diff options
Diffstat (limited to 'tests/untried/neg')
1970 files changed, 25934 insertions, 0 deletions
diff --git a/tests/untried/neg/abstract-class-2.check b/tests/untried/neg/abstract-class-2.check new file mode 100644 index 000000000..ca79dd829 --- /dev/null +++ b/tests/untried/neg/abstract-class-2.check @@ -0,0 +1,5 @@ +abstract-class-2.scala:11: error: object creation impossible, since method f in trait S2 of type (x: P2.this.p.S1)Int is not defined +(Note that P.this.p.S1 does not match P2.this.S1: their prefixes (i.e. enclosing instances) differ) + object O2 extends S2 { + ^ +one error found diff --git a/tests/untried/neg/abstract-class-2.scala b/tests/untried/neg/abstract-class-2.scala new file mode 100644 index 000000000..19f74f3da --- /dev/null +++ b/tests/untried/neg/abstract-class-2.scala @@ -0,0 +1,14 @@ +class P { + trait S1 + val p = new P + + trait S2 { + def f(x: p.S1): Int + } +} + +class P2 extends P { + object O2 extends S2 { + def f(x: S1) = 5 + } +} diff --git a/tests/untried/neg/abstract-class-error.check b/tests/untried/neg/abstract-class-error.check new file mode 100644 index 000000000..87d148ecc --- /dev/null +++ b/tests/untried/neg/abstract-class-error.check @@ -0,0 +1,5 @@ +S.scala:1: error: class S needs to be abstract, since method g in class J of type (y: Int, z: java.util.List)Int is not defined +(Note that java.util.List does not match java.util.List[String]. To implement a raw type, use java.util.List[_]) +class S extends J { + ^ +one error found diff --git a/tests/untried/neg/abstract-class-error/J.java b/tests/untried/neg/abstract-class-error/J.java new file mode 100644 index 000000000..5877f5cc5 --- /dev/null +++ b/tests/untried/neg/abstract-class-error/J.java @@ -0,0 +1,4 @@ +public abstract class J { + public abstract int f(); + public abstract int g(int y, java.util.List z); +}
\ No newline at end of file diff --git a/tests/untried/neg/abstract-class-error/S.scala b/tests/untried/neg/abstract-class-error/S.scala new file mode 100644 index 000000000..67f6d8593 --- /dev/null +++ b/tests/untried/neg/abstract-class-error/S.scala @@ -0,0 +1,4 @@ +class S extends J { + def f() = 55 + def g(y: Int, z: java.util.List[String]) = 11 +} diff --git a/tests/untried/neg/abstract-concrete-methods.check b/tests/untried/neg/abstract-concrete-methods.check new file mode 100644 index 000000000..e128f77e2 --- /dev/null +++ b/tests/untried/neg/abstract-concrete-methods.check @@ -0,0 +1,5 @@ +abstract-concrete-methods.scala:7: error: class Outer2 needs to be abstract, since method score in trait Outer of type (i: Outer2#Inner)Double is not defined +(Note that This#Inner does not match Outer2#Inner: class Inner in class Outer2 is a subclass of trait Inner in trait Outer, but method parameter types must match exactly.) +class Outer2 extends Outer[Outer2] { + ^ +one error found diff --git a/tests/untried/neg/abstract-concrete-methods.scala b/tests/untried/neg/abstract-concrete-methods.scala new file mode 100644 index 000000000..7f1aea0db --- /dev/null +++ b/tests/untried/neg/abstract-concrete-methods.scala @@ -0,0 +1,10 @@ +trait Outer[This <: Outer[This]] { + self: This => + + trait Inner + def score(i: This#Inner): Double +} +class Outer2 extends Outer[Outer2] { + class Inner extends super.Inner + def score(i: Outer2#Inner) = 0.0 +} diff --git a/tests/untried/neg/abstract-explaintypes.check b/tests/untried/neg/abstract-explaintypes.check new file mode 100644 index 000000000..e303b45a3 --- /dev/null +++ b/tests/untried/neg/abstract-explaintypes.check @@ -0,0 +1,15 @@ +abstract-explaintypes.scala:6: error: type mismatch; + found : A + required: A.this.T + def foo2: T = bar().baz(); + ^ +A <: A.this.T? +false +abstract-explaintypes.scala:9: error: type mismatch; + found : A + required: A.this.T + def foo5: T = baz().baz(); + ^ +A <: A.this.T? +false +two errors found diff --git a/tests/untried/neg/abstract-explaintypes.flags b/tests/untried/neg/abstract-explaintypes.flags new file mode 100644 index 000000000..b36707c7c --- /dev/null +++ b/tests/untried/neg/abstract-explaintypes.flags @@ -0,0 +1 @@ +-explaintypes diff --git a/tests/untried/neg/abstract-explaintypes.scala b/tests/untried/neg/abstract-explaintypes.scala new file mode 100644 index 000000000..f8ecae16f --- /dev/null +++ b/tests/untried/neg/abstract-explaintypes.scala @@ -0,0 +1,11 @@ +trait A { + type T <: A; + def baz(): A; + def bar(): T; + def foo1: A = bar().bar(); + def foo2: T = bar().baz(); + def foo3 = bar().baz(); + def foo4: A = baz().bar(); + def foo5: T = baz().baz(); + def foo6 = baz().baz(); +} diff --git a/tests/untried/neg/abstract-inaccessible.check b/tests/untried/neg/abstract-inaccessible.check new file mode 100644 index 000000000..d56f5691b --- /dev/null +++ b/tests/untried/neg/abstract-inaccessible.check @@ -0,0 +1,15 @@ +abstract-inaccessible.scala:5: warning: method implementMe in trait YourTrait references private[foo] trait Bippy. +Classes which cannot access Bippy may be unable to provide a concrete implementation of implementMe. + def implementMe(f: Int => (String, Bippy)): Unit + ^ +abstract-inaccessible.scala:6: warning: method overrideMe in trait YourTrait references private[foo] trait Bippy. +Classes which cannot access Bippy may be unable to override overrideMe. + def overrideMe[T <: Bippy](x: T): T = x + ^ +abstract-inaccessible.scala:7: warning: method overrideMeAlso in trait YourTrait references private[foo] trait Bippy. +Classes which cannot access Bippy may be unable to override overrideMeAlso. + def overrideMeAlso(x: Map[Int, Set[Bippy]]) = 5 + ^ +error: No warnings can be incurred under -Xfatal-warnings. +three warnings found +one error found diff --git a/tests/untried/neg/abstract-inaccessible.flags b/tests/untried/neg/abstract-inaccessible.flags new file mode 100644 index 000000000..6c1dd108a --- /dev/null +++ b/tests/untried/neg/abstract-inaccessible.flags @@ -0,0 +1 @@ +-Xfatal-warnings -Xlint
\ No newline at end of file diff --git a/tests/untried/neg/abstract-inaccessible.scala b/tests/untried/neg/abstract-inaccessible.scala new file mode 100644 index 000000000..3c80f3052 --- /dev/null +++ b/tests/untried/neg/abstract-inaccessible.scala @@ -0,0 +1,9 @@ +package foo { + private[foo] trait Bippy { } + + trait YourTrait { + def implementMe(f: Int => (String, Bippy)): Unit + def overrideMe[T <: Bippy](x: T): T = x + def overrideMeAlso(x: Map[Int, Set[Bippy]]) = 5 + } +} diff --git a/tests/untried/neg/abstract-report.check b/tests/untried/neg/abstract-report.check new file mode 100644 index 000000000..1ffeac060 --- /dev/null +++ b/tests/untried/neg/abstract-report.check @@ -0,0 +1,24 @@ +abstract-report.scala:1: error: class Unimplemented needs to be abstract, since: +it has 12 unimplemented members. +/** As seen from class Unimplemented, the missing signatures are as follows. + * For convenience, these are usable as stub implementations. + */ + // Members declared in scala.collection.GenTraversableOnce + def isTraversableAgain: Boolean = ??? + def toIterator: Iterator[String] = ??? + def toStream: Stream[String] = ??? + + // Members declared in scala.collection.TraversableOnce + def copyToArray[B >: String](xs: Array[B],start: Int,len: Int): Unit = ??? + def exists(p: String => Boolean): Boolean = ??? + def find(p: String => Boolean): Option[String] = ??? + def forall(p: String => Boolean): Boolean = ??? + def foreach[U](f: String => U): Unit = ??? + def hasDefiniteSize: Boolean = ??? + def isEmpty: Boolean = ??? + def seq: scala.collection.TraversableOnce[String] = ??? + def toTraversable: Traversable[String] = ??? + +class Unimplemented extends TraversableOnce[String] { } + ^ +one error found diff --git a/tests/untried/neg/abstract-report.scala b/tests/untried/neg/abstract-report.scala new file mode 100644 index 000000000..f9145a6f0 --- /dev/null +++ b/tests/untried/neg/abstract-report.scala @@ -0,0 +1 @@ +class Unimplemented extends TraversableOnce[String] { } diff --git a/tests/untried/neg/abstract-report2.check b/tests/untried/neg/abstract-report2.check new file mode 100644 index 000000000..9be3d822f --- /dev/null +++ b/tests/untried/neg/abstract-report2.check @@ -0,0 +1,103 @@ +abstract-report2.scala:3: error: class Foo needs to be abstract, since: +it has 13 unimplemented members. +/** As seen from class Foo, the missing signatures are as follows. + * For convenience, these are usable as stub implementations. + */ + def add(x$1: Int): Boolean = ??? + def addAll(x$1: java.util.Collection[_ <: Int]): Boolean = ??? + def clear(): Unit = ??? + def contains(x$1: Any): Boolean = ??? + def containsAll(x$1: java.util.Collection[_]): Boolean = ??? + def isEmpty(): Boolean = ??? + def iterator(): java.util.Iterator[Int] = ??? + def remove(x$1: Any): Boolean = ??? + def removeAll(x$1: java.util.Collection[_]): Boolean = ??? + def retainAll(x$1: java.util.Collection[_]): Boolean = ??? + def size(): Int = ??? + def toArray[T](x$1: Array[T with Object]): Array[T with Object] = ??? + def toArray(): Array[Object] = ??? + +class Foo extends Collection[Int] + ^ +abstract-report2.scala:5: error: class Bar needs to be abstract, since: +it has 13 unimplemented members. +/** As seen from class Bar, the missing signatures are as follows. + * For convenience, these are usable as stub implementations. + */ + def add(x$1: List[_ <: String]): Boolean = ??? + def addAll(x$1: java.util.Collection[_ <: List[_ <: String]]): Boolean = ??? + def clear(): Unit = ??? + def contains(x$1: Any): Boolean = ??? + def containsAll(x$1: java.util.Collection[_]): Boolean = ??? + def isEmpty(): Boolean = ??? + def iterator(): java.util.Iterator[List[_ <: String]] = ??? + def remove(x$1: Any): Boolean = ??? + def removeAll(x$1: java.util.Collection[_]): Boolean = ??? + def retainAll(x$1: java.util.Collection[_]): Boolean = ??? + def size(): Int = ??? + def toArray[T](x$1: Array[T with Object]): Array[T with Object] = ??? + def toArray(): Array[Object] = ??? + +class Bar extends Collection[List[_ <: String]] + ^ +abstract-report2.scala:7: error: class Baz needs to be abstract, since: +it has 13 unimplemented members. +/** As seen from class Baz, the missing signatures are as follows. + * For convenience, these are usable as stub implementations. + */ + def add(x$1: T): Boolean = ??? + def addAll(x$1: java.util.Collection[_ <: T]): Boolean = ??? + def clear(): Unit = ??? + def contains(x$1: Any): Boolean = ??? + def containsAll(x$1: java.util.Collection[_]): Boolean = ??? + def isEmpty(): Boolean = ??? + def iterator(): java.util.Iterator[T] = ??? + def remove(x$1: Any): Boolean = ??? + def removeAll(x$1: java.util.Collection[_]): Boolean = ??? + def retainAll(x$1: java.util.Collection[_]): Boolean = ??? + def size(): Int = ??? + def toArray[T](x$1: Array[T with Object]): Array[T with Object] = ??? + def toArray(): Array[Object] = ??? + +class Baz[T] extends Collection[T] + ^ +abstract-report2.scala:15: error: class Dingus needs to be abstract, since: +it has 24 unimplemented members. +/** As seen from class Dingus, the missing signatures are as follows. + * For convenience, these are usable as stub implementations. + */ + // Members declared in java.util.Collection + def add(x$1: String): Boolean = ??? + def addAll(x$1: java.util.Collection[_ <: String]): Boolean = ??? + def clear(): Unit = ??? + def contains(x$1: Any): Boolean = ??? + def containsAll(x$1: java.util.Collection[_]): Boolean = ??? + def iterator(): java.util.Iterator[String] = ??? + def remove(x$1: Any): Boolean = ??? + def removeAll(x$1: java.util.Collection[_]): Boolean = ??? + def retainAll(x$1: java.util.Collection[_]): Boolean = ??? + def toArray[T](x$1: Array[T with Object]): Array[T with Object] = ??? + def toArray(): Array[Object] = ??? + + // Members declared in scala.collection.GenTraversableOnce + def isTraversableAgain: Boolean = ??? + def toIterator: Iterator[(Set[Int], String)] = ??? + def toStream: Stream[(Set[Int], String)] = ??? + + // Members declared in scala.collection.TraversableOnce + def copyToArray[B >: (Set[Int], String)](xs: Array[B],start: Int,len: Int): Unit = ??? + def exists(p: ((Set[Int], String)) => Boolean): Boolean = ??? + def find(p: ((Set[Int], String)) => Boolean): Option[(Set[Int], String)] = ??? + def forall(p: ((Set[Int], String)) => Boolean): Boolean = ??? + def foreach[U](f: ((Set[Int], String)) => U): Unit = ??? + def hasDefiniteSize: Boolean = ??? + def isEmpty: Boolean = ??? + def seq: scala.collection.TraversableOnce[(Set[Int], String)] = ??? + def toTraversable: Traversable[(Set[Int], String)] = ??? + + // Members declared in Xyz + def foo(x: List[Int]): Boolean = ??? + +class Dingus extends Bippy[String, Set[Int], List[Int]] + ^ +four errors found diff --git a/tests/untried/neg/abstract-report2.scala b/tests/untried/neg/abstract-report2.scala new file mode 100644 index 000000000..3262fee7f --- /dev/null +++ b/tests/untried/neg/abstract-report2.scala @@ -0,0 +1,15 @@ +import java.util.Collection + +class Foo extends Collection[Int] + +class Bar extends Collection[List[_ <: String]] + +class Baz[T] extends Collection[T] + +trait Xyz[T] { + def foo(x: T): Boolean +} + +trait Bippy[T1, T2, T3] extends Collection[T1] with TraversableOnce[(T2, String)] with Xyz[T3] + +class Dingus extends Bippy[String, Set[Int], List[Int]] diff --git a/tests/untried/neg/abstract-vars.check b/tests/untried/neg/abstract-vars.check new file mode 100644 index 000000000..8aa47745f --- /dev/null +++ b/tests/untried/neg/abstract-vars.check @@ -0,0 +1,21 @@ +abstract-vars.scala:5: error: class Fail1 needs to be abstract, since variable x is not defined +(Note that variables need to be initialized to be defined) +class Fail1 extends A { + ^ +abstract-vars.scala:9: error: class Fail2 needs to be abstract, since variable x in class A of type Int is not defined +(Note that variables need to be initialized to be defined) +class Fail2 extends A { } + ^ +abstract-vars.scala:11: error: class Fail3 needs to be abstract, since variable x in class A of type Int is not defined +(Note that an abstract var requires a setter in addition to the getter) +class Fail3 extends A { + ^ +abstract-vars.scala:14: error: class Fail4 needs to be abstract, since variable x in class A of type Int is not defined +(Note that an abstract var requires a setter in addition to the getter) +class Fail4 extends A { + ^ +abstract-vars.scala:18: error: class Fail5 needs to be abstract, since variable x in class A of type Int is not defined +(Note that an abstract var requires a getter in addition to the setter) +class Fail5 extends A { + ^ +5 errors found diff --git a/tests/untried/neg/abstract-vars.scala b/tests/untried/neg/abstract-vars.scala new file mode 100644 index 000000000..df6109d3a --- /dev/null +++ b/tests/untried/neg/abstract-vars.scala @@ -0,0 +1,29 @@ +abstract class A { + var x: Int +} + +class Fail1 extends A { + var x: Int +} + +class Fail2 extends A { } + +class Fail3 extends A { + val x: Int = 5 +} +class Fail4 extends A { + def x: Int = 5 +} + +class Fail5 extends A { + def x_=(y: Int) = () +} + +class Success1 extends A { + val x: Int = 5 + def x_=(y: Int) = () +} + +class Success2 extends A { + var x: Int = 5 +} diff --git a/tests/untried/neg/abstract.check b/tests/untried/neg/abstract.check new file mode 100644 index 000000000..811708ccf --- /dev/null +++ b/tests/untried/neg/abstract.check @@ -0,0 +1,11 @@ +abstract.scala:6: error: type mismatch; + found : A + required: A.this.T + def foo2: T = bar().baz(); + ^ +abstract.scala:9: error: type mismatch; + found : A + required: A.this.T + def foo5: T = baz().baz(); + ^ +two errors found diff --git a/tests/untried/neg/abstract.scala b/tests/untried/neg/abstract.scala new file mode 100644 index 000000000..f8ecae16f --- /dev/null +++ b/tests/untried/neg/abstract.scala @@ -0,0 +1,11 @@ +trait A { + type T <: A; + def baz(): A; + def bar(): T; + def foo1: A = bar().bar(); + def foo2: T = bar().baz(); + def foo3 = bar().baz(); + def foo4: A = baz().bar(); + def foo5: T = baz().baz(); + def foo6 = baz().baz(); +} diff --git a/tests/untried/neg/abstraction-from-volatile-type-error.check b/tests/untried/neg/abstraction-from-volatile-type-error.check new file mode 100644 index 000000000..34ba0551a --- /dev/null +++ b/tests/untried/neg/abstraction-from-volatile-type-error.check @@ -0,0 +1,4 @@ +abstraction-from-volatile-type-error.scala:9: error: illegal abstraction from value with volatile type a.Tv + val tv : a.Tv + ^ +one error found diff --git a/tests/untried/neg/abstraction-from-volatile-type-error.scala b/tests/untried/neg/abstraction-from-volatile-type-error.scala new file mode 100644 index 000000000..5afcb3ec7 --- /dev/null +++ b/tests/untried/neg/abstraction-from-volatile-type-error.scala @@ -0,0 +1,11 @@ +class A { + type T + type Tv = AnyRef with T +} + +object Test { + type B = a.type forSome { + val a : A + val tv : a.Tv + } +} diff --git a/tests/untried/neg/accesses.check b/tests/untried/neg/accesses.check new file mode 100644 index 000000000..db58af12c --- /dev/null +++ b/tests/untried/neg/accesses.check @@ -0,0 +1,17 @@ +accesses.scala:23: error: overriding method f2 in class A of type ()Unit; + method f2 has weaker access privileges; it should not be private + private def f2(): Unit = () + ^ +accesses.scala:24: error: overriding method f3 in class A of type ()Unit; + method f3 has weaker access privileges; it should be at least protected + private[p2] def f3(): Unit = () + ^ +accesses.scala:25: error: overriding method f4 in class A of type ()Unit; + method f4 has weaker access privileges; it should be at least private[p1] + private[p2] def f4(): Unit + ^ +accesses.scala:26: error: overriding method f5 in class A of type ()Unit; + method f5 has weaker access privileges; it should be at least protected[p1] + protected[p2] def f5(): Unit + ^ +four errors found diff --git a/tests/untried/neg/accesses.scala b/tests/untried/neg/accesses.scala new file mode 100644 index 000000000..b1df6c0e6 --- /dev/null +++ b/tests/untried/neg/accesses.scala @@ -0,0 +1,27 @@ +package test.p1.p2 + +abstract class A { + private[p2] def f2(): Unit + protected def f3(): Unit + private[p1] def f4(): Unit + protected[p1] def f5(): Unit +} + +abstract class OK1 extends A { + private[p1] def f2(): Unit + protected[p2] def f3(): Unit + private[test] def f4(): Unit + protected[test] def f5(): Unit +} +abstract class OK2 extends A { + protected[p1] def f2(): Unit + def f3(): Unit + protected[p1] def f4(): Unit + def f5(): Unit +} +abstract class Err1 extends A { + private def f2(): Unit = () + private[p2] def f3(): Unit = () + private[p2] def f4(): Unit + protected[p2] def f5(): Unit +} diff --git a/tests/untried/neg/accesses2.check b/tests/untried/neg/accesses2.check new file mode 100644 index 000000000..66cf9a116 --- /dev/null +++ b/tests/untried/neg/accesses2.check @@ -0,0 +1,12 @@ +accesses2.scala:6: error: overriding method f2 in class A of type ()Int; + method f2 has weaker access privileges; it should not be private + private def f2(): Int = 1 + ^ +accesses2.scala:5: error: class B1 needs to be abstract, since method f2 in class A of type ()Int is not defined + class B1 extends A { + ^ +accesses2.scala:9: error: overriding method f2 in class A of type ()Int; + method f2 has weaker access privileges; it should not be private + private def f2(): Int = 1 + ^ +three errors found diff --git a/tests/untried/neg/accesses2.scala b/tests/untried/neg/accesses2.scala new file mode 100644 index 000000000..c7640f84b --- /dev/null +++ b/tests/untried/neg/accesses2.scala @@ -0,0 +1,11 @@ +package p2 { + abstract class A { + private[p2] def f2(): Int + } + class B1 extends A { + private def f2(): Int = 1 + } + abstract class B2 extends A { + private def f2(): Int = 1 + } +} diff --git a/tests/untried/neg/ambiguous-float-dots2.check b/tests/untried/neg/ambiguous-float-dots2.check new file mode 100644 index 000000000..40c9b4186 --- /dev/null +++ b/tests/untried/neg/ambiguous-float-dots2.check @@ -0,0 +1,7 @@ +ambiguous-float-dots2.scala:3: error: identifier expected but '}' found. +} +^ +ambiguous-float-dots2.scala:11: error: ';' expected but integer literal found. + 1. + 2 + ^ +two errors found diff --git a/tests/untried/neg/ambiguous-float-dots2.scala b/tests/untried/neg/ambiguous-float-dots2.scala new file mode 100644 index 000000000..b1615c927 --- /dev/null +++ b/tests/untried/neg/ambiguous-float-dots2.scala @@ -0,0 +1,13 @@ +class A { + val x0 = 5. +} + +class B { + val x1 = 5.f +} + +class D { + 1.+(2) + 1. + 2 + 1 + 2 +} diff --git a/tests/untried/neg/annot-nonconst.check b/tests/untried/neg/annot-nonconst.check new file mode 100644 index 000000000..5b3da7a13 --- /dev/null +++ b/tests/untried/neg/annot-nonconst.check @@ -0,0 +1,18 @@ +annot-nonconst.scala:1: warning: Implementation restriction: subclassing Classfile does not +make your annotation visible at runtime. If that is what +you want, you must write the annotation class in Java. +class Length(value: Int) extends annotation.ClassfileAnnotation + ^ +annot-nonconst.scala:2: warning: Implementation restriction: subclassing Classfile does not +make your annotation visible at runtime. If that is what +you want, you must write the annotation class in Java. +class Ann2(value: String) extends annotation.ClassfileAnnotation + ^ +annot-nonconst.scala:6: error: annotation argument needs to be a constant; found: Test.this.n + @Length(n) def foo = "foo" + ^ +annot-nonconst.scala:7: error: annotation argument cannot be null + @Ann2(null) def bar = "bar" + ^ +two warnings found +two errors found diff --git a/tests/untried/neg/annot-nonconst.scala b/tests/untried/neg/annot-nonconst.scala new file mode 100644 index 000000000..1b5856f8b --- /dev/null +++ b/tests/untried/neg/annot-nonconst.scala @@ -0,0 +1,8 @@ +class Length(value: Int) extends annotation.ClassfileAnnotation +class Ann2(value: String) extends annotation.ClassfileAnnotation + +object Test { + def n = 15 + @Length(n) def foo = "foo" + @Ann2(null) def bar = "bar" +} diff --git a/tests/untried/neg/any-vs-anyref.check b/tests/untried/neg/any-vs-anyref.check new file mode 100644 index 000000000..7378f0495 --- /dev/null +++ b/tests/untried/neg/any-vs-anyref.check @@ -0,0 +1,80 @@ +any-vs-anyref.scala:6: error: type mismatch; + found : a.type (with underlying type A) + required: AnyRef +Note that A is bounded only by Equals, which means AnyRef is not a known parent. +Such types can participate in value classes, but instances +cannot appear in singleton types or in reference comparisons. + def foo1[A <: Product](a: A) = { type X = a.type } + ^ +any-vs-anyref.scala:7: error: type mismatch; + found : a.type (with underlying type A) + required: AnyRef +Note that A is bounded only by Product, Quux, which means AnyRef is not a known parent. +Such types can participate in value classes, but instances +cannot appear in singleton types or in reference comparisons. + def foo2[A <: Product with Quux](a: A) = { type X = a.type } + ^ +any-vs-anyref.scala:8: error: type mismatch; + found : a.type (with underlying type Product) + required: AnyRef +Note that Product extends Any, not AnyRef. +Such types can participate in value classes, but instances +cannot appear in singleton types or in reference comparisons. + def foo3(a: Product) = { type X = a.type } + ^ +any-vs-anyref.scala:9: error: type mismatch; + found : Product with Quux + required: AnyRef +Note that the parents of this type (Product, Quux) extend Any, not AnyRef. +Such types can participate in value classes, but instances +cannot appear in singleton types or in reference comparisons. + def foo4(a: Product with Quux) = { type X = a.type } + ^ +any-vs-anyref.scala:10: error: value eq is not a member of Quux with Product +Note that the parents of this type (Quux, Product) extend Any, not AnyRef. +Such types can participate in value classes, but instances +cannot appear in singleton types or in reference comparisons. + def foo5(x: Quux with Product) = (x eq "abc") && ("abc" eq x) + ^ +any-vs-anyref.scala:10: error: type mismatch; + found : Quux with Product + required: AnyRef +Note that the parents of this type (Quux, Product) extend Any, not AnyRef. +Such types can participate in value classes, but instances +cannot appear in singleton types or in reference comparisons. + def foo5(x: Quux with Product) = (x eq "abc") && ("abc" eq x) + ^ +any-vs-anyref.scala:11: error: value eq is not a member of Quux with Product{def f: Int} +Note that the parents of this type (Quux, Product) extend Any, not AnyRef. +Such types can participate in value classes, but instances +cannot appear in singleton types or in reference comparisons. + def foo6(x: Quux with Product { def f: Int }) = (x eq "abc") && ("abc" eq x) + ^ +any-vs-anyref.scala:11: error: type mismatch; + found : Quux with Product{def f: Int} + required: AnyRef +Note that the parents of this type (Quux, Product) extend Any, not AnyRef. +Such types can participate in value classes, but instances +cannot appear in singleton types or in reference comparisons. + def foo6(x: Quux with Product { def f: Int }) = (x eq "abc") && ("abc" eq x) + ^ +any-vs-anyref.scala:12: error: type mismatch; + found : Quux with Product{def eq(other: String): Boolean} + required: AnyRef +Note that the parents of this type (Quux, Product) extend Any, not AnyRef. +Such types can participate in value classes, but instances +cannot appear in singleton types or in reference comparisons. + def foo7(x: Quux with Product { def eq(other: String): Boolean }) = (x eq "abc") && ("abc" eq x) + ^ +any-vs-anyref.scala:22: error: value eq is not a member of Bippy +Note that Bippy extends Any, not AnyRef. +Such types can participate in value classes, but instances +cannot appear in singleton types or in reference comparisons. + def bad1(x: Bippy, y: Bippy) = x eq y + ^ +any-vs-anyref.scala:27: error: type mismatch; + found : Quux{def g(x: String): String} + required: Quux{def g(x: Int): Int} + f(new Quux { def g(x: String) = x }) + ^ +11 errors found diff --git a/tests/untried/neg/any-vs-anyref.scala b/tests/untried/neg/any-vs-anyref.scala new file mode 100644 index 000000000..8d237fbae --- /dev/null +++ b/tests/untried/neg/any-vs-anyref.scala @@ -0,0 +1,29 @@ +trait Quux extends Any +trait QuuxRef extends AnyRef +final class Bippy(val x: Any) extends AnyVal with Quux + +object Foo { + def foo1[A <: Product](a: A) = { type X = a.type } + def foo2[A <: Product with Quux](a: A) = { type X = a.type } + def foo3(a: Product) = { type X = a.type } + def foo4(a: Product with Quux) = { type X = a.type } + def foo5(x: Quux with Product) = (x eq "abc") && ("abc" eq x) + def foo6(x: Quux with Product { def f: Int }) = (x eq "abc") && ("abc" eq x) + def foo7(x: Quux with Product { def eq(other: String): Boolean }) = (x eq "abc") && ("abc" eq x) + + def ok1[A <: QuuxRef](a: A) = { type X = a.type } + def ok2[A <: Product with QuuxRef](a: A) = { type X = a.type } + def ok3(a: QuuxRef) = { type X = a.type } + def ok4(a: Product with QuuxRef) = { type X = a.type } + def ok5(x: QuuxRef with Product) = (x eq "abc") && ("abc" eq x) + def ok6(x: QuuxRef with Product { def f: Int }) = (x eq "abc") && ("abc" eq x) + def ok7(x: QuuxRef { def eq(other: String): Boolean }) = (x eq "abc") && ("abc" eq x) + + def bad1(x: Bippy, y: Bippy) = x eq y +} + +object Bar { + def f(x: Quux { def g(x: Int): Int }): Int = x g 5 + f(new Quux { def g(x: String) = x }) + f(new Quux { def g(x: Int) = x }) +} diff --git a/tests/untried/neg/anytrait.check b/tests/untried/neg/anytrait.check new file mode 100644 index 000000000..fabe74d37 --- /dev/null +++ b/tests/untried/neg/anytrait.check @@ -0,0 +1,7 @@ +anytrait.scala:3: error: field definition is not allowed in universal trait extending from class Any + var x = 1 + ^ +anytrait.scala:5: error: this statement is not allowed in universal trait extending from class Any + { x += 1 } + ^ +two errors found diff --git a/tests/untried/neg/anytrait.scala b/tests/untried/neg/anytrait.scala new file mode 100644 index 000000000..e76164f63 --- /dev/null +++ b/tests/untried/neg/anytrait.scala @@ -0,0 +1,10 @@ +trait T extends Any { + + var x = 1 + + { x += 1 } + + type T = Int + + val y: T +} diff --git a/tests/untried/neg/anyval-anyref-parent.check b/tests/untried/neg/anyval-anyref-parent.check new file mode 100644 index 000000000..8a00fb394 --- /dev/null +++ b/tests/untried/neg/anyval-anyref-parent.check @@ -0,0 +1,23 @@ +anyval-anyref-parent.scala:2: error: only classes (not traits) are allowed to extend AnyVal +trait Foo2 extends AnyVal // fail + ^ +anyval-anyref-parent.scala:5: error: Any does not have a constructor +class Bar1 extends Any // fail + ^ +anyval-anyref-parent.scala:6: error: value class parameter must be a val and not be private[this] +class Bar2(x: Int) extends AnyVal // fail + ^ +anyval-anyref-parent.scala:10: error: illegal inheritance; superclass Any + is not a subclass of the superclass Object + of the mixin trait Immutable +trait Foo4 extends Any with Immutable // fail + ^ +anyval-anyref-parent.scala:11: error: illegal inheritance; superclass AnyVal + is not a subclass of the superclass Object + of the mixin trait Immutable +trait Foo5 extends AnyVal with Immutable // fail + ^ +anyval-anyref-parent.scala:11: error: only classes (not traits) are allowed to extend AnyVal +trait Foo5 extends AnyVal with Immutable // fail + ^ +6 errors found diff --git a/tests/untried/neg/anyval-anyref-parent.scala b/tests/untried/neg/anyval-anyref-parent.scala new file mode 100644 index 000000000..f927992e5 --- /dev/null +++ b/tests/untried/neg/anyval-anyref-parent.scala @@ -0,0 +1,12 @@ +trait Foo1 extends Any +trait Foo2 extends AnyVal // fail +trait Foo3 extends AnyRef + +class Bar1 extends Any // fail +class Bar2(x: Int) extends AnyVal // fail +class Bar3(val x: Int) extends AnyVal // fail +class Bar4 extends AnyRef + +trait Foo4 extends Any with Immutable // fail +trait Foo5 extends AnyVal with Immutable // fail +trait Foo6 extends AnyRef with Immutable diff --git a/tests/untried/neg/applydynamic_sip.check b/tests/untried/neg/applydynamic_sip.check new file mode 100644 index 000000000..2cb2e7f09 --- /dev/null +++ b/tests/untried/neg/applydynamic_sip.check @@ -0,0 +1,73 @@ +applydynamic_sip.scala:7: error: applyDynamic does not support passing a vararg parameter + qual.sel(a, a2: _*) + ^ +applydynamic_sip.scala:8: error: applyDynamicNamed does not support passing a vararg parameter + qual.sel(arg = a, a2: _*) + ^ +applydynamic_sip.scala:8: error: not found: value arg + qual.sel(arg = a, a2: _*) + ^ +applydynamic_sip.scala:9: error: applyDynamicNamed does not support passing a vararg parameter + qual.sel(arg, arg2 = "a2", a2: _*) + ^ +applydynamic_sip.scala:9: error: not found: value arg + qual.sel(arg, arg2 = "a2", a2: _*) + ^ +applydynamic_sip.scala:9: error: not found: value arg2 + qual.sel(arg, arg2 = "a2", a2: _*) + ^ +applydynamic_sip.scala:18: error: type mismatch; + found : String("sel") + required: Int +error after rewriting to Test.this.bad1.selectDynamic("sel") +possible cause: maybe a wrong Dynamic method signature? + bad1.sel + ^ +applydynamic_sip.scala:19: error: type mismatch; + found : String("sel") + required: Int +error after rewriting to Test.this.bad1.applyDynamic("sel") +possible cause: maybe a wrong Dynamic method signature? + bad1.sel(1) + ^ +applydynamic_sip.scala:20: error: type mismatch; + found : String("sel") + required: Int +error after rewriting to Test.this.bad1.applyDynamicNamed("sel") +possible cause: maybe a wrong Dynamic method signature? + bad1.sel(a = 1) + ^ +applydynamic_sip.scala:20: error: reassignment to val + bad1.sel(a = 1) + ^ +applydynamic_sip.scala:21: error: type mismatch; + found : String("sel") + required: Int +error after rewriting to Test.this.bad1.updateDynamic("sel") +possible cause: maybe a wrong Dynamic method signature? + bad1.sel = 1 + ^ +applydynamic_sip.scala:29: error: Int does not take parameters +error after rewriting to Test.this.bad2.selectDynamic("sel") +possible cause: maybe a wrong Dynamic method signature? + bad2.sel + ^ +applydynamic_sip.scala:30: error: Int does not take parameters +error after rewriting to Test.this.bad2.applyDynamic("sel") +possible cause: maybe a wrong Dynamic method signature? + bad2.sel(1) + ^ +applydynamic_sip.scala:31: error: Int does not take parameters +error after rewriting to Test.this.bad2.applyDynamicNamed("sel") +possible cause: maybe a wrong Dynamic method signature? + bad2.sel(a = 1) + ^ +applydynamic_sip.scala:31: error: reassignment to val + bad2.sel(a = 1) + ^ +applydynamic_sip.scala:32: error: Int does not take parameters +error after rewriting to Test.this.bad2.updateDynamic("sel") +possible cause: maybe a wrong Dynamic method signature? + bad2.sel = 1 + ^ +16 errors found diff --git a/tests/untried/neg/applydynamic_sip.flags b/tests/untried/neg/applydynamic_sip.flags new file mode 100644 index 000000000..1141f9750 --- /dev/null +++ b/tests/untried/neg/applydynamic_sip.flags @@ -0,0 +1 @@ +-language:dynamics diff --git a/tests/untried/neg/applydynamic_sip.scala b/tests/untried/neg/applydynamic_sip.scala new file mode 100644 index 000000000..ee4432ebe --- /dev/null +++ b/tests/untried/neg/applydynamic_sip.scala @@ -0,0 +1,33 @@ +object Test extends App { + val qual: Dynamic = ??? + val expr = "expr" + val a = "a" + val a2 = "a2" + + qual.sel(a, a2: _*) + qual.sel(arg = a, a2: _*) + qual.sel(arg, arg2 = "a2", a2: _*) + + val bad1 = new Dynamic { + def selectDynamic(n: Int) = n + def applyDynamic(n: Int) = n + def applyDynamicNamed(n: Int) = n + def updateDynamic(n: Int) = n + + } + bad1.sel + bad1.sel(1) + bad1.sel(a = 1) + bad1.sel = 1 + + val bad2 = new Dynamic { + def selectDynamic = 1 + def applyDynamic = 1 + def applyDynamicNamed = 1 + def updateDynamic = 1 + } + bad2.sel + bad2.sel(1) + bad2.sel(a = 1) + bad2.sel = 1 +} diff --git a/tests/untried/neg/bad-advice.check b/tests/untried/neg/bad-advice.check new file mode 100644 index 000000000..03b3e4f61 --- /dev/null +++ b/tests/untried/neg/bad-advice.check @@ -0,0 +1,6 @@ +bad-advice.scala:4: error: pattern type is incompatible with expected type; + found : Bip.type + required: Int + case Bip => true + ^ +one error found diff --git a/tests/untried/neg/bad-advice.flags b/tests/untried/neg/bad-advice.flags new file mode 100644 index 000000000..e8fb65d50 --- /dev/null +++ b/tests/untried/neg/bad-advice.flags @@ -0,0 +1 @@ +-Xfatal-warnings
\ No newline at end of file diff --git a/tests/untried/neg/bad-advice.scala b/tests/untried/neg/bad-advice.scala new file mode 100644 index 000000000..b1955330d --- /dev/null +++ b/tests/untried/neg/bad-advice.scala @@ -0,0 +1,6 @@ +object Bip +object Test { + def f(x: Int) = x match { + case Bip => true + } +} diff --git a/tests/untried/neg/badtok-1.check b/tests/untried/neg/badtok-1.check new file mode 100644 index 000000000..b05bc6016 --- /dev/null +++ b/tests/untried/neg/badtok-1.check @@ -0,0 +1,7 @@ +badtok-1.scala:2: error: unclosed character literal +'42' +^ +badtok-1.scala:2: error: unclosed character literal +'42' + ^ +two errors found diff --git a/tests/untried/neg/badtok-1.scala b/tests/untried/neg/badtok-1.scala new file mode 100644 index 000000000..706e79494 --- /dev/null +++ b/tests/untried/neg/badtok-1.scala @@ -0,0 +1,2 @@ +// bug 989 +'42' diff --git a/tests/untried/neg/badtok-2.check b/tests/untried/neg/badtok-2.check new file mode 100644 index 000000000..e6861c240 --- /dev/null +++ b/tests/untried/neg/badtok-2.check @@ -0,0 +1,4 @@ +badtok-2.scala:3: error: unclosed quoted identifier +`x +^ +one error found diff --git a/tests/untried/neg/badtok-2.scala b/tests/untried/neg/badtok-2.scala new file mode 100644 index 000000000..4d1ba1b2c --- /dev/null +++ b/tests/untried/neg/badtok-2.scala @@ -0,0 +1,3 @@ +//bug 990 +object Test { +`x diff --git a/tests/untried/neg/badtok-3.check b/tests/untried/neg/badtok-3.check new file mode 100644 index 000000000..aee4f6f4d --- /dev/null +++ b/tests/untried/neg/badtok-3.check @@ -0,0 +1,4 @@ +badtok-3.scala:2: error: input ended while parsing XML + <x + ^ +one error found diff --git a/tests/untried/neg/badtok-3.scala b/tests/untried/neg/badtok-3.scala new file mode 100644 index 000000000..49ad3bf9e --- /dev/null +++ b/tests/untried/neg/badtok-3.scala @@ -0,0 +1,2 @@ +object Test { + <x diff --git a/tests/untried/neg/case-collision.check b/tests/untried/neg/case-collision.check new file mode 100644 index 000000000..22cf105a4 --- /dev/null +++ b/tests/untried/neg/case-collision.check @@ -0,0 +1,12 @@ +case-collision.scala:5: warning: Class foo.BIPPY differs only in case from foo.Bippy. Such classes will overwrite one another on case-insensitive filesystems. +class BIPPY + ^ +case-collision.scala:11: warning: Class foo.HyRaX$ differs only in case from foo.Hyrax$. Such classes will overwrite one another on case-insensitive filesystems. +object HyRaX + ^ +case-collision.scala:8: warning: Class foo.DINGO$ differs only in case from foo.Dingo$. Such classes will overwrite one another on case-insensitive filesystems. +object DINGO + ^ +error: No warnings can be incurred under -Xfatal-warnings. +three warnings found +one error found diff --git a/tests/untried/neg/case-collision.flags b/tests/untried/neg/case-collision.flags new file mode 100644 index 000000000..14c1069de --- /dev/null +++ b/tests/untried/neg/case-collision.flags @@ -0,0 +1 @@ +-Ybackend:GenASM -Xfatal-warnings diff --git a/tests/untried/neg/case-collision.scala b/tests/untried/neg/case-collision.scala new file mode 100644 index 000000000..241169a77 --- /dev/null +++ b/tests/untried/neg/case-collision.scala @@ -0,0 +1,11 @@ +package foo + +class Bippy + +class BIPPY + +object Dingo +object DINGO + +case class Hyrax() +object HyRaX diff --git a/tests/untried/neg/case-collision2.check b/tests/untried/neg/case-collision2.check new file mode 100644 index 000000000..b8481f46b --- /dev/null +++ b/tests/untried/neg/case-collision2.check @@ -0,0 +1,12 @@ +case-collision2.scala:5: warning: Class foo.BIPPY differs only in case from foo.Bippy. Such classes will overwrite one another on case-insensitive filesystems. +class BIPPY + ^ +case-collision2.scala:8: warning: Class foo.DINGO$ differs only in case from foo.Dingo$. Such classes will overwrite one another on case-insensitive filesystems. +object DINGO + ^ +case-collision2.scala:11: warning: Class foo.HyRaX$ differs only in case from foo.Hyrax$. Such classes will overwrite one another on case-insensitive filesystems. +object HyRaX + ^ +error: No warnings can be incurred under -Xfatal-warnings. +three warnings found +one error found diff --git a/tests/untried/neg/case-collision2.flags b/tests/untried/neg/case-collision2.flags new file mode 100644 index 000000000..5bfa9da5c --- /dev/null +++ b/tests/untried/neg/case-collision2.flags @@ -0,0 +1 @@ +-Ynooptimize -Ybackend:GenBCode -Xfatal-warnings diff --git a/tests/untried/neg/case-collision2.scala b/tests/untried/neg/case-collision2.scala new file mode 100644 index 000000000..924e33005 --- /dev/null +++ b/tests/untried/neg/case-collision2.scala @@ -0,0 +1,12 @@ +package foo + +class Bippy + +class BIPPY + +object Dingo +object DINGO + +case class Hyrax() +object HyRaX + diff --git a/tests/untried/neg/caseinherit.check b/tests/untried/neg/caseinherit.check new file mode 100644 index 000000000..09327a4ff --- /dev/null +++ b/tests/untried/neg/caseinherit.check @@ -0,0 +1,10 @@ +caseinherit.scala:3: error: case class B has case ancestor foo.A, but case-to-case inheritance is prohibited. To overcome this limitation, use extractors to pattern match on non-leaf nodes. + case class B(y: Int) extends A(y) + ^ +caseinherit.scala:4: error: case object Bippy has case ancestor foo.A, but case-to-case inheritance is prohibited. To overcome this limitation, use extractors to pattern match on non-leaf nodes. + case object Bippy extends A(55) + ^ +caseinherit.scala:11: error: case class Dingus has case ancestor foo.A, but case-to-case inheritance is prohibited. To overcome this limitation, use extractors to pattern match on non-leaf nodes. + case class Dingus(y: Int) extends Innocent + ^ +three errors found diff --git a/tests/untried/neg/caseinherit.scala b/tests/untried/neg/caseinherit.scala new file mode 100644 index 000000000..188b7d14f --- /dev/null +++ b/tests/untried/neg/caseinherit.scala @@ -0,0 +1,13 @@ +package foo { + case class A(x: Int) + case class B(y: Int) extends A(y) + case object Bippy extends A(55) +} +import foo._ + +package bar { + class Blameless(x: Int) + class Innocent extends A(5) + case class Dingus(y: Int) extends Innocent + case object Hungle extends Blameless(5) +} diff --git a/tests/untried/neg/catch-all.check b/tests/untried/neg/catch-all.check new file mode 100644 index 000000000..aaf51480c --- /dev/null +++ b/tests/untried/neg/catch-all.check @@ -0,0 +1,12 @@ +catch-all.scala:2: warning: This catches all Throwables. If this is really intended, use `case _ : Throwable` to clear this warning. + try { "warn" } catch { case _ => } + ^ +catch-all.scala:4: warning: This catches all Throwables. If this is really intended, use `case x : Throwable` to clear this warning. + try { "warn" } catch { case x => } + ^ +catch-all.scala:6: warning: This catches all Throwables. If this is really intended, use `case x : Throwable` to clear this warning. + try { "warn" } catch { case _: RuntimeException => ; case x => } + ^ +error: No warnings can be incurred under -Xfatal-warnings. +three warnings found +one error found diff --git a/tests/untried/neg/catch-all.flags b/tests/untried/neg/catch-all.flags new file mode 100644 index 000000000..85d8eb2ba --- /dev/null +++ b/tests/untried/neg/catch-all.flags @@ -0,0 +1 @@ +-Xfatal-warnings diff --git a/tests/untried/neg/catch-all.scala b/tests/untried/neg/catch-all.scala new file mode 100644 index 000000000..c05be7704 --- /dev/null +++ b/tests/untried/neg/catch-all.scala @@ -0,0 +1,31 @@ +object CatchAll { + try { "warn" } catch { case _ => } + + try { "warn" } catch { case x => } + + try { "warn" } catch { case _: RuntimeException => ; case x => } + + val t = T + + try { "okay" } catch { case T => } + + try { "okay" } catch { case `t` => } + + try { "okay" } catch { case x @ T => } + + try { "okay" } catch { case x @ `t` => } + + try { "okay" } catch { case _: Throwable => } + + try { "okay" } catch { case _: Exception => } + + try { "okay" } catch { case okay: Throwable => } + + try { "okay" } catch { case okay: Exception => } + + try { "okay" } catch { case _ if "".isEmpty => } + + "okay" match { case _ => "" } +} + +object T extends Throwable diff --git a/tests/untried/neg/check-dead.check b/tests/untried/neg/check-dead.check new file mode 100644 index 000000000..2150a942b --- /dev/null +++ b/tests/untried/neg/check-dead.check @@ -0,0 +1,15 @@ +check-dead.scala:7: warning: dead code following this construct + def z1 = y1(throw new Exception) // should warn + ^ +check-dead.scala:10: warning: dead code following this construct + def z2 = y2(throw new Exception) // should warn + ^ +check-dead.scala:29: warning: dead code following this construct + throw new Exception // should warn + ^ +check-dead.scala:33: warning: dead code following this construct + throw new Exception // should warn + ^ +error: No warnings can be incurred under -Xfatal-warnings. +four warnings found +one error found diff --git a/tests/untried/neg/check-dead.flags b/tests/untried/neg/check-dead.flags new file mode 100644 index 000000000..c7d406c64 --- /dev/null +++ b/tests/untried/neg/check-dead.flags @@ -0,0 +1 @@ +-Ywarn-dead-code -Xfatal-warnings
\ No newline at end of file diff --git a/tests/untried/neg/check-dead.scala b/tests/untried/neg/check-dead.scala new file mode 100644 index 000000000..2d5bccb21 --- /dev/null +++ b/tests/untried/neg/check-dead.scala @@ -0,0 +1,37 @@ +object Other { + def oops(msg: String = "xxx"): Nothing = throw new Exception(msg) // should not warn +} + +class NoDeads { + def y1(arg: Any) = println("foo") + def z1 = y1(throw new Exception) // should warn + + def y2[T](arg: T) = println("foo") + def z2 = y2(throw new Exception) // should warn + + def y3[T](arg: => T) = println("foo") + def z3 = y3(throw new Exception) // should not warn: by name arg + + def nowarn1 = synchronized { throw new Exception } // should not warn: synchronized should be by name + + def nowarn2: Int = synchronized { // should not warn + val i = 10 + 2 + return i + } + def nowarn3: Int = synchronized { // should not warn + val i = 10 + 2 + i + } + + def nowarn4: String = Other.oops("don't warn about me") // should not warn + + def yeswarn1 = synchronized { + throw new Exception // should warn + 5 * 5 + } + def yeswarn2: Int = synchronized { + throw new Exception // should warn + return 5 + } +} + diff --git a/tests/untried/neg/checksensible.check b/tests/untried/neg/checksensible.check new file mode 100644 index 000000000..e5f1a38d9 --- /dev/null +++ b/tests/untried/neg/checksensible.check @@ -0,0 +1,102 @@ +checksensible.scala:13: warning: comparing a fresh object using `eq' will always yield false + (new AnyRef) eq (new AnyRef) + ^ +checksensible.scala:14: warning: comparing a fresh object using `ne' will always yield true + (new AnyRef) ne (new AnyRef) + ^ +checksensible.scala:15: warning: comparing a fresh object using `eq' will always yield false + Shmoopie eq (new AnyRef) + ^ +checksensible.scala:16: warning: comparing a fresh object using `eq' will always yield false + (Shmoopie: AnyRef) eq (new AnyRef) + ^ +checksensible.scala:17: warning: comparing a fresh object using `eq' will always yield false + (new AnyRef) eq Shmoopie + ^ +checksensible.scala:18: warning: comparing a fresh object using `eq' will always yield false + (new AnyRef) eq null + ^ +checksensible.scala:19: warning: comparing a fresh object using `eq' will always yield false + null eq new AnyRef + ^ +checksensible.scala:26: warning: comparing values of types Unit and Int using `==' will always yield false + (c = 1) == 0 + ^ +checksensible.scala:27: warning: comparing values of types Int and Unit using `==' will always yield false + 0 == (c = 1) + ^ +checksensible.scala:29: warning: comparing values of types Int and String using `==' will always yield false + 1 == "abc" + ^ +checksensible.scala:33: warning: comparing values of types Some[Int] and Int using `==' will always yield false + Some(1) == 1 // as above + ^ +checksensible.scala:38: warning: comparing a fresh object using `==' will always yield false + new AnyRef == 1 + ^ +checksensible.scala:41: warning: comparing values of types Int and Boolean using `==' will always yield false + 1 == (new java.lang.Boolean(true)) + ^ +checksensible.scala:43: warning: comparing values of types Int and Boolean using `!=' will always yield true + 1 != true + ^ +checksensible.scala:44: warning: comparing values of types Unit and Boolean using `==' will always yield false + () == true + ^ +checksensible.scala:45: warning: comparing values of types Unit and Unit using `==' will always yield true + () == () + ^ +checksensible.scala:46: warning: comparing values of types Unit and Unit using `==' will always yield true + () == println + ^ +checksensible.scala:47: warning: comparing values of types Unit and scala.runtime.BoxedUnit using `==' will always yield true + () == scala.runtime.BoxedUnit.UNIT // these should warn for always being true/false + ^ +checksensible.scala:48: warning: comparing values of types scala.runtime.BoxedUnit and Unit using `!=' will always yield false + scala.runtime.BoxedUnit.UNIT != () + ^ +checksensible.scala:51: warning: comparing values of types Int and Unit using `!=' will always yield true + (1 != println) + ^ +checksensible.scala:52: warning: comparing values of types Int and Symbol using `!=' will always yield true + (1 != 'sym) + ^ +checksensible.scala:58: warning: comparing a fresh object using `==' will always yield false + ((x: Int) => x + 1) == null + ^ +checksensible.scala:59: warning: comparing a fresh object using `==' will always yield false + Bep == ((_: Int) + 1) + ^ +checksensible.scala:61: warning: comparing a fresh object using `==' will always yield false + new Object == new Object + ^ +checksensible.scala:62: warning: comparing a fresh object using `==' will always yield false + new Object == "abc" + ^ +checksensible.scala:63: warning: comparing a fresh object using `!=' will always yield true + new Exception() != new Exception() + ^ +checksensible.scala:66: warning: comparing values of types Int and Null using `==' will always yield false + if (foo.length == null) "plante" else "plante pas" + ^ +checksensible.scala:71: warning: comparing values of types Bip and Bop using `==' will always yield false + (x1 == x2) + ^ +checksensible.scala:81: warning: comparing values of types EqEqRefTest.this.C3 and EqEqRefTest.this.Z1 using `==' will always yield false + c3 == z1 + ^ +checksensible.scala:82: warning: comparing values of types EqEqRefTest.this.Z1 and EqEqRefTest.this.C3 using `==' will always yield false + z1 == c3 + ^ +checksensible.scala:83: warning: comparing values of types EqEqRefTest.this.Z1 and EqEqRefTest.this.C3 using `!=' will always yield true + z1 != c3 + ^ +checksensible.scala:84: warning: comparing values of types EqEqRefTest.this.C3 and String using `!=' will always yield true + c3 != "abc" + ^ +checksensible.scala:95: warning: comparing values of types Unit and Int using `!=' will always yield true + while ((c = in.read) != -1) + ^ +error: No warnings can be incurred under -Xfatal-warnings. +33 warnings found +one error found diff --git a/tests/untried/neg/checksensible.flags b/tests/untried/neg/checksensible.flags new file mode 100644 index 000000000..e8fb65d50 --- /dev/null +++ b/tests/untried/neg/checksensible.flags @@ -0,0 +1 @@ +-Xfatal-warnings
\ No newline at end of file diff --git a/tests/untried/neg/checksensible.scala b/tests/untried/neg/checksensible.scala new file mode 100644 index 000000000..b6083f75e --- /dev/null +++ b/tests/untried/neg/checksensible.scala @@ -0,0 +1,100 @@ +final class Bip { def <=(other: Bop) = true } +final class Bop { } +object Bep { } + +final class Zing { + def !=(other: Zing) = false +} + +// 7 warnings +class RefEqTest { + object Shmoopie + + (new AnyRef) eq (new AnyRef) + (new AnyRef) ne (new AnyRef) + Shmoopie eq (new AnyRef) + (Shmoopie: AnyRef) eq (new AnyRef) + (new AnyRef) eq Shmoopie + (new AnyRef) eq null + null eq new AnyRef +} + +// 13 warnings +class EqEqValTest { + var c = 0 + + (c = 1) == 0 + 0 == (c = 1) + + 1 == "abc" + 1 == ("abc": Any) // doesn't warn because an Any may be a boxed Int + 1 == (1: Any) // as above + "abc" == 1 // warns because the lub of String and Int is Any + Some(1) == 1 // as above + + true == new java.lang.Boolean(true) // none of these should warn + new java.lang.Boolean(true) == true + + new AnyRef == 1 + 1 == new AnyRef // doesn't warn because it could be... + 1 == (new java.lang.Integer(1)) // ...something like this + 1 == (new java.lang.Boolean(true)) + + 1 != true + () == true + () == () + () == println + () == scala.runtime.BoxedUnit.UNIT // these should warn for always being true/false + scala.runtime.BoxedUnit.UNIT != () + (scala.runtime.BoxedUnit.UNIT: java.io.Serializable) != () // shouldn't warn + + (1 != println) + (1 != 'sym) +} + +// 12 warnings +class EqEqRefTest { + val ref = new Bop + ((x: Int) => x + 1) == null + Bep == ((_: Int) + 1) + + new Object == new Object + new Object == "abc" + new Exception() != new Exception() + + val foo: Array[String] = Array("1","2","3") + if (foo.length == null) "plante" else "plante pas" + + // final classes with default equals + val x1 = new Bip + val x2 = new Bop + (x1 == x2) + + class C1 { } + class C2 extends C1 { } + final class Z1 extends C2 { } + final class C3 extends C2 { def !=(other: Z1) = false } + val z1 = new Z1 + val c3 = new C3 + + // these should always warn + c3 == z1 + z1 == c3 + z1 != c3 + c3 != "abc" + // this should warn when feeling chatty + c3 != z1 + + // non-warners + (null: AnyRef) == (null: AnyRef) + (x1 <= x2) + + def main(args: Array[String]) = { + val in = new java.io.FileInputStream(args(0)) + var c = 0 + while ((c = in.read) != -1) + print(c.toChar) + + in.close + } +} diff --git a/tests/untried/neg/checksensibleUnit.check b/tests/untried/neg/checksensibleUnit.check new file mode 100644 index 000000000..7fed4e558 --- /dev/null +++ b/tests/untried/neg/checksensibleUnit.check @@ -0,0 +1,7 @@ +checksensibleUnit.scala:3: error: value > is not a member of Unit + println((c = 1) > 0) + ^ +checksensibleUnit.scala:4: error: value <= is not a member of Unit + println((c = 1) <= 0) + ^ +two errors found diff --git a/tests/untried/neg/checksensibleUnit.scala b/tests/untried/neg/checksensibleUnit.scala new file mode 100644 index 000000000..11c3b67ea --- /dev/null +++ b/tests/untried/neg/checksensibleUnit.scala @@ -0,0 +1,5 @@ +class Test { + var c = 0 + println((c = 1) > 0) + println((c = 1) <= 0) +} diff --git a/tests/untried/neg/choices.check b/tests/untried/neg/choices.check new file mode 100644 index 000000000..b114394e9 --- /dev/null +++ b/tests/untried/neg/choices.check @@ -0,0 +1,2 @@ +error: bad options: -Yresolve-term-conflict +one error found diff --git a/tests/untried/neg/choices.flags b/tests/untried/neg/choices.flags new file mode 100644 index 000000000..9718467d4 --- /dev/null +++ b/tests/untried/neg/choices.flags @@ -0,0 +1 @@ +-Yresolve-term-conflict diff --git a/tests/untried/neg/choices.scala b/tests/untried/neg/choices.scala new file mode 100644 index 000000000..882749487 --- /dev/null +++ b/tests/untried/neg/choices.scala @@ -0,0 +1,5 @@ +object Test { + def main(args: Array[String]): Unit = { + + } +} diff --git a/tests/untried/neg/class-of-double-targs.check b/tests/untried/neg/class-of-double-targs.check new file mode 100644 index 000000000..f7e2094f9 --- /dev/null +++ b/tests/untried/neg/class-of-double-targs.check @@ -0,0 +1,4 @@ +class-of-double-targs.scala:2: error: expression of type Class[Int](classOf[scala.Int]) does not take type parameters. + classOf[Int][Int] + ^ +one error found diff --git a/tests/untried/neg/class-of-double-targs.scala b/tests/untried/neg/class-of-double-targs.scala new file mode 100644 index 000000000..26a2fa838 --- /dev/null +++ b/tests/untried/neg/class-of-double-targs.scala @@ -0,0 +1,3 @@ +object Test { + classOf[Int][Int] +} diff --git a/tests/untried/neg/classmanifests_new_deprecations.check b/tests/untried/neg/classmanifests_new_deprecations.check new file mode 100644 index 000000000..fd1e2728c --- /dev/null +++ b/tests/untried/neg/classmanifests_new_deprecations.check @@ -0,0 +1,27 @@ +classmanifests_new_deprecations.scala:2: warning: type ClassManifest in object Predef is deprecated: Use `scala.reflect.ClassTag` instead + def cm1[T: ClassManifest] = ??? + ^ +classmanifests_new_deprecations.scala:3: warning: type ClassManifest in object Predef is deprecated: Use `scala.reflect.ClassTag` instead + def cm2[T](implicit evidence$1: ClassManifest[T]) = ??? + ^ +classmanifests_new_deprecations.scala:4: warning: type ClassManifest in object Predef is deprecated: Use `scala.reflect.ClassTag` instead + val cm3: ClassManifest[Int] = null + ^ +classmanifests_new_deprecations.scala:6: warning: type ClassManifest in package reflect is deprecated: Use scala.reflect.ClassTag instead + def rcm1[T: scala.reflect.ClassManifest] = ??? + ^ +classmanifests_new_deprecations.scala:7: warning: type ClassManifest in package reflect is deprecated: Use scala.reflect.ClassTag instead + def rcm2[T](implicit evidence$1: scala.reflect.ClassManifest[T]) = ??? + ^ +classmanifests_new_deprecations.scala:8: warning: type ClassManifest in package reflect is deprecated: Use scala.reflect.ClassTag instead + val rcm3: scala.reflect.ClassManifest[Int] = null + ^ +classmanifests_new_deprecations.scala:10: warning: type ClassManifest in object Predef is deprecated: Use `scala.reflect.ClassTag` instead + type CM[T] = ClassManifest[T] + ^ +classmanifests_new_deprecations.scala:15: warning: type ClassManifest in package reflect is deprecated: Use scala.reflect.ClassTag instead + type RCM[T] = scala.reflect.ClassManifest[T] + ^ +error: No warnings can be incurred under -Xfatal-warnings. +8 warnings found +one error found diff --git a/tests/untried/neg/classmanifests_new_deprecations.flags b/tests/untried/neg/classmanifests_new_deprecations.flags new file mode 100644 index 000000000..c6bfaf1f6 --- /dev/null +++ b/tests/untried/neg/classmanifests_new_deprecations.flags @@ -0,0 +1 @@ +-deprecation -Xfatal-warnings diff --git a/tests/untried/neg/classmanifests_new_deprecations.scala b/tests/untried/neg/classmanifests_new_deprecations.scala new file mode 100644 index 000000000..7aebf011f --- /dev/null +++ b/tests/untried/neg/classmanifests_new_deprecations.scala @@ -0,0 +1,37 @@ +object Test extends App { + def cm1[T: ClassManifest] = ??? + def cm2[T](implicit evidence$1: ClassManifest[T]) = ??? + val cm3: ClassManifest[Int] = null + + def rcm1[T: scala.reflect.ClassManifest] = ??? + def rcm2[T](implicit evidence$1: scala.reflect.ClassManifest[T]) = ??? + val rcm3: scala.reflect.ClassManifest[Int] = null + + type CM[T] = ClassManifest[T] + def acm1[T: CM] = ??? + def acm2[T](implicit evidence$1: CM[T]) = ??? + val acm3: CM[Int] = null + + type RCM[T] = scala.reflect.ClassManifest[T] + def arcm1[T: RCM] = ??? + def arcm2[T](implicit evidence$1: RCM[T]) = ??? + val arcm3: RCM[Int] = null + + def m1[T: Manifest] = ??? + def m2[T](implicit evidence$1: Manifest[T]) = ??? + val m3: Manifest[Int] = null + + def rm1[T: scala.reflect.Manifest] = ??? + def rm2[T](implicit evidence$1: scala.reflect.Manifest[T]) = ??? + val rm3: scala.reflect.Manifest[Int] = null + + type M[T] = Manifest[T] + def am1[T: M] = ??? + def am2[T](implicit evidence$1: M[T]) = ??? + val am3: M[Int] = null + + type RM[T] = scala.reflect.Manifest[T] + def arm1[T: RM] = ??? + def arm2[T](implicit evidence$1: RM[T]) = ??? + val arm3: RM[Int] = null +} diff --git a/tests/untried/neg/classtags_contextbound_a.check b/tests/untried/neg/classtags_contextbound_a.check new file mode 100644 index 000000000..5edb7f9a5 --- /dev/null +++ b/tests/untried/neg/classtags_contextbound_a.check @@ -0,0 +1,4 @@ +classtags_contextbound_a.scala:2: error: No ClassTag available for T + def foo[T] = Array[T]() + ^ +one error found diff --git a/tests/untried/neg/classtags_contextbound_a.scala b/tests/untried/neg/classtags_contextbound_a.scala new file mode 100644 index 000000000..77ca0cfd0 --- /dev/null +++ b/tests/untried/neg/classtags_contextbound_a.scala @@ -0,0 +1,4 @@ +object Test extends App { + def foo[T] = Array[T]() + println(foo[Int].getClass) +} diff --git a/tests/untried/neg/classtags_contextbound_b.check b/tests/untried/neg/classtags_contextbound_b.check new file mode 100644 index 000000000..e17ab8b0d --- /dev/null +++ b/tests/untried/neg/classtags_contextbound_b.check @@ -0,0 +1,4 @@ +classtags_contextbound_b.scala:5: error: No ClassTag available for T + def foo[T] = mkArray[T] + ^ +one error found diff --git a/tests/untried/neg/classtags_contextbound_b.scala b/tests/untried/neg/classtags_contextbound_b.scala new file mode 100644 index 000000000..503dfa5c0 --- /dev/null +++ b/tests/untried/neg/classtags_contextbound_b.scala @@ -0,0 +1,7 @@ +import scala.reflect.{ClassTag, classTag} + +object Test extends App { + def mkArray[T: ClassTag] = Array[T]() + def foo[T] = mkArray[T] + println(foo[Int].getClass) +} diff --git a/tests/untried/neg/classtags_contextbound_c.check b/tests/untried/neg/classtags_contextbound_c.check new file mode 100644 index 000000000..e8666f7a1 --- /dev/null +++ b/tests/untried/neg/classtags_contextbound_c.check @@ -0,0 +1,4 @@ +classtags_contextbound_c.scala:4: error: No ClassTag available for T + def mkArray[T] = Array[T]() + ^ +one error found diff --git a/tests/untried/neg/classtags_contextbound_c.scala b/tests/untried/neg/classtags_contextbound_c.scala new file mode 100644 index 000000000..b6b98ca74 --- /dev/null +++ b/tests/untried/neg/classtags_contextbound_c.scala @@ -0,0 +1,7 @@ +import scala.reflect.{ClassTag, classTag} + +object Test extends App { + def mkArray[T] = Array[T]() + def foo[T: ClassTag] = mkArray[T] + println(foo[Int].getClass) +} diff --git a/tests/untried/neg/classtags_dont_use_typetags.check b/tests/untried/neg/classtags_dont_use_typetags.check new file mode 100644 index 000000000..4f728d267 --- /dev/null +++ b/tests/untried/neg/classtags_dont_use_typetags.check @@ -0,0 +1,4 @@ +classtags_dont_use_typetags.scala:4: error: No ClassTag available for T + def foo[T: TypeTag] = Array[T]() + ^ +one error found diff --git a/tests/untried/neg/classtags_dont_use_typetags.scala b/tests/untried/neg/classtags_dont_use_typetags.scala new file mode 100644 index 000000000..3173d8311 --- /dev/null +++ b/tests/untried/neg/classtags_dont_use_typetags.scala @@ -0,0 +1,5 @@ +import scala.reflect.runtime.universe._ + +object Test extends App { + def foo[T: TypeTag] = Array[T]() +} diff --git a/tests/untried/neg/compile-time-only-a.check b/tests/untried/neg/compile-time-only-a.check new file mode 100644 index 000000000..9bc96f6b9 --- /dev/null +++ b/tests/untried/neg/compile-time-only-a.check @@ -0,0 +1,79 @@ +compile-time-only-a.scala:10: error: C3 +@compileTimeOnly("C3") case class C3(x: Int) + ^ +compile-time-only-a.scala:12: error: C4 +@compileTimeOnly("C4") case class C4(x: Int) + ^ +compile-time-only-a.scala:17: error: C5 + implicit class C5(val x: Int) { + ^ +compile-time-only-a.scala:32: error: C1 + new C1() + ^ +compile-time-only-a.scala:36: error: C2 + C2 + ^ +compile-time-only-a.scala:38: error: C3 + new C3(2) + ^ +compile-time-only-a.scala:41: error: C4 + new C4(2) + ^ +compile-time-only-a.scala:45: error: C5 + 2.ext + ^ +compile-time-only-a.scala:46: error: C5 + C5(2) + ^ +compile-time-only-a.scala:49: error: C6.x + val _ = c6.x + ^ +compile-time-only-a.scala:50: error: C6.foo + c6.foo + ^ +compile-time-only-a.scala:51: error: C6.Foo + type Foo = c6.Foo + ^ +compile-time-only-a.scala:52: error: C6.y + c6.y = c6.y + ^ +compile-time-only-a.scala:52: error: C6.y + c6.y = c6.y + ^ +compile-time-only-a.scala:54: error: C7 + val c701: (C7, C7) = ??? + ^ +compile-time-only-a.scala:55: error: C7 + val c702: (C7 => C7) = ??? + ^ +compile-time-only-a.scala:56: error: C7 + val c703: { val x: C7 } = ??? + ^ +compile-time-only-a.scala:57: error: C7 + val c704: AnyRef with C7 = ??? + ^ +compile-time-only-a.scala:60: error: C7 + val c706: C7 Either C7 = ??? + ^ +compile-time-only-a.scala:61: error: C7 + val c707a: List[C7] = ??? + ^ +compile-time-only-a.scala:63: error: C7 + val c708a: T forSome { type T <: C7 } = ??? + ^ +compile-time-only-a.scala:66: error: C8 + val c709: (C8[Int], C8[C7]) = ??? + ^ +compile-time-only-a.scala:67: error: C8 + val c710: (C8[_] => C8[_]) = ??? + ^ +compile-time-only-a.scala:74: error: placebo +class Test { + ^ +compile-time-only-a.scala:75: error: placebo + @placebo def x = (2: @placebo) + ^ +compile-time-only-a.scala:75: error: placebo + @placebo def x = (2: @placebo) + ^ +26 errors found diff --git a/tests/untried/neg/compile-time-only-a.scala b/tests/untried/neg/compile-time-only-a.scala new file mode 100644 index 000000000..130a3c539 --- /dev/null +++ b/tests/untried/neg/compile-time-only-a.scala @@ -0,0 +1,76 @@ +import scala.annotation.compileTimeOnly +import scala.language.existentials + +@compileTimeOnly("C1") class C1 +object C1 + +class C2 +@compileTimeOnly("C2") object C2 + +@compileTimeOnly("C3") case class C3(x: Int) + +@compileTimeOnly("C4") case class C4(x: Int) +object C4 + +object pkg { + @compileTimeOnly("C5") + implicit class C5(val x: Int) { + def ext = ??? + } +} + +class C6(@compileTimeOnly("C6.x") val x: Int) { + @compileTimeOnly("C6.foo") def foo = 2 + @compileTimeOnly("C6.Foo") type Foo = Int + @compileTimeOnly("C6.y") var y = 3 +} + +@compileTimeOnly("C7") class C7 +@compileTimeOnly("C8") class C8[T] + +object Test extends App { + new C1() + C1 + + new C2() + C2 + + new C3(2) + C3(2) + + new C4(2) + C4(2) + + import pkg._ + 2.ext + C5(2) + + val c6 = new C6(2) + val _ = c6.x + c6.foo + type Foo = c6.Foo + c6.y = c6.y + + val c701: (C7, C7) = ??? + val c702: (C7 => C7) = ??? + val c703: { val x: C7 } = ??? + val c704: AnyRef with C7 = ??? + // https://groups.google.com/forum/#!topic/scala-internals/5n07TiCnBZU + // val c705: ({ @compileTimeOnly("C7") type C7[T] = List[T] })#C7[_] = ??? + val c706: C7 Either C7 = ??? + val c707a: List[C7] = ??? + val c707b = List[C7]() + val c708a: T forSome { type T <: C7 } = ??? + // https://groups.google.com/forum/#!topic/scala-internals/5n07TiCnBZU + // val c708b: T forSome { @compileTimeOnly("C7") type T } = ??? + val c709: (C8[Int], C8[C7]) = ??? + val c710: (C8[_] => C8[_]) = ??? +} + +@compileTimeOnly("placebo") +class placebo extends scala.annotation.StaticAnnotation + +@placebo +class Test { + @placebo def x = (2: @placebo) +} diff --git a/tests/untried/neg/compile-time-only-b.check b/tests/untried/neg/compile-time-only-b.check new file mode 100644 index 000000000..50cdf57fb --- /dev/null +++ b/tests/untried/neg/compile-time-only-b.check @@ -0,0 +1,13 @@ +compile-time-only-b.scala:9: error: splice must be enclosed within a reify {} block + val ignored1 = expr.splice + ^ +compile-time-only-b.scala:10: error: cannot use value except for signatures of macro implementations + val ignored2 = expr.value + ^ +compile-time-only-b.scala:13: error: splice must be enclosed within a reify {} block + val ignored3 = reify(fortyTwo).splice + ^ +compile-time-only-b.scala:14: error: cannot use value except for signatures of macro implementations + val ignored4 = reify(fortyTwo).value + ^ +four errors found diff --git a/tests/untried/neg/compile-time-only-b.scala b/tests/untried/neg/compile-time-only-b.scala new file mode 100644 index 000000000..7636fd38d --- /dev/null +++ b/tests/untried/neg/compile-time-only-b.scala @@ -0,0 +1,15 @@ +import scala.reflect.runtime.universe._ + +object Test extends App { + // HAHA!!! + // no compileTimeOnly errors here, because scalac does constant folding + // the type of reify(42) is Expr[42.type] + // therefore the type of expr.splice is 42.type, which is then constfolded + val expr = reify(42) + val ignored1 = expr.splice + val ignored2 = expr.value + + val fortyTwo = 42 + val ignored3 = reify(fortyTwo).splice + val ignored4 = reify(fortyTwo).value +} diff --git a/tests/untried/neg/constrs.check b/tests/untried/neg/constrs.check new file mode 100644 index 000000000..4f4a12bc1 --- /dev/null +++ b/tests/untried/neg/constrs.check @@ -0,0 +1,18 @@ +constrs.scala:6: error: type T is not a member of object test + def this(y: Int)(z: Int)(t: this.T) = { this(this.u + y + z); Console.println(x) } + ^ +constrs.scala:6: error: value u is not a member of object test + def this(y: Int)(z: Int)(t: this.T) = { this(this.u + y + z); Console.println(x) } + ^ +constrs.scala:10: error: called constructor's definition must precede calling constructor's definition + def this() = this("abc") + ^ +constrs.scala:12: error: called constructor's definition must precede calling constructor's definition + def this(x: Boolean) = this(x) + ^ +constrs.scala:16: error: type mismatch; + found : Int(1) + required: a + def this() = this(1) + ^ +5 errors found diff --git a/tests/untried/neg/constrs.scala b/tests/untried/neg/constrs.scala new file mode 100644 index 000000000..016df098f --- /dev/null +++ b/tests/untried/neg/constrs.scala @@ -0,0 +1,19 @@ +object test { + + abstract class Test(x: Int) { + type T; + val u = x; + def this(y: Int)(z: Int)(t: this.T) = { this(this.u + y + z); Console.println(x) } + } + + class Foo(x: Int) { + def this() = this("abc") + def this(x: String) = this(1) + def this(x: Boolean) = this(x) + } + + class Bar[a](x: a) { + def this() = this(1) + } + +} diff --git a/tests/untried/neg/constructor-init-order.check b/tests/untried/neg/constructor-init-order.check new file mode 100644 index 000000000..9ab6ac592 --- /dev/null +++ b/tests/untried/neg/constructor-init-order.check @@ -0,0 +1,9 @@ +constructor-init-order.scala:7: warning: Reference to uninitialized value baz + val bar1 = baz // warn + ^ +constructor-init-order.scala:17: warning: Reference to uninitialized variable baz + var bar1 = baz // warn + ^ +error: No warnings can be incurred under -Xfatal-warnings. +two warnings found +one error found diff --git a/tests/untried/neg/constructor-init-order.flags b/tests/untried/neg/constructor-init-order.flags new file mode 100644 index 000000000..85d8eb2ba --- /dev/null +++ b/tests/untried/neg/constructor-init-order.flags @@ -0,0 +1 @@ +-Xfatal-warnings diff --git a/tests/untried/neg/constructor-init-order.scala b/tests/untried/neg/constructor-init-order.scala new file mode 100644 index 000000000..fe8fec87a --- /dev/null +++ b/tests/untried/neg/constructor-init-order.scala @@ -0,0 +1,23 @@ +trait Foo0 { + val quux1: String + val quux2 = quux1 // warning here is "future work" +} + +class Foo1 extends Foo0 { + val bar1 = baz // warn + val bar2 = lazybaz // no warn + val bar3 = defbaz // no warn + val baz = "oops" + lazy val lazybaz = "ok" + def defbaz = "ok" + val quux1 = "oops" +} + +class Foo2 { + var bar1 = baz // warn + var bar2 = lazybaz // no warn + var bar3 = defbaz // no warn + var baz = "oops" + lazy val lazybaz = "ok" + def defbaz = "ok" +} diff --git a/tests/untried/neg/constructor-prefix-error.check b/tests/untried/neg/constructor-prefix-error.check new file mode 100644 index 000000000..87e948881 --- /dev/null +++ b/tests/untried/neg/constructor-prefix-error.check @@ -0,0 +1,4 @@ +constructor-prefix-error.scala:6: error: Outer is not a legal prefix for a constructor + val x = new Outer#Inner + ^ +one error found diff --git a/tests/untried/neg/constructor-prefix-error.scala b/tests/untried/neg/constructor-prefix-error.scala new file mode 100644 index 000000000..c2accea28 --- /dev/null +++ b/tests/untried/neg/constructor-prefix-error.scala @@ -0,0 +1,7 @@ +class Outer { + class Inner +} + +object Test { + val x = new Outer#Inner +} diff --git a/tests/untried/neg/cycle-bounds.check b/tests/untried/neg/cycle-bounds.check new file mode 100644 index 000000000..d924838ae --- /dev/null +++ b/tests/untried/neg/cycle-bounds.check @@ -0,0 +1,4 @@ +cycle-bounds.scala:5: error: illegal cyclic reference involving type T +class NotOk[T <: Comparable[_ <: T]] + ^ +one error found diff --git a/tests/untried/neg/cycle-bounds.flags b/tests/untried/neg/cycle-bounds.flags new file mode 100644 index 000000000..ca20f5517 --- /dev/null +++ b/tests/untried/neg/cycle-bounds.flags @@ -0,0 +1 @@ +-Ybreak-cycles diff --git a/tests/untried/neg/cycle-bounds.scala b/tests/untried/neg/cycle-bounds.scala new file mode 100644 index 000000000..0b43bc703 --- /dev/null +++ b/tests/untried/neg/cycle-bounds.scala @@ -0,0 +1,5 @@ +// This should be allowed +class Ok[T <: Comparable[_ >: T]] + +// This is (il)legitimately a cyclic reference +class NotOk[T <: Comparable[_ <: T]] diff --git a/tests/untried/neg/cyclics-import.check b/tests/untried/neg/cyclics-import.check new file mode 100644 index 000000000..be09fca37 --- /dev/null +++ b/tests/untried/neg/cyclics-import.check @@ -0,0 +1,6 @@ +cyclics-import.scala:1: error: encountered unrecoverable cycle resolving import. +Note: this is often due in part to a class depending on a definition nested within its companion. +If applicable, you may wish to try moving some members into another object. +import User.UserStatus._ + ^ +one error found diff --git a/tests/untried/neg/cyclics-import.scala b/tests/untried/neg/cyclics-import.scala new file mode 100644 index 000000000..7b510b58e --- /dev/null +++ b/tests/untried/neg/cyclics-import.scala @@ -0,0 +1,17 @@ +import User.UserStatus._ + +class User { + var id: Int = 0 + var email: String = null + var password: String = null + var userStatus: UserStatus = null +} + +object User { + object UserStatus extends Enumeration { + type UserStatus = Value + + val Active = Value("1") + val Disabled = Value("2") + } +} diff --git a/tests/untried/neg/cyclics.check b/tests/untried/neg/cyclics.check new file mode 100644 index 000000000..c240387d2 --- /dev/null +++ b/tests/untried/neg/cyclics.check @@ -0,0 +1,10 @@ +cyclics.scala:2: error: illegal cyclic reference involving type A + type A = List[A] + ^ +cyclics.scala:3: error: illegal cyclic reference involving type B + type B[T] = List[B[B[T]]] + ^ +cyclics.scala:5: error: illegal cyclic reference involving type E + type C = I { type E = C } + ^ +three errors found diff --git a/tests/untried/neg/cyclics.scala b/tests/untried/neg/cyclics.scala new file mode 100644 index 000000000..adfc94e4e --- /dev/null +++ b/tests/untried/neg/cyclics.scala @@ -0,0 +1,6 @@ +object test { + type A = List[A] + type B[T] = List[B[B[T]]] + trait I { type E } + type C = I { type E = C } +} diff --git a/tests/untried/neg/dbldef.check b/tests/untried/neg/dbldef.check new file mode 100644 index 000000000..b896c4cdc --- /dev/null +++ b/tests/untried/neg/dbldef.check @@ -0,0 +1,12 @@ +dbldef.scala:1: error: x is already defined as value x +case class test0(x: Int, x: Float) + ^ +dbldef.scala:1: error: type mismatch; + found : Float + required: Int +case class test0(x: Int, x: Float) + ^ +dbldef.scala:1: error: in class test0, multiple overloaded alternatives of x define default arguments +case class test0(x: Int, x: Float) + ^ +three errors found diff --git a/tests/untried/neg/dbldef.scala b/tests/untried/neg/dbldef.scala new file mode 100644 index 000000000..c70fb97b2 --- /dev/null +++ b/tests/untried/neg/dbldef.scala @@ -0,0 +1 @@ +case class test0(x: Int, x: Float) diff --git a/tests/untried/neg/deadline-inf-illegal.check b/tests/untried/neg/deadline-inf-illegal.check new file mode 100644 index 000000000..530d2b244 --- /dev/null +++ b/tests/untried/neg/deadline-inf-illegal.check @@ -0,0 +1,15 @@ +deadline-inf-illegal.scala:5: error: value fromNow is not a member of scala.concurrent.duration.Duration + d.fromNow + ^ +deadline-inf-illegal.scala:6: error: type mismatch; + found : scala.concurrent.duration.Duration + required: scala.concurrent.duration.FiniteDuration + Deadline.now + d + ^ +deadline-inf-illegal.scala:7: error: overloaded method value - with alternatives: + (other: scala.concurrent.duration.Deadline)scala.concurrent.duration.FiniteDuration <and> + (other: scala.concurrent.duration.FiniteDuration)scala.concurrent.duration.Deadline + cannot be applied to (scala.concurrent.duration.Duration) + Deadline.now - d + ^ +three errors found diff --git a/tests/untried/neg/deadline-inf-illegal.scala b/tests/untried/neg/deadline-inf-illegal.scala new file mode 100644 index 000000000..942cea701 --- /dev/null +++ b/tests/untried/neg/deadline-inf-illegal.scala @@ -0,0 +1,8 @@ +import concurrent.duration.{ Deadline, Duration } + +class T { + val d: Duration = Duration.Zero + d.fromNow + Deadline.now + d + Deadline.now - d +} diff --git a/tests/untried/neg/delayed-init-ref.check b/tests/untried/neg/delayed-init-ref.check new file mode 100644 index 000000000..90bc02796 --- /dev/null +++ b/tests/untried/neg/delayed-init-ref.check @@ -0,0 +1,16 @@ +delayed-init-ref.scala:17: warning: Selecting value vall from object O, which extends scala.DelayedInit, is likely to yield an uninitialized value + println(O.vall) // warn + ^ +delayed-init-ref.scala:19: warning: Selecting value vall from object O, which extends scala.DelayedInit, is likely to yield an uninitialized value + println(vall) // warn + ^ +delayed-init-ref.scala:28: warning: trait DelayedInit in package scala is deprecated: DelayedInit semantics can be surprising. Support for `App` will continue. +See the release notes for more details: https://github.com/scala/scala/releases/tag/v2.11.0-RC1 +trait Before extends DelayedInit { + ^ +delayed-init-ref.scala:40: warning: Selecting value foo from trait UserContext, which extends scala.DelayedInit, is likely to yield an uninitialized value + println({locally(()); this}.foo) // warn (spurious, but we can't discriminate) + ^ +error: No warnings can be incurred under -Xfatal-warnings. +four warnings found +one error found diff --git a/tests/untried/neg/delayed-init-ref.flags b/tests/untried/neg/delayed-init-ref.flags new file mode 100644 index 000000000..88a3e4c67 --- /dev/null +++ b/tests/untried/neg/delayed-init-ref.flags @@ -0,0 +1 @@ +-deprecation -Xlint -Xfatal-warnings diff --git a/tests/untried/neg/delayed-init-ref.scala b/tests/untried/neg/delayed-init-ref.scala new file mode 100644 index 000000000..f2aa804e2 --- /dev/null +++ b/tests/untried/neg/delayed-init-ref.scala @@ -0,0 +1,42 @@ +trait T { + val traitVal = "" +} + +object O extends App with T { + val vall = "" + lazy val lazyy = "" + def deff = "" + + println(vall) // no warn + new { + println(vall) // no warn + } +} + +object Client { + println(O.vall) // warn + import O.vall + println(vall) // warn + + println(O.lazyy) // no warn + println(O.deff) // no warn + println(O.traitVal) // no warn +} + +// Delayed init usage pattern from Specs2 +// See: https://groups.google.com/d/msg/scala-sips/wP6dL8nIAQs/ogjoPE-MSVAJ +trait Before extends DelayedInit { + def before() + override def delayedInit(x: => Unit): Unit = { before; x } +} +object Spec { + trait UserContext extends Before { + def before() = () + val foo = "foo" + } + new UserContext { + println(foo) // no warn + println(this.foo) // no warn + println({locally(()); this}.foo) // warn (spurious, but we can't discriminate) + } +} diff --git a/tests/untried/neg/depmet_1.check b/tests/untried/neg/depmet_1.check new file mode 100644 index 000000000..7a4f845fd --- /dev/null +++ b/tests/untried/neg/depmet_1.check @@ -0,0 +1,10 @@ +depmet_1.scala:2: error: illegal dependent method type: parameter appears in the type of another parameter in the same section or an earlier one + def precise0(y: x.type)(x: String): Unit = {} + ^ +depmet_1.scala:3: error: illegal dependent method type: parameter appears in the type of another parameter in the same section or an earlier one + def precise1(x: String, y: x.type): Unit = {} + ^ +depmet_1.scala:4: error: not found: value y + def precise2[T <: y.type](y: String): Unit = {} + ^ +three errors found diff --git a/tests/untried/neg/depmet_1.scala b/tests/untried/neg/depmet_1.scala new file mode 100644 index 000000000..9388b2c9a --- /dev/null +++ b/tests/untried/neg/depmet_1.scala @@ -0,0 +1,5 @@ +object Test { + def precise0(y: x.type)(x: String): Unit = {} + def precise1(x: String, y: x.type): Unit = {} + def precise2[T <: y.type](y: String): Unit = {} +} diff --git a/tests/untried/neg/divergent-implicit.check b/tests/untried/neg/divergent-implicit.check new file mode 100644 index 000000000..60d876409 --- /dev/null +++ b/tests/untried/neg/divergent-implicit.check @@ -0,0 +1,16 @@ +divergent-implicit.scala:4: error: type mismatch; + found : Int(1) + required: String + val x1: String = 1 + ^ +divergent-implicit.scala:14: error: type mismatch; + found : Test2.Foo + required: Test2.Bar + val x: Bar = new Foo + ^ +divergent-implicit.scala:15: error: type mismatch; + found : Test2.Baz + required: Test2.Bar + val y: Bar = new Baz + ^ +three errors found diff --git a/tests/untried/neg/divergent-implicit.scala b/tests/untried/neg/divergent-implicit.scala new file mode 100644 index 000000000..4a356d54f --- /dev/null +++ b/tests/untried/neg/divergent-implicit.scala @@ -0,0 +1,16 @@ +object Test1 { + implicit def cast[A, B](x: A)(implicit c: A => B): B = c(x) + + val x1: String = 1 + val x2: String = cast[Int, String](1) +} +object Test2 { + class Foo + class Bar + class Baz + implicit def foo2bar(x: Foo)(implicit baz2bar: Baz => Bar): Bar = baz2bar(new Baz) + implicit def baz2bar(x: Baz)(implicit foo2bar: Foo => Bar): Bar = foo2bar(new Foo) + + val x: Bar = new Foo + val y: Bar = new Baz +} diff --git a/tests/untried/neg/dotless-targs.check b/tests/untried/neg/dotless-targs.check new file mode 100644 index 000000000..4aab939f6 --- /dev/null +++ b/tests/untried/neg/dotless-targs.check @@ -0,0 +1,4 @@ +dotless-targs.scala:2: error: type application is not allowed for postfix operators + def f1 = "f1" isInstanceOf[String] // not ok + ^ +one error found diff --git a/tests/untried/neg/dotless-targs.scala b/tests/untried/neg/dotless-targs.scala new file mode 100644 index 000000000..eff63cbec --- /dev/null +++ b/tests/untried/neg/dotless-targs.scala @@ -0,0 +1,5 @@ +class A { + def f1 = "f1" isInstanceOf[String] // not ok + def f2 = "f2".isInstanceOf[String] // ok + def f3 = "f3" toList // ok +} diff --git a/tests/untried/neg/error_dependentMethodTpeConversionToFunction.check b/tests/untried/neg/error_dependentMethodTpeConversionToFunction.check new file mode 100644 index 000000000..3496a552c --- /dev/null +++ b/tests/untried/neg/error_dependentMethodTpeConversionToFunction.check @@ -0,0 +1,4 @@ +error_dependentMethodTpeConversionToFunction.scala:4: error: method with dependent type (x: AnyRef)x.type cannot be converted to function value + val x: Any => Any = foo + ^ +one error found diff --git a/tests/untried/neg/error_dependentMethodTpeConversionToFunction.scala b/tests/untried/neg/error_dependentMethodTpeConversionToFunction.scala new file mode 100644 index 000000000..d0c4cb48a --- /dev/null +++ b/tests/untried/neg/error_dependentMethodTpeConversionToFunction.scala @@ -0,0 +1,5 @@ +// test DependentMethodTpeConversionToFunctionError +object Test { + def foo(x: AnyRef): x.type = x + val x: Any => Any = foo +} diff --git a/tests/untried/neg/error_tooManyArgsPattern.check b/tests/untried/neg/error_tooManyArgsPattern.check new file mode 100644 index 000000000..ee401ad06 --- /dev/null +++ b/tests/untried/neg/error_tooManyArgsPattern.check @@ -0,0 +1,4 @@ +error_tooManyArgsPattern.scala:3: error: too many arguments for unapply pattern, maximum = 22 + case List(x1, x2, x3, x4, x5, x6, x7, x8, x9, x10, x11, x12, x13, x14, x15, x16, x17, x18, x19, x20, x21, x22, x23) => 7 + ^ +one error found diff --git a/tests/untried/neg/error_tooManyArgsPattern.scala b/tests/untried/neg/error_tooManyArgsPattern.scala new file mode 100644 index 000000000..d55ba6100 --- /dev/null +++ b/tests/untried/neg/error_tooManyArgsPattern.scala @@ -0,0 +1,5 @@ +object Test { + def test(xs: Any) = xs match { // test error message TooManyArgsPatternError + case List(x1, x2, x3, x4, x5, x6, x7, x8, x9, x10, x11, x12, x13, x14, x15, x16, x17, x18, x19, x20, x21, x22, x23) => 7 + } +} diff --git a/tests/untried/neg/eta-expand-star-deprecation.check b/tests/untried/neg/eta-expand-star-deprecation.check new file mode 100644 index 000000000..a79f0df76 --- /dev/null +++ b/tests/untried/neg/eta-expand-star-deprecation.check @@ -0,0 +1,4 @@ +warning: -Yeta-expand-keeps-star is deprecated: This flag is scheduled for removal in 2.12. If you have a case where you need this flag then please report a bug. +error: No warnings can be incurred under -Xfatal-warnings. +one warning found +one error found diff --git a/tests/untried/neg/eta-expand-star-deprecation.flags b/tests/untried/neg/eta-expand-star-deprecation.flags new file mode 100644 index 000000000..5ac8b638e --- /dev/null +++ b/tests/untried/neg/eta-expand-star-deprecation.flags @@ -0,0 +1 @@ +-Yeta-expand-keeps-star -deprecation -Xfatal-warnings diff --git a/tests/untried/neg/eta-expand-star-deprecation.scala b/tests/untried/neg/eta-expand-star-deprecation.scala new file mode 100644 index 000000000..574969252 --- /dev/null +++ b/tests/untried/neg/eta-expand-star-deprecation.scala @@ -0,0 +1,8 @@ +object Test { + def f[T](xs: T*): Unit = () + def g[T] = f[T] _ + + def main(args: Array[String]): Unit = { + g(1, 2) + } +} diff --git a/tests/untried/neg/eta-expand-star.check b/tests/untried/neg/eta-expand-star.check new file mode 100644 index 000000000..6765d504f --- /dev/null +++ b/tests/untried/neg/eta-expand-star.check @@ -0,0 +1,4 @@ +eta-expand-star.scala:6: error: too many arguments for method apply: (v1: Seq[T])Unit in trait Function1 + g(1, 2) + ^ +one error found diff --git a/tests/untried/neg/eta-expand-star.scala b/tests/untried/neg/eta-expand-star.scala new file mode 100644 index 000000000..574969252 --- /dev/null +++ b/tests/untried/neg/eta-expand-star.scala @@ -0,0 +1,8 @@ +object Test { + def f[T](xs: T*): Unit = () + def g[T] = f[T] _ + + def main(args: Array[String]): Unit = { + g(1, 2) + } +} diff --git a/tests/untried/neg/exhausting.check b/tests/untried/neg/exhausting.check new file mode 100644 index 000000000..619849693 --- /dev/null +++ b/tests/untried/neg/exhausting.check @@ -0,0 +1,27 @@ +exhausting.scala:21: warning: match may not be exhaustive. +It would fail on the following inputs: List(_), List(_, _, _) + def fail1[T](xs: List[T]) = xs match { + ^ +exhausting.scala:27: warning: match may not be exhaustive. +It would fail on the following input: Nil + def fail2[T](xs: List[T]) = xs match { + ^ +exhausting.scala:32: warning: match may not be exhaustive. +It would fail on the following input: List((x: Int forSome x not in (1, 2))) + def fail3a(xs: List[Int]) = xs match { + ^ +exhausting.scala:39: warning: match may not be exhaustive. +It would fail on the following input: Bar3 + def fail3[T](x: Foo[T]) = x match { + ^ +exhausting.scala:47: warning: match may not be exhaustive. +It would fail on the following inputs: (Bar1, Bar2), (Bar1, Bar3), (Bar2, Bar1), (Bar2, Bar2) + def fail4[T <: AnyRef](xx: (Foo[T], Foo[T])) = xx match { + ^ +exhausting.scala:56: warning: match may not be exhaustive. +It would fail on the following inputs: (Bar1, Bar2), (Bar1, Bar3), (Bar2, Bar1), (Bar2, Bar2) + def fail5[T](xx: (Foo[T], Foo[T])) = xx match { + ^ +error: No warnings can be incurred under -Xfatal-warnings. +6 warnings found +one error found diff --git a/tests/untried/neg/exhausting.flags b/tests/untried/neg/exhausting.flags new file mode 100644 index 000000000..85d8eb2ba --- /dev/null +++ b/tests/untried/neg/exhausting.flags @@ -0,0 +1 @@ +-Xfatal-warnings diff --git a/tests/untried/neg/exhausting.scala b/tests/untried/neg/exhausting.scala new file mode 100644 index 000000000..c00569c91 --- /dev/null +++ b/tests/untried/neg/exhausting.scala @@ -0,0 +1,61 @@ +object Test { + sealed abstract class Foo[T] + case object Bar1 extends Foo[Int] + case object Bar2 extends Foo[String] + case object Bar3 extends Foo[Any] + + def ex1[T](xs: List[T]) = xs match { + case ys: List[_] => "ok" + } + def ex2[T](xx: (Foo[T], Foo[T])) = xx match { + case (Bar1, Bar1) => () + case (_, Bar1) => () + case (_, Bar3) => () + case (_, Bar2) => () + } + def ex3[T](xx: (Foo[T], Foo[T])) = xx match { + case (_: Foo[_], _: Foo[_]) => () + } + + // fails for: ::(_, Nil), ::(_, ::(_, ::(_, _))), ... + def fail1[T](xs: List[T]) = xs match { + case Nil => "ok" + case x :: y :: Nil => "ok" + } + + // fails for: Nil + def fail2[T](xs: List[T]) = xs match { + case _ :: _ => "ok" + } + + // fails for: ::(<not in (2, 1)>, _) + def fail3a(xs: List[Int]) = xs match { + case 1 :: _ => + case 2 :: _ => + case Nil => + } + + // fails for: Bar3 + def fail3[T](x: Foo[T]) = x match { + case Bar1 => "ok" + case Bar2 => "ok" + } + // fails for: (Bar1, Bar2) + // fails for: (Bar1, Bar3) + // fails for: (Bar2, Bar2) + // fails for: (Bar2, Bar1) + def fail4[T <: AnyRef](xx: (Foo[T], Foo[T])) = xx match { + case (Bar1, Bar1) => () + case (Bar2, Bar3) => () + case (Bar3, _) => () + } + // fails for: (Bar1, Bar2) + // fails for: (Bar1, Bar3) + // fails for: (Bar2, Bar1) + // fails for: (Bar2, Bar2) + def fail5[T](xx: (Foo[T], Foo[T])) = xx match { + case (Bar1, Bar1) => () + case (Bar2, Bar3) => () + case (Bar3, _) => () + } +} diff --git a/tests/untried/neg/faculty.check b/tests/untried/neg/faculty.check new file mode 100644 index 000000000..b1d1d4c9f --- /dev/null +++ b/tests/untried/neg/faculty.check @@ -0,0 +1,4 @@ +faculty.scala:3: error: recursive method faculty needs result type + def faculty(x: Int) = if (x == 0) 1 else x * faculty(x - 1) + ^ +one error found diff --git a/tests/untried/neg/faculty.scala b/tests/untried/neg/faculty.scala new file mode 100644 index 000000000..1f137a48f --- /dev/null +++ b/tests/untried/neg/faculty.scala @@ -0,0 +1,5 @@ +object Test { + + def faculty(x: Int) = if (x == 0) 1 else x * faculty(x - 1) + +} diff --git a/tests/untried/neg/finitary-error.check b/tests/untried/neg/finitary-error.check new file mode 100644 index 000000000..7bc92058c --- /dev/null +++ b/tests/untried/neg/finitary-error.check @@ -0,0 +1,4 @@ +finitary-error.scala:3: error: class graph is not finitary because type parameter T is expansively recursive +trait C[T] extends A[C[B[T]]] + ^ +one error found diff --git a/tests/untried/neg/finitary-error.scala b/tests/untried/neg/finitary-error.scala new file mode 100644 index 000000000..a48fcdc70 --- /dev/null +++ b/tests/untried/neg/finitary-error.scala @@ -0,0 +1,3 @@ +trait A[T] +trait B[T] +trait C[T] extends A[C[B[T]]] diff --git a/tests/untried/neg/for-comprehension-old.check b/tests/untried/neg/for-comprehension-old.check new file mode 100644 index 000000000..1ecaf12af --- /dev/null +++ b/tests/untried/neg/for-comprehension-old.check @@ -0,0 +1,26 @@ +for-comprehension-old.scala:3: warning: val keyword in for comprehension is deprecated + for (x <- 1 to 5 ; val y = x) yield x+y // fail + ^ +for-comprehension-old.scala:5: warning: val keyword in for comprehension is deprecated + for (val x <- 1 to 5 ; val y = x) yield x+y // fail + ^ +for-comprehension-old.scala:8: warning: val keyword in for comprehension is deprecated + for (z <- 1 to 2 ; x <- 1 to 5 ; val y = x) yield x+y // fail + ^ +for-comprehension-old.scala:10: warning: val keyword in for comprehension is deprecated + for (z <- 1 to 2 ; val x <- 1 to 5 ; val y = x) yield x+y // fail + ^ +for-comprehension-old.scala:4: error: val in for comprehension must be followed by assignment + for (val x <- 1 to 5 ; y = x) yield x+y // fail + ^ +for-comprehension-old.scala:5: error: val in for comprehension must be followed by assignment + for (val x <- 1 to 5 ; val y = x) yield x+y // fail + ^ +for-comprehension-old.scala:9: error: val in for comprehension must be followed by assignment + for (z <- 1 to 2 ; val x <- 1 to 5 ; y = x) yield x+y // fail + ^ +for-comprehension-old.scala:10: error: val in for comprehension must be followed by assignment + for (z <- 1 to 2 ; val x <- 1 to 5 ; val y = x) yield x+y // fail + ^ +four warnings found +four errors found diff --git a/tests/untried/neg/for-comprehension-old.flags b/tests/untried/neg/for-comprehension-old.flags new file mode 100644 index 000000000..dcc59ebe3 --- /dev/null +++ b/tests/untried/neg/for-comprehension-old.flags @@ -0,0 +1 @@ +-deprecation diff --git a/tests/untried/neg/for-comprehension-old.scala b/tests/untried/neg/for-comprehension-old.scala new file mode 100644 index 000000000..10ae363bd --- /dev/null +++ b/tests/untried/neg/for-comprehension-old.scala @@ -0,0 +1,11 @@ +class A { + for (x <- 1 to 5 ; y = x) yield x+y // ok + for (x <- 1 to 5 ; val y = x) yield x+y // fail + for (val x <- 1 to 5 ; y = x) yield x+y // fail + for (val x <- 1 to 5 ; val y = x) yield x+y // fail + + for (z <- 1 to 2 ; x <- 1 to 5 ; y = x) yield x+y // ok + for (z <- 1 to 2 ; x <- 1 to 5 ; val y = x) yield x+y // fail + for (z <- 1 to 2 ; val x <- 1 to 5 ; y = x) yield x+y // fail + for (z <- 1 to 2 ; val x <- 1 to 5 ; val y = x) yield x+y // fail +} diff --git a/tests/untried/neg/forgot-interpolator.check b/tests/untried/neg/forgot-interpolator.check new file mode 100644 index 000000000..898845898 --- /dev/null +++ b/tests/untried/neg/forgot-interpolator.check @@ -0,0 +1,27 @@ +forgot-interpolator.scala:4: warning: `$bippy` looks like an interpolated identifier! Did you forget the interpolator? + def f = "Put the $bippy in the $bippy!" // warn 1 + ^ +forgot-interpolator.scala:14: warning: That looks like an interpolated expression! Did you forget the interpolator? + def f = """Put the ${println("bippy")} in the bippy!""" // warn 2 + ^ +forgot-interpolator.scala:30: warning: `$beppo` looks like an interpolated identifier! Did you forget the interpolator? + def f = "$beppo was a marx bros who saw dollars." // warn 3 + ^ +forgot-interpolator.scala:34: warning: `$aleppo` looks like an interpolated identifier! Did you forget the interpolator? + def f = "$aleppo is a pepper and a city." // warn 4 + ^ +forgot-interpolator.scala:47: warning: `$hippo` looks like an interpolated identifier! Did you forget the interpolator? + def h = "$hippo takes an implicit" // warn 6 + ^ +forgot-interpolator.scala:88: warning: `$groucho` looks like an interpolated identifier! Did you forget the interpolator? + def f2 = "I salute $groucho" // warn 7 + ^ +forgot-interpolator.scala:89: warning: `$dingo` looks like an interpolated identifier! Did you forget the interpolator? + def f3 = "I even salute $dingo" // warn 8 + ^ +forgot-interpolator.scala:90: warning: `$calico` looks like an interpolated identifier! Did you forget the interpolator? + def f4 = "I also salute $calico" // warn 9 + ^ +error: No warnings can be incurred under -Xfatal-warnings. +8 warnings found +one error found diff --git a/tests/untried/neg/forgot-interpolator.flags b/tests/untried/neg/forgot-interpolator.flags new file mode 100644 index 000000000..7949c2afa --- /dev/null +++ b/tests/untried/neg/forgot-interpolator.flags @@ -0,0 +1 @@ +-Xlint -Xfatal-warnings diff --git a/tests/untried/neg/forgot-interpolator.scala b/tests/untried/neg/forgot-interpolator.scala new file mode 100644 index 000000000..a53054d89 --- /dev/null +++ b/tests/untried/neg/forgot-interpolator.scala @@ -0,0 +1,93 @@ +class A { + val bippy = 123 + + def f = "Put the $bippy in the $bippy!" // warn 1 +} + +class B { + val dingus = 123 + + def f = "Put the $bippy in the $bippy!" // no warn +} + +class C { + def f = """Put the ${println("bippy")} in the bippy!""" // warn 2 +} + +package object test { + def aleppo = 9 + def greppo(n: Int) = ??? + def zappos(n: Int)(implicit ord: math.Ordering[Int]) = ??? + def hippo(implicit n: Int) = ??? +} + +package test { + // not sure if overloading is kosher in pkg obj yet + class Doo { + def beppo(i: Int) = 8 * i + def beppo = 8 + class Dah extends Doo { + def f = "$beppo was a marx bros who saw dollars." // warn 3 + } + } + class E { + def f = "$aleppo is a pepper and a city." // warn 4 + def k = s"Just an interpolation of $aleppo" // no warn + } + class Bar { + private def bar = 8 + if (bar > 8) ??? // use it to avoid extra warning + } + class Baz extends Bar { + def f = "$bar is private, shall we warn just in case?" // no longer a warning, private members aren't inherited! + } + class G { + def g = "$greppo takes an arg" // no warn + def z = "$zappos takes an arg too" // no warn + def h = "$hippo takes an implicit" // warn 6 + } + class J { + def j = 8 + class J2 { + def j(i: Int) = 2 * i + def jj = "shadowed $j" // no warn + } + } + import annotation._ + @implicitNotFound("No Z in ${A}") // no warn + class Z[A] +} + + +package inf1 { + import scala.annotation.implicitNotFound + + @implicitNotFound(msg = "Cannot construct a collection of type ${To} with elements of type ${Elem} based on a collection of type ${From}.") // no warn + trait CannotBuildFrom[-From, -Elem, +To] +} + +package inf2 { + @scala.annotation.implicitNotFound(msg = "Cannot construct a collection of type ${To} with elements of type ${Elem} based on a collection of type ${From}.") // no warn + trait CannotBuildFrom[-From, -Elem, +To] +} + +package inf3 { + @scala.annotation.implicitNotFound("Cannot construct a collection of type ${To} with elements of type ${Elem} based on a collection of type ${From}.") // no warn + trait CannotBuildFrom[-From, -Elem, +To] +} + +package curry { + class A { + def bunko()(x: Int): Int = 5 + def groucho(): Int = 5 + def dingo()()()()()(): Int = 5 // kind of nuts this can be evaluated with just 'dingo', but okay + def calico[T1, T2]()()(): Int = 5 // even nutsier + def palomino[T1, T2]()(y: Int = 5)(): Int = 5 // even nutsier + + def f1 = "I was picked up by the $bunko squad" // no warn + def f2 = "I salute $groucho" // warn 7 + def f3 = "I even salute $dingo" // warn 8 + def f4 = "I also salute $calico" // warn 9 + def f5 = "I draw the line at $palomino" // no warn + } +} diff --git a/tests/untried/neg/forward.check b/tests/untried/neg/forward.check new file mode 100644 index 000000000..252c99037 --- /dev/null +++ b/tests/untried/neg/forward.check @@ -0,0 +1,10 @@ +forward.scala:6: error: forward reference extends over definition of value x + def f: Int = x; + ^ +forward.scala:10: error: forward reference extends over definition of value x + def f: Int = g; + ^ +forward.scala:15: error: forward reference extends over definition of variable x + def f: Int = g; + ^ +three errors found diff --git a/tests/untried/neg/forward.scala b/tests/untried/neg/forward.scala new file mode 100644 index 000000000..d5c0851f0 --- /dev/null +++ b/tests/untried/neg/forward.scala @@ -0,0 +1,24 @@ +object Test { + def f: Int = x; + val x: Int = f; + + { + def f: Int = x; + val x: Int = f; + } + { + def f: Int = g; + val x: Int = f; + def g: Int = x; + } + { + def f: Int = g; + var x: Int = f; + def g: Int = x; + } + { + def f: Int = g; + Console.println("foo"); + def g: Int = f; + } +} diff --git a/tests/untried/neg/found-req-variance.check b/tests/untried/neg/found-req-variance.check new file mode 100644 index 000000000..cc26458ac --- /dev/null +++ b/tests/untried/neg/found-req-variance.check @@ -0,0 +1,185 @@ +found-req-variance.scala:22: error: type mismatch; + found : Inv[B] + required: Inv[A] +Note: B <: A, but class Inv is invariant in type T. +You may wish to define T as +T instead. (SLS 4.5) + def f2 = Set[Inv[A]]() + new Inv[B] + ^ +found-req-variance.scala:23: error: type mismatch; + found : Inv[C] + required: Inv[A] +Note: C <: A, but class Inv is invariant in type T. +You may wish to define T as +T instead. (SLS 4.5) + def f3 = Set[Inv[A]]() + new Inv[C] + ^ +found-req-variance.scala:24: error: type mismatch; + found : Inv[A] + required: Inv[B] +Note: A >: B, but class Inv is invariant in type T. +You may wish to define T as -T instead. (SLS 4.5) + def f4 = Set[Inv[B]]() + new Inv[A] + ^ +found-req-variance.scala:26: error: type mismatch; + found : Inv[C] + required: Inv[B] +Note: C <: B, but class Inv is invariant in type T. +You may wish to define T as +T instead. (SLS 4.5) + def f6 = Set[Inv[B]]() + new Inv[C] + ^ +found-req-variance.scala:27: error: type mismatch; + found : Inv[A] + required: Inv[C] +Note: A >: C, but class Inv is invariant in type T. +You may wish to define T as -T instead. (SLS 4.5) + def f7 = Set[Inv[C]]() + new Inv[A] + ^ +found-req-variance.scala:28: error: type mismatch; + found : Inv[B] + required: Inv[C] +Note: B >: C, but class Inv is invariant in type T. +You may wish to define T as -T instead. (SLS 4.5) + def f8 = Set[Inv[C]]() + new Inv[B] + ^ +found-req-variance.scala:34: error: type mismatch; + found : MultiInv[A] + required: Multi[A,B,C] +Note: A >: B (and MultiInv[A] <: Multi[A,A,C]), but class Multi is invariant in type Inv. +You may wish to define Inv as -Inv instead. (SLS 4.5) + def g4 = Set[Multi[A, B, C]]() + new MultiInv[A] + ^ +found-req-variance.scala:36: error: type mismatch; + found : MultiInv[C] + required: Multi[A,B,C] +Note: C <: B (and MultiInv[C] <: Multi[A,C,C]), but class Multi is invariant in type Inv. +You may wish to define Inv as +Inv instead. (SLS 4.5) + def g6 = Set[Multi[A, B, C]]() + new MultiInv[C] + ^ +found-req-variance.scala:47: error: type mismatch; + found : FF1[A,A] + required: FF1[B,B] + def ff1 = f[B, B](h[A, A]) // fail + ^ +found-req-variance.scala:48: error: type mismatch; + found : FF1[B,A] + required: FF1[B,B] + def ff2 = f[B, B](h[B, A]) // fail + ^ +found-req-variance.scala:49: error: type mismatch; + found : FF1[C,A] + required: FF1[B,B] + def ff3 = f[B, B](h[C, A]) // fail + ^ +found-req-variance.scala:50: error: type mismatch; + found : FF1[A,B] + required: FF1[B,B] +Note: A >: B, but trait FF1 is invariant in type T. +You may wish to define T as -T instead. (SLS 4.5) + def ff4 = f[B, B](h[A, B]) // suggest + ^ +found-req-variance.scala:52: error: type mismatch; + found : FF1[C,B] + required: FF1[B,B] +Note: C <: B, but trait FF1 is invariant in type T. +You may wish to define T as +T instead. (SLS 4.5) + def ff6 = f[B, B](h[C, B]) // suggest + ^ +found-req-variance.scala:53: error: type mismatch; + found : FF1[A,C] + required: FF1[B,B] +Note: A >: B, but trait FF1 is invariant in type T. +You may wish to define T as -T instead. (SLS 4.5) + def ff7 = f[B, B](h[A, C]) // suggest + ^ +found-req-variance.scala:55: error: type mismatch; + found : FF1[C,C] + required: FF1[B,B] +Note: C <: B, but trait FF1 is invariant in type T. +You may wish to define T as +T instead. (SLS 4.5) + def ff9 = f[B, B](h[C, C]) // suggest + ^ +found-req-variance.scala:61: error: type mismatch; + found : FF2[A,A] + required: FF2[B,B] +Note: A >: B, but trait FF2 is invariant in type R. +You may wish to define R as -R instead. (SLS 4.5) + def ff1 = f[B, B](h[A, A]) // suggest + ^ +found-req-variance.scala:62: error: type mismatch; + found : FF2[B,A] + required: FF2[B,B] +Note: A >: B, but trait FF2 is invariant in type R. +You may wish to define R as -R instead. (SLS 4.5) + def ff2 = f[B, B](h[B, A]) // suggest + ^ +found-req-variance.scala:63: error: type mismatch; + found : FF2[C,A] + required: FF2[B,B] + def ff3 = f[B, B](h[C, A]) // fail + ^ +found-req-variance.scala:66: error: type mismatch; + found : FF2[C,B] + required: FF2[B,B] + def ff6 = f[B, B](h[C, B]) // fail + ^ +found-req-variance.scala:67: error: type mismatch; + found : FF2[A,C] + required: FF2[B,B] +Note: C <: B, but trait FF2 is invariant in type R. +You may wish to define R as +R instead. (SLS 4.5) + def ff7 = f[B, B](h[A, C]) // suggest + ^ +found-req-variance.scala:68: error: type mismatch; + found : FF2[B,C] + required: FF2[B,B] +Note: C <: B, but trait FF2 is invariant in type R. +You may wish to define R as +R instead. (SLS 4.5) + def ff8 = f[B, B](h[B, C]) // suggest + ^ +found-req-variance.scala:69: error: type mismatch; + found : FF2[C,C] + required: FF2[B,B] + def ff9 = f[B, B](h[C, C]) // fail + ^ +found-req-variance.scala:86: error: type mismatch; + found : java.util.ArrayList[String] + required: java.util.List[AnyRef] +Note: String <: AnyRef, but Java-defined trait List is invariant in type E. +You may wish to investigate a wildcard type such as `_ <: AnyRef`. (SLS 3.2.10) + def g1 = f[AnyRef](new java.util.ArrayList[String] { }) + ^ +found-req-variance.scala:87: error: type mismatch; + found : scala.math.Ordering[AnyRef] + required: java.util.Comparator[String] +Note: AnyRef >: String, but Java-defined trait Comparator is invariant in type T. +You may wish to investigate a wildcard type such as `_ >: String`. (SLS 3.2.10) + def g2 = g[String](Ordering.fromLessThan[AnyRef](_.toString < _.toString)) + ^ +found-req-variance.scala:94: error: type mismatch; + found : Misc.MyData + required: Misc.Data[AnyVal] +Note: Int <: AnyVal (and Misc.MyData <: Misc.Data[Int]), but class Data is invariant in type A. +You may wish to define A as +A instead. (SLS 4.5) + def f1 = Set[Data[AnyVal]]() + new MyData + ^ +found-req-variance.scala:100: error: type mismatch; + found : Set[String] + required: Set[CharSequence] +Note: String <: CharSequence, but trait Set is invariant in type A. +You may wish to investigate a wildcard type such as `_ <: CharSequence`. (SLS 3.2.10) + foo(s) + ^ +found-req-variance.scala:104: error: type mismatch; + found : Misc.Trippy[String,String,String] + required: Misc.Trippy[Object,Object,Object] +Note: String <: Object, but class Trippy is invariant in type T2. +You may wish to define T2 as +T2 instead. (SLS 4.5) + def g1 = Set[Trippy[AnyRef, AnyRef, AnyRef]]() + new Trippy[String, String, String] + ^ +found-req-variance.scala:105: error: type mismatch; + found : scala.collection.immutable.Map[AnyRef,String] + required: Map[String,String] +Note: AnyRef >: String, but trait Map is invariant in type A. +You may wish to investigate a wildcard type such as `_ >: String`. (SLS 3.2.10) + def g2 = Set[Map[String, String]]() + Map[AnyRef, String]() + ^ +28 errors found diff --git a/tests/untried/neg/found-req-variance.scala b/tests/untried/neg/found-req-variance.scala new file mode 100644 index 000000000..de460f2d0 --- /dev/null +++ b/tests/untried/neg/found-req-variance.scala @@ -0,0 +1,106 @@ +import scala.collection.mutable.ListBuffer + +class A +class B extends A +class C extends B + +trait FF1[T, +R] +trait FF2[-T, R] + +class Inv[T] +class InvA extends Inv[A] +class InvB extends Inv[B] +class InvC extends Inv[C] + +class Multi[+Cov, Inv, -Con] +class MultiCov[+T <: A] extends Multi[T, B, C] +class MultiInv[T] extends Multi[A, T, C] +class MultiCon[-T >: C] extends Multi[A, B, T] + +object Test { + def f1 = Set[Inv[A]]() + new Inv[A] + def f2 = Set[Inv[A]]() + new Inv[B] + def f3 = Set[Inv[A]]() + new Inv[C] + def f4 = Set[Inv[B]]() + new Inv[A] + def f5 = Set[Inv[B]]() + new Inv[B] + def f6 = Set[Inv[B]]() + new Inv[C] + def f7 = Set[Inv[C]]() + new Inv[A] + def f8 = Set[Inv[C]]() + new Inv[B] + def f9 = Set[Inv[C]]() + new Inv[C] + + def g1 = Set[Multi[A, B, C]]() + new MultiCov[A] + def g2 = Set[Multi[A, B, C]]() + new MultiCov[B] + def g3 = Set[Multi[A, B, C]]() + new MultiCov[C] + def g4 = Set[Multi[A, B, C]]() + new MultiInv[A] + def g5 = Set[Multi[A, B, C]]() + new MultiInv[B] + def g6 = Set[Multi[A, B, C]]() + new MultiInv[C] + def g7 = Set[Multi[A, B, C]]() + new MultiCon[A] + def g8 = Set[Multi[A, B, C]]() + new MultiCon[B] + def g9 = Set[Multi[A, B, C]]() + new MultiCon[C] +} + +object Functions { + object Set1 { + def f[T, R](x: FF1[T, R]) = () + def h[T, R] : FF1[T, R] = sys.error("") + + def ff1 = f[B, B](h[A, A]) // fail + def ff2 = f[B, B](h[B, A]) // fail + def ff3 = f[B, B](h[C, A]) // fail + def ff4 = f[B, B](h[A, B]) // suggest + def ff5 = f[B, B](h[B, B]) // ok + def ff6 = f[B, B](h[C, B]) // suggest + def ff7 = f[B, B](h[A, C]) // suggest + def ff8 = f[B, B](h[B, C]) // ok + def ff9 = f[B, B](h[C, C]) // suggest + } + object Set2 { + def f[T, R](x: FF2[T, R]) = () + def h[T, R] : FF2[T, R] = sys.error("") + + def ff1 = f[B, B](h[A, A]) // suggest + def ff2 = f[B, B](h[B, A]) // suggest + def ff3 = f[B, B](h[C, A]) // fail + def ff4 = f[B, B](h[A, B]) // ok + def ff5 = f[B, B](h[B, B]) // ok + def ff6 = f[B, B](h[C, B]) // fail + def ff7 = f[B, B](h[A, C]) // suggest + def ff8 = f[B, B](h[B, C]) // suggest + def ff9 = f[B, B](h[C, C]) // fail + } +} + +// TODO +// object TypeAlias { +// type LL[T] = List[T] +// val LL = List +// +// def f1 = Set[LL[B]]() + LL[A](new A) +// def f2 = Set[LL[B]]() + LL[C](new C) +// } + +object Javas { + def f[T](x: java.util.List[T]) = () + def g[T](x: java.util.Comparator[T]) = () + + def g1 = f[AnyRef](new java.util.ArrayList[String] { }) + def g2 = g[String](Ordering.fromLessThan[AnyRef](_.toString < _.toString)) +} + +object Misc { + // original motivation + class Data[A <: AnyVal] + class MyData extends Data[Int] { } + def f1 = Set[Data[AnyVal]]() + new MyData + + // from stackoverflow + def foo(s: Set[CharSequence]): Unit = () + def f4 = { + val s: Set[String] = Set("Hello", "World"); + foo(s) + } + + class Trippy[+T1, T2, +T3] + def g1 = Set[Trippy[AnyRef, AnyRef, AnyRef]]() + new Trippy[String, String, String] + def g2 = Set[Map[String, String]]() + Map[AnyRef, String]() +} diff --git a/tests/untried/neg/gadts1.check b/tests/untried/neg/gadts1.check new file mode 100644 index 000000000..9b7ea5556 --- /dev/null +++ b/tests/untried/neg/gadts1.check @@ -0,0 +1,9 @@ +gadts1.scala:20: error: Test.Cell[a] does not take parameters + case Cell[a](x: Int) => c.x = 5 + ^ +gadts1.scala:20: error: type mismatch; + found : Int(5) + required: a + case Cell[a](x: Int) => c.x = 5 + ^ +two errors found diff --git a/tests/untried/neg/gadts1.scala b/tests/untried/neg/gadts1.scala new file mode 100644 index 000000000..08403e6ee --- /dev/null +++ b/tests/untried/neg/gadts1.scala @@ -0,0 +1,33 @@ +object Test{ + +abstract class Number +case class Int(n: scala.Int) extends Number +case class Double(d: scala.Double) extends Number + +trait Term[+a] +case class Cell[a](var x: a) extends Term[a] +case class NumTerm(val n: Number) extends Term[Number] +class IntTerm(n: Int) extends NumTerm(n) with Term[Int] + + +def f[a](t:Term[a], c:Cell[a]): Unit = { + t match { + case NumTerm(n) => c.x = Double(1.0) + } + t match { + // presently testing that this gets past the parser: eventually + // it should actually work. + case Cell[a](x: Int) => c.x = 5 + } +} + + +val x:Term[Number] = NumTerm(Int(5)) + +def main(args: Array[String]): Unit = { + val cell = Cell[Int](Int(6)) + Console.println(cell) + f[Int](new IntTerm(Int(5)), cell) + Console.println(cell) +} +} diff --git a/tests/untried/neg/gadts2-strict.check b/tests/untried/neg/gadts2-strict.check new file mode 100644 index 000000000..960b35ed2 --- /dev/null +++ b/tests/untried/neg/gadts2-strict.check @@ -0,0 +1,6 @@ +gadts2-strict.scala:14: error: type mismatch; + found : Test.MyDouble + required: a + case NumTerm(n) => c.x = MyDouble(1.0) + ^ +one error found diff --git a/tests/untried/neg/gadts2-strict.flags b/tests/untried/neg/gadts2-strict.flags new file mode 100644 index 000000000..19243266d --- /dev/null +++ b/tests/untried/neg/gadts2-strict.flags @@ -0,0 +1 @@ +-Xstrict-inference
\ No newline at end of file diff --git a/tests/untried/neg/gadts2-strict.scala b/tests/untried/neg/gadts2-strict.scala new file mode 100644 index 000000000..0edceca7f --- /dev/null +++ b/tests/untried/neg/gadts2-strict.scala @@ -0,0 +1,26 @@ +// A copy of pos/gadts2, which must fail under -Xstrict-inference. +object Test { + + abstract class Number + case class MyInt(n: Int) extends Number + case class MyDouble(d: Double) extends Number + + trait Term[a] + case class Cell[a](var x: a) extends Term[a] + final case class NumTerm(val n: Number) extends Term[Number] + + def f[a](t: Term[a], c: Cell[a]): Unit = { + t match { + case NumTerm(n) => c.x = MyDouble(1.0) + } + } + + val x: Term[Number] = NumTerm(MyInt(5)) + + def main(args: Array[String]): Unit = { + val cell = Cell[Number](MyInt(6)) + Console.println(cell) + f[Number](new NumTerm(MyInt(5)), cell) + Console.println(cell) + } +} diff --git a/tests/untried/neg/gadts2.check b/tests/untried/neg/gadts2.check new file mode 100644 index 000000000..dc21f3f52 --- /dev/null +++ b/tests/untried/neg/gadts2.check @@ -0,0 +1,6 @@ +gadts2.scala:7: error: type mismatch; + found : String("abc") + required: B + (s1: Super[Any]) match { case Sub(f) => f("abc") } + ^ +one error found diff --git a/tests/untried/neg/gadts2.flags b/tests/untried/neg/gadts2.flags new file mode 100644 index 000000000..19243266d --- /dev/null +++ b/tests/untried/neg/gadts2.flags @@ -0,0 +1 @@ +-Xstrict-inference
\ No newline at end of file diff --git a/tests/untried/neg/gadts2.scala b/tests/untried/neg/gadts2.scala new file mode 100644 index 000000000..156944b8d --- /dev/null +++ b/tests/untried/neg/gadts2.scala @@ -0,0 +1,12 @@ +trait Super[+A] +case class Sub[B](f: B => B) extends Super[B] + +object Test extends App { + val s1 = Sub((x: Int) => x) + + (s1: Super[Any]) match { case Sub(f) => f("abc") } +} +// java.lang.ClassCastException: java.lang.String cannot be cast to java.lang.Integer +// at scala.runtime.BoxesRunTime.unboxToInt(BoxesRunTime.java:105) +// at Test$$anonfun$1.apply(a.scala:5) +// at Test$.delayedEndpoint$Test$1(a.scala:7) diff --git a/tests/untried/neg/higherkind_novalue.check b/tests/untried/neg/higherkind_novalue.check new file mode 100644 index 000000000..932f7876b --- /dev/null +++ b/tests/untried/neg/higherkind_novalue.check @@ -0,0 +1,7 @@ +higherkind_novalue.scala:2: error: type m takes type parameters + val x: m // type of kind *->* doesn't classify a value, but a val/def/... can only contain/return a value + ^ +higherkind_novalue.scala:3: error: type m takes type parameters + def y: m + ^ +two errors found diff --git a/tests/untried/neg/higherkind_novalue.scala b/tests/untried/neg/higherkind_novalue.scala new file mode 100644 index 000000000..9c1480c3b --- /dev/null +++ b/tests/untried/neg/higherkind_novalue.scala @@ -0,0 +1,4 @@ +abstract class HigherKind[m[s]] { + val x: m // type of kind *->* doesn't classify a value, but a val/def/... can only contain/return a value + def y: m +} diff --git a/tests/untried/neg/hk-bad-bounds.check b/tests/untried/neg/hk-bad-bounds.check new file mode 100644 index 000000000..d6293993c --- /dev/null +++ b/tests/untried/neg/hk-bad-bounds.check @@ -0,0 +1,4 @@ +hk-bad-bounds.scala:4: error: type arguments [Set] do not conform to class SeqFactory's type parameter bounds [CC[X] <: Seq[X] with scala.collection.generic.GenericTraversableTemplate[X,CC]] + def f(x: Boolean) = if (x) (null: SeqFactory[List]) else (null: SeqFactory[Set]) + ^ +one error found diff --git a/tests/untried/neg/hk-bad-bounds.scala b/tests/untried/neg/hk-bad-bounds.scala new file mode 100644 index 000000000..0ed0b4c38 --- /dev/null +++ b/tests/untried/neg/hk-bad-bounds.scala @@ -0,0 +1,5 @@ +import collection.generic.SeqFactory + +class A { + def f(x: Boolean) = if (x) (null: SeqFactory[List]) else (null: SeqFactory[Set]) +} diff --git a/tests/untried/neg/illegal-stmt-start.check b/tests/untried/neg/illegal-stmt-start.check new file mode 100644 index 000000000..01747524f --- /dev/null +++ b/tests/untried/neg/illegal-stmt-start.check @@ -0,0 +1,4 @@ +illegal-stmt-start.scala:3: error: illegal start of statement (no modifiers allowed here) + private def bar {} + ^ +one error found diff --git a/tests/untried/neg/illegal-stmt-start.scala b/tests/untried/neg/illegal-stmt-start.scala new file mode 100644 index 000000000..48ae0a8b0 --- /dev/null +++ b/tests/untried/neg/illegal-stmt-start.scala @@ -0,0 +1,5 @@ +class Test { + def foo { + private def bar {} + } +}
\ No newline at end of file diff --git a/tests/untried/neg/imp2.check b/tests/untried/neg/imp2.check new file mode 100644 index 000000000..999cecf16 --- /dev/null +++ b/tests/untried/neg/imp2.check @@ -0,0 +1,7 @@ +imp2.scala:18: error: reference to f is ambiguous; +it is imported twice in the same scope by +import b._ +and import a._ + val x = f + ^ +one error found diff --git a/tests/untried/neg/imp2.scala b/tests/untried/neg/imp2.scala new file mode 100644 index 000000000..993726218 --- /dev/null +++ b/tests/untried/neg/imp2.scala @@ -0,0 +1,19 @@ +abstract class C { + val f: Int +} + +object A extends C { + val f = 1 +} + +object B extends C { + val f = 2 +} + +object Test { + val a: C = A; + val b: C = B; + import a._ + import b._ + val x = f +} diff --git a/tests/untried/neg/implicit-shadow.check b/tests/untried/neg/implicit-shadow.check new file mode 100644 index 000000000..042fca867 --- /dev/null +++ b/tests/untried/neg/implicit-shadow.check @@ -0,0 +1,11 @@ +implicit-shadow.scala:4: <i2s: error> is not a valid implicit value for Int(1) => ?{def isEmpty: ?} because: +reference to i2s is ambiguous; +it is imported twice in the same scope by +import C._ +and import B._ + 1.isEmpty + ^ +implicit-shadow.scala:4: error: value isEmpty is not a member of Int + 1.isEmpty + ^ +one error found diff --git a/tests/untried/neg/implicit-shadow.flags b/tests/untried/neg/implicit-shadow.flags new file mode 100644 index 000000000..44842a9d6 --- /dev/null +++ b/tests/untried/neg/implicit-shadow.flags @@ -0,0 +1 @@ +-Xlog-implicits diff --git a/tests/untried/neg/implicit-shadow.scala b/tests/untried/neg/implicit-shadow.scala new file mode 100644 index 000000000..ec7f70b6d --- /dev/null +++ b/tests/untried/neg/implicit-shadow.scala @@ -0,0 +1,13 @@ +object Test { + import B._, C._ + + 1.isEmpty +} + +trait A { + implicit def i2s(i: Int): String = "" +} + +object B extends A + +object C extends A diff --git a/tests/untried/neg/implicits.check b/tests/untried/neg/implicits.check new file mode 100644 index 000000000..6d61f7f22 --- /dev/null +++ b/tests/untried/neg/implicits.check @@ -0,0 +1,14 @@ +implicits.scala:38: error: type mismatch; + found : test2.HSome[String,test2.HMap] + required: Int + foo(set) + ^ +implicits.scala:46: error: type mismatch; + found : List[Any] + required: List[Mxml] + children.toList.flatMap ( e => { + ^ +implicits.scala:66: error: could not find implicit value for parameter x: Nothing + foo { + ^ +three errors found diff --git a/tests/untried/neg/implicits.scala b/tests/untried/neg/implicits.scala new file mode 100644 index 000000000..22633a1f3 --- /dev/null +++ b/tests/untried/neg/implicits.scala @@ -0,0 +1,74 @@ +class Pos + +class Super + +object Super { + implicit def pos2int(p: Pos): Int = 0 +} + +object Sub extends Super { + class Plus(x: Any) { + def +(y: String): String = x.toString + y + } + implicit def any2plus(x: Any): Plus = new Plus(x) +} + +object Test { + import Super._ + import Sub._ + val p = new Pos + def f(x: Int): Int = x + f(p+1) +} + +object test2 { + sealed trait HMap { + def +[T](v: T) = HSome(v,this) + } + + final case class HSome[T, L <: HMap](head: T, tail: L) extends HMap + + final object HEmpty extends HMap + + val set = HEmpty + 3 + "3" + implicit def select[T](t: HSome[T,_]) = t.head + implicit def selectTail[L](t: HSome[_,L]) = t.tail + + def foo(x: Int) = 3 + foo(set) +} + +// #2180 +class Mxml { + + private def processChildren( children:Seq[Any] ):List[Mxml] = { + + children.toList.flatMap ( e => { + + e match { + + case s:scala.collection.Traversable[_] => s case a => List(a) + + } + + }) + + } + +} + +// SI-5316 +class Test3 { + def foo(p: => Any)(implicit x: Nothing): Unit = () + + object X + + foo { + val a = 0 + + { + import X._ + a + } + } +} diff --git a/tests/untried/neg/import-precedence.check b/tests/untried/neg/import-precedence.check new file mode 100644 index 000000000..5f9961105 --- /dev/null +++ b/tests/untried/neg/import-precedence.check @@ -0,0 +1,19 @@ +import-precedence.scala:18: error: reference to X is ambiguous; +it is imported twice in the same scope by +import uniq1.uniq2._ +and import uniq1.X + object Y { def f = X } + ^ +import-precedence.scala:61: error: reference to X is ambiguous; +it is imported twice in the same scope by +import uniq1.uniq2._ +and import uniq1._ + object Y { def f = X } + ^ +import-precedence.scala:67: error: reference to X is ambiguous; +it is imported twice in the same scope by +import uniq1.uniq2.X +and import uniq1.X + object Y { def f = X } + ^ +three errors found diff --git a/tests/untried/neg/import-precedence.scala b/tests/untried/neg/import-precedence.scala new file mode 100644 index 000000000..0401635e3 --- /dev/null +++ b/tests/untried/neg/import-precedence.scala @@ -0,0 +1,68 @@ +package uniq1 { + object X + package uniq2 { + object X + package uniq3 { + object X + package uniq4 { + object X + } + } + } +} + +package p1 { + import uniq1.X + package p2 { + import uniq1.uniq2._ + object Y { def f = X } + } +} + +package p2 { + import uniq1.uniq2._ + package p2 { + import uniq1.X + object Y { def f = X } + } +} + +package p3 { + import uniq1.X + import uniq1.uniq2._ + object Y { def f = X } +} + +package p4 { + import uniq1.uniq2._ + import uniq1.X + object Y { def f = X } +} + +package p5 { + import uniq1.X + package p6 { + import uniq1.uniq2.X + object Y { def f = X } + } +} + +package p6 { + import uniq1._ + package p5 { + import uniq1.uniq2._ + object Y { def f = X } + } +} + +package p7 { + import uniq1._ + import uniq1.uniq2._ + object Y { def f = X } +} + +package p8 { + import uniq1.X + import uniq1.uniq2.X + object Y { def f = X } +} diff --git a/tests/untried/neg/infix-op-positions.check b/tests/untried/neg/infix-op-positions.check new file mode 100644 index 000000000..1bff9b941 --- /dev/null +++ b/tests/untried/neg/infix-op-positions.check @@ -0,0 +1,7 @@ +infix-op-positions.scala:2: error: value -! is not a member of Option[Int] + Option(1) -! "test" // left associative operator + ^ +infix-op-positions.scala:3: error: value -!: is not a member of Option[Int] + "test" -!: Option(1) // right associative operators + ^ +two errors found diff --git a/tests/untried/neg/infix-op-positions.scala b/tests/untried/neg/infix-op-positions.scala new file mode 100644 index 000000000..16351b0ab --- /dev/null +++ b/tests/untried/neg/infix-op-positions.scala @@ -0,0 +1,4 @@ +object Test { + Option(1) -! "test" // left associative operator + "test" -!: Option(1) // right associative operators +} diff --git a/tests/untried/neg/interop_abstypetags_arenot_classmanifests.check b/tests/untried/neg/interop_abstypetags_arenot_classmanifests.check new file mode 100644 index 000000000..d15e33346 --- /dev/null +++ b/tests/untried/neg/interop_abstypetags_arenot_classmanifests.check @@ -0,0 +1,4 @@ +interop_abstypetags_arenot_classmanifests.scala:5: error: No ClassManifest available for T. + println(classManifest[T]) + ^ +one error found diff --git a/tests/untried/neg/interop_abstypetags_arenot_classmanifests.scala b/tests/untried/neg/interop_abstypetags_arenot_classmanifests.scala new file mode 100644 index 000000000..6b05eddf7 --- /dev/null +++ b/tests/untried/neg/interop_abstypetags_arenot_classmanifests.scala @@ -0,0 +1,11 @@ +import scala.reflect.runtime.universe._ + +object Test extends App { + def weakTypeTagIsnotClassManifest[T: WeakTypeTag] = { + println(classManifest[T]) + } + + weakTypeTagIsnotClassManifest[Int] + weakTypeTagIsnotClassManifest[String] + weakTypeTagIsnotClassManifest[Array[Int]] +} diff --git a/tests/untried/neg/interop_abstypetags_arenot_classtags.check b/tests/untried/neg/interop_abstypetags_arenot_classtags.check new file mode 100644 index 000000000..3aa7a50b5 --- /dev/null +++ b/tests/untried/neg/interop_abstypetags_arenot_classtags.check @@ -0,0 +1,4 @@ +interop_abstypetags_arenot_classtags.scala:6: error: No ClassTag available for T + println(classTag[T]) + ^ +one error found diff --git a/tests/untried/neg/interop_abstypetags_arenot_classtags.scala b/tests/untried/neg/interop_abstypetags_arenot_classtags.scala new file mode 100644 index 000000000..7e049bf65 --- /dev/null +++ b/tests/untried/neg/interop_abstypetags_arenot_classtags.scala @@ -0,0 +1,12 @@ +import scala.reflect.runtime.universe._ +import scala.reflect.{ClassTag, classTag} + +object Test extends App { + def weakTypeTagIsnotClassTag[T: WeakTypeTag] = { + println(classTag[T]) + } + + weakTypeTagIsnotClassTag[Int] + weakTypeTagIsnotClassTag[String] + weakTypeTagIsnotClassTag[Array[Int]] +} diff --git a/tests/untried/neg/interop_abstypetags_arenot_manifests.check b/tests/untried/neg/interop_abstypetags_arenot_manifests.check new file mode 100644 index 000000000..5916b6874 --- /dev/null +++ b/tests/untried/neg/interop_abstypetags_arenot_manifests.check @@ -0,0 +1,4 @@ +interop_abstypetags_arenot_manifests.scala:5: error: No Manifest available for T. + println(manifest[T]) + ^ +one error found diff --git a/tests/untried/neg/interop_abstypetags_arenot_manifests.scala b/tests/untried/neg/interop_abstypetags_arenot_manifests.scala new file mode 100644 index 000000000..1f934e0bb --- /dev/null +++ b/tests/untried/neg/interop_abstypetags_arenot_manifests.scala @@ -0,0 +1,11 @@ +import scala.reflect.runtime.universe._ + +object Test extends App { + def weakTypeTagIsnotManifest[T: WeakTypeTag] = { + println(manifest[T]) + } + + weakTypeTagIsnotManifest[Int] + weakTypeTagIsnotManifest[String] + weakTypeTagIsnotManifest[Array[Int]] +} diff --git a/tests/untried/neg/interop_classmanifests_arenot_typetags.check b/tests/untried/neg/interop_classmanifests_arenot_typetags.check new file mode 100644 index 000000000..db8e57981 --- /dev/null +++ b/tests/untried/neg/interop_classmanifests_arenot_typetags.check @@ -0,0 +1,4 @@ +interop_classmanifests_arenot_typetags.scala:5: error: No TypeTag available for T + println(implicitly[TypeTag[T]]) + ^ +one error found diff --git a/tests/untried/neg/interop_classmanifests_arenot_typetags.scala b/tests/untried/neg/interop_classmanifests_arenot_typetags.scala new file mode 100644 index 000000000..b89feaf80 --- /dev/null +++ b/tests/untried/neg/interop_classmanifests_arenot_typetags.scala @@ -0,0 +1,11 @@ +import scala.reflect.runtime.universe._ + +object Test extends App { + def classManifestIsnotTypeTag[T: ClassManifest] = { + println(implicitly[TypeTag[T]]) + } + + classManifestIsnotTypeTag[Int] + classManifestIsnotTypeTag[String] + classManifestIsnotTypeTag[Array[Int]] +} diff --git a/tests/untried/neg/interop_classtags_arenot_manifests.check b/tests/untried/neg/interop_classtags_arenot_manifests.check new file mode 100644 index 000000000..fa805b591 --- /dev/null +++ b/tests/untried/neg/interop_classtags_arenot_manifests.check @@ -0,0 +1,4 @@ +interop_classtags_arenot_manifests.scala:5: error: No Manifest available for T. + println(manifest[T]) + ^ +one error found diff --git a/tests/untried/neg/interop_classtags_arenot_manifests.scala b/tests/untried/neg/interop_classtags_arenot_manifests.scala new file mode 100644 index 000000000..3555118d6 --- /dev/null +++ b/tests/untried/neg/interop_classtags_arenot_manifests.scala @@ -0,0 +1,11 @@ +import scala.reflect.{ClassTag, classTag} + +object Test extends App { + def classTagIsnotManifest[T: ClassTag] = { + println(manifest[T]) + } + + classTagIsnotManifest[Int] + classTagIsnotManifest[String] + classTagIsnotManifest[Array[Int]] +} diff --git a/tests/untried/neg/interop_typetags_arenot_classmanifests.check b/tests/untried/neg/interop_typetags_arenot_classmanifests.check new file mode 100644 index 000000000..88fb1647e --- /dev/null +++ b/tests/untried/neg/interop_typetags_arenot_classmanifests.check @@ -0,0 +1,4 @@ +interop_typetags_arenot_classmanifests.scala:5: error: No ClassManifest available for T. + println(classManifest[T]) + ^ +one error found diff --git a/tests/untried/neg/interop_typetags_arenot_classmanifests.scala b/tests/untried/neg/interop_typetags_arenot_classmanifests.scala new file mode 100644 index 000000000..04857aaa6 --- /dev/null +++ b/tests/untried/neg/interop_typetags_arenot_classmanifests.scala @@ -0,0 +1,11 @@ +import scala.reflect.runtime.universe._ + +object Test extends App { + def typeTagIsnotClassManifest[T: TypeTag] = { + println(classManifest[T]) + } + + typeTagIsnotClassManifest[Int] + typeTagIsnotClassManifest[String] + typeTagIsnotClassManifest[Array[Int]] +} diff --git a/tests/untried/neg/interop_typetags_arenot_classtags.check b/tests/untried/neg/interop_typetags_arenot_classtags.check new file mode 100644 index 000000000..1d1fb15f9 --- /dev/null +++ b/tests/untried/neg/interop_typetags_arenot_classtags.check @@ -0,0 +1,4 @@ +interop_typetags_arenot_classtags.scala:6: error: No ClassTag available for T + println(classTag[T]) + ^ +one error found diff --git a/tests/untried/neg/interop_typetags_arenot_classtags.scala b/tests/untried/neg/interop_typetags_arenot_classtags.scala new file mode 100644 index 000000000..f5bd75fb3 --- /dev/null +++ b/tests/untried/neg/interop_typetags_arenot_classtags.scala @@ -0,0 +1,12 @@ +import scala.reflect.runtime.universe._ +import scala.reflect.{ClassTag, classTag} + +object Test extends App { + def typeTagIsnotClassTag[T: TypeTag] = { + println(classTag[T]) + } + + typeTagIsnotClassTag[Int] + typeTagIsnotClassTag[String] + typeTagIsnotClassTag[Array[Int]] +} diff --git a/tests/untried/neg/interop_typetags_without_classtags_arenot_manifests.check b/tests/untried/neg/interop_typetags_without_classtags_arenot_manifests.check new file mode 100644 index 000000000..ba744a883 --- /dev/null +++ b/tests/untried/neg/interop_typetags_without_classtags_arenot_manifests.check @@ -0,0 +1,6 @@ +interop_typetags_without_classtags_arenot_manifests.scala:6: error: to create a manifest here, it is necessary to interoperate with the type tag `evidence$1` in scope. +however typetag -> manifest conversion requires a class tag for the corresponding type to be present. +to proceed add a class tag to the type `T` (e.g. by introducing a context bound) and recompile. + println(manifest[T]) + ^ +one error found diff --git a/tests/untried/neg/interop_typetags_without_classtags_arenot_manifests.scala b/tests/untried/neg/interop_typetags_without_classtags_arenot_manifests.scala new file mode 100644 index 000000000..ec69c1460 --- /dev/null +++ b/tests/untried/neg/interop_typetags_without_classtags_arenot_manifests.scala @@ -0,0 +1,12 @@ +import scala.reflect.runtime.universe._ +import scala.reflect.ClassTag + +object Test extends App { + def typeTagWithoutClassTagIsnotManifest[T: TypeTag] = { + println(manifest[T]) + } + + typeTagWithoutClassTagIsnotManifest[Int] + typeTagWithoutClassTagIsnotManifest[String] + typeTagWithoutClassTagIsnotManifest[Array[Int]] +} diff --git a/tests/untried/neg/java-access-neg.check b/tests/untried/neg/java-access-neg.check new file mode 100644 index 000000000..af2812b57 --- /dev/null +++ b/tests/untried/neg/java-access-neg.check @@ -0,0 +1,16 @@ +S2.scala:12: error: method packageAbstract overrides nothing + override private[b] def packageAbstract() = () // fail + ^ +S2.scala:16: error: method packageConcrete overrides nothing + override private[b] def packageConcrete() = () // fail + ^ +S2.scala:36: error: method packageConcrete overrides nothing + override protected[b] def packageConcrete() = () // fail + ^ +S2.scala:47: error: method packageConcrete overrides nothing + override private[a] def packageConcrete() = () // fail + ^ +S2.scala:58: error: method packageConcrete overrides nothing + override def packageConcrete() = () // fail + ^ +5 errors found diff --git a/tests/untried/neg/java-access-neg/J.java b/tests/untried/neg/java-access-neg/J.java new file mode 100644 index 000000000..b6bc3363a --- /dev/null +++ b/tests/untried/neg/java-access-neg/J.java @@ -0,0 +1,15 @@ +package a.b; + +public abstract class J { + public J() { } + J(int x1) { } + protected J(int x1, int x2) { } + + abstract void packageAbstract(); + protected abstract void protectedAbstract(); + public abstract void publicAbstract(); + + void packageConcrete() { return; } + protected void protectedConcrete() { return; } + public void publicConcrete() { return; } +} diff --git a/tests/untried/neg/java-access-neg/S2.scala b/tests/untried/neg/java-access-neg/S2.scala new file mode 100644 index 000000000..b082bb717 --- /dev/null +++ b/tests/untried/neg/java-access-neg/S2.scala @@ -0,0 +1,61 @@ +package a.b +package c + +import a.b.J + +/** Variations of java-access-pos with us in a nested package. + */ + +/** Declaring "override" all the time. + */ +class S1 extends J { + override private[b] def packageAbstract() = () // fail + override protected[b] def protectedAbstract() = () + override def publicAbstract() = () + + override private[b] def packageConcrete() = () // fail + override protected[b] def protectedConcrete() = () + override def publicConcrete() = () +} + +/** Implementing abstracts. + */ +class S2 extends J { + private[b] def packageAbstract() = () // fail + protected[b] def protectedAbstract() = () + def publicAbstract() = () +} + +/** Widening access. + */ +class S3 extends J { + protected[b] def packageAbstract() = () // fail + protected[b] def protectedAbstract() = () + def publicAbstract() = () + + override protected[b] def packageConcrete() = () // fail + override protected[b] def protectedConcrete() = () + override def publicConcrete() = () +} +/** More widening. + */ +class S4 extends J { + private[a] def packageAbstract() = () // fail + protected[a] def protectedAbstract() = () + def publicAbstract() = () + + override private[a] def packageConcrete() = () // fail + override protected[a] def protectedConcrete() = () + override def publicConcrete() = () +} +/** Yet more widening. + */ +class S5 extends J { + def packageAbstract() = () // fail + def protectedAbstract() = () + def publicAbstract() = () + + override def packageConcrete() = () // fail + override def protectedConcrete() = () + override def publicConcrete() = () +} diff --git a/tests/untried/neg/lazy-override.check b/tests/untried/neg/lazy-override.check new file mode 100644 index 000000000..793e6b202 --- /dev/null +++ b/tests/untried/neg/lazy-override.check @@ -0,0 +1,9 @@ +lazy-override.scala:11: error: overriding value x in class A of type Int; + lazy value x cannot override a concrete non-lazy value + override lazy val x: Int = { print("/*B.x*/"); 3 } + ^ +lazy-override.scala:13: error: overriding lazy value y in class A of type Int; + value y must be declared lazy to override a concrete lazy value + override val y: Int = { print("/*B.y*/"); 3 } + ^ +two errors found diff --git a/tests/untried/neg/lazy-override.scala b/tests/untried/neg/lazy-override.scala new file mode 100644 index 000000000..f41d7f038 --- /dev/null +++ b/tests/untried/neg/lazy-override.scala @@ -0,0 +1,19 @@ + +/** Test which should fail compilation */ + class A { + val x: Int = { print("/*A.x*/"); 2 } + lazy val y: Int = { print("/*A.y*/"); 2 } + } + + + class B extends A { + // lazy overrides strict val + override lazy val x: Int = { print("/*B.x*/"); 3 } + // strict val overrides lazy + override val y: Int = { print("/*B.y*/"); 3 } + } + + + + + diff --git a/tests/untried/neg/lazyvals.check b/tests/untried/neg/lazyvals.check new file mode 100644 index 000000000..c4daf9d84 --- /dev/null +++ b/tests/untried/neg/lazyvals.check @@ -0,0 +1,25 @@ +lazyvals.scala:6: error: lazy values may not be abstract + lazy val t: Int + ^ +lazyvals.scala:9: error: lazy not allowed here. Only vals can be lazy + lazy var p: Int = 100 + ^ +lazyvals.scala:12: error: lazy not allowed here. Only vals can be lazy + lazy def q: Double = 0.0 + ^ +lazyvals.scala:15: error: '=' expected but ';' found. + lazy val t; + ^ +lazyvals.scala:20: error: lazy not allowed here. Only vals can be lazy + lazy trait T {} + ^ +lazyvals.scala:21: error: lazy not allowed here. Only vals can be lazy + lazy class C {} + ^ +lazyvals.scala:22: error: lazy not allowed here. Only vals can be lazy + lazy object O {} + ^ +lazyvals.scala:25: error: lazy modifier not allowed here. Use call-by-name parameters instead + class A(lazy val obj: Object) {} + ^ +8 errors found diff --git a/tests/untried/neg/lazyvals.scala b/tests/untried/neg/lazyvals.scala new file mode 100644 index 000000000..f92534f50 --- /dev/null +++ b/tests/untried/neg/lazyvals.scala @@ -0,0 +1,46 @@ + +/** Test which should fail compilation */ +class Lazy { + + // no abstract lazy values + lazy val t: Int + + // no lazy var + lazy var p: Int = 100 + + // no lazy defs + lazy def q: Double = 0.0 + + def foo { + lazy val t; + () + } + + // no trait/class/object can be lazy + lazy trait T {} + lazy class C {} + lazy object O {} + + // no lazy modifiers in class parameters + class A(lazy val obj: Object) {} +} + +object T2 { + class A { + val x: Int = { print("/*A.x*/"); 2 } + lazy val y: Int = { print("/*A.y*/"); 2 } + } + + + class B extends A { + // lazy overrides strict val + override lazy val x: Int = { print("/*B.x*/"); 3 } + // strict val overrides lazy + override val y: Int = { print("/*B.y*/"); 3 } + } +} + + + + + diff --git a/tests/untried/neg/literate_existentials.check b/tests/untried/neg/literate_existentials.check new file mode 100644 index 000000000..c98f976f7 --- /dev/null +++ b/tests/untried/neg/literate_existentials.check @@ -0,0 +1,4 @@ +literate_existentials.scala:189: error: Cannot prove that Int <:< M forSome { type M <: String }. + implicitly[Int <:< (M forSome { type M >: Nothing <: String })] // fails + ^ +one error found diff --git a/tests/untried/neg/literate_existentials.scala b/tests/untried/neg/literate_existentials.scala new file mode 100644 index 000000000..8580347bf --- /dev/null +++ b/tests/untried/neg/literate_existentials.scala @@ -0,0 +1,224 @@ + +object LiterateExistentials { + +// Let's play with Scala's type system a bit. +// +// From adriaanm, we have the following substitution rule, which allows us to +// determine whether a type is a subtype of an existential in Scala: +// +// +// T <: subst(U) for all i: subst(Li) <: Vi /\ Vi <: subst(Hi) +// -------------------------------------------------------------- +// T <: U forSome {type X1 :> L1 <: H1; ...; type Xn :> Ln <: Hn} +// +// where subst(T) = T.subst(Xi, Vi) // Vi fresh type variables +// +// T is a subtype of some existential if all constraints of the existential hold +// after substituting Vi for the existentially quantified type variables Xi, +// and T is a subtype of the underlying type U with the same substitution applied. +// +// +// Since we are not a formal substitution system, we will actually be using +// this rule 'backward' in order to determine whether it allows us to +// truthfully make claims; In each example, we will start with the proposition +// that a type is a subtype of an existential. Then, we will fit the +// proposition into the form on the bottom rule by creating a set of bindings +// which allow one to be transformed into the other. Next, we will express the +// top of the substitution rule in terms of a series of constraints. We will +// simplify those constraints until simple inspection can determine whether +// they are consistent. From this, we can conclude whether the type system / +// environment admit the top of the substitution rule (and thus, the bottom). If +// they do, we can say that the proposition is true. + + +// In each case, we will also probe the compiler to see whether _it_ thinks that +// the proposition holds, using an uncommented implicitly[_ <:< _] line. + + + + +// Proposition: Nothing :< (A forSome { type A >: String <: Any }) +// +// +// Bindings: +// T := Nothing +// U := A +// X1 := A +// L1 := String +// H1 := Any +// +// We need: +// +// Nothing <: V1 // (U, which is "A", which V1 substituted for all instances of A) +// String <: V1 +// V1 <: Any +// +// Which simplify to: +// V1 >: String <: Any +// +// That's not inconsistent, so we can say that: +// T <: U forSome { type X1 >: L1 <: H1 } +// which means (under our mappings): +// Nothing <: A forSome { type A >: String <: Any } + +// Now to ask the compiler: + + implicitly[Nothing <:< (A forSome { type A >: String <: Any })] + + +// Let's try another: +// +// Proposition: Int :< (M forSome { type M >: String <: Any }) +// +// Bindings: +// T := Int +// U := M +// X1 := M +// L1 := String +// H1 := Any +// +// We need: +// +// Int <: V1 +// String <: V1 +// V1 <: Any +// +// Which simplify to: +// +// V1 >: lub(Int, String) <: Any +// +// V1 >: Any <: Any +// +// We have demonstrated consistency! We can say that: +// T :< (U forSome { type U >: L1 <: H1 }) +// Under our bindings, this is: +// Int :< (M forSome { type M >: String <: Any }) + + implicitly[Int <:< (M forSome { type M >: String <: Any })] + + + +// Now, let's do a more complicated one: +// +// Proposition: (Nothing, List[String]) <: ((A, B) forSome { type A >: String <: AnyRef; type B >: Null <: List[A] }) +// +// Bindings: +// T := (Nothing, List[String]) +// U := (A, B) +// X1 := A +// X2 := B +// L1 := String +// H1 := AnyRef +// L2 := Null +// H2 := List[A] +// +// We need: +// +// (Nothing, List[String]) <: (V1, V2) +// String <: V1 +// V1 <: AnyRef +// Null <: V2 +// V2 <: List[V1] +// +// Of course, we can split the first line to make: +// +// Nothing <: V1 +// List[String]) <: V2 +// String <: V1 +// V1 <: AnyRef +// Null <: V2 +// V2 <: List[V1] +// +// Which reorder to: +// +// Nothing <: V1 +// String <: V1 +// V1 <: AnyRef +// List[String]) <: V2 +// Null <: V2 +// V2 <: List[V1] +// +// Which simplify to: +// +// String <: V1 +// V1 <: AnyRef +// List[String]) <: V2 +// V2 <: List[V1] +// +// String <: V1 +// V1 <: AnyRef +// String <: V1 +// +// V1 >: String <: AnyRef +// +// Consistency demonstrated! We can say that: +// T <: U forSome {type X1 :> L1 <: H1; type X2 :> L2 <: H2} +// meaning: +// (Nothing, List[String]) <: ((A, B) forSome { type A >: String <: AnyRef; type B >: Null <: List[A] }) + + implicitly[ + (Nothing, List[String]) <:< ((A, B) forSome { type A >: String <: AnyRef; type B >: Null <: List[A] }) + ] + + + +// Now let's try one that isn't true: +// +// Proposition: Int :< (M forSome { type M >: Nothing <: String }) +// +// Bindings: +// T := Int +// U := M +// X1 := M +// L1 := Nothing +// H1 := String +// +// We need: +// +// Int <: V1 +// Nothing <: V1 +// V1 <: String +// +// V1 >: Int <: String +// +// Alas! These are inconsistent! There is no supertype of Int that is a +// subtype of String! Our substitution rule does not allow us to claim that our +// proposition is true. +// + + implicitly[Int <:< (M forSome { type M >: Nothing <: String })] // fails +// The preceeding line causes the compiler to generate an error message. + + + +// Let's look at one final example, courtesy of paulp. +// Proposition: String :< X forSome { type X >: Nothing <: String } +// +// Bindings: +// T := String +// U := X +// X1 := X +// L1 := Nothing +// H1 := String +// +// We need: +// +// String <: V1 +// Nothing <: V1 +// V1 <: String +// +// Which simplify to: +// +// String <: V1 +// V1 <: String +// +// V1 >: String <: String +// +// So, we can say: +// T <: U forSome { type X1 >: L1 <: H1 } +// which means: +// String :< X forSome { type X >: Nothing <: String } + + implicitly[String <:< (X forSome { type X >: Nothing <: String })] + +} diff --git a/tests/untried/neg/logImplicits.check b/tests/untried/neg/logImplicits.check new file mode 100644 index 000000000..270882b71 --- /dev/null +++ b/tests/untried/neg/logImplicits.check @@ -0,0 +1,19 @@ +logImplicits.scala:2: applied implicit conversion from xs.type to ?{def size: ?} = implicit def byteArrayOps(xs: Array[Byte]): scala.collection.mutable.ArrayOps[Byte] + def f(xs: Array[Byte]) = xs.size + ^ +logImplicits.scala:7: applied implicit conversion from String("abc") to ?{def map: ?} = implicit def augmentString(x: String): scala.collection.immutable.StringOps + def f = "abc" map (_ + 1) + ^ +logImplicits.scala:15: inferred view from String("abc") to Int = C.this.convert:(p: String("abc"))Int + math.max(122, x: Int) + ^ +logImplicits.scala:19: applied implicit conversion from Int(1) to ?{def ->: ?} = implicit def ArrowAssoc[A](self: A): ArrowAssoc[A] + def f = (1 -> 2) + "c" + ^ +logImplicits.scala:19: applied implicit conversion from (Int, Int) to ?{def +: ?} = implicit def any2stringadd[A](self: A): any2stringadd[A] + def f = (1 -> 2) + "c" + ^ +logImplicits.scala:22: error: class Un needs to be abstract, since method unimplemented is not defined +class Un { + ^ +one error found diff --git a/tests/untried/neg/logImplicits.flags b/tests/untried/neg/logImplicits.flags new file mode 100644 index 000000000..97e5ae94e --- /dev/null +++ b/tests/untried/neg/logImplicits.flags @@ -0,0 +1 @@ +-Xlog-implicit-conversions
\ No newline at end of file diff --git a/tests/untried/neg/logImplicits.scala b/tests/untried/neg/logImplicits.scala new file mode 100644 index 000000000..ecb4cbb31 --- /dev/null +++ b/tests/untried/neg/logImplicits.scala @@ -0,0 +1,25 @@ +class A { + def f(xs: Array[Byte]) = xs.size + def g(xs: Array[Byte]) = xs.length +} + +class B { + def f = "abc" map (_ + 1) +} + +object C { + final val x = "abc" + + implicit def convert(p: x.type): Int = 123 + + math.max(122, x: Int) +} + +class D { + def f = (1 -> 2) + "c" +} + +class Un { + // forcing post-typer failure, since we're only interested in the output from the above + def unimplemented: Int +} diff --git a/tests/untried/neg/lubs.check b/tests/untried/neg/lubs.check new file mode 100644 index 000000000..affbd4983 --- /dev/null +++ b/tests/untried/neg/lubs.check @@ -0,0 +1,21 @@ +lubs.scala:10: error: type mismatch; + found : test1.A[test1.A[Object]] + required: test1.A[test1.A[test1.A[Any]]] + val x3: A[A[A[Any]]] = f + ^ +lubs.scala:11: error: type mismatch; + found : test1.A[test1.A[Object]] + required: test1.A[test1.A[test1.A[test1.A[Any]]]] + val x4: A[A[A[A[Any]]]] = f + ^ +lubs.scala:24: error: type mismatch; + found : test2.A{type T >: test2.C with test2.D <: test2.A} + required: test2.A{type T >: Null <: test2.A{type T >: Null <: test2.A}} + val x3: A { type T >: Null <: A { type T >: Null <: A } } = f + ^ +lubs.scala:25: error: type mismatch; + found : test2.A{type T >: test2.C with test2.D <: test2.A} + required: test2.A{type T >: Null <: test2.A{type T >: Null <: test2.A{type T >: Null <: test2.A}}} + val x4: A { type T >: Null <: A { type T >: Null <: A { type T >: Null <: A } } } = f + ^ +four errors found diff --git a/tests/untried/neg/lubs.scala b/tests/untried/neg/lubs.scala new file mode 100644 index 000000000..3524fa4d8 --- /dev/null +++ b/tests/untried/neg/lubs.scala @@ -0,0 +1,26 @@ +object test1 { + abstract class A[+T] + class C extends A[C] + class D extends A[D] + + def f = if(1 == 2) new C else new D + + val x1: A[Any] = f + val x2: A[A[Any]] = f + val x3: A[A[A[Any]]] = f + val x4: A[A[A[A[Any]]]] = f +} + +object test2 { + + abstract class A { type T } + class C extends A { type T = C } + class D extends A { type T = D } + + def f = if (1 == 2) new C else new D + + val x1: A { type T } = f + val x2: A { type T >: Null <: A } = f + val x3: A { type T >: Null <: A { type T >: Null <: A } } = f + val x4: A { type T >: Null <: A { type T >: Null <: A { type T >: Null <: A } } } = f +} diff --git a/tests/untried/neg/macro-abort.check b/tests/untried/neg/macro-abort.check new file mode 100644 index 000000000..1e58add53 --- /dev/null +++ b/tests/untried/neg/macro-abort.check @@ -0,0 +1,4 @@ +Test_2.scala:2: error: aborted + Macros.abort + ^ +one error found diff --git a/tests/untried/neg/macro-abort/Macros_1.scala b/tests/untried/neg/macro-abort/Macros_1.scala new file mode 100644 index 000000000..cd2382a6f --- /dev/null +++ b/tests/untried/neg/macro-abort/Macros_1.scala @@ -0,0 +1,9 @@ +import scala.language.experimental.macros +import scala.reflect.macros.blackbox.Context + +object Macros { + def impl(c: Context) = { + c.abort(c.enclosingPosition, "aborted") + } + def abort = macro impl +} diff --git a/tests/untried/neg/macro-abort/Test_2.scala b/tests/untried/neg/macro-abort/Test_2.scala new file mode 100644 index 000000000..9eee0ccca --- /dev/null +++ b/tests/untried/neg/macro-abort/Test_2.scala @@ -0,0 +1,3 @@ +object Test extends App { + Macros.abort +} diff --git a/tests/untried/neg/macro-basic-mamdmi.check b/tests/untried/neg/macro-basic-mamdmi.check new file mode 100644 index 000000000..61df5131c --- /dev/null +++ b/tests/untried/neg/macro-basic-mamdmi.check @@ -0,0 +1,5 @@ +Impls_Macros_Test_1.scala:33: error: macro implementation not found: quux +(the most common reason for that is that you cannot use macro implementations in the same compilation run that defines them) + println(foo(2) + Macros.bar(2) * new Macros().quux(4)) + ^ +one error found diff --git a/tests/untried/neg/macro-basic-mamdmi.flags b/tests/untried/neg/macro-basic-mamdmi.flags new file mode 100644 index 000000000..5e5dd6ce7 --- /dev/null +++ b/tests/untried/neg/macro-basic-mamdmi.flags @@ -0,0 +1 @@ +-language:experimental.macros diff --git a/tests/untried/neg/macro-basic-mamdmi/Impls_Macros_Test_1.scala b/tests/untried/neg/macro-basic-mamdmi/Impls_Macros_Test_1.scala new file mode 100644 index 000000000..c059d962e --- /dev/null +++ b/tests/untried/neg/macro-basic-mamdmi/Impls_Macros_Test_1.scala @@ -0,0 +1,34 @@ +import scala.reflect.macros.blackbox.Context + +object Impls { + def foo(c: Context)(x: c.Expr[Int]): c.Expr[Int] = { + import c.universe._ + c.Expr[Int](q"$x + 1") + } + + def bar(c: Context)(x: c.Expr[Int]): c.Expr[Int] = { + import c.universe._ + c.Expr[Int](q"$x + 2") + } + + def quux(c: Context)(x: c.Expr[Int]): c.Expr[Int] = { + import c.universe._ + c.Expr[Int](q"$x + 3") + } +} + +object Macros { + object Shmacros { + def foo(x: Int): Int = macro Impls.foo + } + def bar(x: Int): Int = macro Impls.bar +} + +class Macros { + def quux(x: Int): Int = macro Impls.quux +} + +object Test extends App { + import Macros.Shmacros._ + println(foo(2) + Macros.bar(2) * new Macros().quux(4)) +} diff --git a/tests/untried/neg/macro-blackbox-dynamic-materialization.check b/tests/untried/neg/macro-blackbox-dynamic-materialization.check new file mode 100644 index 000000000..f6c73f7ed --- /dev/null +++ b/tests/untried/neg/macro-blackbox-dynamic-materialization.check @@ -0,0 +1,4 @@ +Test_2.scala:2: error: I don't like classes that contain integers + println(implicitly[Foo[C1]]) + ^ +one error found diff --git a/tests/untried/neg/macro-blackbox-dynamic-materialization/Macros_1.scala b/tests/untried/neg/macro-blackbox-dynamic-materialization/Macros_1.scala new file mode 100644 index 000000000..16a379ea5 --- /dev/null +++ b/tests/untried/neg/macro-blackbox-dynamic-materialization/Macros_1.scala @@ -0,0 +1,25 @@ +import scala.reflect.macros.blackbox.Context +import scala.language.experimental.macros + +trait Foo[T] + +class C1(val x: Int) +class C2(val x: String) + +trait LowPriority { + implicit def lessSpecific[T]: Foo[T] = null +} + +object Foo extends LowPriority { + implicit def moreSpecific[T]: Foo[T] = macro Macros.impl[T] +} + +object Macros { + def impl[T: c.WeakTypeTag](c: Context) = { + import c.universe._ + val tpe = weakTypeOf[T] + if (tpe.members.exists(_.info =:= typeOf[Int])) + c.abort(c.enclosingPosition, "I don't like classes that contain integers") + q"new Foo[$tpe]{ override def toString = ${tpe.toString} }" + } +} diff --git a/tests/untried/neg/macro-blackbox-dynamic-materialization/Test_2.scala b/tests/untried/neg/macro-blackbox-dynamic-materialization/Test_2.scala new file mode 100644 index 000000000..abb5229bd --- /dev/null +++ b/tests/untried/neg/macro-blackbox-dynamic-materialization/Test_2.scala @@ -0,0 +1,4 @@ +object Test extends App { + println(implicitly[Foo[C1]]) + println(implicitly[Foo[C2]]) +} diff --git a/tests/untried/neg/macro-blackbox-extractor.check b/tests/untried/neg/macro-blackbox-extractor.check new file mode 100644 index 000000000..4c53ff19b --- /dev/null +++ b/tests/untried/neg/macro-blackbox-extractor.check @@ -0,0 +1,4 @@ +Test_2.scala:3: error: extractor macros can only be whitebox + case Extractor(x) => println(x) + ^ +one error found diff --git a/tests/untried/neg/macro-blackbox-extractor/Macros_1.scala b/tests/untried/neg/macro-blackbox-extractor/Macros_1.scala new file mode 100644 index 000000000..64b6270b7 --- /dev/null +++ b/tests/untried/neg/macro-blackbox-extractor/Macros_1.scala @@ -0,0 +1,21 @@ +import scala.reflect.macros.blackbox.Context +import language.experimental.macros + +object Extractor { + def unapply(x: Int): Any = macro Macros.unapplyImpl +} + +object Macros { + def unapplyImpl(c: Context)(x: c.Tree) = { + import c.universe._ + q""" + new { + class Match(x: Int) { + def isEmpty = false + def get = x + } + def unapply(x: Int) = new Match(x) + }.unapply($x) + """ + } +} diff --git a/tests/untried/neg/macro-blackbox-extractor/Test_2.scala b/tests/untried/neg/macro-blackbox-extractor/Test_2.scala new file mode 100644 index 000000000..41be6f976 --- /dev/null +++ b/tests/untried/neg/macro-blackbox-extractor/Test_2.scala @@ -0,0 +1,5 @@ +object Test extends App { + 42 match { + case Extractor(x) => println(x) + } +} diff --git a/tests/untried/neg/macro-blackbox-fundep-materialization.check b/tests/untried/neg/macro-blackbox-fundep-materialization.check new file mode 100644 index 000000000..3c03064a2 --- /dev/null +++ b/tests/untried/neg/macro-blackbox-fundep-materialization.check @@ -0,0 +1,8 @@ +Test_2.scala:7: error: type mismatch; + found : Iso[Test.Foo,(Int, String, Boolean)] + required: Iso[Test.Foo,Nothing] +Note: (Int, String, Boolean) >: Nothing, but trait Iso is invariant in type U. +You may wish to define U as -U instead. (SLS 4.5) + val equiv = foo(Foo(23, "foo", true)) + ^ +one error found diff --git a/tests/untried/neg/macro-blackbox-fundep-materialization.flags b/tests/untried/neg/macro-blackbox-fundep-materialization.flags new file mode 100644 index 000000000..4c6cdb71e --- /dev/null +++ b/tests/untried/neg/macro-blackbox-fundep-materialization.flags @@ -0,0 +1 @@ +-Xlog-implicits
\ No newline at end of file diff --git a/tests/untried/neg/macro-blackbox-fundep-materialization/Macros_1.scala b/tests/untried/neg/macro-blackbox-fundep-materialization/Macros_1.scala new file mode 100644 index 000000000..8d776388e --- /dev/null +++ b/tests/untried/neg/macro-blackbox-fundep-materialization/Macros_1.scala @@ -0,0 +1,39 @@ +import scala.language.experimental.macros +import scala.reflect.macros.blackbox.Context + +trait Iso[T, U] { + def to(t : T) : U + // def from(u : U) : T +} + +object Iso { + implicit def materializeIso[T, U]: Iso[T, U] = macro impl[T, U] + def impl[T: c.WeakTypeTag, U: c.WeakTypeTag](c: Context): c.Expr[Iso[T, U]] = { + import c.universe._ + import definitions._ + import Flag._ + + val sym = c.weakTypeOf[T].typeSymbol + if (!sym.isClass || !sym.asClass.isCaseClass) c.abort(c.enclosingPosition, s"$sym is not a case class") + val fields = sym.info.decls.toList.collect{ case x: TermSymbol if x.isVal && x.isCaseAccessor => x } + + def mkTpt() = { + val core = Ident(TupleClass(fields.length) orElse UnitClass) + if (fields.length == 0) core + else AppliedTypeTree(core, fields map (f => TypeTree(f.info))) + } + + def mkFrom() = { + if (fields.length == 0) Literal(Constant(Unit)) + else Apply(Ident(newTermName("Tuple" + fields.length)), fields map (f => Select(Ident(newTermName("f")), newTermName(f.name.toString.trim)))) + } + + val evidenceClass = ClassDef(Modifiers(FINAL), newTypeName("$anon"), List(), Template( + List(AppliedTypeTree(Ident(newTypeName("Iso")), List(Ident(sym), mkTpt()))), + emptyValDef, + List( + DefDef(Modifiers(), termNames.CONSTRUCTOR, List(), List(List()), TypeTree(), Block(List(Apply(Select(Super(This(typeNames.EMPTY), typeNames.EMPTY), termNames.CONSTRUCTOR), List())), Literal(Constant(())))), + DefDef(Modifiers(), newTermName("to"), List(), List(List(ValDef(Modifiers(PARAM), newTermName("f"), Ident(sym), EmptyTree))), TypeTree(), mkFrom())))) + c.Expr[Iso[T, U]](Block(List(evidenceClass), Apply(Select(New(Ident(newTypeName("$anon"))), termNames.CONSTRUCTOR), List()))) + } +} diff --git a/tests/untried/neg/macro-blackbox-fundep-materialization/Test_2.scala b/tests/untried/neg/macro-blackbox-fundep-materialization/Test_2.scala new file mode 100644 index 000000000..8b60943cf --- /dev/null +++ b/tests/untried/neg/macro-blackbox-fundep-materialization/Test_2.scala @@ -0,0 +1,12 @@ +// see the comments for macroExpand.onDelayed for an explanation of what's tested here +object Test extends App { + case class Foo(i: Int, s: String, b: Boolean) + def foo[C, L](c: C)(implicit iso: Iso[C, L]): L = iso.to(c) + + { + val equiv = foo(Foo(23, "foo", true)) + def typed[T](t: => T): Unit = {} + typed[(Int, String, Boolean)](equiv) + println(equiv) + } +} diff --git a/tests/untried/neg/macro-blackbox-structural.check b/tests/untried/neg/macro-blackbox-structural.check new file mode 100644 index 000000000..86a218559 --- /dev/null +++ b/tests/untried/neg/macro-blackbox-structural.check @@ -0,0 +1,4 @@ +Test_2.scala:4: error: value x is not a member of Any + println(Macros.foo.x) + ^ +one error found diff --git a/tests/untried/neg/macro-blackbox-structural/Impls_Macros_1.scala b/tests/untried/neg/macro-blackbox-structural/Impls_Macros_1.scala new file mode 100644 index 000000000..786a3f45f --- /dev/null +++ b/tests/untried/neg/macro-blackbox-structural/Impls_Macros_1.scala @@ -0,0 +1,15 @@ +import scala.language.experimental.macros + +object Macros { + def impl(c: scala.reflect.macros.blackbox.Context) = { + import c.universe._ + q""" + trait Foo { + def x = 2 + } + new Foo {} + """ + } + + def foo: Any = macro impl +} diff --git a/tests/untried/neg/macro-blackbox-structural/Test_2.scala b/tests/untried/neg/macro-blackbox-structural/Test_2.scala new file mode 100644 index 000000000..e02b4feb4 --- /dev/null +++ b/tests/untried/neg/macro-blackbox-structural/Test_2.scala @@ -0,0 +1,5 @@ +import Macros._ + +object Test extends App { + println(Macros.foo.x) +} diff --git a/tests/untried/neg/macro-bundle-abstract.check b/tests/untried/neg/macro-bundle-abstract.check new file mode 100644 index 000000000..1e51a00d0 --- /dev/null +++ b/tests/untried/neg/macro-bundle-abstract.check @@ -0,0 +1,4 @@ +macro-bundle-abstract.scala:10: error: macro bundles must be concrete monomorphic classes having a single constructor with a `val c: Context` parameter + def foo = macro Bundle.impl + ^ +one error found diff --git a/tests/untried/neg/macro-bundle-abstract.scala b/tests/untried/neg/macro-bundle-abstract.scala new file mode 100644 index 000000000..db57d5dc9 --- /dev/null +++ b/tests/untried/neg/macro-bundle-abstract.scala @@ -0,0 +1,11 @@ +import scala.language.experimental.macros +import scala.reflect.macros.blackbox.Context + +abstract class Bundle(c: Context) { + def deferred: Int + def impl = ??? +} + +object Macros { + def foo = macro Bundle.impl +} diff --git a/tests/untried/neg/macro-bundle-ambiguous.check b/tests/untried/neg/macro-bundle-ambiguous.check new file mode 100644 index 000000000..843049645 --- /dev/null +++ b/tests/untried/neg/macro-bundle-ambiguous.check @@ -0,0 +1,5 @@ +macro-bundle-ambiguous.scala:13: error: macro implementation reference is ambiguous: makes sense both as +a macro bundle method reference and a vanilla object method reference + def foo: Unit = macro Macros.impl + ^ +one error found diff --git a/tests/untried/neg/macro-bundle-ambiguous.scala b/tests/untried/neg/macro-bundle-ambiguous.scala new file mode 100644 index 000000000..72c6a2c30 --- /dev/null +++ b/tests/untried/neg/macro-bundle-ambiguous.scala @@ -0,0 +1,14 @@ +import scala.reflect.macros.whitebox._ +import scala.language.experimental.macros + +class Macros(val c: Context) { + def impl = ??? +} + +object Macros { + def impl(c: Context) = ??? +} + +object Test extends App { + def foo: Unit = macro Macros.impl +} diff --git a/tests/untried/neg/macro-bundle-need-qualifier.check b/tests/untried/neg/macro-bundle-need-qualifier.check new file mode 100644 index 000000000..6a74ee6ae --- /dev/null +++ b/tests/untried/neg/macro-bundle-need-qualifier.check @@ -0,0 +1,4 @@ +macro-bundle-need-qualifier.scala:10: error: not found: value impl + def foo: Any = macro impl + ^ +one error found diff --git a/tests/untried/neg/macro-bundle-need-qualifier.scala b/tests/untried/neg/macro-bundle-need-qualifier.scala new file mode 100644 index 000000000..1edda8081 --- /dev/null +++ b/tests/untried/neg/macro-bundle-need-qualifier.scala @@ -0,0 +1,11 @@ +import scala.reflect.macros.whitebox._ +import scala.language.experimental.macros + +class Macros(val c: Context) { + import c.universe._ + def impl = q"()" +} + +object Macros { + def foo: Any = macro impl +} diff --git a/tests/untried/neg/macro-bundle-noncontext.check b/tests/untried/neg/macro-bundle-noncontext.check new file mode 100644 index 000000000..bb5d0851f --- /dev/null +++ b/tests/untried/neg/macro-bundle-noncontext.check @@ -0,0 +1,4 @@ +macro-bundle-noncontext.scala:8: error: not found: value Bundle + def foo = Bundle.impl + ^ +one error found diff --git a/tests/untried/neg/macro-bundle-noncontext.scala b/tests/untried/neg/macro-bundle-noncontext.scala new file mode 100644 index 000000000..b3d7f4464 --- /dev/null +++ b/tests/untried/neg/macro-bundle-noncontext.scala @@ -0,0 +1,9 @@ +import scala.language.experimental.macros + +class Bundle { + def impl = ??? +} + +object Macros { + def foo = Bundle.impl +} diff --git a/tests/untried/neg/macro-bundle-nonpublic-c.check b/tests/untried/neg/macro-bundle-nonpublic-c.check new file mode 100644 index 000000000..1dfcee58b --- /dev/null +++ b/tests/untried/neg/macro-bundle-nonpublic-c.check @@ -0,0 +1,4 @@ +macro-bundle-nonpublic-c.scala:6: error: private value c escapes its defining scope as part of type Macros.this.c.universe.Literal + def impl = q"()" + ^ +one error found diff --git a/tests/untried/neg/macro-bundle-nonpublic-c.scala b/tests/untried/neg/macro-bundle-nonpublic-c.scala new file mode 100644 index 000000000..a24078751 --- /dev/null +++ b/tests/untried/neg/macro-bundle-nonpublic-c.scala @@ -0,0 +1,11 @@ +import scala.reflect.macros.whitebox._ +import scala.language.experimental.macros + +class Macros(c: Context) { + import c.universe._ + def impl = q"()" +} + +object Macros { + def foo: Any = macro Macros.impl +} diff --git a/tests/untried/neg/macro-bundle-nonpublic-impl.check b/tests/untried/neg/macro-bundle-nonpublic-impl.check new file mode 100644 index 000000000..7a4e1516f --- /dev/null +++ b/tests/untried/neg/macro-bundle-nonpublic-impl.check @@ -0,0 +1,4 @@ +macro-bundle-nonpublic-impl.scala:10: error: bundle implementation must be public + def foo: Any = macro Macros.impl + ^ +one error found diff --git a/tests/untried/neg/macro-bundle-nonpublic-impl.scala b/tests/untried/neg/macro-bundle-nonpublic-impl.scala new file mode 100644 index 000000000..1ed17277c --- /dev/null +++ b/tests/untried/neg/macro-bundle-nonpublic-impl.scala @@ -0,0 +1,11 @@ +import scala.reflect.macros.whitebox._ +import scala.language.experimental.macros + +class Macros(val c: Context) { + import c.universe._ + private def impl = q"()" +} + +object Macros { + def foo: Any = macro Macros.impl +} diff --git a/tests/untried/neg/macro-bundle-nonstatic.check b/tests/untried/neg/macro-bundle-nonstatic.check new file mode 100644 index 000000000..36bccc54d --- /dev/null +++ b/tests/untried/neg/macro-bundle-nonstatic.check @@ -0,0 +1,13 @@ +macro-bundle-nonstatic.scala:12: error: value Bundle is not a member of object Module + def foo1 = macro Module.Bundle.impl + ^ +macro-bundle-nonstatic.scala:13: error: value Bundle is not a member of Module + def foo2 = macro new Module().Bundle.impl + ^ +macro-bundle-nonstatic.scala:17: error: macro bundles must be static + def foo = macro Bundle.impl + ^ +macro-bundle-nonstatic.scala:23: error: macro bundles must be static + def foo = macro Bundle.impl + ^ +four errors found diff --git a/tests/untried/neg/macro-bundle-nonstatic.scala b/tests/untried/neg/macro-bundle-nonstatic.scala new file mode 100644 index 000000000..dfba79660 --- /dev/null +++ b/tests/untried/neg/macro-bundle-nonstatic.scala @@ -0,0 +1,36 @@ +import scala.language.experimental.macros +import scala.reflect.macros.whitebox.Context + +class Module { + class Bundle(val c: Context) { + import c.universe._ + def impl = q"()" + } +} + +object Macros1 { + def foo1 = macro Module.Bundle.impl + def foo2 = macro new Module().Bundle.impl +} + +object Macros2 extends Module { + def foo = macro Bundle.impl +} + +object Macros3 { + val module = new Module + import module._ + def foo = macro Bundle.impl +} + +object Module { + class GoodBundle(val c: Context) { + import c.universe._ + def impl = q"()" + } +} + +object Macros4 { + import Module._ + def foo: Unit = macro GoodBundle.impl +} diff --git a/tests/untried/neg/macro-bundle-object.check b/tests/untried/neg/macro-bundle-object.check new file mode 100644 index 000000000..b8800105f --- /dev/null +++ b/tests/untried/neg/macro-bundle-object.check @@ -0,0 +1,8 @@ +macro-bundle-object.scala:10: error: macro implementation has incompatible shape: + required: (c: scala.reflect.macros.blackbox.Context): c.Expr[Nothing] + or : (c: scala.reflect.macros.blackbox.Context): c.Tree + found : : Nothing +number of parameter sections differ + def foo = macro Bundle.impl + ^ +one error found diff --git a/tests/untried/neg/macro-bundle-object.scala b/tests/untried/neg/macro-bundle-object.scala new file mode 100644 index 000000000..c92571033 --- /dev/null +++ b/tests/untried/neg/macro-bundle-object.scala @@ -0,0 +1,11 @@ +import scala.language.experimental.macros +import scala.reflect.macros.blackbox.Context + +object Bundle { + val c: Context = ??? + def impl = ??? +} + +object Macros { + def foo = macro Bundle.impl +} diff --git a/tests/untried/neg/macro-bundle-overloaded.check b/tests/untried/neg/macro-bundle-overloaded.check new file mode 100644 index 000000000..499068aaa --- /dev/null +++ b/tests/untried/neg/macro-bundle-overloaded.check @@ -0,0 +1,4 @@ +macro-bundle-overloaded.scala:11: error: macro bundles must be concrete monomorphic classes having a single constructor with a `val c: Context` parameter + def foo = macro Bundle.impl + ^ +one error found diff --git a/tests/untried/neg/macro-bundle-overloaded.scala b/tests/untried/neg/macro-bundle-overloaded.scala new file mode 100644 index 000000000..c5120b5b5 --- /dev/null +++ b/tests/untried/neg/macro-bundle-overloaded.scala @@ -0,0 +1,12 @@ +import scala.language.experimental.macros +import scala.reflect.macros.blackbox.{Context => BlackboxContext} +import scala.reflect.macros.whitebox.{Context => WhiteboxContext} + +class Bundle(val c: BlackboxContext) { + def this(c: WhiteboxContext) = this(c: BlackboxContext) + def impl = ??? +} + +object Macros { + def foo = macro Bundle.impl +} diff --git a/tests/untried/neg/macro-bundle-polymorphic.check b/tests/untried/neg/macro-bundle-polymorphic.check new file mode 100644 index 000000000..60a4d5911 --- /dev/null +++ b/tests/untried/neg/macro-bundle-polymorphic.check @@ -0,0 +1,19 @@ +macro-bundle-polymorphic.scala:36: error: macro bundles must be concrete monomorphic classes having a single constructor with a `val c: Context` parameter + def black1: Any = macro BlackboxBundle1.impl + ^ +macro-bundle-polymorphic.scala:37: error: macro bundles must be concrete monomorphic classes having a single constructor with a `val c: Context` parameter + def black2: Any = macro BlackboxBundle2.impl + ^ +macro-bundle-polymorphic.scala:38: error: macro bundles must be concrete monomorphic classes having a single constructor with a `val c: Context` parameter + def black3: Any = macro BlackboxBundle3.impl + ^ +macro-bundle-polymorphic.scala:40: error: macro bundles must be concrete monomorphic classes having a single constructor with a `val c: Context` parameter + def white1: Any = macro WhiteboxBundle1.impl + ^ +macro-bundle-polymorphic.scala:41: error: macro bundles must be concrete monomorphic classes having a single constructor with a `val c: Context` parameter + def white2: Any = macro WhiteboxBundle2.impl + ^ +macro-bundle-polymorphic.scala:42: error: macro bundles must be concrete monomorphic classes having a single constructor with a `val c: Context` parameter + def white3: Any = macro WhiteboxBundle3.impl + ^ +6 errors found diff --git a/tests/untried/neg/macro-bundle-polymorphic.scala b/tests/untried/neg/macro-bundle-polymorphic.scala new file mode 100644 index 000000000..3e7ffe89c --- /dev/null +++ b/tests/untried/neg/macro-bundle-polymorphic.scala @@ -0,0 +1,43 @@ +import scala.language.experimental.macros +import scala.reflect.macros.blackbox.{Context => BlackboxContext} +import scala.reflect.macros.whitebox.{Context => WhiteboxContext} + +class BlackboxBundle1[T](val c: BlackboxContext) { + import c.universe._ + def impl = q"()" +} + +class BlackboxBundle2[T <: BlackboxContext](val c: T) { + import c.universe._ + def impl = q"()" +} + +class BlackboxBundle3[T <: BlackboxContext, U <: T](val c: U) { + import c.universe._ + def impl = q"()" +} + +class WhiteboxBundle1[T](val c: WhiteboxContext) { + import c.universe._ + def impl = q"()" +} + +class WhiteboxBundle2[T <: WhiteboxContext](val c: T) { + import c.universe._ + def impl = q"()" +} + +class WhiteboxBundle3[T <: WhiteboxContext, U <: T](val c: U) { + import c.universe._ + def impl = q"()" +} + +object Macros { + def black1: Any = macro BlackboxBundle1.impl + def black2: Any = macro BlackboxBundle2.impl + def black3: Any = macro BlackboxBundle3.impl + + def white1: Any = macro WhiteboxBundle1.impl + def white2: Any = macro WhiteboxBundle2.impl + def white3: Any = macro WhiteboxBundle3.impl +} diff --git a/tests/untried/neg/macro-bundle-priority-bundle.check b/tests/untried/neg/macro-bundle-priority-bundle.check new file mode 100644 index 000000000..c6cea72ba --- /dev/null +++ b/tests/untried/neg/macro-bundle-priority-bundle.check @@ -0,0 +1,8 @@ +macro-bundle-priority-bundle.scala:13: error: bundle implementation has incompatible shape: + required: : Macros.this.c.Expr[Unit] + or : : Macros.this.c.Tree + found : (x: Macros.this.c.Tree): Nothing +number of parameter sections differ + def foo: Unit = macro Macros.impl + ^ +one error found diff --git a/tests/untried/neg/macro-bundle-priority-bundle.scala b/tests/untried/neg/macro-bundle-priority-bundle.scala new file mode 100644 index 000000000..ab9987b8f --- /dev/null +++ b/tests/untried/neg/macro-bundle-priority-bundle.scala @@ -0,0 +1,14 @@ +import scala.reflect.macros.whitebox._ +import scala.language.experimental.macros + +class Macros(val c: Context) { + def impl(x: c.Tree) = ??? +} + +object Macros { + def impl(c: Context)(x: c.Tree) = ??? +} + +object Test extends App { + def foo: Unit = macro Macros.impl +} diff --git a/tests/untried/neg/macro-bundle-priority-nonbundle.check b/tests/untried/neg/macro-bundle-priority-nonbundle.check new file mode 100644 index 000000000..0d03b5074 --- /dev/null +++ b/tests/untried/neg/macro-bundle-priority-nonbundle.check @@ -0,0 +1,8 @@ +macro-bundle-priority-nonbundle.scala:13: error: macro implementation has incompatible shape: + required: (c: scala.reflect.macros.whitebox.Context): c.Expr[Unit] + or : (c: scala.reflect.macros.whitebox.Context): c.Tree + found : (c: scala.reflect.macros.whitebox.Context)(x: c.Tree): Nothing +number of parameter sections differ + def foo: Unit = macro Macros.impl + ^ +one error found diff --git a/tests/untried/neg/macro-bundle-priority-nonbundle.scala b/tests/untried/neg/macro-bundle-priority-nonbundle.scala new file mode 100644 index 000000000..0ef5b789a --- /dev/null +++ b/tests/untried/neg/macro-bundle-priority-nonbundle.scala @@ -0,0 +1,14 @@ +import scala.reflect.macros.whitebox._ +import scala.language.experimental.macros + +class Macros(val c: scala.reflect.api.Universe) { + def impl(x: c.Tree) = ??? +} + +object Macros { + def impl(c: Context)(x: c.Tree) = ??? +} + +object Test extends App { + def foo: Unit = macro Macros.impl +} diff --git a/tests/untried/neg/macro-bundle-trait.check b/tests/untried/neg/macro-bundle-trait.check new file mode 100644 index 000000000..869c67e1e --- /dev/null +++ b/tests/untried/neg/macro-bundle-trait.check @@ -0,0 +1,4 @@ +macro-bundle-trait.scala:10: error: not found: value Bundle + def foo = macro Bundle.impl + ^ +one error found diff --git a/tests/untried/neg/macro-bundle-trait.scala b/tests/untried/neg/macro-bundle-trait.scala new file mode 100644 index 000000000..2015508b8 --- /dev/null +++ b/tests/untried/neg/macro-bundle-trait.scala @@ -0,0 +1,11 @@ +import scala.language.experimental.macros +import scala.reflect.macros.blackbox.Context + +trait Bundle { + val c: Context = ??? + def impl = ??? +} + +object Macros { + def foo = macro Bundle.impl +} diff --git a/tests/untried/neg/macro-bundle-whitebox-use-raw.check b/tests/untried/neg/macro-bundle-whitebox-use-raw.check new file mode 100644 index 000000000..5792e317a --- /dev/null +++ b/tests/untried/neg/macro-bundle-whitebox-use-raw.check @@ -0,0 +1,17 @@ +Test_2.scala:2: error: value x is not a member of Any + println(ReturnTypeRefinement.foo.x) + ^ +Test_2.scala:7: error: type mismatch; + found : FundepMaterialization[Test.Foo,(Int, String, Boolean)] + required: FundepMaterialization[Test.Foo,Nothing] +Note: (Int, String, Boolean) >: Nothing, but trait FundepMaterialization is invariant in type U. +You may wish to define U as -U instead. (SLS 4.5) + val equiv = foo(Foo(23, "foo", true)) + ^ +Test_2.scala:13: error: I don't like classes that contain integers + println(implicitly[DynamicMaterialization[C1]]) + ^ +Test_2.scala:17: error: extractor macros can only be whitebox + case ExtractorMacro(x) => println(x) + ^ +four errors found diff --git a/tests/untried/neg/macro-bundle-whitebox-use-raw/Macros_1.scala b/tests/untried/neg/macro-bundle-whitebox-use-raw/Macros_1.scala new file mode 100644 index 000000000..61bf73e48 --- /dev/null +++ b/tests/untried/neg/macro-bundle-whitebox-use-raw/Macros_1.scala @@ -0,0 +1,108 @@ +import scala.reflect.macros.blackbox.Context +import scala.language.experimental.macros + +// whitebox use case #1: return type refinement + +class ReturnTypeRefinementBundle(val c: Context) { + import c.universe._ + def impl = { + q""" + trait Foo { + def x = 2 + } + new Foo {} + """ + } +} + +object ReturnTypeRefinement { + def foo: Any = macro ReturnTypeRefinementBundle.impl +} + +// whitebox use case #2: fundep materialization + +trait FundepMaterialization[T, U] { + def to(t : T) : U + // def from(u : U) : T +} + +class FundepMaterializationBundle(val c: Context) { + import c.universe._ + import definitions._ + import Flag._ + + def impl[T: c.WeakTypeTag, U: c.WeakTypeTag]: c.Expr[FundepMaterialization[T, U]] = { + val sym = c.weakTypeOf[T].typeSymbol + if (!sym.isClass || !sym.asClass.isCaseClass) c.abort(c.enclosingPosition, s"$sym is not a case class") + val fields = sym.info.decls.toList.collect{ case x: TermSymbol if x.isVal && x.isCaseAccessor => x } + + def mkTpt() = { + val core = Ident(TupleClass(fields.length) orElse UnitClass) + if (fields.length == 0) core + else AppliedTypeTree(core, fields map (f => TypeTree(f.info))) + } + + def mkFrom() = { + if (fields.length == 0) Literal(Constant(Unit)) + else Apply(Ident(newTermName("Tuple" + fields.length)), fields map (f => Select(Ident(newTermName("f")), newTermName(f.name.toString.trim)))) + } + + val evidenceClass = ClassDef(Modifiers(FINAL), newTypeName("$anon"), List(), Template( + List(AppliedTypeTree(Ident(newTypeName("FundepMaterialization")), List(Ident(sym), mkTpt()))), + emptyValDef, + List( + DefDef(Modifiers(), termNames.CONSTRUCTOR, List(), List(List()), TypeTree(), Block(List(Apply(Select(Super(This(typeNames.EMPTY), typeNames.EMPTY), termNames.CONSTRUCTOR), List())), Literal(Constant(())))), + DefDef(Modifiers(), newTermName("to"), List(), List(List(ValDef(Modifiers(PARAM), newTermName("f"), Ident(sym), EmptyTree))), TypeTree(), mkFrom())))) + c.Expr[FundepMaterialization[T, U]](Block(List(evidenceClass), Apply(Select(New(Ident(newTypeName("$anon"))), termNames.CONSTRUCTOR), List()))) + } +} + +object FundepMaterialization { + implicit def materializeIso[T, U]: FundepMaterialization[T, U] = macro FundepMaterializationBundle.impl[T, U] +} + +// whitebox use case #3: dynamic materialization + +trait DynamicMaterialization[T] + +class C1(val x: Int) +class C2(val x: String) + +trait LowPriority { + implicit def lessSpecific[T]: DynamicMaterialization[T] = null +} + +object DynamicMaterialization extends LowPriority { + implicit def moreSpecific[T]: DynamicMaterialization[T] = macro DynamicMaterializationBundle.impl[T] +} + +class DynamicMaterializationBundle(val c: Context) { + import c.universe._ + def impl[T: c.WeakTypeTag] = { + val tpe = weakTypeOf[T] + if (tpe.members.exists(_.info =:= typeOf[Int])) + c.abort(c.enclosingPosition, "I don't like classes that contain integers") + q"new DynamicMaterialization[$tpe]{ override def toString = ${tpe.toString} }" + } +} + +// whitebox use case #4: extractor macros + +object ExtractorMacro { + def unapply(x: Int): Any = macro ExtractorBundle.unapplyImpl +} + +class ExtractorBundle(val c: Context) { + import c.universe._ + def unapplyImpl(x: Tree) = { + q""" + new { + class Match(x: Int) { + def isEmpty = false + def get = x + } + def unapply(x: Int) = new Match(x) + }.unapply($x) + """ + } +} diff --git a/tests/untried/neg/macro-bundle-whitebox-use-raw/Test_2.scala b/tests/untried/neg/macro-bundle-whitebox-use-raw/Test_2.scala new file mode 100644 index 000000000..995da737c --- /dev/null +++ b/tests/untried/neg/macro-bundle-whitebox-use-raw/Test_2.scala @@ -0,0 +1,19 @@ +object Test extends App { + println(ReturnTypeRefinement.foo.x) + + case class Foo(i: Int, s: String, b: Boolean) + def foo[C, L](c: C)(implicit iso: FundepMaterialization[C, L]): L = iso.to(c) + locally { + val equiv = foo(Foo(23, "foo", true)) + def typed[T](t: => T): Unit = {} + typed[(Int, String, Boolean)](equiv) + println(equiv) + } + + println(implicitly[DynamicMaterialization[C1]]) + println(implicitly[DynamicMaterialization[C2]]) + + 42 match { + case ExtractorMacro(x) => println(x) + } +} diff --git a/tests/untried/neg/macro-bundle-whitebox-use-refined.check b/tests/untried/neg/macro-bundle-whitebox-use-refined.check new file mode 100644 index 000000000..5792e317a --- /dev/null +++ b/tests/untried/neg/macro-bundle-whitebox-use-refined.check @@ -0,0 +1,17 @@ +Test_2.scala:2: error: value x is not a member of Any + println(ReturnTypeRefinement.foo.x) + ^ +Test_2.scala:7: error: type mismatch; + found : FundepMaterialization[Test.Foo,(Int, String, Boolean)] + required: FundepMaterialization[Test.Foo,Nothing] +Note: (Int, String, Boolean) >: Nothing, but trait FundepMaterialization is invariant in type U. +You may wish to define U as -U instead. (SLS 4.5) + val equiv = foo(Foo(23, "foo", true)) + ^ +Test_2.scala:13: error: I don't like classes that contain integers + println(implicitly[DynamicMaterialization[C1]]) + ^ +Test_2.scala:17: error: extractor macros can only be whitebox + case ExtractorMacro(x) => println(x) + ^ +four errors found diff --git a/tests/untried/neg/macro-bundle-whitebox-use-refined/Macros_1.scala b/tests/untried/neg/macro-bundle-whitebox-use-refined/Macros_1.scala new file mode 100644 index 000000000..186604422 --- /dev/null +++ b/tests/untried/neg/macro-bundle-whitebox-use-refined/Macros_1.scala @@ -0,0 +1,108 @@ +import scala.reflect.macros.blackbox.Context +import scala.language.experimental.macros + +// whitebox use case #1: return type refinement + +class ReturnTypeRefinementBundle(val c: Context { type PrefixType = Nothing }) { + import c.universe._ + def impl = { + q""" + trait Foo { + def x = 2 + } + new Foo {} + """ + } +} + +object ReturnTypeRefinement { + def foo: Any = macro ReturnTypeRefinementBundle.impl +} + +// whitebox use case #2: fundep materialization + +trait FundepMaterialization[T, U] { + def to(t : T) : U + // def from(u : U) : T +} + +class FundepMaterializationBundle(val c: Context { type PrefixType = Nothing }) { + import c.universe._ + import definitions._ + import Flag._ + + def impl[T: c.WeakTypeTag, U: c.WeakTypeTag]: c.Expr[FundepMaterialization[T, U]] = { + val sym = c.weakTypeOf[T].typeSymbol + if (!sym.isClass || !sym.asClass.isCaseClass) c.abort(c.enclosingPosition, s"$sym is not a case class") + val fields = sym.info.decls.toList.collect{ case x: TermSymbol if x.isVal && x.isCaseAccessor => x } + + def mkTpt() = { + val core = Ident(TupleClass(fields.length) orElse UnitClass) + if (fields.length == 0) core + else AppliedTypeTree(core, fields map (f => TypeTree(f.info))) + } + + def mkFrom() = { + if (fields.length == 0) Literal(Constant(Unit)) + else Apply(Ident(newTermName("Tuple" + fields.length)), fields map (f => Select(Ident(newTermName("f")), newTermName(f.name.toString.trim)))) + } + + val evidenceClass = ClassDef(Modifiers(FINAL), newTypeName("$anon"), List(), Template( + List(AppliedTypeTree(Ident(newTypeName("FundepMaterialization")), List(Ident(sym), mkTpt()))), + emptyValDef, + List( + DefDef(Modifiers(), termNames.CONSTRUCTOR, List(), List(List()), TypeTree(), Block(List(Apply(Select(Super(This(typeNames.EMPTY), typeNames.EMPTY), termNames.CONSTRUCTOR), List())), Literal(Constant(())))), + DefDef(Modifiers(), newTermName("to"), List(), List(List(ValDef(Modifiers(PARAM), newTermName("f"), Ident(sym), EmptyTree))), TypeTree(), mkFrom())))) + c.Expr[FundepMaterialization[T, U]](Block(List(evidenceClass), Apply(Select(New(Ident(newTypeName("$anon"))), termNames.CONSTRUCTOR), List()))) + } +} + +object FundepMaterialization { + implicit def materializeIso[T, U]: FundepMaterialization[T, U] = macro FundepMaterializationBundle.impl[T, U] +} + +// whitebox use case #3: dynamic materialization + +trait DynamicMaterialization[T] + +class C1(val x: Int) +class C2(val x: String) + +trait LowPriority { + implicit def lessSpecific[T]: DynamicMaterialization[T] = null +} + +object DynamicMaterialization extends LowPriority { + implicit def moreSpecific[T]: DynamicMaterialization[T] = macro DynamicMaterializationBundle.impl[T] +} + +class DynamicMaterializationBundle(val c: Context { type PrefixType = Nothing }) { + import c.universe._ + def impl[T: c.WeakTypeTag] = { + val tpe = weakTypeOf[T] + if (tpe.members.exists(_.info =:= typeOf[Int])) + c.abort(c.enclosingPosition, "I don't like classes that contain integers") + q"new DynamicMaterialization[$tpe]{ override def toString = ${tpe.toString} }" + } +} + +// whitebox use case #4: extractor macros + +object ExtractorMacro { + def unapply(x: Int): Any = macro ExtractorBundle.unapplyImpl +} + +class ExtractorBundle(val c: Context { type PrefixType = Nothing }) { + import c.universe._ + def unapplyImpl(x: Tree) = { + q""" + new { + class Match(x: Int) { + def isEmpty = false + def get = x + } + def unapply(x: Int) = new Match(x) + }.unapply($x) + """ + } +} diff --git a/tests/untried/neg/macro-bundle-whitebox-use-refined/Test_2.scala b/tests/untried/neg/macro-bundle-whitebox-use-refined/Test_2.scala new file mode 100644 index 000000000..995da737c --- /dev/null +++ b/tests/untried/neg/macro-bundle-whitebox-use-refined/Test_2.scala @@ -0,0 +1,19 @@ +object Test extends App { + println(ReturnTypeRefinement.foo.x) + + case class Foo(i: Int, s: String, b: Boolean) + def foo[C, L](c: C)(implicit iso: FundepMaterialization[C, L]): L = iso.to(c) + locally { + val equiv = foo(Foo(23, "foo", true)) + def typed[T](t: => T): Unit = {} + typed[(Int, String, Boolean)](equiv) + println(equiv) + } + + println(implicitly[DynamicMaterialization[C1]]) + println(implicitly[DynamicMaterialization[C2]]) + + 42 match { + case ExtractorMacro(x) => println(x) + } +} diff --git a/tests/untried/neg/macro-bundle-wrongcontext-a.check b/tests/untried/neg/macro-bundle-wrongcontext-a.check new file mode 100644 index 000000000..10aadb003 --- /dev/null +++ b/tests/untried/neg/macro-bundle-wrongcontext-a.check @@ -0,0 +1,4 @@ +macro-bundle-wrongcontext-a.scala:12: error: macro bundles must be concrete monomorphic classes having a single constructor with a `val c: Context` parameter + def foo: Any = macro Bundle.impl + ^ +one error found diff --git a/tests/untried/neg/macro-bundle-wrongcontext-a.scala b/tests/untried/neg/macro-bundle-wrongcontext-a.scala new file mode 100644 index 000000000..0cfd43315 --- /dev/null +++ b/tests/untried/neg/macro-bundle-wrongcontext-a.scala @@ -0,0 +1,13 @@ +import scala.reflect.macros.whitebox._ +import scala.language.experimental.macros + +abstract class MyContext extends Context + +class Bundle(val c: MyContext) { + import c.universe._ + def impl = q"()" +} + +object Macros { + def foo: Any = macro Bundle.impl +} diff --git a/tests/untried/neg/macro-bundle-wrongcontext-b.check b/tests/untried/neg/macro-bundle-wrongcontext-b.check new file mode 100644 index 000000000..e9700d379 --- /dev/null +++ b/tests/untried/neg/macro-bundle-wrongcontext-b.check @@ -0,0 +1,4 @@ +macro-bundle-wrongcontext-b.scala:10: error: macro bundles must be concrete monomorphic classes having a single constructor with a `val c: Context` parameter + def foo: Any = macro Bundle.impl + ^ +one error found diff --git a/tests/untried/neg/macro-bundle-wrongcontext-b.scala b/tests/untried/neg/macro-bundle-wrongcontext-b.scala new file mode 100644 index 000000000..5f47e46e4 --- /dev/null +++ b/tests/untried/neg/macro-bundle-wrongcontext-b.scala @@ -0,0 +1,11 @@ +import scala.reflect.macros.whitebox._ +import scala.language.experimental.macros + +class Bundle(val c: Context { type Foo <: Int }) { + import c.universe._ + def impl = q"()" +} + +object Macros { + def foo: Any = macro Bundle.impl +} diff --git a/tests/untried/neg/macro-cyclic.check b/tests/untried/neg/macro-cyclic.check new file mode 100644 index 000000000..7978ec64a --- /dev/null +++ b/tests/untried/neg/macro-cyclic.check @@ -0,0 +1,4 @@ +Impls_Macros_1.scala:5: error: could not find implicit value for parameter e: SourceLocation + c.universe.reify { implicitly[SourceLocation] } + ^ +one error found diff --git a/tests/untried/neg/macro-cyclic.flags b/tests/untried/neg/macro-cyclic.flags new file mode 100644 index 000000000..cd66464f2 --- /dev/null +++ b/tests/untried/neg/macro-cyclic.flags @@ -0,0 +1 @@ +-language:experimental.macros
\ No newline at end of file diff --git a/tests/untried/neg/macro-cyclic/Impls_Macros_1.scala b/tests/untried/neg/macro-cyclic/Impls_Macros_1.scala new file mode 100644 index 000000000..ad6890144 --- /dev/null +++ b/tests/untried/neg/macro-cyclic/Impls_Macros_1.scala @@ -0,0 +1,25 @@ +import scala.reflect.macros.blackbox.Context + +object Macros { + def impl(c: Context) = { + c.universe.reify { implicitly[SourceLocation] } + } + + implicit def sourceLocation: SourceLocation1 = macro impl +} + +trait SourceLocation { + /** Source location of the outermost call */ + val outer: SourceLocation + + /** The name of the source file */ + val fileName: String + + /** The line number */ + val line: Int + + /** The character offset */ + val charOffset: Int +} + +case class SourceLocation1(val outer: SourceLocation, val fileName: String, val line: Int, val charOffset: Int) extends SourceLocation diff --git a/tests/untried/neg/macro-deprecate-idents.check b/tests/untried/neg/macro-deprecate-idents.check new file mode 100644 index 000000000..c5902aeea --- /dev/null +++ b/tests/untried/neg/macro-deprecate-idents.check @@ -0,0 +1,67 @@ +macro-deprecate-idents.scala:2: error: macro is now a reserved word; usage as an identifier is disallowed + val macro = ??? + ^ +macro-deprecate-idents.scala:6: error: macro is now a reserved word; usage as an identifier is disallowed + var macro = ??? + ^ +macro-deprecate-idents.scala:10: error: macro is now a reserved word; usage as an identifier is disallowed + type macro = Int + ^ +macro-deprecate-idents.scala:14: error: macro is now a reserved word; usage as an identifier is disallowed + class macro + ^ +macro-deprecate-idents.scala:18: error: macro is now a reserved word; usage as an identifier is disallowed + class macro + ^ +macro-deprecate-idents.scala:22: error: macro is now a reserved word; usage as an identifier is disallowed + object macro + ^ +macro-deprecate-idents.scala:26: error: macro is now a reserved word; usage as an identifier is disallowed + object macro + ^ +macro-deprecate-idents.scala:30: error: macro is now a reserved word; usage as an identifier is disallowed + trait macro + ^ +macro-deprecate-idents.scala:34: error: macro is now a reserved word; usage as an identifier is disallowed + trait macro + ^ +macro-deprecate-idents.scala:37: error: macro is now a reserved word; usage as an identifier is disallowed +package macro { + ^ +macro-deprecate-idents.scala:38: error: macro is now a reserved word; usage as an identifier is disallowed + package macro.bar { + ^ +macro-deprecate-idents.scala:43: error: macro is now a reserved word; usage as an identifier is disallowed + package macro.foo { + ^ +macro-deprecate-idents.scala:48: error: macro is now a reserved word; usage as an identifier is disallowed + val Some(macro) = Some(42) + ^ +macro-deprecate-idents.scala:49: error: macro is now a reserved word; usage as an identifier is disallowed + macro match { + ^ +macro-deprecate-idents.scala:50: error: macro is now a reserved word; usage as an identifier is disallowed + case macro => println(macro) + ^ +macro-deprecate-idents.scala:50: error: macro is now a reserved word; usage as an identifier is disallowed + case macro => println(macro) + ^ +macro-deprecate-idents.scala:55: error: macro is now a reserved word; usage as an identifier is disallowed + def macro = 2 + ^ +macro-deprecate-idents.scala:3: error: '=' expected but '}' found. +} +^ +macro-deprecate-idents.scala:7: error: '=' expected but '}' found. +} +^ +macro-deprecate-idents.scala:42: error: '{' expected but ';' found. +package foo { +^ +macro-deprecate-idents.scala:45: error: '{' expected but '}' found. +} +^ +macro-deprecate-idents.scala:52: error: ')' expected but '}' found. +} +^ +22 errors found diff --git a/tests/untried/neg/macro-deprecate-idents.flags b/tests/untried/neg/macro-deprecate-idents.flags new file mode 100644 index 000000000..c6bfaf1f6 --- /dev/null +++ b/tests/untried/neg/macro-deprecate-idents.flags @@ -0,0 +1 @@ +-deprecation -Xfatal-warnings diff --git a/tests/untried/neg/macro-deprecate-idents.scala b/tests/untried/neg/macro-deprecate-idents.scala new file mode 100644 index 000000000..eb418053b --- /dev/null +++ b/tests/untried/neg/macro-deprecate-idents.scala @@ -0,0 +1,56 @@ +object Test1 { + val macro = ??? +} + +object Test2 { + var macro = ??? +} + +object Test3 { + type macro = Int +} + +package test4 { + class macro +} + +object Test5 { + class macro +} + +package test6 { + object macro +} + +object Test7 { + object macro +} + +package test8 { + trait macro +} + +object Test9 { + trait macro +} + +package macro { + package macro.bar { + } +} + +package foo { + package macro.foo { + } +} + +object Test12 { + val Some(macro) = Some(42) + macro match { + case macro => println(macro) + } +} + +object Test13 { + def macro = 2 +} diff --git a/tests/untried/neg/macro-divergence-controlled.check b/tests/untried/neg/macro-divergence-controlled.check new file mode 100644 index 000000000..4876f7cf9 --- /dev/null +++ b/tests/untried/neg/macro-divergence-controlled.check @@ -0,0 +1,4 @@ +Test_2.scala:2: error: could not find implicit value for parameter e: Complex[Foo] + println(implicitly[Complex[Foo]]) + ^ +one error found diff --git a/tests/untried/neg/macro-divergence-controlled/Impls_Macros_1.scala b/tests/untried/neg/macro-divergence-controlled/Impls_Macros_1.scala new file mode 100644 index 000000000..5c0450326 --- /dev/null +++ b/tests/untried/neg/macro-divergence-controlled/Impls_Macros_1.scala @@ -0,0 +1,23 @@ +import scala.reflect.macros.whitebox.Context +import language.experimental.macros + +trait Complex[T] + +class Foo(val foo: Foo) + +object Complex { + def impl[T: c.WeakTypeTag](c: Context): c.Expr[Complex[T]] = { + import c.universe._ + val tpe = weakTypeOf[T] + for (f <- tpe.decls.collect{case f: TermSymbol if f.isParamAccessor && !f.isMethod => f}) { + val trecur = appliedType(typeOf[Complex[_]], List(f.info)) + if (c.openImplicits.tail.exists(ic => ic.pt =:= trecur)) c.abort(c.enclosingPosition, "diverging implicit expansion. reported by a macro!") + val recur = c.inferImplicitValue(trecur, silent = true) + if (recur == EmptyTree) c.abort(c.enclosingPosition, s"couldn't synthesize $trecur") + } + c.Expr[Null](q"null") + } + + implicit object ComplexString extends Complex[String] + implicit def genComplex[T]: Complex[T] = macro impl[T] +} diff --git a/tests/untried/neg/macro-divergence-controlled/Test_2.scala b/tests/untried/neg/macro-divergence-controlled/Test_2.scala new file mode 100644 index 000000000..e06175f30 --- /dev/null +++ b/tests/untried/neg/macro-divergence-controlled/Test_2.scala @@ -0,0 +1,3 @@ +object Test extends App { + println(implicitly[Complex[Foo]]) +} diff --git a/tests/untried/neg/macro-exception.check b/tests/untried/neg/macro-exception.check new file mode 100644 index 000000000..dca97aebc --- /dev/null +++ b/tests/untried/neg/macro-exception.check @@ -0,0 +1,7 @@ +Test_2.scala:2: error: exception during macro expansion: +java.lang.Exception + at Macros$.impl(Macros_1.scala:6) + + Macros.exception + ^ +one error found diff --git a/tests/untried/neg/macro-exception/Macros_1.scala b/tests/untried/neg/macro-exception/Macros_1.scala new file mode 100644 index 000000000..cd8e3c844 --- /dev/null +++ b/tests/untried/neg/macro-exception/Macros_1.scala @@ -0,0 +1,9 @@ +import scala.language.experimental.macros +import scala.reflect.macros.blackbox.Context + +object Macros { + def impl(c: Context) = { + throw new Exception() + } + def exception = macro impl +} diff --git a/tests/untried/neg/macro-exception/Test_2.scala b/tests/untried/neg/macro-exception/Test_2.scala new file mode 100644 index 000000000..223ee32c9 --- /dev/null +++ b/tests/untried/neg/macro-exception/Test_2.scala @@ -0,0 +1,3 @@ +object Test extends App { + Macros.exception +} diff --git a/tests/untried/neg/macro-false-deprecation-warning.check b/tests/untried/neg/macro-false-deprecation-warning.check new file mode 100644 index 000000000..7d56505ec --- /dev/null +++ b/tests/untried/neg/macro-false-deprecation-warning.check @@ -0,0 +1,4 @@ +Impls_Macros_1.scala:5: error: illegal start of simple expression +} +^ +one error found diff --git a/tests/untried/neg/macro-false-deprecation-warning.flags b/tests/untried/neg/macro-false-deprecation-warning.flags new file mode 100644 index 000000000..59af162db --- /dev/null +++ b/tests/untried/neg/macro-false-deprecation-warning.flags @@ -0,0 +1 @@ +-language:experimental.macros -deprecation
\ No newline at end of file diff --git a/tests/untried/neg/macro-false-deprecation-warning/Impls_Macros_1.scala b/tests/untried/neg/macro-false-deprecation-warning/Impls_Macros_1.scala new file mode 100644 index 000000000..a97dfd4dd --- /dev/null +++ b/tests/untried/neg/macro-false-deprecation-warning/Impls_Macros_1.scala @@ -0,0 +1,15 @@ +import scala.reflect.macros.blackbox.Context + +object Helper { + def unapplySeq[T](x: List[T]): Option[Seq[T]] = +} + +object Macros { + def impl[T: c.WeakTypeTag](c: Context)(x: c.Expr[List[T]]) = { + c.universe.reify(Helper.unapplySeq(x.splice)) + } + + object UnapplyMacro { + def unapplySeq[T](x: List[T]): Option[Seq[T]] = macro impl[T] + } +} diff --git a/tests/untried/neg/macro-incompatible-macro-engine-a.check b/tests/untried/neg/macro-incompatible-macro-engine-a.check new file mode 100644 index 000000000..8ae08bd16 --- /dev/null +++ b/tests/untried/neg/macro-incompatible-macro-engine-a.check @@ -0,0 +1,7 @@ +Test_3.scala:2: error: macro cannot be expanded, because it was compiled by an incompatible macro engine + Macros.foo + ^ +Test_3.scala:3: error: macro cannot be expanded, because it was compiled by an incompatible macro engine + Macros.foo + ^ +two errors found diff --git a/tests/untried/neg/macro-incompatible-macro-engine-a/Macros_2.flags b/tests/untried/neg/macro-incompatible-macro-engine-a/Macros_2.flags new file mode 100644 index 000000000..966df731d --- /dev/null +++ b/tests/untried/neg/macro-incompatible-macro-engine-a/Macros_2.flags @@ -0,0 +1 @@ +-Xplugin:.
\ No newline at end of file diff --git a/tests/untried/neg/macro-incompatible-macro-engine-a/Macros_2.scala b/tests/untried/neg/macro-incompatible-macro-engine-a/Macros_2.scala new file mode 100644 index 000000000..5b0c1faec --- /dev/null +++ b/tests/untried/neg/macro-incompatible-macro-engine-a/Macros_2.scala @@ -0,0 +1,7 @@ +import scala.language.experimental.macros +import scala.reflect.macros.blackbox.Context + +object Macros { + def impl(c: Context) = c.universe.Literal(c.universe.Constant(())) + def foo: Unit = macro impl +} diff --git a/tests/untried/neg/macro-incompatible-macro-engine-a/Plugin_1.scala b/tests/untried/neg/macro-incompatible-macro-engine-a/Plugin_1.scala new file mode 100644 index 000000000..8e727dae6 --- /dev/null +++ b/tests/untried/neg/macro-incompatible-macro-engine-a/Plugin_1.scala @@ -0,0 +1,35 @@ +package incompatibleMacroEngine + +import scala.tools.nsc.Global +import scala.tools.nsc.plugins.{Plugin => NscPlugin} + +class Plugin(val global: Global) extends NscPlugin { + import global._ + import analyzer._ + + val name = "incompatibleMacroEngine" + val description = "A sample analyzer plugin that crafts a macro impl binding with a non-standard macro engine." + val components = Nil + addMacroPlugin(MacroPlugin) + + object MacroPlugin extends MacroPlugin { + def fixupBinding(tree: Tree) = new Transformer { + override def transform(tree: Tree) = { + tree match { + case Literal(const @ Constant(x)) if tree.tpe == null => tree setType ConstantType(const) + case _ if tree.tpe == null => tree setType NoType + case _ => ; + } + super.transform(tree) + } + }.transform(tree) + + override def pluginsTypedMacroBody(typer: Typer, ddef: DefDef): Option[Tree] = { + val result = standardTypedMacroBody(typer, ddef) + val List(AnnotationInfo(atp, List(Apply(nucleus, _ :: others)), Nil)) = ddef.symbol.annotations + val updatedBinding = Apply(nucleus, Assign(Literal(Constant("macroEngine")), Literal(Constant("vxxx (implemented in the incompatibleMacroEngine plugin)"))) :: others) + ddef.symbol.setAnnotations(List(AnnotationInfo(atp, List(fixupBinding(updatedBinding)), Nil))) + Some(result) + } + } +} diff --git a/tests/untried/neg/macro-incompatible-macro-engine-a/Test_3.scala b/tests/untried/neg/macro-incompatible-macro-engine-a/Test_3.scala new file mode 100644 index 000000000..4b6836e51 --- /dev/null +++ b/tests/untried/neg/macro-incompatible-macro-engine-a/Test_3.scala @@ -0,0 +1,4 @@ +object Test extends App { + Macros.foo + Macros.foo +} diff --git a/tests/untried/neg/macro-incompatible-macro-engine-a/scalac-plugin.xml b/tests/untried/neg/macro-incompatible-macro-engine-a/scalac-plugin.xml new file mode 100644 index 000000000..42b9cdd75 --- /dev/null +++ b/tests/untried/neg/macro-incompatible-macro-engine-a/scalac-plugin.xml @@ -0,0 +1,4 @@ +<plugin> + <name>incompatible-macro-engine</name> + <classname>incompatibleMacroEngine.Plugin</classname> +</plugin>
\ No newline at end of file diff --git a/tests/untried/neg/macro-incompatible-macro-engine-b.check b/tests/untried/neg/macro-incompatible-macro-engine-b.check new file mode 100644 index 000000000..2a7510cf8 --- /dev/null +++ b/tests/untried/neg/macro-incompatible-macro-engine-b.check @@ -0,0 +1,7 @@ +Test_3.scala:2: error: macro cannot be expanded, because it was compiled by an incompatible macro engine (internal diagnostic: expected = v7.0 (implemented in Scala 2.11.0-M8), actual = vxxx (implemented in the incompatibleMacroEngine plugin)) + Macros.foo + ^ +Test_3.scala:3: error: macro cannot be expanded, because it was compiled by an incompatible macro engine (internal diagnostic: expected = v7.0 (implemented in Scala 2.11.0-M8), actual = vxxx (implemented in the incompatibleMacroEngine plugin)) + Macros.foo + ^ +two errors found diff --git a/tests/untried/neg/macro-incompatible-macro-engine-b.flags b/tests/untried/neg/macro-incompatible-macro-engine-b.flags new file mode 100644 index 000000000..037a693bb --- /dev/null +++ b/tests/untried/neg/macro-incompatible-macro-engine-b.flags @@ -0,0 +1 @@ +-Ymacro-debug-lite
\ No newline at end of file diff --git a/tests/untried/neg/macro-incompatible-macro-engine-b/Macros_2.flags b/tests/untried/neg/macro-incompatible-macro-engine-b/Macros_2.flags new file mode 100644 index 000000000..966df731d --- /dev/null +++ b/tests/untried/neg/macro-incompatible-macro-engine-b/Macros_2.flags @@ -0,0 +1 @@ +-Xplugin:.
\ No newline at end of file diff --git a/tests/untried/neg/macro-incompatible-macro-engine-b/Macros_2.scala b/tests/untried/neg/macro-incompatible-macro-engine-b/Macros_2.scala new file mode 100644 index 000000000..5b0c1faec --- /dev/null +++ b/tests/untried/neg/macro-incompatible-macro-engine-b/Macros_2.scala @@ -0,0 +1,7 @@ +import scala.language.experimental.macros +import scala.reflect.macros.blackbox.Context + +object Macros { + def impl(c: Context) = c.universe.Literal(c.universe.Constant(())) + def foo: Unit = macro impl +} diff --git a/tests/untried/neg/macro-incompatible-macro-engine-b/Plugin_1.scala b/tests/untried/neg/macro-incompatible-macro-engine-b/Plugin_1.scala new file mode 100644 index 000000000..8e727dae6 --- /dev/null +++ b/tests/untried/neg/macro-incompatible-macro-engine-b/Plugin_1.scala @@ -0,0 +1,35 @@ +package incompatibleMacroEngine + +import scala.tools.nsc.Global +import scala.tools.nsc.plugins.{Plugin => NscPlugin} + +class Plugin(val global: Global) extends NscPlugin { + import global._ + import analyzer._ + + val name = "incompatibleMacroEngine" + val description = "A sample analyzer plugin that crafts a macro impl binding with a non-standard macro engine." + val components = Nil + addMacroPlugin(MacroPlugin) + + object MacroPlugin extends MacroPlugin { + def fixupBinding(tree: Tree) = new Transformer { + override def transform(tree: Tree) = { + tree match { + case Literal(const @ Constant(x)) if tree.tpe == null => tree setType ConstantType(const) + case _ if tree.tpe == null => tree setType NoType + case _ => ; + } + super.transform(tree) + } + }.transform(tree) + + override def pluginsTypedMacroBody(typer: Typer, ddef: DefDef): Option[Tree] = { + val result = standardTypedMacroBody(typer, ddef) + val List(AnnotationInfo(atp, List(Apply(nucleus, _ :: others)), Nil)) = ddef.symbol.annotations + val updatedBinding = Apply(nucleus, Assign(Literal(Constant("macroEngine")), Literal(Constant("vxxx (implemented in the incompatibleMacroEngine plugin)"))) :: others) + ddef.symbol.setAnnotations(List(AnnotationInfo(atp, List(fixupBinding(updatedBinding)), Nil))) + Some(result) + } + } +} diff --git a/tests/untried/neg/macro-incompatible-macro-engine-b/Test_3.scala b/tests/untried/neg/macro-incompatible-macro-engine-b/Test_3.scala new file mode 100644 index 000000000..4b6836e51 --- /dev/null +++ b/tests/untried/neg/macro-incompatible-macro-engine-b/Test_3.scala @@ -0,0 +1,4 @@ +object Test extends App { + Macros.foo + Macros.foo +} diff --git a/tests/untried/neg/macro-incompatible-macro-engine-b/scalac-plugin.xml b/tests/untried/neg/macro-incompatible-macro-engine-b/scalac-plugin.xml new file mode 100644 index 000000000..42b9cdd75 --- /dev/null +++ b/tests/untried/neg/macro-incompatible-macro-engine-b/scalac-plugin.xml @@ -0,0 +1,4 @@ +<plugin> + <name>incompatible-macro-engine</name> + <classname>incompatibleMacroEngine.Plugin</classname> +</plugin>
\ No newline at end of file diff --git a/tests/untried/neg/macro-incompatible-macro-engine-c.check b/tests/untried/neg/macro-incompatible-macro-engine-c.check new file mode 100644 index 000000000..fb6c59ab7 --- /dev/null +++ b/tests/untried/neg/macro-incompatible-macro-engine-c.check @@ -0,0 +1,4 @@ +macro-incompatible-macro-engine-c.scala:2: error: can't expand macros compiled by previous versions of Scala + MacroLibCompiledByScala210x.foo + ^ +one error found diff --git a/tests/untried/neg/macro-incompatible-macro-engine-c.scala b/tests/untried/neg/macro-incompatible-macro-engine-c.scala new file mode 100644 index 000000000..75ada5da3 --- /dev/null +++ b/tests/untried/neg/macro-incompatible-macro-engine-c.scala @@ -0,0 +1,3 @@ +object Test extends App { + MacroLibCompiledByScala210x.foo +} diff --git a/tests/untried/neg/macro-invalidimpl.check b/tests/untried/neg/macro-invalidimpl.check new file mode 100644 index 000000000..ea7d71c66 --- /dev/null +++ b/tests/untried/neg/macro-invalidimpl.check @@ -0,0 +1,53 @@ +Macros_Test_2.scala:5: error: macro implementation reference has wrong shape. required: +macro [<static object>].<method name>[[<type args>]] or +macro [<macro bundle>].<method name>[[<type args>]] + def foo(x: Any) = macro impls.foo + ^ +Macros_Test_2.scala:10: error: macro implementation reference has wrong shape. required: +macro [<static object>].<method name>[[<type args>]] or +macro [<macro bundle>].<method name>[[<type args>]] + def foo(x: Any) = macro impls.foo + ^ +Macros_Test_2.scala:18: error: macro implementation reference has wrong shape. required: +macro [<static object>].<method name>[[<type args>]] or +macro [<macro bundle>].<method name>[[<type args>]] + def foo(x: Any) = macro Impls3.foo + ^ +Macros_Test_2.scala:22: error: macro implementation reference has wrong shape. required: +macro [<static object>].<method name>[[<type args>]] or +macro [<macro bundle>].<method name>[[<type args>]] + def foo(x: Any) = macro Impls4.foo + ^ +Macros_Test_2.scala:26: error: ambiguous reference to overloaded definition, +both method foo in object Impls5 of type (c: scala.reflect.macros.blackbox.Context)(x: c.Expr[Any], y: c.Expr[Any])Nothing +and method foo in object Impls5 of type (c: scala.reflect.macros.blackbox.Context)(x: c.Expr[Any])Nothing +match expected type ? + def foo(x: Any) = macro Impls5.foo + ^ +Macros_Test_2.scala:27: error: ambiguous reference to overloaded definition, +both method foo in object Impls5 of type (c: scala.reflect.macros.blackbox.Context)(x: c.Expr[Any], y: c.Expr[Any])Nothing +and method foo in object Impls5 of type (c: scala.reflect.macros.blackbox.Context)(x: c.Expr[Any])Nothing +match expected type ? + def foo(x: Any, y: Any) = macro Impls5.foo + ^ +Macros_Test_2.scala:31: error: macro implementation has incompatible shape: + required: (c: scala.reflect.macros.blackbox.Context): c.Expr[Unit] + or : (c: scala.reflect.macros.blackbox.Context): c.Tree + found : (c: scala.reflect.macros.blackbox.Context)(): c.Expr[Unit] +number of parameter sections differ + def foo1 = macro Impls6.fooEmpty + ^ +Macros_Test_2.scala:32: error: macro implementation has incompatible shape: + required: (c: scala.reflect.macros.blackbox.Context)(): c.Expr[Unit] + or : (c: scala.reflect.macros.blackbox.Context)(): c.Tree + found : (c: scala.reflect.macros.blackbox.Context): c.Expr[Unit] +number of parameter sections differ + def bar1() = macro Impls6.fooNullary + ^ +Macros_Test_2.scala:36: error: type arguments [String] do not conform to method foo's type parameter bounds [U <: Int] + def foo = macro Impls7.foo[String] + ^ +Macros_Test_2.scala:53: error: macro implementation must be public + def foo = macro Impls8.impl + ^ +10 errors found diff --git a/tests/untried/neg/macro-invalidimpl.flags b/tests/untried/neg/macro-invalidimpl.flags new file mode 100644 index 000000000..cd66464f2 --- /dev/null +++ b/tests/untried/neg/macro-invalidimpl.flags @@ -0,0 +1 @@ +-language:experimental.macros
\ No newline at end of file diff --git a/tests/untried/neg/macro-invalidimpl/Impls_1.scala b/tests/untried/neg/macro-invalidimpl/Impls_1.scala new file mode 100644 index 000000000..862c93b5e --- /dev/null +++ b/tests/untried/neg/macro-invalidimpl/Impls_1.scala @@ -0,0 +1,39 @@ +import scala.reflect.macros.blackbox.Context + +class Impls1 { + def foo(c: Context)(x: c.Expr[Any]) = ??? +} + +object Impls2 { + def foo(c: Context)(x: c.Expr[Any]) = ??? +} + +trait MacroHelpers { + object Impls4 { + def foo(c: Context)(x: c.Expr[Any]) = x + } +} + +object Impls5 { + def foo(c: Context)(x: c.Expr[Any]) = ??? + def foo(c: Context)(x: c.Expr[Any], y: c.Expr[Any]) = ??? +} + +object Impls6 { + def fooNullary(c: Context) = { + import c.universe._ + c.Expr[Unit](q"""Predef.println("it works")""") + } + + def fooEmpty(c: Context)() = fooNullary(c) +} + +object Impls7 { + def foo[U <: Int](c: Context) = ??? +} + +package foo { + object Impls8 { + private[foo] def impl(c: Context) = ??? + } +} diff --git a/tests/untried/neg/macro-invalidimpl/Macros_Test_2.scala b/tests/untried/neg/macro-invalidimpl/Macros_Test_2.scala new file mode 100644 index 000000000..44d665ea2 --- /dev/null +++ b/tests/untried/neg/macro-invalidimpl/Macros_Test_2.scala @@ -0,0 +1,55 @@ +import scala.reflect.macros.blackbox.Context + +object Macros1 { + val impls = new Impls1 + def foo(x: Any) = macro impls.foo +} + +object Macros2 { + val impls = Impls2 + def foo(x: Any) = macro impls.foo +} + +class Macros3 { + object Impls3 { + def foo(c: Context)(x: c.Expr[Any]) = ??? + } + + def foo(x: Any) = macro Impls3.foo +} + +class Macros4 extends MacroHelpers { + def foo(x: Any) = macro Impls4.foo +} + +object Macros5 { + def foo(x: Any) = macro Impls5.foo + def foo(x: Any, y: Any) = macro Impls5.foo +} + +object Macros6 { + def foo1 = macro Impls6.fooEmpty + def bar1() = macro Impls6.fooNullary +} + +object Macros7 { + def foo = macro Impls7.foo[String] +} + +object Test extends App { + println(Macros1.foo(42)) + println(Macros2.foo(42)) + println(new Macros3().foo(42)) + println(new Macros4().foo(42)) + println(Macros5.foo(42)) + println(Macros6.foo1) + println(Macros6.bar1) + println(Macros6.bar1()) + println(Macros7.foo) +} + +package foo { + object Test extends App { + def foo = macro Impls8.impl + } +} diff --git a/tests/untried/neg/macro-invalidret.check b/tests/untried/neg/macro-invalidret.check new file mode 100644 index 000000000..568cc7c57 --- /dev/null +++ b/tests/untried/neg/macro-invalidret.check @@ -0,0 +1,35 @@ +Macros_Test_2.scala:2: error: macro implementation has incompatible shape: + required: (c: scala.reflect.macros.blackbox.Context): c.Expr[Any] + or : (c: scala.reflect.macros.blackbox.Context): c.Tree + found : (c: scala.reflect.macros.blackbox.Context): Int +type mismatch for return type: Int does not conform to c.Expr[Any] + def foo1 = macro Impls.foo1 + ^ +Macros_Test_2.scala:3: error: macro implementation has incompatible shape: + required: (c: scala.reflect.macros.blackbox.Context): c.Expr[Any] + or : (c: scala.reflect.macros.blackbox.Context): c.Tree + found : (c: scala.reflect.macros.blackbox.Context): reflect.runtime.universe.Literal +type mismatch for return type: reflect.runtime.universe.Literal does not conform to c.Expr[Any] + def foo2 = macro Impls.foo2 + ^ +Macros_Test_2.scala:6: error: macro defs must have explicitly specified return types + def foo5 = macro Impls.foo5 + ^ +Macros_Test_2.scala:7: warning: macro defs must have explicitly specified return types (inference of Int from macro impl's c.Expr[Int] is deprecated and is going to stop working in 2.12) + def foo6 = macro Impls.foo6 + ^ +Macros_Test_2.scala:14: error: exception during macro expansion: +scala.NotImplementedError: an implementation is missing + at scala.Predef$.$qmark$qmark$qmark(Predef.scala:225) + at Impls$.foo3(Impls_1.scala:7) + + foo3 + ^ +Macros_Test_2.scala:15: error: macro implementation is missing + foo4 + ^ +Macros_Test_2.scala:17: warning: a pure expression does nothing in statement position; you may be omitting necessary parentheses + foo6 + ^ +two warnings found +5 errors found diff --git a/tests/untried/neg/macro-invalidret.flags b/tests/untried/neg/macro-invalidret.flags new file mode 100644 index 000000000..946c53ec0 --- /dev/null +++ b/tests/untried/neg/macro-invalidret.flags @@ -0,0 +1,3 @@ +-language:experimental.macros +-Xfatal-warnings +-deprecation
\ No newline at end of file diff --git a/tests/untried/neg/macro-invalidret/Impls_1.scala b/tests/untried/neg/macro-invalidret/Impls_1.scala new file mode 100644 index 000000000..434aeef10 --- /dev/null +++ b/tests/untried/neg/macro-invalidret/Impls_1.scala @@ -0,0 +1,10 @@ +import scala.reflect.macros.blackbox.Context +import scala.reflect.runtime.{universe => ru} + +object Impls { + def foo1(c: Context) = 2 + def foo2(c: Context) = ru.Literal(ru.Constant(42)) + def foo3(c: Context) = ??? + def foo5(c: Context) = c.universe.Literal(c.universe.Constant(42)) + def foo6(c: Context) = c.Expr[Int](c.universe.Literal(c.universe.Constant(42))) +} diff --git a/tests/untried/neg/macro-invalidret/Macros_Test_2.scala b/tests/untried/neg/macro-invalidret/Macros_Test_2.scala new file mode 100644 index 000000000..69c9346e0 --- /dev/null +++ b/tests/untried/neg/macro-invalidret/Macros_Test_2.scala @@ -0,0 +1,18 @@ +object Macros { + def foo1 = macro Impls.foo1 + def foo2 = macro Impls.foo2 + def foo3 = macro Impls.foo3 + def foo4 = macro ??? + def foo5 = macro Impls.foo5 + def foo6 = macro Impls.foo6 +} + +object Test extends App { + import Macros._ + foo1 + foo2 + foo3 + foo4 + foo5 + foo6 +} diff --git a/tests/untried/neg/macro-invalidshape.check b/tests/untried/neg/macro-invalidshape.check new file mode 100644 index 000000000..aa694df6d --- /dev/null +++ b/tests/untried/neg/macro-invalidshape.check @@ -0,0 +1,20 @@ +Macros_Test_2.scala:2: error: macro implementation reference has wrong shape. required: +macro [<static object>].<method name>[[<type args>]] or +macro [<macro bundle>].<method name>[[<type args>]] + def foo1(x: Any) = macro 2 + ^ +Macros_Test_2.scala:3: error: macro implementation reference has wrong shape. required: +macro [<static object>].<method name>[[<type args>]] or +macro [<macro bundle>].<method name>[[<type args>]] + def foo2(x: Any) = macro Impls.foo(null)(null) + ^ +Macros_Test_2.scala:4: error: missing arguments for method foo in object Impls; +follow this method with `_' if you want to treat it as a partially applied function + def foo3(x: Any) = macro {2; Impls.foo} + ^ +Macros_Test_2.scala:7: error: macro implementation reference has wrong shape. required: +macro [<static object>].<method name>[[<type args>]] or +macro [<macro bundle>].<method name>[[<type args>]] + def foo = macro impl + ^ +four errors found diff --git a/tests/untried/neg/macro-invalidshape.flags b/tests/untried/neg/macro-invalidshape.flags new file mode 100644 index 000000000..cd66464f2 --- /dev/null +++ b/tests/untried/neg/macro-invalidshape.flags @@ -0,0 +1 @@ +-language:experimental.macros
\ No newline at end of file diff --git a/tests/untried/neg/macro-invalidshape/Impls_1.scala b/tests/untried/neg/macro-invalidshape/Impls_1.scala new file mode 100644 index 000000000..acc6b52b7 --- /dev/null +++ b/tests/untried/neg/macro-invalidshape/Impls_1.scala @@ -0,0 +1,5 @@ +import scala.reflect.macros.blackbox.Context + +object Impls { + def foo(c: Context)(x: c.Expr[Any]) = ??? +} diff --git a/tests/untried/neg/macro-invalidshape/Macros_Test_2.scala b/tests/untried/neg/macro-invalidshape/Macros_Test_2.scala new file mode 100644 index 000000000..aaeb34253 --- /dev/null +++ b/tests/untried/neg/macro-invalidshape/Macros_Test_2.scala @@ -0,0 +1,17 @@ +object Macros { + def foo1(x: Any) = macro 2 + def foo2(x: Any) = macro Impls.foo(null)(null) + def foo3(x: Any) = macro {2; Impls.foo} + { + def impl(c: scala.reflect.macros.blackbox.Context) = { import c.universe._; c.Expr[Unit](q"()") } + def foo = macro impl + foo + } +} + +object Test extends App { + import Macros._ + foo1(42) + foo2(42) + foo3(42) +} diff --git a/tests/untried/neg/macro-invalidsig-params-badtype.check b/tests/untried/neg/macro-invalidsig-params-badtype.check new file mode 100644 index 000000000..159754c72 --- /dev/null +++ b/tests/untried/neg/macro-invalidsig-params-badtype.check @@ -0,0 +1,8 @@ +Impls_Macros_1.scala:8: error: macro implementation has incompatible shape: + required: (c: scala.reflect.macros.blackbox.Context)(x: c.Expr[Int]): c.Expr[Nothing] + or : (c: scala.reflect.macros.blackbox.Context)(x: c.Tree): c.Tree + found : (c: scala.reflect.macros.blackbox.Context)(x: Int): Nothing +type mismatch for parameter x: c.Expr[Int] does not conform to Int + def foo(x: Int) = macro Impls.foo + ^ +one error found diff --git a/tests/untried/neg/macro-invalidsig-params-badtype.flags b/tests/untried/neg/macro-invalidsig-params-badtype.flags new file mode 100644 index 000000000..cd66464f2 --- /dev/null +++ b/tests/untried/neg/macro-invalidsig-params-badtype.flags @@ -0,0 +1 @@ +-language:experimental.macros
\ No newline at end of file diff --git a/tests/untried/neg/macro-invalidsig-params-badtype/Impls_Macros_1.scala b/tests/untried/neg/macro-invalidsig-params-badtype/Impls_Macros_1.scala new file mode 100644 index 000000000..e549cc957 --- /dev/null +++ b/tests/untried/neg/macro-invalidsig-params-badtype/Impls_Macros_1.scala @@ -0,0 +1,9 @@ +import scala.reflect.macros.blackbox.Context + +object Impls { + def foo(c: Context)(x: Int) = ??? +} + +object Macros { + def foo(x: Int) = macro Impls.foo +} diff --git a/tests/untried/neg/macro-invalidsig.check b/tests/untried/neg/macro-invalidsig.check new file mode 100644 index 000000000..8898ffc3d --- /dev/null +++ b/tests/untried/neg/macro-invalidsig.check @@ -0,0 +1,85 @@ +Macros_Test_2.scala:2: error: macro implementations cannot have implicit parameters other than WeakTypeTag evidences + def foo[U]: Int = macro Impls1.foo[U] + ^ +Macros_Test_2.scala:6: error: macro implementation has incompatible shape: + required: (c: scala.reflect.macros.blackbox.Context): c.Expr[Nothing] + or : (c: scala.reflect.macros.blackbox.Context): c.Tree + found : : Nothing +number of parameter sections differ + def foo = macro Impls2.foo + ^ +Macros_Test_2.scala:10: error: macro implementation has incompatible shape: + required: (c: scala.reflect.macros.blackbox.Context): c.Expr[Nothing] + or : (c: scala.reflect.macros.blackbox.Context): c.Tree + found : (c: scala.reflect.api.Universe): Nothing +type mismatch for parameter c: scala.reflect.macros.blackbox.Context does not conform to scala.reflect.api.Universe + def foo = macro Impls3.foo + ^ +Macros_Test_2.scala:14: error: macro implementation has incompatible shape: + required: (c: scala.reflect.macros.blackbox.Context): c.Expr[Nothing] + or : (c: scala.reflect.macros.blackbox.Context): c.Tree + found : (cs: scala.reflect.macros.blackbox.Context*): Nothing +types incompatible for parameter cs: corresponding is not a vararg parameter + def foo = macro Impls4.foo + ^ +Macros_Test_2.scala:18: error: macro implementation has incompatible shape: + required: (c: scala.reflect.macros.blackbox.Context)(x: c.Expr[Any]): c.Expr[Nothing] + or : (c: scala.reflect.macros.blackbox.Context)(x: c.Tree): c.Tree + found : (c: scala.reflect.macros.blackbox.Context): Nothing +number of parameter sections differ + def foo(x: Any) = macro Impls5.foo + ^ +Macros_Test_2.scala:22: error: macro implementations cannot have implicit parameters other than WeakTypeTag evidences + def foo[U](x: Int) = macro Impls6.foo[T, U] + ^ +Macros_Test_2.scala:26: error: macro implementation has incompatible shape: + required: (c: scala.reflect.macros.blackbox.Context)(x: c.Expr[Int]): c.Expr[Nothing] + or : (c: scala.reflect.macros.blackbox.Context)(x: c.Tree): c.Tree + found : (c: scala.reflect.macros.blackbox.Context)(x: c.Expr[Int], y: c.Expr[Int]): Nothing +parameter lists have different length, found extra parameter y: c.Expr[Int] + def foo(x: Int) = macro Impls7.foo + ^ +Macros_Test_2.scala:30: error: macro implementation has incompatible shape: + required: (c: scala.reflect.macros.blackbox.Context)(x: c.Expr[Int]): c.Expr[Nothing] + or : (c: scala.reflect.macros.blackbox.Context)(x: c.Tree): c.Tree + found : (c: scala.reflect.macros.blackbox.Context)(x: c.universe.Symbol): Nothing +type mismatch for parameter x: c.Expr[Int] does not conform to c.universe.Symbol + def foo(x: Int) = macro Impls8.foo + ^ +Macros_Test_2.scala:34: error: macro implementation has incompatible shape: + required: (c: scala.reflect.macros.blackbox.Context)(x: c.Expr[Int], y: c.Expr[Int]): c.Expr[Nothing] + or : (c: scala.reflect.macros.blackbox.Context)(x: c.Tree, y: c.Tree): c.Tree + found : (c: scala.reflect.macros.blackbox.Context)(xs: c.Expr[Int]*): Nothing +parameter lists have different length, required extra parameter y: c.Expr[Int] + def foo(x: Int, y: Int) = macro Impls9.foo + ^ +Macros_Test_2.scala:38: error: macro implementation has incompatible shape: + required: (c: scala.reflect.macros.blackbox.Context)(x: c.Expr[Int], y: c.Expr[Int]): c.Expr[Nothing] + or : (c: scala.reflect.macros.blackbox.Context)(x: c.Tree, y: c.Tree): c.Tree + found : (c: scala.reflect.macros.blackbox.Context)(y: c.Expr[Int], x: c.Expr[Int]): Nothing +parameter names differ: x != y + def foo(x: Int, y: Int) = macro Impls10.foo + ^ +Macros_Test_2.scala:42: error: macro implementation has incompatible shape: + required: (c: scala.reflect.macros.blackbox.Context): c.Expr[Nothing] + or : (c: scala.reflect.macros.blackbox.Context): c.Tree + found : (c: scala.reflect.macros.blackbox.Context)(U: c.universe.Type): Nothing +number of parameter sections differ + def foo[U] = macro Impls11.foo[U] + ^ +Macros_Test_2.scala:46: error: type arguments [U] do not conform to method foo's type parameter bounds [U <: String] + def foo[U] = macro Impls12.foo[U] + ^ +Macros_Test_2.scala:50: error: type arguments [U] do not conform to method foo's type parameter bounds [U <: String] + def foo[U <: Int] = macro Impls13.foo[U] + ^ +Macros_Test_2.scala:54: error: macro implementation reference has too few type arguments for method foo: [U](c: scala.reflect.macros.blackbox.Context)(implicit evidence$4: c.WeakTypeTag[U])Nothing + def foo = macro Impls14.foo + ^ +Macros_Test_2.scala:59: error: macro implementation reference has too few type arguments for method foo: [T, U, V](c: scala.reflect.macros.blackbox.Context)(implicit evidence$5: c.WeakTypeTag[T], implicit evidence$6: c.WeakTypeTag[U], implicit V: c.WeakTypeTag[V])c.Expr[Unit] + def foo15[V]: Unit = macro Impls15.foo + ^ +Macros_Test_2.scala:60: error: wrong number of type parameters for method foo: [T, U, V](c: scala.reflect.macros.blackbox.Context)(implicit evidence$7: c.WeakTypeTag[T], implicit evidence$8: c.WeakTypeTag[U], implicit V: c.WeakTypeTag[V])c.Expr[Unit] + def foo16[V]: Unit = macro Impls16.foo[V] + ^ +16 errors found diff --git a/tests/untried/neg/macro-invalidsig.flags b/tests/untried/neg/macro-invalidsig.flags new file mode 100644 index 000000000..cd66464f2 --- /dev/null +++ b/tests/untried/neg/macro-invalidsig.flags @@ -0,0 +1 @@ +-language:experimental.macros
\ No newline at end of file diff --git a/tests/untried/neg/macro-invalidsig/Impls_1.scala b/tests/untried/neg/macro-invalidsig/Impls_1.scala new file mode 100644 index 000000000..2816c4ddf --- /dev/null +++ b/tests/untried/neg/macro-invalidsig/Impls_1.scala @@ -0,0 +1,86 @@ +import scala.reflect.runtime.universe._ +import scala.reflect.macros.blackbox.Context + +object Impls1 { + def foo[U: c.WeakTypeTag: Numeric](c: Context) = { import c.universe._; q"42" } +} + +object Impls2 { + def foo = ??? +} + +object Impls3 { + def foo(c: scala.reflect.api.Universe) = ??? +} + +object Impls4 { + def foo(cs: Context*) = ??? +} + +object Impls5 { + def foo(c: Context) = ??? +} + +object Impls6 { + def foo[T, U: c.WeakTypeTag](c: Context)(implicit x: c.Expr[Int]) = { + import c.{prefix => prefix} + import c.universe._ + c.Expr[Unit](q""" + println("invoking foo_targs...") + println("type of prefix is: " + ${prefix.staticType.toString}) + println("U is: " + ${implicitly[c.WeakTypeTag[U]].tpe.toString}) + """) + } +} + +object Impls7 { + def foo(c: Context)(x: c.Expr[Int], y: c.Expr[Int]) = ??? +} + +object Impls8 { + def foo(c: Context)(x: c.universe.Symbol) = ??? +} + +object Impls9 { + def foo(c: Context)(xs: c.Expr[Int]*) = ??? +} + +object Impls10 { + def foo(c: Context)(y: c.Expr[Int], x: c.Expr[Int]) = ??? +} + +object Impls11 { + def foo[U](c: Context)(U: c.universe.Type) = ??? +} + +object Impls12 { + def foo[U <: String](c: Context) = ??? +} + +object Impls13 { + def foo[U <: String](c: Context) = ??? +} + +object Impls14 { + def foo[U: c.WeakTypeTag](c: Context) = ??? +} + +object Impls15 { + def foo[T: c.WeakTypeTag, U: c.WeakTypeTag, V](c: Context)(implicit V: c.WeakTypeTag[V]): c.Expr[Unit] = { + import c.universe._ + println(implicitly[c.WeakTypeTag[T]]) + println(implicitly[c.WeakTypeTag[U]]) + println(V) + c.Expr[Unit](q"()") + } +} + +object Impls16 { + def foo[T: c.WeakTypeTag, U: c.WeakTypeTag, V](c: Context)(implicit V: c.WeakTypeTag[V]): c.Expr[Unit] = { + import c.universe._ + println(implicitly[c.WeakTypeTag[T]]) + println(implicitly[c.WeakTypeTag[U]]) + println(V) + c.Expr[Unit](q"()") + } +} diff --git a/tests/untried/neg/macro-invalidsig/Macros_Test_2.scala b/tests/untried/neg/macro-invalidsig/Macros_Test_2.scala new file mode 100644 index 000000000..d662a029e --- /dev/null +++ b/tests/untried/neg/macro-invalidsig/Macros_Test_2.scala @@ -0,0 +1,83 @@ +object Macros1 { + def foo[U]: Int = macro Impls1.foo[U] +} + +object Macros2 { + def foo = macro Impls2.foo +} + +object Macros3 { + def foo = macro Impls3.foo +} + +object Macros4 { + def foo = macro Impls4.foo +} + +object Macros5 { + def foo(x: Any) = macro Impls5.foo +} + +class Macros6[T] { + def foo[U](x: Int) = macro Impls6.foo[T, U] +} + +object Macros7 { + def foo(x: Int) = macro Impls7.foo +} + +object Macros8 { + def foo(x: Int) = macro Impls8.foo +} + +object Macros9 { + def foo(x: Int, y: Int) = macro Impls9.foo +} + +object Macros10 { + def foo(x: Int, y: Int) = macro Impls10.foo +} + +object Macros11 { + def foo[U] = macro Impls11.foo[U] +} + +object Macros12 { + def foo[U] = macro Impls12.foo[U] +} + +object Macros13 { + def foo[U <: Int] = macro Impls13.foo[U] +} + +object Macros14 { + def foo = macro Impls14.foo +} + +class D[T] { + class C[U] { + def foo15[V]: Unit = macro Impls15.foo + def foo16[V]: Unit = macro Impls16.foo[V] + } +} + +object Test extends App { + println(Macros1.foo[String]) + println(Macros2.foo) + println(Macros3.foo) + println(Macros4.foo) + println(Macros5.foo(42)) + println(new Macros6[Int]().foo[String](42)) + println(Macros7.foo(42)) + println(Macros8.foo) + println(Macros9.foo(4, 2)) + println(Macros10.foo(4, 2)) + println(Macros11.foo[Int]) + println(Macros12.foo[Int]) + println(Macros13.foo[Int]) + println(Macros14.foo) + val outer1 = new D[Int] + val outer2 = new outer1.C[String] + outer2.foo15[Boolean] + outer2.foo16[Boolean] +} diff --git a/tests/untried/neg/macro-invalidusage-badargs.check b/tests/untried/neg/macro-invalidusage-badargs.check new file mode 100644 index 000000000..4c1115418 --- /dev/null +++ b/tests/untried/neg/macro-invalidusage-badargs.check @@ -0,0 +1,18 @@ +Macros_Test_2.scala:5: error: type mismatch; + found : String("42") + required: Int + foo("42") + ^ +Macros_Test_2.scala:6: error: too few argument lists for macro invocation + foo + ^ +Macros_Test_2.scala:7: error: Int does not take parameters + foo(4)(2) + ^ +Macros_Test_2.scala:8: error: macro applications do not support named and/or default arguments + foo() + ^ +Macros_Test_2.scala:9: error: too many arguments for macro method foo: (x: Int)Int + foo(4, 2) + ^ +5 errors found diff --git a/tests/untried/neg/macro-invalidusage-badargs.flags b/tests/untried/neg/macro-invalidusage-badargs.flags new file mode 100644 index 000000000..cd66464f2 --- /dev/null +++ b/tests/untried/neg/macro-invalidusage-badargs.flags @@ -0,0 +1 @@ +-language:experimental.macros
\ No newline at end of file diff --git a/tests/untried/neg/macro-invalidusage-badargs/Impls_1.scala b/tests/untried/neg/macro-invalidusage-badargs/Impls_1.scala new file mode 100644 index 000000000..8765cfbd5 --- /dev/null +++ b/tests/untried/neg/macro-invalidusage-badargs/Impls_1.scala @@ -0,0 +1,5 @@ +import scala.reflect.macros.blackbox.Context + +object Impls { + def foo(c: Context)(x: c.Expr[Int]) = x +} diff --git a/tests/untried/neg/macro-invalidusage-badargs/Macros_Test_2.scala b/tests/untried/neg/macro-invalidusage-badargs/Macros_Test_2.scala new file mode 100644 index 000000000..05ba98730 --- /dev/null +++ b/tests/untried/neg/macro-invalidusage-badargs/Macros_Test_2.scala @@ -0,0 +1,10 @@ +object Macros { def foo(x: Int): Int = macro Impls.foo } +import Macros._ + +object Test extends App { + foo("42") + foo + foo(4)(2) + foo() + foo(4, 2) +} diff --git a/tests/untried/neg/macro-invalidusage-badbounds.check b/tests/untried/neg/macro-invalidusage-badbounds.check new file mode 100644 index 000000000..277f407d3 --- /dev/null +++ b/tests/untried/neg/macro-invalidusage-badbounds.check @@ -0,0 +1,4 @@ +Macros_Test_2.scala:7: error: type arguments [Int] do not conform to macro method foo's type parameter bounds [U <: String] + foo[Int] + ^ +one error found diff --git a/tests/untried/neg/macro-invalidusage-badbounds.flags b/tests/untried/neg/macro-invalidusage-badbounds.flags new file mode 100644 index 000000000..cd66464f2 --- /dev/null +++ b/tests/untried/neg/macro-invalidusage-badbounds.flags @@ -0,0 +1 @@ +-language:experimental.macros
\ No newline at end of file diff --git a/tests/untried/neg/macro-invalidusage-badbounds/Impls_1.scala b/tests/untried/neg/macro-invalidusage-badbounds/Impls_1.scala new file mode 100644 index 000000000..1769da91e --- /dev/null +++ b/tests/untried/neg/macro-invalidusage-badbounds/Impls_1.scala @@ -0,0 +1,5 @@ +import scala.reflect.macros.blackbox.Context + +object Impls { + def foo[U <: String](c: Context) = { import c.universe._; c.Expr[Unit](q"()") } +} diff --git a/tests/untried/neg/macro-invalidusage-badbounds/Macros_Test_2.scala b/tests/untried/neg/macro-invalidusage-badbounds/Macros_Test_2.scala new file mode 100644 index 000000000..546bc7acc --- /dev/null +++ b/tests/untried/neg/macro-invalidusage-badbounds/Macros_Test_2.scala @@ -0,0 +1,8 @@ +object Macros { + def foo[U <: String]: Unit = macro Impls.foo[U] +} + +object Test extends App { + import Macros._ + foo[Int] +} diff --git a/tests/untried/neg/macro-invalidusage-badtargs.check b/tests/untried/neg/macro-invalidusage-badtargs.check new file mode 100644 index 000000000..722ec0376 --- /dev/null +++ b/tests/untried/neg/macro-invalidusage-badtargs.check @@ -0,0 +1,18 @@ +Macros_Test_2.scala:13: error: macro method foo1: (x: Int)Int does not take type parameters. + foo1[String](42) + ^ +Macros_Test_2.scala:14: error: wrong number of type parameters for macro method foo2: [T](x: Int)Int + foo2[String, String](42) + ^ +Macros_Test_2.scala:15: error: wrong number of type parameters for macro method foo3: [T, U](x: Int)Int + foo3[String](42) + ^ +Macros_Test_2.scala:16: error: String takes no type parameters, expected: one + foo4[String](42) + ^ +Macros_Test_2.scala:17: error: kinds of the type arguments (List) do not conform to the expected kinds of the type parameters (type T). +List's type parameters do not match type T's expected parameters: +type A has no type parameters, but type U has one + foo5[List](42) + ^ +5 errors found diff --git a/tests/untried/neg/macro-invalidusage-badtargs.flags b/tests/untried/neg/macro-invalidusage-badtargs.flags new file mode 100644 index 000000000..cd66464f2 --- /dev/null +++ b/tests/untried/neg/macro-invalidusage-badtargs.flags @@ -0,0 +1 @@ +-language:experimental.macros
\ No newline at end of file diff --git a/tests/untried/neg/macro-invalidusage-badtargs/Impls_1.scala b/tests/untried/neg/macro-invalidusage-badtargs/Impls_1.scala new file mode 100644 index 000000000..8765cfbd5 --- /dev/null +++ b/tests/untried/neg/macro-invalidusage-badtargs/Impls_1.scala @@ -0,0 +1,5 @@ +import scala.reflect.macros.blackbox.Context + +object Impls { + def foo(c: Context)(x: c.Expr[Int]) = x +} diff --git a/tests/untried/neg/macro-invalidusage-badtargs/Macros_Test_2.scala b/tests/untried/neg/macro-invalidusage-badtargs/Macros_Test_2.scala new file mode 100644 index 000000000..be61c4e8e --- /dev/null +++ b/tests/untried/neg/macro-invalidusage-badtargs/Macros_Test_2.scala @@ -0,0 +1,18 @@ +import scala.language.higherKinds + +object Macros { + def foo1(x: Int): Int = macro Impls.foo + def foo2[T](x: Int): Int = macro Impls.foo + def foo3[T, U](x: Int): Int = macro Impls.foo + def foo4[T[_]](x: Int): Int = macro Impls.foo + def foo5[T[U[_]]](x: Int): Int = macro Impls.foo +} + +object Test extends App { + import Macros._ + foo1[String](42) + foo2[String, String](42) + foo3[String](42) + foo4[String](42) + foo5[List](42) +} diff --git a/tests/untried/neg/macro-invalidusage-methodvaluesyntax.check b/tests/untried/neg/macro-invalidusage-methodvaluesyntax.check new file mode 100644 index 000000000..10046b230 --- /dev/null +++ b/tests/untried/neg/macro-invalidusage-methodvaluesyntax.check @@ -0,0 +1,4 @@ +Macros_Test_2.scala:6: error: macros cannot be eta-expanded + val firstClassFoo = Macros.foo _ + ^ +one error found diff --git a/tests/untried/neg/macro-invalidusage-methodvaluesyntax.flags b/tests/untried/neg/macro-invalidusage-methodvaluesyntax.flags new file mode 100644 index 000000000..cd66464f2 --- /dev/null +++ b/tests/untried/neg/macro-invalidusage-methodvaluesyntax.flags @@ -0,0 +1 @@ +-language:experimental.macros
\ No newline at end of file diff --git a/tests/untried/neg/macro-invalidusage-methodvaluesyntax/Impls_1.scala b/tests/untried/neg/macro-invalidusage-methodvaluesyntax/Impls_1.scala new file mode 100644 index 000000000..5cf284750 --- /dev/null +++ b/tests/untried/neg/macro-invalidusage-methodvaluesyntax/Impls_1.scala @@ -0,0 +1,8 @@ +import scala.reflect.macros.blackbox.Context + +object Impls { + def foo(c: Context) = { + import c.universe._ + c.Expr[Unit](q"""println("it works")""") + } +} diff --git a/tests/untried/neg/macro-invalidusage-methodvaluesyntax/Macros_Test_2.scala b/tests/untried/neg/macro-invalidusage-methodvaluesyntax/Macros_Test_2.scala new file mode 100644 index 000000000..83bc8dbfe --- /dev/null +++ b/tests/untried/neg/macro-invalidusage-methodvaluesyntax/Macros_Test_2.scala @@ -0,0 +1,8 @@ +object Macros { + def foo: Unit = macro Impls.foo +} + +object Test extends App { + val firstClassFoo = Macros.foo _ + firstClassFoo +} diff --git a/tests/untried/neg/macro-invalidusage-nontypeable.check b/tests/untried/neg/macro-invalidusage-nontypeable.check new file mode 100644 index 000000000..88e6057e5 --- /dev/null +++ b/tests/untried/neg/macro-invalidusage-nontypeable.check @@ -0,0 +1,4 @@ +Test_2.scala:2: error: not found: value IDoNotExist + Macros.foo + ^ +one error found diff --git a/tests/untried/neg/macro-invalidusage-nontypeable.flags b/tests/untried/neg/macro-invalidusage-nontypeable.flags new file mode 100644 index 000000000..cd66464f2 --- /dev/null +++ b/tests/untried/neg/macro-invalidusage-nontypeable.flags @@ -0,0 +1 @@ +-language:experimental.macros
\ No newline at end of file diff --git a/tests/untried/neg/macro-invalidusage-nontypeable/Impls_Macros_1.scala b/tests/untried/neg/macro-invalidusage-nontypeable/Impls_Macros_1.scala new file mode 100644 index 000000000..76d696bf1 --- /dev/null +++ b/tests/untried/neg/macro-invalidusage-nontypeable/Impls_Macros_1.scala @@ -0,0 +1,13 @@ +import scala.reflect.macros.blackbox.Context + +object Impls { + def foo(c: Context) = { + import c.universe._ + val body = Ident(TermName("IDoNotExist")) + c.Expr[Int](body) + } +} + +object Macros { + def foo = macro Impls.foo +} diff --git a/tests/untried/neg/macro-invalidusage-nontypeable/Test_2.scala b/tests/untried/neg/macro-invalidusage-nontypeable/Test_2.scala new file mode 100644 index 000000000..5d19639cd --- /dev/null +++ b/tests/untried/neg/macro-invalidusage-nontypeable/Test_2.scala @@ -0,0 +1,3 @@ +object Test extends App { + Macros.foo +} diff --git a/tests/untried/neg/macro-invalidusage-presuper.check b/tests/untried/neg/macro-invalidusage-presuper.check new file mode 100644 index 000000000..c0b1ec024 --- /dev/null +++ b/tests/untried/neg/macro-invalidusage-presuper.check @@ -0,0 +1,4 @@ +Macros_Test_2.scala:3: error: only concrete field definitions allowed in early object initialization section +class D extends { def x = macro impl } with AnyRef + ^ +one error found diff --git a/tests/untried/neg/macro-invalidusage-presuper.flags b/tests/untried/neg/macro-invalidusage-presuper.flags new file mode 100644 index 000000000..cd66464f2 --- /dev/null +++ b/tests/untried/neg/macro-invalidusage-presuper.flags @@ -0,0 +1 @@ +-language:experimental.macros
\ No newline at end of file diff --git a/tests/untried/neg/macro-invalidusage-presuper/Impls_1.scala b/tests/untried/neg/macro-invalidusage-presuper/Impls_1.scala new file mode 100644 index 000000000..ea98f01fa --- /dev/null +++ b/tests/untried/neg/macro-invalidusage-presuper/Impls_1.scala @@ -0,0 +1,5 @@ +import scala.reflect.macros.blackbox.Context + +object Impls { + def impl(c: Context) = { import c.universe._; c.Expr[Unit](q"()") } +}
\ No newline at end of file diff --git a/tests/untried/neg/macro-invalidusage-presuper/Macros_Test_2.scala b/tests/untried/neg/macro-invalidusage-presuper/Macros_Test_2.scala new file mode 100644 index 000000000..ff46a5915 --- /dev/null +++ b/tests/untried/neg/macro-invalidusage-presuper/Macros_Test_2.scala @@ -0,0 +1,3 @@ +import Impls._ + +class D extends { def x = macro impl } with AnyRef
\ No newline at end of file diff --git a/tests/untried/neg/macro-noexpand.check b/tests/untried/neg/macro-noexpand.check new file mode 100644 index 000000000..2c176a99b --- /dev/null +++ b/tests/untried/neg/macro-noexpand.check @@ -0,0 +1,4 @@ +Macros_Test_2.scala:7: error: not found: value x + foo(x) + ^ +one error found diff --git a/tests/untried/neg/macro-noexpand.flags b/tests/untried/neg/macro-noexpand.flags new file mode 100644 index 000000000..cd66464f2 --- /dev/null +++ b/tests/untried/neg/macro-noexpand.flags @@ -0,0 +1 @@ +-language:experimental.macros
\ No newline at end of file diff --git a/tests/untried/neg/macro-noexpand/Impls_1.scala b/tests/untried/neg/macro-noexpand/Impls_1.scala new file mode 100644 index 000000000..acc6b52b7 --- /dev/null +++ b/tests/untried/neg/macro-noexpand/Impls_1.scala @@ -0,0 +1,5 @@ +import scala.reflect.macros.blackbox.Context + +object Impls { + def foo(c: Context)(x: c.Expr[Any]) = ??? +} diff --git a/tests/untried/neg/macro-noexpand/Macros_Test_2.scala b/tests/untried/neg/macro-noexpand/Macros_Test_2.scala new file mode 100644 index 000000000..fa9745d97 --- /dev/null +++ b/tests/untried/neg/macro-noexpand/Macros_Test_2.scala @@ -0,0 +1,8 @@ +object Macros { + def foo(x: Any) = macro Impls.foo +} + +object Test extends App { + import Macros._ + foo(x) +} diff --git a/tests/untried/neg/macro-nontypeablebody.check b/tests/untried/neg/macro-nontypeablebody.check new file mode 100644 index 000000000..9f5831ab3 --- /dev/null +++ b/tests/untried/neg/macro-nontypeablebody.check @@ -0,0 +1,4 @@ +Macros_Test_2.scala:2: error: value foo2 is not a member of object Impls + def foo(x: Any) = macro Impls.foo2 + ^ +one error found diff --git a/tests/untried/neg/macro-nontypeablebody.flags b/tests/untried/neg/macro-nontypeablebody.flags new file mode 100644 index 000000000..cd66464f2 --- /dev/null +++ b/tests/untried/neg/macro-nontypeablebody.flags @@ -0,0 +1 @@ +-language:experimental.macros
\ No newline at end of file diff --git a/tests/untried/neg/macro-nontypeablebody/Impls_1.scala b/tests/untried/neg/macro-nontypeablebody/Impls_1.scala new file mode 100644 index 000000000..acc6b52b7 --- /dev/null +++ b/tests/untried/neg/macro-nontypeablebody/Impls_1.scala @@ -0,0 +1,5 @@ +import scala.reflect.macros.blackbox.Context + +object Impls { + def foo(c: Context)(x: c.Expr[Any]) = ??? +} diff --git a/tests/untried/neg/macro-nontypeablebody/Macros_Test_2.scala b/tests/untried/neg/macro-nontypeablebody/Macros_Test_2.scala new file mode 100644 index 000000000..5eb037b25 --- /dev/null +++ b/tests/untried/neg/macro-nontypeablebody/Macros_Test_2.scala @@ -0,0 +1,8 @@ +object Macros { + def foo(x: Any) = macro Impls.foo2 +} + +object Test extends App { + import Macros._ + foo(42) +} diff --git a/tests/untried/neg/macro-override-macro-overrides-abstract-method-a.check b/tests/untried/neg/macro-override-macro-overrides-abstract-method-a.check new file mode 100644 index 000000000..6b5d3013b --- /dev/null +++ b/tests/untried/neg/macro-override-macro-overrides-abstract-method-a.check @@ -0,0 +1,5 @@ +Impls_Macros_1.scala:12: error: overriding method foo in trait Foo of type (x: Int)Int; + macro method foo cannot be used here - term macros cannot override abstract methods + def foo(x: Int): Int = macro Impls.impl + ^ +one error found diff --git a/tests/untried/neg/macro-override-macro-overrides-abstract-method-a.flags b/tests/untried/neg/macro-override-macro-overrides-abstract-method-a.flags new file mode 100644 index 000000000..cd66464f2 --- /dev/null +++ b/tests/untried/neg/macro-override-macro-overrides-abstract-method-a.flags @@ -0,0 +1 @@ +-language:experimental.macros
\ No newline at end of file diff --git a/tests/untried/neg/macro-override-macro-overrides-abstract-method-a/Impls_Macros_1.scala b/tests/untried/neg/macro-override-macro-overrides-abstract-method-a/Impls_Macros_1.scala new file mode 100644 index 000000000..916b45446 --- /dev/null +++ b/tests/untried/neg/macro-override-macro-overrides-abstract-method-a/Impls_Macros_1.scala @@ -0,0 +1,13 @@ +import scala.reflect.macros.blackbox.Context + +object Impls { + def impl(c: Context)(x: c.Expr[Int]) = x +} + +trait Foo { + def foo(x: Int): Int +} + +object Macros extends Foo { + def foo(x: Int): Int = macro Impls.impl +} diff --git a/tests/untried/neg/macro-override-macro-overrides-abstract-method-a/Test_2.scala b/tests/untried/neg/macro-override-macro-overrides-abstract-method-a/Test_2.scala new file mode 100644 index 000000000..8821dc946 --- /dev/null +++ b/tests/untried/neg/macro-override-macro-overrides-abstract-method-a/Test_2.scala @@ -0,0 +1,4 @@ +object Test extends App { + val designator: Macros.type = Macros + designator.foo(42) +} diff --git a/tests/untried/neg/macro-override-macro-overrides-abstract-method-b.check b/tests/untried/neg/macro-override-macro-overrides-abstract-method-b.check new file mode 100644 index 000000000..c73355554 --- /dev/null +++ b/tests/untried/neg/macro-override-macro-overrides-abstract-method-b.check @@ -0,0 +1,11 @@ +Test_2.scala:3: error: <$anon: C with A> inherits conflicting members: + macro method t in trait C of type ()Unit and + method t in trait A of type ()Unit +(Note: this can be resolved by declaring an override in <$anon: C with A>.) + val c2 = new C with A {} + ^ +Test_2.scala:5: error: overriding macro method t in trait C of type ()Unit; + method t cannot be used here - only term macros can override term macros + val c4 = new C with A { override def t(): Unit = () } + ^ +two errors found diff --git a/tests/untried/neg/macro-override-macro-overrides-abstract-method-b.flags b/tests/untried/neg/macro-override-macro-overrides-abstract-method-b.flags new file mode 100644 index 000000000..cd66464f2 --- /dev/null +++ b/tests/untried/neg/macro-override-macro-overrides-abstract-method-b.flags @@ -0,0 +1 @@ +-language:experimental.macros
\ No newline at end of file diff --git a/tests/untried/neg/macro-override-macro-overrides-abstract-method-b/Impls_Macros_1.scala b/tests/untried/neg/macro-override-macro-overrides-abstract-method-b/Impls_Macros_1.scala new file mode 100644 index 000000000..17827abf7 --- /dev/null +++ b/tests/untried/neg/macro-override-macro-overrides-abstract-method-b/Impls_Macros_1.scala @@ -0,0 +1,8 @@ +import scala.reflect.macros.blackbox.Context +import language.experimental.macros + +trait T { def t(): Unit } +trait A { def t(): Unit = () } + +object Macro { def t(c: Context)(): c.Expr[Unit] = c.universe.reify(()) } +trait C extends T { self: A => override def t(): Unit = macro Macro.t } diff --git a/tests/untried/neg/macro-override-macro-overrides-abstract-method-b/Test_2.scala b/tests/untried/neg/macro-override-macro-overrides-abstract-method-b/Test_2.scala new file mode 100644 index 000000000..79deae63b --- /dev/null +++ b/tests/untried/neg/macro-override-macro-overrides-abstract-method-b/Test_2.scala @@ -0,0 +1,6 @@ +object Test extends App { + val c1 = new A with C {} + val c2 = new C with A {} + val c3 = new C with A { override def t(): Unit = macro Macro.t } + val c4 = new C with A { override def t(): Unit = () } +} diff --git a/tests/untried/neg/macro-override-method-overrides-macro.check b/tests/untried/neg/macro-override-method-overrides-macro.check new file mode 100644 index 000000000..e396d65ff --- /dev/null +++ b/tests/untried/neg/macro-override-method-overrides-macro.check @@ -0,0 +1,5 @@ +Macros_Test_2.scala:8: error: overriding macro method foo in class B of type (x: String)Unit; + method foo cannot be used here - only term macros can override term macros + override def foo(x: String): Unit = println("fooDString") + ^ +one error found diff --git a/tests/untried/neg/macro-override-method-overrides-macro.flags b/tests/untried/neg/macro-override-method-overrides-macro.flags new file mode 100644 index 000000000..cd66464f2 --- /dev/null +++ b/tests/untried/neg/macro-override-method-overrides-macro.flags @@ -0,0 +1 @@ +-language:experimental.macros
\ No newline at end of file diff --git a/tests/untried/neg/macro-override-method-overrides-macro/Impls_1.scala b/tests/untried/neg/macro-override-method-overrides-macro/Impls_1.scala new file mode 100644 index 000000000..8d585be67 --- /dev/null +++ b/tests/untried/neg/macro-override-method-overrides-macro/Impls_1.scala @@ -0,0 +1,14 @@ +import scala.reflect.macros.blackbox.Context + +object Impls { + def impl(c: Context)(tag: String, x: c.Expr[_]) = { + import c.{prefix => prefix} + import c.universe._ + c.Expr[Unit](q"println($tag, ${prefix.toString}, $x)") + } + + def fooBString(c: Context)(x: c.Expr[_]) = impl(c)("fooBString", x) + def fooBInt(c: Context)(x: c.Expr[_]) = impl(c)("fooBInt", x) + def fooDInt(c: Context)(x: c.Expr[_]) = impl(c)("fooDInt", x) + def fooZString(c: Context)(x: c.Expr[_]) = impl(c)("fooZString", x) +} diff --git a/tests/untried/neg/macro-override-method-overrides-macro/Macros_Test_2.scala b/tests/untried/neg/macro-override-method-overrides-macro/Macros_Test_2.scala new file mode 100644 index 000000000..d47157766 --- /dev/null +++ b/tests/untried/neg/macro-override-method-overrides-macro/Macros_Test_2.scala @@ -0,0 +1,15 @@ +class B { + def foo(x: String): Unit = macro Impls.fooBString + def foo(x: Int): Unit = macro Impls.fooBInt + def foo(x: Boolean): Unit = println("fooBBoolean") +} + +class D extends B { + override def foo(x: String): Unit = println("fooDString") + override def foo(x: Int): Unit = macro Impls.fooDInt +} + +class Z extends D { + override def foo(x: String): Unit = macro Impls.fooZString + override def foo(x: Boolean): Unit = println("fooZBoolean") +} diff --git a/tests/untried/neg/macro-qmarkqmarkqmark.check b/tests/untried/neg/macro-qmarkqmarkqmark.check new file mode 100644 index 000000000..bc3e25eda --- /dev/null +++ b/tests/untried/neg/macro-qmarkqmarkqmark.check @@ -0,0 +1,13 @@ +macro-qmarkqmarkqmark.scala:5: error: macro implementation is missing + foo1 + ^ +macro-qmarkqmarkqmark.scala:8: error: too few argument lists for macro invocation + foo2 + ^ +macro-qmarkqmarkqmark.scala:9: error: macro implementation is missing + foo2(1) + ^ +macro-qmarkqmarkqmark.scala:12: error: macro implementation is missing + foo3[Int] + ^ +four errors found diff --git a/tests/untried/neg/macro-qmarkqmarkqmark.scala b/tests/untried/neg/macro-qmarkqmarkqmark.scala new file mode 100644 index 000000000..6c0462ea8 --- /dev/null +++ b/tests/untried/neg/macro-qmarkqmarkqmark.scala @@ -0,0 +1,13 @@ +import language.experimental.macros + +object Macros { + def foo1 = macro ??? + foo1 + + def foo2(x: Int) = macro ??? + foo2 + foo2(1) + + def foo3[T] = macro ??? + foo3[Int] +} diff --git a/tests/untried/neg/macro-quasiquotes.check b/tests/untried/neg/macro-quasiquotes.check new file mode 100644 index 000000000..a985aee15 --- /dev/null +++ b/tests/untried/neg/macro-quasiquotes.check @@ -0,0 +1,8 @@ +Macros_1.scala:14: error: bundle implementation has incompatible shape: + required: (x: Impls.this.c.Expr[Int]): Impls.this.c.Expr[Unit] + or : (x: Impls.this.c.Tree): Impls.this.c.Tree + found : (x: Impls.this.c.universe.Block): Impls.this.c.Tree +type mismatch for parameter x: Impls.this.c.Expr[Int] does not conform to Impls.this.c.universe.Block + def m3(x: Int): Unit = macro Impls.impl3 + ^ +one error found diff --git a/tests/untried/neg/macro-quasiquotes/Macros_1.scala b/tests/untried/neg/macro-quasiquotes/Macros_1.scala new file mode 100644 index 000000000..62e7a596b --- /dev/null +++ b/tests/untried/neg/macro-quasiquotes/Macros_1.scala @@ -0,0 +1,15 @@ +import language.experimental.macros +import scala.reflect.macros.blackbox.Context + +class Impls(val c: Context) { + import c.universe._ + def impl1(x: Expr[Int]) = q"println(x)" + def impl2(x: Tree) = q"println(x)" + def impl3(x: Block) = q"println(x)" +} + +object Macros { + def m1(x: Int): Unit = macro Impls.impl1 + def m2(x: Int): Unit = macro Impls.impl2 + def m3(x: Int): Unit = macro Impls.impl3 +} diff --git a/tests/untried/neg/macro-quasiquotes/Test_2.scala b/tests/untried/neg/macro-quasiquotes/Test_2.scala new file mode 100644 index 000000000..c7b8948d7 --- /dev/null +++ b/tests/untried/neg/macro-quasiquotes/Test_2.scala @@ -0,0 +1,5 @@ +object Test extends App { + Macros.m1 + Macros.m2 + Macros.m3 +} diff --git a/tests/untried/neg/macro-reify-splice-splice.check b/tests/untried/neg/macro-reify-splice-splice.check new file mode 100644 index 000000000..bd1ea7ace --- /dev/null +++ b/tests/untried/neg/macro-reify-splice-splice.check @@ -0,0 +1,7 @@ +Macros_1.scala:8: error: the splice cannot be resolved statically, which means there is a cross-stage evaluation involved. +cross-stage evaluations need to be invoked explicitly, so we're showing you this error. +if you're sure this is not an oversight, add scala-compiler.jar to the classpath, +import `scala.tools.reflect.Eval` and call `<your expr>.eval` instead. + { c.universe.reify(c.universe.reify("hello world")) }.splice.splice + ^ +one error found diff --git a/tests/untried/neg/macro-reify-splice-splice.flags b/tests/untried/neg/macro-reify-splice-splice.flags new file mode 100644 index 000000000..cd66464f2 --- /dev/null +++ b/tests/untried/neg/macro-reify-splice-splice.flags @@ -0,0 +1 @@ +-language:experimental.macros
\ No newline at end of file diff --git a/tests/untried/neg/macro-reify-splice-splice/Macros_1.scala b/tests/untried/neg/macro-reify-splice-splice/Macros_1.scala new file mode 100644 index 000000000..4a68fe687 --- /dev/null +++ b/tests/untried/neg/macro-reify-splice-splice/Macros_1.scala @@ -0,0 +1,11 @@ +import scala.reflect.macros.blackbox.Context + +object Macros { + def foo = macro Impls.foo + + object Impls { + def foo(c: Context) = c.universe.reify { + { c.universe.reify(c.universe.reify("hello world")) }.splice.splice + } + } +} diff --git a/tests/untried/neg/macro-reify-splice-splice/Test_2.scala b/tests/untried/neg/macro-reify-splice-splice/Test_2.scala new file mode 100644 index 000000000..cff569bd8 --- /dev/null +++ b/tests/untried/neg/macro-reify-splice-splice/Test_2.scala @@ -0,0 +1,3 @@ +object Test extends App { + println(Macros.foo) +} diff --git a/tests/untried/neg/macro-reify-typetag-hktypeparams-notags.check b/tests/untried/neg/macro-reify-typetag-hktypeparams-notags.check new file mode 100644 index 000000000..44efaae77 --- /dev/null +++ b/tests/untried/neg/macro-reify-typetag-hktypeparams-notags.check @@ -0,0 +1,7 @@ +Test.scala:5: error: No TypeTag available for C[T] + println(implicitly[TypeTag[C[T]]]) + ^ +Test.scala:6: error: No TypeTag available for List[C[T]] + println(implicitly[TypeTag[List[C[T]]]]) + ^ +two errors found diff --git a/tests/untried/neg/macro-reify-typetag-hktypeparams-notags/Test.scala b/tests/untried/neg/macro-reify-typetag-hktypeparams-notags/Test.scala new file mode 100644 index 000000000..09652721c --- /dev/null +++ b/tests/untried/neg/macro-reify-typetag-hktypeparams-notags/Test.scala @@ -0,0 +1,9 @@ +import scala.reflect.runtime.universe._ + +object Test extends App { + def fooNoTypeTagHK[C[_], T] = { + println(implicitly[TypeTag[C[T]]]) + println(implicitly[TypeTag[List[C[T]]]]) + } + fooNoTypeTagHK[List, Int] +} diff --git a/tests/untried/neg/macro-reify-typetag-typeparams-notags.check b/tests/untried/neg/macro-reify-typetag-typeparams-notags.check new file mode 100644 index 000000000..7c67b02aa --- /dev/null +++ b/tests/untried/neg/macro-reify-typetag-typeparams-notags.check @@ -0,0 +1,7 @@ +Test.scala:5: error: No TypeTag available for T + println(implicitly[TypeTag[T]]) + ^ +Test.scala:6: error: No TypeTag available for List[T] + println(implicitly[TypeTag[List[T]]]) + ^ +two errors found diff --git a/tests/untried/neg/macro-reify-typetag-typeparams-notags/Test.scala b/tests/untried/neg/macro-reify-typetag-typeparams-notags/Test.scala new file mode 100644 index 000000000..504f7327c --- /dev/null +++ b/tests/untried/neg/macro-reify-typetag-typeparams-notags/Test.scala @@ -0,0 +1,9 @@ +import scala.reflect.runtime.universe._ + +object Test extends App { + def fooNoTypeTag[T] = { + println(implicitly[TypeTag[T]]) + println(implicitly[TypeTag[List[T]]]) + } + fooNoTypeTag[Int] +} diff --git a/tests/untried/neg/macro-reify-typetag-useabstypetag.check b/tests/untried/neg/macro-reify-typetag-useabstypetag.check new file mode 100644 index 000000000..7c67b02aa --- /dev/null +++ b/tests/untried/neg/macro-reify-typetag-useabstypetag.check @@ -0,0 +1,7 @@ +Test.scala:5: error: No TypeTag available for T + println(implicitly[TypeTag[T]]) + ^ +Test.scala:6: error: No TypeTag available for List[T] + println(implicitly[TypeTag[List[T]]]) + ^ +two errors found diff --git a/tests/untried/neg/macro-reify-typetag-useabstypetag/Test.scala b/tests/untried/neg/macro-reify-typetag-useabstypetag/Test.scala new file mode 100644 index 000000000..95b8dfc99 --- /dev/null +++ b/tests/untried/neg/macro-reify-typetag-useabstypetag/Test.scala @@ -0,0 +1,9 @@ +import scala.reflect.runtime.universe._ + +object Test extends App { + def fooTypeTag[T: WeakTypeTag] = { + println(implicitly[TypeTag[T]]) + println(implicitly[TypeTag[List[T]]]) + } + fooTypeTag[Int] +} diff --git a/tests/untried/neg/macro-without-xmacros-a.check b/tests/untried/neg/macro-without-xmacros-a.check new file mode 100644 index 000000000..ec194be3a --- /dev/null +++ b/tests/untried/neg/macro-without-xmacros-a.check @@ -0,0 +1,17 @@ +Macros_2.scala:5: error: macro definition needs to be enabled +by making the implicit value scala.language.experimental.macros visible. +This can be achieved by adding the import clause 'import scala.language.experimental.macros' +or by setting the compiler option -language:experimental.macros. +See the Scala docs for value scala.language.experimental.macros for a discussion +why the feature needs to be explicitly enabled. + def foo(x: Int): Int = macro foo_impl + ^ +Macros_2.scala:7: error: macro definition needs to be enabled +by making the implicit value scala.language.experimental.macros visible. + def bar(x: Int): Int = macro bar_impl + ^ +Macros_2.scala:11: error: macro definition needs to be enabled +by making the implicit value scala.language.experimental.macros visible. + def quux(x: Int): Int = macro quux_impl + ^ +three errors found diff --git a/tests/untried/neg/macro-without-xmacros-a/Impls_1.scala b/tests/untried/neg/macro-without-xmacros-a/Impls_1.scala new file mode 100644 index 000000000..04d5d1ac0 --- /dev/null +++ b/tests/untried/neg/macro-without-xmacros-a/Impls_1.scala @@ -0,0 +1,18 @@ +import scala.reflect.macros.blackbox.Context + +object Impls { + def foo_impl(c: Context)(x: c.Expr[Int]): c.Expr[Int] = { + import c.universe._ + c.Expr(q"$x + 1") + } + + def bar_impl(c: Context)(x: c.Expr[Int]): c.Expr[Int] = { + import c.universe._ + c.Expr(q"$x + 2") + } + + def quux_impl(c: Context)(x: c.Expr[Int]): c.Expr[Int] = { + import c.universe._ + c.Expr(q"$x + 3") + } +} diff --git a/tests/untried/neg/macro-without-xmacros-a/Macros_2.scala b/tests/untried/neg/macro-without-xmacros-a/Macros_2.scala new file mode 100644 index 000000000..e32a70ba8 --- /dev/null +++ b/tests/untried/neg/macro-without-xmacros-a/Macros_2.scala @@ -0,0 +1,12 @@ +import Impls._ + +object Macros { + object Shmacros { + def foo(x: Int): Int = macro foo_impl + } + def bar(x: Int): Int = macro bar_impl +} + +class Macros { + def quux(x: Int): Int = macro quux_impl +} diff --git a/tests/untried/neg/macro-without-xmacros-a/Test_3.scala b/tests/untried/neg/macro-without-xmacros-a/Test_3.scala new file mode 100644 index 000000000..011eb1f57 --- /dev/null +++ b/tests/untried/neg/macro-without-xmacros-a/Test_3.scala @@ -0,0 +1,4 @@ +object Test extends App { + import Macros.Shmacros._ + println(foo(2) + Macros.bar(2) * new Macros().quux(4)) +} diff --git a/tests/untried/neg/macro-without-xmacros-b.check b/tests/untried/neg/macro-without-xmacros-b.check new file mode 100644 index 000000000..c97850f0a --- /dev/null +++ b/tests/untried/neg/macro-without-xmacros-b.check @@ -0,0 +1,17 @@ +Macros_2.scala:3: error: macro definition needs to be enabled +by making the implicit value scala.language.experimental.macros visible. +This can be achieved by adding the import clause 'import scala.language.experimental.macros' +or by setting the compiler option -language:experimental.macros. +See the Scala docs for value scala.language.experimental.macros for a discussion +why the feature needs to be explicitly enabled. + def foo(x: Int): Int = macro Impls.foo_impl + ^ +Macros_2.scala:5: error: macro definition needs to be enabled +by making the implicit value scala.language.experimental.macros visible. + def bar(x: Int): Int = macro Impls.bar_impl + ^ +Macros_2.scala:9: error: macro definition needs to be enabled +by making the implicit value scala.language.experimental.macros visible. + def quux(x: Int): Int = macro Impls.quux_impl + ^ +three errors found diff --git a/tests/untried/neg/macro-without-xmacros-b/Impls_1.scala b/tests/untried/neg/macro-without-xmacros-b/Impls_1.scala new file mode 100644 index 000000000..04d5d1ac0 --- /dev/null +++ b/tests/untried/neg/macro-without-xmacros-b/Impls_1.scala @@ -0,0 +1,18 @@ +import scala.reflect.macros.blackbox.Context + +object Impls { + def foo_impl(c: Context)(x: c.Expr[Int]): c.Expr[Int] = { + import c.universe._ + c.Expr(q"$x + 1") + } + + def bar_impl(c: Context)(x: c.Expr[Int]): c.Expr[Int] = { + import c.universe._ + c.Expr(q"$x + 2") + } + + def quux_impl(c: Context)(x: c.Expr[Int]): c.Expr[Int] = { + import c.universe._ + c.Expr(q"$x + 3") + } +} diff --git a/tests/untried/neg/macro-without-xmacros-b/Macros_2.scala b/tests/untried/neg/macro-without-xmacros-b/Macros_2.scala new file mode 100644 index 000000000..120f50abc --- /dev/null +++ b/tests/untried/neg/macro-without-xmacros-b/Macros_2.scala @@ -0,0 +1,10 @@ +object Macros { + object Shmacros { + def foo(x: Int): Int = macro Impls.foo_impl + } + def bar(x: Int): Int = macro Impls.bar_impl +} + +class Macros { + def quux(x: Int): Int = macro Impls.quux_impl +} diff --git a/tests/untried/neg/macro-without-xmacros-b/Test_3.scala b/tests/untried/neg/macro-without-xmacros-b/Test_3.scala new file mode 100644 index 000000000..011eb1f57 --- /dev/null +++ b/tests/untried/neg/macro-without-xmacros-b/Test_3.scala @@ -0,0 +1,4 @@ +object Test extends App { + import Macros.Shmacros._ + println(foo(2) + Macros.bar(2) * new Macros().quux(4)) +} diff --git a/tests/untried/neg/main1.check b/tests/untried/neg/main1.check new file mode 100644 index 000000000..b74510581 --- /dev/null +++ b/tests/untried/neg/main1.check @@ -0,0 +1,28 @@ +main1.scala:3: warning: Foo has a main method with parameter type Array[String], but foo1.Foo will not be a runnable program. + Reason: companion is a trait, which means no static forwarder can be generated. + + object Foo { // companion is trait + ^ +main1.scala:10: warning: Foo has a main method with parameter type Array[String], but foo2.Foo will not be a runnable program. + Reason: companion contains its own main method, which means no static forwarder can be generated. + + object Foo { // companion has its own main + ^ +main1.scala:22: warning: Foo has a main method with parameter type Array[String], but foo3.Foo will not be a runnable program. + Reason: companion contains its own main method (implementation restriction: no main is allowed, regardless of signature), which means no static forwarder can be generated. + + object Foo { // Companion contains main, but not an interfering main. + ^ +main1.scala:31: warning: Foo has a main method with parameter type Array[String], but foo4.Foo will not be a runnable program. + Reason: companion contains its own main method, which means no static forwarder can be generated. + + object Foo extends Foo { // Inherits main from the class + ^ +main1.scala:39: warning: Foo has a main method with parameter type Array[String], but foo5.Foo will not be a runnable program. + Reason: companion contains its own main method, which means no static forwarder can be generated. + + object Foo extends Foo { // Overrides main from the class + ^ +error: No warnings can be incurred under -Xfatal-warnings. +5 warnings found +one error found diff --git a/tests/untried/neg/main1.flags b/tests/untried/neg/main1.flags new file mode 100644 index 000000000..e8fb65d50 --- /dev/null +++ b/tests/untried/neg/main1.flags @@ -0,0 +1 @@ +-Xfatal-warnings
\ No newline at end of file diff --git a/tests/untried/neg/main1.scala b/tests/untried/neg/main1.scala new file mode 100644 index 000000000..2b5551ac3 --- /dev/null +++ b/tests/untried/neg/main1.scala @@ -0,0 +1,45 @@ +// negatives +package foo1 { + object Foo { // companion is trait + def main(args: Array[String]): Unit = () + } + trait Foo +} + +package foo2 { + object Foo { // companion has its own main + def main(args: Array[String]): Unit = () + } + class Foo { + def main(args: Array[String]): Unit = () + } +} + +// these should all be made to work, but are negatives for now +// because forwarders need more work. + +package foo3 { + object Foo { // Companion contains main, but not an interfering main. + def main(args: Array[String]): Unit = () + } + class Foo { + def main(args: Int): Unit = () + } +} + +package foo4 { + object Foo extends Foo { // Inherits main from the class + } + class Foo { + def main(args: Array[String]): Unit = () + } +} + +package foo5 { + object Foo extends Foo { // Overrides main from the class + override def main(args: Array[String]): Unit = () + } + class Foo { + def main(args: Array[String]): Unit = () + } +} diff --git a/tests/untried/neg/migration28.check b/tests/untried/neg/migration28.check new file mode 100644 index 000000000..afb4db62e --- /dev/null +++ b/tests/untried/neg/migration28.check @@ -0,0 +1,7 @@ +migration28.scala:4: warning: method scanRight in trait TraversableLike has changed semantics in version 2.9.0: +The behavior of `scanRight` has changed. The previous behavior can be reproduced with scanRight.reverse. + List(1,2,3,4,5).scanRight(0)(_+_) + ^ +error: No warnings can be incurred under -Xfatal-warnings. +one warning found +one error found diff --git a/tests/untried/neg/migration28.flags b/tests/untried/neg/migration28.flags new file mode 100644 index 000000000..197b3198c --- /dev/null +++ b/tests/untried/neg/migration28.flags @@ -0,0 +1 @@ +-Xfatal-warnings -Xmigration diff --git a/tests/untried/neg/migration28.scala b/tests/untried/neg/migration28.scala new file mode 100644 index 000000000..facc9b36d --- /dev/null +++ b/tests/untried/neg/migration28.scala @@ -0,0 +1,9 @@ +object Test { + import scala.collection.mutable._ + + List(1,2,3,4,5).scanRight(0)(_+_) + + def main(args: Array[String]): Unit = { + + } +} diff --git a/tests/untried/neg/missing-param-type-tuple.check b/tests/untried/neg/missing-param-type-tuple.check new file mode 100644 index 000000000..3a4258ff8 --- /dev/null +++ b/tests/untried/neg/missing-param-type-tuple.check @@ -0,0 +1,31 @@ +missing-param-type-tuple.scala:3: error: missing parameter type +Note: The expected type requires a one-argument function accepting a 2-Tuple. + Consider a pattern matching anonymous function, `{ case (a, b) => ... }` + val x: ((Int, Int)) => Int = (a, b) => 0 + ^ +missing-param-type-tuple.scala:3: error: missing parameter type + val x: ((Int, Int)) => Int = (a, b) => 0 + ^ +missing-param-type-tuple.scala:5: error: missing parameter type +Note: The expected type requires a one-argument function accepting a 3-Tuple. + Consider a pattern matching anonymous function, `{ case (param1, ..., param3) => ... }` + val y: ((Int, Int, Int)) => Int = (a, b, !!) => 0 + ^ +missing-param-type-tuple.scala:5: error: missing parameter type + val y: ((Int, Int, Int)) => Int = (a, b, !!) => 0 + ^ +missing-param-type-tuple.scala:5: error: missing parameter type + val y: ((Int, Int, Int)) => Int = (a, b, !!) => 0 + ^ +missing-param-type-tuple.scala:7: error: missing parameter type +Note: The expected type requires a one-argument function accepting a 3-Tuple. + Consider a pattern matching anonymous function, `{ case (param1, ..., param3) => ... }` + val z: ((Int, Int, Int)) => Int = (a, NotAVariablePatternName, c) => 0 + ^ +missing-param-type-tuple.scala:7: error: missing parameter type + val z: ((Int, Int, Int)) => Int = (a, NotAVariablePatternName, c) => 0 + ^ +missing-param-type-tuple.scala:7: error: missing parameter type + val z: ((Int, Int, Int)) => Int = (a, NotAVariablePatternName, c) => 0 + ^ +8 errors found diff --git a/tests/untried/neg/missing-param-type-tuple.scala b/tests/untried/neg/missing-param-type-tuple.scala new file mode 100644 index 000000000..72c0c8203 --- /dev/null +++ b/tests/untried/neg/missing-param-type-tuple.scala @@ -0,0 +1,8 @@ +class C { + + val x: ((Int, Int)) => Int = (a, b) => 0 + + val y: ((Int, Int, Int)) => Int = (a, b, !!) => 0 + + val z: ((Int, Int, Int)) => Int = (a, NotAVariablePatternName, c) => 0 +} diff --git a/tests/untried/neg/mixins.check b/tests/untried/neg/mixins.check new file mode 100644 index 000000000..f310ca596 --- /dev/null +++ b/tests/untried/neg/mixins.check @@ -0,0 +1,6 @@ +mixins.scala:9: error: illegal inheritance; superclass C + is not a subclass of the superclass B + of the mixin trait M +class D extends C with M + ^ +one error found diff --git a/tests/untried/neg/mixins.scala b/tests/untried/neg/mixins.scala new file mode 100644 index 000000000..18b091f17 --- /dev/null +++ b/tests/untried/neg/mixins.scala @@ -0,0 +1,9 @@ +class A; + +class B extends A + +class C extends A + +trait M extends B + +class D extends C with M diff --git a/tests/untried/neg/multi-array.check b/tests/untried/neg/multi-array.check new file mode 100644 index 000000000..511caa126 --- /dev/null +++ b/tests/untried/neg/multi-array.check @@ -0,0 +1,4 @@ +multi-array.scala:7: error: too many arguments for constructor Array: (_length: Int)Array[T] + val a: Array[Int] = new Array(10, 10) + ^ +one error found diff --git a/tests/untried/neg/multi-array.flags b/tests/untried/neg/multi-array.flags new file mode 100644 index 000000000..c36e713ab --- /dev/null +++ b/tests/untried/neg/multi-array.flags @@ -0,0 +1 @@ +-deprecation
\ No newline at end of file diff --git a/tests/untried/neg/multi-array.scala b/tests/untried/neg/multi-array.scala new file mode 100644 index 000000000..b04e0fa0b --- /dev/null +++ b/tests/untried/neg/multi-array.scala @@ -0,0 +1,14 @@ +/** Multi-dimensional array creation with `new` was removed in 2.10. + * The replacement Array.ofDim[Int](10,10) makes the original mistake + * which was tested here impossible. + * This test will fail now because the constructor doesn't exist anymore. + */ +class Foo { + val a: Array[Int] = new Array(10, 10) +} + +//Before removal of constructor non-unary Array constructors: +/** Check that a multi-dimensional array can't be created + * when the wrong number of arguments w.r.t. to the array's + * type is given. + */ diff --git a/tests/untried/neg/name-lookup-stable.check b/tests/untried/neg/name-lookup-stable.check new file mode 100644 index 000000000..751df9505 --- /dev/null +++ b/tests/untried/neg/name-lookup-stable.check @@ -0,0 +1,11 @@ +name-lookup-stable.scala:15: error: reference to PrimaryKey is ambiguous; +it is both defined in class A and imported subsequently by +import ColumnOption._ + (null: Any) match { case PrimaryKey => } + ^ +name-lookup-stable.scala:17: error: reference to PrimaryKey is ambiguous; +it is both defined in class A and imported subsequently by +import ColumnOption._ + PrimaryKey // was already ambigious in 2.10.3 + ^ +two errors found diff --git a/tests/untried/neg/name-lookup-stable.scala b/tests/untried/neg/name-lookup-stable.scala new file mode 100644 index 000000000..0d862f06e --- /dev/null +++ b/tests/untried/neg/name-lookup-stable.scala @@ -0,0 +1,20 @@ +// This used to compile under 2.10.3 but the ambiguity is now noticed +// in 2.11.x (after a70c8219). I think the new behaviour is correct; +// we shouldn't discard names based on "expected stability" before +// evaluating ambiguity. +object ColumnOption { + object PrimaryKey +} + +class A { + def PrimaryKey: Any = ??? + + { + import ColumnOption._ + + (null: Any) match { case PrimaryKey => } + + PrimaryKey // was already ambigious in 2.10.3 + } +} + diff --git a/tests/untried/neg/names-defaults-neg-ref.check b/tests/untried/neg/names-defaults-neg-ref.check new file mode 100644 index 000000000..61d66fd32 --- /dev/null +++ b/tests/untried/neg/names-defaults-neg-ref.check @@ -0,0 +1,16 @@ +names-defaults-neg-ref.scala:3: error: in <$anon: A2235 with B2235>, multiple overloaded alternatives of method f define default arguments. +The members with defaults are defined in trait B2235 and trait A2235. + new A2235 with B2235 + ^ +names-defaults-neg-ref.scala:7: error: in class A, multiple overloaded alternatives of method foo define default arguments. +class A { + ^ +names-defaults-neg-ref.scala:17: error: in class C, multiple overloaded alternatives of method bar define default arguments. +The members with defaults are defined in class C and class B. +class C extends B { + ^ +names-defaults-neg-ref.scala:21: error: overriding method bar$default$1 in class B of type => String; + method bar$default$1 has incompatible type + def bar(i: Int = 129083) = i + ^ +four errors found diff --git a/tests/untried/neg/names-defaults-neg-ref.scala b/tests/untried/neg/names-defaults-neg-ref.scala new file mode 100644 index 000000000..17a482799 --- /dev/null +++ b/tests/untried/neg/names-defaults-neg-ref.scala @@ -0,0 +1,26 @@ +object Test extends App { + // #2235 + new A2235 with B2235 +} + +// only one overloaded alternative is allowed to have defaults +class A { + def foo(a: Int = 0) = a + def foo(b: String = "another") = b +} + +class B { + def foo(a: Int) = a + def bar(u: String = "ldksj") = u +} + +class C extends B { + override def foo(a: Int = 1092) = a + def foo(b: String = "lskdfj") + + def bar(i: Int = 129083) = i +} + +// #2235 +trait A2235 { def f(x: Int = 1) = x } +trait B2235 { def f(x: String = "1") = x } diff --git a/tests/untried/neg/names-defaults-neg-warn.check b/tests/untried/neg/names-defaults-neg-warn.check new file mode 100644 index 000000000..0f4edef84 --- /dev/null +++ b/tests/untried/neg/names-defaults-neg-warn.check @@ -0,0 +1,9 @@ +names-defaults-neg-warn.scala:11: warning: the parameter name s has been deprecated. Use x instead. + deprNam2.f(s = "dlfkj") + ^ +names-defaults-neg-warn.scala:12: warning: the parameter name x has been deprecated. Use s instead. + deprNam2.g(x = "dlkjf") + ^ +error: No warnings can be incurred under -Xfatal-warnings. +two warnings found +one error found diff --git a/tests/untried/neg/names-defaults-neg-warn.flags b/tests/untried/neg/names-defaults-neg-warn.flags new file mode 100644 index 000000000..d1b831ea8 --- /dev/null +++ b/tests/untried/neg/names-defaults-neg-warn.flags @@ -0,0 +1 @@ +-deprecation -Xfatal-warnings
\ No newline at end of file diff --git a/tests/untried/neg/names-defaults-neg-warn.scala b/tests/untried/neg/names-defaults-neg-warn.scala new file mode 100644 index 000000000..c7a2b2f42 --- /dev/null +++ b/tests/untried/neg/names-defaults-neg-warn.scala @@ -0,0 +1,14 @@ +object Test extends App { + object deprNam2 { + def f(@deprecatedName('s) x: String) = 1 + def f(s: Object) = 2 + + def g(@deprecatedName('x) s: Object) = 3 + def g(s: String) = 4 + } + + deprNam2.f(s = new Object) + deprNam2.f(s = "dlfkj") + deprNam2.g(x = "dlkjf") + deprNam2.g(s = new Object) +} diff --git a/tests/untried/neg/names-defaults-neg.check b/tests/untried/neg/names-defaults-neg.check new file mode 100644 index 000000000..20ddd55f1 --- /dev/null +++ b/tests/untried/neg/names-defaults-neg.check @@ -0,0 +1,185 @@ +names-defaults-neg.scala:65: error: not enough arguments for method apply: (a: Int, b: String)(c: Int*)Fact in object Fact. +Unspecified value parameter b. + val fac = Fact(1)(2, 3) + ^ +names-defaults-neg.scala:5: error: type mismatch; + found : String("#") + required: Int + test1(b = 2, a = "#") + ^ +names-defaults-neg.scala:5: error: type mismatch; + found : Int(2) + required: String + test1(b = 2, a = "#") + ^ +names-defaults-neg.scala:8: error: positional after named argument. + test1(b = "(*", 23) + ^ +names-defaults-neg.scala:13: error: reference to x is ambiguous; it is both a method parameter and a variable in scope. + test2(x = 1) + ^ +names-defaults-neg.scala:15: error: not found: value c + test1(c = 0, b = "joke") + ^ +names-defaults-neg.scala:16: error: not found: value m + test7((m = 1)) // named arguments must be top-level assignments + ^ +names-defaults-neg.scala:17: error: not found: value m + test7({m = 1}) + ^ +names-defaults-neg.scala:18: error: not found: value m + test7 { m = 1 } // no named arguments in argument block + ^ +names-defaults-neg.scala:19: error: reference to x is ambiguous; it is both a method parameter and a variable in scope. + test8(x = 1) + ^ +names-defaults-neg.scala:22: error: parameter 'a' is already specified at parameter position 1 + test1(1, a = 2) + ^ +names-defaults-neg.scala:23: error: parameter 'b' is already specified at parameter position 1 + test1(b = 1, b = "2") + ^ +names-defaults-neg.scala:26: error: Int does not take parameters + test3(b = 3, a = 1)(3) + ^ +names-defaults-neg.scala:35: error: ambiguous reference to overloaded definition, +both method f in object t1 of type (b: String, a: Int)String +and method f in object t1 of type (a: Int, b: String)String +match argument types (b: String,a: Int) + t1.f(b = "dkljf", a = 1) + ^ +names-defaults-neg.scala:42: error: ambiguous reference to overloaded definition, +both method f in object t3 of type (a2: Int)(b: Int)String +and method f in object t3 of type (a1: Int)String +match argument types (Int) + t3.f(1) + ^ +names-defaults-neg.scala:43: error: ambiguous reference to overloaded definition, +both method f in object t3 of type (a2: Int)(b: Int)String +and method f in object t3 of type (a1: Int)String +match argument types (Int) + t3.f(1)(2) + ^ +names-defaults-neg.scala:49: error: ambiguous reference to overloaded definition, +both method g in object t7 of type (a: B)String +and method g in object t7 of type (a: C, b: Int*)String +match argument types (C) + t7.g(new C()) // ambigous reference + ^ +names-defaults-neg.scala:53: error: parameter 'b' is already specified at parameter position 2 + test5(a = 1, b = "dkjl", b = "dkj") + ^ +names-defaults-neg.scala:54: error: parameter 'b' is already specified at parameter position 2 + test5(1, "2", b = 3) + ^ +names-defaults-neg.scala:55: error: when using named arguments, the vararg parameter has to be specified exactly once + test5(b = "dlkj") + ^ +names-defaults-neg.scala:61: error: ambiguous reference to overloaded definition, +both method f in object t8 of type (b: String, a: Int)String +and method f in object t8 of type (a: Int, b: Object)String +match argument types (a: Int,b: String) and expected result type Any + println(t8.f(a = 0, b = "1")) // ambigous reference + ^ +names-defaults-neg.scala:69: error: wrong number of arguments for pattern A1(x: Int,y: String) + A1() match { case A1(_) => () } + ^ +names-defaults-neg.scala:76: error: no type parameters for method test4: (x: T[T[List[T[X forSome { type X }]]]])T[T[List[T[X forSome { type X }]]]] exist so that it can be applied to arguments (List[Int]) + --- because --- +argument expression's type is not compatible with formal parameter type; + found : List[Int] + required: ?T[?T[List[?T[X forSome { type X }]]]] +Error occurred in an application involving default arguments. + test4() + ^ +names-defaults-neg.scala:79: error: type mismatch; + found : List[Int] + required: List[List[?]] + def test6[T](x: List[List[T]] = List(1,2)) = x + ^ +names-defaults-neg.scala:82: error: type mismatch; + found : Int + required: String +Error occurred in an application involving default arguments. + new A2[String]() + ^ +names-defaults-neg.scala:86: error: module extending its companion class cannot use default constructor arguments + object C extends C() + ^ +names-defaults-neg.scala:90: error: deprecated parameter name x has to be distinct from any other parameter name (deprecated or not). + def deprNam1(x: Int, @deprecatedName('x) y: String) = 0 + ^ +names-defaults-neg.scala:91: error: deprecated parameter name a has to be distinct from any other parameter name (deprecated or not). + def deprNam2(a: String)(@deprecatedName('a) b: Int) = 1 + ^ +names-defaults-neg.scala:93: warning: the parameter name y has been deprecated. Use b instead. + deprNam3(y = 10, b = 2) + ^ +names-defaults-neg.scala:93: error: parameter 'b' is already specified at parameter position 1 + deprNam3(y = 10, b = 2) + ^ +names-defaults-neg.scala:98: error: unknown parameter name: m + f3818(y = 1, m = 1) + ^ +names-defaults-neg.scala:131: error: reference to var2 is ambiguous; it is both a method parameter and a variable in scope. + delay(var2 = 40) + ^ +names-defaults-neg.scala:134: error: missing parameter type for expanded function ((x$1) => a = x$1) + val taf2: Int => Unit = testAnnFun(a = _, b = get("+")) + ^ +names-defaults-neg.scala:134: error: not found: value a + val taf2: Int => Unit = testAnnFun(a = _, b = get("+")) + ^ +names-defaults-neg.scala:134: error: not found: value get + val taf2: Int => Unit = testAnnFun(a = _, b = get("+")) + ^ +names-defaults-neg.scala:135: error: parameter 'a' is already specified at parameter position 1 + val taf3 = testAnnFun(b = _: String, a = get(8)) + ^ +names-defaults-neg.scala:136: error: missing parameter type for expanded function ((x$3) => testAnnFun(x$3, ((x$4) => b = x$4))) + val taf4: (Int, String) => Unit = testAnnFun(_, b = _) + ^ +names-defaults-neg.scala:136: error: missing parameter type for expanded function ((x$4) => b = x$4) + val taf4: (Int, String) => Unit = testAnnFun(_, b = _) + ^ +names-defaults-neg.scala:136: error: not found: value b + val taf4: (Int, String) => Unit = testAnnFun(_, b = _) + ^ +names-defaults-neg.scala:144: error: variable definition needs type because 'x' is used as a named argument in its body. + def t3 { var x = t.f(x = 1) } + ^ +names-defaults-neg.scala:147: error: variable definition needs type because 'x' is used as a named argument in its body. + object t6 { var x = t.f(x = 1) } + ^ +names-defaults-neg.scala:147: warning: type-checking the invocation of method f checks if the named argument expression 'x = ...' is a valid assignment +in the current scope. The resulting type inference error (see above) can be fixed by providing an explicit type in the local definition for x. + object t6 { var x = t.f(x = 1) } + ^ +names-defaults-neg.scala:150: error: variable definition needs type because 'x' is used as a named argument in its body. + class t9 { var x = t.f(x = 1) } + ^ +names-defaults-neg.scala:150: warning: type-checking the invocation of method f checks if the named argument expression 'x = ...' is a valid assignment +in the current scope. The resulting type inference error (see above) can be fixed by providing an explicit type in the local definition for x. + class t9 { var x = t.f(x = 1) } + ^ +names-defaults-neg.scala:164: error: variable definition needs type because 'x' is used as a named argument in its body. + def u3 { var x = u.f(x = 1) } + ^ +names-defaults-neg.scala:167: error: variable definition needs type because 'x' is used as a named argument in its body. + def u6 { var x = u.f(x = "32") } + ^ +names-defaults-neg.scala:170: error: reference to x is ambiguous; it is both a method parameter and a variable in scope. + def u9 { var x: Int = u.f(x = 1) } + ^ +names-defaults-neg.scala:177: error: variable definition needs type because 'x' is used as a named argument in its body. + class u15 { var x = u.f(x = 1) } + ^ +names-defaults-neg.scala:177: warning: type-checking the invocation of method f checks if the named argument expression 'x = ...' is a valid assignment +in the current scope. The resulting type inference error (see above) can be fixed by providing an explicit type in the local definition for x. + class u15 { var x = u.f(x = 1) } + ^ +names-defaults-neg.scala:180: error: reference to x is ambiguous; it is both a method parameter and a variable in scope. + class u18 { var x: Int = u.f(x = 1) } + ^ +four warnings found +46 errors found diff --git a/tests/untried/neg/names-defaults-neg.flags b/tests/untried/neg/names-defaults-neg.flags new file mode 100644 index 000000000..dcc59ebe3 --- /dev/null +++ b/tests/untried/neg/names-defaults-neg.flags @@ -0,0 +1 @@ +-deprecation diff --git a/tests/untried/neg/names-defaults-neg.scala b/tests/untried/neg/names-defaults-neg.scala new file mode 100644 index 000000000..2f8700ac6 --- /dev/null +++ b/tests/untried/neg/names-defaults-neg.scala @@ -0,0 +1,184 @@ +object Test extends App { + // TESTS + + // re-ordering + test1(b = 2, a = "#") + + // mixing named and positional + test1(b = "(*", 23) + + // assignment / names + var x = 0 + var y = 0 + test2(x = 1) + test2(y = 1) + test1(c = 0, b = "joke") + test7((m = 1)) // named arguments must be top-level assignments + test7({m = 1}) + test7 { m = 1 } // no named arguments in argument block + test8(x = 1) + + // argument specified twice + test1(1, a = 2) + test1(b = 1, b = "2") + + // error message when there are too many argument lists (not very nice..) + test3(b = 3, a = 1)(3) + + + + // overloading resolution + object t1 { + def f(a: Int, b: String) = "first" + def f(b: String, a: Int) = "second" + } + t1.f(b = "dkljf", a = 1) + + + object t3 { + def f(a1: Int) = "first" + def f(a2: Int)(b: Int) = "second" + } + t3.f(1) + t3.f(1)(2) + + object t7 { + def g(a: C, b: Int*) = "third" + def g(a: B) = "fourth" + } + t7.g(new C()) // ambigous reference + + // vararg + def test5(a: Int, b: String*) = a + test5(a = 1, b = "dkjl", b = "dkj") + test5(1, "2", b = 3) + test5(b = "dlkj") + + object t8 { + def f(a: Int, b: Object) = "first" + def f(b: String, a: Int) = "second" + } + println(t8.f(a = 0, b = "1")) // ambigous reference + + + // case class copy does not exist if there's a vararg + val fac = Fact(1)(2, 3) + val facc = fac.copy(b = "dlkfj")() + + // no defaults in patterns + A1() match { case A1(_) => () } + + + // return types of default getters + + // definition compiles, but default cannot be used, it doesn't conform + def test4[T[P]](x: T[T[List[T[X forSome { type X }]]]] = List(1,2)) = x + test4() + + // doesn't compile + def test6[T](x: List[List[T]] = List(1,2)) = x + + // correct error message + new A2[String]() + + object t3648 { + class C(val s: String = "") + object C extends C() + } + + // deprecated names + def deprNam1(x: Int, @deprecatedName('x) y: String) = 0 + def deprNam2(a: String)(@deprecatedName('a) b: Int) = 1 + def deprNam3(@deprecatedName('x) a: Int, @deprecatedName('y) b: Int) = a + b + deprNam3(y = 10, b = 2) + + + // t3818 + def f3818(x: Int = 1, y: Int, z: Int = 1) = 0 + f3818(y = 1, m = 1) + + // DEFINITIONS + def test1(a: Int, b: String) = a +": "+ b + def test2(x: Unit) = println("test2") + def test3(a: Int, b: Int) = a + b + def test7(m: Int) = m + def test8[T](x: => T) = println("test8") +} + +class B { + def foo(a: Int) = a + def bar(u: String = "ldksj") = u +} + +class C extends B { + override def foo(a: Int = 1092) = a + def foo(b: String = "lskdfj") + + def bar(i: Int = 129083) = i +} + +case class Fact(a: Int, b: String)(c: Int*) + +case class A1(x: Int = 1, y: String = "2") + +class A2[T](a: T = 1) + + +// anonymous functions +object anfun { + var var2 = 0 + def delay(var2: => Unit): Unit = { var2 } + delay(var2 = 40) + + def testAnnFun(a: Int, b: String) = println(a +": "+ b) + val taf2: Int => Unit = testAnnFun(a = _, b = get("+")) + val taf3 = testAnnFun(b = _: String, a = get(8)) + val taf4: (Int, String) => Unit = testAnnFun(_, b = _) +} + +object t3685 { + object t { def f(x: Int) = x } + + def t1: Unit = { def x = t.f(x = 1) } + def t2: Unit = { val x = t.f(x = 1) } + def t3: Unit = { var x = t.f(x = 1) } + object t4 { def x = t.f(x = 1) } + object t5 { val x = t.f(x = 1) } + object t6 { var x = t.f(x = 1) } + class t7 { def x = t.f(x = 1) } + class t8 { val x = t.f(x = 1) } + class t9 { var x = t.f(x = 1) } + + def t10: Unit = { def x: Int = t.f(x = 1) } + def t11: Unit = { val x: Int = t.f(x = 1) } + def t12: Unit = { var x: Int = t.f(x = 1) } + class t13 { def x: Int = t.f(x = 1) } + class t14 { val x: Int = t.f(x = 1) } + class t15 { var x: Int = t.f(x = 1) } + + + object u { def f[T](x: T) = 100 } + + def u1: Unit = { def x = u.f(x = 1) } + def u2: Unit = { val x = u.f(x = 1) } + def u3: Unit = { var x = u.f(x = 1) } + def u4: Unit = { def x = u.f(x = "23") } + def u5: Unit = { val x = u.f(x = "32") } + def u6: Unit = { var x = u.f(x = "32") } + def u7: Unit = { def x: Int = u.f(x = 1) } + def u8: Unit = { val x: Int = u.f(x = 1) } + def u9: Unit = { var x: Int = u.f(x = 1) } + def u10: Unit = { def x: Int = u.f(x = "32") } + def u11: Unit = { val x: Int = u.f(x = "32") } + def u12: Unit = { var x: Int = u.f(x = "32") } + + class u13 { def x = u.f(x = 1) } + class u14 { val x = u.f(x = 1) } + class u15 { var x = u.f(x = 1) } + class u16 { def x: Int = u.f(x = 1) } + class u17 { val x: Int = u.f(x = 1) } + class u18 { var x: Int = u.f(x = 1) } + class u19 { def x: Int = u.f(x = "32") } + class u20 { val x: Int = u.f(x = "32") } + class u21 { var x: Int = u.f(x = "32") } +} diff --git a/tests/untried/neg/nested-annotation.check b/tests/untried/neg/nested-annotation.check new file mode 100644 index 000000000..ca263943f --- /dev/null +++ b/tests/untried/neg/nested-annotation.check @@ -0,0 +1,10 @@ +nested-annotation.scala:3: warning: Implementation restriction: subclassing Classfile does not +make your annotation visible at runtime. If that is what +you want, you must write the annotation class in Java. +class ComplexAnnotation(val value: Annotation) extends ClassfileAnnotation + ^ +nested-annotation.scala:8: error: nested classfile annotations must be defined in java; found: inline + @ComplexAnnotation(new inline) def bippy(): Int = 1 + ^ +one warning found +one error found diff --git a/tests/untried/neg/nested-annotation.scala b/tests/untried/neg/nested-annotation.scala new file mode 100644 index 000000000..35c0cd3b7 --- /dev/null +++ b/tests/untried/neg/nested-annotation.scala @@ -0,0 +1,9 @@ +import annotation._ + +class ComplexAnnotation(val value: Annotation) extends ClassfileAnnotation + +class A { + // It's hard to induce this error because @ComplexAnnotation(@inline) is a parse + // error so it never gets out of the parser, but: + @ComplexAnnotation(new inline) def bippy(): Int = 1 +} diff --git a/tests/untried/neg/nested-fn-print.check b/tests/untried/neg/nested-fn-print.check new file mode 100644 index 000000000..ea278554d --- /dev/null +++ b/tests/untried/neg/nested-fn-print.check @@ -0,0 +1,20 @@ +nested-fn-print.scala:4: error: only classes can have declared but undefined members +(Note that variables need to be initialized to be defined) + var x3: Int => Double + ^ +nested-fn-print.scala:7: error: type mismatch; + found : String("a") + required: Int => (Float => Double) + x1 = "a" + ^ +nested-fn-print.scala:8: error: type mismatch; + found : String("b") + required: (Int => Float) => Double + x2 = "b" + ^ +nested-fn-print.scala:9: error: type mismatch; + found : String("c") + required: Int => Double + x3 = "c" + ^ +four errors found diff --git a/tests/untried/neg/nested-fn-print.scala b/tests/untried/neg/nested-fn-print.scala new file mode 100644 index 000000000..c599a235a --- /dev/null +++ b/tests/untried/neg/nested-fn-print.scala @@ -0,0 +1,11 @@ +object Test { + var x1: Int => Float => Double = _ + var x2: (Int => Float) => Double = _ + var x3: Int => Double + + def main(args: Array[String]): Unit = { + x1 = "a" + x2 = "b" + x3 = "c" + } +} diff --git a/tests/untried/neg/newpat_unreachable.check b/tests/untried/neg/newpat_unreachable.check new file mode 100644 index 000000000..4463e2f1a --- /dev/null +++ b/tests/untried/neg/newpat_unreachable.check @@ -0,0 +1,35 @@ +newpat_unreachable.scala:6: warning: patterns after a variable pattern cannot match (SLS 8.1.1) +If you intended to match against parameter b of method contrivedExample, you must use backticks, like: case `b` => + case b => println("matched b") + ^ +newpat_unreachable.scala:7: warning: unreachable code due to variable pattern 'b' on line 6 +If you intended to match against parameter c of method contrivedExample, you must use backticks, like: case `c` => + case c => println("matched c") + ^ +newpat_unreachable.scala:8: warning: unreachable code due to variable pattern 'b' on line 6 +If you intended to match against value d in class A, you must use backticks, like: case `d` => + case d => println("matched d") + ^ +newpat_unreachable.scala:9: warning: unreachable code due to variable pattern 'b' on line 6 + case _ => println("matched neither") + ^ +newpat_unreachable.scala:7: warning: unreachable code + case c => println("matched c") + ^ +newpat_unreachable.scala:22: warning: patterns after a variable pattern cannot match (SLS 8.1.1) +If you intended to match against parameter b of method g, you must use backticks, like: case `b` => + case b => 1 + ^ +newpat_unreachable.scala:23: warning: unreachable code due to variable pattern 'b' on line 22 +If you intended to match against parameter c of method h, you must use backticks, like: case `c` => + case c => 2 + ^ +newpat_unreachable.scala:24: warning: unreachable code due to variable pattern 'b' on line 22 + case _ => 3 + ^ +newpat_unreachable.scala:23: warning: unreachable code + case c => 2 + ^ +error: No warnings can be incurred under -Xfatal-warnings. +9 warnings found +one error found diff --git a/tests/untried/neg/newpat_unreachable.flags b/tests/untried/neg/newpat_unreachable.flags new file mode 100644 index 000000000..85d8eb2ba --- /dev/null +++ b/tests/untried/neg/newpat_unreachable.flags @@ -0,0 +1 @@ +-Xfatal-warnings diff --git a/tests/untried/neg/newpat_unreachable.scala b/tests/untried/neg/newpat_unreachable.scala new file mode 100644 index 000000000..c9cc85cec --- /dev/null +++ b/tests/untried/neg/newpat_unreachable.scala @@ -0,0 +1,29 @@ +object Test { + class A { + val d = 55 + + def contrivedExample[A, B, C](a: A, b: B, c: C): Unit = a match { + case b => println("matched b") + case c => println("matched c") + case d => println("matched d") + case _ => println("matched neither") + } + + def correctExample[A, B, C](a: A, b: B, c: C): Unit = a match { + case `b` => println("matched b") + case `c` => println("matched c") + case `d` => println("matched d") + case _ => println("matched neither") + } + + def f[A](a: A) = { + def g[B](b: B) = { + def h[C](c: C) = a match { + case b => 1 + case c => 2 + case _ => 3 + } + } + } + } +} diff --git a/tests/untried/neg/no-implicit-to-anyref-any-val.check b/tests/untried/neg/no-implicit-to-anyref-any-val.check new file mode 100644 index 000000000..5953e1bd6 --- /dev/null +++ b/tests/untried/neg/no-implicit-to-anyref-any-val.check @@ -0,0 +1,34 @@ +no-implicit-to-anyref-any-val.scala:11: error: the result type of an implicit conversion must be more specific than AnyRef + 1: AnyRef + ^ +no-implicit-to-anyref-any-val.scala:17: error: type mismatch; + found : Any + required: AnyRef + (null: Any): AnyRef + ^ +no-implicit-to-anyref-any-val.scala:21: error: type mismatch; + found : AnyVal + required: AnyRef + (0: AnyVal): AnyRef + ^ +no-implicit-to-anyref-any-val.scala:27: error: type mismatch; + found : Test.AV + required: AnyRef +Note that AV extends Any, not AnyRef. +Such types can participate in value classes, but instances +cannot appear in singleton types or in reference comparisons. + new AV(0): AnyRef + ^ +no-implicit-to-anyref-any-val.scala:30: error: the result type of an implicit conversion must be more specific than AnyVal + "": AnyVal + ^ +no-implicit-to-anyref-any-val.scala:32: error: type mismatch; + found : Object + required: AnyVal +Note that implicit conversions are not applicable because they are ambiguous: + both method ArrowAssoc in object Predef of type [A](self: A)ArrowAssoc[A] + and method Ensuring in object Predef of type [A](self: A)Ensuring[A] + are possible conversion functions from Object to AnyVal + new Object() : AnyVal + ^ +6 errors found diff --git a/tests/untried/neg/no-implicit-to-anyref-any-val.scala b/tests/untried/neg/no-implicit-to-anyref-any-val.scala new file mode 100644 index 000000000..f5daf541a --- /dev/null +++ b/tests/untried/neg/no-implicit-to-anyref-any-val.scala @@ -0,0 +1,33 @@ +// Checks that the state of standard implicits in Predef._ and scala._ +// doesn't allow us to unambiguously and implicitly convert AnyVal +// and subtypes to AnyRef. +// +// In the days before value classes, this was precariously held be +// the competing implicits Any => StringAdd and Any => StringFormat. +// Since then, these have both become value classes, but seeing as +// this happened simultaneously, we're still okay. +object Test { + locally { + 1: AnyRef + } + + locally { + // before this test case was added and ContextErrors was tweaked, this + // emitted: "Note that Any extends Any, not AnyRef." + (null: Any): AnyRef + } + + locally { + (0: AnyVal): AnyRef + } + + class AV(val a: Int) extends AnyVal + + locally { + new AV(0): AnyRef + } + + "": AnyVal + + new Object() : AnyVal +} diff --git a/tests/untried/neg/no-predef.check b/tests/untried/neg/no-predef.check new file mode 100644 index 000000000..a63d8c5ba --- /dev/null +++ b/tests/untried/neg/no-predef.check @@ -0,0 +1,14 @@ +no-predef.scala:2: error: type mismatch; + found : scala.Long(5L) + required: java.lang.Long + def f1 = 5L: java.lang.Long + ^ +no-predef.scala:3: error: type mismatch; + found : java.lang.Long + required: scala.Long + def f2 = new java.lang.Long(5) : Long + ^ +no-predef.scala:4: error: value map is not a member of String + def f3 = "abc" map (_ + 1) + ^ +three errors found diff --git a/tests/untried/neg/no-predef.flags b/tests/untried/neg/no-predef.flags new file mode 100644 index 000000000..3abc2d521 --- /dev/null +++ b/tests/untried/neg/no-predef.flags @@ -0,0 +1 @@ +-Yno-predef
\ No newline at end of file diff --git a/tests/untried/neg/no-predef.scala b/tests/untried/neg/no-predef.scala new file mode 100644 index 000000000..48883d7ba --- /dev/null +++ b/tests/untried/neg/no-predef.scala @@ -0,0 +1,5 @@ +class NoPredef { + def f1 = 5L: java.lang.Long + def f2 = new java.lang.Long(5) : Long + def f3 = "abc" map (_ + 1) +} diff --git a/tests/untried/neg/noMember1.check b/tests/untried/neg/noMember1.check new file mode 100644 index 000000000..846574bef --- /dev/null +++ b/tests/untried/neg/noMember1.check @@ -0,0 +1,5 @@ +noMember1.scala:1: error: object MultiMap is not a member of package scala.collection.mutable +Note: trait MultiMap exists, but it has no companion object. +import scala.collection.mutable.MultiMap._ + ^ +one error found diff --git a/tests/untried/neg/noMember1.scala b/tests/untried/neg/noMember1.scala new file mode 100644 index 000000000..0aee7bff7 --- /dev/null +++ b/tests/untried/neg/noMember1.scala @@ -0,0 +1,3 @@ +import scala.collection.mutable.MultiMap._ + +class A diff --git a/tests/untried/neg/noMember2.check b/tests/untried/neg/noMember2.check new file mode 100644 index 000000000..f65571bdc --- /dev/null +++ b/tests/untried/neg/noMember2.check @@ -0,0 +1,5 @@ +noMember2.scala:2: error: object MultiMap is not a member of package scala.collection.mutable +Note: trait MultiMap exists, but it has no companion object. + val m = scala.collection.mutable.MultiMap(1, 2, 3) + ^ +one error found diff --git a/tests/untried/neg/noMember2.scala b/tests/untried/neg/noMember2.scala new file mode 100644 index 000000000..bf72d4f47 --- /dev/null +++ b/tests/untried/neg/noMember2.scala @@ -0,0 +1,3 @@ +object Test { + val m = scala.collection.mutable.MultiMap(1, 2, 3) +} diff --git a/tests/untried/neg/nonlocal-warning.check b/tests/untried/neg/nonlocal-warning.check new file mode 100644 index 000000000..5202df655 --- /dev/null +++ b/tests/untried/neg/nonlocal-warning.check @@ -0,0 +1,9 @@ +nonlocal-warning.scala:4: warning: This catches all Throwables. If this is really intended, use `case x : Throwable` to clear this warning. + catch { case x => 11 } + ^ +nonlocal-warning.scala:2: warning: catch block may intercept non-local return from method foo + def foo(l: List[Int]): Int = { + ^ +error: No warnings can be incurred under -Xfatal-warnings. +two warnings found +one error found diff --git a/tests/untried/neg/nonlocal-warning.flags b/tests/untried/neg/nonlocal-warning.flags new file mode 100644 index 000000000..e8fb65d50 --- /dev/null +++ b/tests/untried/neg/nonlocal-warning.flags @@ -0,0 +1 @@ +-Xfatal-warnings
\ No newline at end of file diff --git a/tests/untried/neg/nonlocal-warning.scala b/tests/untried/neg/nonlocal-warning.scala new file mode 100644 index 000000000..f908a8630 --- /dev/null +++ b/tests/untried/neg/nonlocal-warning.scala @@ -0,0 +1,18 @@ +class Foo { + def foo(l: List[Int]): Int = { + try l foreach { _ => return 5 } + catch { case x => 11 } + 22 + } + + val pf: PartialFunction[Throwable, Unit] = { + case x if false => () + } + + def bar(l: List[Int]): Int = { + try l foreach { _ => return 5 } + catch pf + finally println() + 22 + } +} diff --git a/tests/untried/neg/nopredefs.check b/tests/untried/neg/nopredefs.check new file mode 100644 index 000000000..0a0ab3448 --- /dev/null +++ b/tests/untried/neg/nopredefs.check @@ -0,0 +1,4 @@ +nopredefs.scala:5: error: not found: value Set + val y = Set(3) + ^ +one error found diff --git a/tests/untried/neg/nopredefs.scala b/tests/untried/neg/nopredefs.scala new file mode 100644 index 000000000..1128b1893 --- /dev/null +++ b/tests/untried/neg/nopredefs.scala @@ -0,0 +1,6 @@ +import Predef.{Set => _, _} + +object Test { + val x = Map(1 -> 2) + val y = Set(3) +} diff --git a/tests/untried/neg/not-a-legal-formal-parameter-tuple.check b/tests/untried/neg/not-a-legal-formal-parameter-tuple.check new file mode 100644 index 000000000..2b906b8ff --- /dev/null +++ b/tests/untried/neg/not-a-legal-formal-parameter-tuple.check @@ -0,0 +1,19 @@ +not-a-legal-formal-parameter-tuple.scala:2: error: not a legal formal parameter. +Note: Tuples cannot be directly destructured in method or function parameters. + Either create a single parameter accepting the Tuple2, + or consider a pattern matching anonymous function: `{ case (a, b) => ... } + val x: ((Int, Int) => Int) = (((a, b)) => a) + ^ +not-a-legal-formal-parameter-tuple.scala:3: error: not a legal formal parameter. +Note: Tuples cannot be directly destructured in method or function parameters. + Either create a single parameter accepting the Tuple2, + or consider a pattern matching anonymous function: `{ case (param1, param2) => ... } + val y: ((Int, Int, Int) => Int) = (((a, !!)) => a) + ^ +not-a-legal-formal-parameter-tuple.scala:4: error: not a legal formal parameter. +Note: Tuples cannot be directly destructured in method or function parameters. + Either create a single parameter accepting the Tuple3, + or consider a pattern matching anonymous function: `{ case (param1, ..., param3) => ... } + val z: ((Int, Int, Int) => Int) = (((a, NotAPatternVariableName, c)) => a) + ^ +three errors found diff --git a/tests/untried/neg/not-a-legal-formal-parameter-tuple.scala b/tests/untried/neg/not-a-legal-formal-parameter-tuple.scala new file mode 100644 index 000000000..c7a13557d --- /dev/null +++ b/tests/untried/neg/not-a-legal-formal-parameter-tuple.scala @@ -0,0 +1,5 @@ +class C { + val x: ((Int, Int) => Int) = (((a, b)) => a) + val y: ((Int, Int, Int) => Int) = (((a, !!)) => a) + val z: ((Int, Int, Int) => Int) = (((a, NotAPatternVariableName, c)) => a) +} diff --git a/tests/untried/neg/not-possible-cause.check b/tests/untried/neg/not-possible-cause.check new file mode 100644 index 000000000..5c09fa154 --- /dev/null +++ b/tests/untried/neg/not-possible-cause.check @@ -0,0 +1,9 @@ +not-possible-cause.scala:2: error: type mismatch; + found : a.type (with underlying type A) + required: AnyRef +Note that A is bounded only by Equals, which means AnyRef is not a known parent. +Such types can participate in value classes, but instances +cannot appear in singleton types or in reference comparisons. + def foo[A <: Product](a: A) { type X = a.type } + ^ +one error found diff --git a/tests/untried/neg/not-possible-cause.scala b/tests/untried/neg/not-possible-cause.scala new file mode 100644 index 000000000..6c500b7b8 --- /dev/null +++ b/tests/untried/neg/not-possible-cause.scala @@ -0,0 +1,3 @@ +object Foo { + def foo[A <: Product](a: A): Unit = { type X = a.type } +} diff --git a/tests/untried/neg/null-unsoundness.check b/tests/untried/neg/null-unsoundness.check new file mode 100644 index 000000000..bc0b5c996 --- /dev/null +++ b/tests/untried/neg/null-unsoundness.check @@ -0,0 +1,5 @@ +null-unsoundness.scala:8: error: stable identifier required, but A.this.x found. + Note that value x is not stable because its type, A.this.A with A.this.D, is volatile. + var y: x.T = new C("abc") + ^ +one error found diff --git a/tests/untried/neg/null-unsoundness.scala b/tests/untried/neg/null-unsoundness.scala new file mode 100644 index 000000000..0f8ed5e31 --- /dev/null +++ b/tests/untried/neg/null-unsoundness.scala @@ -0,0 +1,14 @@ +class B +class C(x: String) extends B + +class A { + type A >: Null + class D { type T >: C <: B } + val x: A with D = null + var y: x.T = new C("abc") +} +object Test extends A with App { + class C { type T = Int; val x = 1 } + type A = C + y = 42 +} diff --git a/tests/untried/neg/nullary-override.check b/tests/untried/neg/nullary-override.check new file mode 100644 index 000000000..f032f4a6c --- /dev/null +++ b/tests/untried/neg/nullary-override.check @@ -0,0 +1,6 @@ +nullary-override.scala:2: warning: non-nullary method overrides nullary method +class B extends A { override def x(): Int = 4 } + ^ +error: No warnings can be incurred under -Xfatal-warnings. +one warning found +one error found diff --git a/tests/untried/neg/nullary-override.flags b/tests/untried/neg/nullary-override.flags new file mode 100644 index 000000000..6c1dd108a --- /dev/null +++ b/tests/untried/neg/nullary-override.flags @@ -0,0 +1 @@ +-Xfatal-warnings -Xlint
\ No newline at end of file diff --git a/tests/untried/neg/nullary-override.scala b/tests/untried/neg/nullary-override.scala new file mode 100644 index 000000000..3eb4784a0 --- /dev/null +++ b/tests/untried/neg/nullary-override.scala @@ -0,0 +1,3 @@ +class A { def x: Int = 3 } +class B extends A { override def x(): Int = 4 } + diff --git a/tests/untried/neg/object-not-a-value.check b/tests/untried/neg/object-not-a-value.check new file mode 100644 index 000000000..613210f27 --- /dev/null +++ b/tests/untried/neg/object-not-a-value.check @@ -0,0 +1,4 @@ +object-not-a-value.scala:5: error: object java.util.List is not a value + List(1) map (_ + 1) + ^ +one error found diff --git a/tests/untried/neg/object-not-a-value.scala b/tests/untried/neg/object-not-a-value.scala new file mode 100644 index 000000000..207b271df --- /dev/null +++ b/tests/untried/neg/object-not-a-value.scala @@ -0,0 +1,7 @@ +object Test { + import java.util._ + + def main(args: Array[String]): Unit = { + List(1) map (_ + 1) + } +} diff --git a/tests/untried/neg/overload-msg.check b/tests/untried/neg/overload-msg.check new file mode 100644 index 000000000..c61ace0dd --- /dev/null +++ b/tests/untried/neg/overload-msg.check @@ -0,0 +1,13 @@ +overload-msg.scala:3: error: overloaded method value + with alternatives: + (x: Double)Double <and> + (x: Float)Float <and> + (x: Long)Long <and> + (x: scala.Int)scala.Int <and> + (x: Char)scala.Int <and> + (x: Short)scala.Int <and> + (x: Byte)scala.Int <and> + (x: String)String + cannot be applied to (Int(in method f)) + def f[Int](y: Int) = x + y + ^ +one error found diff --git a/tests/untried/neg/overload-msg.scala b/tests/untried/neg/overload-msg.scala new file mode 100644 index 000000000..8715c156a --- /dev/null +++ b/tests/untried/neg/overload-msg.scala @@ -0,0 +1,4 @@ +// type parameter shadows actual type, massive overload error confuses. +class A(x: Int) { + def f[Int](y: Int) = x + y +} diff --git a/tests/untried/neg/overload.check b/tests/untried/neg/overload.check new file mode 100644 index 000000000..abfabaf3f --- /dev/null +++ b/tests/untried/neg/overload.check @@ -0,0 +1,7 @@ +overload.scala:10: error: ambiguous reference to overloaded definition, +both method f in class D of type (x: Any)Unit +and method f in class C of type (x: Int)Unit +match argument types (Int) + (new D).f(1) + ^ +one error found diff --git a/tests/untried/neg/overload.scala b/tests/untried/neg/overload.scala new file mode 100644 index 000000000..3128a39d0 --- /dev/null +++ b/tests/untried/neg/overload.scala @@ -0,0 +1,11 @@ +class C { + def f(x: Int): Unit = {} +} + +class D extends C { + def f(x: Any): Unit = {} +} + +object Test { + (new D).f(1) +} diff --git a/tests/untried/neg/overloaded-implicit.check b/tests/untried/neg/overloaded-implicit.check new file mode 100644 index 000000000..ca0870705 --- /dev/null +++ b/tests/untried/neg/overloaded-implicit.check @@ -0,0 +1,9 @@ +overloaded-implicit.scala:2: warning: parameterized overloaded implicit methods are not visible as view bounds + implicit def imp1[T](x: List[T]): Map[T, T] = Map() + ^ +overloaded-implicit.scala:3: warning: parameterized overloaded implicit methods are not visible as view bounds + implicit def imp1[T](x: Set[T]): Map[T, T] = Map() + ^ +error: No warnings can be incurred under -Xfatal-warnings. +two warnings found +one error found diff --git a/tests/untried/neg/overloaded-implicit.flags b/tests/untried/neg/overloaded-implicit.flags new file mode 100644 index 000000000..9c1e74e4e --- /dev/null +++ b/tests/untried/neg/overloaded-implicit.flags @@ -0,0 +1 @@ +-Xlint -Xfatal-warnings -Xdev diff --git a/tests/untried/neg/overloaded-implicit.scala b/tests/untried/neg/overloaded-implicit.scala new file mode 100644 index 000000000..68b1ceaa3 --- /dev/null +++ b/tests/untried/neg/overloaded-implicit.scala @@ -0,0 +1,17 @@ +object Test { + implicit def imp1[T](x: List[T]): Map[T, T] = Map() + implicit def imp1[T](x: Set[T]): Map[T, T] = Map() + + def f[T <% Map[Int, Int]](x: T): Double = 1.0d + + // not parameterized, no warning + implicit def imp2(x: List[Int]): String = "a" + implicit def imp2(x: Set[Int]): String = "b" + + def g[T <% String](x: T): Double = 2.0d + + def main(args: Array[String]): Unit = { + // println(f(List(1))) + println(g(List(1))) + } +} diff --git a/tests/untried/neg/overloaded-unapply.check b/tests/untried/neg/overloaded-unapply.check new file mode 100644 index 000000000..68a826bac --- /dev/null +++ b/tests/untried/neg/overloaded-unapply.check @@ -0,0 +1,14 @@ +overloaded-unapply.scala:18: error: ambiguous reference to overloaded definition, +both method unapply in object List of type [a](xs: List[a])Option[Null] +and method unapply in object List of type [a](xs: List[a])Option[(a, List[a])] +match argument types (List[a]) + case List(x, xs) => 7 + ^ +overloaded-unapply.scala:22: error: cannot resolve overloaded unapply + case List(x, xs) => 7 + ^ +overloaded-unapply.scala:12: error: method unapply is defined twice + conflicting symbols both originated in file 'overloaded-unapply.scala' + def unapply[a](xs: List[a]): Option[Null] = xs match { + ^ +three errors found diff --git a/tests/untried/neg/overloaded-unapply.scala b/tests/untried/neg/overloaded-unapply.scala new file mode 100644 index 000000000..36909626c --- /dev/null +++ b/tests/untried/neg/overloaded-unapply.scala @@ -0,0 +1,24 @@ +sealed abstract class List[+a] +private case object Nil extends List[Nothing] +private final case class Cons[+a](head: a, tail: List[a]) +extends List[a] + +object List { + def unapply[a](xs: List[a]): Option[(a, List[a])] = xs match { + case Nil => None + case Cons(x, xs) => Some(x, xs) + } + + def unapply[a](xs: List[a]): Option[Null] = xs match { + case Nil => Some(null) + case Cons(_, _) => None + } + + def foo[a](xs: List[a]) = xs match { + case List(x, xs) => 7 + } + + def bar(xs: Any) = xs match { // test error message OverloadedUnapplyError + case List(x, xs) => 7 + } +} diff --git a/tests/untried/neg/override-object-flag.check b/tests/untried/neg/override-object-flag.check new file mode 100644 index 000000000..344165138 --- /dev/null +++ b/tests/untried/neg/override-object-flag.check @@ -0,0 +1,5 @@ +override-object-flag.scala:3: error: overriding object Foo in trait A; + object Foo cannot override final member +trait B extends A { override object Foo } + ^ +one error found diff --git a/tests/untried/neg/override-object-flag.scala b/tests/untried/neg/override-object-flag.scala new file mode 100644 index 000000000..74d00dd44 --- /dev/null +++ b/tests/untried/neg/override-object-flag.scala @@ -0,0 +1,3 @@ +// no flag enabling it, fail +trait A { object Foo } +trait B extends A { override object Foo } diff --git a/tests/untried/neg/override-object-no.check b/tests/untried/neg/override-object-no.check new file mode 100644 index 000000000..9cfda80fc --- /dev/null +++ b/tests/untried/neg/override-object-no.check @@ -0,0 +1,23 @@ +override-object-no.scala:14: error: overriding object Bar in trait Foo with object Bar in trait Foo2: +an overriding object must conform to the overridden object's class bound; + found : case1.Bippy + required: case1.Bippy with case1.Bippo + override object Bar extends Bippy { // err + ^ +override-object-no.scala:21: error: overriding object Bar in trait Quux1 with object Bar in trait Quux2: +an overriding object must conform to the overridden object's class bound; + found : AnyRef{def g: String} + required: AnyRef{def g: Int} + trait Quux2 extends Quux1 { override object Bar { def g = "abc" } } // err + ^ +override-object-no.scala:25: error: overriding object Bar in trait Quux3; + object Bar cannot override final member + trait Quux4 extends Quux3 { override object Bar } // err + ^ +override-object-no.scala:43: error: overriding object A in class Foo with object A in class P2: +an overriding object must conform to the overridden object's class bound; + found : case2.Bar[List[String]] + required: case2.Bar[Traversable[String]] + override object A extends Bar[List[String]] // err + ^ +four errors found diff --git a/tests/untried/neg/override-object-no.flags b/tests/untried/neg/override-object-no.flags new file mode 100644 index 000000000..22e9a95c4 --- /dev/null +++ b/tests/untried/neg/override-object-no.flags @@ -0,0 +1 @@ +-Yoverride-objects
\ No newline at end of file diff --git a/tests/untried/neg/override-object-no.scala b/tests/untried/neg/override-object-no.scala new file mode 100644 index 000000000..745cdb233 --- /dev/null +++ b/tests/untried/neg/override-object-no.scala @@ -0,0 +1,45 @@ +// See also pos/override-object-yes.scala + +package case1 { + // Missing interface in overriding object + class Bippy { def f = 1 } + trait Bippo + + trait Foo { + object Bar extends Bippy with Bippo { override def f = 2 } + def f(x: Bippo) + def g = f(Bar) + } + trait Foo2 extends Foo { + override object Bar extends Bippy { // err + override def f = 3 + } + } + + // type mismatch in member + trait Quux1 { object Bar { def g = 55 } } + trait Quux2 extends Quux1 { override object Bar { def g = "abc" } } // err + + // still can't override final objects! + trait Quux3 { final object Bar { } } + trait Quux4 extends Quux3 { override object Bar } // err +} + +// type parameter as-seen-from business +package case2 { + // invariance (see pos for the covariant case) + class Bar[T] + + class Foo[T] { + object A extends Bar[T] + } + + class Baz[S] extends Foo[S] { + override object A extends Bar[S] + } + + class P1 extends Foo[Traversable[String]] + class P2 extends P1 { + override object A extends Bar[List[String]] // err + } +} diff --git a/tests/untried/neg/override.check b/tests/untried/neg/override.check new file mode 100644 index 000000000..8be98bf4d --- /dev/null +++ b/tests/untried/neg/override.check @@ -0,0 +1,5 @@ +override.scala:9: error: overriding type T in trait A with bounds >: Int <: Int; + type T in trait B with bounds >: String <: String has incompatible type + lazy val x : A with B = {println(""); x} + ^ +one error found diff --git a/tests/untried/neg/override.scala b/tests/untried/neg/override.scala new file mode 100755 index 000000000..797551606 --- /dev/null +++ b/tests/untried/neg/override.scala @@ -0,0 +1,15 @@ +trait X { + trait A { type T >: Int <: Int } + val x : A + var n : x.T = 3 +} + +trait Y extends X { + trait B { type T >: String <: String } + lazy val x : A with B = {println(""); x} + n = "foo" +} + +object Test extends App { + new Y {} +} diff --git a/tests/untried/neg/parent-inherited-twice-error.check b/tests/untried/neg/parent-inherited-twice-error.check new file mode 100644 index 000000000..521a6c19d --- /dev/null +++ b/tests/untried/neg/parent-inherited-twice-error.check @@ -0,0 +1,7 @@ +parent-inherited-twice-error.scala:2: error: trait A is inherited twice +class B extends A with A + ^ +parent-inherited-twice-error.scala:2: error: trait A is inherited twice +class B extends A with A + ^ +two errors found diff --git a/tests/untried/neg/parent-inherited-twice-error.scala b/tests/untried/neg/parent-inherited-twice-error.scala new file mode 100644 index 000000000..7b433b986 --- /dev/null +++ b/tests/untried/neg/parent-inherited-twice-error.scala @@ -0,0 +1,2 @@ +trait A +class B extends A with A diff --git a/tests/untried/neg/parstar.check b/tests/untried/neg/parstar.check new file mode 100644 index 000000000..108f0f4de --- /dev/null +++ b/tests/untried/neg/parstar.check @@ -0,0 +1,7 @@ +parstar.scala:8: error: *-parameter must come last + def m(a: A*, b: B ) = a.toArray + ^ +parstar.scala:9: error: *-parameter must come last + def m(a: A*, b: B*) = a.toArray + ^ +two errors found diff --git a/tests/untried/neg/parstar.scala b/tests/untried/neg/parstar.scala new file mode 100644 index 000000000..dd8d10844 --- /dev/null +++ b/tests/untried/neg/parstar.scala @@ -0,0 +1,10 @@ +package test; + +object test { + class A + class B + + def m(a: A, b: B*) = b.toArray + def m(a: A*, b: B ) = a.toArray + def m(a: A*, b: B*) = a.toArray +} diff --git a/tests/untried/neg/pat_unreachable.check b/tests/untried/neg/pat_unreachable.check new file mode 100644 index 000000000..374ee4e9c --- /dev/null +++ b/tests/untried/neg/pat_unreachable.check @@ -0,0 +1,17 @@ +pat_unreachable.scala:22: warning: patterns after a variable pattern cannot match (SLS 8.1.1) +If you intended to match against parameter b of method contrivedExample, you must use backticks, like: case `b` => + case b => println("matched b") + ^ +pat_unreachable.scala:23: warning: unreachable code due to variable pattern 'b' on line 22 +If you intended to match against parameter c of method contrivedExample, you must use backticks, like: case `c` => + case c => println("matched c") + ^ +pat_unreachable.scala:24: warning: unreachable code due to variable pattern 'b' on line 22 + case _ => println("matched neither") + ^ +pat_unreachable.scala:23: warning: unreachable code + case c => println("matched c") + ^ +error: No warnings can be incurred under -Xfatal-warnings. +four warnings found +one error found diff --git a/tests/untried/neg/pat_unreachable.flags b/tests/untried/neg/pat_unreachable.flags new file mode 100644 index 000000000..85d8eb2ba --- /dev/null +++ b/tests/untried/neg/pat_unreachable.flags @@ -0,0 +1 @@ +-Xfatal-warnings diff --git a/tests/untried/neg/pat_unreachable.scala b/tests/untried/neg/pat_unreachable.scala new file mode 100644 index 000000000..1f402e521 --- /dev/null +++ b/tests/untried/neg/pat_unreachable.scala @@ -0,0 +1,26 @@ + +object Test extends App { + def unreachable1(xs:Seq[Char]) = xs match { + case Seq(x, y, _*) => x::y::Nil + case Seq(x, y, z, w) => List(z,w) // redundant! + } + def unreachable2(xs:Seq[Char]) = xs match { + case Seq(x, y, _*) => x::y::Nil + case Seq(x, y) => List(x, y) + } + + def not_unreachable(xs:Seq[Char]) = xs match { + case Seq(x, y, _*) => x::y::Nil + case Seq(x) => List(x) + } + def not_unreachable2(xs:Seq[Char]) = xs match { + case Seq(x, y) => x::y::Nil + case Seq(x, y, z, _*) => List(x,y) + } + + def contrivedExample[A, B, C](a: A, b: B, c: C): Unit = a match { + case b => println("matched b") + case c => println("matched c") + case _ => println("matched neither") + } +} diff --git a/tests/untried/neg/patmat-classtag-compound.check b/tests/untried/neg/patmat-classtag-compound.check new file mode 100644 index 000000000..8a54c935b --- /dev/null +++ b/tests/untried/neg/patmat-classtag-compound.check @@ -0,0 +1,6 @@ +patmat-classtag-compound.scala:12: warning: abstract type pattern A is unchecked since it is eliminated by erasure + case b: A with Bar => true + ^ +error: No warnings can be incurred under -Xfatal-warnings. +one warning found +one error found diff --git a/tests/untried/neg/patmat-classtag-compound.flags b/tests/untried/neg/patmat-classtag-compound.flags new file mode 100644 index 000000000..144ddac9d --- /dev/null +++ b/tests/untried/neg/patmat-classtag-compound.flags @@ -0,0 +1 @@ +-unchecked -Xfatal-warnings diff --git a/tests/untried/neg/patmat-classtag-compound.scala b/tests/untried/neg/patmat-classtag-compound.scala new file mode 100644 index 000000000..e2d0df0a0 --- /dev/null +++ b/tests/untried/neg/patmat-classtag-compound.scala @@ -0,0 +1,17 @@ +object Test extends App{ + trait Bar + trait Foo + // Failed to give an unchecked warning pre: https://github.com/scala/scala/pull/2848 + // + // Features interacting: + // - implicit class tags to enable type patterns on abstract types + // - type tests on compound types. + // + // We could try make these work together, but an unchecked warning is okay for now. + def x[A: reflect.ClassTag](a: Any): Boolean = a match{ + case b: A with Bar => true + case _ => false + } + println(x[Foo](new Bar{})) + println(x[String]("")) +} diff --git a/tests/untried/neg/patmat-type-check.check b/tests/untried/neg/patmat-type-check.check new file mode 100644 index 000000000..fedac3b74 --- /dev/null +++ b/tests/untried/neg/patmat-type-check.check @@ -0,0 +1,46 @@ +patmat-type-check.scala:11: warning: fruitless type test: a value of type Test.Bop4[T] cannot also be a Seq[A] + def s3[T](x: Bop4[T]) = x match { case Seq('b', 'o', 'b') => true } + ^ +patmat-type-check.scala:11: error: pattern type is incompatible with expected type; + found : Seq[A] + required: Test.Bop4[T] + def s3[T](x: Bop4[T]) = x match { case Seq('b', 'o', 'b') => true } + ^ +patmat-type-check.scala:15: warning: fruitless type test: a value of type Test.Bop5[_$1,T1,T2] cannot also be a Seq[A] + def s4[T1, T2](x: Bop5[_, T1, T2]) = x match { case Seq('b', 'o', 'b') => true } + ^ +patmat-type-check.scala:15: error: pattern type is incompatible with expected type; + found : Seq[A] + required: Test.Bop5[_$1,T1,T2] where type _$1 + def s4[T1, T2](x: Bop5[_, T1, T2]) = x match { case Seq('b', 'o', 'b') => true } + ^ +patmat-type-check.scala:19: warning: fruitless type test: a value of type Test.Bop3[T] cannot also be a Seq[A] + def f4[T](x: Bop3[T]) = x match { case Seq('b', 'o', 'b') => true } + ^ +patmat-type-check.scala:19: error: pattern type is incompatible with expected type; + found : Seq[A] + required: Test.Bop3[T] + def f4[T](x: Bop3[T]) = x match { case Seq('b', 'o', 'b') => true } + ^ +patmat-type-check.scala:22: error: scrutinee is incompatible with pattern type; + found : Seq[A] + required: String + def f1 = "bob".reverse match { case Seq('b', 'o', 'b') => true } // fail + ^ +patmat-type-check.scala:23: error: scrutinee is incompatible with pattern type; + found : Seq[A] + required: Array[Char] + def f2 = "bob".toArray match { case Seq('b', 'o', 'b') => true } // fail + ^ +patmat-type-check.scala:27: error: scrutinee is incompatible with pattern type; + found : Seq[A] + required: Test.Bop2 + def f3(x: Bop2) = x match { case Seq('b', 'o', 'b') => true } // fail + ^ +patmat-type-check.scala:30: error: scrutinee is incompatible with pattern type; + found : Seq[A] + required: Test.Bop3[Char] + def f4[T](x: Bop3[Char]) = x match { case Seq('b', 'o', 'b') => true } // fail + ^ +three warnings found +7 errors found diff --git a/tests/untried/neg/patmat-type-check.scala b/tests/untried/neg/patmat-type-check.scala new file mode 100644 index 000000000..26d0409fa --- /dev/null +++ b/tests/untried/neg/patmat-type-check.scala @@ -0,0 +1,31 @@ +object Test +{ + def s1 = "bob".toList match { case Seq('b', 'o', 'b') => true } // list ok + + // not final, allowed + class Bop + def s2(x: Bop) = x match { case Seq('b', 'o', 'b') => true } + + // covariance, allowed + final class Bop4[+T] + def s3[T](x: Bop4[T]) = x match { case Seq('b', 'o', 'b') => true } + + // contravariance, allowed + final class Bop5[T, U, -V] + def s4[T1, T2](x: Bop5[_, T1, T2]) = x match { case Seq('b', 'o', 'b') => true } + + // free type parameter, allowed + final class Bop3[T] + def f4[T](x: Bop3[T]) = x match { case Seq('b', 'o', 'b') => true } + + // String and Array are final/invariant, disallowed + def f1 = "bob".reverse match { case Seq('b', 'o', 'b') => true } // fail + def f2 = "bob".toArray match { case Seq('b', 'o', 'b') => true } // fail + + // final, no type parameters, should be disallowed + final class Bop2 + def f3(x: Bop2) = x match { case Seq('b', 'o', 'b') => true } // fail + + // final, invariant type parameter, should be disallowed + def f4[T](x: Bop3[Char]) = x match { case Seq('b', 'o', 'b') => true } // fail +} diff --git a/tests/untried/neg/patmatexhaust.check b/tests/untried/neg/patmatexhaust.check new file mode 100644 index 000000000..2dad60845 --- /dev/null +++ b/tests/untried/neg/patmatexhaust.check @@ -0,0 +1,42 @@ +patmatexhaust.scala:7: warning: match may not be exhaustive. +It would fail on the following input: Baz + def ma1(x:Foo) = x match { + ^ +patmatexhaust.scala:11: warning: match may not be exhaustive. +It would fail on the following input: Bar(_) + def ma2(x:Foo) = x match { + ^ +patmatexhaust.scala:23: warning: match may not be exhaustive. +It would fail on the following inputs: (Kult(_), Kult(_)), (Qult(), Qult()) + def ma3(x:Mult) = (x,x) match { // not exhaustive + ^ +patmatexhaust.scala:49: warning: match may not be exhaustive. +It would fail on the following inputs: Gp(), Gu + def ma4(x:Deep) = x match { // missing cases: Gu, Gp + ^ +patmatexhaust.scala:55: warning: unreachable code + case _ if 1 == 0 => + ^ +patmatexhaust.scala:53: warning: match may not be exhaustive. +It would fail on the following input: Gp() + def ma5(x:Deep) = x match { + ^ +patmatexhaust.scala:75: warning: match may not be exhaustive. +It would fail on the following input: B() + def ma9(x: B) = x match { + ^ +patmatexhaust.scala:100: warning: match may not be exhaustive. +It would fail on the following input: C1() + def ma10(x: C) = x match { // not exhaustive: C1 is not sealed. + ^ +patmatexhaust.scala:114: warning: match may not be exhaustive. +It would fail on the following inputs: D1, D2() + def ma10(x: C) = x match { // not exhaustive: C1 has subclasses. + ^ +patmatexhaust.scala:126: warning: match may not be exhaustive. +It would fail on the following input: C1() + def ma10(x: C) = x match { // not exhaustive: C1 is not abstract. + ^ +error: No warnings can be incurred under -Xfatal-warnings. +10 warnings found +one error found diff --git a/tests/untried/neg/patmatexhaust.flags b/tests/untried/neg/patmatexhaust.flags new file mode 100644 index 000000000..85d8eb2ba --- /dev/null +++ b/tests/untried/neg/patmatexhaust.flags @@ -0,0 +1 @@ +-Xfatal-warnings diff --git a/tests/untried/neg/patmatexhaust.scala b/tests/untried/neg/patmatexhaust.scala new file mode 100644 index 000000000..f93719782 --- /dev/null +++ b/tests/untried/neg/patmatexhaust.scala @@ -0,0 +1,131 @@ +class TestSealedExhaustive { // compile only + sealed abstract class Foo + + case class Bar(x:Int) extends Foo + case object Baz extends Foo + + def ma1(x:Foo) = x match { + case Bar(_) => // not exhaustive + } + + def ma2(x:Foo) = x match { + case Baz => // not exhaustive + } + + sealed abstract class Mult + case class Kult(s:Mult) extends Mult + case class Qult() extends Mult + + def ma33(x:Kult) = x match { // exhaustive + case Kult(_) => // exhaustive + } + + def ma3(x:Mult) = (x,x) match { // not exhaustive + case (Kult(_), Qult()) => // Kult missing + //case (Kult(_), Kult(_)) => + case (Qult(), Kult(_)) => // Qult missing + //case (Qult(), Qult()) => + } + + def ma3u(x:Mult) = ((x,x) : @unchecked) match { // not exhaustive, but not checked! + case (Kult(_), Qult()) => + case (Qult(), Kult(_)) => + } + + sealed abstract class Deep + + case object Ga extends Deep + sealed class Gp extends Deep + case object Gu extends Gp + + def zma3(x:Deep) = x match { // exhaustive! + case _ => + } + def zma4(x:Deep) = x match { // exhaustive! + case Ga => + case _ => + } + + def ma4(x:Deep) = x match { // missing cases: Gu, Gp + case Ga => + } + + def ma5(x:Deep) = x match { + case Gu => + case _ if 1 == 0 => + case Ga => + } + + def ma6() = List(1,2) match { // give up + case List(1,2) => + case x :: xs => + } + + def ma7() = List(1,2) match { //exhaustive + case 1::2::Nil => + case _ => + } + + sealed class B + case class B1() extends B + case object B2 extends B + def ma8(x: B) = x match { + case _: B => true + } + def ma9(x: B) = x match { + case B1() => true // missing B, which is not abstract so must be included + case B2 => true + } + + object ob1 { + sealed abstract class C + sealed abstract class C1 extends C + object C2 extends C + case class C3() extends C + case object C4 extends C + + def ma10(x: C) = x match { // exhaustive: abstract sealed C1 is dead end. + case C3() => true + case C2 | C4 => true + } + } + + object ob2 { + sealed abstract class C + abstract class C1 extends C + object C2 extends C + case class C3() extends C + case object C4 extends C + + def ma10(x: C) = x match { // not exhaustive: C1 is not sealed. + case C3() => true + case C2 | C4 => true + } + } + object ob3 { + sealed abstract class C + sealed abstract class C1 extends C + object D1 extends C1 + case class D2() extends C1 + object C2 extends C + case class C3() extends C + case object C4 extends C + + def ma10(x: C) = x match { // not exhaustive: C1 has subclasses. + case C3() => true + case C2 | C4 => true + } + } + object ob4 { + sealed abstract class C + sealed class C1 extends C + object C2 extends C + case class C3() extends C + case object C4 extends C + + def ma10(x: C) = x match { // not exhaustive: C1 is not abstract. + case C3() => true + case C2 | C4 => true + } + } +} diff --git a/tests/untried/neg/patternalts.check b/tests/untried/neg/patternalts.check new file mode 100644 index 000000000..9bec9a001 --- /dev/null +++ b/tests/untried/neg/patternalts.check @@ -0,0 +1,4 @@ +patternalts.scala:3: error: illegal variable in pattern alternative + case List(x) | List() => Console.println(x) + ^ +one error found diff --git a/tests/untried/neg/patternalts.scala b/tests/untried/neg/patternalts.scala new file mode 100644 index 000000000..539df4320 --- /dev/null +++ b/tests/untried/neg/patternalts.scala @@ -0,0 +1,5 @@ +object Test { + List(1) match { + case List(x) | List() => Console.println(x) + } +} diff --git a/tests/untried/neg/permanent-blindness.check b/tests/untried/neg/permanent-blindness.check new file mode 100644 index 000000000..cdde201ef --- /dev/null +++ b/tests/untried/neg/permanent-blindness.check @@ -0,0 +1,12 @@ +permanent-blindness.scala:10: warning: imported `Bippy' is permanently hidden by definition of class Bippy in package bar + import foo.{ Bippy, Bop, Dingus } + ^ +permanent-blindness.scala:10: warning: imported `Bop' is permanently hidden by definition of object Bop in package bar + import foo.{ Bippy, Bop, Dingus } + ^ +permanent-blindness.scala:10: warning: imported `Dingus' is permanently hidden by definition of object Dingus in package bar + import foo.{ Bippy, Bop, Dingus } + ^ +error: No warnings can be incurred under -Xfatal-warnings. +three warnings found +one error found diff --git a/tests/untried/neg/permanent-blindness.flags b/tests/untried/neg/permanent-blindness.flags new file mode 100644 index 000000000..e8fb65d50 --- /dev/null +++ b/tests/untried/neg/permanent-blindness.flags @@ -0,0 +1 @@ +-Xfatal-warnings
\ No newline at end of file diff --git a/tests/untried/neg/permanent-blindness.scala b/tests/untried/neg/permanent-blindness.scala new file mode 100644 index 000000000..bb57e36fc --- /dev/null +++ b/tests/untried/neg/permanent-blindness.scala @@ -0,0 +1,22 @@ +package foo { + class Bippy + object Bop { + def fff = 5 + } + object Dingus +} + +package bar { + import foo.{ Bippy, Bop, Dingus } + + class Bippy + object Bop + object Dingus + + + class Ding { + def fff = 5 + + def g = new Bippy + } +} diff --git a/tests/untried/neg/predef-masking.check b/tests/untried/neg/predef-masking.check new file mode 100644 index 000000000..79e4dece8 --- /dev/null +++ b/tests/untried/neg/predef-masking.check @@ -0,0 +1,4 @@ +predef-masking.scala:7: error: value + is not a member of type parameter T + def f[T](x: T) = x + 5 + ^ +one error found diff --git a/tests/untried/neg/predef-masking.scala b/tests/untried/neg/predef-masking.scala new file mode 100644 index 000000000..67b69aa16 --- /dev/null +++ b/tests/untried/neg/predef-masking.scala @@ -0,0 +1,21 @@ +// Testing predef masking +import Predef.{ any2stringadd => _, _ } + +object StringPlusConfusion { + // Would love to do something about this error message, but by the + // time we get our hands on it the context is lost. + def f[T](x: T) = x + 5 + + // After we block out any2stringadd, the error is: + // + // work/a.scala:7: error: value + is not a member of type parameter T + // def f[T](x: T) = x + 5 + // ^ + // Normally, it is: + // + // work/a.scala:7: error: type mismatch; + // found : Int(5) + // required: String + // def f[T](x: T) = x + 5 + // ^ +} diff --git a/tests/untried/neg/primitive-sigs-1.check b/tests/untried/neg/primitive-sigs-1.check new file mode 100644 index 000000000..77dc457a4 --- /dev/null +++ b/tests/untried/neg/primitive-sigs-1.check @@ -0,0 +1,6 @@ +B.scala:3: error: type mismatch; + found : Bippy + required: AC[Integer] + J.f(new Bippy()) + ^ +one error found diff --git a/tests/untried/neg/primitive-sigs-1/A.scala b/tests/untried/neg/primitive-sigs-1/A.scala new file mode 100644 index 000000000..007a64c8f --- /dev/null +++ b/tests/untried/neg/primitive-sigs-1/A.scala @@ -0,0 +1,9 @@ +// scala: the signature in the abstract class will use the +// upper bound as return type, which for us will be Integer +// since primitives can't appear in bounds. +abstract class AC[T <: Int] { + def f(): T +} +class Bippy extends AC[Int] { + def f(): Int = 5 +} diff --git a/tests/untried/neg/primitive-sigs-1/B.scala b/tests/untried/neg/primitive-sigs-1/B.scala new file mode 100644 index 000000000..0958bcda5 --- /dev/null +++ b/tests/untried/neg/primitive-sigs-1/B.scala @@ -0,0 +1,5 @@ +object Test { + def main(args: Array[String]): Unit = { + J.f(new Bippy()) + } +} diff --git a/tests/untried/neg/primitive-sigs-1/J.java b/tests/untried/neg/primitive-sigs-1/J.java new file mode 100644 index 000000000..2e43b8330 --- /dev/null +++ b/tests/untried/neg/primitive-sigs-1/J.java @@ -0,0 +1,8 @@ +// java: often the java or scala compiler will save us from +// the untruth in the signature, but not always. +public class J { + public static Integer f(AC<Integer> x) { return x.f(); } + public static void main(String[] args) { + f(new Bippy()); + } +} diff --git a/tests/untried/neg/protected-constructors.check b/tests/untried/neg/protected-constructors.check new file mode 100644 index 000000000..f44d7db9b --- /dev/null +++ b/tests/untried/neg/protected-constructors.check @@ -0,0 +1,22 @@ +protected-constructors.scala:17: error: too many arguments for constructor Foo1: ()dingus.Foo1 + val foo1 = new Foo1("abc") + ^ +protected-constructors.scala:18: error: constructor Foo2 in class Foo2 cannot be accessed in object P + Access to protected constructor Foo2 not permitted because + enclosing object P in package hungus is not a subclass of + class Foo2 in package dingus where target is defined + val foo2 = new Foo2("abc") + ^ +protected-constructors.scala:19: error: class Foo3 in object Ding cannot be accessed in object dingus.Ding + Access to protected class Foo3 not permitted because + enclosing object P in package hungus is not a subclass of + object Ding in package dingus where target is defined + val foo3 = new Ding.Foo3("abc") + ^ +protected-constructors.scala:15: error: class Foo3 in object Ding cannot be accessed in object dingus.Ding + Access to protected class Foo3 not permitted because + enclosing object P in package hungus is not a subclass of + object Ding in package dingus where target is defined + class Bar3 extends Ding.Foo3("abc") + ^ +four errors found diff --git a/tests/untried/neg/protected-constructors.scala b/tests/untried/neg/protected-constructors.scala new file mode 100644 index 000000000..2838caf09 --- /dev/null +++ b/tests/untried/neg/protected-constructors.scala @@ -0,0 +1,21 @@ +package dingus { + class Foo1() { protected def this(name: String) = this() } + class Foo2 protected (name: String) { } + object Ding { + protected class Foo3(name: String) { } + } +} + +package hungus { + import dingus._ + + object P { + class Bar1 extends Foo1("abc") + class Bar2 extends Foo2("abc") + class Bar3 extends Ding.Foo3("abc") + + val foo1 = new Foo1("abc") + val foo2 = new Foo2("abc") + val foo3 = new Ding.Foo3("abc") + } +} diff --git a/tests/untried/neg/protected-static-fail.check b/tests/untried/neg/protected-static-fail.check new file mode 100644 index 000000000..9f0bc92e7 --- /dev/null +++ b/tests/untried/neg/protected-static-fail.check @@ -0,0 +1,16 @@ +S.scala:5: error: method f in object J cannot be accessed in object bippy.J + J.f() + ^ +S.scala:6: error: method f1 in object S1 cannot be accessed in object bippy.S1 + Access to protected method f1 not permitted because + enclosing object Test in package bippy is not a subclass of + object S1 in package bippy where target is defined + S1.f1() + ^ +S.scala:8: error: method f2 in class S2 cannot be accessed in bippy.S2 + Access to protected method f2 not permitted because + enclosing object Test in package bippy is not a subclass of + class S2 in package bippy where target is defined + x.f2() + ^ +three errors found diff --git a/tests/untried/neg/protected-static-fail/J.java b/tests/untried/neg/protected-static-fail/J.java new file mode 100644 index 000000000..c340800d7 --- /dev/null +++ b/tests/untried/neg/protected-static-fail/J.java @@ -0,0 +1,7 @@ +package bippy; + +public class J { + private static String f() { + return "hi mom"; + } +}
\ No newline at end of file diff --git a/tests/untried/neg/protected-static-fail/S.scala b/tests/untried/neg/protected-static-fail/S.scala new file mode 100644 index 000000000..f9dd89d9d --- /dev/null +++ b/tests/untried/neg/protected-static-fail/S.scala @@ -0,0 +1,10 @@ +package bippy + +object Test { + def main(args: Array[String]): Unit = { + J.f() + S1.f1() + val x = new S2 + x.f2() + } +} diff --git a/tests/untried/neg/protected-static-fail/S0.scala b/tests/untried/neg/protected-static-fail/S0.scala new file mode 100644 index 000000000..93a7bd91a --- /dev/null +++ b/tests/untried/neg/protected-static-fail/S0.scala @@ -0,0 +1,9 @@ +package bippy + +object S1 { + protected def f1() = "hi mom" +} + +class S2 { + protected def f2() = "hi mom" +} diff --git a/tests/untried/neg/qualifying-class-error-1.check b/tests/untried/neg/qualifying-class-error-1.check new file mode 100644 index 000000000..c70db9ba6 --- /dev/null +++ b/tests/untried/neg/qualifying-class-error-1.check @@ -0,0 +1,4 @@ +qualifying-class-error-1.scala:2: error: this can be used only in a class, object, or template +class B extends A(this.getClass.getName.length) + ^ +one error found diff --git a/tests/untried/neg/qualifying-class-error-1.scala b/tests/untried/neg/qualifying-class-error-1.scala new file mode 100644 index 000000000..09152fe04 --- /dev/null +++ b/tests/untried/neg/qualifying-class-error-1.scala @@ -0,0 +1,2 @@ +class A(val i:Int) +class B extends A(this.getClass.getName.length) diff --git a/tests/untried/neg/qualifying-class-error-2.check b/tests/untried/neg/qualifying-class-error-2.check new file mode 100644 index 000000000..50c275968 --- /dev/null +++ b/tests/untried/neg/qualifying-class-error-2.check @@ -0,0 +1,4 @@ +qualifying-class-error-2.scala:9: error: A is not an enclosing class + protected[A] def f() {} + ^ +one error found diff --git a/tests/untried/neg/qualifying-class-error-2.scala b/tests/untried/neg/qualifying-class-error-2.scala new file mode 100644 index 000000000..9b80e1030 --- /dev/null +++ b/tests/untried/neg/qualifying-class-error-2.scala @@ -0,0 +1,11 @@ +package A { + trait X { + protected[A] def f() + } +} + +package B { + class Y extends A.X { + protected[A] def f(): Unit = {} + } +} diff --git a/tests/untried/neg/quasiquotes-syntax-error-position.check b/tests/untried/neg/quasiquotes-syntax-error-position.check new file mode 100644 index 000000000..9fd6ce041 --- /dev/null +++ b/tests/untried/neg/quasiquotes-syntax-error-position.check @@ -0,0 +1,47 @@ +quasiquotes-syntax-error-position.scala:5: error: '=' expected but identifier found. + q"def $a f" + ^ +quasiquotes-syntax-error-position.scala:6: error: illegal start of simple expression + q"$a(" + ^ +quasiquotes-syntax-error-position.scala:7: error: '}' expected but end of quote found. + q"class $t { def foo = $a" + ^ +quasiquotes-syntax-error-position.scala:8: error: '.' expected but unquotee found. + q"import $t $t" + ^ +quasiquotes-syntax-error-position.scala:9: error: '{' expected but end of quote found. + q"package p" + ^ +quasiquotes-syntax-error-position.scala:10: error: ';' expected but '@' found. + q"foo@$a" + ^ +quasiquotes-syntax-error-position.scala:11: error: case classes without a parameter list are not allowed; +use either case objects or case classes with an explicit `()' as a parameter list. + q"case class A" + ^ +quasiquotes-syntax-error-position.scala:12: error: identifier expected but ']' found. + tq"$t => $t $t]" + ^ +quasiquotes-syntax-error-position.scala:13: error: end of quote expected but 'case' found. + cq"pattern => body ; case pattern2 =>" + ^ +quasiquotes-syntax-error-position.scala:14: error: ')' expected but end of quote found. + pq"$a(bar" + ^ +quasiquotes-syntax-error-position.scala:15: error: ':' expected but ')' found. + q"def foo(x)" + ^ +quasiquotes-syntax-error-position.scala:16: error: illegal start of simple expression + q"$a(])" + ^ +quasiquotes-syntax-error-position.scala:17: error: in XML literal: '>' expected instead of '$' + q"foo bar <xml$a>" + ^ +quasiquotes-syntax-error-position.scala:19: error: ';' expected but '<:' found. + q"val $x: $x <: $x" + ^ +quasiquotes-syntax-error-position.scala:20: error: '=' expected but '.' found. + q"def f ( $x ) . $x" + ^ +15 errors found diff --git a/tests/untried/neg/quasiquotes-syntax-error-position.scala b/tests/untried/neg/quasiquotes-syntax-error-position.scala new file mode 100644 index 000000000..823fe9a55 --- /dev/null +++ b/tests/untried/neg/quasiquotes-syntax-error-position.scala @@ -0,0 +1,21 @@ +import scala.reflect.runtime.universe._ +object test extends App { + val a = TermName("a") + val t = TypeName("t") + q"def $a f" + q"$a(" + q"class $t { def foo = $a" + q"import $t $t" + q"package p" + q"foo@$a" + q"case class A" + tq"$t => $t $t]" + cq"pattern => body ; case pattern2 =>" + pq"$a(bar" + q"def foo(x)" + q"$a(])" + q"foo bar <xml$a>" + val x = q"x" + q"val $x: $x <: $x" + q"def f ( $x ) . $x" +} diff --git a/tests/untried/neg/quasiquotes-unliftable-not-found.check b/tests/untried/neg/quasiquotes-unliftable-not-found.check new file mode 100644 index 000000000..5594aa1b1 --- /dev/null +++ b/tests/untried/neg/quasiquotes-unliftable-not-found.check @@ -0,0 +1,4 @@ +quasiquotes-unliftable-not-found.scala:4: error: Can't find reflect.runtime.universe.Unliftable[Test.C], consider providing it + val q"${c: C}" = q"()" + ^ +one error found diff --git a/tests/untried/neg/quasiquotes-unliftable-not-found.scala b/tests/untried/neg/quasiquotes-unliftable-not-found.scala new file mode 100644 index 000000000..b2a1ccb47 --- /dev/null +++ b/tests/untried/neg/quasiquotes-unliftable-not-found.scala @@ -0,0 +1,5 @@ +object Test extends App { + import scala.reflect.runtime.universe._ + class C + val q"${c: C}" = q"()" +} diff --git a/tests/untried/neg/raw-types-stubs.check b/tests/untried/neg/raw-types-stubs.check new file mode 100644 index 000000000..f1b26a23b --- /dev/null +++ b/tests/untried/neg/raw-types-stubs.check @@ -0,0 +1,11 @@ +S_3.scala:1: error: class Sub needs to be abstract, since: +it has 2 unimplemented members. +/** As seen from class Sub, the missing signatures are as follows. + * For convenience, these are usable as stub implementations. + */ + def raw(x$1: M_1[_ <: String]): Unit = ??? + def raw(x$1: Any): Unit = ??? + +class Sub extends Raw_2 { } + ^ +one error found diff --git a/tests/untried/neg/raw-types-stubs/M_1.java b/tests/untried/neg/raw-types-stubs/M_1.java new file mode 100644 index 000000000..6ea0d2e59 --- /dev/null +++ b/tests/untried/neg/raw-types-stubs/M_1.java @@ -0,0 +1,3 @@ +public class M_1<K extends String> { } + + diff --git a/tests/untried/neg/raw-types-stubs/Raw_2.java b/tests/untried/neg/raw-types-stubs/Raw_2.java new file mode 100644 index 000000000..eff7df790 --- /dev/null +++ b/tests/untried/neg/raw-types-stubs/Raw_2.java @@ -0,0 +1,4 @@ +public abstract class Raw_2 { + public abstract void raw(Object list); + public abstract void raw(M_1 list); +} diff --git a/tests/untried/neg/raw-types-stubs/S_3.scala b/tests/untried/neg/raw-types-stubs/S_3.scala new file mode 100644 index 000000000..618eedc88 --- /dev/null +++ b/tests/untried/neg/raw-types-stubs/S_3.scala @@ -0,0 +1 @@ +class Sub extends Raw_2 { } diff --git a/tests/untried/neg/reassignment.check b/tests/untried/neg/reassignment.check new file mode 100644 index 000000000..f0effd145 --- /dev/null +++ b/tests/untried/neg/reassignment.check @@ -0,0 +1,13 @@ +reassignment.scala:2: error: not found: value x + x = 5 + ^ +reassignment.scala:3: error: not found: value y + y := 45 + ^ +reassignment.scala:4: error: not found: value y + y += 45 + ^ +reassignment.scala:6: error: reassignment to val + z = 51 + ^ +four errors found diff --git a/tests/untried/neg/reassignment.scala b/tests/untried/neg/reassignment.scala new file mode 100644 index 000000000..afb354200 --- /dev/null +++ b/tests/untried/neg/reassignment.scala @@ -0,0 +1,7 @@ +class A { + x = 5 + y := 45 + y += 45 + val z = 50 + z = 51 +} diff --git a/tests/untried/neg/reflection-names-neg.check b/tests/untried/neg/reflection-names-neg.check new file mode 100644 index 000000000..f941ec8dc --- /dev/null +++ b/tests/untried/neg/reflection-names-neg.check @@ -0,0 +1,13 @@ +reflection-names-neg.scala:5: error: type mismatch; + found : String("abc") + required: reflect.runtime.universe.Name +Note that implicit conversions are not applicable because they are ambiguous: + both method stringToTermName in trait Names of type (s: String)reflect.runtime.universe.TermName + and method stringToTypeName in trait Names of type (s: String)reflect.runtime.universe.TypeName + are possible conversion functions from String("abc") to reflect.runtime.universe.Name + val x2 = ("abc": Name) drop 1 // error + ^ +reflection-names-neg.scala:5: error: value drop is not a member of reflect.runtime.universe.Name + val x2 = ("abc": Name) drop 1 // error + ^ +two errors found diff --git a/tests/untried/neg/reflection-names-neg.scala b/tests/untried/neg/reflection-names-neg.scala new file mode 100644 index 000000000..7283d16db --- /dev/null +++ b/tests/untried/neg/reflection-names-neg.scala @@ -0,0 +1,6 @@ +import scala.reflect.runtime.universe._ + +object Test { + val x1 = "abc" drop 1 // "bc": String + val x2 = ("abc": Name) drop 1 // error +} diff --git a/tests/untried/neg/reify_ann2b.check b/tests/untried/neg/reify_ann2b.check new file mode 100644 index 000000000..d32bedaf8 --- /dev/null +++ b/tests/untried/neg/reify_ann2b.check @@ -0,0 +1,4 @@ +reify_ann2b.scala:9: error: inner classes cannot be classfile annotations + class ann(bar: String) extends annotation.ClassfileAnnotation + ^ +one error found diff --git a/tests/untried/neg/reify_ann2b.scala b/tests/untried/neg/reify_ann2b.scala new file mode 100644 index 000000000..974d5daf5 --- /dev/null +++ b/tests/untried/neg/reify_ann2b.scala @@ -0,0 +1,28 @@ +import scala.reflect.runtime.universe._ +import scala.reflect.runtime.{universe => ru} +import scala.reflect.runtime.{currentMirror => cm} +import scala.tools.reflect.ToolBox + +object Test extends App { + // test 1: reify + val tree = reify{ + class ann(bar: String) extends annotation.ClassfileAnnotation + + @ann(bar="1a") @ann(bar="1b") class C[@ann(bar="2a") @ann(bar="2b") T](@ann(bar="3a") @ann(bar="3b") x: T @ann(bar="4a") @ann(bar="4b")) { + @ann(bar="5a") @ann(bar="5b") def f(x: Int @ann(bar="6a") @ann(bar="6b")) = { + @ann(bar="7a") @ann(bar="7b") val r = (x + 3): @ann(bar="8a") @ann(bar="8b") + val s = 4: Int @ann(bar="9a") @ann(bar="9b") + r + s + } + } + }.tree + println(tree.toString) + + // test 2: import and typecheck + val toolbox = cm.mkToolBox() + val ttree = toolbox.typeCheck(tree) + println(ttree.toString) + + // test 3: import and compile + toolbox.eval(tree) +} diff --git a/tests/untried/neg/reify_metalevel_breach_+0_refers_to_1.check b/tests/untried/neg/reify_metalevel_breach_+0_refers_to_1.check new file mode 100644 index 000000000..75b7555b0 --- /dev/null +++ b/tests/untried/neg/reify_metalevel_breach_+0_refers_to_1.check @@ -0,0 +1,7 @@ +reify_metalevel_breach_+0_refers_to_1.scala:10: error: the splice cannot be resolved statically, which means there is a cross-stage evaluation involved. +cross-stage evaluations need to be invoked explicitly, so we're showing you this error. +if you're sure this is not an oversight, add scala-compiler.jar to the classpath, +import `scala.tools.reflect.Eval` and call `<your expr>.eval` instead. + inner.splice + ^ +one error found diff --git a/tests/untried/neg/reify_metalevel_breach_+0_refers_to_1.scala b/tests/untried/neg/reify_metalevel_breach_+0_refers_to_1.scala new file mode 100644 index 000000000..409a03e23 --- /dev/null +++ b/tests/untried/neg/reify_metalevel_breach_+0_refers_to_1.scala @@ -0,0 +1,16 @@ +import scala.reflect.runtime.universe._ +import scala.reflect.runtime.{universe => ru} +import scala.reflect.runtime.{currentMirror => cm} +import scala.tools.reflect.ToolBox + +object Test extends App { + val code = reify{ + val x = 2 + val inner = reify{x} + inner.splice + }; + + val toolbox = cm.mkToolBox() + val evaluated = toolbox.eval(code.tree) + println("evaluated = " + evaluated) +} diff --git a/tests/untried/neg/reify_metalevel_breach_-1_refers_to_0_a.check b/tests/untried/neg/reify_metalevel_breach_-1_refers_to_0_a.check new file mode 100644 index 000000000..ca5556db0 --- /dev/null +++ b/tests/untried/neg/reify_metalevel_breach_-1_refers_to_0_a.check @@ -0,0 +1,7 @@ +reify_metalevel_breach_-1_refers_to_0_a.scala:9: error: the splice cannot be resolved statically, which means there is a cross-stage evaluation involved. +cross-stage evaluations need to be invoked explicitly, so we're showing you this error. +if you're sure this is not an oversight, add scala-compiler.jar to the classpath, +import `scala.tools.reflect.Eval` and call `<your expr>.eval` instead. + val code = reify{outer.splice.splice} + ^ +one error found diff --git a/tests/untried/neg/reify_metalevel_breach_-1_refers_to_0_a.scala b/tests/untried/neg/reify_metalevel_breach_-1_refers_to_0_a.scala new file mode 100644 index 000000000..297db6b72 --- /dev/null +++ b/tests/untried/neg/reify_metalevel_breach_-1_refers_to_0_a.scala @@ -0,0 +1,14 @@ +import scala.reflect.runtime.universe._ +import scala.reflect.runtime.{universe => ru} +import scala.reflect.runtime.{currentMirror => cm} +import scala.tools.reflect.ToolBox + +object Test extends App { + val x = 2 + val outer = reify{reify{x}} + val code = reify{outer.splice.splice} + + val toolbox = cm.mkToolBox() + val evaluated = toolbox.eval(code.tree) + println("evaluated = " + evaluated) +} diff --git a/tests/untried/neg/reify_metalevel_breach_-1_refers_to_0_b.check b/tests/untried/neg/reify_metalevel_breach_-1_refers_to_0_b.check new file mode 100644 index 000000000..e34cb1ac1 --- /dev/null +++ b/tests/untried/neg/reify_metalevel_breach_-1_refers_to_0_b.check @@ -0,0 +1,7 @@ +reify_metalevel_breach_-1_refers_to_0_b.scala:12: error: the splice cannot be resolved statically, which means there is a cross-stage evaluation involved. +cross-stage evaluations need to be invoked explicitly, so we're showing you this error. +if you're sure this is not an oversight, add scala-compiler.jar to the classpath, +import `scala.tools.reflect.Eval` and call `<your expr>.eval` instead. + }.splice + ^ +one error found diff --git a/tests/untried/neg/reify_metalevel_breach_-1_refers_to_0_b.scala b/tests/untried/neg/reify_metalevel_breach_-1_refers_to_0_b.scala new file mode 100644 index 000000000..aab0778f6 --- /dev/null +++ b/tests/untried/neg/reify_metalevel_breach_-1_refers_to_0_b.scala @@ -0,0 +1,18 @@ +import scala.reflect.runtime.universe._ +import scala.reflect.runtime.{universe => ru} +import scala.reflect.runtime.{currentMirror => cm} +import scala.tools.reflect.ToolBox + +object Test extends App { + val x = 2 + val code = reify{ + { + val inner = reify{reify{x}} + inner.splice + }.splice + } + + val toolbox = cm.mkToolBox() + val evaluated = toolbox.eval(code.tree) + println("evaluated = " + evaluated) +} diff --git a/tests/untried/neg/reify_metalevel_breach_-1_refers_to_1.check b/tests/untried/neg/reify_metalevel_breach_-1_refers_to_1.check new file mode 100644 index 000000000..90b0e8dac --- /dev/null +++ b/tests/untried/neg/reify_metalevel_breach_-1_refers_to_1.check @@ -0,0 +1,7 @@ +reify_metalevel_breach_-1_refers_to_1.scala:10: error: the splice cannot be resolved statically, which means there is a cross-stage evaluation involved. +cross-stage evaluations need to be invoked explicitly, so we're showing you this error. +if you're sure this is not an oversight, add scala-compiler.jar to the classpath, +import `scala.tools.reflect.Eval` and call `<your expr>.eval` instead. + inner.splice.splice + ^ +one error found diff --git a/tests/untried/neg/reify_metalevel_breach_-1_refers_to_1.scala b/tests/untried/neg/reify_metalevel_breach_-1_refers_to_1.scala new file mode 100644 index 000000000..806caf5c6 --- /dev/null +++ b/tests/untried/neg/reify_metalevel_breach_-1_refers_to_1.scala @@ -0,0 +1,16 @@ +import scala.reflect.runtime.universe._ +import scala.reflect.runtime.{universe => ru} +import scala.reflect.runtime.{currentMirror => cm} +import scala.tools.reflect.ToolBox + +object Test extends App { + val code = reify{ + val x = 2 + val inner = reify{reify{x}} + inner.splice.splice + }; + + val toolbox = cm.mkToolBox() + val evaluated = toolbox.eval(code.tree) + println("evaluated = " + evaluated) +} diff --git a/tests/untried/neg/reify_nested_inner_refers_to_local.check b/tests/untried/neg/reify_nested_inner_refers_to_local.check new file mode 100644 index 000000000..68689b18d --- /dev/null +++ b/tests/untried/neg/reify_nested_inner_refers_to_local.check @@ -0,0 +1,7 @@ +reify_nested_inner_refers_to_local.scala:9: error: the splice cannot be resolved statically, which means there is a cross-stage evaluation involved. +cross-stage evaluations need to be invoked explicitly, so we're showing you this error. +if you're sure this is not an oversight, add scala-compiler.jar to the classpath, +import `scala.tools.reflect.Eval` and call `<your expr>.eval` instead. + reify{x}.splice + ^ +one error found diff --git a/tests/untried/neg/reify_nested_inner_refers_to_local.scala b/tests/untried/neg/reify_nested_inner_refers_to_local.scala new file mode 100644 index 000000000..526aba723 --- /dev/null +++ b/tests/untried/neg/reify_nested_inner_refers_to_local.scala @@ -0,0 +1,15 @@ +import scala.reflect.runtime.universe._ +import scala.reflect.runtime.{universe => ru} +import scala.reflect.runtime.{currentMirror => cm} +import scala.tools.reflect.ToolBox + +object Test extends App { + val code = reify{ + val x = 2 + reify{x}.splice + }; + + val toolbox = cm.mkToolBox() + val evaluated = toolbox.eval(code.tree) + println("evaluated = " + evaluated) +} diff --git a/tests/untried/neg/run-gadts-strict.check b/tests/untried/neg/run-gadts-strict.check new file mode 100644 index 000000000..b4d36c462 --- /dev/null +++ b/tests/untried/neg/run-gadts-strict.check @@ -0,0 +1,21 @@ +run-gadts-strict.scala:12: error: type mismatch; + found : n.type (with underlying type Int) + required: T + case Lit(n) => n + ^ +run-gadts-strict.scala:13: error: type mismatch; + found : Int + required: T + case Succ(u) => eval(u) + 1 + ^ +run-gadts-strict.scala:14: error: type mismatch; + found : Boolean + required: T + case IsZero(u) => eval(u) == 0 + ^ +run-gadts-strict.scala:15: error: type mismatch; + found : T(in class If) + required: T(in method eval) + case If(c, u1, u2) => eval(if (eval(c)) u1 else u2) + ^ +four errors found diff --git a/tests/untried/neg/run-gadts-strict.flags b/tests/untried/neg/run-gadts-strict.flags new file mode 100644 index 000000000..19243266d --- /dev/null +++ b/tests/untried/neg/run-gadts-strict.flags @@ -0,0 +1 @@ +-Xstrict-inference
\ No newline at end of file diff --git a/tests/untried/neg/run-gadts-strict.scala b/tests/untried/neg/run-gadts-strict.scala new file mode 100644 index 000000000..041d10d4b --- /dev/null +++ b/tests/untried/neg/run-gadts-strict.scala @@ -0,0 +1,18 @@ +// A copy of run/gadts.scala, which must fail under -Xstrict-inference. +abstract class Term[T] +case class Lit(x: Int) extends Term[Int] +case class Succ(t: Term[Int]) extends Term[Int] +case class IsZero(t: Term[Int]) extends Term[Boolean] +case class If[T](c: Term[Boolean], + t1: Term[T], + t2: Term[T]) extends Term[T] + +object Test extends App { + def eval[T](t: Term[T]): T = t match { + case Lit(n) => n + case Succ(u) => eval(u) + 1 + case IsZero(u) => eval(u) == 0 + case If(c, u1, u2) => eval(if (eval(c)) u1 else u2) + } + println(eval(If(IsZero(Lit(1)), Lit(41), Succ(Lit(41))))) +} diff --git a/tests/untried/neg/sabin2.check b/tests/untried/neg/sabin2.check new file mode 100644 index 000000000..8a0936106 --- /dev/null +++ b/tests/untried/neg/sabin2.check @@ -0,0 +1,6 @@ +sabin2.scala:22: error: type mismatch; + found : Test.Base#T + required: _7.T where val _7: Test.Base + a.set(b.get()) // Error + ^ +one error found diff --git a/tests/untried/neg/sabin2.scala b/tests/untried/neg/sabin2.scala new file mode 100644 index 000000000..24a4e511a --- /dev/null +++ b/tests/untried/neg/sabin2.scala @@ -0,0 +1,23 @@ +object Test extends App + { + abstract class Base { + type T + var x: T = _ + class Inner { + def set(y: T) = x = y + def get() = x + def print() = println("Hello world") + } + } + + object IntBase extends Base { type T = Int } + object StringBase extends Base { type T = String } + + val a : Base#Inner = new IntBase.Inner + val b : Base#Inner = new StringBase.Inner + + a.print() // OK + b.print() // OK + + a.set(b.get()) // Error + } diff --git a/tests/untried/neg/saferJavaConversions.check b/tests/untried/neg/saferJavaConversions.check new file mode 100644 index 000000000..0e53d2c43 --- /dev/null +++ b/tests/untried/neg/saferJavaConversions.check @@ -0,0 +1,6 @@ +saferJavaConversions.scala:13: error: type mismatch; + found : String("a") + required: Foo + val v = map.get("a") // now this is a type error + ^ +one error found diff --git a/tests/untried/neg/saferJavaConversions.scala b/tests/untried/neg/saferJavaConversions.scala new file mode 100644 index 000000000..f0611204e --- /dev/null +++ b/tests/untried/neg/saferJavaConversions.scala @@ -0,0 +1,20 @@ + +case class Foo(s: String) + +object Test { + def f1 = { + import scala.collection.JavaConversions._ + val map: Map[Foo, String] = Map(Foo("a") -> "a", Foo("b") -> "b") + val v = map.get("a") // should be a type error, actually returns null + } + def f2 = { + import scala.collection.convert.wrapAsScala._ + val map: Map[Foo, String] = Map(Foo("a") -> "a", Foo("b") -> "b") + val v = map.get("a") // now this is a type error + } + def f3 = { + import scala.collection.convert.wrapAsJava._ + val map: Map[Foo, String] = Map(Foo("a") -> "a", Foo("b") -> "b") + val v = map.get("a") + } +} diff --git a/tests/untried/neg/saito.check b/tests/untried/neg/saito.check new file mode 100644 index 000000000..061a45b76 --- /dev/null +++ b/tests/untried/neg/saito.check @@ -0,0 +1,4 @@ +saito.scala:10: error: class A cannot be instantiated because it does not conform to its self-type A with B + val a: A = new A; // should not be allowed + ^ +one error found diff --git a/tests/untried/neg/saito.scala b/tests/untried/neg/saito.scala new file mode 100644 index 000000000..b4fcd598e --- /dev/null +++ b/tests/untried/neg/saito.scala @@ -0,0 +1,14 @@ +class B {} +class A { self: B => + def m(): B = { + this + } +} + +object Exec{ + def main(args: Array[String]): Unit = { + val a: A = new A; // should not be allowed + val b: B = a.m(); + } +} + diff --git a/tests/untried/neg/sammy_restrictions.check b/tests/untried/neg/sammy_restrictions.check new file mode 100644 index 000000000..8cc49f9aa --- /dev/null +++ b/tests/untried/neg/sammy_restrictions.check @@ -0,0 +1,49 @@ +sammy_restrictions.scala:31: error: type mismatch; + found : () => Int + required: NoAbstract + (() => 0) : NoAbstract + ^ +sammy_restrictions.scala:32: error: type mismatch; + found : Int => Int + required: TwoAbstract + ((x: Int) => 0): TwoAbstract + ^ +sammy_restrictions.scala:34: error: class type required but DerivedOneAbstract with OneAbstract found + ((x: Int) => 0): NonClassType // "class type required". I think we should avoid SAM translation here. + ^ +sammy_restrictions.scala:35: error: type mismatch; + found : Int => Int + required: NoEmptyConstructor + ((x: Int) => 0): NoEmptyConstructor + ^ +sammy_restrictions.scala:37: error: type mismatch; + found : Int => Int + required: OneEmptySecondaryConstructor + ((x: Int) => 0): OneEmptySecondaryConstructor // derived class must have an empty *primary* to call. + ^ +sammy_restrictions.scala:38: error: type mismatch; + found : Int => Int + required: MultipleConstructorLists + ((x: Int) => 0): MultipleConstructorLists + ^ +sammy_restrictions.scala:39: error: type mismatch; + found : Int => Int + required: MultipleMethodLists + ((x: Int) => 0): MultipleMethodLists + ^ +sammy_restrictions.scala:40: error: type mismatch; + found : Int => Int + required: ImplicitConstructorParam + ((x: Int) => 0): ImplicitConstructorParam + ^ +sammy_restrictions.scala:41: error: type mismatch; + found : Int => Int + required: ImplicitMethodParam + ((x: Int) => 0): ImplicitMethodParam + ^ +sammy_restrictions.scala:44: error: type mismatch; + found : Int => Int + required: PolyMethod + ((x: Int) => 0): PolyMethod + ^ +10 errors found diff --git a/tests/untried/neg/sammy_restrictions.flags b/tests/untried/neg/sammy_restrictions.flags new file mode 100644 index 000000000..48fd86716 --- /dev/null +++ b/tests/untried/neg/sammy_restrictions.flags @@ -0,0 +1 @@ +-Xexperimental diff --git a/tests/untried/neg/sammy_restrictions.scala b/tests/untried/neg/sammy_restrictions.scala new file mode 100644 index 000000000..5f1a04cd2 --- /dev/null +++ b/tests/untried/neg/sammy_restrictions.scala @@ -0,0 +1,45 @@ +class NoAbstract + +class TwoAbstract { def ap(a: Int): Int; def pa(a: Int): Int } + +class Base // check that the super class constructor isn't considered. +class NoEmptyConstructor(a: Int) extends Base { def this(a: String) = this(0); def ap(a: Int): Int } + +class OneEmptyConstructor() { def this(a: Int) = this(); def ap(a: Int): Int } + +class OneEmptySecondaryConstructor(a: Int) { def this() = this(0); def ap(a: Int): Int } + +class MultipleConstructorLists()() { def ap(a: Int): Int } + +class MultipleMethodLists()() { def ap(a: Int)(): Int } + +class ImplicitConstructorParam()(implicit a: String) { def ap(a: Int): Int } + +class ImplicitMethodParam() { def ap(a: Int)(implicit b: String): Int } + +class PolyClass[T] { def ap(a: T): T } + +class PolyMethod { def ap[T](a: T): T } + +class OneAbstract { def ap(a: Any): Any } +class DerivedOneAbstract extends OneAbstract + +object Test { + implicit val s: String = "" + type NonClassType = DerivedOneAbstract with OneAbstract + + (() => 0) : NoAbstract + ((x: Int) => 0): TwoAbstract + ((x: Int) => 0): DerivedOneAbstract // okay + ((x: Int) => 0): NonClassType // "class type required". I think we should avoid SAM translation here. + ((x: Int) => 0): NoEmptyConstructor + ((x: Int) => 0): OneEmptyConstructor // okay + ((x: Int) => 0): OneEmptySecondaryConstructor // derived class must have an empty *primary* to call. + ((x: Int) => 0): MultipleConstructorLists + ((x: Int) => 0): MultipleMethodLists + ((x: Int) => 0): ImplicitConstructorParam + ((x: Int) => 0): ImplicitMethodParam + + ((x: Int) => 0): PolyClass[Int] // okay + ((x: Int) => 0): PolyMethod +} diff --git a/tests/untried/neg/sammy_wrong_arity.check b/tests/untried/neg/sammy_wrong_arity.check new file mode 100644 index 000000000..af547a201 --- /dev/null +++ b/tests/untried/neg/sammy_wrong_arity.check @@ -0,0 +1,52 @@ +sammy_wrong_arity.scala:6: error: type mismatch; + found : () => Int + required: T1 + (() => 0): T1 + ^ +sammy_wrong_arity.scala:7: error: type mismatch; + found : Any => Int + required: T2 + ((x: Any) => 0): T2 + ^ +sammy_wrong_arity.scala:9: error: type mismatch; + found : Any => Int + required: T0 + ((x: Any) => 0): T0 + ^ +sammy_wrong_arity.scala:10: error: type mismatch; + found : Any => Int + required: T2 + ((x: Any) => 0): T2 + ^ +sammy_wrong_arity.scala:12: error: type mismatch; + found : (Any, Any) => Int + required: T0 + ((x: Any, y: Any) => 0): T0 + ^ +sammy_wrong_arity.scala:13: error: type mismatch; + found : (Any, Any) => Int + required: T1 + ((x: Any, y: Any) => 0): T1 + ^ +sammy_wrong_arity.scala:15: error: missing parameter type + ((x) => 0): T2 + ^ +sammy_wrong_arity.scala:17: error: missing parameter type + ((x) => 0): T0 + ^ +sammy_wrong_arity.scala:18: error: missing parameter type + ((x) => 0): T2 + ^ +sammy_wrong_arity.scala:20: error: missing parameter type + ((x, y) => 0): T0 + ^ +sammy_wrong_arity.scala:20: error: missing parameter type + ((x, y) => 0): T0 + ^ +sammy_wrong_arity.scala:21: error: missing parameter type + ((x, y) => 0): T1 + ^ +sammy_wrong_arity.scala:21: error: missing parameter type + ((x, y) => 0): T1 + ^ +13 errors found diff --git a/tests/untried/neg/sammy_wrong_arity.flags b/tests/untried/neg/sammy_wrong_arity.flags new file mode 100644 index 000000000..48fd86716 --- /dev/null +++ b/tests/untried/neg/sammy_wrong_arity.flags @@ -0,0 +1 @@ +-Xexperimental diff --git a/tests/untried/neg/sammy_wrong_arity.scala b/tests/untried/neg/sammy_wrong_arity.scala new file mode 100644 index 000000000..d03d266a0 --- /dev/null +++ b/tests/untried/neg/sammy_wrong_arity.scala @@ -0,0 +1,22 @@ +trait T0 { def ap(): Int } +trait T1 { def ap(a: Any): Int } +trait T2 { def ap(a: Any, b: Any): Int } + +class Test { + (() => 0): T1 + ((x: Any) => 0): T2 + + ((x: Any) => 0): T0 + ((x: Any) => 0): T2 + + ((x: Any, y: Any) => 0): T0 + ((x: Any, y: Any) => 0): T1 + + ((x) => 0): T2 + + ((x) => 0): T0 + ((x) => 0): T2 + + ((x, y) => 0): T0 + ((x, y) => 0): T1 +} diff --git a/tests/untried/neg/scopes.check b/tests/untried/neg/scopes.check new file mode 100644 index 000000000..f8e8c3758 --- /dev/null +++ b/tests/untried/neg/scopes.check @@ -0,0 +1,26 @@ +scopes.scala:3: error: t is already defined as type t + type t = Float + ^ +scopes.scala:5: error: x is already defined as value x + val x: Float = .0f; + ^ +scopes.scala:8: error: y is already defined as value y + val y: Float = .0f + ^ +scopes.scala:6: warning: a pure expression does nothing in statement position; you may be omitting necessary parentheses + { + ^ +scopes.scala:11: error: x is already defined as value x + def f1(x: Int, x: Float) = x + ^ +scopes.scala:12: error: y is already defined as value y + def f2(x: Int)(y: Int, y: Float) = x + y + ^ +scopes.scala:13: error: x is already defined as value x + val closure = (x: Int, x: Float) => x + ^ +scopes.scala:15: error: x is already defined as value x + case x::x => x + ^ +one warning found +7 errors found diff --git a/tests/untried/neg/scopes.scala b/tests/untried/neg/scopes.scala new file mode 100644 index 000000000..660e82661 --- /dev/null +++ b/tests/untried/neg/scopes.scala @@ -0,0 +1,18 @@ +object test1 { + type t = Int + type t = Float + val x: Int = 0 + val x: Float = .0f; + { + val y: Int = 0 + val y: Float = .0f + () + } + def f1(x: Int, x: Float) = x + def f2(x: Int)(y: Int, y: Float) = x + y + val closure = (x: Int, x: Float) => x + List() match { + case x::x => x + case Nil => Nil + } +} diff --git a/tests/untried/neg/sealed-final-neg.check b/tests/untried/neg/sealed-final-neg.check new file mode 100644 index 000000000..500d23f49 --- /dev/null +++ b/tests/untried/neg/sealed-final-neg.check @@ -0,0 +1,4 @@ +sealed-final-neg.scala:41: error: expected class or object definition +"Due to SI-6142 this emits no warnings, so we'll just break it until that's fixed." +^ +one error found diff --git a/tests/untried/neg/sealed-final-neg.flags b/tests/untried/neg/sealed-final-neg.flags new file mode 100644 index 000000000..cfabf7a5b --- /dev/null +++ b/tests/untried/neg/sealed-final-neg.flags @@ -0,0 +1 @@ +-Xfatal-warnings -Yinline-warnings -optimise
\ No newline at end of file diff --git a/tests/untried/neg/sealed-final-neg.scala b/tests/untried/neg/sealed-final-neg.scala new file mode 100644 index 000000000..bc25330e1 --- /dev/null +++ b/tests/untried/neg/sealed-final-neg.scala @@ -0,0 +1,41 @@ +package neg1 { + sealed abstract class Foo { + @inline def bar(x: Int) = x + 1 + } + object Foo { + def mkFoo(): Foo = new Baz2 + } + + object Baz1 extends Foo + final class Baz2 extends Foo + final class Baz3 extends Foo { + override def bar(x: Int) = x - 1 + } + + object Test { + // bar can't be inlined - it is overridden in Baz3 + def f = Foo.mkFoo() bar 10 + } +} + +package neg2 { + sealed abstract class Foo { + @inline def bar(x: Int) = x + 1 + } + object Foo { + def mkFoo(): Foo = new Baz2 + } + + object Baz1 extends Foo + final class Baz2 extends Foo + class Baz3 extends Foo { + override def bar(x: Int) = x - 1 + } + + object Test { + // bar can't be inlined - Baz3 is not final + def f = Foo.mkFoo() bar 10 + } +} + +"Due to SI-6142 this emits no warnings, so we'll just break it until that's fixed." diff --git a/tests/untried/neg/sealed-java-enums.check b/tests/untried/neg/sealed-java-enums.check new file mode 100644 index 000000000..a3c39ec5c --- /dev/null +++ b/tests/untried/neg/sealed-java-enums.check @@ -0,0 +1,7 @@ +sealed-java-enums.scala:5: warning: match may not be exhaustive. +It would fail on the following inputs: BLOCKED, TERMINATED, TIMED_WAITING + def f(state: State) = state match { + ^ +error: No warnings can be incurred under -Xfatal-warnings. +one warning found +one error found diff --git a/tests/untried/neg/sealed-java-enums.flags b/tests/untried/neg/sealed-java-enums.flags new file mode 100644 index 000000000..e709c6591 --- /dev/null +++ b/tests/untried/neg/sealed-java-enums.flags @@ -0,0 +1 @@ +-Xexperimental -Xfatal-warnings diff --git a/tests/untried/neg/sealed-java-enums.scala b/tests/untried/neg/sealed-java-enums.scala new file mode 100644 index 000000000..2daf93f30 --- /dev/null +++ b/tests/untried/neg/sealed-java-enums.scala @@ -0,0 +1,10 @@ +import java.lang.Thread.State +import java.lang.Thread.State._ + +object Test { + def f(state: State) = state match { + case NEW | WAITING => true + case RUNNABLE => false + // and I forget the rest + } +} diff --git a/tests/untried/neg/sensitive.check b/tests/untried/neg/sensitive.check new file mode 100644 index 000000000..32d988ec9 --- /dev/null +++ b/tests/untried/neg/sensitive.check @@ -0,0 +1,4 @@ +sensitive.scala:17: error: constructor Sensitive in class Sensitive cannot be accessed in object Attacker + val y = new Sensitive() + ^ +one error found diff --git a/tests/untried/neg/sensitive.scala b/tests/untried/neg/sensitive.scala new file mode 100644 index 000000000..a084a0a8c --- /dev/null +++ b/tests/untried/neg/sensitive.scala @@ -0,0 +1,18 @@ +class Certificate{} + +object Admin extends Certificate; + +class SecurityViolationException extends Exception + +object Sensitive { + def makeSensitive(credentials: Certificate): Sensitive = + if (credentials == Admin) new Sensitive() + else throw new SecurityViolationException +} +class Sensitive private () { +} + +object Attacker { + val x = Sensitive.makeSensitive(null) + val y = new Sensitive() +} diff --git a/tests/untried/neg/sensitive2.check b/tests/untried/neg/sensitive2.check new file mode 100644 index 000000000..19152fe18 --- /dev/null +++ b/tests/untried/neg/sensitive2.check @@ -0,0 +1,10 @@ +sensitive2.scala:6: error: type mismatch; + found : String("abc") + required: Test.Foo[_] +Note that implicit conversions are not applicable because they are ambiguous: + both method foo1 in object Test of type [A](a: A)Test.Foo[A] + and method foo2 in object Test of type (a: Any)Test.Foo[String] + are possible conversion functions from String("abc") to Test.Foo[_] + val a: Foo[_] = "abc" + ^ +one error found diff --git a/tests/untried/neg/sensitive2.scala b/tests/untried/neg/sensitive2.scala new file mode 100644 index 000000000..e0cf515bd --- /dev/null +++ b/tests/untried/neg/sensitive2.scala @@ -0,0 +1,8 @@ +object Test { + class Foo[A](z: A) + implicit def foo1[A](a: A): Foo[A] = new Foo(a) + implicit def foo2(a: Any): Foo[String] = new Foo("123") + + val a: Foo[_] = "abc" + +} diff --git a/tests/untried/neg/serialversionuid-not-const.check b/tests/untried/neg/serialversionuid-not-const.check new file mode 100644 index 000000000..9c383d97a --- /dev/null +++ b/tests/untried/neg/serialversionuid-not-const.check @@ -0,0 +1,10 @@ +serialversionuid-not-const.scala:1: error: annotation argument needs to be a constant; found: 13L.toLong +@SerialVersionUID(13l.toLong) class C1 extends Serializable + ^ +serialversionuid-not-const.scala:3: error: annotation argument needs to be a constant; found: 13.asInstanceOf[Long] +@SerialVersionUID(13.asInstanceOf[Long]) class C3 extends Serializable + ^ +serialversionuid-not-const.scala:4: error: annotation argument needs to be a constant; found: Test.bippy +@SerialVersionUID(Test.bippy) class C4 extends Serializable + ^ +three errors found diff --git a/tests/untried/neg/serialversionuid-not-const.scala b/tests/untried/neg/serialversionuid-not-const.scala new file mode 100644 index 000000000..f0e3ef4e7 --- /dev/null +++ b/tests/untried/neg/serialversionuid-not-const.scala @@ -0,0 +1,16 @@ +@SerialVersionUID(13l.toLong) class C1 extends Serializable +@SerialVersionUID(13l) class C2 extends Serializable +@SerialVersionUID(13.asInstanceOf[Long]) class C3 extends Serializable +@SerialVersionUID(Test.bippy) class C4 extends Serializable + +object Test { + val bippy = 13L + + def show(c: Class[_]) = println(java.io.ObjectStreamClass.lookup(c).getSerialVersionUID) + def main(args: Array[String]): Unit = { + show(classOf[C1]) + show(classOf[C2]) + show(classOf[C3]) + show(classOf[C4]) + } +} diff --git a/tests/untried/neg/spec-overrides.check b/tests/untried/neg/spec-overrides.check new file mode 100644 index 000000000..639186af4 --- /dev/null +++ b/tests/untried/neg/spec-overrides.check @@ -0,0 +1,7 @@ +spec-overrides.scala:8: error: Type parameter has to be specialized at least for the same types as in the overridden method. Missing types: Int + override def a[@specialized(Double) T](t: T): List[T] = Nil + ^ +spec-overrides.scala:12: error: Type parameter has to be specialized at least for the same types as in the overridden method. Missing types: Int + override def a[T](t: T): List[T] = Nil + ^ +two errors found diff --git a/tests/untried/neg/spec-overrides.scala b/tests/untried/neg/spec-overrides.scala new file mode 100644 index 000000000..713ce27bd --- /dev/null +++ b/tests/untried/neg/spec-overrides.scala @@ -0,0 +1,26 @@ +class P { + def a[@specialized(Int) T](t: T): List[T] = List(t) +} +class FX extends P { + override def a[@specialized(Int) T](t: T): List[T] = Nil +} +class FX1 extends P { + override def a[@specialized(Double) T](t: T): List[T] = Nil +} + +class FX2 extends P { + override def a[T](t: T): List[T] = Nil +} + +object Test extends App { + val fx = new FX + val p = new P + + println(fx.a(3)) + println((fx: P).a(3)) + println((fx: P).a(3.0)) + + + // val d = new Derived[Int] + // println((d: Base[Int]).m(10)) +} diff --git a/tests/untried/neg/specification-scopes.check b/tests/untried/neg/specification-scopes.check new file mode 100644 index 000000000..ab986135e --- /dev/null +++ b/tests/untried/neg/specification-scopes.check @@ -0,0 +1,12 @@ +P_2.scala:14: error: reference to x is ambiguous; +it is both defined in object C and imported subsequently by +import Q.X._ + println("L14: "+x) // reference to 'x' is ambiguous here + ^ +P_2.scala:19: error: reference to y is ambiguous; +it is imported twice in the same scope by +import P.X._ +and import X.y + println("L19: "+y) // reference to 'y' is ambiguous here + ^ +two errors found diff --git a/tests/untried/neg/specification-scopes/P_1.scala b/tests/untried/neg/specification-scopes/P_1.scala new file mode 100644 index 000000000..3b11f1167 --- /dev/null +++ b/tests/untried/neg/specification-scopes/P_1.scala @@ -0,0 +1,6 @@ +package P { + object X { val x = 1; val y = 2; } +} +package Q { + object X { val x = true; val y = "" } +} diff --git a/tests/untried/neg/specification-scopes/P_2.scala b/tests/untried/neg/specification-scopes/P_2.scala new file mode 100644 index 000000000..d59f82e90 --- /dev/null +++ b/tests/untried/neg/specification-scopes/P_2.scala @@ -0,0 +1,21 @@ +package P { // 'X' bound by package clause + import Console._ // 'println' bound by wildcard import + object A { + println("L4: "+X) // 'X' refers to 'P.X' here + object B { + import Q._ // 'X' bound by wildcard import + println("L7: "+X) // 'X' refers to 'Q.X' here + import X._ // 'x' and 'y' bound by wildcard import + println("L8: "+x) // 'x' refers to 'Q.X.x' here + object C { + val x = 3 // 'x' bound by local definition + println("L12: "+x); // 'x' refers to constant '3' here + { import Q.X._ // 'x' and 'y' bound by wildcard + println("L14: "+x) // reference to 'x' is ambiguous here + import X.y // 'y' bound by explicit import + println("L16: "+y); // 'y' refers to 'Q.X.y' here + { val x = "abc" // 'x' bound by local definition + import P.X._ // 'x' and 'y' bound by wildcard + println("L19: "+y) // reference to 'y' is ambiguous here + println("L20: "+x) // 'x' refers to string ''abc'' here +}}}}}} diff --git a/tests/untried/neg/stmt-expr-discard.check b/tests/untried/neg/stmt-expr-discard.check new file mode 100644 index 000000000..1207e6da5 --- /dev/null +++ b/tests/untried/neg/stmt-expr-discard.check @@ -0,0 +1,9 @@ +stmt-expr-discard.scala:3: warning: a pure expression does nothing in statement position; you may be omitting necessary parentheses + + 2 + ^ +stmt-expr-discard.scala:4: warning: a pure expression does nothing in statement position; you may be omitting necessary parentheses + - 4 + ^ +error: No warnings can be incurred under -Xfatal-warnings. +two warnings found +one error found diff --git a/tests/untried/neg/stmt-expr-discard.flags b/tests/untried/neg/stmt-expr-discard.flags new file mode 100644 index 000000000..e8fb65d50 --- /dev/null +++ b/tests/untried/neg/stmt-expr-discard.flags @@ -0,0 +1 @@ +-Xfatal-warnings
\ No newline at end of file diff --git a/tests/untried/neg/stmt-expr-discard.scala b/tests/untried/neg/stmt-expr-discard.scala new file mode 100644 index 000000000..e60c85462 --- /dev/null +++ b/tests/untried/neg/stmt-expr-discard.scala @@ -0,0 +1,5 @@ +class A { + def f = 1 + + 2 + - 4 +} diff --git a/tests/untried/neg/stringinterpolation_macro-neg.check b/tests/untried/neg/stringinterpolation_macro-neg.check new file mode 100644 index 000000000..703846ad6 --- /dev/null +++ b/tests/untried/neg/stringinterpolation_macro-neg.check @@ -0,0 +1,172 @@ +stringinterpolation_macro-neg.scala:13: error: there are no parts + new StringContext().f() + ^ +stringinterpolation_macro-neg.scala:14: error: too few arguments for interpolated string + new StringContext("", " is ", "%2d years old").f(s) + ^ +stringinterpolation_macro-neg.scala:15: error: too many arguments for interpolated string + new StringContext("", " is ", "%2d years old").f(s, d, d) + ^ +stringinterpolation_macro-neg.scala:16: error: too few arguments for interpolated string + new StringContext("", "").f() + ^ +stringinterpolation_macro-neg.scala:19: error: type mismatch; + found : String + required: Boolean + f"$s%b" + ^ +stringinterpolation_macro-neg.scala:20: error: type mismatch; + found : String + required: Char + f"$s%c" + ^ +stringinterpolation_macro-neg.scala:21: error: type mismatch; + found : Double + required: Char + f"$f%c" + ^ +stringinterpolation_macro-neg.scala:22: error: type mismatch; + found : String + required: Int + f"$s%x" + ^ +stringinterpolation_macro-neg.scala:23: error: type mismatch; + found : Boolean + required: Int + f"$b%d" + ^ +stringinterpolation_macro-neg.scala:24: error: type mismatch; + found : String + required: Int + f"$s%d" + ^ +stringinterpolation_macro-neg.scala:25: error: type mismatch; + found : Double + required: Int + f"$f%o" + ^ +stringinterpolation_macro-neg.scala:26: error: type mismatch; + found : String + required: Double + f"$s%e" + ^ +stringinterpolation_macro-neg.scala:27: error: type mismatch; + found : Boolean + required: Double + f"$b%f" + ^ +stringinterpolation_macro-neg.scala:32: error: type mismatch; + found : String + required: Int +Note that implicit conversions are not applicable because they are ambiguous: + both value strToInt2 of type String => Int + and value strToInt1 of type String => Int + are possible conversion functions from String to Int + f"$s%d" + ^ +stringinterpolation_macro-neg.scala:35: error: illegal conversion character 'i' + f"$s%i" + ^ +stringinterpolation_macro-neg.scala:38: error: Illegal flag '+' + f"$s%+ 0,(s" + ^ +stringinterpolation_macro-neg.scala:38: error: Illegal flag ' ' + f"$s%+ 0,(s" + ^ +stringinterpolation_macro-neg.scala:38: error: Illegal flag '0' + f"$s%+ 0,(s" + ^ +stringinterpolation_macro-neg.scala:38: error: Illegal flag ',' + f"$s%+ 0,(s" + ^ +stringinterpolation_macro-neg.scala:38: error: Illegal flag '(' + f"$s%+ 0,(s" + ^ +stringinterpolation_macro-neg.scala:39: error: Only '-' allowed for c conversion + f"$c%#+ 0,(c" + ^ +stringinterpolation_macro-neg.scala:40: error: # not allowed for d conversion + f"$d%#d" + ^ +stringinterpolation_macro-neg.scala:41: error: ',' only allowed for d conversion of integral types + f"$d%,x" + ^ +stringinterpolation_macro-neg.scala:42: error: only use '+' for BigInt conversions to o, x, X + f"$d%+ (x" + ^ +stringinterpolation_macro-neg.scala:42: error: only use ' ' for BigInt conversions to o, x, X + f"$d%+ (x" + ^ +stringinterpolation_macro-neg.scala:42: error: only use '(' for BigInt conversions to o, x, X + f"$d%+ (x" + ^ +stringinterpolation_macro-neg.scala:43: error: ',' not allowed for a, A + f"$f%,(a" + ^ +stringinterpolation_macro-neg.scala:43: error: '(' not allowed for a, A + f"$f%,(a" + ^ +stringinterpolation_macro-neg.scala:44: error: Only '-' allowed for date/time conversions + f"$t%#+ 0,(tT" + ^ +stringinterpolation_macro-neg.scala:47: error: precision not allowed + f"$c%.2c" + ^ +stringinterpolation_macro-neg.scala:48: error: precision not allowed + f"$d%.2d" + ^ +stringinterpolation_macro-neg.scala:49: error: precision not allowed + f"%.2%" + ^ +stringinterpolation_macro-neg.scala:50: error: precision not allowed + f"%.2n" + ^ +stringinterpolation_macro-neg.scala:51: error: precision not allowed + f"$f%.2a" + ^ +stringinterpolation_macro-neg.scala:52: error: precision not allowed + f"$t%.2tT" + ^ +stringinterpolation_macro-neg.scala:55: error: No last arg + f"%<s" + ^ +stringinterpolation_macro-neg.scala:56: error: No last arg + f"%<c" + ^ +stringinterpolation_macro-neg.scala:57: error: No last arg + f"%<tT" + ^ +stringinterpolation_macro-neg.scala:58: error: Argument index out of range + f"${8}%d ${9}%d%3$$d" + ^ +stringinterpolation_macro-neg.scala:59: error: Argument index out of range + f"${8}%d ${9}%d%0$$d" + ^ +stringinterpolation_macro-neg.scala:62: warning: Index is not this arg + f"${8}%d ${9}%1$$d" + ^ +stringinterpolation_macro-neg.scala:63: warning: Argument index ignored if '<' flag is present + f"$s%s $s%s %1$$<s" + ^ +stringinterpolation_macro-neg.scala:64: warning: Index is not this arg + f"$s%s $s%1$$s" + ^ +stringinterpolation_macro-neg.scala:67: error: type mismatch; + found : String + required: java.util.Formattable + f"$s%#s" + ^ +stringinterpolation_macro-neg.scala:70: error: 'G' doesn't seem to be a date or time conversion + f"$t%tG" + ^ +stringinterpolation_macro-neg.scala:71: error: Date/time conversion must have two characters + f"$t%t" + ^ +stringinterpolation_macro-neg.scala:72: error: Missing conversion operator in '%10.5'; use %% for literal %, %n for newline + f"$s%10.5" + ^ +stringinterpolation_macro-neg.scala:75: error: conversions must follow a splice; use %% for literal %, %n for newline + f"${d}random-leading-junk%d" + ^ +three warnings found +45 errors found diff --git a/tests/untried/neg/stringinterpolation_macro-neg.scala b/tests/untried/neg/stringinterpolation_macro-neg.scala new file mode 100644 index 000000000..3869d42d6 --- /dev/null +++ b/tests/untried/neg/stringinterpolation_macro-neg.scala @@ -0,0 +1,76 @@ +object Test extends App { + val s = "Scala" + val d = 8 + val b = false + val f = 3.14159 + val c = 'c' + val t = new java.util.Date + val x = new java.util.Formattable { + def formatTo(ff: java.util.Formatter, g: Int, w: Int, p: Int): Unit = ff format "xxx" + } + + // 1) number of arguments + new StringContext().f() + new StringContext("", " is ", "%2d years old").f(s) + new StringContext("", " is ", "%2d years old").f(s, d, d) + new StringContext("", "").f() + + // 2) Interpolation mismatches + f"$s%b" + f"$s%c" + f"$f%c" + f"$s%x" + f"$b%d" + f"$s%d" + f"$f%o" + f"$s%e" + f"$b%f" + + { + implicit val strToInt1 = (s: String) => 1 + implicit val strToInt2 = (s: String) => 2 + f"$s%d" + } + + f"$s%i" + + // 3) flag mismatches + f"$s%+ 0,(s" + f"$c%#+ 0,(c" + f"$d%#d" + f"$d%,x" + f"$d%+ (x" + f"$f%,(a" + f"$t%#+ 0,(tT" + + // 4) bad precisions + f"$c%.2c" + f"$d%.2d" + f"%.2%" + f"%.2n" + f"$f%.2a" + f"$t%.2tT" + + // 5) bad indexes + f"%<s" + f"%<c" + f"%<tT" + f"${8}%d ${9}%d%3$$d" + f"${8}%d ${9}%d%0$$d" + + // warnings + f"${8}%d ${9}%1$$d" + f"$s%s $s%s %1$$<s" + f"$s%s $s%1$$s" + + // 6) bad arg types + f"$s%#s" + + // 7) misunderstood conversions + f"$t%tG" + f"$t%t" + f"$s%10.5" + + // 8) other brain failures + f"${d}random-leading-junk%d" +} diff --git a/tests/untried/neg/structural.check b/tests/untried/neg/structural.check new file mode 100644 index 000000000..5b2f352a7 --- /dev/null +++ b/tests/untried/neg/structural.check @@ -0,0 +1,28 @@ +structural.scala:47: error: Parameter type in structural refinement may not refer to the type of that refinement (self type) + val s1 = new { def f(p: this.type): Unit = () } + ^ +structural.scala:10: error: Parameter type in structural refinement may not refer to an abstract type defined outside that refinement + def f1[C <: Object](x: Object{ type D <: Object; def m[E >: Null <: Object](x: A): Object; val x: A }) = x.m[Tata](x.x) //fail + ^ +structural.scala:11: error: Parameter type in structural refinement may not refer to an abstract type defined outside that refinement + def f2[C <: Object](x: Object{ type D <: Object; def m[E >: Null <: Object](x: B): Object; val x: B }) = x.m[Tata](x.x) //fail + ^ +structural.scala:12: error: Parameter type in structural refinement may not refer to an abstract type defined outside that refinement + def f3[C <: Object](x: Object{ type D <: Object; def m[E >: Null <: Object](x: C): Object; val x: C }) = x.m[Tata](x.x) //fail + ^ +structural.scala:13: error: Parameter type in structural refinement may not refer to a type member of that refinement + def f4[C <: Object](x: Object{ type D <: Object; def m[E >: Null <: Object](x: D): Object; val x: D }) = x.m[Tata](x.x) //fail + ^ +structural.scala:42: error: Parameter type in structural refinement may not refer to an abstract type defined outside that refinement + type Summable[T] = { def +(v : T) : T } + ^ +structural.scala:46: error: Parameter type in structural refinement may not refer to the type of that refinement (self type) + type S1 = { def f(p: this.type): Unit } + ^ +structural.scala:49: error: Parameter type in structural refinement may not refer to a type member of that refinement + type S2 = { type T; def f(p: T): Unit } + ^ +structural.scala:52: error: Parameter type in structural refinement may not refer to an abstract type defined outside that refinement + def s3[U >: Null <: Object](p: { def f(p: U): Unit; def u: U }) = () + ^ +9 errors found diff --git a/tests/untried/neg/structural.scala b/tests/untried/neg/structural.scala new file mode 100644 index 000000000..d78339931 --- /dev/null +++ b/tests/untried/neg/structural.scala @@ -0,0 +1,54 @@ +object Test extends App { + + def f(x: { type D; def m: D }): Null = null + + class Tata + + abstract class Toto[A <: Object] { + type B <: Object + + def f1[C <: Object](x: Object{ type D <: Object; def m[E >: Null <: Object](x: A): Object; val x: A }) = x.m[Tata](x.x) //fail + def f2[C <: Object](x: Object{ type D <: Object; def m[E >: Null <: Object](x: B): Object; val x: B }) = x.m[Tata](x.x) //fail + def f3[C <: Object](x: Object{ type D <: Object; def m[E >: Null <: Object](x: C): Object; val x: C }) = x.m[Tata](x.x) //fail + def f4[C <: Object](x: Object{ type D <: Object; def m[E >: Null <: Object](x: D): Object; val x: D }) = x.m[Tata](x.x) //fail + def f5[C <: Object](x: Object{ type D <: Object; def m[E >: Null <: Object](x: E): Object; val x: Tata }) = x.m[Tata](x.x) //suceed + + def f6[C <: Object](x: Object{ type D <: Object; def m[E >: Null <: Object](x: Object): A }) = x.m[Tata](null) //suceed + def f7[C <: Object](x: Object{ type D <: Object; def m[E >: Null <: Object](x: Object): B }) = x.m[Tata](null) //suceed + def f8[C <: Object](x: Object{ type D <: Object; def m[E >: Null <: Object](x: Object): C }) = x.m[Tata](null) //suceed + def f9[C <: Object](x: Object{ type D <: Object; def m[E >: Null <: Object](x: Object): D }) = x.m[Tata](null) //fail + def f0[C <: Object](x: Object{ type D <: Object; def m[E >: Null <: Object](x: Object): E }) = x.m[Tata](null) //suceed + + } + + val tata = new Tata + val toto = new Toto[Tata] { + type B = Tata + } + + //toto.f1[Tata](new Object{ type D = Tata; def m[E >: Null <: Object](x: Tata): Object = null; val x = tata }) + //toto.f2[Tata](new Object{ type D = Tata; def m[E >: Null <: Object](x: Tata): Object = null; val x = tata }) + //toto.f3[Tata](new Object{ type D = Tata; def m[E >: Null <: Object](x: Tata): Object = null; val x = tata }) + //toto.f4[Tata](new Object{ type D = Tata; def m[E >: Null <: Object](x: D): Object = null; val x = tata }) + toto.f5[Tata](new Object{ type D = Tata; def m[E >: Null <: Object](x: E): Object = null; val x: Test.Tata = tata }) + + toto.f6[Tata](new Object{ type D = Tata; def m[E >: Null <: Object](x: Object): Tata = null }) + toto.f7[Tata](new Object{ type D = Tata; def m[E >: Null <: Object](x: Object): Tata = null }) + toto.f8[Tata](new Object{ type D = Tata; def m[E >: Null <: Object](x: Object): Tata = null }) + //toto.f9[Tata](new Object{ type D = Tata; def m[E >: Null <: Object](x: Object): D = null }) + toto.f0[Tata](new Object{ type D = Tata; def m[E >: Null <: Object](x: Object): E = null }) + + /* Bug #1246 */ + type Summable[T] = { def +(v : T) : T } + def sum[T <: Summable[T]](xs : List[T]) = xs.reduceLeft[T](_ + _) + + /* Bug #1004 & #967 */ + type S1 = { def f(p: this.type): Unit } + val s1 = new { def f(p: this.type): Unit = () } + + type S2 = { type T; def f(p: T): Unit } + //val s2: S2 = new { type T = A; def f(p: T): Unit = () } + + def s3[U >: Null <: Object](p: { def f(p: U): Unit; def u: U }) = () + +} diff --git a/tests/untried/neg/suggest-similar.check b/tests/untried/neg/suggest-similar.check new file mode 100644 index 000000000..057aa8b25 --- /dev/null +++ b/tests/untried/neg/suggest-similar.check @@ -0,0 +1,10 @@ +suggest-similar.scala:8: error: not found: value flippitx + flippitx = 123 + ^ +suggest-similar.scala:9: error: not found: value identiyt + Nil map identiyt + ^ +suggest-similar.scala:10: error: not found: type Bingus + new Bingus + ^ +three errors found diff --git a/tests/untried/neg/suggest-similar.scala b/tests/untried/neg/suggest-similar.scala new file mode 100644 index 000000000..ff327478f --- /dev/null +++ b/tests/untried/neg/suggest-similar.scala @@ -0,0 +1,11 @@ +class Dingus +object Dingus { + var flippity = 1 +} +import Dingus._ + +class A { + flippitx = 123 + Nil map identiyt + new Bingus +} diff --git a/tests/untried/neg/super-cast-or-test.check b/tests/untried/neg/super-cast-or-test.check new file mode 100644 index 000000000..8e5eed62b --- /dev/null +++ b/tests/untried/neg/super-cast-or-test.check @@ -0,0 +1,7 @@ +super-cast-or-test.scala:1: error: super not allowed here: use this.asInstanceOf instead +trait A { def f = super.asInstanceOf[AnyRef] } + ^ +super-cast-or-test.scala:2: error: super not allowed here: use this.isInstanceOf instead +trait B { def g = super.isInstanceOf[AnyRef] } + ^ +two errors found diff --git a/tests/untried/neg/super-cast-or-test.scala b/tests/untried/neg/super-cast-or-test.scala new file mode 100644 index 000000000..a0f86d808 --- /dev/null +++ b/tests/untried/neg/super-cast-or-test.scala @@ -0,0 +1,3 @@ +trait A { def f = super.asInstanceOf[AnyRef] } +trait B { def g = super.isInstanceOf[AnyRef] } + diff --git a/tests/untried/neg/switch.check b/tests/untried/neg/switch.check new file mode 100644 index 000000000..f968d3a44 --- /dev/null +++ b/tests/untried/neg/switch.check @@ -0,0 +1,9 @@ +switch.scala:38: warning: could not emit switch for @switch annotated match + def fail2(c: Char) = (c: @switch @unchecked) match { + ^ +switch.scala:45: warning: could not emit switch for @switch annotated match + def fail3(c: Char) = (c: @unchecked @switch) match { + ^ +error: No warnings can be incurred under -Xfatal-warnings. +two warnings found +one error found diff --git a/tests/untried/neg/switch.flags b/tests/untried/neg/switch.flags new file mode 100644 index 000000000..e8fb65d50 --- /dev/null +++ b/tests/untried/neg/switch.flags @@ -0,0 +1 @@ +-Xfatal-warnings
\ No newline at end of file diff --git a/tests/untried/neg/switch.scala b/tests/untried/neg/switch.scala new file mode 100644 index 000000000..a66ed768f --- /dev/null +++ b/tests/untried/neg/switch.scala @@ -0,0 +1,66 @@ +import scala.annotation.switch + +// this is testing not so much how things ought to be but how they are; +// the test is supposed to start failing if the behavior changes at all. +object Other { + val C1 = 'P' // fails: not final + final val C2 = 'Q' // succeeds: singleton type Char('Q') inferred + final val C3: Char = 'R' // fails: type Char specified + final val C4 = '\u000A' // succeeds like C2 but more unicodey +} + +object Main { + def succ1(c: Char) = (c: @switch) match { + case 'A' | 'B' | 'C' => true + case 'd' => true + case 'f' | 'g' => true + case _ => false + } + + def succ2(c: Char) = (c: @switch) match { + case 'A' | 'B' | 'C' => true + case Other.C2 => true + case Other.C4 => true + case _ => false + } + + // has a guard, but since SI-5830 that's ok + def succ_guard(c: Char) = (c: @switch) match { + case 'A' | 'B' | 'C' => true + case x if x == 'A' => true + case _ => false + } + + // throwing in @unchecked on the next two to make sure + // multiple annotations are processed correctly + + // thinks a val in an object is constant... so naive + def fail2(c: Char) = (c: @switch @unchecked) match { + case 'A' => true + case Other.C1 => true + case _ => false + } + + // more naivete + def fail3(c: Char) = (c: @unchecked @switch) match { + case 'A' => true + case Other.C3 => true + case _ => false + } + + // guard case done correctly + def succ3(c: Char) = (c: @switch) match { + case 'A' | 'B' | 'C' => true + case x => x == 'A' + } + + // some ints just to mix it up a bit + def succ4(x: Int, y: Int) = ((x+y): @switch) match { + case 1 => 5 + case 2 => 10 + case 3 => 20 + case 4 => 50 + case 5|6|7|8 => 100 + case _ => -1 + } +} diff --git a/tests/untried/neg/t0003.check b/tests/untried/neg/t0003.check new file mode 100644 index 000000000..8bab55db3 --- /dev/null +++ b/tests/untried/neg/t0003.check @@ -0,0 +1,6 @@ +t0003.scala:2: error: type mismatch; + found : A => (B => B) + required: A => B + def foo[A, B, C](l: List[A], f: A => B=>B, g: B=>B=>C): List[C] = l map (g compose f) + ^ +one error found diff --git a/tests/untried/neg/t0003.scala b/tests/untried/neg/t0003.scala new file mode 100644 index 000000000..e41cfa9e9 --- /dev/null +++ b/tests/untried/neg/t0003.scala @@ -0,0 +1,3 @@ +object Test { + def foo[A, B, C](l: List[A], f: A => B=>B, g: B=>B=>C): List[C] = l map (g compose f) +} diff --git a/tests/untried/neg/t0015.check b/tests/untried/neg/t0015.check new file mode 100644 index 000000000..43adc22f7 --- /dev/null +++ b/tests/untried/neg/t0015.check @@ -0,0 +1,6 @@ +t0015.scala:5: error: type mismatch; + found : () => Nothing + required: Nothing => ? + Nil.map(f _) + ^ +one error found diff --git a/tests/untried/neg/t0015.scala b/tests/untried/neg/t0015.scala new file mode 100644 index 000000000..225197f95 --- /dev/null +++ b/tests/untried/neg/t0015.scala @@ -0,0 +1,25 @@ +abstract class Test +{ + def f: Nothing + + Nil.map(f _) +} + +abstract class M +{ self => + + type T + final type selfType = M {type T = self.T} + type actualSelfType >: self.type <: selfType + + + def f[U](x: Any) = {} + + // compiles successfully + //f[Int](self: actualSelfType) + + f[Int](self: selfType) // compiles Ok now was well, because we narrow to singletonType in this situation + + //def g(x: Any) = {} + //g(self: selfType) +} diff --git a/tests/untried/neg/t0117.check b/tests/untried/neg/t0117.check new file mode 100644 index 000000000..579cf883a --- /dev/null +++ b/tests/untried/neg/t0117.check @@ -0,0 +1,4 @@ +t0117.scala:2: error: Implementation restriction: traits may not select fields or methods from super[C] where C is a class +trait B extends A { println(super[A].a) } + ^ +one error found diff --git a/tests/untried/neg/t0117.scala b/tests/untried/neg/t0117.scala new file mode 100644 index 000000000..4cd9ad6ef --- /dev/null +++ b/tests/untried/neg/t0117.scala @@ -0,0 +1,5 @@ +class A { def a = 0 } +trait B extends A { println(super[A].a) } +object Test extends App { + new B {} +} diff --git a/tests/untried/neg/t0152.check b/tests/untried/neg/t0152.check new file mode 100644 index 000000000..a7909bf14 --- /dev/null +++ b/tests/untried/neg/t0152.check @@ -0,0 +1,6 @@ +t0152.scala:10: error: illegal inheritance; + object boom inherits different type instances of class Value: +Value[Int] and Value[String] + object boom extends Value[java.lang.String]("foo") with PlusOne + ^ +one error found diff --git a/tests/untried/neg/t0152.scala b/tests/untried/neg/t0152.scala new file mode 100644 index 000000000..d86d59e97 --- /dev/null +++ b/tests/untried/neg/t0152.scala @@ -0,0 +1,13 @@ +class Value[+T](x: T) { + def value = x +} + +trait PlusOne extends Value[Int] { + override def value = super.value + 1 +} + +object Test extends App { + object boom extends Value[java.lang.String]("foo") with PlusOne + + println(boom.value) // class cast exception! +} diff --git a/tests/untried/neg/t0204.check b/tests/untried/neg/t0204.check new file mode 100644 index 000000000..0f7acfddd --- /dev/null +++ b/tests/untried/neg/t0204.check @@ -0,0 +1,4 @@ +t0204.scala:4: error: class type required but Program.A{type T = String} found + trait C extends B + ^ +one error found diff --git a/tests/untried/neg/t0204.scala b/tests/untried/neg/t0204.scala new file mode 100644 index 000000000..0de9d9d16 --- /dev/null +++ b/tests/untried/neg/t0204.scala @@ -0,0 +1,5 @@ +object Program { + trait A { type T } + type B = A { type T = String } + trait C extends B +} diff --git a/tests/untried/neg/t0207.check b/tests/untried/neg/t0207.check new file mode 100644 index 000000000..ebe6759b3 --- /dev/null +++ b/tests/untried/neg/t0207.check @@ -0,0 +1,7 @@ +t0207.scala:3: error: type T takes type parameters + type S = (T with T)[A] + ^ +t0207.scala:3: error: type T takes type parameters + type S = (T with T)[A] + ^ +two errors found diff --git a/tests/untried/neg/t0207.scala b/tests/untried/neg/t0207.scala new file mode 100644 index 000000000..d9df0ca95 --- /dev/null +++ b/tests/untried/neg/t0207.scala @@ -0,0 +1,4 @@ +trait A { + type T[_] + type S = (T with T)[A] +} diff --git a/tests/untried/neg/t0209.check b/tests/untried/neg/t0209.check new file mode 100644 index 000000000..1904e58e7 --- /dev/null +++ b/tests/untried/neg/t0209.check @@ -0,0 +1,6 @@ +t0209.scala:15: error: type mismatch; + found : C + required: _1.type where val _1: A + (new B: A).f(new C) + ^ +one error found diff --git a/tests/untried/neg/t0209.scala b/tests/untried/neg/t0209.scala new file mode 100644 index 000000000..cd9bd9754 --- /dev/null +++ b/tests/untried/neg/t0209.scala @@ -0,0 +1,17 @@ +abstract class A { + def f(x : this.type) : B +} + +class B extends A { + override def f(x : this.type) : B = x +} + +class C extends A { + override def f(x : this.type) : B = null +} + +object Program { + def main(args : Array[String]): Unit = { + (new B: A).f(new C) + } +} diff --git a/tests/untried/neg/t0214.check b/tests/untried/neg/t0214.check new file mode 100644 index 000000000..30bb0488c --- /dev/null +++ b/tests/untried/neg/t0214.check @@ -0,0 +1,4 @@ +t0214.scala:3: error: missing parameter type + a2p(x => x._1,(2,3)) + ^ +one error found diff --git a/tests/untried/neg/t0214.scala b/tests/untried/neg/t0214.scala new file mode 100644 index 000000000..bdc42bfd7 --- /dev/null +++ b/tests/untried/neg/t0214.scala @@ -0,0 +1,4 @@ +object Test { + def a2p[a,b,c](f:((a,b))=>c,v:(a,b)):c = f(v) + a2p(x => x._1,(2,3)) +} diff --git a/tests/untried/neg/t0218.check b/tests/untried/neg/t0218.check new file mode 100644 index 000000000..a22583d23 --- /dev/null +++ b/tests/untried/neg/t0218.check @@ -0,0 +1,4 @@ +t0218.scala:10: error: class type required but APQ.this.P found + List(new PP) + ^ +one error found diff --git a/tests/untried/neg/t0218.scala b/tests/untried/neg/t0218.scala new file mode 100644 index 000000000..319be82a7 --- /dev/null +++ b/tests/untried/neg/t0218.scala @@ -0,0 +1,12 @@ +trait APQ { + class Placement { + } + + type P <: Placement + + type PP = P + + def pq(numQueens: Int, numRows: Int) : List[Placement] = { + List(new PP) + } +} diff --git a/tests/untried/neg/t0226.check b/tests/untried/neg/t0226.check new file mode 100644 index 000000000..247f1f244 --- /dev/null +++ b/tests/untried/neg/t0226.check @@ -0,0 +1,10 @@ +t0226.scala:5: error: not found: type A1 + (implicit _1: Foo[List[A1]], _2: Foo[A2]): Foo[Tuple2[List[A1], A2]] = + ^ +t0226.scala:5: error: not found: type A1 + (implicit _1: Foo[List[A1]], _2: Foo[A2]): Foo[Tuple2[List[A1], A2]] = + ^ +t0226.scala:8: error: could not find implicit value for parameter rep: Test.this.Foo[((List[Char], Int), (scala.collection.immutable.Nil.type, Int))] + foo(((List('b'), 3), (Nil, 4))) + ^ +three errors found diff --git a/tests/untried/neg/t0226.scala b/tests/untried/neg/t0226.scala new file mode 100644 index 000000000..beca3cd64 --- /dev/null +++ b/tests/untried/neg/t0226.scala @@ -0,0 +1,9 @@ +class Test { + def foo[A](x: A)(implicit rep: Foo[A]): Foo[A] = rep + abstract class Foo[A] + implicit def list2Foo[List[A1], A2] + (implicit _1: Foo[List[A1]], _2: Foo[A2]): Foo[Tuple2[List[A1], A2]] = + null //dummy + + foo(((List('b'), 3), (Nil, 4))) +} diff --git a/tests/untried/neg/t0259.check b/tests/untried/neg/t0259.check new file mode 100644 index 000000000..8c15d9841 --- /dev/null +++ b/tests/untried/neg/t0259.check @@ -0,0 +1,7 @@ +t0259.scala:4: error: double definition: +constructor TestCase3: (groups: (String, Int)*)test.TestCase3 at line 3 and +constructor TestCase3: (groups: String*)test.TestCase3 at line 4 +have same type after erasure: (groups: Seq)test.TestCase3 + def this( groups: String*) = this() + ^ +one error found diff --git a/tests/untried/neg/t0259.scala b/tests/untried/neg/t0259.scala new file mode 100644 index 000000000..29aef7011 --- /dev/null +++ b/tests/untried/neg/t0259.scala @@ -0,0 +1,6 @@ +package test; +class TestCase3() { + def this( groups: (String, Int)*) = this() + def this( groups: String*) = this() +} +object Main extends TestCase3 with App diff --git a/tests/untried/neg/t0345.check b/tests/untried/neg/t0345.check new file mode 100644 index 000000000..1e55d01cd --- /dev/null +++ b/tests/untried/neg/t0345.check @@ -0,0 +1,4 @@ +t0345.scala:2: error: object creation impossible, since method cons in trait Lizt of type (a: Nothing)Unit is not defined + val empty = new Lizt[Nothing] { + ^ +one error found diff --git a/tests/untried/neg/t0345.scala b/tests/untried/neg/t0345.scala new file mode 100644 index 000000000..15b941bc4 --- /dev/null +++ b/tests/untried/neg/t0345.scala @@ -0,0 +1,15 @@ +object Lizt { + val empty = new Lizt[Nothing] { + def cons[A](a : A): Unit = {} + } +} + +trait Lizt[A] { + def cons(a : A) : Unit +} +class Test { + abstract class C[A] {} + val c = new C[Int] { + def f[A](x: A): Unit = {} + } + } diff --git a/tests/untried/neg/t0351.check b/tests/untried/neg/t0351.check new file mode 100644 index 000000000..ce10605ec --- /dev/null +++ b/tests/untried/neg/t0351.check @@ -0,0 +1,4 @@ +t0351.scala:2: error: no by-name parameter type allowed here + def identity[T](x : => T) : (=> T) + ^ +one error found diff --git a/tests/untried/neg/t0351.scala b/tests/untried/neg/t0351.scala new file mode 100644 index 000000000..665bd89da --- /dev/null +++ b/tests/untried/neg/t0351.scala @@ -0,0 +1,3 @@ +abstract class Foo { + def identity[T](x : => T) : (=> T) +} diff --git a/tests/untried/neg/t0418.check b/tests/untried/neg/t0418.check new file mode 100644 index 000000000..b95f8e4e1 --- /dev/null +++ b/tests/untried/neg/t0418.check @@ -0,0 +1,4 @@ +t0418.scala:2: error: not found: value Foo12340771 + null match { case Foo12340771.Bar(x) => x } + ^ +one error found diff --git a/tests/untried/neg/t0418.scala b/tests/untried/neg/t0418.scala new file mode 100644 index 000000000..67007010d --- /dev/null +++ b/tests/untried/neg/t0418.scala @@ -0,0 +1,3 @@ +object Test { + null match { case Foo12340771.Bar(x) => x } +} diff --git a/tests/untried/neg/t0503.check b/tests/untried/neg/t0503.check new file mode 100644 index 000000000..51e5bbeda --- /dev/null +++ b/tests/untried/neg/t0503.check @@ -0,0 +1,7 @@ +t0503.scala:1: error: expected class or object definition +val x = new { } with { } +^ +t0503.scala:3: error: expected class or object definition +val y = new { } with A +^ +two errors found diff --git a/tests/untried/neg/t0503.scala b/tests/untried/neg/t0503.scala new file mode 100644 index 000000000..322e1ad13 --- /dev/null +++ b/tests/untried/neg/t0503.scala @@ -0,0 +1,3 @@ +val x = new { } with { } +trait A +val y = new { } with A diff --git a/tests/untried/neg/t0513.check b/tests/untried/neg/t0513.check new file mode 100644 index 000000000..edc0c9ab6 --- /dev/null +++ b/tests/untried/neg/t0513.check @@ -0,0 +1,7 @@ +t0513.scala:5: error: type arguments [Nothing,Int] do not conform to class Y's type parameter bounds [T1,T2 <: T1] + val test2 = Test[Y[Nothing, Int]] // No error + ^ +t0513.scala:5: error: type arguments [Nothing,Int] do not conform to class Y's type parameter bounds [T1,T2 <: T1] + val test2 = Test[Y[Nothing, Int]] // No error + ^ +two errors found diff --git a/tests/untried/neg/t0513.scala b/tests/untried/neg/t0513.scala new file mode 100644 index 000000000..0193483ca --- /dev/null +++ b/tests/untried/neg/t0513.scala @@ -0,0 +1,6 @@ +object Test { + case class Y[T1, T2 <: T1]() + //val test = Y[Nothing, Int] // Compiler error + case class Test[T]() + val test2 = Test[Y[Nothing, Int]] // No error +} diff --git a/tests/untried/neg/t0528neg.check b/tests/untried/neg/t0528neg.check new file mode 100644 index 000000000..c8c3ab422 --- /dev/null +++ b/tests/untried/neg/t0528neg.check @@ -0,0 +1,4 @@ +t0528neg.scala:2: error: covariant type A occurs in invariant position in type => Array[T forSome { type T <: A }] of method toArray + def toArray: Array[T forSome {type T <: A}] + ^ +one error found diff --git a/tests/untried/neg/t0528neg.scala b/tests/untried/neg/t0528neg.scala new file mode 100644 index 000000000..d19bdac73 --- /dev/null +++ b/tests/untried/neg/t0528neg.scala @@ -0,0 +1,15 @@ +trait Sequ[+A] { + def toArray: Array[T forSome {type T <: A}] +} + +class RichStr extends Sequ[Char] { + // override to a primitive array + def toArray: Array[Char] = new Array[Char](10) +} + +object Foo extends App { + val x: RichStr = new RichStr + + println(x.toArray) // call directly + println((x: Sequ[Char]).toArray) // calling through the bridge misses unboxing +} diff --git a/tests/untried/neg/t0565.check b/tests/untried/neg/t0565.check new file mode 100644 index 000000000..98e61a250 --- /dev/null +++ b/tests/untried/neg/t0565.check @@ -0,0 +1,4 @@ +t0565.scala:8: error: Parameter type in structural refinement may not refer to a type member of that refinement + def z (w : T) : T } = + ^ +one error found diff --git a/tests/untried/neg/t0565.scala b/tests/untried/neg/t0565.scala new file mode 100644 index 000000000..53059a4e0 --- /dev/null +++ b/tests/untried/neg/t0565.scala @@ -0,0 +1,22 @@ +object Test extends App { + + class MacGuffin + + object A { + var x : { type T >: Null <: AnyRef; + val y : T; + def z (w : T) : T } = + new { type T = String; + val y = "foo"; + def z (w : String) = w + "bar" } + lazy val u = { println("u evaluated"); x } + def foo (v : => u.type#T) : u.type#T = { + x = new { type T = MacGuffin; + val y = new MacGuffin; + def z (w : MacGuffin) = w } + u.z(v) + } + } + + A.foo(A.u.y) +} diff --git a/tests/untried/neg/t0590.check b/tests/untried/neg/t0590.check new file mode 100644 index 000000000..a3ef70c6c --- /dev/null +++ b/tests/untried/neg/t0590.check @@ -0,0 +1,6 @@ +t0590.scala:2: error: type mismatch; + found : Null(null) + required: T + implicit def foo[T] : T = null + ^ +one error found diff --git a/tests/untried/neg/t0590.scala b/tests/untried/neg/t0590.scala new file mode 100644 index 000000000..3416ade35 --- /dev/null +++ b/tests/untried/neg/t0590.scala @@ -0,0 +1,3 @@ +object Test { + implicit def foo[T] : T = null +} diff --git a/tests/untried/neg/t0606.check b/tests/untried/neg/t0606.check new file mode 100644 index 000000000..fb83fca74 --- /dev/null +++ b/tests/untried/neg/t0606.check @@ -0,0 +1,4 @@ +t0606.scala:5: error: private value db escapes its defining scope as part of type Foo.this.db.Info + val info = new db.Info + ^ +one error found diff --git a/tests/untried/neg/t0606.scala b/tests/untried/neg/t0606.scala new file mode 100644 index 000000000..e76ea810e --- /dev/null +++ b/tests/untried/neg/t0606.scala @@ -0,0 +1,6 @@ +class Database { + class Info +} +class Foo(db : Database) { + val info = new db.Info +} diff --git a/tests/untried/neg/t0673.check b/tests/untried/neg/t0673.check new file mode 100644 index 000000000..fd27afc23 --- /dev/null +++ b/tests/untried/neg/t0673.check @@ -0,0 +1,4 @@ +Test.scala:2: error: object JavaClass.InnerClass is not a value + val x = JavaClass.InnerClass + ^ +one error found diff --git a/tests/untried/neg/t0673/JavaClass.java b/tests/untried/neg/t0673/JavaClass.java new file mode 100644 index 000000000..e469e1348 --- /dev/null +++ b/tests/untried/neg/t0673/JavaClass.java @@ -0,0 +1,3 @@ +public class JavaClass { + public static class InnerClass {} +} diff --git a/tests/untried/neg/t0673/Test.scala b/tests/untried/neg/t0673/Test.scala new file mode 100644 index 000000000..43b97887e --- /dev/null +++ b/tests/untried/neg/t0673/Test.scala @@ -0,0 +1,3 @@ +object Test { + val x = JavaClass.InnerClass +} diff --git a/tests/untried/neg/t0699.check b/tests/untried/neg/t0699.check new file mode 100644 index 000000000..c944da8c1 --- /dev/null +++ b/tests/untried/neg/t0699.check @@ -0,0 +1,10 @@ +B.scala:2: error: illegal inheritance from sealed trait T + trait T1 extends A.T + ^ +B.scala:3: error: illegal inheritance from sealed class C + trait T2 extends A.C + ^ +B.scala:4: error: illegal inheritance from sealed class C + class C1 extends A.C + ^ +three errors found diff --git a/tests/untried/neg/t0699/A.scala b/tests/untried/neg/t0699/A.scala new file mode 100644 index 000000000..a75ebbd25 --- /dev/null +++ b/tests/untried/neg/t0699/A.scala @@ -0,0 +1,4 @@ +object A { + sealed trait T + sealed class C +} diff --git a/tests/untried/neg/t0699/B.scala b/tests/untried/neg/t0699/B.scala new file mode 100644 index 000000000..d27ad16ee --- /dev/null +++ b/tests/untried/neg/t0699/B.scala @@ -0,0 +1,5 @@ +object B { + trait T1 extends A.T + trait T2 extends A.C + class C1 extends A.C +} diff --git a/tests/untried/neg/t0764.check b/tests/untried/neg/t0764.check new file mode 100644 index 000000000..0c7cff1e1 --- /dev/null +++ b/tests/untried/neg/t0764.check @@ -0,0 +1,7 @@ +t0764.scala:13: error: type mismatch; + found : Node{type T = _1.type} where val _1: Node{type T = NextType} + required: Node{type T = Main.this.AType} + (which expands to) Node{type T = Node{type T = NextType}} + new Main[AType]( (value: AType).prepend ) + ^ +one error found diff --git a/tests/untried/neg/t0764.scala b/tests/untried/neg/t0764.scala new file mode 100644 index 000000000..7ee76feab --- /dev/null +++ b/tests/untried/neg/t0764.scala @@ -0,0 +1,45 @@ +class Top[A] { + type AType = A +} + +trait Node { outer => + type T <: Node + def prepend = new Node { type T = outer.type } +} + +class Main[NextType <: Node](value: Node { type T = NextType }) + extends Top[Node { type T = NextType }] { + + new Main[AType]( (value: AType).prepend ) +} + +/* we've been back-and-forth on this one -- see PRs on SI-8177 for the reasoning +I think it should compile and that the following error is due to broken =:= on existentials + found : Node{type T = _1.type} where val _1: Node{type T = NextType} + required: Node{type T = Main.this.AType} + (which expands to) Node{type T = Node{type T = NextType}} + +I claim (omitting the forSome for brevity, even though the premature skolemization is probably the issue) +_1.type =:= Main.this.AType +because +(1) _1.type <:< Main.this.AType and (2) Main.this.AType <:< _1.type +(1), because: +_1.type <:< Node{type T = NextType} (because skolemization and _1's upper bound) +(2), because: +Node{type T = NextType} <:< _1.type forSome val _1: Node{type T = NextType} +because: +Node{type T = NextType} <:< T forSome {type T <: Node{type T = NextType} with Singleton} +because +Node{type T = NextType} <:< Node{type T = NextType} with Singleton + +hmmm.. might the with Singleton be throwing a wrench in our existential house? + +Behold the equivalent program which type checks without the fix for SI-8177. +(Expand type alias, convert type member to type param; +note the covariance to encode subtyping on type members.) + +class Node[+T <: Node[_]] { def prepend = new Node[this.type] } +class Main[NextType <: Node[_]](value: Node[NextType]) { + new Main(value.prepend) +} +*/ diff --git a/tests/untried/neg/t0764b.check b/tests/untried/neg/t0764b.check new file mode 100644 index 000000000..4040954e7 --- /dev/null +++ b/tests/untried/neg/t0764b.check @@ -0,0 +1,47 @@ +t0764b.scala:27: error: type mismatch; + found : p1.t0764.Node{type T = p1.t0764.<refinement>.type} + required: p1.t0764.NodeAlias[p1.t0764.NodeAlias[A]] + (which expands to) p1.t0764.Node{type T = p1.t0764.Node{type T = A}} + private[this] def f2 = new Main1[NodeAlias[A]](v.prepend) // fail + ^ +t0764b.scala:28: error: type mismatch; + found : p1.t0764.Node{type T = p1.t0764.<refinement>.type} + required: p1.t0764.NodeAlias[p1.t0764.Node{type T = A}] + (which expands to) p1.t0764.Node{type T = p1.t0764.Node{type T = A}} + private[this] def f3 = new Main1[Node { type T = A }](v.prepend) // fail + ^ +t0764b.scala:34: error: type mismatch; + found : p1.t0764.Node{type T = p1.t0764.<refinement>.type} + required: p1.t0764.Node{type T = p1.t0764.NodeAlias[A]} + (which expands to) p1.t0764.Node{type T = p1.t0764.Node{type T = A}} + private[this] def f2 = new Main2[NodeAlias[A]](v.prepend) // fail + ^ +t0764b.scala:35: error: type mismatch; + found : p1.t0764.Node{type T = p1.t0764.<refinement>.type} + required: p1.t0764.Node{type T = p1.t0764.Node{type T = A}} + private[this] def f3 = new Main2[Node { type T = A }](v.prepend) // fail + ^ +t0764b.scala:51: error: type mismatch; + found : p2.t0764.Node{type T = p2.t0764.<refinement>.type} + required: p2.t0764.NodeAlias[p2.t0764.NodeAlias[A]] + (which expands to) p2.t0764.Node{type T = p2.t0764.Node{type T = A}} + private[this] def f2 = new Main1[NodeAlias[A]](v.prepend) // fail + ^ +t0764b.scala:52: error: type mismatch; + found : p2.t0764.Node{type T = p2.t0764.<refinement>.type} + required: p2.t0764.NodeAlias[p2.t0764.Node{type T = A}] + (which expands to) p2.t0764.Node{type T = p2.t0764.Node{type T = A}} + private[this] def f3 = new Main1[Node { type T = A }](v.prepend) // fail + ^ +t0764b.scala:58: error: type mismatch; + found : p2.t0764.Node{type T = p2.t0764.<refinement>.type} + required: p2.t0764.Node{type T = p2.t0764.NodeAlias[A]} + (which expands to) p2.t0764.Node{type T = p2.t0764.Node{type T = A}} + private[this] def f2 = new Main2[NodeAlias[A]](v.prepend) // fail + ^ +t0764b.scala:59: error: type mismatch; + found : p2.t0764.Node{type T = p2.t0764.<refinement>.type} + required: p2.t0764.Node{type T = p2.t0764.Node{type T = A}} + private[this] def f3 = new Main2[Node { type T = A }](v.prepend) // fail + ^ +8 errors found diff --git a/tests/untried/neg/t0764b.scala b/tests/untried/neg/t0764b.scala new file mode 100644 index 000000000..14c623c67 --- /dev/null +++ b/tests/untried/neg/t0764b.scala @@ -0,0 +1,63 @@ +// see neg/t0764 why this should probably be a pos/ test -- alas something's wrong with existential subtyping (?) + +// In all cases when calling "prepend" the receiver 'v' +// has static type NodeAlias[A] or (equivalently) Node { type T = A }. +// Since prepend explicitly returns the singleton type of the receiver, +// the return type of prepend in all cases is "v.type", and so the call +// to "new Main" can be parameterized with any of the following, in order +// of decreasing specificity with a tie for second place: +// +// new Main[v.type](v.prepend) +// new Main[NodeAlias[A]](v.prepend) +// new Main[Node { type T = A }](v.prepend) +// new Main(v.prepend) + +// the `fail` comments below denote what didn't compile before SI-8177 fixed all of them + +package p1 { + object t0764 { + type NodeAlias[A] = Node { type T = A } + trait Node { outer => + type T <: Node + def prepend: Node { type T = outer.type } = ??? + } + + class Main1[A <: Node](v: NodeAlias[A]) { + private[this] def f1 = new Main1(v.prepend) // fail + private[this] def f2 = new Main1[NodeAlias[A]](v.prepend) // fail + private[this] def f3 = new Main1[Node { type T = A }](v.prepend) // fail + private[this] def f4 = new Main1[v.type](v.prepend) // ok + } + + class Main2[A <: Node](v: Node { type T = A }) { + private[this] def f1 = new Main2(v.prepend) // fail + private[this] def f2 = new Main2[NodeAlias[A]](v.prepend) // fail + private[this] def f3 = new Main2[Node { type T = A }](v.prepend) // fail + private[this] def f4 = new Main2[v.type](v.prepend) // ok + } + } +} + +package p2 { + object t0764 { + type NodeAlias[A] = Node { type T = A } + trait Node { outer => + type T <: Node + def prepend: NodeAlias[outer.type] = ??? + } + + class Main1[A <: Node](v: NodeAlias[A]) { + private[this] def f1 = new Main1(v.prepend) // ok! <<========== WOT + private[this] def f2 = new Main1[NodeAlias[A]](v.prepend) // fail + private[this] def f3 = new Main1[Node { type T = A }](v.prepend) // fail + private[this] def f4 = new Main1[v.type](v.prepend) // ok + } + + class Main2[A <: Node](v: Node { type T = A }) { + private[this] def f1 = new Main2(v.prepend) // fail + private[this] def f2 = new Main2[NodeAlias[A]](v.prepend) // fail + private[this] def f3 = new Main2[Node { type T = A }](v.prepend) // fail + private[this] def f4 = new Main2[v.type](v.prepend) // ok + } + } +} diff --git a/tests/untried/neg/t0816.check b/tests/untried/neg/t0816.check new file mode 100644 index 000000000..48f37c141 --- /dev/null +++ b/tests/untried/neg/t0816.check @@ -0,0 +1,4 @@ +t0816.scala:5: error: case class Ctest has case ancestor Btest, but case-to-case inheritance is prohibited. To overcome this limitation, use extractors to pattern match on non-leaf nodes. +case class Ctest(override val data: String) extends Btest(data, true) + ^ +one error found diff --git a/tests/untried/neg/t0816.scala b/tests/untried/neg/t0816.scala new file mode 100644 index 000000000..0128a0ad7 --- /dev/null +++ b/tests/untried/neg/t0816.scala @@ -0,0 +1,12 @@ +abstract class Atest(val data: String) + +case class Btest(override val data: String, val b: Boolean) extends Atest(data) + +case class Ctest(override val data: String) extends Btest(data, true) + +class testCaseClass { + def test(x: Atest) = x match { + case Ctest(data) => Console.println("C") + case Btest(data, b) => Console.println("B") + } +} diff --git a/tests/untried/neg/t0842.check b/tests/untried/neg/t0842.check new file mode 100644 index 000000000..3351aa117 --- /dev/null +++ b/tests/untried/neg/t0842.check @@ -0,0 +1,4 @@ +t0842.scala:1: error: A.this.type does not take type parameters +trait A[T] { def m: this.type[T] = this } + ^ +one error found diff --git a/tests/untried/neg/t0842.scala b/tests/untried/neg/t0842.scala new file mode 100644 index 000000000..f32c2ba26 --- /dev/null +++ b/tests/untried/neg/t0842.scala @@ -0,0 +1 @@ +trait A[T] { def m: this.type[T] = this } diff --git a/tests/untried/neg/t0899.check b/tests/untried/neg/t0899.check new file mode 100644 index 000000000..8b71be8e0 --- /dev/null +++ b/tests/untried/neg/t0899.check @@ -0,0 +1,10 @@ +t0899.scala:9: error: super may be not be used on value o + override val o = "Ha! " + super.o + ^ +t0899.scala:11: error: super may be not be used on variable v + super.v = "aa" + ^ +t0899.scala:12: error: super may be not be used on variable v + println(super.v) + ^ +three errors found diff --git a/tests/untried/neg/t0899.scala b/tests/untried/neg/t0899.scala new file mode 100644 index 000000000..817dc19eb --- /dev/null +++ b/tests/untried/neg/t0899.scala @@ -0,0 +1,13 @@ +class Top { + val o = "Hi there!" + var v = "Hi there!" + type T + val x: T +} + +class Bot extends Top { + override val o = "Ha! " + super.o + val y: super.T = x + super.v = "aa" + println(super.v) +} diff --git a/tests/untried/neg/t0903.check b/tests/untried/neg/t0903.check new file mode 100644 index 000000000..2dd05cd3e --- /dev/null +++ b/tests/untried/neg/t0903.check @@ -0,0 +1,7 @@ +t0903.scala:3: error: value += is not a member of Int + x += 1 + ^ +t0903.scala:4: error: reassignment to val + x = 2 + ^ +two errors found diff --git a/tests/untried/neg/t0903.scala b/tests/untried/neg/t0903.scala new file mode 100644 index 000000000..cf8abce97 --- /dev/null +++ b/tests/untried/neg/t0903.scala @@ -0,0 +1,5 @@ +object Test { + val x = 1 + x += 1 + x = 2 +} diff --git a/tests/untried/neg/t1009.check b/tests/untried/neg/t1009.check new file mode 100644 index 000000000..5c9978b73 --- /dev/null +++ b/tests/untried/neg/t1009.check @@ -0,0 +1,4 @@ +t1009.scala:2: error: empty quoted identifier + def `` = "fish" + ^ +one error found diff --git a/tests/untried/neg/t1009.scala b/tests/untried/neg/t1009.scala new file mode 100644 index 000000000..a260397d2 --- /dev/null +++ b/tests/untried/neg/t1009.scala @@ -0,0 +1,3 @@ +object Foo extends App{ + def `` = "fish" +} diff --git a/tests/untried/neg/t1010.check b/tests/untried/neg/t1010.check new file mode 100644 index 000000000..2cc8f9d98 --- /dev/null +++ b/tests/untried/neg/t1010.check @@ -0,0 +1,6 @@ +t1010.scala:14: error: type mismatch; + found : MailBox#Message + required: _3.in.Message where val _3: Actor + unstable.send(msg) // in.Message becomes unstable.Message, but that's ok since Message is a concrete type member + ^ +one error found diff --git a/tests/untried/neg/t1010.scala b/tests/untried/neg/t1010.scala new file mode 100644 index 000000000..fd142978e --- /dev/null +++ b/tests/untried/neg/t1010.scala @@ -0,0 +1,15 @@ +class MailBox { + class Message + //type Message = AnyRef +} + +abstract class Actor { + private val in = new MailBox + + def send(msg: in.Message) = sys.error("foo") + + def unstable: Actor = sys.error("foo") + + def dubiousSend(msg: MailBox#Message): Nothing = + unstable.send(msg) // in.Message becomes unstable.Message, but that's ok since Message is a concrete type member +} diff --git a/tests/untried/neg/t1033.check b/tests/untried/neg/t1033.check new file mode 100644 index 000000000..16e799264 --- /dev/null +++ b/tests/untried/neg/t1033.check @@ -0,0 +1,4 @@ +t1033.scala:5: error: return outside method definition + return 10 + ^ +one error found diff --git a/tests/untried/neg/t1033.scala b/tests/untried/neg/t1033.scala new file mode 100644 index 000000000..28af01d5c --- /dev/null +++ b/tests/untried/neg/t1033.scala @@ -0,0 +1,13 @@ +object A { + def f :Int = { + class B { + println("B") + return 10 + } + new B + 20 + } + def main(args: Array[String]): Unit = { + f + } +} diff --git a/tests/untried/neg/t1038.check b/tests/untried/neg/t1038.check new file mode 100644 index 000000000..b191b89ad --- /dev/null +++ b/tests/untried/neg/t1038.check @@ -0,0 +1,5 @@ +t1038.scala:4: error: not enough arguments for constructor X: (x: Int)X. +Unspecified value parameter x. + val a = new X + ^ +one error found diff --git a/tests/untried/neg/t1038.scala b/tests/untried/neg/t1038.scala new file mode 100644 index 000000000..367022965 --- /dev/null +++ b/tests/untried/neg/t1038.scala @@ -0,0 +1,8 @@ +class X(x : Int) + +object Y { + val a = new X + import a._ + implicit val b : Int = 1 + implicit val c = 2 +} diff --git a/tests/untried/neg/t1041.check b/tests/untried/neg/t1041.check new file mode 100644 index 000000000..d82f3a858 --- /dev/null +++ b/tests/untried/neg/t1041.check @@ -0,0 +1,6 @@ +t1041.scala:3: error: type mismatch; + found : Int(1) + required: List[Int] + case 1 => 4 + ^ +one error found diff --git a/tests/untried/neg/t1041.scala b/tests/untried/neg/t1041.scala new file mode 100644 index 000000000..a5895c68a --- /dev/null +++ b/tests/untried/neg/t1041.scala @@ -0,0 +1,6 @@ +object test { + (1 :: 2 :: Nil) match { + case 1 => 4 + case _ => 0 + } +} diff --git a/tests/untried/neg/t1049.check b/tests/untried/neg/t1049.check new file mode 100644 index 000000000..4a63cb175 --- /dev/null +++ b/tests/untried/neg/t1049.check @@ -0,0 +1,4 @@ +t1049.scala:6: error: not found: value a + case a : a.MapTo => + ^ +one error found diff --git a/tests/untried/neg/t1049.scala b/tests/untried/neg/t1049.scala new file mode 100644 index 000000000..2f59ed3c0 --- /dev/null +++ b/tests/untried/neg/t1049.scala @@ -0,0 +1,9 @@ +class J { + type tttt[a, b] <: _root_.scala.collection.mutable.Map[a, b] + + def r(aa : tttt[String, String]) = { + 0 match { + case a : a.MapTo => + } + } +} diff --git a/tests/untried/neg/t1106.check b/tests/untried/neg/t1106.check new file mode 100644 index 000000000..f81d0c602 --- /dev/null +++ b/tests/untried/neg/t1106.check @@ -0,0 +1,7 @@ +t1106.scala:2: error: expected class or object definition +val p = new Par[String] +^ +t1106.scala:5: error: expected class or object definition +new Foo[p.type](p) // crashes compiler +^ +two errors found diff --git a/tests/untried/neg/t1106.scala b/tests/untried/neg/t1106.scala new file mode 100644 index 000000000..a218eee7a --- /dev/null +++ b/tests/untried/neg/t1106.scala @@ -0,0 +1,5 @@ +class Par[S] +val p = new Par[String] +class Foo[T[x]<:Par[x]](t: T[String]) + +new Foo[p.type](p) // crashes compiler diff --git a/tests/untried/neg/t1112.check b/tests/untried/neg/t1112.check new file mode 100644 index 000000000..5e3821b15 --- /dev/null +++ b/tests/untried/neg/t1112.check @@ -0,0 +1,4 @@ +t1112.scala:12: error: too many arguments for method call: (p: Int)(f: => Test.this.Type1)Unit + call(0,() => System.out.println("here we are")) + ^ +one error found diff --git a/tests/untried/neg/t1112.scala b/tests/untried/neg/t1112.scala new file mode 100644 index 000000000..1a88629fa --- /dev/null +++ b/tests/untried/neg/t1112.scala @@ -0,0 +1,14 @@ +// checks that error doesn't crash the compiler +// (due to isFunctionType normalizing Type1 to a function type, +// but then the code that used that test not using the normalized type for further operations) +class Test { + type Type1 = () => Unit + + def call(p: Int)(f: => Type1) = { + f() + } + + def run = { + call(0,() => System.out.println("here we are")) + } +} diff --git a/tests/untried/neg/t112706A.check b/tests/untried/neg/t112706A.check new file mode 100644 index 000000000..ad403ab13 --- /dev/null +++ b/tests/untried/neg/t112706A.check @@ -0,0 +1,6 @@ +t112706A.scala:5: error: constructor cannot be instantiated to expected type; + found : (T1, T2) + required: String + case Tuple2(node,_) => + ^ +one error found diff --git a/tests/untried/neg/t112706A.scala b/tests/untried/neg/t112706A.scala new file mode 100644 index 000000000..11304720b --- /dev/null +++ b/tests/untried/neg/t112706A.scala @@ -0,0 +1,8 @@ +package test; +trait Test { + def foo(p : List[Tuple2[String,String]]) = { + for (t <- p) t._1 match { + case Tuple2(node,_) => + } + } +} diff --git a/tests/untried/neg/t1163.check b/tests/untried/neg/t1163.check new file mode 100644 index 000000000..69e6b7ac4 --- /dev/null +++ b/tests/untried/neg/t1163.check @@ -0,0 +1,7 @@ +t1163.scala:2: error: overriding method foo in trait Sub of type => Sub; + method foo in trait Super of type => Super has incompatible type; + (Note that method foo in trait Sub of type => Sub is abstract, + and is therefore overridden by concrete method foo in trait Super of type => Super) +trait Sub extends Super { override def foo: Sub } + ^ +one error found diff --git a/tests/untried/neg/t1163.scala b/tests/untried/neg/t1163.scala new file mode 100644 index 000000000..caf5747f9 --- /dev/null +++ b/tests/untried/neg/t1163.scala @@ -0,0 +1,2 @@ +trait Super { def foo: Super = new Super {} } +trait Sub extends Super { override def foo: Sub } diff --git a/tests/untried/neg/t1168.check b/tests/untried/neg/t1168.check new file mode 100644 index 000000000..d9b754774 --- /dev/null +++ b/tests/untried/neg/t1168.check @@ -0,0 +1,4 @@ +t1168.scala:6: error: Names of vals or vars may not end in `_=' + val r_= = 4 + ^ +one error found diff --git a/tests/untried/neg/t1168.scala b/tests/untried/neg/t1168.scala new file mode 100644 index 000000000..85f2dc90d --- /dev/null +++ b/tests/untried/neg/t1168.scala @@ -0,0 +1,7 @@ +class tor { + def r_= = 4 +} + +class child extends tor { + val r_= = 4 +} diff --git a/tests/untried/neg/t1181.check b/tests/untried/neg/t1181.check new file mode 100644 index 000000000..13b73d538 --- /dev/null +++ b/tests/untried/neg/t1181.check @@ -0,0 +1,10 @@ +t1181.scala:8: warning: a pure expression does nothing in statement position; you may be omitting necessary parentheses + case (Nil, Nil) => map + ^ +t1181.scala:9: error: type mismatch; + found : scala.collection.immutable.Map[Symbol,Symbol] + required: Symbol + _ => buildMap(map.updated(keyList.head, valueList.head), keyList.tail, valueList.tail) + ^ +one warning found +one error found diff --git a/tests/untried/neg/t1181.scala b/tests/untried/neg/t1181.scala new file mode 100644 index 000000000..5e5fceacc --- /dev/null +++ b/tests/untried/neg/t1181.scala @@ -0,0 +1,12 @@ +package test + +import scala.collection.immutable.Map + +class CompilerTest(val valueList: List[Symbol]) { + def buildMap(map: Map[Symbol, Symbol], keyList: List[Symbol], valueList: List[Symbol]): Map[Symbol, Symbol] = { + (keyList, valueList) match { + case (Nil, Nil) => map + _ => buildMap(map.updated(keyList.head, valueList.head), keyList.tail, valueList.tail) + } + } +} diff --git a/tests/untried/neg/t1183.check b/tests/untried/neg/t1183.check new file mode 100644 index 000000000..c402829c7 --- /dev/null +++ b/tests/untried/neg/t1183.check @@ -0,0 +1,17 @@ +t1183.scala:6: error: name clash: class Foo defines object Baz +and its companion object Foo also defines class Baz + object Baz + ^ +t1183.scala:7: error: name clash: class Foo defines class Bam +and its companion object Foo also defines object Bam + class Bam + ^ +t1183.scala:8: error: name clash: class Foo defines object Bar +and its companion object Foo also defines class Bar + object Bar + ^ +t1183.scala:9: error: name clash: class Foo defines class Bar +and its companion object Foo also defines class Bar + case class Bar(i:Int) + ^ +four errors found diff --git a/tests/untried/neg/t1183.scala b/tests/untried/neg/t1183.scala new file mode 100644 index 000000000..23868ab40 --- /dev/null +++ b/tests/untried/neg/t1183.scala @@ -0,0 +1,34 @@ +// bug 1183 from in the old tracker, not in Trac + +object Test { + + class Foo(j:Int) { + object Baz + class Bam + object Bar + case class Bar(i:Int) + } + + + class Test717 { + val foo1 = new Foo(1) + + def runTest() = { + val res = (foo1.Bar(2):Any) match { + case foo1.Bar(2) => true // (1) + } + require(res) + } + } + + // (2) + object Foo { + class Bar(val x : String) + class Baz + object Bam + object Bar + + def unapply(s : String) : Option[Bar] = Some(new Bar(s)) + } + +} diff --git a/tests/untried/neg/t1215.check b/tests/untried/neg/t1215.check new file mode 100644 index 000000000..1f9dd6bf3 --- /dev/null +++ b/tests/untried/neg/t1215.check @@ -0,0 +1,4 @@ +t1215.scala:2: error: value += is not a member of Int + val x = 1 += 1 + ^ +one error found diff --git a/tests/untried/neg/t1215.scala b/tests/untried/neg/t1215.scala new file mode 100644 index 000000000..0e994d06e --- /dev/null +++ b/tests/untried/neg/t1215.scala @@ -0,0 +1,3 @@ +object Test { + val x = 1 += 1 +} diff --git a/tests/untried/neg/t1224.check b/tests/untried/neg/t1224.check new file mode 100644 index 000000000..ab8a6f113 --- /dev/null +++ b/tests/untried/neg/t1224.check @@ -0,0 +1,4 @@ +t1224.scala:4: error: lower bound C[A.this.T] does not conform to upper bound C[C[A.this.T]] + type T >: C[T] <: C[C[T]] + ^ +one error found diff --git a/tests/untried/neg/t1224.flags b/tests/untried/neg/t1224.flags new file mode 100644 index 000000000..ca20f5517 --- /dev/null +++ b/tests/untried/neg/t1224.flags @@ -0,0 +1 @@ +-Ybreak-cycles diff --git a/tests/untried/neg/t1224.scala b/tests/untried/neg/t1224.scala new file mode 100644 index 000000000..35e01fa37 --- /dev/null +++ b/tests/untried/neg/t1224.scala @@ -0,0 +1,5 @@ +trait C[T] {} + +abstract class A { + type T >: C[T] <: C[C[T]] +} diff --git a/tests/untried/neg/t1241.check b/tests/untried/neg/t1241.check new file mode 100644 index 000000000..e1ccf4172 --- /dev/null +++ b/tests/untried/neg/t1241.check @@ -0,0 +1,4 @@ +t1241.scala:5: error: class type required but AnyRef{def hello(): Unit} found + val x4 = new T { def hello() { println("4") } } // error! + ^ +one error found diff --git a/tests/untried/neg/t1241.scala b/tests/untried/neg/t1241.scala new file mode 100644 index 000000000..1956d1678 --- /dev/null +++ b/tests/untried/neg/t1241.scala @@ -0,0 +1,8 @@ +object test extends App { + // more.. + type T = { def hello() } + //val x4 = new AnyRef { def hello() { println("4") } } // ok! + val x4 = new T { def hello(): Unit = { println("4") } } // error! + x4.hello() + // more.. +} diff --git a/tests/untried/neg/t1275.check b/tests/untried/neg/t1275.check new file mode 100644 index 000000000..a930e25ab --- /dev/null +++ b/tests/untried/neg/t1275.check @@ -0,0 +1,6 @@ +t1275.scala:11: error: type mismatch; + found : xs.MyType[a] + required: s + = xs f + ^ +one error found diff --git a/tests/untried/neg/t1275.scala b/tests/untried/neg/t1275.scala new file mode 100644 index 000000000..d7513bf09 --- /dev/null +++ b/tests/untried/neg/t1275.scala @@ -0,0 +1,15 @@ +object Test { + trait Seq[+t] { + type MyType[+t] <: Seq[t] + + def f: MyType[t] + } + + // illegal abstract type member refinement: changes the arity of MyType + // the error is pretty strange, since the compiler forms the illegal type xs.MyType[a] anyway + def span[a, s <: Seq[a] { type MyType/*look ma, no type parameters!*/ <: s } ](xs: s): s + = xs f +// ^ +// found : xs.MyType[a] +// required: s +} diff --git a/tests/untried/neg/t1286.check b/tests/untried/neg/t1286.check new file mode 100644 index 000000000..912709613 --- /dev/null +++ b/tests/untried/neg/t1286.check @@ -0,0 +1,5 @@ +b.scala:1: error: Companions 'trait Foo' and 'object Foo' must be defined in same file: + Found in t1286/a.scala and t1286/b.scala +object Foo extends Foo { + ^ +one error found diff --git a/tests/untried/neg/t1286/a.scala b/tests/untried/neg/t1286/a.scala new file mode 100644 index 000000000..85ffe3bb5 --- /dev/null +++ b/tests/untried/neg/t1286/a.scala @@ -0,0 +1,3 @@ +trait Foo { + def jump = Foo.x +} diff --git a/tests/untried/neg/t1286/b.scala b/tests/untried/neg/t1286/b.scala new file mode 100644 index 000000000..48f3b440c --- /dev/null +++ b/tests/untried/neg/t1286/b.scala @@ -0,0 +1,3 @@ +object Foo extends Foo { + val x = "x" +} diff --git a/tests/untried/neg/t1355.check b/tests/untried/neg/t1355.check new file mode 100644 index 000000000..f9786e927 --- /dev/null +++ b/tests/untried/neg/t1355.check @@ -0,0 +1,4 @@ +t1355.scala:1: error: type arguments [A[T]] do not conform to trait A's type parameter bounds [T <: A[A[T]]] +trait A[T <: A[A[T]]] + ^ +one error found diff --git a/tests/untried/neg/t1355.scala b/tests/untried/neg/t1355.scala new file mode 100644 index 000000000..3abb3c70c --- /dev/null +++ b/tests/untried/neg/t1355.scala @@ -0,0 +1 @@ +trait A[T <: A[A[T]]] diff --git a/tests/untried/neg/t1364.check b/tests/untried/neg/t1364.check new file mode 100644 index 000000000..cb8803abd --- /dev/null +++ b/tests/untried/neg/t1364.check @@ -0,0 +1,5 @@ +t1364.scala:9: error: overriding type T in trait A with bounds <: AnyRef{type S[-U]}; + type T has incompatible type + type T = { type S[U] = U } + ^ +one error found diff --git a/tests/untried/neg/t1364.scala b/tests/untried/neg/t1364.scala new file mode 100644 index 000000000..dbc7dcf99 --- /dev/null +++ b/tests/untried/neg/t1364.scala @@ -0,0 +1,15 @@ +trait A { + type T <: { type S[-U] } + val x : T + def y : x.S[AnyRef] + def z : x.S[String] = y +} + +object B extends A { + type T = { type S[U] = U } + val x : T = null + def y : x.S[AnyRef] = new AnyRef + def t : String = z +} + +// println(B.t) diff --git a/tests/untried/neg/t1371.check b/tests/untried/neg/t1371.check new file mode 100644 index 000000000..f2e9ffebe --- /dev/null +++ b/tests/untried/neg/t1371.check @@ -0,0 +1,4 @@ +t1371.scala:1: error: unbound wildcard type +trait A[T <: (_)] + ^ +one error found diff --git a/tests/untried/neg/t1371.scala b/tests/untried/neg/t1371.scala new file mode 100644 index 000000000..4ad84a9d5 --- /dev/null +++ b/tests/untried/neg/t1371.scala @@ -0,0 +1,2 @@ +trait A[T <: (_)] + diff --git a/tests/untried/neg/t1422.check b/tests/untried/neg/t1422.check new file mode 100644 index 000000000..362d7ef36 --- /dev/null +++ b/tests/untried/neg/t1422.check @@ -0,0 +1,7 @@ +t1422.scala:1: error: private[this] not allowed for case class parameters +case class A(private[this] val foo:String) { } + ^ +t1422.scala:1: error: value foo in class A cannot be accessed in A +case class A(private[this] val foo:String) { } + ^ +two errors found diff --git a/tests/untried/neg/t1422.scala b/tests/untried/neg/t1422.scala new file mode 100644 index 000000000..af308244c --- /dev/null +++ b/tests/untried/neg/t1422.scala @@ -0,0 +1 @@ +case class A(private[this] val foo:String) { } diff --git a/tests/untried/neg/t1431.check b/tests/untried/neg/t1431.check new file mode 100644 index 000000000..a17ba7324 --- /dev/null +++ b/tests/untried/neg/t1431.check @@ -0,0 +1,4 @@ +t1431.scala:8: error: class type required but X#Factory found + def fun[X<:MyTrait with Singleton]() = new X#Factory().value + ^ +one error found diff --git a/tests/untried/neg/t1431.scala b/tests/untried/neg/t1431.scala new file mode 100644 index 000000000..aff1dbc01 --- /dev/null +++ b/tests/untried/neg/t1431.scala @@ -0,0 +1,10 @@ +object Bug_New { + trait MyTrait { + type Alpha + def the_value : Alpha + class Factory() {def value : Alpha = the_value} + } + + def fun[X<:MyTrait with Singleton]() = new X#Factory().value +} + diff --git a/tests/untried/neg/t1432.check b/tests/untried/neg/t1432.check new file mode 100644 index 000000000..e41f3453f --- /dev/null +++ b/tests/untried/neg/t1432.check @@ -0,0 +1,8 @@ +t1432.scala:12: error: type mismatch; + found : (Int, Bug_NoUnique.Alias2[Bug_NoUnique.Wrap[Unit]] => Double) + (which expands to) (Int, Bug_NoUnique.Wrap[Bug_NoUnique.Wrap[Unit]] => Double) + required: Bug_NoUnique.TypeCon[Unit] + (which expands to) (Int, Unit => Double) + def test(x : TypeCon[Wrap[Unit]]) : TypeCon[Unit] = wrap(x) + ^ +one error found diff --git a/tests/untried/neg/t1432.scala b/tests/untried/neg/t1432.scala new file mode 100644 index 000000000..bdf233128 --- /dev/null +++ b/tests/untried/neg/t1432.scala @@ -0,0 +1,14 @@ +object Bug_NoUnique { + + type TypeCon[Env] = (Int, Env=>Double) + + case class Wrap[E](parent:E) {} + + type Alias2[E] = Wrap[E] + + def wrap[E,A,Y](v : (A,E=>Y)) : (A,Alias2[E]=>Y) = + throw new Error("Body here") + + def test(x : TypeCon[Wrap[Unit]]) : TypeCon[Unit] = wrap(x) +} + diff --git a/tests/untried/neg/t1477.check b/tests/untried/neg/t1477.check new file mode 100644 index 000000000..72bffa327 --- /dev/null +++ b/tests/untried/neg/t1477.check @@ -0,0 +1,5 @@ +t1477.scala:13: error: overriding type V in trait C with bounds <: Middle.this.D; + type V is a volatile type; cannot override a type with non-volatile upper bound + type V <: (D with U) + ^ +one error found diff --git a/tests/untried/neg/t1477.scala b/tests/untried/neg/t1477.scala new file mode 100644 index 000000000..a9a6d678c --- /dev/null +++ b/tests/untried/neg/t1477.scala @@ -0,0 +1,25 @@ +object Test extends App { + trait A + trait B extends A + + trait C { + type U + trait D { type T >: B <: A } + type V <: D + val y: V#T = new B { } + } + + trait Middle extends C { + type V <: (D with U) + } + + class D extends Middle { + trait E + trait F { type T = E } + type U = F + def frob(arg : E) : E = arg + frob(y) + } + + new D +} diff --git a/tests/untried/neg/t1503.check b/tests/untried/neg/t1503.check new file mode 100644 index 000000000..7adeea20f --- /dev/null +++ b/tests/untried/neg/t1503.check @@ -0,0 +1,8 @@ +t1503.scala:7: warning: The value matched by Whatever is bound to n, which may be used under the +unsound assumption that it has type Whatever.type, whereas we can only safely +count on it having type Any, as the pattern is matched using `==` (see SI-1503). + def matchWhateverCCE(x: Any) = x match { case n @ Whatever => n } + ^ +error: No warnings can be incurred under -Xfatal-warnings. +one warning found +one error found diff --git a/tests/untried/neg/t1503.flags b/tests/untried/neg/t1503.flags new file mode 100644 index 000000000..e93641e93 --- /dev/null +++ b/tests/untried/neg/t1503.flags @@ -0,0 +1 @@ +-Xlint -Xfatal-warnings
\ No newline at end of file diff --git a/tests/untried/neg/t1503.scala b/tests/untried/neg/t1503.scala new file mode 100644 index 000000000..e17248575 --- /dev/null +++ b/tests/untried/neg/t1503.scala @@ -0,0 +1,8 @@ +object Whatever { + override def equals(x: Any) = true +} + +class Test { + // when left to its own devices, and not under -Xfuture, the return type is Whatever.type + def matchWhateverCCE(x: Any) = x match { case n @ Whatever => n } +} diff --git a/tests/untried/neg/t1523.check b/tests/untried/neg/t1523.check new file mode 100644 index 000000000..d2489f260 --- /dev/null +++ b/tests/untried/neg/t1523.check @@ -0,0 +1,4 @@ +t1523.scala:4: error: too many arguments for method bug: (x: Any)Any + def go() = bug("a", "a", "a", "a", "a", "a", "a", "a", "a", "a", "a", "a", "a", "a", "a", "a", "a", "a", "a", "a", "a", "a", "a", "a", "a", "a") + ^ +one error found diff --git a/tests/untried/neg/t1523.scala b/tests/untried/neg/t1523.scala new file mode 100644 index 000000000..219fb0c06 --- /dev/null +++ b/tests/untried/neg/t1523.scala @@ -0,0 +1,5 @@ +object test { + def bug(x: Any) = x + + def go() = bug("a", "a", "a", "a", "a", "a", "a", "a", "a", "a", "a", "a", "a", "a", "a", "a", "a", "a", "a", "a", "a", "a", "a", "a", "a", "a") +} diff --git a/tests/untried/neg/t1548.check b/tests/untried/neg/t1548.check new file mode 100644 index 000000000..7f5a3f44e --- /dev/null +++ b/tests/untried/neg/t1548.check @@ -0,0 +1,4 @@ +S.scala:2: error: method defaultMethod overrides nothing + override def defaultMethod = "Boo!" + ^ +one error found diff --git a/tests/untried/neg/t1548/J.java b/tests/untried/neg/t1548/J.java new file mode 100644 index 000000000..01dd56d34 --- /dev/null +++ b/tests/untried/neg/t1548/J.java @@ -0,0 +1,12 @@ +package javapkg; + +public class J { + + String defaultMethod() { + return "foo"; + } + + public String toString() { + return "JavaClass: "+defaultMethod(); + } +}
\ No newline at end of file diff --git a/tests/untried/neg/t1548/S.scala b/tests/untried/neg/t1548/S.scala new file mode 100644 index 000000000..086b78029 --- /dev/null +++ b/tests/untried/neg/t1548/S.scala @@ -0,0 +1,3 @@ +class ScalaClass extends javapkg.J { + override def defaultMethod = "Boo!" +} diff --git a/tests/untried/neg/t1623.check b/tests/untried/neg/t1623.check new file mode 100644 index 000000000..251039ad3 --- /dev/null +++ b/tests/untried/neg/t1623.check @@ -0,0 +1,4 @@ +t1623.scala:11: error: class BImpl cannot be instantiated because it does not conform to its self-type test.BImpl with test.A + val b = new BImpl + ^ +one error found diff --git a/tests/untried/neg/t1623.scala b/tests/untried/neg/t1623.scala new file mode 100644 index 000000000..f5189aa4c --- /dev/null +++ b/tests/untried/neg/t1623.scala @@ -0,0 +1,12 @@ +package test + +trait A +trait B + +class BImpl extends B { + this: A => +} + +object Test2 extends App { + val b = new BImpl +} diff --git a/tests/untried/neg/t1672b.check b/tests/untried/neg/t1672b.check new file mode 100644 index 000000000..60ccf7717 --- /dev/null +++ b/tests/untried/neg/t1672b.check @@ -0,0 +1,16 @@ +t1672b.scala:3: error: could not optimize @tailrec annotated method bar: it contains a recursive call not in tail position + def bar : Nothing = { + ^ +t1672b.scala:14: error: could not optimize @tailrec annotated method baz: it contains a recursive call not in tail position + def baz : Nothing = { + ^ +t1672b.scala:29: error: could not optimize @tailrec annotated method boz: it contains a recursive call not in tail position + case _: Throwable => boz; ??? + ^ +t1672b.scala:34: error: could not optimize @tailrec annotated method bez: it contains a recursive call not in tail position + def bez : Nothing = { + ^ +t1672b.scala:46: error: could not optimize @tailrec annotated method bar: it contains a recursive call not in tail position + else 1 + (try { + ^ +5 errors found diff --git a/tests/untried/neg/t1672b.scala b/tests/untried/neg/t1672b.scala new file mode 100644 index 000000000..0ccdd0363 --- /dev/null +++ b/tests/untried/neg/t1672b.scala @@ -0,0 +1,52 @@ +object Test { + @annotation.tailrec + def bar : Nothing = { + try { + throw new RuntimeException + } catch { + case _: Throwable => bar + } finally { + bar + } + } + + @annotation.tailrec + def baz : Nothing = { + try { + throw new RuntimeException + } catch { + case _: Throwable => baz + } finally { + ??? + } + } + + @annotation.tailrec + def boz : Nothing = { + try { + throw new RuntimeException + } catch { + case _: Throwable => boz; ??? + } + } + + @annotation.tailrec + def bez : Nothing = { + try { + bez + } finally { + ??? + } + } + + // the `liftedTree` local method will prevent a tail call here. + @annotation.tailrec + def bar(i : Int) : Int = { + if (i == 0) 0 + else 1 + (try { + throw new RuntimeException + } catch { + case _: Throwable => bar(i - 1) + }) + } +} diff --git a/tests/untried/neg/t1701.check b/tests/untried/neg/t1701.check new file mode 100644 index 000000000..d603e62e5 --- /dev/null +++ b/tests/untried/neg/t1701.check @@ -0,0 +1,4 @@ +t1701.scala:1: error: Cloneable does not take type parameters +class A extends java.lang.Cloneable[String, Option, Int] + ^ +one error found diff --git a/tests/untried/neg/t1701.scala b/tests/untried/neg/t1701.scala new file mode 100644 index 000000000..7cd6ff995 --- /dev/null +++ b/tests/untried/neg/t1701.scala @@ -0,0 +1 @@ +class A extends java.lang.Cloneable[String, Option, Int] diff --git a/tests/untried/neg/t1705.check b/tests/untried/neg/t1705.check new file mode 100644 index 000000000..7f75bd0fb --- /dev/null +++ b/tests/untried/neg/t1705.check @@ -0,0 +1,7 @@ +t1705.scala:9: error: can't existentially abstract over parameterized type this.T[Z] + val c = new C{ + ^ +t1705.scala:14: error: can't existentially abstract over parameterized type C[String] + val x1 = { + ^ +two errors found diff --git a/tests/untried/neg/t1705.scala b/tests/untried/neg/t1705.scala new file mode 100644 index 000000000..fabdca0ec --- /dev/null +++ b/tests/untried/neg/t1705.scala @@ -0,0 +1,35 @@ +package trials +object crashing { + trait C { + abstract class T[A] { + def f[Z] (a:T[Z]) : T[A] + } + } + abstract class Thing { + val c = new C{ + class T[A](a:A) { + def f[Z](t:T[Z]) = new T(a) + } + } + val x1 = { + class C[T] { val x: T } + new C[String] + } + } +} +/* + +Infinite loop in Typer.addLocals. Printing all calls to it: + +addLocals: Unit +addLocals: this.T[A] +addLocals: java.lang.Object with crashing.C{ ... } +addLocals: >: Nothing <: java.lang.Object with crashing.C{type T[A] <: java.lang.Object with ScalaObject{def f[Z](this.T[Z]): this.T[A]}} +addLocals: >: Nothing <: java.lang.Object with ScalaObject{def f[Z](this.T[Z]): this.T[Z]} +addLocals: >: Nothing <: java.lang.Object with ScalaObject{def f[Z](this.T[Z]): this.T[Z]} +addLocals: >: Nothing <: java.lang.Object with ScalaObject{def f[Z](this.T[Z]): this.T[Z]} +[...] +* + C { type T[A] <: { def f[Z]: T[Z] => T[A] } } + +*/ diff --git a/tests/untried/neg/t1838.check b/tests/untried/neg/t1838.check new file mode 100644 index 000000000..a476158c7 --- /dev/null +++ b/tests/untried/neg/t1838.check @@ -0,0 +1,7 @@ +t1838.scala:6: error: `sealed' modifier can be used only for classes + sealed val v = 0 + ^ +t1838.scala:5: error: `sealed' modifier can be used only for classes + sealed def f = 0 + ^ +two errors found diff --git a/tests/untried/neg/t1838.scala b/tests/untried/neg/t1838.scala new file mode 100644 index 000000000..36eeb4050 --- /dev/null +++ b/tests/untried/neg/t1838.scala @@ -0,0 +1,7 @@ +package test + +class A { + sealed class B + sealed def f = 0 + sealed val v = 0 +} diff --git a/tests/untried/neg/t1845.check b/tests/untried/neg/t1845.check new file mode 100644 index 000000000..a6c82f565 --- /dev/null +++ b/tests/untried/neg/t1845.check @@ -0,0 +1,6 @@ +t1845.scala:6: error: encountered unrecoverable cycle resolving import. +Note: this is often due in part to a class depending on a definition nested within its companion. +If applicable, you may wish to try moving some members into another object. + import lexical._ + ^ +one error found diff --git a/tests/untried/neg/t1845.scala b/tests/untried/neg/t1845.scala new file mode 100644 index 000000000..4d3966484 --- /dev/null +++ b/tests/untried/neg/t1845.scala @@ -0,0 +1,10 @@ +class Tokens { abstract class Token } +trait TokenParsers { val lexical: Tokens } + + +class MyTokenParsers extends TokenParsers { + import lexical._ + + + val lexical = new Tokens +} diff --git a/tests/untried/neg/t1872.check b/tests/untried/neg/t1872.check new file mode 100644 index 000000000..c5dc2a808 --- /dev/null +++ b/tests/untried/neg/t1872.check @@ -0,0 +1,8 @@ +t1872.scala:3: warning: fruitless type test: a value of type Int cannot also be a scala.util.Random + def f(x: Int) = x.isInstanceOf[util.Random] + ^ +t1872.scala:3: error: isInstanceOf cannot test if value types are references. + def f(x: Int) = x.isInstanceOf[util.Random] + ^ +one warning found +one error found diff --git a/tests/untried/neg/t1872.scala b/tests/untried/neg/t1872.scala new file mode 100644 index 000000000..f3c265304 --- /dev/null +++ b/tests/untried/neg/t1872.scala @@ -0,0 +1,4 @@ +class A { + // a true result here would necessitate profound soul searching + def f(x: Int) = x.isInstanceOf[util.Random] +} diff --git a/tests/untried/neg/t1878.check b/tests/untried/neg/t1878.check new file mode 100644 index 000000000..581437551 --- /dev/null +++ b/tests/untried/neg/t1878.check @@ -0,0 +1,7 @@ +t1878.scala:3: error: bad simple pattern: bad use of _* (a sequence pattern must be the last pattern) + val err1 = "" match { case Seq(f @ _*, ',') => f } + ^ +t1878.scala:9: error: bad simple pattern: bad use of _* (a sequence pattern must be the last pattern) + val List(List(_*, arg2), _) = List(List(1,2,3), List(4,5,6)) + ^ +two errors found diff --git a/tests/untried/neg/t1878.scala b/tests/untried/neg/t1878.scala new file mode 100644 index 000000000..b29186afc --- /dev/null +++ b/tests/untried/neg/t1878.scala @@ -0,0 +1,17 @@ +object Test extends App { + // illegal + val err1 = "" match { case Seq(f @ _*, ',') => f } + + // no error + val List(List(arg1, _*), _) = List(List(1,2,3), List(4,5,6)) + + // illegal + val List(List(_*, arg2), _) = List(List(1,2,3), List(4,5,6)) + + /* see t1878-typer.scala + // illegal - bug #1764 + null match { + case <p> { _* } </p> => + } + */ +} diff --git a/tests/untried/neg/t1909-object.check b/tests/untried/neg/t1909-object.check new file mode 100644 index 000000000..401c1f7eb --- /dev/null +++ b/tests/untried/neg/t1909-object.check @@ -0,0 +1,4 @@ +t1909-object.scala:4: error: !!! SI-1909 Unable to STATICally lift object InnerTrouble$1, which is defined in the self- or super-constructor call of class Kaboom. A VerifyError is likely. + object InnerTrouble + ^ +one error found diff --git a/tests/untried/neg/t1909-object.flags b/tests/untried/neg/t1909-object.flags new file mode 100644 index 000000000..eb8b40661 --- /dev/null +++ b/tests/untried/neg/t1909-object.flags @@ -0,0 +1 @@ +-Xdev -Xfatal-warnings
\ No newline at end of file diff --git a/tests/untried/neg/t1909-object.scala b/tests/untried/neg/t1909-object.scala new file mode 100644 index 000000000..5bb58419b --- /dev/null +++ b/tests/untried/neg/t1909-object.scala @@ -0,0 +1,12 @@ +class Kaboom(a: Any) { + def this() = { + this({ + object InnerTrouble + InnerTrouble + }) + } +} + +object Test extends App { + new Kaboom() +} diff --git a/tests/untried/neg/t1909b.check b/tests/untried/neg/t1909b.check new file mode 100644 index 000000000..9a683643a --- /dev/null +++ b/tests/untried/neg/t1909b.check @@ -0,0 +1,4 @@ +t1909b.scala:4: error: this can be used only in a class, object, or template + def bar() = this.z + 5 + ^ +one error found diff --git a/tests/untried/neg/t1909b.scala b/tests/untried/neg/t1909b.scala new file mode 100644 index 000000000..637fa9619 --- /dev/null +++ b/tests/untried/neg/t1909b.scala @@ -0,0 +1,7 @@ +class Ticket1909 (x: Int) { + var z = 12 + def this() = this({ + def bar() = this.z + 5 + bar + }) +} diff --git a/tests/untried/neg/t1960.check b/tests/untried/neg/t1960.check new file mode 100644 index 000000000..5238141c4 --- /dev/null +++ b/tests/untried/neg/t1960.check @@ -0,0 +1,4 @@ +t1960.scala:5: error: parameter 'p' requires field but conflicts with method p in trait TBase +class Aclass (p: Int) extends TBase { def g() { f(p) } } + ^ +one error found diff --git a/tests/untried/neg/t1960.scala b/tests/untried/neg/t1960.scala new file mode 100644 index 000000000..ad9a96011 --- /dev/null +++ b/tests/untried/neg/t1960.scala @@ -0,0 +1,5 @@ +object ClassFormatErrorExample extends App { new Aclass(1) } + +trait TBase { var p:Int = 0; def f(p1: Int): Unit = {} } + +class Aclass (p: Int) extends TBase { def g(): Unit = { f(p) } } diff --git a/tests/untried/neg/t1980.check b/tests/untried/neg/t1980.check new file mode 100644 index 000000000..2fa27fa46 --- /dev/null +++ b/tests/untried/neg/t1980.check @@ -0,0 +1,12 @@ +t1980.scala:2: warning: by-name parameters will be evaluated eagerly when called as a right-associative infix operator. For more details, see SI-1980. + def op1_:(x: => Any) = () // warn + ^ +t1980.scala:3: warning: by-name parameters will be evaluated eagerly when called as a right-associative infix operator. For more details, see SI-1980. + def op2_:(x: Any, y: => Any) = () // warn + ^ +t1980.scala:4: warning: by-name parameters will be evaluated eagerly when called as a right-associative infix operator. For more details, see SI-1980. + def op3_:(x: Any, y: => Any)(a: Any) = () // warn + ^ +error: No warnings can be incurred under -Xfatal-warnings. +three warnings found +one error found diff --git a/tests/untried/neg/t1980.flags b/tests/untried/neg/t1980.flags new file mode 100644 index 000000000..7949c2afa --- /dev/null +++ b/tests/untried/neg/t1980.flags @@ -0,0 +1 @@ +-Xlint -Xfatal-warnings diff --git a/tests/untried/neg/t1980.scala b/tests/untried/neg/t1980.scala new file mode 100644 index 000000000..132865e69 --- /dev/null +++ b/tests/untried/neg/t1980.scala @@ -0,0 +1,9 @@ +object Test { + def op1_:(x: => Any) = () // warn + def op2_:(x: Any, y: => Any) = () // warn + def op3_:(x: Any, y: => Any)(a: Any) = () // warn + + def op4() = () // no warn + def op5(x: => Any) = () // no warn + def op6_:(x: Any)(a: => Any) = () // no warn +} diff --git a/tests/untried/neg/t200.check b/tests/untried/neg/t200.check new file mode 100644 index 000000000..b6b1a3226 --- /dev/null +++ b/tests/untried/neg/t200.check @@ -0,0 +1,5 @@ +t200.scala:7: error: method foo is defined twice + conflicting symbols both originated in file 't200.scala' + def foo: Int; + ^ +one error found diff --git a/tests/untried/neg/t200.scala b/tests/untried/neg/t200.scala new file mode 100644 index 000000000..692fe368e --- /dev/null +++ b/tests/untried/neg/t200.scala @@ -0,0 +1,8 @@ +trait X { + def foo: Int; +} + +trait Y extends X { + def foo: String; + def foo: Int; +} diff --git a/tests/untried/neg/t2031.check b/tests/untried/neg/t2031.check new file mode 100644 index 000000000..74aa6c9c0 --- /dev/null +++ b/tests/untried/neg/t2031.check @@ -0,0 +1,6 @@ +t2031.scala:8: error: polymorphic expression cannot be instantiated to expected type; + found : [A]scala.collection.mutable.Builder[A,scala.collection.immutable.TreeSet[A]] + required: scala.collection.generic.CanBuildFrom[scala.collection.immutable.TreeSet[Int],Int,?] + res0.map(x => x)(TreeSet.newBuilder) + ^ +one error found diff --git a/tests/untried/neg/t2031.scala b/tests/untried/neg/t2031.scala new file mode 100644 index 000000000..fde7a603f --- /dev/null +++ b/tests/untried/neg/t2031.scala @@ -0,0 +1,9 @@ +import scala.collection.immutable._ + +object Test extends App { + val res0 = TreeSet(1, 2, 3) + + //res0.map(x => x)(TreeSet.newBuilder[Int]) + + res0.map(x => x)(TreeSet.newBuilder) +} diff --git a/tests/untried/neg/t2066.check b/tests/untried/neg/t2066.check new file mode 100644 index 000000000..efade87e2 --- /dev/null +++ b/tests/untried/neg/t2066.check @@ -0,0 +1,21 @@ +t2066.scala:6: error: overriding method f in trait A1 of type [T[_]]=> Unit; + method f has incompatible type + override def f[T[+_]] = () + ^ +t2066.scala:10: error: overriding method f in trait A1 of type [T[_]]=> Unit; + method f has incompatible type + override def f[T[-_]] = () + ^ +t2066.scala:23: error: overriding method f in trait A2 of type [T[+_]]=> Unit; + method f has incompatible type + override def f[T[-_]] = () + ^ +t2066.scala:45: error: overriding method f in trait A4 of type [T[X[+_]]]=> Unit; + method f has incompatible type + override def f[T[X[_]]] = () + ^ +t2066.scala:53: error: overriding method f in trait A5 of type [T[X[-_]]]=> Unit; + method f has incompatible type + override def f[T[X[_]]] = () + ^ +5 errors found diff --git a/tests/untried/neg/t2066.scala b/tests/untried/neg/t2066.scala new file mode 100644 index 000000000..7f15d39c6 --- /dev/null +++ b/tests/untried/neg/t2066.scala @@ -0,0 +1,70 @@ +trait A1 { + def f[T[_]] = () +} + +trait B1 extends A1 { + override def f[T[+_]] = () +} + +trait C1 extends A1 { + override def f[T[-_]] = () +} + + +trait A2 { + def f[T[+_]] = () +} + +trait B2 extends A2 { + override def f[T[_]] = () // okay +} + +trait C2 extends A2 { + override def f[T[-_]] = () +} + + +trait A3 { + def f[T[-_]] = () +} + +trait B3 extends A3 { + override def f[T[_]] = () // okay +} + +trait C3 extends A3 { + override def f[T[-_]] = () +} + + +trait A4 { + def f[T[X[+_]]] = () +} + +trait B4 extends A4 { + override def f[T[X[_]]] = () +} + +trait A5 { + def f[T[X[-_]]] = () +} + +trait B5 extends A5 { + override def f[T[X[_]]] = () +} + + + +trait A6 { + def f[T[X[_]]] = () +} + +trait B6 extends A6 { + override def f[T[X[+_]]] = () // okay +} +trait C6 extends A6 { + override def f[T[X[_]]] = () // okay +} +trait D6 extends A6 { + override def f[T[X[-_]]] = () +} diff --git a/tests/untried/neg/t2066b.check b/tests/untried/neg/t2066b.check new file mode 100644 index 000000000..097c44fef --- /dev/null +++ b/tests/untried/neg/t2066b.check @@ -0,0 +1,5 @@ +t2066b.scala:7: error: overriding method f in trait A of type [T[_]](x: T[Int])T[Any]; + method f has incompatible type + def f[T[+_]](x : T[Int]) : T[Any] = x + ^ +one error found diff --git a/tests/untried/neg/t2066b.scala b/tests/untried/neg/t2066b.scala new file mode 100644 index 000000000..2f8ffde14 --- /dev/null +++ b/tests/untried/neg/t2066b.scala @@ -0,0 +1,16 @@ +object Test extends App { + trait A { + def f[T[_]](x : T[Int]) : T[Any] + } + + class B extends A { + def f[T[+_]](x : T[Int]) : T[Any] = x + } + + class P[Y](var y : Y) + + val p = new P(1) + val palias = (new B():A).f[P](p) + palias.y = "hello" + val z: Int = p.y +} diff --git a/tests/untried/neg/t2070.check b/tests/untried/neg/t2070.check new file mode 100644 index 000000000..ef1d08f7b --- /dev/null +++ b/tests/untried/neg/t2070.check @@ -0,0 +1,6 @@ +t2070.scala:8: error: The kind of trait T does not conform to the expected kind of type T[X] in trait A. +t2070.B.T's type parameters do not match type T's expected parameters: +type X (in object B) has one type parameter, but type X (in trait A) has none + trait T[X[_]] + ^ +one error found diff --git a/tests/untried/neg/t2070.scala b/tests/untried/neg/t2070.scala new file mode 100644 index 000000000..c810568ed --- /dev/null +++ b/tests/untried/neg/t2070.scala @@ -0,0 +1,10 @@ +object t2070 { + trait A { + type T[X] + def f(x : T[Int]) = x + } + + object B extends A { + trait T[X[_]] + } +} diff --git a/tests/untried/neg/t2078.check b/tests/untried/neg/t2078.check new file mode 100644 index 000000000..00bb323a0 --- /dev/null +++ b/tests/untried/neg/t2078.check @@ -0,0 +1,4 @@ +t2078.scala:2: error: contravariant type S occurs in covariant position in type => AnyRef{val x: S} of value f + val f = new { val x = y } + ^ +one error found diff --git a/tests/untried/neg/t2078.scala b/tests/untried/neg/t2078.scala new file mode 100644 index 000000000..342ba088c --- /dev/null +++ b/tests/untried/neg/t2078.scala @@ -0,0 +1,9 @@ +class A[-S](y : S) { + val f = new { val x = y } +} + +object Test extends App { + val a = new A(1) + val b = a : A[Nothing] + println(b.f.x) +} diff --git a/tests/untried/neg/t2102.check b/tests/untried/neg/t2102.check new file mode 100644 index 000000000..b4f91a531 --- /dev/null +++ b/tests/untried/neg/t2102.check @@ -0,0 +1,6 @@ +t2102.scala:2: error: type mismatch; + found : java.util.Iterator[Int] + required: scala.collection.Iterator[_] + val x: Iterator[_] = new java.util.ArrayList[Int]().iterator + ^ +one error found diff --git a/tests/untried/neg/t2102.scala b/tests/untried/neg/t2102.scala new file mode 100644 index 000000000..9c3703903 --- /dev/null +++ b/tests/untried/neg/t2102.scala @@ -0,0 +1,3 @@ +object Test { + val x: Iterator[_] = new java.util.ArrayList[Int]().iterator +} diff --git a/tests/untried/neg/t2139.check b/tests/untried/neg/t2139.check new file mode 100644 index 000000000..e26f29076 --- /dev/null +++ b/tests/untried/neg/t2139.check @@ -0,0 +1,6 @@ +t2139.scala:13: error: type mismatch; + found : Int(4) + required: Nothing + val z:Int=(u.f _)(4) + ^ +one error found diff --git a/tests/untried/neg/t2139.scala b/tests/untried/neg/t2139.scala new file mode 100644 index 000000000..316c0d441 --- /dev/null +++ b/tests/untried/neg/t2139.scala @@ -0,0 +1,15 @@ +/* + NOTE: if inference is changed so that + T is inferred to be Int, rather than Nothing, + the piece of code below will start to compile OK. + In that case, see ticket #2139, and make sure that + the generated code will no longer crash! +*/ +class U { + def f[T](x:T):T=x +} +object H extends App { + val u=new U + val z:Int=(u.f _)(4) + println("done") +} diff --git a/tests/untried/neg/t2144.check b/tests/untried/neg/t2144.check new file mode 100644 index 000000000..670e188c2 --- /dev/null +++ b/tests/untried/neg/t2144.check @@ -0,0 +1,4 @@ +t2144.scala:2: error: Parameter type in structural refinement may not refer to an abstract type defined outside that refinement + def foo[A](a: A) = new { def bar(x: A): A = x } + ^ +one error found diff --git a/tests/untried/neg/t2144.scala b/tests/untried/neg/t2144.scala new file mode 100644 index 000000000..af9a5e166 --- /dev/null +++ b/tests/untried/neg/t2144.scala @@ -0,0 +1,3 @@ +object Test { + def foo[A](a: A) = new { def bar(x: A): A = x } +} diff --git a/tests/untried/neg/t2148.check b/tests/untried/neg/t2148.check new file mode 100644 index 000000000..27b5dce50 --- /dev/null +++ b/tests/untried/neg/t2148.check @@ -0,0 +1,4 @@ +t2148.scala:9: error: A is not a legal prefix for a constructor + val b = new A with A#A1 + ^ +one error found diff --git a/tests/untried/neg/t2148.scala b/tests/untried/neg/t2148.scala new file mode 100644 index 000000000..897f1457b --- /dev/null +++ b/tests/untried/neg/t2148.scala @@ -0,0 +1,10 @@ +class A { + var i = 0 + trait A1 extends A { + i += 1 + } +} + +object Bob { + val b = new A with A#A1 +} diff --git a/tests/untried/neg/t2180.check b/tests/untried/neg/t2180.check new file mode 100644 index 000000000..addc4cfbb --- /dev/null +++ b/tests/untried/neg/t2180.check @@ -0,0 +1,6 @@ +t2180.scala:3: error: type mismatch; + found : List[Any] + required: List[Mxml] + children.toList.flatMap ( e => { + ^ +one error found diff --git a/tests/untried/neg/t2180.scala b/tests/untried/neg/t2180.scala new file mode 100644 index 000000000..54a9e49c1 --- /dev/null +++ b/tests/untried/neg/t2180.scala @@ -0,0 +1,9 @@ +class Mxml { + private def processChildren( children:Seq[Any] ):List[Mxml] = { + children.toList.flatMap ( e => { + e match { + case s:scala.collection.Traversable[_] => s case a => List(a) + } + }) + } +} diff --git a/tests/untried/neg/t2206.check b/tests/untried/neg/t2206.check new file mode 100644 index 000000000..766f35d93 --- /dev/null +++ b/tests/untried/neg/t2206.check @@ -0,0 +1,5 @@ +t2206.scala:10: error: value f is not a member of o.A + Note: implicit method ax is not applicable here because it comes after the application point and it lacks an explicit result type + a.f() + ^ +one error found diff --git a/tests/untried/neg/t2206.scala b/tests/untried/neg/t2206.scala new file mode 100644 index 000000000..529f5030b --- /dev/null +++ b/tests/untried/neg/t2206.scala @@ -0,0 +1,15 @@ +object o { + class A + + class AX { + def f(): Unit = { } + } + + import Implicits._ + val a = new A + a.f() + + object Implicits { + implicit def ax(a: A) = new AX + } +} diff --git a/tests/untried/neg/t2208.check b/tests/untried/neg/t2208.check new file mode 100644 index 000000000..64bb3a77c --- /dev/null +++ b/tests/untried/neg/t2208.check @@ -0,0 +1,4 @@ +t2208.scala:7: error: type arguments [Any] do not conform to type Alias's type parameter bounds [X <: Test.A] + class C extends Alias[Any] // not ok, normalisation should check bounds before expanding Alias + ^ +one error found diff --git a/tests/untried/neg/t2208.scala b/tests/untried/neg/t2208.scala new file mode 100644 index 000000000..53165cc81 --- /dev/null +++ b/tests/untried/neg/t2208.scala @@ -0,0 +1,8 @@ +object Test { + class A + + class B[X] + type Alias[X <: A] = B[X] + + class C extends Alias[Any] // not ok, normalisation should check bounds before expanding Alias +} diff --git a/tests/untried/neg/t2213.check b/tests/untried/neg/t2213.check new file mode 100644 index 000000000..9fb3bb2eb --- /dev/null +++ b/tests/untried/neg/t2213.check @@ -0,0 +1,25 @@ +t2213.scala:9: error: class C needs to be abstract, since: +it has 4 unimplemented members. +/** As seen from class C, the missing signatures are as follows. + * For convenience, these are usable as stub implementations. + */ + def f: Int = ??? + def g: Int = ??? + val x: Int = ??? + val y: Int = ??? + +class C extends A {} + ^ +t2213.scala:11: error: object creation impossible, since: +it has 4 unimplemented members. +/** As seen from object Q, the missing signatures are as follows. + * For convenience, these are usable as stub implementations. + */ + def f: Int = ??? + def g: Int = ??? + val x: Int = ??? + val y: Int = ??? + +object Q extends A { } + ^ +two errors found diff --git a/tests/untried/neg/t2213.scala b/tests/untried/neg/t2213.scala new file mode 100644 index 000000000..61050906f --- /dev/null +++ b/tests/untried/neg/t2213.scala @@ -0,0 +1,11 @@ +abstract class A { + def f: Int + def g: Int + + val x: Int + val y: Int +} + +class C extends A {} + +object Q extends A { } diff --git a/tests/untried/neg/t2275a.check b/tests/untried/neg/t2275a.check new file mode 100644 index 000000000..cd3c868e7 --- /dev/null +++ b/tests/untried/neg/t2275a.check @@ -0,0 +1,13 @@ +t2275a.scala:4: error: in XML literal: in XML content, please use '}}' to express '}' + }else{ + ^ +t2275a.scala:3: error: I encountered a '}' where I didn't expect one, maybe this tag isn't closed <br> + <br> + ^ +t2275a.scala:4: error: ';' expected but 'else' found. + }else{ + ^ +t2275a.scala:7: error: '}' expected but eof found. +} + ^ +four errors found diff --git a/tests/untried/neg/t2275a.scala b/tests/untried/neg/t2275a.scala new file mode 100644 index 000000000..7f2b803da --- /dev/null +++ b/tests/untried/neg/t2275a.scala @@ -0,0 +1,7 @@ +object Test { + if(true) { + <br> + }else{ + <span>{"louenesee"}</span> + } +} diff --git a/tests/untried/neg/t2275b.check b/tests/untried/neg/t2275b.check new file mode 100644 index 000000000..43e34cc4d --- /dev/null +++ b/tests/untried/neg/t2275b.check @@ -0,0 +1,10 @@ +t2275b.scala:2: error: in XML literal: in XML content, please use '}}' to express '}' + {<br>}xx + ^ +t2275b.scala:2: error: I encountered a '}' where I didn't expect one, maybe this tag isn't closed <br> + {<br>}xx + ^ +t2275b.scala:3: error: '}' expected but eof found. +} + ^ +three errors found diff --git a/tests/untried/neg/t2275b.scala b/tests/untried/neg/t2275b.scala new file mode 100644 index 000000000..312cba8d6 --- /dev/null +++ b/tests/untried/neg/t2275b.scala @@ -0,0 +1,3 @@ +object Test { + {<br>}xx +} diff --git a/tests/untried/neg/t2296a.check b/tests/untried/neg/t2296a.check new file mode 100644 index 000000000..863b86104 --- /dev/null +++ b/tests/untried/neg/t2296a.check @@ -0,0 +1,5 @@ +S.scala:6: error: Implementation restriction: trait S accesses protected method foo inside a concrete trait method. +Add an accessor in a class extending class J as a workaround. + foo() + ^ +one error found diff --git a/tests/untried/neg/t2296a/J.java b/tests/untried/neg/t2296a/J.java new file mode 100644 index 000000000..78ff3e980 --- /dev/null +++ b/tests/untried/neg/t2296a/J.java @@ -0,0 +1,7 @@ +package j; + +public class J { + protected void foo() { + System.out.println("J.foo()"); + } +}
\ No newline at end of file diff --git a/tests/untried/neg/t2296a/S.scala b/tests/untried/neg/t2296a/S.scala new file mode 100644 index 000000000..2b2e6cdda --- /dev/null +++ b/tests/untried/neg/t2296a/S.scala @@ -0,0 +1,18 @@ +package s { + import j.J + + trait S extends J { + def bar(): Unit = { + foo() + } + } + + class SC extends J with S +} + +object Test { + def main(args : Array[String]): Unit = { + (new s.SC).bar() + (new s.S { }).bar() + } +} diff --git a/tests/untried/neg/t2296b.check b/tests/untried/neg/t2296b.check new file mode 100644 index 000000000..07cc54d57 --- /dev/null +++ b/tests/untried/neg/t2296b.check @@ -0,0 +1,5 @@ +S_2.scala:6: error: Implementation restriction: trait S accesses protected method foo inside a concrete trait method. +Add an accessor in a class extending class J_1 as a workaround. + foo() + ^ +one error found diff --git a/tests/untried/neg/t2296b/J_1.java b/tests/untried/neg/t2296b/J_1.java new file mode 100644 index 000000000..4c91d4707 --- /dev/null +++ b/tests/untried/neg/t2296b/J_1.java @@ -0,0 +1,7 @@ +package j; + +public class J_1 { + protected void foo() { + System.out.println("J.foo()"); + } +}
\ No newline at end of file diff --git a/tests/untried/neg/t2296b/S_2.scala b/tests/untried/neg/t2296b/S_2.scala new file mode 100644 index 000000000..786ba0bfc --- /dev/null +++ b/tests/untried/neg/t2296b/S_2.scala @@ -0,0 +1,18 @@ +package s { + import j.J_1 + + trait S extends J_1 { + def bar(): Unit = { + foo() + } + } + + class SC extends J_1 with S +} + +object Test { + def main(args : Array[String]): Unit = { + (new s.SC).bar() + (new s.S { }).bar() + } +} diff --git a/tests/untried/neg/t2316.check b/tests/untried/neg/t2316.check new file mode 100644 index 000000000..fea174566 --- /dev/null +++ b/tests/untried/neg/t2316.check @@ -0,0 +1,7 @@ +t2316.scala:28: error: ambiguous implicit values: + both method T1FromT3 in object T1 of type (implicit t3: test.T3)test.T1 + and method T1FromT2 in object T1 of type (implicit t2: test.T2)test.T1 + match expected type test.T1 + val t1 = requireT1 + ^ +one error found diff --git a/tests/untried/neg/t2316.scala b/tests/untried/neg/t2316.scala new file mode 100644 index 000000000..bf4bb0ec6 --- /dev/null +++ b/tests/untried/neg/t2316.scala @@ -0,0 +1,43 @@ +object test { + case class T1(val source: String) + + + object T1 { + implicit def T1FromT2(implicit t2: T2): T1 = T1("implicit def T1FromT2") + implicit def T1FromT3(implicit t3: T3): T1 = T1("implicit def T1FromT3") + } + + trait T2 { + } + + object T2 { + implicit val t2: T2 = new T2 {} + } + + trait T3 + + def requireT1(implicit t1: T1) = t1 + + { + val t1 = requireT1 + assert(t1.source == "implicit def T1FromT2") + } + + { + implicit def t3: T3 = new T3 {} + val t1 = requireT1 + assert(t1.source == "implicit def T1FromT2") + + // Expected a compile error here, but because T1.T1FromT2(T2.t2) was cached as a non-local implicit + // expression for type T1, this is not checked! + // + // (fragment of implicit-cache-error2.scala):26: error: ambiguous implicit values: + // both method T1FromT3 in object T1 of type (implicit t3: this.T3)this.T1 + // and method T1FromT2 in object T1 of type (implicit t2: this.T2)this.T1 + // match expected type this.T1 + // val t1 = requireT1 + // ^ + // one error found + + } +} diff --git a/tests/untried/neg/t2336.check b/tests/untried/neg/t2336.check new file mode 100644 index 000000000..28acd4d17 --- /dev/null +++ b/tests/untried/neg/t2336.check @@ -0,0 +1,4 @@ +t2336.scala:6: error: Foo[Int] is not a legal prefix for a constructor + new Foo[Int]#Bar(0) + ^ +one error found diff --git a/tests/untried/neg/t2336.scala b/tests/untried/neg/t2336.scala new file mode 100755 index 000000000..4cea02b72 --- /dev/null +++ b/tests/untried/neg/t2336.scala @@ -0,0 +1,7 @@ +// we get now: t2336.scala:5: error: type Foo[Int] is not a stable prefix +class Foo[A] { + class Bar[B >: A](x: B) extends Foo[B] +} +object bug { + new Foo[Int]#Bar(0) +} diff --git a/tests/untried/neg/t2388.check b/tests/untried/neg/t2388.check new file mode 100644 index 000000000..3f97608a4 --- /dev/null +++ b/tests/untried/neg/t2388.check @@ -0,0 +1,4 @@ +t2388.scala:2: error: recursive method search needs result type + val searchField = new AnyRef { search() } + ^ +one error found diff --git a/tests/untried/neg/t2388.scala b/tests/untried/neg/t2388.scala new file mode 100644 index 000000000..3634f346f --- /dev/null +++ b/tests/untried/neg/t2388.scala @@ -0,0 +1,4 @@ +class Foo { + val searchField = new AnyRef { search() } + def search() = searchField +} diff --git a/tests/untried/neg/t2405.check b/tests/untried/neg/t2405.check new file mode 100644 index 000000000..78360bcc2 --- /dev/null +++ b/tests/untried/neg/t2405.check @@ -0,0 +1,8 @@ +t2405.scala:6: warning: imported `y' is permanently hidden by definition of method y + import A.{x => y} + ^ +t2405.scala:8: error: could not find implicit value for parameter e: Int + implicitly[Int] + ^ +one warning found +one error found diff --git a/tests/untried/neg/t2405.scala b/tests/untried/neg/t2405.scala new file mode 100644 index 000000000..6982285b9 --- /dev/null +++ b/tests/untried/neg/t2405.scala @@ -0,0 +1,10 @@ +object A { implicit val x: Int = 1 } + +// Expecting shadowing #1 +object Test2 { + { + import A.{x => y} + def y: Int = 0 + implicitly[Int] + } +} diff --git a/tests/untried/neg/t2416.check b/tests/untried/neg/t2416.check new file mode 100644 index 000000000..0899ad09d --- /dev/null +++ b/tests/untried/neg/t2416.check @@ -0,0 +1,10 @@ +t2416.scala:3: error: type arguments [Int] do not conform to trait A's type parameter bounds [X <: Double] + def x : A[Int]#B = 10 // no you won't + ^ +t2416.scala:8: error: type arguments [Boolean] do not conform to type B's type parameter bounds [Y <: Double] + def x : A#B[Boolean] = 10 // seriously? + ^ +t2416.scala:13: error: type arguments [String] do not conform to type B's type parameter bounds [Z <: Double] + type C[Z <: A] = Z#B[String] // nuh-uh! + ^ +three errors found diff --git a/tests/untried/neg/t2416.scala b/tests/untried/neg/t2416.scala new file mode 100644 index 000000000..6fd2ca229 --- /dev/null +++ b/tests/untried/neg/t2416.scala @@ -0,0 +1,14 @@ +object t2416a { + trait A[X <: Double] { type B = X } + def x : A[Int]#B = 10 // no you won't +} + +object t2416b { + trait A{type B[Y <: Double] = Int} + def x : A#B[Boolean] = 10 // seriously? +} + +object t2416c { + trait A{type B[Z <: Double] = Int} + type C[Z <: A] = Z#B[String] // nuh-uh! +} diff --git a/tests/untried/neg/t2421b.check b/tests/untried/neg/t2421b.check new file mode 100644 index 000000000..f666a7d9d --- /dev/null +++ b/tests/untried/neg/t2421b.check @@ -0,0 +1,4 @@ +t2421b.scala:12: error: could not find implicit value for parameter aa: Test.F[Test.A] + f + ^ +one error found
\ No newline at end of file diff --git a/tests/untried/neg/t2421b.scala b/tests/untried/neg/t2421b.scala new file mode 100644 index 000000000..4e23a74e8 --- /dev/null +++ b/tests/untried/neg/t2421b.scala @@ -0,0 +1,17 @@ +object Test { + class A + class B + class C + class F[X] + + def f(implicit aa: F[A]) = println(aa) + + // implicit def a : F[A] = new F[A]() + implicit def b[X <: B] = new F[X]() + + f +} + +/* bug: +error: type arguments [Test2.A] do not conform to method b's type parameter bounds [X <: Test2.B] +*/ diff --git a/tests/untried/neg/t2441.check b/tests/untried/neg/t2441.check new file mode 100644 index 000000000..6eaacd8fd --- /dev/null +++ b/tests/untried/neg/t2441.check @@ -0,0 +1,4 @@ +t2441.scala:12: error: private class Y escapes its defining scope as part of type Some[B.Y] + override def f = Some(new B.Y) + ^ +one error found diff --git a/tests/untried/neg/t2441.scala b/tests/untried/neg/t2441.scala new file mode 100644 index 000000000..6784ebb33 --- /dev/null +++ b/tests/untried/neg/t2441.scala @@ -0,0 +1,15 @@ +trait X +trait A { + def f: Option[X] + def g: Option[X] +} +object B { + private class Y extends X { val y = 42 } +} +class B extends A { + private class Bippy + + override def f = Some(new B.Y) + override def g: Option[X] = Some(new B.Y) +} + diff --git a/tests/untried/neg/t2442.check b/tests/untried/neg/t2442.check new file mode 100644 index 000000000..9ff0b4466 --- /dev/null +++ b/tests/untried/neg/t2442.check @@ -0,0 +1,11 @@ +t2442.scala:4: warning: match may not be exhaustive. +It would fail on the following input: THREE + def f(e: MyEnum) = e match { + ^ +t2442.scala:11: warning: match may not be exhaustive. +It would fail on the following input: BLUE + def g(e: MySecondEnum) = e match { + ^ +error: No warnings can be incurred under -Xfatal-warnings. +two warnings found +one error found diff --git a/tests/untried/neg/t2442.flags b/tests/untried/neg/t2442.flags new file mode 100644 index 000000000..e8fb65d50 --- /dev/null +++ b/tests/untried/neg/t2442.flags @@ -0,0 +1 @@ +-Xfatal-warnings
\ No newline at end of file diff --git a/tests/untried/neg/t2442/MyEnum.java b/tests/untried/neg/t2442/MyEnum.java new file mode 100644 index 000000000..3ffbbb31b --- /dev/null +++ b/tests/untried/neg/t2442/MyEnum.java @@ -0,0 +1,3 @@ +public enum MyEnum { + ONE, TWO, THREE; +}
\ No newline at end of file diff --git a/tests/untried/neg/t2442/MySecondEnum.java b/tests/untried/neg/t2442/MySecondEnum.java new file mode 100644 index 000000000..0f841286d --- /dev/null +++ b/tests/untried/neg/t2442/MySecondEnum.java @@ -0,0 +1,6 @@ +public enum MySecondEnum { + RED(1), BLUE(2) { public void foo() {} }; + MySecondEnum(int i) {} + + public void foo() {} +}
\ No newline at end of file diff --git a/tests/untried/neg/t2442/t2442.scala b/tests/untried/neg/t2442/t2442.scala new file mode 100644 index 000000000..305c9d624 --- /dev/null +++ b/tests/untried/neg/t2442/t2442.scala @@ -0,0 +1,15 @@ +class Test { + import MyEnum._ + + def f(e: MyEnum) = e match { + case ONE => println("one") + case TWO => println("two") + // missing case --> exhaustivity warning! + } + + import MySecondEnum._ + def g(e: MySecondEnum) = e match { + case RED => println("red") + // missing case --> exhaustivity warning! + } +} diff --git a/tests/untried/neg/t2462a.check b/tests/untried/neg/t2462a.check new file mode 100644 index 000000000..86d74b86d --- /dev/null +++ b/tests/untried/neg/t2462a.check @@ -0,0 +1,4 @@ +t2462a.scala:2: error: Cannot construct a collection of type List[String] with elements of type Int based on a collection of type List[Int]. + List(1,2,3).map[Int, List[String]](x => 1) + ^ +one error found diff --git a/tests/untried/neg/t2462a.scala b/tests/untried/neg/t2462a.scala new file mode 100644 index 000000000..5e49314d5 --- /dev/null +++ b/tests/untried/neg/t2462a.scala @@ -0,0 +1,3 @@ +object Test { + List(1,2,3).map[Int, List[String]](x => 1) +} diff --git a/tests/untried/neg/t2462b.check b/tests/untried/neg/t2462b.check new file mode 100644 index 000000000..b3b8007a9 --- /dev/null +++ b/tests/untried/neg/t2462b.check @@ -0,0 +1,11 @@ +t2462b.scala:6: warning: Invalid implicitNotFound message for trait Meh in package test: +The type parameters Too, Elem referenced in the message of the @implicitNotFound annotation are not defined by trait Meh. +trait Meh[-From, +To] + ^ +t2462b.scala:9: warning: Invalid implicitNotFound message for trait Meh2 in package test: +The type parameter Elem referenced in the message of the @implicitNotFound annotation is not defined by trait Meh2. +trait Meh2[-From, +To] + ^ +error: No warnings can be incurred under -Xfatal-warnings. +two warnings found +one error found diff --git a/tests/untried/neg/t2462b.flags b/tests/untried/neg/t2462b.flags new file mode 100644 index 000000000..85d8eb2ba --- /dev/null +++ b/tests/untried/neg/t2462b.flags @@ -0,0 +1 @@ +-Xfatal-warnings diff --git a/tests/untried/neg/t2462b.scala b/tests/untried/neg/t2462b.scala new file mode 100644 index 000000000..576db4bd3 --- /dev/null +++ b/tests/untried/neg/t2462b.scala @@ -0,0 +1,9 @@ +package test + +import scala.annotation.implicitNotFound + +@implicitNotFound(msg = "Cannot construct a collection of type ${Too} with elements of type ${Elem} based on a collection of type ${From}.") +trait Meh[-From, +To] + +@implicitNotFound(msg = "Cannot construct a collection of type ${To} ${Elem}.") +trait Meh2[-From, +To] diff --git a/tests/untried/neg/t2462c.check b/tests/untried/neg/t2462c.check new file mode 100644 index 000000000..edeead55d --- /dev/null +++ b/tests/untried/neg/t2462c.check @@ -0,0 +1,7 @@ +t2462c.scala:18: error: No C of X$Y + f[X$Y] + ^ +t2462c.scala:24: error: No C of Foo[Int] + f[Foo[Int]] + ^ +two errors found diff --git a/tests/untried/neg/t2462c.flags b/tests/untried/neg/t2462c.flags new file mode 100644 index 000000000..85d8eb2ba --- /dev/null +++ b/tests/untried/neg/t2462c.flags @@ -0,0 +1 @@ +-Xfatal-warnings diff --git a/tests/untried/neg/t2462c.scala b/tests/untried/neg/t2462c.scala new file mode 100644 index 000000000..acf04afba --- /dev/null +++ b/tests/untried/neg/t2462c.scala @@ -0,0 +1,25 @@ + +import annotation._ + +@implicitNotFound("No C of ${ A }") +class C[A] + +trait X$Y +/* using the $$ separator for expanded names is unwise +trait X$$Y +trait X$$$Y +trait X$$$$Y + */ + +trait Foo[A] + +class Test { + def f[A: C] = ??? + f[X$Y] +/* using the $$ separator for expanded names is unwise + f[X$$Y] + f[X$$$Y] + f[X$$$$Y] + */ + f[Foo[Int]] +} diff --git a/tests/untried/neg/t2488.check b/tests/untried/neg/t2488.check new file mode 100644 index 000000000..170dbf88f --- /dev/null +++ b/tests/untried/neg/t2488.check @@ -0,0 +1,31 @@ +t2488.scala:7: error: overloaded method value f with alternatives: + ()Int <and> + (a: Int,b: Int)Int + cannot be applied to (b: Int, Int) + println(c.f(b = 2, 2)) + ^ +t2488.scala:8: error: overloaded method value f with alternatives: + ()Int <and> + (a: Int,b: Int)Int + cannot be applied to (a: Int, c: Int) + println(c.f(a = 2, c = 2)) + ^ +t2488.scala:9: error: overloaded method value f with alternatives: + ()Int <and> + (a: Int,b: Int)Int + cannot be applied to (Int, c: Int) + println(c.f(2, c = 2)) + ^ +t2488.scala:10: error: overloaded method value f with alternatives: + ()Int <and> + (a: Int,b: Int)Int + cannot be applied to (c: Int, Int) + println(c.f(c = 2, 2)) + ^ +t2488.scala:11: error: overloaded method value f with alternatives: + ()Int <and> + (a: Int,b: Int)Int + cannot be applied to (Int) + println(c.f(2)) + ^ +5 errors found diff --git a/tests/untried/neg/t2488.scala b/tests/untried/neg/t2488.scala new file mode 100644 index 000000000..8db052eec --- /dev/null +++ b/tests/untried/neg/t2488.scala @@ -0,0 +1,12 @@ +class C { + def f(a:Int, b:Int) = 1 + def f() = 2 +} +object Test extends App { + val c = new C() + println(c.f(b = 2, 2)) + println(c.f(a = 2, c = 2)) + println(c.f(2, c = 2)) + println(c.f(c = 2, 2)) + println(c.f(2)) +} diff --git a/tests/untried/neg/t2494.check b/tests/untried/neg/t2494.check new file mode 100644 index 000000000..6d43011e2 --- /dev/null +++ b/tests/untried/neg/t2494.check @@ -0,0 +1,4 @@ +t2494.scala:1: error: recursive value a needs type +object A { val a = { println("a = " + a); a = 1} } + ^ +one error found diff --git a/tests/untried/neg/t2494.scala b/tests/untried/neg/t2494.scala new file mode 100755 index 000000000..71e6bc4bb --- /dev/null +++ b/tests/untried/neg/t2494.scala @@ -0,0 +1 @@ +object A { val a = { println("a = " + a); a = 1} } diff --git a/tests/untried/neg/t2641.check b/tests/untried/neg/t2641.check new file mode 100644 index 000000000..a0a960f0e --- /dev/null +++ b/tests/untried/neg/t2641.check @@ -0,0 +1,7 @@ +t2641.scala:18: error: wrong number of type arguments for ManagedSeq, should be 2 + with TraversableViewLike[A, ManagedSeqStrict[A], ManagedSeq[A]] + ^ +t2641.scala:27: error: value managedIterator is not a member of ManagedSeq[A,Coll] + override def managedIterator = self.managedIterator slice (from, until) + ^ +two errors found diff --git a/tests/untried/neg/t2641.scala b/tests/untried/neg/t2641.scala new file mode 100644 index 000000000..bc048e039 --- /dev/null +++ b/tests/untried/neg/t2641.scala @@ -0,0 +1,30 @@ +import scala.collection._ +import scala.collection.generic._ +import scala.collection.mutable.Builder + + +abstract class ManagedSeqStrict[+A] + extends Traversable[A] + with GenericTraversableTemplate[A, ManagedSeqStrict] +{ + override def companion: GenericCompanion[ManagedSeqStrict] = null + + override def foreach[U](f: A => U): Unit = () +} + +trait ManagedSeq[+A, +Coll] + extends ManagedSeqStrict[A] + with TraversableView[A, ManagedSeqStrict[A]] + with TraversableViewLike[A, ManagedSeqStrict[A], ManagedSeq[A]] +{ self => + + override def underlying = throw new Exception("no underlying") + + //trait Transformed[+B] extends ManagedSeq[B] with super.Transformed[B] + trait Transformed[+B] extends ManagedSeq[B, Coll] with super.Transformed[B] + + trait Sliced extends Transformed[A] with super.Sliced { + override def managedIterator = self.managedIterator slice (from, until) + } + +} diff --git a/tests/untried/neg/t276.check b/tests/untried/neg/t276.check new file mode 100644 index 000000000..b241953a2 --- /dev/null +++ b/tests/untried/neg/t276.check @@ -0,0 +1,5 @@ +t276.scala:6: error: overriding type Bar in class Foo, which equals (Int, Int); + class Bar cannot be used here - classes can only override abstract types + class Bar + ^ +one error found diff --git a/tests/untried/neg/t276.scala b/tests/untried/neg/t276.scala new file mode 100644 index 000000000..dfc8b468d --- /dev/null +++ b/tests/untried/neg/t276.scala @@ -0,0 +1,7 @@ +class Foo { + type Bar = (Int, Int) +} + +class FooFoo extends Foo { + class Bar +} diff --git a/tests/untried/neg/t2773.check b/tests/untried/neg/t2773.check new file mode 100644 index 000000000..a5ffb5fbd --- /dev/null +++ b/tests/untried/neg/t2773.check @@ -0,0 +1,7 @@ +t2773.scala:5: error: value x is not a member of C + import c.x + ^ +t2773.scala:6: error: not found: value x + println(x) + ^ +two errors found diff --git a/tests/untried/neg/t2773.scala b/tests/untried/neg/t2773.scala new file mode 100755 index 000000000..aaa6351c8 --- /dev/null +++ b/tests/untried/neg/t2773.scala @@ -0,0 +1,8 @@ +class C(x: Int) { def foo = x } + +object Test { + val c = new C(0) + import c.x + println(x) +} + diff --git a/tests/untried/neg/t2775.check b/tests/untried/neg/t2775.check new file mode 100644 index 000000000..934a970f2 --- /dev/null +++ b/tests/untried/neg/t2775.check @@ -0,0 +1,4 @@ +t2775.scala:1: error: cannot find class tag for element type B.this.T +trait B[S] { type T = S; val c = new Array[T](1) } + ^ +one error found diff --git a/tests/untried/neg/t2775.scala b/tests/untried/neg/t2775.scala new file mode 100644 index 000000000..9e4f2f606 --- /dev/null +++ b/tests/untried/neg/t2775.scala @@ -0,0 +1 @@ +trait B[S] { type T = S; val c = new Array[T](1) } diff --git a/tests/untried/neg/t2779.check b/tests/untried/neg/t2779.check new file mode 100644 index 000000000..0ab4c50d0 --- /dev/null +++ b/tests/untried/neg/t2779.check @@ -0,0 +1,5 @@ +t2779.scala:16: error: method f is defined twice + conflicting symbols both originated in file 't2779.scala' + override def f = List(M1) + ^ +one error found diff --git a/tests/untried/neg/t2779.scala b/tests/untried/neg/t2779.scala new file mode 100755 index 000000000..d025055aa --- /dev/null +++ b/tests/untried/neg/t2779.scala @@ -0,0 +1,25 @@ +abstract class M +{ + def f: List[M] = Nil +} + +object M1 extends M + +object M2 extends M +{ + override def f = List(M1) +} + +object M3 extends M +{ + override def f = List(M1) + override def f = List(M1) +} + +object M4 extends M +{ + override def f = List( + M3, + M2 + ) +} diff --git a/tests/untried/neg/t278.check b/tests/untried/neg/t278.check new file mode 100644 index 000000000..405f7d225 --- /dev/null +++ b/tests/untried/neg/t278.check @@ -0,0 +1,11 @@ +t278.scala:5: error: overloaded method value a with alternatives: + => C.this.A => Unit <and> + => () => Unit + does not take type parameters + println(a[A]) + ^ +t278.scala:4: error: method a is defined twice + conflicting symbols both originated in file 't278.scala' + def a = (p:A) => () + ^ +two errors found diff --git a/tests/untried/neg/t278.scala b/tests/untried/neg/t278.scala new file mode 100644 index 000000000..39a711bb0 --- /dev/null +++ b/tests/untried/neg/t278.scala @@ -0,0 +1,6 @@ +class C { + class A + def a = () => () + def a = (p:A) => () + println(a[A]) +} diff --git a/tests/untried/neg/t2796.check b/tests/untried/neg/t2796.check new file mode 100644 index 000000000..22ee35a7e --- /dev/null +++ b/tests/untried/neg/t2796.check @@ -0,0 +1,9 @@ +t2796.scala:11: warning: early type members are deprecated. Move them to the regular body: the semantics are the same. + type X = Int // warn + ^ +t2796.scala:7: warning: Implementation restriction: early definitions in traits are not initialized before the super class is initialized. + val abstractVal = "T1.abstractVal" // warn + ^ +error: No warnings can be incurred under -Xfatal-warnings. +two warnings found +one error found diff --git a/tests/untried/neg/t2796.flags b/tests/untried/neg/t2796.flags new file mode 100644 index 000000000..d1b831ea8 --- /dev/null +++ b/tests/untried/neg/t2796.flags @@ -0,0 +1 @@ +-deprecation -Xfatal-warnings
\ No newline at end of file diff --git a/tests/untried/neg/t2796.scala b/tests/untried/neg/t2796.scala new file mode 100644 index 000000000..6e1ac852c --- /dev/null +++ b/tests/untried/neg/t2796.scala @@ -0,0 +1,27 @@ +trait Base { + val abstractVal: String + final val useAbstractVal = abstractVal +} + +trait T1 extends { + val abstractVal = "T1.abstractVal" // warn +} with Base + +trait T2 extends { + type X = Int // warn +} with Base + +class C1 extends { + val abstractVal = "C1.abstractVal" // okay +} with Base + +object Test { + def main(args: Array[String]): Unit = { + assert(new C1 ().useAbstractVal == "C1.abstractVal") + // This currently fails. a more ambitious approach to this ticket would add $earlyinit$ + // to traits and call it from the right places in the right order. + // + // For now, we'll just issue a warning. + assert(new T1 {}.useAbstractVal == "T1.abstractVal") + } +} diff --git a/tests/untried/neg/t2801.check b/tests/untried/neg/t2801.check new file mode 100644 index 000000000..25320de5b --- /dev/null +++ b/tests/untried/neg/t2801.check @@ -0,0 +1,6 @@ +t2801.scala:2: error: type mismatch; + found : Null(null) + required: A + def f[A <: AnyRef] = { val a: A = null ; a } + ^ +one error found diff --git a/tests/untried/neg/t2801.scala b/tests/untried/neg/t2801.scala new file mode 100644 index 000000000..d425f58b5 --- /dev/null +++ b/tests/untried/neg/t2801.scala @@ -0,0 +1,3 @@ +object Test { + def f[A <: AnyRef] = { val a: A = null ; a } +} diff --git a/tests/untried/neg/t284.check b/tests/untried/neg/t284.check new file mode 100644 index 000000000..7c2e9be03 --- /dev/null +++ b/tests/untried/neg/t284.check @@ -0,0 +1,6 @@ +t284.scala:2: warning: Detected apparent refinement of Unit; are you missing an '=' sign? + def f1(a: T): Unit { } + ^ +error: No warnings can be incurred under -Xfatal-warnings. +one warning found +one error found diff --git a/tests/untried/neg/t284.flags b/tests/untried/neg/t284.flags new file mode 100644 index 000000000..e8fb65d50 --- /dev/null +++ b/tests/untried/neg/t284.flags @@ -0,0 +1 @@ +-Xfatal-warnings
\ No newline at end of file diff --git a/tests/untried/neg/t284.scala b/tests/untried/neg/t284.scala new file mode 100644 index 000000000..b04fe33c9 --- /dev/null +++ b/tests/untried/neg/t284.scala @@ -0,0 +1,5 @@ +trait B[T] { + def f1(a: T): Unit { } + def f2(a: T): Unit + def f3(a: T): Unit = { } +} diff --git a/tests/untried/neg/t2870.check b/tests/untried/neg/t2870.check new file mode 100644 index 000000000..99522eca6 --- /dev/null +++ b/tests/untried/neg/t2870.check @@ -0,0 +1,9 @@ +t2870.scala:1: error: not found: type Jar +class Jars(jar: Jar) + ^ +t2870.scala:4: error: encountered unrecoverable cycle resolving import. +Note: this is often due in part to a class depending on a definition nested within its companion. +If applicable, you may wish to try moving some members into another object. + import scala.util.Properties.javaClassPath + ^ +two errors found diff --git a/tests/untried/neg/t2870.scala b/tests/untried/neg/t2870.scala new file mode 100755 index 000000000..4de19242e --- /dev/null +++ b/tests/untried/neg/t2870.scala @@ -0,0 +1,9 @@ +class Jars(jar: Jar) + +object Jars { + import scala.util.Properties.javaClassPath + + val scala = fromClasspathString(javaClassPath) + + def fromClasspathString(s: String): Jars = null +} diff --git a/tests/untried/neg/t2910.check b/tests/untried/neg/t2910.check new file mode 100644 index 000000000..44bf1993d --- /dev/null +++ b/tests/untried/neg/t2910.check @@ -0,0 +1,16 @@ +t2910.scala:3: error: forward reference extends over definition of value ret + val ret = l.map({ case MyMatch(id) => id }) + ^ +t2910.scala:9: error: forward reference extends over definition of value z + println(s.length) + ^ +t2910.scala:16: error: forward reference extends over definition of value z + x + ^ +t2910.scala:30: error: forward reference extends over definition of value x + lazy val f: Int = x + ^ +t2910.scala:35: error: forward reference extends over definition of variable x + lazy val f: Int = g + ^ +5 errors found diff --git a/tests/untried/neg/t2910.scala b/tests/untried/neg/t2910.scala new file mode 100644 index 000000000..f2ce3718c --- /dev/null +++ b/tests/untried/neg/t2910.scala @@ -0,0 +1,39 @@ +object Junk { + def f(l: List[String]): List[String] = { + val ret = l.map({ case MyMatch(id) => id }) + val MyMatch = "(\\d+)".r + ret + } + + def test2(): Unit = { + println(s.length) + val z = 0 + lazy val s = "abc" + } + + def test4(): Unit = { + lazy val x = { + x + val z = 0 + lazy val x = 12 + z + } + } +} + +// updated forwards.scala for lazy vals +object Test { + lazy val f: Int = x + val x: Int = f + + { + lazy val f: Int = x + val x: Int = f + println(x) + } + { + lazy val f: Int = g + var x: Int = f + lazy val g: Int = x + } +} diff --git a/tests/untried/neg/t2918.check b/tests/untried/neg/t2918.check new file mode 100644 index 000000000..aae3045e8 --- /dev/null +++ b/tests/untried/neg/t2918.check @@ -0,0 +1,10 @@ +t2918.scala:2: error: illegal cyclic reference involving type A + def g[X, A[X] <: A[X]](x: A[X]) = x + ^ +t2918.scala:2: error: cyclic aliasing or subtyping involving type A + def g[X, A[X] <: A[X]](x: A[X]) = x + ^ +t2918.scala:2: error: A does not take type parameters + def g[X, A[X] <: A[X]](x: A[X]) = x + ^ +three errors found diff --git a/tests/untried/neg/t2918.scala b/tests/untried/neg/t2918.scala new file mode 100755 index 000000000..ff2be39ae --- /dev/null +++ b/tests/untried/neg/t2918.scala @@ -0,0 +1,3 @@ +object Test { + def g[X, A[X] <: A[X]](x: A[X]) = x +} diff --git a/tests/untried/neg/t2968.check b/tests/untried/neg/t2968.check new file mode 100644 index 000000000..5d2387f98 --- /dev/null +++ b/tests/untried/neg/t2968.check @@ -0,0 +1,10 @@ +t2968.scala:8: error: Missing closing brace `}' assumed here +} // missing brace +^ +t2968.scala:17: error: Missing closing brace `}' assumed here +} // missing brace +^ +t2968.scala:26: error: Missing closing brace `}' assumed here +} // missing brace +^ +three errors found diff --git a/tests/untried/neg/t2968.scala b/tests/untried/neg/t2968.scala new file mode 100644 index 000000000..41c3a798a --- /dev/null +++ b/tests/untried/neg/t2968.scala @@ -0,0 +1,26 @@ +object t1 { + case object Const { + } + + class Var + { + +} // missing brace + +object t2 { + case class Const() { + } + + class Var + { + +} // missing brace + +object t3 { + final case class Const() { + } + + class Var + { + +} // missing brace diff --git a/tests/untried/neg/t2968b.check b/tests/untried/neg/t2968b.check new file mode 100644 index 000000000..36d25a2d1 --- /dev/null +++ b/tests/untried/neg/t2968b.check @@ -0,0 +1,4 @@ +t2968b.scala:7: error: '}' expected but eof found. +// missing brace + ^ +one error found diff --git a/tests/untried/neg/t2968b.scala b/tests/untried/neg/t2968b.scala new file mode 100644 index 000000000..422b618ab --- /dev/null +++ b/tests/untried/neg/t2968b.scala @@ -0,0 +1,7 @@ +case class Const() +{ +} + +class Var +{ +// missing brace diff --git a/tests/untried/neg/t2973.check b/tests/untried/neg/t2973.check new file mode 100644 index 000000000..582fe0063 --- /dev/null +++ b/tests/untried/neg/t2973.check @@ -0,0 +1,4 @@ +t2973.scala:1: error: ';' expected but 'package' found. +package foo {} package bar {} + ^ +one error found
\ No newline at end of file diff --git a/tests/untried/neg/t2973.scala b/tests/untried/neg/t2973.scala new file mode 100644 index 000000000..b9d973580 --- /dev/null +++ b/tests/untried/neg/t2973.scala @@ -0,0 +1 @@ +package foo {} package bar {} diff --git a/tests/untried/neg/t3006.check b/tests/untried/neg/t3006.check new file mode 100644 index 000000000..2447eebc9 --- /dev/null +++ b/tests/untried/neg/t3006.check @@ -0,0 +1,6 @@ +t3006.scala:8: error: type mismatch; + found : String("H") + required: Int + println(A(3) + "H") + ^ +one error found diff --git a/tests/untried/neg/t3006.scala b/tests/untried/neg/t3006.scala new file mode 100755 index 000000000..a84b69c84 --- /dev/null +++ b/tests/untried/neg/t3006.scala @@ -0,0 +1,10 @@ +object Test extends App { + case class A(x: Int); + + class Foo(a: A) { println("Foo created!"); def +(x: Int) = new A(this.a.x + x); } + + implicit def aToFoo(x: A) = new Foo(x); + + println(A(3) + "H") + +} diff --git a/tests/untried/neg/t3015.check b/tests/untried/neg/t3015.check new file mode 100644 index 000000000..729db844e --- /dev/null +++ b/tests/untried/neg/t3015.check @@ -0,0 +1,6 @@ +t3015.scala:7: error: scrutinee is incompatible with pattern type; + found : _$1 + required: String + val b(foo) = "foo" + ^ +one error found diff --git a/tests/untried/neg/t3015.scala b/tests/untried/neg/t3015.scala new file mode 100644 index 000000000..adfa15b38 --- /dev/null +++ b/tests/untried/neg/t3015.scala @@ -0,0 +1,8 @@ +class UnApp[P] { + def unapply(a: P): Option[P] = Some(a) +} + +object Test extends App { + val b: UnApp[_] = new UnApp[String] + val b(foo) = "foo" +} diff --git a/tests/untried/neg/t3098.check b/tests/untried/neg/t3098.check new file mode 100644 index 000000000..5343b128f --- /dev/null +++ b/tests/untried/neg/t3098.check @@ -0,0 +1,7 @@ +b.scala:3: warning: match may not be exhaustive. +It would fail on the following input: (_ : C) + def f = (null: T) match { + ^ +error: No warnings can be incurred under -Xfatal-warnings. +one warning found +one error found diff --git a/tests/untried/neg/t3098.flags b/tests/untried/neg/t3098.flags new file mode 100644 index 000000000..85d8eb2ba --- /dev/null +++ b/tests/untried/neg/t3098.flags @@ -0,0 +1 @@ +-Xfatal-warnings diff --git a/tests/untried/neg/t3098/a.scala b/tests/untried/neg/t3098/a.scala new file mode 100644 index 000000000..57a103c7a --- /dev/null +++ b/tests/untried/neg/t3098/a.scala @@ -0,0 +1,6 @@ +// Traits.scala +sealed trait T + +trait A extends T +trait B extends T +trait C extends T diff --git a/tests/untried/neg/t3098/b.scala b/tests/untried/neg/t3098/b.scala new file mode 100644 index 000000000..84a1f9f6f --- /dev/null +++ b/tests/untried/neg/t3098/b.scala @@ -0,0 +1,8 @@ +// Test.scala +object Test { + def f = (null: T) match { + case _: A => println("A") + case _: B => println("B") + // no C + } +} diff --git a/tests/untried/neg/t3118.check b/tests/untried/neg/t3118.check new file mode 100644 index 000000000..da00f1c33 --- /dev/null +++ b/tests/untried/neg/t3118.check @@ -0,0 +1,7 @@ +t3118.scala:6: error: value C is not a member of O1 + println(x.C()) // should not be accessible + ^ +t3118.scala:7: error: type C is not a member of O1 + println(new x.C) // is correctly not accessible + ^ +two errors found diff --git a/tests/untried/neg/t3118.scala b/tests/untried/neg/t3118.scala new file mode 100644 index 000000000..9be24c1ed --- /dev/null +++ b/tests/untried/neg/t3118.scala @@ -0,0 +1,8 @@ +class O1 { + private[this] case class C() + + val x = new O1 + + println(x.C()) // should not be accessible + println(new x.C) // is correctly not accessible +} diff --git a/tests/untried/neg/t3160ambiguous.check b/tests/untried/neg/t3160ambiguous.check new file mode 100644 index 000000000..73a0c6d5d --- /dev/null +++ b/tests/untried/neg/t3160ambiguous.check @@ -0,0 +1,7 @@ +t3160ambiguous.scala:8: error: reference to List is ambiguous; +it is imported twice in the same scope by +import scala.collection.immutable._ +and import Bippy._ + def f(x: List[Any]): String = ??? // ambiguous, because Bippy.List is accessible + ^ +one error found diff --git a/tests/untried/neg/t3160ambiguous.scala b/tests/untried/neg/t3160ambiguous.scala new file mode 100644 index 000000000..57745e60d --- /dev/null +++ b/tests/untried/neg/t3160ambiguous.scala @@ -0,0 +1,15 @@ +object Bippy { + private class List[+T] +} +class Bippy { + import Bippy._ + import scala.collection.immutable._ + + def f(x: List[Any]): String = ??? // ambiguous, because Bippy.List is accessible +} +class Other { + import Bippy._ + import scala.collection.immutable._ + + def f(x: List[Any]): String = ??? // unambiguous, because Bippy.List is inaccessible +} diff --git a/tests/untried/neg/t3189.check b/tests/untried/neg/t3189.check new file mode 100644 index 000000000..122af5647 --- /dev/null +++ b/tests/untried/neg/t3189.check @@ -0,0 +1,4 @@ +t3189.scala:2: error: bad simple pattern: use _* to match a sequence + val Array(a,b*) = ("": Any) + ^ +one error found diff --git a/tests/untried/neg/t3189.scala b/tests/untried/neg/t3189.scala new file mode 100644 index 000000000..4ea4bb758 --- /dev/null +++ b/tests/untried/neg/t3189.scala @@ -0,0 +1,3 @@ +object A { + val Array(a,b*) = ("": Any) +}
\ No newline at end of file diff --git a/tests/untried/neg/t3209.check b/tests/untried/neg/t3209.check new file mode 100644 index 000000000..c5a6b1d95 --- /dev/null +++ b/tests/untried/neg/t3209.check @@ -0,0 +1,4 @@ +t3209.scala:2: error: expected start of definition +package test +^ +one error found diff --git a/tests/untried/neg/t3209.scala b/tests/untried/neg/t3209.scala new file mode 100644 index 000000000..d89372665 --- /dev/null +++ b/tests/untried/neg/t3209.scala @@ -0,0 +1,2 @@ +@javax.annotation.Generated(Array("test")) +package test
\ No newline at end of file diff --git a/tests/untried/neg/t3222.check b/tests/untried/neg/t3222.check new file mode 100644 index 000000000..6170827cc --- /dev/null +++ b/tests/untried/neg/t3222.check @@ -0,0 +1,13 @@ +t3222.scala:1: error: not found: type B +@throws(classOf[B]) + ^ +t3222.scala:4: error: not found: type D + def foo(@throws(classOf[D]) x: Int) {} + ^ +t3222.scala:3: error: not found: type C + @throws(classOf[C]) + ^ +t3222.scala:6: error: not found: type E + @throws(classOf[E]) + ^ +four errors found diff --git a/tests/untried/neg/t3222.scala b/tests/untried/neg/t3222.scala new file mode 100644 index 000000000..7918671a9 --- /dev/null +++ b/tests/untried/neg/t3222.scala @@ -0,0 +1,9 @@ +@throws(classOf[B]) +class ExceptionTest { + @throws(classOf[C]) + def foo(@throws(classOf[D]) x: Int): Unit = {} + + @throws(classOf[E]) + type t = String +} + diff --git a/tests/untried/neg/t3224.check b/tests/untried/neg/t3224.check new file mode 100644 index 000000000..69b02c886 --- /dev/null +++ b/tests/untried/neg/t3224.check @@ -0,0 +1,26 @@ +t3224.scala:30: error: polymorphic expression cannot be instantiated to expected type; + found : [T]Array[T] + required: List[?] + println(Texts textL Array()) + ^ +t3224.scala:34: error: type mismatch; + found : List[Nothing] + required: Array[?] + println(Texts textA List()) + ^ +t3224.scala:35: error: type mismatch; + found : List[Int] + required: Array[?] + println(Texts textA List(1)) + ^ +t3224.scala:36: error: type mismatch; + found : List[Int] + required: Array[?] + println(Texts textA List(1, 1)); + ^ +t3224.scala:48: error: polymorphic expression cannot be instantiated to expected type; + found : [T]Array[T] + required: List[?] + assert(size(Array()) == 0) + ^ +5 errors found diff --git a/tests/untried/neg/t3224.scala b/tests/untried/neg/t3224.scala new file mode 100755 index 000000000..b7af8a67b --- /dev/null +++ b/tests/untried/neg/t3224.scala @@ -0,0 +1,50 @@ +object Texts{ + def textL[T](list: List[T]) = { + list match{ + case List() => "Empty" + case List(_) => "One" + case List(_*) => "Many" + } + } + + def textA[T](array: Array[T]) = { + array match{ + case Array() => "Empty" + case Array(_) => "One" + case Array(_*) => "Many" + } + } +} + +object Test extends App { + { + implicit def array2list[T](array: Array[T]) = { + println(array.toList.size) + array.toList + } + + println(Texts textL List()) + println(Texts textL List(1)) + println(Texts textL List(1, 1)); + + println(Texts textL Array()) + println(Texts textL Array(1)) + println(Texts textL Array(1, 1)) + + println(Texts textA List()) + println(Texts textA List(1)) + println(Texts textA List(1, 1)); + + println(Texts textA Array()) + println(Texts textA Array(1)) + println(Texts textA Array(1, 1)) + } + + { + implicit def array2list[T](array: Array[T]) = array.toList + def size[T](list: List[T]) = list.size + + assert(size(array2list(Array())) == 0) + assert(size(Array()) == 0) + } +} diff --git a/tests/untried/neg/t3234.check b/tests/untried/neg/t3234.check new file mode 100644 index 000000000..8f0d624ed --- /dev/null +++ b/tests/untried/neg/t3234.check @@ -0,0 +1,6 @@ +t3234.scala:17: warning: At the end of the day, could not inline @inline-marked method foo3 + println(foo(42) + foo2(11) + foo3(2)) + ^ +error: No warnings can be incurred under -Xfatal-warnings. +one warning found +one error found diff --git a/tests/untried/neg/t3234.flags b/tests/untried/neg/t3234.flags new file mode 100644 index 000000000..cc3d9fb6f --- /dev/null +++ b/tests/untried/neg/t3234.flags @@ -0,0 +1 @@ +-Yinline -Yinline-warnings -Xfatal-warnings diff --git a/tests/untried/neg/t3234.scala b/tests/untried/neg/t3234.scala new file mode 100644 index 000000000..1f5b18645 --- /dev/null +++ b/tests/untried/neg/t3234.scala @@ -0,0 +1,19 @@ +trait Trait1 { + // need more work before this one works + // @inline + def foo2(n: Int) = n*n +} + +trait Trait2 { + @inline def foo3(n: Int) = 1 +} + +class Base extends Trait1 { + @inline def foo(n: Int) = n +} + +object Test extends Base with Trait2 { + def main(args: Array[String]) = { + println(foo(42) + foo2(11) + foo3(2)) + } +} diff --git a/tests/untried/neg/t3240.check b/tests/untried/neg/t3240.check new file mode 100644 index 000000000..efae682c6 --- /dev/null +++ b/tests/untried/neg/t3240.check @@ -0,0 +1,4 @@ +t3240.scala:3: error: only classes can have declared but undefined members + type t + ^ +one error found diff --git a/tests/untried/neg/t3240.scala b/tests/untried/neg/t3240.scala new file mode 100644 index 000000000..fdd86d8ea --- /dev/null +++ b/tests/untried/neg/t3240.scala @@ -0,0 +1,8 @@ +class A { + val foo = new { + type t + def apply(a: Option[t], defVal: Any) = { + a.getOrElse(defVal).asInstanceOf[t] + } + } +} diff --git a/tests/untried/neg/t3275.check b/tests/untried/neg/t3275.check new file mode 100644 index 000000000..117c79232 --- /dev/null +++ b/tests/untried/neg/t3275.check @@ -0,0 +1,4 @@ +t3275.scala:2: error: @tailrec annotated method contains no recursive calls + @annotation.tailrec def foo() = 5 + ^ +one error found diff --git a/tests/untried/neg/t3275.scala b/tests/untried/neg/t3275.scala new file mode 100644 index 000000000..18e38a1a9 --- /dev/null +++ b/tests/untried/neg/t3275.scala @@ -0,0 +1,3 @@ +object Test { + @annotation.tailrec def foo() = 5 +} diff --git a/tests/untried/neg/t3346b.check b/tests/untried/neg/t3346b.check new file mode 100644 index 000000000..bcde6d90e --- /dev/null +++ b/tests/untried/neg/t3346b.check @@ -0,0 +1,4 @@ +t3346b.scala:14: error: could not find implicit value for evidence parameter of type TC[Any] + val y = foo(1) + ^ +one error found diff --git a/tests/untried/neg/t3346b.scala b/tests/untried/neg/t3346b.scala new file mode 100644 index 000000000..f28ee8ba3 --- /dev/null +++ b/tests/untried/neg/t3346b.scala @@ -0,0 +1,15 @@ +import scala.language.implicitConversions + +trait T[X] +trait U[X] +trait TC[M[_]] + +object Test extends App { + def foo[M[_]: TC, A](ma: M[A]) = () + implicit val TCofT: TC[T] = new TC[T] {} + implicit def any2T[A](a: A): T[A] = new T[A] {} + implicit def any2U[A](a: A): U[A] = new U[A] {} + + val x = foo[T, Int](1) + val y = foo(1) +} diff --git a/tests/untried/neg/t3346c.check b/tests/untried/neg/t3346c.check new file mode 100644 index 000000000..575379d00 --- /dev/null +++ b/tests/untried/neg/t3346c.check @@ -0,0 +1,4 @@ +t3346c.scala:60: error: value bar is not a member of Either[Int,String] + eii.bar + ^ +one error found diff --git a/tests/untried/neg/t3346c.scala b/tests/untried/neg/t3346c.scala new file mode 100644 index 000000000..a5ac166b2 --- /dev/null +++ b/tests/untried/neg/t3346c.scala @@ -0,0 +1,61 @@ +object Test extends App { + // + // An attempt to workaround SI-2712, foiled by SI-3346 + // + trait TC[M[_]] + + type EitherInt[A] = Either[Int, A] + + implicit object EitherTC extends TC[EitherInt] + + def foo[M[_]: TC, A](ma: M[A]) = () + + val eii: Either[Int, String] = Right("") + + foo[EitherInt, String](eii) + + // This one needs SI-2712 Higher Order Unification + //foo(eii) // not inferred + + // A workaround is to provide a set of implicit conversions that take values + // based on type constructors of various shapes, and search for the + // type class instances. + // + // This is the approach taken by scalaz7. + + trait TCValue[M[_], A] { + implicit def self: M[A] + def M: TC[M] + + // instead of `foo(eii)`, we'll try `eii.foo` + def foo[M[_], A] = () + } + + + implicit def ToTCValue[M[_], A](ma: M[A])(implicit M0: TC[M]) = new TCValue[M, A] { + implicit val M = M0 + val self = ma + } + implicit def ToTCValueBin1[M[_, _], A, B](ma: M[A, B])(implicit M0: TC[({type λ[α]=M[A, α]})#λ]): TCValue[({type λ[α] = M[A, α]})#λ, B] = new TCValue[({type λ[α]=M[A, α]})#λ, B] { + implicit val M = M0 + val self = ma + } + implicit def ToTCValueBin2[M[_, _], A, B](ma: M[A, B])(implicit M0: TC[({type λ[α]=M[α, B]})#λ]): TCValue[({type λ[α]=M[α, B]})#λ, A] = new TCValue[({type λ[α]=M[α, B]})#λ, A] { + implicit val M = M0 + val self = ma + } + + + ToTCValueBin1(eii).foo + + // as expected, could not find implicit parameter + // ToTCValueBin2(eii).bar + + // error: implicit conversions are not applicable because they are ambiguous, both method ToTCValueBin1 ... and method ToTCValueBin2 + // annoying!! + // https://issues.scala-lang.org/browse/SI-3346 + // + // Works if we remove ToTCValueBin2 + // + eii.bar +} diff --git a/tests/untried/neg/t3346i.check b/tests/untried/neg/t3346i.check new file mode 100644 index 000000000..cc17ab7ce --- /dev/null +++ b/tests/untried/neg/t3346i.check @@ -0,0 +1,7 @@ +t3346i.scala:28: error: value a is not a member of Test.A[T] + (new A).a + ^ +t3346i.scala:29: error: value a is not a member of Test.A[Nothing] + (new A[Nothing]).a + ^ +two errors found diff --git a/tests/untried/neg/t3346i.scala b/tests/untried/neg/t3346i.scala new file mode 100644 index 000000000..9ad254453 --- /dev/null +++ b/tests/untried/neg/t3346i.scala @@ -0,0 +1,30 @@ +import scala.language.implicitConversions + +// the classes involved +case class Z[U](a: U) +case class Intermediate[T, U](t: T, u: U) +class Implicit1[T](b: Implicit2[T]) +class Implicit2[T](c: Implicit3[T]) +class Implicit3[T](/* and so on */) + +object Test extends App { + // the base conversion + implicit def convertToZ[T](a: A[T])(implicit b: Implicit1[T]): Z[A[T]] = Z(a) + + // and the implicit chaining, don't you just love it? :D + // implicit1, with one alternative + implicit def implicit1[T <: Intermediate[_, _]](implicit b: Implicit2[T]) = new Implicit1[T](b) + // implicit2, with two alternatives + implicit def implicit2alt1[T <: Intermediate[_ <: String, _]](implicit c: Implicit3[T]) = new Implicit2[T](c) + implicit def implicit2alt2[T <: Intermediate[_ <: Double, _]](implicit c: Implicit3[T]) = new Implicit2[T](c) + // implicit3, with two alternatives + implicit def implicit3alt1[T <: Intermediate[_, _ <: Int]] = new Implicit3[T]() + implicit def implicit3alt2[T <: Intermediate[_ <: Double, _ <: AnyRef],X] = new Implicit3[T]() + + // and our targets + /** conversion here, with constraints */ + class A[T]() + + (new A).a + (new A[Nothing]).a +} diff --git a/tests/untried/neg/t3392.check b/tests/untried/neg/t3392.check new file mode 100644 index 000000000..842d63eec --- /dev/null +++ b/tests/untried/neg/t3392.check @@ -0,0 +1,4 @@ +t3392.scala:9: error: not found: value x + case x@A(x/*<-- refers to the pattern that includes this comment*/.Ex(42)) => + ^ +one error found diff --git a/tests/untried/neg/t3392.scala b/tests/untried/neg/t3392.scala new file mode 100644 index 000000000..655c2e84a --- /dev/null +++ b/tests/untried/neg/t3392.scala @@ -0,0 +1,11 @@ +object Test { + case class A(a: Int) { + object Ex { + def unapply(i: Int): Option[Int] = Some(i) + } + } + + A(42) match { + case x@A(x/*<-- refers to the pattern that includes this comment*/.Ex(42)) => + } +} diff --git a/tests/untried/neg/t3399.check b/tests/untried/neg/t3399.check new file mode 100644 index 000000000..987da944c --- /dev/null +++ b/tests/untried/neg/t3399.check @@ -0,0 +1,4 @@ +t3399.scala:23: error: Cannot prove that Nats.Add[Nats._1,Nats._1] =:= Nats._1. + implicitly[ Add[_1, _1] =:= _1] + ^ +one error found diff --git a/tests/untried/neg/t3399.scala b/tests/untried/neg/t3399.scala new file mode 100644 index 000000000..e39e54ac6 --- /dev/null +++ b/tests/untried/neg/t3399.scala @@ -0,0 +1,24 @@ +object Nats { + sealed trait Nat { + // fold right on N, N-1, ..., 1 + type FoldR[Init <: Type, Type, F <: Fold[Nat, Type]] <: Type + } + sealed trait _0 extends Nat { + type FoldR[Init <: Type, Type, F <: Fold[Nat, Type]] = Init + } + sealed trait Succ[N <: Nat] extends Nat { + type FoldR[Init <: Type, Type, F <: Fold[Nat, Type]] = + F#Apply[Succ[N], N#FoldR[Init, Type, F]] + } + + type Add[A <: Nat, B <: Nat] = A#FoldR[B, Nat, Inc] + trait Fold[-Elem, Value] { + type Apply[N <: Elem, Acc <: Value] <: Value + } + type Inc = Fold[Any, Nat] { + type Apply[N <: Any, Acc <: Nat] = Succ[Acc] + } + + type _1 = Succ[_0] + implicitly[ Add[_1, _1] =:= _1] +} diff --git a/tests/untried/neg/t3403.check b/tests/untried/neg/t3403.check new file mode 100644 index 000000000..e52d140e6 --- /dev/null +++ b/tests/untried/neg/t3403.check @@ -0,0 +1,4 @@ +t3403.scala:2: error: implementation limitation: the BeanProperty annotation cannot be used in a type alias or renamed import +class Foo { @bp var bar: Int = 1 } + ^ +one error found diff --git a/tests/untried/neg/t3403.scala b/tests/untried/neg/t3403.scala new file mode 100644 index 000000000..7cf0c3e0f --- /dev/null +++ b/tests/untried/neg/t3403.scala @@ -0,0 +1,2 @@ +import scala.beans.{BeanProperty => bp} +class Foo { @bp var bar: Int = 1 } diff --git a/tests/untried/neg/t343.check b/tests/untried/neg/t343.check new file mode 100644 index 000000000..d310b7915 --- /dev/null +++ b/tests/untried/neg/t343.check @@ -0,0 +1,4 @@ +t343.scala:5: error: private class Foo escapes its defining scope as part of type C.this.Foo + def get:Foo = new Foo(); + ^ +one error found diff --git a/tests/untried/neg/t343.scala b/tests/untried/neg/t343.scala new file mode 100644 index 000000000..ed57d2eef --- /dev/null +++ b/tests/untried/neg/t343.scala @@ -0,0 +1,14 @@ +package scalaInner1; + +class C { + private class Foo {} + def get:Foo = new Foo(); +} + + + +object Test { + def main(args:Array[String]) = { + val c = new C().get; + } +} diff --git a/tests/untried/neg/t3453.check b/tests/untried/neg/t3453.check new file mode 100644 index 000000000..52c948128 --- /dev/null +++ b/tests/untried/neg/t3453.check @@ -0,0 +1,21 @@ +t3453.scala:18: error: type mismatch; + found : A + required: B + new A + ^ +t3453.scala:36: error: type mismatch; + found : A + required: B + new A + ^ +t3453.scala:50: error: type mismatch; + found : A + required: B + new A + ^ +t3453.scala:64: error: type mismatch; + found : A + required: B + new A + ^ +four errors found diff --git a/tests/untried/neg/t3453.scala b/tests/untried/neg/t3453.scala new file mode 100644 index 000000000..af7781894 --- /dev/null +++ b/tests/untried/neg/t3453.scala @@ -0,0 +1,66 @@ +// test shadowing of implicits by synonymous non-implicit symbols +// whether they be inherited, imported (explicitly or using a wildcard) or defined directly +class A +class B + +trait S { + implicit def aToB(a: A): B = new B +} + +class T1 extends S { + def x: B = { + val aToB = 3 + // ok: doesn't compile, because aToB method requires 'T.this.' prefix + //aToB(new A) + + // bug: compiles, using T.this.aToB, + // despite it not being accessible without a prefix + new A + } +} + +object O { + implicit def aToB(a: A): B = new B +} + +class T2a { + import O._ + + def x: B = { + val aToB = 3 + // ok: doesn't compile, because aToB method requires 'T.this.' prefix + //aToB(new A) + + // bug: compiles, using T.this.aToB, + // despite it not being accessible without a prefix + new A + } +} + +class T2b { + import O.aToB + + def x: B = { + val aToB = 3 + // ok: doesn't compile, because aToB method requires 'T.this.' prefix + //aToB(new A) + + // bug: compiles, using T.this.aToB, + // despite it not being accessible without a prefix + new A + } +} + +class T3 { + implicit def aToB(a: A): B = new B + + def x: B = { + val aToB = 3 + // ok: doesn't compile, because aToB method requires 'T.this.' prefix + //aToB(new A) + + // bug: compiles, using T.this.aToB, + // despite it not being accessible without a prefix + new A + } +} diff --git a/tests/untried/neg/t3481.check b/tests/untried/neg/t3481.check new file mode 100644 index 000000000..debe07275 --- /dev/null +++ b/tests/untried/neg/t3481.check @@ -0,0 +1,29 @@ +t3481.scala:5: error: type mismatch; + found : String("hello") + required: _$1 + f[A[Int]]("hello") + ^ +t3481.scala:11: error: type mismatch; + found : _$2 + required: b.T + (which expands to) _$2 + def f[T <: B[_]](a: T#T, b: T) = b.m(a) + ^ +t3481.scala:12: error: type mismatch; + found : String("Hello") + required: _$2 + f("Hello", new B[Int]) + ^ +t3481.scala:18: error: type mismatch; + found : String("Hello") + required: t3481.ex3.b.T2 + (which expands to) _$3 + b.m("Hello") + ^ +t3481.scala:25: error: type mismatch; + found : String("Hello") + required: t3481.ex4.Test.b.T2 + (which expands to) _$4 + b.m("Hello") + ^ +5 errors found diff --git a/tests/untried/neg/t3481.scala b/tests/untried/neg/t3481.scala new file mode 100644 index 000000000..6924fdf56 --- /dev/null +++ b/tests/untried/neg/t3481.scala @@ -0,0 +1,28 @@ +object t3481 { + object ex1 { + trait A[T] { type B = T } + def f[T <: A[_]](a: T#B) = 1 + f[A[Int]]("hello") + } + + object ex2 { + trait A { type T; def m(t: T) = t.toString } + class B[T2] extends A { type T = T2 } + def f[T <: B[_]](a: T#T, b: T) = b.m(a) + f("Hello", new B[Int]) + } + + object ex3 { + class B[T] { type T2 = T; def m(t: T2) = t.toString } + val b: B[_] = new B[Int] + b.m("Hello") + } + + object ex4 { + abstract class B[T] { type T2 = T; def m(t: T2): Any } + object Test { + val b: B[_] = sys.error("") + b.m("Hello") + } + } +} diff --git a/tests/untried/neg/t3507-old.check b/tests/untried/neg/t3507-old.check new file mode 100644 index 000000000..b3ac40473 --- /dev/null +++ b/tests/untried/neg/t3507-old.check @@ -0,0 +1,4 @@ +t3507-old.scala:13: error: No Manifest available for _1.b.c.type. + mani/*[object _1.b.c]*/(c) // kaboom in manifestOfType / TreeGen.mkAttributedQualifier + ^ +one error found diff --git a/tests/untried/neg/t3507-old.scala b/tests/untried/neg/t3507-old.scala new file mode 100644 index 000000000..5f8f3644b --- /dev/null +++ b/tests/untried/neg/t3507-old.scala @@ -0,0 +1,15 @@ +class A { + object b { + object c + } + def m = b.c +} + +object Test { + var a: A = new A // mutable + val c /*: object _1.b.c forSome { val _1: A } */ = a.m // widening using existential + + def mani[T: Manifest](x: T) = () + mani/*[object _1.b.c]*/(c) // kaboom in manifestOfType / TreeGen.mkAttributedQualifier + // --> _1 is not in scope here +} diff --git a/tests/untried/neg/t3604.check b/tests/untried/neg/t3604.check new file mode 100644 index 000000000..b07c5c9c7 --- /dev/null +++ b/tests/untried/neg/t3604.check @@ -0,0 +1,7 @@ +t3604.scala:3: error: in XML literal: expected closing tag of abbr + <abbr></div> + ^ +t3604.scala:3: error: start tag was here: abbr> + <abbr></div> + ^ +two errors found diff --git a/tests/untried/neg/t3604.scala b/tests/untried/neg/t3604.scala new file mode 100644 index 000000000..f890a58e5 --- /dev/null +++ b/tests/untried/neg/t3604.scala @@ -0,0 +1,6 @@ +object Main { + <div> + <abbr></div> + { "..." } + </div> +} diff --git a/tests/untried/neg/t3614.check b/tests/untried/neg/t3614.check new file mode 100644 index 000000000..81628ef37 --- /dev/null +++ b/tests/untried/neg/t3614.check @@ -0,0 +1,4 @@ +t3614.scala:2: error: only declarations allowed here + def v = new ({ def a=0 }) + ^ +one error found diff --git a/tests/untried/neg/t3614.scala b/tests/untried/neg/t3614.scala new file mode 100644 index 000000000..70e429440 --- /dev/null +++ b/tests/untried/neg/t3614.scala @@ -0,0 +1,3 @@ +object t3614 { + def v = new ({ def a=0 }) +} diff --git a/tests/untried/neg/t3649.check b/tests/untried/neg/t3649.check new file mode 100644 index 000000000..76d68fa3b --- /dev/null +++ b/tests/untried/neg/t3649.check @@ -0,0 +1,10 @@ +t3649.scala:1: error: C is already defined as (compiler-generated) case class companion object C +object T { class C(s: String = ""); val C = 0 } + ^ +t3649.scala:2: error: C is already defined as (compiler-generated) case class companion object C +object U { class C(val s: String = ""); val C = new C() {} } + ^ +t3649.scala:2: error: not enough arguments for constructor C: (s: String)U.C +object U { class C(val s: String = ""); val C = new C() {} } + ^ +three errors found diff --git a/tests/untried/neg/t3649.scala b/tests/untried/neg/t3649.scala new file mode 100644 index 000000000..2aaff9610 --- /dev/null +++ b/tests/untried/neg/t3649.scala @@ -0,0 +1,2 @@ +object T { class C(s: String = ""); val C = 0 } +object U { class C(val s: String = ""); val C = new C() {} } diff --git a/tests/untried/neg/t3653.check b/tests/untried/neg/t3653.check new file mode 100644 index 000000000..ad68e29fb --- /dev/null +++ b/tests/untried/neg/t3653.check @@ -0,0 +1,7 @@ +t3653.scala:3: error: double definition: +def x(i: Int): Int at line 2 and +def x(implicit x: Int): Int at line 3 +have same type after erasure: (i: Int)Int + def x(implicit x: Int) = 5 + ^ +one error found diff --git a/tests/untried/neg/t3653.scala b/tests/untried/neg/t3653.scala new file mode 100644 index 000000000..0bedc4fdc --- /dev/null +++ b/tests/untried/neg/t3653.scala @@ -0,0 +1,4 @@ +class B { + def x(i: Int) = 3 + def x(implicit x: Int) = 5 +} diff --git a/tests/untried/neg/t3663.check b/tests/untried/neg/t3663.check new file mode 100644 index 000000000..c4b27ef21 --- /dev/null +++ b/tests/untried/neg/t3663.check @@ -0,0 +1,4 @@ +main.scala:11: error: variable foo in class PackageProtected cannot be accessed in test.Test + println(t.foo) + ^ +one error found diff --git a/tests/untried/neg/t3663/PackageProtected.java b/tests/untried/neg/t3663/PackageProtected.java new file mode 100644 index 000000000..f4535a55b --- /dev/null +++ b/tests/untried/neg/t3663/PackageProtected.java @@ -0,0 +1,5 @@ +package test; + +class PackageProtected { + int foo; +} diff --git a/tests/untried/neg/t3663/main.scala b/tests/untried/neg/t3663/main.scala new file mode 100644 index 000000000..a70ee52cf --- /dev/null +++ b/tests/untried/neg/t3663/main.scala @@ -0,0 +1,14 @@ +package test + +final class Test extends PackageProtected { + def bar = foo +} + +package another { + object Main { + def bug(t: Test): Unit = { + // Can always be replicated. + println(t.foo) + } + } +} diff --git a/tests/untried/neg/t3683a.check b/tests/untried/neg/t3683a.check new file mode 100644 index 000000000..6386265eb --- /dev/null +++ b/tests/untried/neg/t3683a.check @@ -0,0 +1,7 @@ +t3683a.scala:14: warning: match may not be exhaustive. +It would fail on the following input: XX() + w match { + ^ +error: No warnings can be incurred under -Xfatal-warnings. +one warning found +one error found diff --git a/tests/untried/neg/t3683a.flags b/tests/untried/neg/t3683a.flags new file mode 100644 index 000000000..85d8eb2ba --- /dev/null +++ b/tests/untried/neg/t3683a.flags @@ -0,0 +1 @@ +-Xfatal-warnings diff --git a/tests/untried/neg/t3683a.scala b/tests/untried/neg/t3683a.scala new file mode 100644 index 000000000..ac1b6265c --- /dev/null +++ b/tests/untried/neg/t3683a.scala @@ -0,0 +1,20 @@ +sealed trait Foo +sealed trait Bar extends Foo +sealed trait W[T >: Bar <: Foo] +case class X() extends W[Foo] +case class XX() extends W[Bar] +case class Y() extends W[Bar] +case class Z[T >: Bar <: Foo]( + z1: W[T] +) extends W[T] + +object Main { + // should warn for not including XX() + def f1(w: W[Bar]): Int = { + w match { + // case XX() => 2 + case Y() => 1 + case Z(z) => f1(z) + } + } +} diff --git a/tests/untried/neg/t3683b.check b/tests/untried/neg/t3683b.check new file mode 100644 index 000000000..6e3369241 --- /dev/null +++ b/tests/untried/neg/t3683b.check @@ -0,0 +1,8 @@ +t3683b.scala:15: error: constructor cannot be instantiated to expected type; + found : X + required: W[Bar] +Note: Foo >: Bar (and X <: W[Foo]), but trait W is invariant in type T. +You may wish to define T as -T instead. (SLS 4.5) + case X() => 1 + ^ +one error found diff --git a/tests/untried/neg/t3683b.scala b/tests/untried/neg/t3683b.scala new file mode 100644 index 000000000..1c361ed2d --- /dev/null +++ b/tests/untried/neg/t3683b.scala @@ -0,0 +1,21 @@ +sealed trait Foo +sealed trait Bar extends Foo +sealed trait W[T >: Bar <: Foo] +case class X() extends W[Foo] +case class XX() extends W[Bar] +case class Y() extends W[Bar] +case class Z[T >: Bar <: Foo]( + z1: W[T] +) extends W[T] + +object Main { + // should fail for including X() + def f1(w: W[Bar]): Int = { + w match { + case X() => 1 + case XX() => 2 + case Y() => 1 + case Z(z) => f1(z) + } + } +} diff --git a/tests/untried/neg/t3691.check b/tests/untried/neg/t3691.check new file mode 100644 index 000000000..6a7e13049 --- /dev/null +++ b/tests/untried/neg/t3691.check @@ -0,0 +1,16 @@ +t3691.scala:4: error: type mismatch; + found : Test.A[String] + required: AnyRef{type A[x]} + val b = (new A[String]{}): { type A[x] } // not ok + ^ +t3691.scala:5: error: type mismatch; + found : Test.A[String] + required: AnyRef{type A} + val c = (new A[String]{}): { type A } // not ok + ^ +t3691.scala:7: error: type mismatch; + found : AnyRef{type A = String} + required: AnyRef{type A[X]} + val x = (new { type A = String }): { type A[X] } // not ok + ^ +three errors found diff --git a/tests/untried/neg/t3691.scala b/tests/untried/neg/t3691.scala new file mode 100644 index 000000000..c1daa4918 --- /dev/null +++ b/tests/untried/neg/t3691.scala @@ -0,0 +1,11 @@ +object Test { + trait A[X] { type A[x <: X] = x } + val a = (new A[String]{}): { type A[x <: String] } // ok + val b = (new A[String]{}): { type A[x] } // not ok + val c = (new A[String]{}): { type A } // not ok + + val x = (new { type A = String }): { type A[X] } // not ok +//a: AnyRef{type A[X]} + + identity[x.A[Any]] _ +} diff --git a/tests/untried/neg/t3692-new.check b/tests/untried/neg/t3692-new.check new file mode 100644 index 000000000..bb8692f3c --- /dev/null +++ b/tests/untried/neg/t3692-new.check @@ -0,0 +1,19 @@ +t3692-new.scala:14: warning: non-variable type argument Int in type pattern scala.collection.immutable.Map[Int,Int] (the underlying of Map[Int,Int]) is unchecked since it is eliminated by erasure + case m0: Map[Int, Int] => new java.util.HashMap[Integer, Integer] + ^ +t3692-new.scala:15: warning: non-variable type argument Int in type pattern scala.collection.immutable.Map[Int,V] (the underlying of Map[Int,V]) is unchecked since it is eliminated by erasure + case m1: Map[Int, V] => new java.util.HashMap[Integer, V] + ^ +t3692-new.scala:16: warning: non-variable type argument Int in type pattern scala.collection.immutable.Map[T,Int] (the underlying of Map[T,Int]) is unchecked since it is eliminated by erasure + case m2: Map[T, Int] => new java.util.HashMap[T, Integer] + ^ +t3692-new.scala:15: warning: unreachable code + case m1: Map[Int, V] => new java.util.HashMap[Integer, V] + ^ +t3692-new.scala:4: warning: Tester has a main method with parameter type Array[String], but Tester will not be a runnable program. + Reason: main method must have exact signature (Array[String])Unit +object Tester { + ^ +error: No warnings can be incurred under -Xfatal-warnings. +5 warnings found +one error found diff --git a/tests/untried/neg/t3692-new.flags b/tests/untried/neg/t3692-new.flags new file mode 100644 index 000000000..85d8eb2ba --- /dev/null +++ b/tests/untried/neg/t3692-new.flags @@ -0,0 +1 @@ +-Xfatal-warnings diff --git a/tests/untried/neg/t3692-new.scala b/tests/untried/neg/t3692-new.scala new file mode 100644 index 000000000..6ecf4acb8 --- /dev/null +++ b/tests/untried/neg/t3692-new.scala @@ -0,0 +1,20 @@ +import scala.reflect.{ClassTag, classTag} +import java.lang.Integer + +object Tester { + def main(args: Array[String]) = { + val map = Map("John" -> 1, "Josh" -> 2) + new Tester().toJavaMap(map) + } +} + +class Tester { + private final def toJavaMap[T, V](map: Map[T, V])(implicit m1: ClassTag[T], m2: ClassTag[V]): java.util.Map[_, _] = { + map match { + case m0: Map[Int, Int] => new java.util.HashMap[Integer, Integer] + case m1: Map[Int, V] => new java.util.HashMap[Integer, V] + case m2: Map[T, Int] => new java.util.HashMap[T, Integer] + case _ => new java.util.HashMap[T, V] + } + } +} diff --git a/tests/untried/neg/t3714-neg.check b/tests/untried/neg/t3714-neg.check new file mode 100644 index 000000000..4f2971696 --- /dev/null +++ b/tests/untried/neg/t3714-neg.check @@ -0,0 +1,13 @@ +t3714-neg.scala:17: error: value break in class BreakImpl cannot be accessed in BreakImpl + Access to protected value break not permitted because + enclosing object Test is not a subclass of + class BreakImpl where target is defined + case b: BreakImpl => b.break + ^ +t3714-neg.scala:25: error: value break in class BreakImpl cannot be accessed in BreakImpl + Access to protected value break not permitted because + enclosing object Test is not a subclass of + class BreakImpl where target is defined + case b: BreakImpl => b.break + ^ +two errors found diff --git a/tests/untried/neg/t3714-neg.scala b/tests/untried/neg/t3714-neg.scala new file mode 100644 index 000000000..72518de14 --- /dev/null +++ b/tests/untried/neg/t3714-neg.scala @@ -0,0 +1,41 @@ +// this is a slight negative twist on run/t3714.scala. +trait Break { + protected val break: Int; +} + +class BreakImpl(protected val break: Int) extends Break { } +object BreakImpl { + def apply(x: Int): Break = new BreakImpl(x) + def unapply(x: Any) = x match { + case x: BreakImpl => Some(x.break) + case _ => None + } +} + +object Test { + def f1(x: Break) = x match { + case b: BreakImpl => b.break + case b => -1 + } + def f2(x: Break) = x match { + case BreakImpl(x) => x + case _ => -1 + } + def f3(x: Any) = x match { + case b: BreakImpl => b.break + case b => -1 + } + def f4(x: Any) = x match { + case BreakImpl(x) => x + case _ => -1 + } + + def main(args: Array[String]): Unit = { + val break = BreakImpl(22) + assert(f1(break) == 22) + assert(f2(break) == 22) + assert(f3(break) == 22) + assert(f4(break) == 22) + } +} + diff --git a/tests/untried/neg/t3736.check b/tests/untried/neg/t3736.check new file mode 100644 index 000000000..7a20f6c08 --- /dev/null +++ b/tests/untried/neg/t3736.check @@ -0,0 +1,16 @@ +t3736.scala:4: error: super not allowed here: use this.isInstanceOf instead + def f2 = super.isInstanceOf[String] + ^ +t3736.scala:5: error: super not allowed here: use this.asInstanceOf instead + def f3 = super.asInstanceOf[AnyRef] + ^ +t3736.scala:6: error: super not allowed here: use this.== instead + def f4 = super.==(new AnyRef) + ^ +t3736.scala:7: error: super not allowed here: use this.!= instead + def f5 = super.!=(new AnyRef) + ^ +t3736.scala:8: error: super not allowed here: use this.## instead + def f6 = super.## + ^ +5 errors found diff --git a/tests/untried/neg/t3736.scala b/tests/untried/neg/t3736.scala new file mode 100644 index 000000000..cf0920912 --- /dev/null +++ b/tests/untried/neg/t3736.scala @@ -0,0 +1,34 @@ +object Test { + class A { + def f1 = super.toString + def f2 = super.isInstanceOf[String] + def f3 = super.asInstanceOf[AnyRef] + def f4 = super.==(new AnyRef) + def f5 = super.!=(new AnyRef) + def f6 = super.## + } + + // Ill-advised overloads to be sure... + class B { + def ##(x: String) = true + def ==(x1: String, xs: List[_]) = true + def !=(x1: String, xs: List[_]) = true + } + + class C extends B { + override def ##(x: String) = super.##(x) + override def ==(x1: String, xs: List[_]) = super.==(x1, xs) + override def !=(x1: String, xs: List[_]) = super.!=(x1, xs) + } + + def main(args: Array[String]): Unit = { + val x = new A + x.f1 + x.f2 + x.f3 + x.f4 + x.f5 + x.f6 + } +} + diff --git a/tests/untried/neg/t3757.check b/tests/untried/neg/t3757.check new file mode 100644 index 000000000..1507df8c4 --- /dev/null +++ b/tests/untried/neg/t3757.check @@ -0,0 +1,4 @@ +B.scala:4: error: method foo overrides nothing + override def foo = "B" + ^ +one error found diff --git a/tests/untried/neg/t3757/A.java b/tests/untried/neg/t3757/A.java new file mode 100644 index 000000000..37da86fe1 --- /dev/null +++ b/tests/untried/neg/t3757/A.java @@ -0,0 +1,5 @@ +package a; + +public abstract class A { + abstract String foo(); // package protected! +}
\ No newline at end of file diff --git a/tests/untried/neg/t3757/B.scala b/tests/untried/neg/t3757/B.scala new file mode 100644 index 000000000..e899f51e7 --- /dev/null +++ b/tests/untried/neg/t3757/B.scala @@ -0,0 +1,5 @@ +package b + +class B extends a.A { + override def foo = "B" +} diff --git a/tests/untried/neg/t3761-overload-byname.check b/tests/untried/neg/t3761-overload-byname.check new file mode 100644 index 000000000..ae7d21dfa --- /dev/null +++ b/tests/untried/neg/t3761-overload-byname.check @@ -0,0 +1,13 @@ +t3761-overload-byname.scala:9: error: ambiguous reference to overloaded definition, +both method m1 in object t of type (x: => Int, s: Object)Int +and method m1 in object t of type (x: => AnyVal, s: String)Int +match argument types (Int,String) + m1(1, "") + ^ +t3761-overload-byname.scala:11: error: ambiguous reference to overloaded definition, +both method m2 in object t of type (x: => Int, s: Object)Int +and method m2 in object t of type (x: => Any, s: String)Int +match argument types (Int,String) + m2(1, "") + ^ +two errors found diff --git a/tests/untried/neg/t3761-overload-byname.scala b/tests/untried/neg/t3761-overload-byname.scala new file mode 100644 index 000000000..5b9a381b9 --- /dev/null +++ b/tests/untried/neg/t3761-overload-byname.scala @@ -0,0 +1,13 @@ +object t { + def m1(x: => AnyVal, s: String) = 0 + def m1(x: => Int, s: Object) = 1 + + def m2(x: => Any, s: String) = 0 + def m2(x: => Int, s: Object) = 1 + + + m1(1, "") + m1(1d, "") + m2(1, "") + m2("", "") +} diff --git a/tests/untried/neg/t3769.check b/tests/untried/neg/t3769.check new file mode 100644 index 000000000..40ccf05ff --- /dev/null +++ b/tests/untried/neg/t3769.check @@ -0,0 +1,7 @@ +t3769.scala:2: error: in XML literal: expected closing tag of a + val x = <b> <c><a></c> {"text"} </b> + ^ +t3769.scala:2: error: start tag was here: a> + val x = <b> <c><a></c> {"text"} </b> + ^ +two errors found diff --git a/tests/untried/neg/t3769.scala b/tests/untried/neg/t3769.scala new file mode 100644 index 000000000..0132b59ed --- /dev/null +++ b/tests/untried/neg/t3769.scala @@ -0,0 +1,3 @@ +object Test { + val x = <b> <c><a></c> {"text"} </b> +} diff --git a/tests/untried/neg/t3776.check b/tests/untried/neg/t3776.check new file mode 100644 index 000000000..0dfe12959 --- /dev/null +++ b/tests/untried/neg/t3776.check @@ -0,0 +1,4 @@ +t3776.scala:8: error: value someOperation is not a member of _$1 + def parsedAs[T](v: T) = MyParser.parse(pattern, a).get someOperation v + ^ +one error found diff --git a/tests/untried/neg/t3776.scala b/tests/untried/neg/t3776.scala new file mode 100644 index 000000000..e24b2fea6 --- /dev/null +++ b/tests/untried/neg/t3776.scala @@ -0,0 +1,10 @@ +object MyParser { + implicit def literal(s: String): Parser[String] = ??? + trait Parser[+T] + def parse[T](p: Parser[T], in: java.lang.CharSequence): Option[T] = ??? +} +object Test { + class ParsedAs(a: String) (implicit pattern: MyParser.Parser[_]) { + def parsedAs[T](v: T) = MyParser.parse(pattern, a).get someOperation v + } +} diff --git a/tests/untried/neg/t3816.check b/tests/untried/neg/t3816.check new file mode 100644 index 000000000..40621f896 --- /dev/null +++ b/tests/untried/neg/t3816.check @@ -0,0 +1,7 @@ +t3816.scala:30: error: stable identifier required, but `syncID` found. + case Some( `syncID` ) => + ^ +t3816.scala:38: error: stable identifier required, but Test.this.foo found. + case Some( `foo` ) => + ^ +two errors found diff --git a/tests/untried/neg/t3816.scala b/tests/untried/neg/t3816.scala new file mode 100644 index 000000000..0eadbcf8f --- /dev/null +++ b/tests/untried/neg/t3816.scala @@ -0,0 +1,42 @@ +class B { + def ::(a: List[Int]): Unit = { + a match { + case x::xs => + case _ => + } + } +} + +object Test { + def testSuccess1( x: Any ) = { + val stable = 2 + x match { + case Some( `stable` ) => + case _ => + } + } + + val bar = 3 + def testSuccess2( x: Any ) = { + x match { + case Some( `bar` ) => + case _ => + } + } + + def testFail1( x: Any ) = { + var syncID = 0 + x match { + case Some( `syncID` ) => + case _ => + } + } + + var foo = 0 + def testFail2( x: Any ) = { + x match { + case Some( `foo` ) => + case _ => + } + } +} diff --git a/tests/untried/neg/t3836.check b/tests/untried/neg/t3836.check new file mode 100644 index 000000000..ff2fc36ae --- /dev/null +++ b/tests/untried/neg/t3836.check @@ -0,0 +1,13 @@ +t3836.scala:17: error: reference to IOException is ambiguous; +it is imported twice in the same scope by +import foo.bar._ +and import java.io._ + def f = new IOException // genuinely different + ^ +t3836.scala:26: error: reference to Bippy is ambiguous; +it is imported twice in the same scope by +import baz._ +and import bar._ + def f: Bippy[Int] = ??? + ^ +two errors found diff --git a/tests/untried/neg/t3836.scala b/tests/untried/neg/t3836.scala new file mode 100644 index 000000000..a68f6e172 --- /dev/null +++ b/tests/untried/neg/t3836.scala @@ -0,0 +1,28 @@ +package foo + +package object bar { + type IOException = Object + type Bippy[T] = List[T] +} + +package object baz { + type Bippy[+T] = List[T] +} + +package baz { + import java.io._ + import foo.bar._ + + object Test { + def f = new IOException // genuinely different + } +} + +package baz2 { + import bar._ + import baz._ + + object Test2 { + def f: Bippy[Int] = ??? + } +} diff --git a/tests/untried/neg/t3854.check b/tests/untried/neg/t3854.check new file mode 100644 index 000000000..c478481a6 --- /dev/null +++ b/tests/untried/neg/t3854.check @@ -0,0 +1,5 @@ +t3854.scala:1: error: class Bar needs to be abstract, since method foo in trait Foo of type [G[_]](implicit n: N[G,F])X[F] is not defined +(Note that N[G,F] does not match M[G]) +class Bar[F[_]] extends Foo[F] { + ^ +one error found diff --git a/tests/untried/neg/t3854.scala b/tests/untried/neg/t3854.scala new file mode 100644 index 000000000..e8db76c0a --- /dev/null +++ b/tests/untried/neg/t3854.scala @@ -0,0 +1,15 @@ +class Bar[F[_]] extends Foo[F] { + def foo[G[_[_], _]](implicit M: M[G]): X[({type λ[α] = G[F, α] })#λ] = null +} +// vim: set ts=4 sw=4 et: + +trait M[F[_[_], _]] +trait N[F[_], G[_]] + +trait X[F[_]] { + def apply[A]: F[A] +} + +trait Foo[F[_]] { + def foo[G[_]](implicit n: N[G, F]): X[F] +} diff --git a/tests/untried/neg/t3871.check b/tests/untried/neg/t3871.check new file mode 100644 index 000000000..b920357ee --- /dev/null +++ b/tests/untried/neg/t3871.check @@ -0,0 +1,7 @@ +t3871.scala:4: error: variable foo in class Sub2 cannot be accessed in Sub2 + Access to protected method foo not permitted because + enclosing class Base is not a subclass of + class Sub2 where target is defined + s.foo = true + ^ +one error found diff --git a/tests/untried/neg/t3871.scala b/tests/untried/neg/t3871.scala new file mode 100644 index 000000000..fc459867d --- /dev/null +++ b/tests/untried/neg/t3871.scala @@ -0,0 +1,11 @@ +class Base { + def mkNew() = { + val s = new Sub2 + s.foo = true + s + } +} + +class Sub2 extends Base { + protected var foo = false +} diff --git a/tests/untried/neg/t3871b.check b/tests/untried/neg/t3871b.check new file mode 100644 index 000000000..6ab5ddfaf --- /dev/null +++ b/tests/untried/neg/t3871b.check @@ -0,0 +1,97 @@ +t3871b.scala:61: error: not found: value protOT + protOT // not allowed + ^ +t3871b.scala:77: error: method prot in class A cannot be accessed in E.this.A + Access to protected method prot not permitted because + prefix type E.this.A does not conform to + class B in class E where the access take place + a.prot // not allowed, prefix type `A` does not conform to `B` + ^ +t3871b.scala:79: error: value protT is not a member of E.this.B + b.protT // not allowed + ^ +t3871b.scala:80: error: value protT is not a member of E.this.C + c.protT // not allowed + ^ +t3871b.scala:81: error: value protT is not a member of E.this.A + a.protT // not allowed + ^ +t3871b.scala:91: error: method prot in class A cannot be accessed in E.this.A + Access to protected method prot not permitted because + prefix type E.this.A does not conform to + object B in class E where the access take place + a.prot // not allowed + ^ +t3871b.scala:93: error: value protT is not a member of E.this.B + b.protT // not allowed + ^ +t3871b.scala:94: error: value protT is not a member of E.this.C + c.protT // not allowed + ^ +t3871b.scala:95: error: value protT is not a member of E.this.A + a.protT // not allowed + ^ +t3871b.scala:102: error: method prot in class A cannot be accessed in E.this.B + Access to protected method prot not permitted because + enclosing class Z in class E is not a subclass of + class A in class E where target is defined + b.prot // not allowed + ^ +t3871b.scala:103: error: method prot in class A cannot be accessed in E.this.C + Access to protected method prot not permitted because + enclosing class Z in class E is not a subclass of + class A in class E where target is defined + c.prot // not allowed + ^ +t3871b.scala:104: error: method prot in class A cannot be accessed in E.this.A + Access to protected method prot not permitted because + enclosing class Z in class E is not a subclass of + class A in class E where target is defined + a.prot // not allowed + ^ +t3871b.scala:109: error: value protT is not a member of E.this.B + b.protT // not allowed + ^ +t3871b.scala:110: error: value protT is not a member of E.this.C + c.protT // not allowed + ^ +t3871b.scala:111: error: value protT is not a member of E.this.A + a.protT // not allowed + ^ +t3871b.scala:120: error: method prot in class A cannot be accessed in Other.this.e.B + Access to protected method prot not permitted because + enclosing class Other is not a subclass of + class A in class E where target is defined + b.prot // not allowed + ^ +t3871b.scala:121: error: method prot in class A cannot be accessed in Other.this.e.C + Access to protected method prot not permitted because + enclosing class Other is not a subclass of + class A in class E where target is defined + c.prot // not allowed + ^ +t3871b.scala:122: error: method prot in class A cannot be accessed in Other.this.e.A + Access to protected method prot not permitted because + enclosing class Other is not a subclass of + class A in class E where target is defined + a.prot // not allowed + ^ +t3871b.scala:123: error: method protE in class A cannot be accessed in Other.this.e.B + Access to protected method protE not permitted because + enclosing class Other is not a subclass of + class A in class E where target is defined + b.protE // not allowed + ^ +t3871b.scala:124: error: method protE in class A cannot be accessed in Other.this.e.A + Access to protected method protE not permitted because + enclosing class Other is not a subclass of + class A in class E where target is defined + a.protE // not allowed + ^ +t3871b.scala:125: error: method protE in class A cannot be accessed in Other.this.e.C + Access to protected method protE not permitted because + enclosing class Other is not a subclass of + class A in class E where target is defined + c.protE // not allowed + ^ +21 errors found diff --git a/tests/untried/neg/t3871b.scala b/tests/untried/neg/t3871b.scala new file mode 100644 index 000000000..b490b7789 --- /dev/null +++ b/tests/untried/neg/t3871b.scala @@ -0,0 +1,127 @@ +/** + +The protected modifier applies to class member definitions. Protected members of a class can be accessed from within + + 0a. the companion module of any of those classes + +A protected identifier x may be used as a member name in a selection r.x only +if one of the following applies: + 1a. The access is within the template defining the member, or, + if a qualification C is given, + 1b. inside the package C, or + 1c. the class C , or its companion module, or + 2. r is one of the reserved words this and super, or + 3. r’s type conforms to a type-instance of the class which contains the access. + + 4. A different form of qualification is protected[this]. A member M marked with this + modifier is called object-protected; it can be accessed only from within the object + in which it is defined. That is, a selection p.M is only legal if the prefix is this + or O.this, for some class O enclosing the reference. In addition, the restrictions + for unqualified protected apply. +*/ + +object E { + val e = new E + import e._ + def n(a: A, b: B, c: C) = { + b.protE // 1c + c.protE // 1c + a.protE // 1c + A.protOE // 1c + } +} + +class E { + object A { + protected def protO = 2 + protected[E] def protOE = 3 + protected[this] def protOT = 3 + } + class A { + protected def prot = 2 + protected[E] def protE = 3 + protected[this] def protT = 4 + + // 1a + prot; protE; protT + def foo = {prot; protE; protT} + new { prot; protE } + def this(a: Any) = {this(); prot; protE; protT} + object B extends A { + A.this.prot + A.this.protE + A.this.protT + } + + import A._ + // 0a + protO + // 3 + protOE + protOT // not allowed + } + + class B extends A { + // 1b + this.prot; this.protE; + super.prot; super.protE; + + // 4 + this.protT + // 4 !!! "or the super keyword" + super.protT + + def n(a: A, b: B, c: C) = { + b.prot // 3 + c.prot // 3 + a.prot // not allowed, prefix type `A` does not conform to `B` + + b.protT // not allowed + c.protT // not allowed + a.protT // not allowed + } + } + object B { + def n(a: A, b: B, c: C) = { + b.prot // 3 !!! + c.prot // 3 !!! + // Wording of 3 seems insufficient, missing: + // "... (if the access is from a class), or + // the type instance of companion class (if the access is from a module)" + a.prot // not allowed + + b.protT // not allowed + c.protT // not allowed + a.protT // not allowed + } + } + class C extends B + + class Z { + def n(a: A, b: B, c: C) = { + b.prot // not allowed + c.prot // not allowed + a.prot // not allowed + b.protE // 2 + a.protE // 2 + c.protE // 2 + + b.protT // not allowed + c.protT // not allowed + a.protT // not allowed + } + } +} + +class Other { + val e = new E + import e._ + def n(a: A, b: B, c: C) = { + b.prot // not allowed + c.prot // not allowed + a.prot // not allowed + b.protE // not allowed + a.protE // not allowed + c.protE // not allowed + } +} diff --git a/tests/untried/neg/t3873.check b/tests/untried/neg/t3873.check new file mode 100644 index 000000000..f9f413aea --- /dev/null +++ b/tests/untried/neg/t3873.check @@ -0,0 +1,6 @@ +t3873.scala:11: error: type mismatch; + found : Test.a.B + required: a.B where val a: A + wrongf(new A)(a.b) // should not compile + ^ +one error found diff --git a/tests/untried/neg/t3873.scala b/tests/untried/neg/t3873.scala new file mode 100644 index 000000000..bf5799955 --- /dev/null +++ b/tests/untried/neg/t3873.scala @@ -0,0 +1,12 @@ +class A { + class B + def b: B = new B +} + +object Test { + def wrongf(a: A)(b: a.B): a.B = b + + val a = new A + wrongf(a)(a.b) + wrongf(new A)(a.b) // should not compile +} diff --git a/tests/untried/neg/t3909.check b/tests/untried/neg/t3909.check new file mode 100644 index 000000000..7da019560 --- /dev/null +++ b/tests/untried/neg/t3909.check @@ -0,0 +1,4 @@ +t3909.scala:1: error: in object DO, multiple overloaded alternatives of m1 define default arguments +object DO { + ^ +one error found diff --git a/tests/untried/neg/t3909.scala b/tests/untried/neg/t3909.scala new file mode 100644 index 000000000..758dc70fd --- /dev/null +++ b/tests/untried/neg/t3909.scala @@ -0,0 +1,12 @@ +object DO { + class Extras { } + object Extras { val defaultValue = new Extras } + + def m1(str: String, extraStuff: Extras = Extras.defaultValue): Int = str.length + def m1(i: Int, extraStuff: Extras = Extras.defaultValue): Int = 2 * i + + def main(args: Array[String]): Unit = { + val m1s = m1("foo") + val m1i = m1(42) + } +} diff --git a/tests/untried/neg/t391.check b/tests/untried/neg/t391.check new file mode 100644 index 000000000..879d9af71 --- /dev/null +++ b/tests/untried/neg/t391.check @@ -0,0 +1,13 @@ +t391.scala:2: error: identifier expected but 'def' found. + def fun1(def x: Int): Int = x; // the "def x" is illegal + ^ +t391.scala:4: error: ':' expected but '}' found. +} +^ +t391.scala:6: error: identifier expected but 'def' found. +class E(def x: Int); // the "def x" is illegal + ^ +t391.scala:6: error: ':' expected but eof found. +class E(def x: Int); // the "def x" is illegal + ^ +four errors found diff --git a/tests/untried/neg/t391.scala b/tests/untried/neg/t391.scala new file mode 100644 index 000000000..08c083baa --- /dev/null +++ b/tests/untried/neg/t391.scala @@ -0,0 +1,6 @@ +trait C { + def fun1(def x: Int): Int = x; // the "def x" is illegal + def fun2(val x: Int): Int = x; // the "val x" is illegal +} + +class E(def x: Int); // the "def x" is illegal diff --git a/tests/untried/neg/t3913.check b/tests/untried/neg/t3913.check new file mode 100644 index 000000000..d85e5c5be --- /dev/null +++ b/tests/untried/neg/t3913.check @@ -0,0 +1,4 @@ +t3913.scala:2: error: super constructor cannot be passed a self reference unless parameter is declared by-name +object LimboStage extends Stage( Set( LimboStage )) + ^ +one error found diff --git a/tests/untried/neg/t3913.scala b/tests/untried/neg/t3913.scala new file mode 100644 index 000000000..a5408fe02 --- /dev/null +++ b/tests/untried/neg/t3913.scala @@ -0,0 +1,8 @@ +class Stage( val transits: Set[ Stage ]) +object LimboStage extends Stage( Set( LimboStage )) + +object Test { + def main( args: Array[ String ]): Unit = { + val x = LimboStage + } +} diff --git a/tests/untried/neg/t3934.check b/tests/untried/neg/t3934.check new file mode 100644 index 000000000..8b06799f0 --- /dev/null +++ b/tests/untried/neg/t3934.check @@ -0,0 +1,13 @@ +t3934.scala:15: error: method f2 in class J cannot be accessed in test.J + Access to protected method f2 not permitted because + enclosing class S1 in package nest is not a subclass of + class J in package test where target is defined + def g2(x: J) = x.f2() + ^ +t3934.scala:20: error: method f2 in class J cannot be accessed in test.J + Access to protected method f2 not permitted because + prefix type test.J does not conform to + class S2 in package nest where the access take place + def g2(x: J) = x.f2() + ^ +two errors found diff --git a/tests/untried/neg/t3934.scala b/tests/untried/neg/t3934.scala new file mode 100644 index 000000000..46e9088af --- /dev/null +++ b/tests/untried/neg/t3934.scala @@ -0,0 +1,23 @@ +package test { + +class J { + def f1(): Int = { return 5; } + protected def f2(): Int = { return 5; } +} + +} + +package test { +package nest { + +class S1 { + def g1(x: J) = x.f1() + def g2(x: J) = x.f2() +} + +class S2 extends J { + def g1(x: J) = x.f1() + def g2(x: J) = x.f2() +} + +}} diff --git a/tests/untried/neg/t3971.check b/tests/untried/neg/t3971.check new file mode 100644 index 000000000..868511987 --- /dev/null +++ b/tests/untried/neg/t3971.check @@ -0,0 +1,21 @@ +t3971.scala:6: error: type mismatch; + found : Int + required: String + f(g("abc")("def")) // g returns Int, needs String + ^ +t3971.scala:7: error: type mismatch; + found : Int(5) + required: String + f(5) + ^ +t3971.scala:8: error: type mismatch; + found : Int + required: String + f(h("abc")) + ^ +t3971.scala:11: error: type mismatch; + found : Boolean + required: String + ({"ab".reverse; "ba".equals})(0): String + ^ +four errors found diff --git a/tests/untried/neg/t3971.scala b/tests/untried/neg/t3971.scala new file mode 100644 index 000000000..35f64fde0 --- /dev/null +++ b/tests/untried/neg/t3971.scala @@ -0,0 +1,12 @@ +class A { + def f(x: String) = x + def g(x: String)(y: String): Int = x.length + y.length + def h(x: String) = x.length + + f(g("abc")("def")) // g returns Int, needs String + f(5) + f(h("abc")) + + // a perverse piece of code from a perverse coder + ({"ab".reverse; "ba".equals})(0): String +} diff --git a/tests/untried/neg/t3977.check b/tests/untried/neg/t3977.check new file mode 100644 index 000000000..72335a092 --- /dev/null +++ b/tests/untried/neg/t3977.check @@ -0,0 +1,4 @@ +t3977.scala:12: error: could not find implicit value for parameter w: False#If[E] + new NoNull + ^ +one error found diff --git a/tests/untried/neg/t3977.scala b/tests/untried/neg/t3977.scala new file mode 100644 index 000000000..11a8cdba4 --- /dev/null +++ b/tests/untried/neg/t3977.scala @@ -0,0 +1,13 @@ +trait Bool { + type If[T] +} + +trait False extends Bool { + type If[F] = F +} + +class Field[E, N <: Bool](implicit val w: N#If[E]) { + type NoNull = Field[E, False] + + new NoNull +} diff --git a/tests/untried/neg/t3987.check b/tests/untried/neg/t3987.check new file mode 100644 index 000000000..a9f7912b7 --- /dev/null +++ b/tests/untried/neg/t3987.check @@ -0,0 +1,7 @@ +t3987.scala:11: error: type mismatch; + found : Gox + required: Test.GoxZed + (which expands to) t#Zed forSome { type t <: Gox } + val y: GoxZed = x + ^ +one error found diff --git a/tests/untried/neg/t3987.scala b/tests/untried/neg/t3987.scala new file mode 100644 index 000000000..1226d8022 --- /dev/null +++ b/tests/untried/neg/t3987.scala @@ -0,0 +1,13 @@ +class Gox { + object Zed { } + class Zed { } +} + +object Test { + type GoxZed = t#Zed forSome { type t <: Gox } + + def main(args: Array[String]): Unit = { + val x = new Gox + val y: GoxZed = x + } +} diff --git a/tests/untried/neg/t3995.check b/tests/untried/neg/t3995.check new file mode 100644 index 000000000..00ecf4ca5 --- /dev/null +++ b/tests/untried/neg/t3995.check @@ -0,0 +1,6 @@ +t3995.scala:31: error: type mismatch; + found : String("") + required: _1.F0 where val _1: Lift + (new Lift).apply("") + ^ +one error found diff --git a/tests/untried/neg/t3995.scala b/tests/untried/neg/t3995.scala new file mode 100644 index 000000000..be169639d --- /dev/null +++ b/tests/untried/neg/t3995.scala @@ -0,0 +1,32 @@ +class Lift { + def apply(f: F0): Unit = {} + + class F0 + object F0 { + implicit def f2f0(fn: String): F0 = ??? + } +} + +object Test { + val l = new Lift + val f = "" + + "": l.F0 // okay + + l.apply("") // okay + + { + val l = new Lift + l.apply("") // okay + } + + // fails trying to mkAttributedQualifier for pre = Skolem(_1 <: Lift with Singletom).F0 + // should this even have shown up in `companionImplicitMap`? It says that: + // + // "@return For those parts that refer to classes with companion objects that + // can be accessed with unambiguous stable prefixes, the implicits infos + // which are members of these companion objects." + // + // The skolem is stable, but it doen't seem much good to us + (new Lift).apply("") +} diff --git a/tests/untried/neg/t4044.check b/tests/untried/neg/t4044.check new file mode 100644 index 000000000..0e1ea4f51 --- /dev/null +++ b/tests/untried/neg/t4044.check @@ -0,0 +1,14 @@ +t4044.scala:9: error: AnyRef takes no type parameters, expected: one + M[AnyRef] // error, (AnyRef :: *) not kind-conformant to (N :: * -> * -> *) + ^ +t4044.scala:11: error: kinds of the type arguments (Test.A) do not conform to the expected kinds of the type parameters (type N). +Test.A's type parameters do not match type N's expected parameters: +type _ has no type parameters, but type O has one + M[A] // error, (A :: (* -> *) not kind-conformant to (N :: * -> * -> *) + ^ +t4044.scala:15: error: kinds of the type arguments (Test.C) do not conform to the expected kinds of the type parameters (type N). +Test.C's type parameters do not match type N's expected parameters: +type _ has one type parameter, but type _ has none + M[C] // error, (C :: (* -> * -> * -> *) not kind-conformant to (N :: * -> * -> *) + ^ +three errors found diff --git a/tests/untried/neg/t4044.scala b/tests/untried/neg/t4044.scala new file mode 100644 index 000000000..eeb1d11ac --- /dev/null +++ b/tests/untried/neg/t4044.scala @@ -0,0 +1,16 @@ +object Test { + def M[N[O[_]]] = () + type A[_] = Any + type B[_[_]] = Any + type C[_[_[_]]] = Any + + M[Any] // okay, Any is kind overloaded. + + M[AnyRef] // error, (AnyRef :: *) not kind-conformant to (N :: * -> * -> *) + + M[A] // error, (A :: (* -> *) not kind-conformant to (N :: * -> * -> *) + + M[B] // okay, (B :: (* -> * -> *) is kind-conformant to (N :: * -> * -> *) + + M[C] // error, (C :: (* -> * -> * -> *) not kind-conformant to (N :: * -> * -> *) +} diff --git a/tests/untried/neg/t4064.check b/tests/untried/neg/t4064.check new file mode 100644 index 000000000..0d0e20ded --- /dev/null +++ b/tests/untried/neg/t4064.check @@ -0,0 +1,4 @@ +t4064.scala:4: error: value FALSE is not a member of object Boolean + new Foo[Boolean](Boolean.FALSE) + ^ +one error found diff --git a/tests/untried/neg/t4064.scala b/tests/untried/neg/t4064.scala new file mode 100644 index 000000000..f8cb7848a --- /dev/null +++ b/tests/untried/neg/t4064.scala @@ -0,0 +1,5 @@ +class Foo[T](v: T) {} + +object Test { + new Foo[Boolean](Boolean.FALSE) +} diff --git a/tests/untried/neg/t4069.check b/tests/untried/neg/t4069.check new file mode 100644 index 000000000..08e937bdf --- /dev/null +++ b/tests/untried/neg/t4069.check @@ -0,0 +1,16 @@ +t4069.scala:7: error: unexpected end of input: possible missing '}' in XML block + case 2 => + ^ +t4069.scala:6: error: Missing closing brace `}' assumed here + </div> + ^ +t4069.scala:9: error: in XML literal: in XML content, please use '}}' to express '}' + } + ^ +t4069.scala:4: error: I encountered a '}' where I didn't expect one, maybe this tag isn't closed <div> + <div> + ^ +t4069.scala:10: error: '}' expected but eof found. +} + ^ +5 errors found diff --git a/tests/untried/neg/t4069.scala b/tests/untried/neg/t4069.scala new file mode 100644 index 000000000..80df6ec16 --- /dev/null +++ b/tests/untried/neg/t4069.scala @@ -0,0 +1,10 @@ +object ParserBug { + 1 match { + case 1 => + <div> + { 1 match { case 1 => "1"; case 2 => "2" } + </div> + case 2 => + <div/> + } +}
\ No newline at end of file diff --git a/tests/untried/neg/t4079.check b/tests/untried/neg/t4079.check new file mode 100644 index 000000000..f4c956c44 --- /dev/null +++ b/tests/untried/neg/t4079.check @@ -0,0 +1,4 @@ +t4079_2.scala:2: error: could not find implicit value for parameter f: Functor[List] + Cat.compose[List,Option].Functor + ^ +one error found diff --git a/tests/untried/neg/t4079/t4079_1.scala b/tests/untried/neg/t4079/t4079_1.scala new file mode 100644 index 000000000..cbae86478 --- /dev/null +++ b/tests/untried/neg/t4079/t4079_1.scala @@ -0,0 +1,33 @@ +trait Functor[F[_]] { + def map[A,B](fa: F[A], f: A => B): F[B] +} + +trait ComposeT[F[_],G[_]] { + type Apply[A] = F[G[A]] +} + +case class Compose[F[_],G[_]]() { + def Functor(implicit f: Functor[F], g: Functor[G]): Functor[ComposeT[F,G]#Apply] = + new Functor[ComposeT[F,G]#Apply] { + def map[A,B](c: ComposeT[F,G]#Apply[A], h: A => B) = + f.map(c, (x:G[A]) => g.map(x,h)) + } +} + +object Cat { + def compose[F[_],G[_]] = Compose[F,G]() +} + +object Functors { + implicit val List = new Functor[List] { + def map[A,B](fa: List[A], f: A => B): List[B] = fa map f + } + implicit val Option = new Functor[Option] { + def map[A,B](fa: Option[A], f: A => B): Option[B] = fa map f + } +} + +object Main { + import Functors._ + val cf = Cat.compose[List,Option].Functor +} diff --git a/tests/untried/neg/t4079/t4079_2.scala b/tests/untried/neg/t4079/t4079_2.scala new file mode 100644 index 000000000..9069f0ab4 --- /dev/null +++ b/tests/untried/neg/t4079/t4079_2.scala @@ -0,0 +1,3 @@ +object Test { + Cat.compose[List,Option].Functor +} diff --git a/tests/untried/neg/t409.check b/tests/untried/neg/t409.check new file mode 100644 index 000000000..0edc0d03c --- /dev/null +++ b/tests/untried/neg/t409.check @@ -0,0 +1,4 @@ +t409.scala:6: error: class Case1 needs to be a trait to be mixed in +class Toto extends Expr with Case1(12); + ^ +one error found diff --git a/tests/untried/neg/t409.scala b/tests/untried/neg/t409.scala new file mode 100644 index 000000000..5dac2fdaa --- /dev/null +++ b/tests/untried/neg/t409.scala @@ -0,0 +1,18 @@ +abstract class Expr; +case class Case1(x: Int) extends Expr; +case class Case2(x: Int) extends Expr; +case class Case3(x: Int) extends Expr; + +class Toto extends Expr with Case1(12); + +object Main { + def f(x: Expr): Int = x match { + case Case1(x) => x + case Case2(x) => x + case Case3(x) => x + } + + def main(args: Array[String]): Unit = { + Console.println(f(new Toto)); + } +} diff --git a/tests/untried/neg/t4091.check b/tests/untried/neg/t4091.check new file mode 100644 index 000000000..2fdd07fd4 --- /dev/null +++ b/tests/untried/neg/t4091.check @@ -0,0 +1,4 @@ +t4091.scala:1: error: expected start of definition +private a + ^ +one error found diff --git a/tests/untried/neg/t4091.scala b/tests/untried/neg/t4091.scala new file mode 100644 index 000000000..7df116d5b --- /dev/null +++ b/tests/untried/neg/t4091.scala @@ -0,0 +1,2 @@ +private a +class b diff --git a/tests/untried/neg/t4098.check b/tests/untried/neg/t4098.check new file mode 100644 index 000000000..232c082ec --- /dev/null +++ b/tests/untried/neg/t4098.check @@ -0,0 +1,13 @@ +t4098.scala:3: error: forward reference not allowed from self constructor invocation + this(b) + ^ +t4098.scala:8: error: forward reference not allowed from self constructor invocation + this(b) + ^ +t4098.scala:13: error: forward reference not allowed from self constructor invocation + this(b) + ^ +t4098.scala:18: error: forward reference not allowed from self constructor invocation + this(b) + ^ +four errors found diff --git a/tests/untried/neg/t4098.scala b/tests/untried/neg/t4098.scala new file mode 100644 index 000000000..2e6d16764 --- /dev/null +++ b/tests/untried/neg/t4098.scala @@ -0,0 +1,22 @@ +class A(a: Any) { + def this() = { + this(b) + def b = new {} + } + + def this(x: Int) = { + this(b) + lazy val b = new {} + } + + def this(x: Int, y: Int) = { + this(b) + val b = new {} + } + + def this(x: Int, y: Int, z: Int) = { + this(b) + println(".") + def b = new {} + } +} diff --git a/tests/untried/neg/t412.check b/tests/untried/neg/t412.check new file mode 100644 index 000000000..9cb467e85 --- /dev/null +++ b/tests/untried/neg/t412.check @@ -0,0 +1,5 @@ +t412.scala:11: error: stable identifier required, but A.this.c found. + Note that value c is not stable because its type, A.this.CX with A.this.C2, is volatile. + def castA(x: c.T): T2 = x; + ^ +one error found diff --git a/tests/untried/neg/t412.scala b/tests/untried/neg/t412.scala new file mode 100644 index 000000000..54cd90da1 --- /dev/null +++ b/tests/untried/neg/t412.scala @@ -0,0 +1,31 @@ +object Magic { + + abstract class A[T1,T2]() { + trait C { type T; } + trait C1 extends C { type T = T1; } + trait C2 extends C { type T <: T2; } + + type CX >: Null; + val c: CX with C2 = null; + + def castA(x: c.T): T2 = x; + } + + class B[T1,T2] extends A[T1,T2]() { + type CX = C1; + + def castB(x: T1): T2 = castA(x); + } + + def cast[T1,T2](v: T1): T2 = + new B[T1,T2]().castB(v) + +} + +object Test { + + def main(args: Array[String]): Unit = { + Magic.cast[String,Exception]("xyz").printStackTrace(); + } + +} diff --git a/tests/untried/neg/t4134.check b/tests/untried/neg/t4134.check new file mode 100644 index 000000000..35a1820b0 --- /dev/null +++ b/tests/untried/neg/t4134.check @@ -0,0 +1,4 @@ +t4134.scala:22: error: Member method f of mixin trait T2 is missing a concrete super implementation. +class Konkret extends T3 + ^ +one error found diff --git a/tests/untried/neg/t4134.scala b/tests/untried/neg/t4134.scala new file mode 100644 index 000000000..18f813dd1 --- /dev/null +++ b/tests/untried/neg/t4134.scala @@ -0,0 +1,30 @@ + + + +trait T1 { + def f: String +} + +trait T2 extends T1 { + abstract override def f: String = "goo" + def something = super.f // So the "abstract override" is needed +} + +trait Q1 { + def f: String = "bippy" +} + +//trait T3 extends Q1 with T2 { +trait T3 extends T2 with Q1 { + abstract override def f: String = super[Q1].f + " " + super[T2].f + " hoo" +} + +class Konkret extends T3 + +object Test { + def main(args: Array[String]): Unit = { + val k = new Konkret + println(k.f) + println(k.something) + } +} diff --git a/tests/untried/neg/t4137.check b/tests/untried/neg/t4137.check new file mode 100644 index 000000000..9767bdb1c --- /dev/null +++ b/tests/untried/neg/t4137.check @@ -0,0 +1,9 @@ +t4137.scala:9: error: overriding type EPC in trait A, which equals [X1]C[X1]; + type EPC has incompatible type + override type EPC = C[T] + ^ +t4137.scala:10: error: overriding type EPC2 in trait A, which equals [X1]C[X1]; + type EPC2 has incompatible type + override type EPC2[X1 <: String] = C[X1] + ^ +two errors found diff --git a/tests/untried/neg/t4137.scala b/tests/untried/neg/t4137.scala new file mode 100644 index 000000000..60de6de70 --- /dev/null +++ b/tests/untried/neg/t4137.scala @@ -0,0 +1,11 @@ +trait C[T] + +trait A[T] { + type EPC[X1] = C[X1] + type EPC2[X1] = C[X1] +} + +trait B[T] extends A[T] { + override type EPC = C[T] + override type EPC2[X1 <: String] = C[X1] +} diff --git a/tests/untried/neg/t414.check b/tests/untried/neg/t414.check new file mode 100644 index 000000000..30211eef8 --- /dev/null +++ b/tests/untried/neg/t414.check @@ -0,0 +1,12 @@ +t414.scala:5: error: pattern type is incompatible with expected type; + found : Empty.type + required: IntMap[a] +Note: if you intended to match against the class, try `case Empty()` + case Empty => + ^ +t414.scala:7: error: type mismatch; + found : Unit + required: a + case _ => + ^ +two errors found diff --git a/tests/untried/neg/t414.scala b/tests/untried/neg/t414.scala new file mode 100644 index 000000000..86646d13c --- /dev/null +++ b/tests/untried/neg/t414.scala @@ -0,0 +1,10 @@ +case class Empty[a]() extends IntMap[a]; +case class Node[a](left: IntMap[a], keyVal: Tuple2[Int, a], right: IntMap[a]) extends IntMap[a]; +abstract class IntMap[a] { + def lookup(key: Int): a = this match { + case Empty => + sys.error("clef inexistante") + case _ => + }; + +}; diff --git a/tests/untried/neg/t4158.check b/tests/untried/neg/t4158.check new file mode 100644 index 000000000..af281c52c --- /dev/null +++ b/tests/untried/neg/t4158.check @@ -0,0 +1,7 @@ +t4158.scala:3: error: an expression of type Null is ineligible for implicit conversion + var y = null: Int + ^ +t4158.scala:2: error: an expression of type Null is ineligible for implicit conversion + var x: Int = null + ^ +two errors found diff --git a/tests/untried/neg/t4158.scala b/tests/untried/neg/t4158.scala new file mode 100644 index 000000000..be3dc4398 --- /dev/null +++ b/tests/untried/neg/t4158.scala @@ -0,0 +1,4 @@ +class A { + var x: Int = null + var y = null: Int +} diff --git a/tests/untried/neg/t4163.check b/tests/untried/neg/t4163.check new file mode 100644 index 000000000..47bc78d31 --- /dev/null +++ b/tests/untried/neg/t4163.check @@ -0,0 +1,7 @@ +t4163.scala:4: error: '<-' expected but '=' found. + x = 3 + ^ +t4163.scala:5: error: illegal start of simple expression + y <- 0 to 100 +^ +two errors found diff --git a/tests/untried/neg/t4163.scala b/tests/untried/neg/t4163.scala new file mode 100644 index 000000000..44686731d --- /dev/null +++ b/tests/untried/neg/t4163.scala @@ -0,0 +1,8 @@ +class Bug { + val z = ( + for { + x = 3 + y <- 0 to 100 + } yield y + ).toArray +} diff --git a/tests/untried/neg/t4166.check b/tests/untried/neg/t4166.check new file mode 100644 index 000000000..10b77d841 --- /dev/null +++ b/tests/untried/neg/t4166.check @@ -0,0 +1,4 @@ +t4166.scala:3: error: super constructor arguments cannot reference unconstructed `this` +class Demo extends Base(new { Demo.this.toString }) { + ^ +one error found diff --git a/tests/untried/neg/t4166.scala b/tests/untried/neg/t4166.scala new file mode 100644 index 000000000..a2ee0671a --- /dev/null +++ b/tests/untried/neg/t4166.scala @@ -0,0 +1,11 @@ +class Base(a: Any) + +class Demo extends Base(new { Demo.this.toString }) { + val x: Any = () +} + + +class Demo2 extends Base(new { this.toString }) { + val x: Any = () +} + diff --git a/tests/untried/neg/t4174.check b/tests/untried/neg/t4174.check new file mode 100644 index 000000000..914fcff76 --- /dev/null +++ b/tests/untried/neg/t4174.check @@ -0,0 +1,4 @@ +t4174.scala:7: error: method bar overrides nothing + foo(new C { override def bar = 1 }) + ^ +one error found diff --git a/tests/untried/neg/t4174.scala b/tests/untried/neg/t4174.scala new file mode 100644 index 000000000..b4a5ab29d --- /dev/null +++ b/tests/untried/neg/t4174.scala @@ -0,0 +1,9 @@ +class C + +object Test { + def foo(c: C) = 0 + + def main(args: Array[String]): Unit = { + foo(new C { override def bar = 1 }) + } +} diff --git a/tests/untried/neg/t418.check b/tests/untried/neg/t418.check new file mode 100644 index 000000000..1b99717b8 --- /dev/null +++ b/tests/untried/neg/t418.check @@ -0,0 +1,4 @@ +t418.scala:2: error: not found: value Foo12340771 + null match { case Foo12340771.Bar(x) => x } + ^ +one error found diff --git a/tests/untried/neg/t418.scala b/tests/untried/neg/t418.scala new file mode 100644 index 000000000..67007010d --- /dev/null +++ b/tests/untried/neg/t418.scala @@ -0,0 +1,3 @@ +object Test { + null match { case Foo12340771.Bar(x) => x } +} diff --git a/tests/untried/neg/t4196.check b/tests/untried/neg/t4196.check new file mode 100644 index 000000000..a0586819e --- /dev/null +++ b/tests/untried/neg/t4196.check @@ -0,0 +1,4 @@ +t4196.scala:5: error: Some[String] does not take parameters + }.apply("first param") ("spurious param") + ^ +one error found diff --git a/tests/untried/neg/t4196.scala b/tests/untried/neg/t4196.scala new file mode 100644 index 000000000..a0ad4db72 --- /dev/null +++ b/tests/untried/neg/t4196.scala @@ -0,0 +1,6 @@ +object Weird { + { (s: String) => + val foo = Some(s); // to illustrate that vals are printed in the error + foo + }.apply("first param") ("spurious param") +} diff --git a/tests/untried/neg/t421.check b/tests/untried/neg/t421.check new file mode 100644 index 000000000..dc5fa425a --- /dev/null +++ b/tests/untried/neg/t421.check @@ -0,0 +1,4 @@ +t421.scala:5: error: star patterns must correspond with varargs parameters + case Bar("foo",_*) => sys.error("huh?"); + ^ +one error found diff --git a/tests/untried/neg/t421.scala b/tests/untried/neg/t421.scala new file mode 100644 index 000000000..9a327be89 --- /dev/null +++ b/tests/untried/neg/t421.scala @@ -0,0 +1,8 @@ +object foo { + case class Bar(a:String, b:AnyRef, c:String*); + + Bar("foo","meets","bar") match { + case Bar("foo",_*) => sys.error("huh?"); + } + +} diff --git a/tests/untried/neg/t4217.check b/tests/untried/neg/t4217.check new file mode 100644 index 000000000..6c49ec335 --- /dev/null +++ b/tests/untried/neg/t4217.check @@ -0,0 +1,4 @@ +t4217.scala:2: error: 'case' expected but '}' found. + 42 match { } + ^ +one error found diff --git a/tests/untried/neg/t4217.scala b/tests/untried/neg/t4217.scala new file mode 100644 index 000000000..0817df2cb --- /dev/null +++ b/tests/untried/neg/t4217.scala @@ -0,0 +1,3 @@ +object A extends App { + 42 match { } +} diff --git a/tests/untried/neg/t4221.check b/tests/untried/neg/t4221.check new file mode 100644 index 000000000..46c2d10a9 --- /dev/null +++ b/tests/untried/neg/t4221.check @@ -0,0 +1,6 @@ +t4221.scala:8: error: type mismatch; + found : Unit + required: Wrapper[S] + def wrap[S <: Cl#Sub[S]](v: S): Wrapper[S] = { + ^ +one error found diff --git a/tests/untried/neg/t4221.scala b/tests/untried/neg/t4221.scala new file mode 100644 index 000000000..0a8b8add1 --- /dev/null +++ b/tests/untried/neg/t4221.scala @@ -0,0 +1,10 @@ +class Cl { + class Sub[TheSub <: Sub[TheSub]] +} + +case class Wrapper[T](v: T) + +object O { + def wrap[S <: Cl#Sub[S]](v: S): Wrapper[S] = { + } +} diff --git a/tests/untried/neg/t425.check b/tests/untried/neg/t425.check new file mode 100644 index 000000000..77ea0c5a4 --- /dev/null +++ b/tests/untried/neg/t425.check @@ -0,0 +1,4 @@ +t425.scala:3: error: case class B has case ancestor Temp.A, but case-to-case inheritance is prohibited. To overcome this limitation, use extractors to pattern match on non-leaf nodes. + case class B(override val x: Int, y: Double) extends A(x) + ^ +one error found diff --git a/tests/untried/neg/t425.scala b/tests/untried/neg/t425.scala new file mode 100644 index 000000000..e50c50ac3 --- /dev/null +++ b/tests/untried/neg/t425.scala @@ -0,0 +1,11 @@ +object Temp{ + case class A(x: Int) + case class B(override val x: Int, y: Double) extends A(x) + + val b: A = B(5, 3.3) + b match { + case B(x, y) => Console.println(y) + case A(x) => Console.println(x) + } +} + diff --git a/tests/untried/neg/t4270.check b/tests/untried/neg/t4270.check new file mode 100644 index 000000000..cfe0a93e0 --- /dev/null +++ b/tests/untried/neg/t4270.check @@ -0,0 +1,4 @@ +t4270.scala:5: error: could not find implicit value for parameter e: Int + implicitly[Int] + ^ +one error found diff --git a/tests/untried/neg/t4270.scala b/tests/untried/neg/t4270.scala new file mode 100644 index 000000000..2c7c71d8c --- /dev/null +++ b/tests/untried/neg/t4270.scala @@ -0,0 +1,6 @@ +object Test1 { + object A { implicit val x: Int = 1 } + import A.x + def x: Int = 0 + implicitly[Int] +} diff --git a/tests/untried/neg/t4271.check b/tests/untried/neg/t4271.check new file mode 100644 index 000000000..91d9fbcfa --- /dev/null +++ b/tests/untried/neg/t4271.check @@ -0,0 +1,10 @@ +t4271.scala:9: error: value to is not a member of Int + 3 to 5 + ^ +t4271.scala:10: error: value ensuring is not a member of Int + 5 ensuring true + ^ +t4271.scala:11: error: value -> is not a member of Int + 3 -> 5 + ^ +three errors found diff --git a/tests/untried/neg/t4271.scala b/tests/untried/neg/t4271.scala new file mode 100644 index 000000000..46ae3ad9e --- /dev/null +++ b/tests/untried/neg/t4271.scala @@ -0,0 +1,12 @@ +object foo { + object Donotuseme + implicit def Ensuring[A](x: A) = Donotuseme + implicit def doubleWrapper(x: Int) = Donotuseme + implicit def floatWrapper(x: Int) = Donotuseme + implicit def intWrapper(x: Int) = Donotuseme + implicit def longWrapper(x: Int) = Donotuseme + implicit def ArrowAssoc[A](x: A) = Donotuseme + 3 to 5 + 5 ensuring true + 3 -> 5 +} diff --git a/tests/untried/neg/t4283b.check b/tests/untried/neg/t4283b.check new file mode 100644 index 000000000..30d03a310 --- /dev/null +++ b/tests/untried/neg/t4283b.check @@ -0,0 +1,4 @@ +Test.scala:2: error: Unable to access method f in class AbstractFoo with a super reference. + override def f(): Int = super.f() + ^ +one error found diff --git a/tests/untried/neg/t4283b/AbstractFoo.java b/tests/untried/neg/t4283b/AbstractFoo.java new file mode 100644 index 000000000..7abcd5e76 --- /dev/null +++ b/tests/untried/neg/t4283b/AbstractFoo.java @@ -0,0 +1,5 @@ +package test; + +/* package private */ class AbstractFoo { + public int f() { return 2; } +} diff --git a/tests/untried/neg/t4283b/ScalaBipp.scala b/tests/untried/neg/t4283b/ScalaBipp.scala new file mode 100644 index 000000000..36dea9f4d --- /dev/null +++ b/tests/untried/neg/t4283b/ScalaBipp.scala @@ -0,0 +1,5 @@ +package test + +class ScalaBipp extends AbstractFoo { + def make: Option[ScalaBipp] = Option(this) +} diff --git a/tests/untried/neg/t4283b/Test.scala b/tests/untried/neg/t4283b/Test.scala new file mode 100644 index 000000000..0dc5636ff --- /dev/null +++ b/tests/untried/neg/t4283b/Test.scala @@ -0,0 +1,3 @@ +object Derived extends test.ScalaBipp { + override def f(): Int = super.f() +} diff --git a/tests/untried/neg/t4302.check b/tests/untried/neg/t4302.check new file mode 100644 index 000000000..ea4872927 --- /dev/null +++ b/tests/untried/neg/t4302.check @@ -0,0 +1,6 @@ +t4302.scala:2: warning: abstract type T is unchecked since it is eliminated by erasure + def hasMatch[T](x: AnyRef) = x.isInstanceOf[T] + ^ +error: No warnings can be incurred under -Xfatal-warnings. +one warning found +one error found diff --git a/tests/untried/neg/t4302.flags b/tests/untried/neg/t4302.flags new file mode 100644 index 000000000..779916d58 --- /dev/null +++ b/tests/untried/neg/t4302.flags @@ -0,0 +1 @@ +-unchecked -Xfatal-warnings
\ No newline at end of file diff --git a/tests/untried/neg/t4302.scala b/tests/untried/neg/t4302.scala new file mode 100644 index 000000000..53565f05c --- /dev/null +++ b/tests/untried/neg/t4302.scala @@ -0,0 +1,3 @@ +object Test { + def hasMatch[T](x: AnyRef) = x.isInstanceOf[T] +} diff --git a/tests/untried/neg/t4417.check b/tests/untried/neg/t4417.check new file mode 100644 index 000000000..dbd0f1df4 --- /dev/null +++ b/tests/untried/neg/t4417.check @@ -0,0 +1,7 @@ +t4417.scala:11: error: constructor Pixel$mcD$sp in class Pixel$mcD$sp cannot be accessed in object Pixel + Access to protected constructor Pixel$mcD$sp not permitted because + enclosing object Pixel is not a subclass of + class Pixel$mcD$sp where target is defined + def apply(v: Double): Pixel1d = new Pixel1d(v) + ^ +one error found diff --git a/tests/untried/neg/t4417.scala b/tests/untried/neg/t4417.scala new file mode 100644 index 000000000..3f6ddc815 --- /dev/null +++ b/tests/untried/neg/t4417.scala @@ -0,0 +1,17 @@ + + + + +class Pixel[@specialized T] protected (var v: T) + + +object Pixel { + type Pixel1d = Pixel[Double] + + def apply(v: Double): Pixel1d = new Pixel1d(v) +} + + + + + diff --git a/tests/untried/neg/t4419.check b/tests/untried/neg/t4419.check new file mode 100644 index 000000000..a53e0c95d --- /dev/null +++ b/tests/untried/neg/t4419.check @@ -0,0 +1,4 @@ +t4419.scala:2: error: forward reference extends over definition of value b + { val b = a; val a = 1 ; println(a) } + ^ +one error found diff --git a/tests/untried/neg/t4419.scala b/tests/untried/neg/t4419.scala new file mode 100644 index 000000000..161593f9b --- /dev/null +++ b/tests/untried/neg/t4419.scala @@ -0,0 +1,3 @@ +class A { + { val b = a; val a = 1 ; println(a) } +} diff --git a/tests/untried/neg/t4425.check b/tests/untried/neg/t4425.check new file mode 100644 index 000000000..00006c08f --- /dev/null +++ b/tests/untried/neg/t4425.check @@ -0,0 +1,13 @@ +t4425.scala:3: error: object X is not a case class, nor does it have an unapply/unapplySeq member +Note: def unapply(x: Int)(y: Option[Int]): None.type exists in object X, but it cannot be used as an extractor due to its second non-implicit parameter list + 42 match { case _ X _ => () } + ^ +t4425.scala:8: error: object X is not a case class, nor does it have an unapply/unapplySeq member +Note: def unapply(x: Int)(y: Int): Some[(Int, Int)] exists in object X, but it cannot be used as an extractor due to its second non-implicit parameter list + 42 match { case _ X _ => () } + ^ +t4425.scala:13: error: object X is not a case class, nor does it have an unapply/unapplySeq member +Note: def unapply(x: String)(y: String): Some[(Int, Int)] exists in object X, but it cannot be used as an extractor due to its second non-implicit parameter list + "" match { case _ X _ => () } + ^ +three errors found diff --git a/tests/untried/neg/t4425.flags b/tests/untried/neg/t4425.flags new file mode 100644 index 000000000..1182725e8 --- /dev/null +++ b/tests/untried/neg/t4425.flags @@ -0,0 +1 @@ +-optimize
\ No newline at end of file diff --git a/tests/untried/neg/t4425.scala b/tests/untried/neg/t4425.scala new file mode 100644 index 000000000..8feedc20f --- /dev/null +++ b/tests/untried/neg/t4425.scala @@ -0,0 +1,14 @@ +object Foo { + object X { def unapply(x : Int)(y : Option[Int] = None) = None } + 42 match { case _ X _ => () } +} + +object Foo2 { + object X { def unapply(x : Int)(y: Int) = Some((2,2)) } + 42 match { case _ X _ => () } +} + +object Foo3 { + object X { def unapply(x : String)(y: String) = Some((2,2)) } + "" match { case _ X _ => () } +} diff --git a/tests/untried/neg/t4425b.check b/tests/untried/neg/t4425b.check new file mode 100644 index 000000000..8418b4fd1 --- /dev/null +++ b/tests/untried/neg/t4425b.check @@ -0,0 +1,49 @@ +t4425b.scala:5: error: object X is not a case class, nor does it have an unapply/unapplySeq member +Note: def unapply(x: String)(y: String): Nothing exists in object X, but it cannot be used as an extractor due to its second non-implicit parameter list + println( "" match { case _ X _ => "ok" ; case _ => "fail" }) + ^ +t4425b.scala:6: error: object X is not a case class, nor does it have an unapply/unapplySeq member +Note: def unapply(x: String)(y: String): Nothing exists in object X, but it cannot be used as an extractor due to its second non-implicit parameter list + println((X: Any) match { case _ X _ => "ok" ; case _ => "fail" }) + ^ +t4425b.scala:7: error: object X is not a case class, nor does it have an unapply/unapplySeq member +Note: def unapply(x: String)(y: String): Nothing exists in object X, but it cannot be used as an extractor due to its second non-implicit parameter list + println( "" match { case X(_) => "ok" ; case _ => "fail" }) + ^ +t4425b.scala:8: error: object X is not a case class, nor does it have an unapply/unapplySeq member +Note: def unapply(x: String)(y: String): Nothing exists in object X, but it cannot be used as an extractor due to its second non-implicit parameter list + println((X: Any) match { case X(_) => "ok" ; case _ => "fail" }) + ^ +t4425b.scala:9: error: object X is not a case class, nor does it have an unapply/unapplySeq member +Note: def unapply(x: String)(y: String): Nothing exists in object X, but it cannot be used as an extractor due to its second non-implicit parameter list + println( "" match { case X(_, _) => "ok" ; case _ => "fail" }) + ^ +t4425b.scala:10: error: object X is not a case class, nor does it have an unapply/unapplySeq member +Note: def unapply(x: String)(y: String): Nothing exists in object X, but it cannot be used as an extractor due to its second non-implicit parameter list + println((X: Any) match { case X(_, _) => "ok" ; case _ => "fail" }) + ^ +t4425b.scala:18: error: too many patterns for object X: expected 1, found 2 + println( "" match { case _ X _ => "ok" ; case _ => "fail" }) + ^ +t4425b.scala:19: error: too many patterns for object X: expected 1, found 2 + println((X: Any) match { case _ X _ => "ok" ; case _ => "fail" }) + ^ +t4425b.scala:22: error: too many patterns for object X: expected 1, found 2 + println( "" match { case X(_, _) => "ok" ; case _ => "fail" }) + ^ +t4425b.scala:23: error: too many patterns for object X: expected 1, found 2 + println((X: Any) match { case X(_, _) => "ok" ; case _ => "fail" }) + ^ +t4425b.scala:31: error: too many patterns for object X offering Nothing: expected 1, found 2 + println( "" match { case _ X _ => "ok" ; case _ => "fail" }) + ^ +t4425b.scala:32: error: too many patterns for object X offering Nothing: expected 1, found 2 + println((X: Any) match { case _ X _ => "ok" ; case _ => "fail" }) + ^ +t4425b.scala:35: error: too many patterns for object X offering Nothing: expected 1, found 2 + println( "" match { case X(_, _) => "ok" ; case _ => "fail" }) + ^ +t4425b.scala:36: error: too many patterns for object X offering Nothing: expected 1, found 2 + println((X: Any) match { case X(_, _) => "ok" ; case _ => "fail" }) + ^ +14 errors found diff --git a/tests/untried/neg/t4425b.scala b/tests/untried/neg/t4425b.scala new file mode 100644 index 000000000..23c4855c7 --- /dev/null +++ b/tests/untried/neg/t4425b.scala @@ -0,0 +1,38 @@ +object Test1 { + object X { def unapply(x : String)(y: String) = throw new Exception } + + def f1(): Unit = { + println( "" match { case _ X _ => "ok" ; case _ => "fail" }) + println((X: Any) match { case _ X _ => "ok" ; case _ => "fail" }) + println( "" match { case X(_) => "ok" ; case _ => "fail" }) + println((X: Any) match { case X(_) => "ok" ; case _ => "fail" }) + println( "" match { case X(_, _) => "ok" ; case _ => "fail" }) + println((X: Any) match { case X(_, _) => "ok" ; case _ => "fail" }) + } +} + +object Test2 { + object X { def unapply(x : String) = throw new Exception } + + def f1(): Unit = { + println( "" match { case _ X _ => "ok" ; case _ => "fail" }) + println((X: Any) match { case _ X _ => "ok" ; case _ => "fail" }) + println( "" match { case X(_) => "ok" ; case _ => "fail" }) + println((X: Any) match { case X(_) => "ok" ; case _ => "fail" }) + println( "" match { case X(_, _) => "ok" ; case _ => "fail" }) + println((X: Any) match { case X(_, _) => "ok" ; case _ => "fail" }) + } +} + +object Test3 { + object X { def unapply(x : String) = None } + + def f1(): Unit = { + println( "" match { case _ X _ => "ok" ; case _ => "fail" }) + println((X: Any) match { case _ X _ => "ok" ; case _ => "fail" }) + println( "" match { case X(_) => "ok" ; case _ => "fail" }) + println((X: Any) match { case X(_) => "ok" ; case _ => "fail" }) + println( "" match { case X(_, _) => "ok" ; case _ => "fail" }) + println((X: Any) match { case X(_, _) => "ok" ; case _ => "fail" }) + } +} diff --git a/tests/untried/neg/t4431.check b/tests/untried/neg/t4431.check new file mode 100644 index 000000000..7896ec1a6 --- /dev/null +++ b/tests/untried/neg/t4431.check @@ -0,0 +1,7 @@ +t4431.scala:5: error: class BB needs to be abstract, since there is a deferred declaration of method f which is not implemented in a subclass + class BB extends B { def f (): Unit } + ^ +t4431.scala:8: error: trait cannot redefine final method from class AnyRef + trait C { def wait (): Unit } + ^ +two errors found diff --git a/tests/untried/neg/t4431.scala b/tests/untried/neg/t4431.scala new file mode 100644 index 000000000..5fbb239e0 --- /dev/null +++ b/tests/untried/neg/t4431.scala @@ -0,0 +1,16 @@ +object Test { + // this works. + class B { final def f(): Unit = () } + trait A extends B { def f (): Unit } + class BB extends B { def f (): Unit } + + // this earns a VerifyError. + trait C { def wait (): Unit } + class D { } + + def main(args: Array[String]): Unit = { + new B with A { } + new BB +// new D with C { } + } +} diff --git a/tests/untried/neg/t4440.check b/tests/untried/neg/t4440.check new file mode 100644 index 000000000..10e7188e3 --- /dev/null +++ b/tests/untried/neg/t4440.check @@ -0,0 +1,15 @@ +t4440.scala:12: warning: The outer reference in this type test cannot be checked at run time. + case _: b.Inner => println("b") + ^ +t4440.scala:13: warning: The outer reference in this type test cannot be checked at run time. + case _: a.Inner => println("a") // this is the case we want + ^ +t4440.scala:16: warning: The outer reference in this type test cannot be checked at run time. + case _: a.Inner => println("a") + ^ +t4440.scala:17: warning: The outer reference in this type test cannot be checked at run time. + case _: b.Inner => println("b") // this is the case we want + ^ +error: No warnings can be incurred under -Xfatal-warnings. +four warnings found +one error found diff --git a/tests/untried/neg/t4440.flags b/tests/untried/neg/t4440.flags new file mode 100644 index 000000000..779916d58 --- /dev/null +++ b/tests/untried/neg/t4440.flags @@ -0,0 +1 @@ +-unchecked -Xfatal-warnings
\ No newline at end of file diff --git a/tests/untried/neg/t4440.scala b/tests/untried/neg/t4440.scala new file mode 100644 index 000000000..383b141ed --- /dev/null +++ b/tests/untried/neg/t4440.scala @@ -0,0 +1,19 @@ +// constructors used to drop outer fields when they were not accessed +// however, how can you know (respecting separate compilation) that they're not accessed!? +class Outer { final class Inner } + +// the matches below require Inner's outer pointer +// until SI-4440 is fixed properly, we can't make this a run test +// in principle, the output should be "a\nb", but without outer checks it's "b\na" +object Test extends App { + val a = new Outer + val b = new Outer + (new a.Inner: Any) match { + case _: b.Inner => println("b") + case _: a.Inner => println("a") // this is the case we want + } + (new b.Inner: Any) match { + case _: a.Inner => println("a") + case _: b.Inner => println("b") // this is the case we want + } +} diff --git a/tests/untried/neg/t4457_1.check b/tests/untried/neg/t4457_1.check new file mode 100644 index 000000000..c6b83c6ce --- /dev/null +++ b/tests/untried/neg/t4457_1.check @@ -0,0 +1,7 @@ +t4457_1.scala:27: error: ambiguous reference to overloaded definition, +both method aFunc in object ImplicitConvAmbiguity2 of type [A](a: ImplicitConvAmbiguity2.NZ[A])ImplicitConvAmbiguity2.AA[Float] +and method aFunc in object ImplicitConvAmbiguity2 of type [A](a: ImplicitConvAmbiguity2.NE[A])ImplicitConvAmbiguity2.AA[A] +match argument types (Float) + val x = aFunc(4F) + ^ +one error found diff --git a/tests/untried/neg/t4457_1.scala b/tests/untried/neg/t4457_1.scala new file mode 100644 index 000000000..11dae1097 --- /dev/null +++ b/tests/untried/neg/t4457_1.scala @@ -0,0 +1,33 @@ +object ImplicitConvAmbiguity2 { + + class N[T] + class NE[T] extends N[T] + class NN[T] extends N[T] + class NQ[T] extends N[T] + class NZ[T] extends N[T] + class AA[A] + class BB[A] + + implicit def conv1(i: Float) = new NE[Float] + implicit def conv3(op: AA[java.util.TooManyListenersException]) = new N[java.util.TooManyListenersException] + implicit def conv4(op: AA[Float]) = new N[Float] + implicit def conv7(i: Float) = new NZ[Float] + implicit def conv5(e: BB[java.util.GregorianCalendar]) = new N[java.util.GregorianCalendar] + + // These two will be in conflict in typeMe1 + def aFunc[A](a: NE[A]) = new AA[A] + def aFunc[A](a: NZ[A]) = new AA[Float] + + def aFunc[A](a: NN[A]) = new BB[A] + def aFunc[A](a: NQ[A]) = new BB[A] + + def bFunc[T](e1: N[T]) = {} + + def typeMe1: Unit = { + val x = aFunc(4F) + bFunc(x) + } + def typeMe2: Unit = { + bFunc(aFunc(4F)) + } +} diff --git a/tests/untried/neg/t4457_2.check b/tests/untried/neg/t4457_2.check new file mode 100644 index 000000000..770a35539 --- /dev/null +++ b/tests/untried/neg/t4457_2.check @@ -0,0 +1,13 @@ +t4457_2.scala:27: error: ambiguous reference to overloaded definition, +both method aFunc in object ImplicitConvAmbiguity2 of type [A](a: ImplicitConvAmbiguity2.NZ[A])ImplicitConvAmbiguity2.AA[A] +and method aFunc in object ImplicitConvAmbiguity2 of type [A](a: ImplicitConvAmbiguity2.NE[A])ImplicitConvAmbiguity2.AA[A] +match argument types (Float) + val x = aFunc(4F) + ^ +t4457_2.scala:31: error: ambiguous reference to overloaded definition, +both method aFunc in object ImplicitConvAmbiguity2 of type [A](a: ImplicitConvAmbiguity2.NZ[A])ImplicitConvAmbiguity2.AA[A] +and method aFunc in object ImplicitConvAmbiguity2 of type [A](a: ImplicitConvAmbiguity2.NE[A])ImplicitConvAmbiguity2.AA[A] +match argument types (Float) + bFunc(aFunc(4F)) + ^ +two errors found diff --git a/tests/untried/neg/t4457_2.scala b/tests/untried/neg/t4457_2.scala new file mode 100644 index 000000000..f2664cc14 --- /dev/null +++ b/tests/untried/neg/t4457_2.scala @@ -0,0 +1,33 @@ +object ImplicitConvAmbiguity2 { + + class N[T] + class NE[T] extends N[T] + class NN[T] extends N[T] + class NQ[T] extends N[T] + class NZ[T] extends N[T] + class AA[A] + class BB[A] + + implicit def conv1(i: Float) = new NE[Float] + implicit def conv3(op: AA[java.util.TooManyListenersException]) = new N[java.util.TooManyListenersException] + implicit def conv4(op: AA[Float]) = new N[Float] + implicit def conv7(i: Float) = new NZ[Float] + implicit def conv5(e: BB[java.util.GregorianCalendar]) = new N[java.util.GregorianCalendar] + + def aFunc[A](a: NE[A]) = new AA[A] + def aFunc[A](a: NZ[A]) = new AA[A] + + def aFunc[A](a: NN[A]) = new BB[A] + + def aFunc[A](a: NQ[A]) = new BB[A] + + def bFunc[T](e1: N[T]) = {} + + def typeMe2: Unit = { + val x = aFunc(4F) + bFunc(x) + } + def typeMe1: Unit = { + bFunc(aFunc(4F)) + } +} diff --git a/tests/untried/neg/t4460a.check b/tests/untried/neg/t4460a.check new file mode 100644 index 000000000..b711e7acb --- /dev/null +++ b/tests/untried/neg/t4460a.check @@ -0,0 +1,4 @@ +t4460a.scala:6: error: called constructor's definition must precede calling constructor's definition + def this() = this() // was binding to Predef.<init> !! + ^ +one error found diff --git a/tests/untried/neg/t4460a.scala b/tests/untried/neg/t4460a.scala new file mode 100644 index 000000000..0a7a22178 --- /dev/null +++ b/tests/untried/neg/t4460a.scala @@ -0,0 +1,7 @@ +trait A + +class B(val x: Int) { + self: A => + + def this() = this() // was binding to Predef.<init> !! +} diff --git a/tests/untried/neg/t4460b.check b/tests/untried/neg/t4460b.check new file mode 100644 index 000000000..f0e703fd1 --- /dev/null +++ b/tests/untried/neg/t4460b.check @@ -0,0 +1,4 @@ +t4460b.scala:7: error: called constructor's definition must precede calling constructor's definition + def this() = this() // was binding to Predef.<init> !! + ^ +one error found diff --git a/tests/untried/neg/t4460b.scala b/tests/untried/neg/t4460b.scala new file mode 100644 index 000000000..1233017dd --- /dev/null +++ b/tests/untried/neg/t4460b.scala @@ -0,0 +1,9 @@ +trait A + +class Outer() { + class B(val x: Int) { + self: A => + + def this() = this() // was binding to Predef.<init> !! + } +} diff --git a/tests/untried/neg/t4460c.check b/tests/untried/neg/t4460c.check new file mode 100644 index 000000000..4e96711b8 --- /dev/null +++ b/tests/untried/neg/t4460c.check @@ -0,0 +1,7 @@ +t4460c.scala:4: error: overloaded method constructor B with alternatives: + (a: String)B <and> + (x: Int)B + cannot be applied to () + def this(a: String) = this() + ^ +one error found diff --git a/tests/untried/neg/t4460c.scala b/tests/untried/neg/t4460c.scala new file mode 100644 index 000000000..1ae258508 --- /dev/null +++ b/tests/untried/neg/t4460c.scala @@ -0,0 +1,7 @@ +class B(val x: Int) { + self: A => + + def this(a: String) = this() +} + +class A() diff --git a/tests/untried/neg/t4515.check b/tests/untried/neg/t4515.check new file mode 100644 index 000000000..708fcfbd2 --- /dev/null +++ b/tests/untried/neg/t4515.check @@ -0,0 +1,16 @@ +t4515.scala:37: error: type mismatch; + found : _$1 where type _$1 + required: _$2 + handler.onEvent(target, ctx.getEvent, node, ctx) + ^ +t4515.scala:37: error: type mismatch; + found : Main.DerivedPushNode[_$1] where type _$1 + required: Main.PushNode[_$2] + handler.onEvent(target, ctx.getEvent, node, ctx) + ^ +t4515.scala:37: error: type mismatch; + found : Main.PushEventContext[_$1] where type _$1 + required: Main.PushEventContext[_$2] + handler.onEvent(target, ctx.getEvent, node, ctx) + ^ +three errors found diff --git a/tests/untried/neg/t4515.scala b/tests/untried/neg/t4515.scala new file mode 100644 index 000000000..8965b9686 --- /dev/null +++ b/tests/untried/neg/t4515.scala @@ -0,0 +1,41 @@ +import scala.collection.mutable.HashMap + +object Main { + trait Target { } + + trait PushEventContext[EventType] { + def getEvent: EventType + } + trait PushNode[EventType] { } + trait DerivedPushNode[EventType] extends PushNode[EventType] { } + + trait HandlerBase[EventType] { + def onEvent(target: Target, + event: EventType, + node: PushNode[EventType], + ctx: PushEventContext[EventType]): Unit + } + val handlers = new HashMap[DerivedPushNode[_], HandlerBase[_]] + + object TimerPushService { + private val INSTANCE: TimerPushService = new TimerPushService + def get: TimerPushService = INSTANCE + } + + class TimerPushService { + def add[EventType](node: DerivedPushNode[EventType], + context: PushEventContext[EventType]): Unit = {} + + def pollEvents[EventType](node: DerivedPushNode[EventType]): List[PushEventContext[EventType]] = + Nil + } + + def onTimer(target: Target): Unit = { + val pushService = TimerPushService.get + for ((node, handler) <- handlers) { + for (ctx <- pushService.pollEvents(node)) { + handler.onEvent(target, ctx.getEvent, node, ctx) + } + } + } +} diff --git a/tests/untried/neg/t452.check b/tests/untried/neg/t452.check new file mode 100644 index 000000000..aac663068 --- /dev/null +++ b/tests/untried/neg/t452.check @@ -0,0 +1,6 @@ +t452.scala:3: error: type mismatch; + found : Test.type + required: Test.Foo + def this() = this(this); + ^ +one error found diff --git a/tests/untried/neg/t452.scala b/tests/untried/neg/t452.scala new file mode 100644 index 000000000..855406d0c --- /dev/null +++ b/tests/untried/neg/t452.scala @@ -0,0 +1,8 @@ +object Test { + class Foo(x: Foo) { + def this() = this(this); + } + def main(args: Array[String]): Unit = { + new Foo(); + } +} diff --git a/tests/untried/neg/t4541.check b/tests/untried/neg/t4541.check new file mode 100644 index 000000000..7bd8ff78f --- /dev/null +++ b/tests/untried/neg/t4541.check @@ -0,0 +1,7 @@ +t4541.scala:11: error: variable data in class Sparse cannot be accessed in Sparse[Int] + Access to protected method data not permitted because + prefix type Sparse[Int] does not conform to + class Sparse$mcI$sp where the access take place + that.data + ^ +one error found diff --git a/tests/untried/neg/t4541.scala b/tests/untried/neg/t4541.scala new file mode 100644 index 000000000..744af1c28 --- /dev/null +++ b/tests/untried/neg/t4541.scala @@ -0,0 +1,16 @@ + + + + + + +@SerialVersionUID(1L) +final class Sparse[@specialized(Int) T](d: Array[T]) extends Serializable { + protected var data: Array[T] = d + def set(that: Sparse[T]) = { + that.data + } +} + + + diff --git a/tests/untried/neg/t4541b.check b/tests/untried/neg/t4541b.check new file mode 100644 index 000000000..8a52fd97f --- /dev/null +++ b/tests/untried/neg/t4541b.check @@ -0,0 +1,7 @@ +t4541b.scala:13: error: variable data in class SparseArray cannot be accessed in SparseArray[Int] + Access to protected method data not permitted because + prefix type SparseArray[Int] does not conform to + class SparseArray$mcI$sp where the access take place + use(that.data.clone) + ^ +one error found diff --git a/tests/untried/neg/t4541b.scala b/tests/untried/neg/t4541b.scala new file mode 100644 index 000000000..ba406cad6 --- /dev/null +++ b/tests/untried/neg/t4541b.scala @@ -0,0 +1,16 @@ + + + + + +@SerialVersionUID(1L) +final class SparseArray[@specialized(Int) T](private var data: Array[T]) extends Serializable { + def use(inData: Array[T]) = { + data = inData; + } + + def set(that: SparseArray[T]) = { + use(that.data.clone) + } +} + diff --git a/tests/untried/neg/t4568.check b/tests/untried/neg/t4568.check new file mode 100644 index 000000000..f94d69948 --- /dev/null +++ b/tests/untried/neg/t4568.check @@ -0,0 +1,4 @@ +t4568.scala:8: error: recursive method isSubListOf needs result type + case h :: t => y.contains(h) && (t.isSubListOf(y.drop(y.indexOf(h) + 1))) + ^ +one error found diff --git a/tests/untried/neg/t4568.scala b/tests/untried/neg/t4568.scala new file mode 100644 index 000000000..6fda28736 --- /dev/null +++ b/tests/untried/neg/t4568.scala @@ -0,0 +1,13 @@ +object SubList { + implicit def sublistable[A](x: List[A]) = new SubListable(x) + + class SubListable[A](x: List[A]) { + def isSubListOf(y: List[A]) = { + x match { + case Nil => true + case h :: t => y.contains(h) && (t.isSubListOf(y.drop(y.indexOf(h) + 1))) + } + } + } + +} diff --git a/tests/untried/neg/t4584.check b/tests/untried/neg/t4584.check new file mode 100644 index 000000000..97d07afa0 --- /dev/null +++ b/tests/untried/neg/t4584.check @@ -0,0 +1,7 @@ +t4584.scala:1: error: error in unicode escape +class A { val \u2 + ^ +t4584.scala:1: error: illegal character '\uffff' +class A { val \u2 + ^ +two errors found diff --git a/tests/untried/neg/t4584.scala b/tests/untried/neg/t4584.scala new file mode 100644 index 000000000..b34aba91a --- /dev/null +++ b/tests/untried/neg/t4584.scala @@ -0,0 +1 @@ +class A { val \u2
\ No newline at end of file diff --git a/tests/untried/neg/t464-neg.check b/tests/untried/neg/t464-neg.check new file mode 100644 index 000000000..e822e7fb6 --- /dev/null +++ b/tests/untried/neg/t464-neg.check @@ -0,0 +1,16 @@ +t464-neg.scala:7: error: not found: value f1 + f1() + ^ +t464-neg.scala:8: error: method f1 in class A cannot be accessed in A + super.f1() + ^ +t464-neg.scala:9: error: value f2 is not a member of B + def otherb(b2: B) = b2.f2() + ^ +t464-neg.scala:10: error: method f3 in class A cannot be accessed in B + f3() + ^ +t464-neg.scala:11: error: method f3 in class A cannot be accessed in A + super.f3() + ^ +5 errors found diff --git a/tests/untried/neg/t464-neg.scala b/tests/untried/neg/t464-neg.scala new file mode 100644 index 000000000..c2f027a21 --- /dev/null +++ b/tests/untried/neg/t464-neg.scala @@ -0,0 +1,12 @@ +class A { + private[this] def f1(): Unit = {} + protected[this] def f2(): Unit = {} + private[A] def f3(): Unit = {} +} +class B extends A { + f1() + super.f1() + def otherb(b2: B) = b2.f2() + f3() + super.f3() +} diff --git a/tests/untried/neg/t4691_exhaust_extractor.check b/tests/untried/neg/t4691_exhaust_extractor.check new file mode 100644 index 000000000..639694414 --- /dev/null +++ b/tests/untried/neg/t4691_exhaust_extractor.check @@ -0,0 +1,15 @@ +t4691_exhaust_extractor.scala:17: warning: match may not be exhaustive. +It would fail on the following input: Bar3() + def f1(x: Foo) = x match { + ^ +t4691_exhaust_extractor.scala:23: warning: match may not be exhaustive. +It would fail on the following input: Bar3() + def f2(x: Foo) = x match { + ^ +t4691_exhaust_extractor.scala:29: warning: match may not be exhaustive. +It would fail on the following input: Bar3() + def f3(x: Foo) = x match { + ^ +error: No warnings can be incurred under -Xfatal-warnings. +three warnings found +one error found diff --git a/tests/untried/neg/t4691_exhaust_extractor.flags b/tests/untried/neg/t4691_exhaust_extractor.flags new file mode 100644 index 000000000..e8fb65d50 --- /dev/null +++ b/tests/untried/neg/t4691_exhaust_extractor.flags @@ -0,0 +1 @@ +-Xfatal-warnings
\ No newline at end of file diff --git a/tests/untried/neg/t4691_exhaust_extractor.scala b/tests/untried/neg/t4691_exhaust_extractor.scala new file mode 100644 index 000000000..25b64186d --- /dev/null +++ b/tests/untried/neg/t4691_exhaust_extractor.scala @@ -0,0 +1,33 @@ +sealed trait Foo +class Bar1 extends Foo +class Bar2 extends Foo +class Bar3 extends Foo + +// these extractors are known to always succeed as they return a Some +object Baz1 { + def unapply(x: Bar1): Some[Int] = Some(1) +} +object Baz2 { + def unapply(x: Bar2): Some[Int] = Some(2) +} + + +object Test { + // warning: missing Bar3 + def f1(x: Foo) = x match { + case _: Bar1 => 1 + case _: Bar2 => 2 + } + + // warning: missing Bar3 + def f2(x: Foo) = x match { + case _: Bar1 => 1 + case Baz2(x) => x + } + + // warning: missing Bar3 + def f3(x: Foo) = x match { + case Baz1(x) => x + case Baz2(x) => x + } +} diff --git a/tests/untried/neg/t4727.check b/tests/untried/neg/t4727.check new file mode 100644 index 000000000..a17cdde04 --- /dev/null +++ b/tests/untried/neg/t4727.check @@ -0,0 +1,5 @@ +t4727.scala:5: error: an expression of type Null is ineligible for implicit conversion +Error occurred in an application involving default arguments. + new C[Int] + ^ +one error found diff --git a/tests/untried/neg/t4727.scala b/tests/untried/neg/t4727.scala new file mode 100644 index 000000000..40c06713c --- /dev/null +++ b/tests/untried/neg/t4727.scala @@ -0,0 +1,7 @@ +class C[T](x : T = null) + +object Test { + def main(args: Array[String]): Unit = { + new C[Int] + } +} diff --git a/tests/untried/neg/t4728.check b/tests/untried/neg/t4728.check new file mode 100644 index 000000000..c6ef182d3 --- /dev/null +++ b/tests/untried/neg/t4728.check @@ -0,0 +1,7 @@ +t4728.scala:10: error: ambiguous reference to overloaded definition, +both method f in object Ambiguous of type (ys: Y*)Int +and method f in object Ambiguous of type (x: X)Int +match argument types (Y) and expected result type Any + println(Ambiguous.f(new Y)) + ^ +one error found diff --git a/tests/untried/neg/t4728.scala b/tests/untried/neg/t4728.scala new file mode 100644 index 000000000..83d3fc7c2 --- /dev/null +++ b/tests/untried/neg/t4728.scala @@ -0,0 +1,11 @@ +class X +class Y extends X +object Ambiguous { + def f(x: X) = 1 + def f(ys: Y*) = 2 +} + +object Test extends App { + println(Ambiguous.f(new X)) + println(Ambiguous.f(new Y)) +} diff --git a/tests/untried/neg/t473.check b/tests/untried/neg/t473.check new file mode 100644 index 000000000..a14222c96 --- /dev/null +++ b/tests/untried/neg/t473.check @@ -0,0 +1,4 @@ +t473.scala:3: error: super constructor cannot be passed a self reference unless parameter is declared by-name +case object Voop extends Foo(Voop) + ^ +one error found diff --git a/tests/untried/neg/t473.scala b/tests/untried/neg/t473.scala new file mode 100644 index 000000000..c7631705a --- /dev/null +++ b/tests/untried/neg/t473.scala @@ -0,0 +1,3 @@ +class Foo(x: Foo) +case object Bar extends Foo(null) +case object Voop extends Foo(Voop) diff --git a/tests/untried/neg/t4749.check b/tests/untried/neg/t4749.check new file mode 100644 index 000000000..353914095 --- /dev/null +++ b/tests/untried/neg/t4749.check @@ -0,0 +1,34 @@ +t4749.scala:2: warning: Fail1 has a main method with parameter type Array[String], but bippy.Fail1 will not be a runnable program. + Reason: main method must have exact signature (Array[String])Unit + object Fail1 { + ^ +t4749.scala:6: warning: Fail2 has a main method with parameter type Array[String], but bippy.Fail2 will not be a runnable program. + Reason: main methods cannot be generic. + object Fail2 { + ^ +t4749.scala:13: warning: Fail3 has a main method with parameter type Array[String], but bippy.Fail3 will not be a runnable program. + Reason: main methods cannot refer to type parameters or abstract types. + object Fail3 extends Bippy[Unit] { } + ^ +t4749.scala:16: warning: Fail4 has a main method with parameter type Array[String], but bippy.Fail4 will not be a runnable program. + Reason: companion is a trait, which means no static forwarder can be generated. + + object Fail4 { + ^ +t4749.scala:21: warning: Fail5 has a main method with parameter type Array[String], but bippy.Fail5 will not be a runnable program. + Reason: companion contains its own main method, which means no static forwarder can be generated. + + object Fail5 extends Fail5 { } + ^ +t4749.scala:26: warning: Fail6 has a main method with parameter type Array[String], but bippy.Fail6 will not be a runnable program. + Reason: companion contains its own main method (implementation restriction: no main is allowed, regardless of signature), which means no static forwarder can be generated. + + object Fail6 { + ^ +t4749.scala:42: warning: Win3 has a main method with parameter type Array[String], but bippy.Win3 will not be a runnable program. + Reason: main method must have exact signature (Array[String])Unit + object Win3 extends WinBippy[Unit] { } + ^ +error: No warnings can be incurred under -Xfatal-warnings. +7 warnings found +one error found diff --git a/tests/untried/neg/t4749.flags b/tests/untried/neg/t4749.flags new file mode 100644 index 000000000..e8fb65d50 --- /dev/null +++ b/tests/untried/neg/t4749.flags @@ -0,0 +1 @@ +-Xfatal-warnings
\ No newline at end of file diff --git a/tests/untried/neg/t4749.scala b/tests/untried/neg/t4749.scala new file mode 100644 index 000000000..2c67e2ea9 --- /dev/null +++ b/tests/untried/neg/t4749.scala @@ -0,0 +1,44 @@ +package bippy { + object Fail1 { + def main(args: Array[String]): Any = () + } + + object Fail2 { + def main[T](args: Array[String]): T = null.asInstanceOf[T] + } + + abstract class Bippy[T] { + def main(args: Array[String]): T = null.asInstanceOf[T] + } + object Fail3 extends Bippy[Unit] { } + + + object Fail4 { + def main(args: Array[String]): Unit = () + } + trait Fail4 { } + + object Fail5 extends Fail5 { } + class Fail5 { + def main(args: Array[String]): Unit = () + } + + object Fail6 { + def main(args: Array[String]): Unit = () + } + class Fail6 { + def main = "bippy" + } + + object Win1 { + def main(args: Array[String]): Unit = () + } + object Win2 extends Bippy[Unit] { + override def main(args: Array[String]): Unit = () + } + trait WinBippy[T] { + def main(args: Array[String]): T = null.asInstanceOf[T] + } + object Win3 extends WinBippy[Unit] { } +} + diff --git a/tests/untried/neg/t4762.check b/tests/untried/neg/t4762.check new file mode 100644 index 000000000..a0525f622 --- /dev/null +++ b/tests/untried/neg/t4762.check @@ -0,0 +1,9 @@ +t4762.scala:15: warning: private[this] value x in class B shadows mutable x inherited from class A. Changes to x will not be visible within class B - you may want to give them distinct names. + /* (99,99) */ (this.x, this.y), + ^ +t4762.scala:48: warning: private[this] value x in class Derived shadows mutable x inherited from class Base. Changes to x will not be visible within class Derived - you may want to give them distinct names. + class Derived( x : Int ) extends Base( x ) { override def toString = x.toString } + ^ +error: No warnings can be incurred under -Xfatal-warnings. +two warnings found +one error found diff --git a/tests/untried/neg/t4762.flags b/tests/untried/neg/t4762.flags new file mode 100644 index 000000000..e93641e93 --- /dev/null +++ b/tests/untried/neg/t4762.flags @@ -0,0 +1 @@ +-Xlint -Xfatal-warnings
\ No newline at end of file diff --git a/tests/untried/neg/t4762.scala b/tests/untried/neg/t4762.scala new file mode 100644 index 000000000..07b3152a6 --- /dev/null +++ b/tests/untried/neg/t4762.scala @@ -0,0 +1,51 @@ +// https://issues.scala-lang.org/browse/SI-4762 + +// In A, x and y are -1. +class A(var x: Int) { + val y: Int = -1 +} + +// In B, x and y are 99 and private[this], implicitly so +// in the case of x. +class B(x: Int) extends A(-1) { + private[this] def y: Int = 99 + + // Three distinct results. + def f = List( + /* (99,99) */ (this.x, this.y), + /* (-1,99) */ ((this: B).x, (this: B).y), + /* (-1,-1) */ ((this: A).x, (this: A).y) + ) + + // The 99s tell us we are reading the private[this] + // data of a different instance. + def g(b: B) = List( + /* (-1,99) */ (b.x, b.y), + /* (-1,99) */ ((b: B).x, (b: B).y), + /* (-1,-1) */ ((b: A).x, (b: A).y) + ) +} + +object Test { + def f(x: A) = /* -2 */ x.x + x.y + def g1(x: B) = /* -2 */ (x: A).x + (x: A).y + def g2(x: B) = (x: B).x + (x: B).y + // java.lang.IllegalAccessError: tried to access method B.y()I from class Test$ + + def main(args: Array[String]): Unit = { + val b = new B(99) + b.f foreach println + b.g(new B(99)) foreach println + + println(f(b)) + println(g1(b)) + println(g2(b)) + } +} + +class bug4762 { + class Base( var x : Int ) { def increment(): Unit = { x = x + 1 } } + class Derived( x : Int ) extends Base( x ) { override def toString = x.toString } + + val derived = new Derived( 1 ) +} diff --git a/tests/untried/neg/t4818.check b/tests/untried/neg/t4818.check new file mode 100644 index 000000000..a5e15e456 --- /dev/null +++ b/tests/untried/neg/t4818.check @@ -0,0 +1,6 @@ +t4818.scala:4: error: type mismatch; + found : Int(5) + required: Nothing + def f(x: Any) = x match { case Fn(f) => f(5) } + ^ +one error found diff --git a/tests/untried/neg/t4818.scala b/tests/untried/neg/t4818.scala new file mode 100644 index 000000000..faae22920 --- /dev/null +++ b/tests/untried/neg/t4818.scala @@ -0,0 +1,7 @@ +object Test { + case class Fn[A, B](f: A => B) + + def f(x: Any) = x match { case Fn(f) => f(5) } + + Fn((x: String) => x) +} diff --git a/tests/untried/neg/t4831.check b/tests/untried/neg/t4831.check new file mode 100644 index 000000000..3b8b836f0 --- /dev/null +++ b/tests/untried/neg/t4831.check @@ -0,0 +1,7 @@ +t4831.scala:10: error: reference to b is ambiguous; +it is imported twice in the same scope by +import O.b +and import O.{a=>b} + println(b) + ^ +one error found diff --git a/tests/untried/neg/t4831.scala b/tests/untried/neg/t4831.scala new file mode 100644 index 000000000..82346ec57 --- /dev/null +++ b/tests/untried/neg/t4831.scala @@ -0,0 +1,11 @@ +object O { + val a = 0 + val b = 1 +} + +import O.{a => b} +import O.b + +object test { + println(b) +} diff --git a/tests/untried/neg/t4842.check b/tests/untried/neg/t4842.check new file mode 100644 index 000000000..b53bbdbd1 --- /dev/null +++ b/tests/untried/neg/t4842.check @@ -0,0 +1,7 @@ +t4842.scala:2: error: self constructor arguments cannot reference unconstructed `this` + def this(x: Int) = this(new { println(Foo.this)}) // error + ^ +t4842.scala:6: error: self constructor arguments cannot reference unconstructed `this` + def this() = { this(???)(new { println(TypeArg.this.x) } ); println("next") } // error + ^ +two errors found diff --git a/tests/untried/neg/t4842.scala b/tests/untried/neg/t4842.scala new file mode 100644 index 000000000..c6244efda --- /dev/null +++ b/tests/untried/neg/t4842.scala @@ -0,0 +1,7 @@ +class Foo (x: AnyRef) { + def this(x: Int) = this(new { println(Foo.this)}) // error +} + +class TypeArg[X](val x: X)(a: AnyRef) { + def this() = { this(???)(new { println(TypeArg.this.x) } ); println("next") } // error +} diff --git a/tests/untried/neg/t4851.check b/tests/untried/neg/t4851.check new file mode 100644 index 000000000..132dd91b5 --- /dev/null +++ b/tests/untried/neg/t4851.check @@ -0,0 +1,51 @@ +S.scala:2: warning: Adaptation of argument list by inserting () has been deprecated: leaky (Object-receiving) target makes this especially dangerous. + signature: J(x: Any): J + given arguments: <none> + after adaptation: new J((): Unit) + val x1 = new J + ^ +S.scala:3: warning: Adaptation of argument list by inserting () has been deprecated: leaky (Object-receiving) target makes this especially dangerous. + signature: J(x: Any): J + given arguments: <none> + after adaptation: new J((): Unit) + val x2 = new J() + ^ +S.scala:4: warning: Adapting argument list by creating a 5-tuple: this may not be what you want. + signature: J(x: Any): J + given arguments: 1, 2, 3, 4, 5 + after adaptation: new J((1, 2, 3, 4, 5): (Int, Int, Int, Int, Int)) + val x3 = new J(1, 2, 3, 4, 5) + ^ +S.scala:6: warning: Adapting argument list by creating a 3-tuple: this may not be what you want. + signature: Some.apply[A](x: A): Some[A] + given arguments: 1, 2, 3 + after adaptation: Some((1, 2, 3): (Int, Int, Int)) + val y1 = Some(1, 2, 3) + ^ +S.scala:7: warning: Adapting argument list by creating a 3-tuple: this may not be what you want. + signature: Some(x: A): Some[A] + given arguments: 1, 2, 3 + after adaptation: new Some((1, 2, 3): (Int, Int, Int)) + val y2 = new Some(1, 2, 3) + ^ +S.scala:9: warning: Adaptation of argument list by inserting () has been deprecated: this is unlikely to be what you want. + signature: J2[T](x: T): J2[T] + given arguments: <none> + after adaptation: new J2((): Unit) + val z1 = new J2 + ^ +S.scala:10: warning: Adaptation of argument list by inserting () has been deprecated: this is unlikely to be what you want. + signature: J2[T](x: T): J2[T] + given arguments: <none> + after adaptation: new J2((): Unit) + val z2 = new J2() + ^ +S.scala:14: warning: Adapting argument list by creating a 3-tuple: this may not be what you want. + signature: Test.anyId(a: Any): Any + given arguments: 1, 2, 3 + after adaptation: Test.anyId((1, 2, 3): (Int, Int, Int)) + val w1 = anyId(1, 2 ,3) + ^ +error: No warnings can be incurred under -Xfatal-warnings. +8 warnings found +one error found diff --git a/tests/untried/neg/t4851.flags b/tests/untried/neg/t4851.flags new file mode 100644 index 000000000..ca0d0a0ba --- /dev/null +++ b/tests/untried/neg/t4851.flags @@ -0,0 +1 @@ +-Ywarn-adapted-args -Xfatal-warnings -deprecation diff --git a/tests/untried/neg/t4851/J.java b/tests/untried/neg/t4851/J.java new file mode 100644 index 000000000..9c35b8a16 --- /dev/null +++ b/tests/untried/neg/t4851/J.java @@ -0,0 +1,15 @@ +public class J { + Object x; + + public J(Object x) { + this.x = x; + } + + public J(int x1, int x2, int x3, int x4, int x5, int x6) { + this.x = null; + } + + public String toString() { + return "J:" + x.getClass(); + } +}
\ No newline at end of file diff --git a/tests/untried/neg/t4851/J2.java b/tests/untried/neg/t4851/J2.java new file mode 100644 index 000000000..82954d948 --- /dev/null +++ b/tests/untried/neg/t4851/J2.java @@ -0,0 +1,11 @@ +public class J2<T> { + T x; + + public <T> J(T x) { + this.x = x; + } + + public String toString() { + return "J2:" + x.getClass(); + } +}
\ No newline at end of file diff --git a/tests/untried/neg/t4851/S.scala b/tests/untried/neg/t4851/S.scala new file mode 100644 index 000000000..779ba376b --- /dev/null +++ b/tests/untried/neg/t4851/S.scala @@ -0,0 +1,28 @@ +object Test { + val x1 = new J + val x2 = new J() + val x3 = new J(1, 2, 3, 4, 5) + + val y1 = Some(1, 2, 3) + val y2 = new Some(1, 2, 3) + + val z1 = new J2 + val z2 = new J2() + val z3 = new J2(()) + + def anyId(a: Any) = a + val w1 = anyId(1, 2 ,3) + + def main(args: Array[String]): Unit = { + println(x1) + println(x2) + println(x3) + println(y1) + + println(z1) + println(z2) + println(z3) + + println(w1) + } +} diff --git a/tests/untried/neg/t4877.check b/tests/untried/neg/t4877.check new file mode 100644 index 000000000..5a2413ca8 --- /dev/null +++ b/tests/untried/neg/t4877.check @@ -0,0 +1,22 @@ +t4877.scala:4: error: type mismatch; + found : AnyRef{def bar: Int} + required: AnyRef{def bar: String} + def foo: AnyRef { def bar: String } = new AnyRef { def bar = 42 } + ^ +t4877.scala:6: error: type mismatch; + found : AnyRef{def bar(x: Int): String} + required: AnyRef{def bar(x: Int): Int} + def foo3: AnyRef { def bar(x: Int): Int } = new AnyRef { def bar(x: Int) = "abc" } + ^ +t4877.scala:7: error: type mismatch; + found : C{def bar(x: Int): Int} + required: C{def bar(x: Int): Int; def quux(x: Int): Int} + def foo4: C { def bar(x: Int): Int ; def quux(x: Int): Int } = new C { def bar(x: Int) = 5 } + ^ +t4877.scala:17: error: type mismatch; + found : AnyRef{type Mom = String; def bar(x: Int): Int; def bippy(): List[Int]} + required: B.this.Bippy + (which expands to) AnyRef{type Mom; def bar(x: Int): this.Mom; def bippy(): List[this.Mom]} + val x: Bippy = new AnyRef { + ^ +four errors found diff --git a/tests/untried/neg/t4877.flags b/tests/untried/neg/t4877.flags new file mode 100644 index 000000000..7ccd56103 --- /dev/null +++ b/tests/untried/neg/t4877.flags @@ -0,0 +1 @@ +-Xlint
\ No newline at end of file diff --git a/tests/untried/neg/t4877.scala b/tests/untried/neg/t4877.scala new file mode 100644 index 000000000..8968a8a8f --- /dev/null +++ b/tests/untried/neg/t4877.scala @@ -0,0 +1,22 @@ +trait C { } + +class A { + def foo: AnyRef { def bar: String } = new AnyRef { def bar = 42 } + def foo2: AnyRef { def bar: String } = new AnyRef { def bar = "abc" } + def foo3: AnyRef { def bar(x: Int): Int } = new AnyRef { def bar(x: Int) = "abc" } + def foo4: C { def bar(x: Int): Int ; def quux(x: Int): Int } = new C { def bar(x: Int) = 5 } +} + +class B { + type Bippy = { + type Mom + def bar(x: Int): Mom + def bippy(): List[Mom] + } + + val x: Bippy = new AnyRef { + type Mom = String + def bar(x: Int) = 55 + def bippy() = List(bar(55)) + } +} diff --git a/tests/untried/neg/t4879.check b/tests/untried/neg/t4879.check new file mode 100644 index 000000000..c7edd583c --- /dev/null +++ b/tests/untried/neg/t4879.check @@ -0,0 +1,13 @@ +t4879.scala:6: error: pattern type is incompatible with expected type; + found : C.type + required: C +Note: if you intended to match against the class, try `case C(_)` + case C => true + ^ +t4879.scala:10: error: pattern type is incompatible with expected type; + found : D.type + required: D[T,U,V] +Note: if you intended to match against the class, try `case D(_,_,_)` + case D => true + ^ +two errors found diff --git a/tests/untried/neg/t4879.scala b/tests/untried/neg/t4879.scala new file mode 100644 index 000000000..7d6561e9e --- /dev/null +++ b/tests/untried/neg/t4879.scala @@ -0,0 +1,15 @@ +case class C(d: Double) { } +case class D[T, U, V](bingo: Int, donkey: String, private val vegas: Set[A])(jehovah: Int) { } + +class A { + def f = (new C(5)) match { + case C => true + case _ => false + } + def g[T, U, V](x: D[T, U, V]) = x match { + case D => true + case _ => false + } +} + + diff --git a/tests/untried/neg/t4882.check b/tests/untried/neg/t4882.check new file mode 100644 index 000000000..0aafc8277 --- /dev/null +++ b/tests/untried/neg/t4882.check @@ -0,0 +1,4 @@ +t4882.scala:2: error: `implicit' modifier not allowed for constructors + implicit def this(a: String) = this(a.toInt) + ^ +one error found diff --git a/tests/untried/neg/t4882.scala b/tests/untried/neg/t4882.scala new file mode 100644 index 000000000..4e58ef787 --- /dev/null +++ b/tests/untried/neg/t4882.scala @@ -0,0 +1,3 @@ +class Foo(value: Int) { + implicit def this(a: String) = this(a.toInt) +} diff --git a/tests/untried/neg/t4928.check b/tests/untried/neg/t4928.check new file mode 100644 index 000000000..18a5d57a6 --- /dev/null +++ b/tests/untried/neg/t4928.check @@ -0,0 +1,5 @@ +t4928.scala:3: error: parameter 'a' is already specified at parameter position 1 +Note that 'z' is not a parameter name of the invoked method. + f(z = 0, a = 1) + ^ +one error found diff --git a/tests/untried/neg/t4928.scala b/tests/untried/neg/t4928.scala new file mode 100644 index 000000000..17a598031 --- /dev/null +++ b/tests/untried/neg/t4928.scala @@ -0,0 +1,4 @@ +class C { + def f(a: Int, b: Int = 0) = 0 + f(z = 0, a = 1) +} diff --git a/tests/untried/neg/t4987.check b/tests/untried/neg/t4987.check new file mode 100644 index 000000000..8d7344d27 --- /dev/null +++ b/tests/untried/neg/t4987.check @@ -0,0 +1,4 @@ +t4987.scala:2: error: constructor Foo2 in class Foo2 cannot be accessed in object Bar2 +object Bar2 { new Foo2(0, 0) } + ^ +one error found diff --git a/tests/untried/neg/t4987.scala b/tests/untried/neg/t4987.scala new file mode 100644 index 000000000..e55acd412 --- /dev/null +++ b/tests/untried/neg/t4987.scala @@ -0,0 +1,2 @@ +class Foo2 private (a: Int, b: Int) +object Bar2 { new Foo2(0, 0) } diff --git a/tests/untried/neg/t4989.check b/tests/untried/neg/t4989.check new file mode 100644 index 000000000..814507fc3 --- /dev/null +++ b/tests/untried/neg/t4989.check @@ -0,0 +1,7 @@ +t4989.scala:14: error: method print in class A cannot be directly accessed from class C because class B redeclares it as abstract + override def print(): String = super.print() // should be an error + ^ +t4989.scala:18: error: method print in class A cannot be directly accessed from trait T because class B redeclares it as abstract + override def print(): String = super.print() // should be an error + ^ +two errors found diff --git a/tests/untried/neg/t4989.scala b/tests/untried/neg/t4989.scala new file mode 100644 index 000000000..e7ff80ed7 --- /dev/null +++ b/tests/untried/neg/t4989.scala @@ -0,0 +1,68 @@ +abstract class A0 { + def print(): String +} + +class A extends A0 { + def print(): String = "A" +} + +abstract class B extends A { + def print() : String +} + +class C extends B { + override def print(): String = super.print() // should be an error +} + +trait T extends B { + override def print(): String = super.print() // should be an error +} + +class D extends A { + override def print(): String = super.print() // okay +} + + +// it's okay do this when trait are in the mix, as the +// suitable super accessor methods are used. +object ConcreteMethodAndIntermediaryAreTraits { + trait T1 { + def print(): String = "" + } + + trait T2 extends T1 { + def print(): String + } + + class C3 extends T2 { + def print(): String = super.print() // okay + } +} + +object IntermediaryIsTrait { + class T1 { + def print(): String = "" + } + + trait T2 extends T1 { + def print(): String + } + + class C3 extends T2 { + override def print(): String = super.print() // okay + } +} + +object ConcreteMethodIsTrait { + trait T1 { + def print(): String = "" + } + + abstract class T2 extends T1 { + def print(): String + } + + class C3 extends T2 { + override def print(): String = super.print() // okay + } +} diff --git a/tests/untried/neg/t500.check b/tests/untried/neg/t500.check new file mode 100644 index 000000000..b3f5c8597 --- /dev/null +++ b/tests/untried/neg/t500.check @@ -0,0 +1,4 @@ +t500.scala:3: error: lower bound X does not conform to upper bound Y + type T >: X <: Y; + ^ +one error found diff --git a/tests/untried/neg/t500.scala b/tests/untried/neg/t500.scala new file mode 100644 index 000000000..d843d71f0 --- /dev/null +++ b/tests/untried/neg/t500.scala @@ -0,0 +1,22 @@ +object Magic { + abstract class O[X,Y] { + type T >: X <: Y; + class I { def magic(v: T): T = v; } + } + def magic[X,Y](v: X): Y = { + val o: O[X,Y] = null; + val i: o.I = new o.I(); + i.magic(v); + } +} + +object Test { + def main(args: Array[String]): Unit = { + try { + val i: Int = Magic.magic("42"); + Console.println(i); + } catch { + case ex: Throwable => ex.printStackTrace() + } + } +} diff --git a/tests/untried/neg/t501.check b/tests/untried/neg/t501.check new file mode 100644 index 000000000..3e3bf3907 --- /dev/null +++ b/tests/untried/neg/t501.check @@ -0,0 +1,4 @@ +t501.scala:3: error: lower bound X does not conform to upper bound Y + abstract class I { type T >: X <: Y; } + ^ +one error found diff --git a/tests/untried/neg/t501.scala b/tests/untried/neg/t501.scala new file mode 100644 index 000000000..437ab8f21 --- /dev/null +++ b/tests/untried/neg/t501.scala @@ -0,0 +1,18 @@ +object Magic { + class O[X,Y] { + abstract class I { type T >: X <: Y; } + val i: I = null; + def magic(v: i.T): i.T = v; + } + def magic[X,Y](v: X): Y = { + val o: O[X,Y] = new O(); + o.magic(v); + } +} + +object Test { + def main(args: Array[String]): Unit = { + val i: Int = Magic.magic("42"); + Console.println(i); + } +} diff --git a/tests/untried/neg/t5031.check b/tests/untried/neg/t5031.check new file mode 100644 index 000000000..2f1090c32 --- /dev/null +++ b/tests/untried/neg/t5031.check @@ -0,0 +1,5 @@ +package.scala:2: error: Companions 'class Test' and 'object Test' must be defined in same file: + Found in t5031/package.scala and t5031/Id.scala + class Test + ^ +one error found diff --git a/tests/untried/neg/t5031/Id.scala b/tests/untried/neg/t5031/Id.scala new file mode 100644 index 000000000..2f0db002d --- /dev/null +++ b/tests/untried/neg/t5031/Id.scala @@ -0,0 +1,4 @@ +package t5031 + +object Test + diff --git a/tests/untried/neg/t5031/package.scala b/tests/untried/neg/t5031/package.scala new file mode 100644 index 000000000..17b63220b --- /dev/null +++ b/tests/untried/neg/t5031/package.scala @@ -0,0 +1,3 @@ +package object t5031 { + class Test +} diff --git a/tests/untried/neg/t5031b.check b/tests/untried/neg/t5031b.check new file mode 100644 index 000000000..3bc2284a4 --- /dev/null +++ b/tests/untried/neg/t5031b.check @@ -0,0 +1,5 @@ +b.scala:3: error: Companions 'class Bippy' and 'object Bippy' must be defined in same file: + Found in t5031b/a.scala and t5031b/b.scala +object Bippy + ^ +one error found diff --git a/tests/untried/neg/t5031b/a.scala b/tests/untried/neg/t5031b/a.scala new file mode 100644 index 000000000..0ab9aa976 --- /dev/null +++ b/tests/untried/neg/t5031b/a.scala @@ -0,0 +1,3 @@ +package foo + +class Bippy diff --git a/tests/untried/neg/t5031b/b.scala b/tests/untried/neg/t5031b/b.scala new file mode 100644 index 000000000..bdef237af --- /dev/null +++ b/tests/untried/neg/t5031b/b.scala @@ -0,0 +1,3 @@ +package foo + +object Bippy diff --git a/tests/untried/neg/t5044.check b/tests/untried/neg/t5044.check new file mode 100644 index 000000000..197da2a4e --- /dev/null +++ b/tests/untried/neg/t5044.check @@ -0,0 +1,9 @@ +t5044.scala:7: error: recursive value a needs type + val id = m(a) + ^ +t5044.scala:6: warning: type-checking the invocation of method foo checks if the named argument expression 'id = ...' is a valid assignment +in the current scope. The resulting type inference error (see above) can be fixed by providing an explicit type in the local definition for id. + val a = foo(id = 1) + ^ +one warning found +one error found diff --git a/tests/untried/neg/t5044.scala b/tests/untried/neg/t5044.scala new file mode 100644 index 000000000..8ea8ef67f --- /dev/null +++ b/tests/untried/neg/t5044.scala @@ -0,0 +1,9 @@ +class T { + def foo[T](id: T) = 0 + def m(a: Int) = 0 + + def f: Unit = { + val a = foo(id = 1) + val id = m(a) + } +} diff --git a/tests/untried/neg/t5060.check b/tests/untried/neg/t5060.check new file mode 100644 index 000000000..09b2d9a4b --- /dev/null +++ b/tests/untried/neg/t5060.check @@ -0,0 +1,7 @@ +t5060.scala:2: error: covariant type T occurs in contravariant position in type => AnyRef{def contains(x: T): Unit} of value foo0 + val foo0 = { + ^ +t5060.scala:6: error: covariant type T occurs in contravariant position in type => AnyRef{def contains(x: T): Unit} of method foo1 + def foo1 = { + ^ +two errors found diff --git a/tests/untried/neg/t5060.scala b/tests/untried/neg/t5060.scala new file mode 100644 index 000000000..4d934a9a1 --- /dev/null +++ b/tests/untried/neg/t5060.scala @@ -0,0 +1,19 @@ +class A[+T] { + val foo0 = { + class AsVariantAsIWantToBe { def contains(x: T) = () } + new AsVariantAsIWantToBe + } + def foo1 = { + class VarianceIsTheSpiceOfTypes { def contains(x: T) = () } + new VarianceIsTheSpiceOfTypes + } +} + +object Test { + def main(args: Array[String]): Unit = { + val xs: A[String] = new A[String] + println(xs.foo0 contains "abc") + println((xs: A[Any]).foo0 contains 5) + // java.lang.NoSuchMethodException: A$AsVariantAsIWantToBe$1.contains(java.lang.String) + } +} diff --git a/tests/untried/neg/t5063.check b/tests/untried/neg/t5063.check new file mode 100644 index 000000000..c6e553c1b --- /dev/null +++ b/tests/untried/neg/t5063.check @@ -0,0 +1,4 @@ +t5063.scala:2: error: value + is not a member of AnyRef + super.+("") + ^ +one error found diff --git a/tests/untried/neg/t5063.scala b/tests/untried/neg/t5063.scala new file mode 100644 index 000000000..5b34b53fb --- /dev/null +++ b/tests/untried/neg/t5063.scala @@ -0,0 +1,3 @@ +class A { + super.+("") +} diff --git a/tests/untried/neg/t5067.check b/tests/untried/neg/t5067.check new file mode 100644 index 000000000..32491766d --- /dev/null +++ b/tests/untried/neg/t5067.check @@ -0,0 +1,6 @@ +t5067.scala:3: error: type mismatch; + found : ((Int, Int)) => Int + required: (Int, Int) => Int + override def tupled: (Int, Int) => Int = super.tupled + ^ +one error found diff --git a/tests/untried/neg/t5067.scala b/tests/untried/neg/t5067.scala new file mode 100644 index 000000000..f8235c0e8 --- /dev/null +++ b/tests/untried/neg/t5067.scala @@ -0,0 +1,4 @@ +class Foo extends Function2[Int, Int, Int] { + def apply(x: Int, y: Int) = x + y + override def tupled: (Int, Int) => Int = super.tupled +} diff --git a/tests/untried/neg/t5078.check b/tests/untried/neg/t5078.check new file mode 100644 index 000000000..8f66445b0 --- /dev/null +++ b/tests/untried/neg/t5078.check @@ -0,0 +1,13 @@ +t5078.scala:7: error: an unapply method must accept a single argument. + val Foo(x1) = 1 + ^ +t5078.scala:7: error: recursive value x1 needs type + val Foo(x1) = 1 + ^ +t5078.scala:8: error: an unapply method must accept a single argument. + val Foo2(y2) = 2 + ^ +t5078.scala:8: error: recursive value y2 needs type + val Foo2(y2) = 2 + ^ +four errors found diff --git a/tests/untried/neg/t5078.scala b/tests/untried/neg/t5078.scala new file mode 100644 index 000000000..2e727e773 --- /dev/null +++ b/tests/untried/neg/t5078.scala @@ -0,0 +1,11 @@ +object Foo { def unapply: Option[Int] = Some(42) } +object Foo2 { def unapply(): Option[Int] = Some(42) } + + +object Test { + def main(args: Array[String]): Unit = { + val Foo(x1) = 1 + val Foo2(y2) = 2 + () + } +} diff --git a/tests/untried/neg/t5093.check b/tests/untried/neg/t5093.check new file mode 100644 index 000000000..daba46001 --- /dev/null +++ b/tests/untried/neg/t5093.check @@ -0,0 +1,10 @@ +t5093.scala:2: error: illegal cyclic reference involving type C + def f[C[X] <: C[X]](l: C[_]) = l.x + ^ +t5093.scala:2: error: cyclic aliasing or subtyping involving type C + def f[C[X] <: C[X]](l: C[_]) = l.x + ^ +t5093.scala:2: error: C does not take type parameters + def f[C[X] <: C[X]](l: C[_]) = l.x + ^ +three errors found diff --git a/tests/untried/neg/t5093.scala b/tests/untried/neg/t5093.scala new file mode 100644 index 000000000..9cde364de --- /dev/null +++ b/tests/untried/neg/t5093.scala @@ -0,0 +1,3 @@ +class T { + def f[C[X] <: C[X]](l: C[_]) = l.x +} diff --git a/tests/untried/neg/t510.check b/tests/untried/neg/t510.check new file mode 100644 index 000000000..355a6cdf0 --- /dev/null +++ b/tests/untried/neg/t510.check @@ -0,0 +1,4 @@ +t510.scala:19: error: cyclic aliasing or subtyping involving type T + def g(t: e.T): Unit = { + ^ +one error found diff --git a/tests/untried/neg/t510.scala b/tests/untried/neg/t510.scala new file mode 100644 index 000000000..a1cd2df00 --- /dev/null +++ b/tests/untried/neg/t510.scala @@ -0,0 +1,26 @@ +abstract class C { + + type T <: Any; + +} + +abstract class D[S <: C](_c: S) extends C { + + val c: S = _c; + type T <: c.T; + +} + +abstract class E(e: E) extends D[E](e); + +object Test { + + def f(e: E): Unit = { + def g(t: e.T): Unit = { + val i: Int = t; + () + } + () + } + +} diff --git a/tests/untried/neg/t5106.check b/tests/untried/neg/t5106.check new file mode 100644 index 000000000..ac16041cf --- /dev/null +++ b/tests/untried/neg/t5106.check @@ -0,0 +1,11 @@ +t5106.scala:3: error: type mismatch; + found : Int(4) + required: String + val (n, l): (String, Int) = (4, "") + ^ +t5106.scala:3: error: type mismatch; + found : String("") + required: Int + val (n, l): (String, Int) = (4, "") + ^ +two errors found diff --git a/tests/untried/neg/t5106.scala b/tests/untried/neg/t5106.scala new file mode 100644 index 000000000..6508662fd --- /dev/null +++ b/tests/untried/neg/t5106.scala @@ -0,0 +1,5 @@ +class A { + def f: Unit = { + val (n, l): (String, Int) = (4, "") + } +} diff --git a/tests/untried/neg/t512.check b/tests/untried/neg/t512.check new file mode 100644 index 000000000..051e5ee19 --- /dev/null +++ b/tests/untried/neg/t512.check @@ -0,0 +1,7 @@ +t512.scala:3: error: not found: value something + val xxx = something || + ^ +t512.scala:4: error: not found: value something_else + something_else; + ^ +two errors found diff --git a/tests/untried/neg/t512.scala b/tests/untried/neg/t512.scala new file mode 100644 index 000000000..0a0ccde75 --- /dev/null +++ b/tests/untried/neg/t512.scala @@ -0,0 +1,5 @@ +package test; +class Foo { + val xxx = something || + something_else; +} diff --git a/tests/untried/neg/t5120.check b/tests/untried/neg/t5120.check new file mode 100644 index 000000000..34d4ebde3 --- /dev/null +++ b/tests/untried/neg/t5120.check @@ -0,0 +1,12 @@ +t5120.scala:11: error: type mismatch; + found : Object + required: _1 + List(str, other) foreach (_.x1 = new AnyRef) + ^ +t5120.scala:25: error: type mismatch; + found : Thread + required: h.T + (which expands to) _2 + List(str, num).foreach(h => h.f1 = new Thread()) + ^ +two errors found diff --git a/tests/untried/neg/t5120.scala b/tests/untried/neg/t5120.scala new file mode 100644 index 000000000..478436d85 --- /dev/null +++ b/tests/untried/neg/t5120.scala @@ -0,0 +1,29 @@ +class Cell[T](x0: T) { + type U = T + var x1: U = x0 +} + +object Test { + val str: Cell[String] = new Cell("a") + val other: Cell[Int] = new Cell(0) + + def main(args: Array[String]): Unit = { + List(str, other) foreach (_.x1 = new AnyRef) + str.x1.length + } +} +// another way demonstrating the same underlying problem, as reported by roman kalukiewicz + +class Holder[_T](_f1 : _T, _f2 : _T) { + type T = _T + var f1 : T = _f1 + var f2 : T = _f2 +} +object Test2 { + val str = new Holder("t1", "t2") + val num = new Holder(1, 2) + List(str, num).foreach(h => h.f1 = new Thread()) + def main(args: Array[String]): Unit = { + println(str.f1) + } +} diff --git a/tests/untried/neg/t5148.check b/tests/untried/neg/t5148.check new file mode 100644 index 000000000..f426bd201 --- /dev/null +++ b/tests/untried/neg/t5148.check @@ -0,0 +1,5 @@ +error: bad symbolic reference. A signature in Imports.class refers to type Request +in class scala.tools.nsc.interpreter.IMain which is not available. +It may be completely missing from the current classpath, or the version on +the classpath might be incompatible with the version used when compiling Imports.class. +one error found diff --git a/tests/untried/neg/t5148.scala b/tests/untried/neg/t5148.scala new file mode 100644 index 000000000..fca64e57d --- /dev/null +++ b/tests/untried/neg/t5148.scala @@ -0,0 +1,4 @@ +package scala.tools.nsc +package interpreter + +class IMain extends Imports diff --git a/tests/untried/neg/t515.check b/tests/untried/neg/t515.check new file mode 100644 index 000000000..47d2d30d0 --- /dev/null +++ b/tests/untried/neg/t515.check @@ -0,0 +1,6 @@ +t515.scala:7: error: type mismatch; + found : String + required: Test.Truc + val parent: Truc = file.getMachin + ^ +one error found diff --git a/tests/untried/neg/t515.scala b/tests/untried/neg/t515.scala new file mode 100644 index 000000000..bb2376dca --- /dev/null +++ b/tests/untried/neg/t515.scala @@ -0,0 +1,8 @@ +object Test extends App { + class Truc { + def getMachin() = "machin" + def getMachinAsTruc() = this + } + val file = new Truc + val parent: Truc = file.getMachin +} diff --git a/tests/untried/neg/t5152.check b/tests/untried/neg/t5152.check new file mode 100644 index 000000000..fd510dbae --- /dev/null +++ b/tests/untried/neg/t5152.check @@ -0,0 +1,11 @@ +t5152.scala:7: error: kinds of the type arguments (Test.B) do not conform to the expected kinds of the type parameters (type E) in class A. +Test.B's type parameters do not match type E's expected parameters: +type E has one type parameter, but type _ has none + class B[E[_]] extends A[B] { } // B is depth 2 but A requires 1 + ^ +t5152.scala:11: error: kinds of the type arguments (Test.B1) do not conform to the expected kinds of the type parameters (type E) in class A1. +Test.B1's type parameters do not match type E's expected parameters: +type _ has no type parameters, but type G has one + class B1[E[_]] extends A1[B1] // B1 is depth 2 but A1 requires 3 + ^ +two errors found diff --git a/tests/untried/neg/t5152.scala b/tests/untried/neg/t5152.scala new file mode 100644 index 000000000..56df31ed4 --- /dev/null +++ b/tests/untried/neg/t5152.scala @@ -0,0 +1,17 @@ +object Test { + new C + new C1 + new C2 + + class A[E[_]] { } + class B[E[_]] extends A[B] { } // B is depth 2 but A requires 1 + class C extends B { } + + class A1[E[F[G[_]]]] { } + class B1[E[_]] extends A1[B1] // B1 is depth 2 but A1 requires 3 + class C1 extends B1 { } + + class A2[E[_]] { } + class B2[E] extends A2[B2] { } // this one is correct + class C2 extends B2 { } +} diff --git a/tests/untried/neg/t5182.check b/tests/untried/neg/t5182.check new file mode 100644 index 000000000..3161f9268 --- /dev/null +++ b/tests/untried/neg/t5182.check @@ -0,0 +1,7 @@ +t5182.scala:2: error: unknown annotation argument name: qwe + @java.lang.Deprecated(qwe = "wer") def ok(q:Int) = 1 + ^ +t5182.scala:3: error: classfile annotation arguments have to be supplied as named arguments + @java.lang.Deprecated("wer") def whereAmI(q:Int) = 1 + ^ +two errors found diff --git a/tests/untried/neg/t5182.flags b/tests/untried/neg/t5182.flags new file mode 100644 index 000000000..85d8eb2ba --- /dev/null +++ b/tests/untried/neg/t5182.flags @@ -0,0 +1 @@ +-Xfatal-warnings diff --git a/tests/untried/neg/t5182.scala b/tests/untried/neg/t5182.scala new file mode 100644 index 000000000..0687e99ef --- /dev/null +++ b/tests/untried/neg/t5182.scala @@ -0,0 +1,5 @@ +class test { + @java.lang.Deprecated(qwe = "wer") def ok(q:Int) = 1 + @java.lang.Deprecated("wer") def whereAmI(q:Int) = 1 + @java.lang.Deprecated() def bippy(q:Int) = 1 +} diff --git a/tests/untried/neg/t5189.check b/tests/untried/neg/t5189.check new file mode 100644 index 000000000..4885de99c --- /dev/null +++ b/tests/untried/neg/t5189.check @@ -0,0 +1,6 @@ +t5189.scala:3: error: type mismatch; + found : Nothing => Any + required: Any => Any + def f(x: Any): Any => Any = x match { case Foo(bar) => bar } + ^ +one error found diff --git a/tests/untried/neg/t5189.scala b/tests/untried/neg/t5189.scala new file mode 100644 index 000000000..19e8e7466 --- /dev/null +++ b/tests/untried/neg/t5189.scala @@ -0,0 +1,5 @@ +class TestNeg1 { + case class Foo[T, U](f: T => U) + def f(x: Any): Any => Any = x match { case Foo(bar) => bar } + // uh-oh, Any => Any should be Nothing => Any. +} diff --git a/tests/untried/neg/t5189_inferred.check b/tests/untried/neg/t5189_inferred.check new file mode 100644 index 000000000..9cc5dcc24 --- /dev/null +++ b/tests/untried/neg/t5189_inferred.check @@ -0,0 +1,6 @@ +t5189_inferred.scala:7: error: type mismatch; + found : scala.collection.immutable.Nil.type + required: ?A1 where type ?A1 + f(Invariant(arr): Covariant[Any])(0) = Nil + ^ +one error found diff --git a/tests/untried/neg/t5189_inferred.scala b/tests/untried/neg/t5189_inferred.scala new file mode 100644 index 000000000..c97b4117c --- /dev/null +++ b/tests/untried/neg/t5189_inferred.scala @@ -0,0 +1,8 @@ +trait Covariant[+A] +case class Invariant[A](xs: Array[A]) extends Covariant[A] + +class Test { + val arr = Array("abc") + def f[A](v: Covariant[A]) /*inferred!*/ = v match { case Invariant(xs) => xs } + f(Invariant(arr): Covariant[Any])(0) = Nil +} diff --git a/tests/untried/neg/t5189b.check b/tests/untried/neg/t5189b.check new file mode 100644 index 000000000..46996e96d --- /dev/null +++ b/tests/untried/neg/t5189b.check @@ -0,0 +1,11 @@ +t5189b.scala:38: error: type mismatch; + found : TestNeg.Wrapped[?T7] where type ?T7 <: T (this is a GADT skolem) + required: TestNeg.Wrapped[T] +Note: ?T7 <: T, but class Wrapped is invariant in type W. +You may wish to define W as +W instead. (SLS 4.5) + case Wrapper/*[_ <: T ]*/(wrapped) => wrapped // : Wrapped[_ <: T], which is a subtype of Wrapped[T] if and only if Wrapped is covariant in its type parameter + ^ +t5189b.scala:51: error: value foo is not a member of type parameter T + case Some(xs) => xs.foo // the error message should not refer to a skolem (testing extrapolation) + ^ +two errors found diff --git a/tests/untried/neg/t5189b.scala b/tests/untried/neg/t5189b.scala new file mode 100644 index 000000000..7c1871dc9 --- /dev/null +++ b/tests/untried/neg/t5189b.scala @@ -0,0 +1,80 @@ +class TestPos { + class AbsWrapperCov[+A] + case class Wrapper[B](x: B) extends AbsWrapperCov[B] + + def unwrap[T](x: AbsWrapperCov[T]): T = x match { + case Wrapper/*[_ <: T ]*/(x) => x // _ <: T, which is a subtype of T + } + + def unwrapOption[T](x: Option[T]): T = x match { + case Some(xs) => xs + } + + + case class Down[+T](x: T) + case class Up[-T](f: T => Unit) + + def f1[T](x1: Down[T])(x2: Up[T]) = ((x1, x2)) match { + case (Down(x), Up(f)) => f(x) + } +} + + +object TestNeg extends App { + class AbsWrapperCov[+A] + case class Wrapper[B](x: Wrapped[B]) extends AbsWrapperCov[B] + + /* + when inferring Wrapper's type parameter B from x's type AbsWrapperCov[T], + we must take into account that x's actual type is AbsWrapperCov[Tactual] forSome {type Tactual <: T} + as AbsWrapperCov is covariant in A -- in other words, we must not assume we know T exactly, all we know is its upper bound + + since method application is the only way to generate this slack between run-time and compile-time types, + we'll simply replace the skolems that represent method type parameters as seen from the method's body by + other skolems that are (upper/lower)-bounded by the type-parameter skolems + (depending on whether the skolem appears in a covariant/contravariant position) + */ + def unwrap[T](x: AbsWrapperCov[T]): Wrapped[T] = x match { + case Wrapper/*[_ <: T ]*/(wrapped) => wrapped // : Wrapped[_ <: T], which is a subtype of Wrapped[T] if and only if Wrapped is covariant in its type parameter + } + + class Wrapped[W](var cell: W) // must be invariant (to trigger the bug) + + // class A { def imNotAB = println("notB")} + // class B + // + // val w = new Wrapped(new A) + // unwrap[Any](Wrapper(w)).cell = new B + // w.cell.imNotAB + + def unwrapOption[T](x: Option[T]): T = x match { + case Some(xs) => xs.foo // the error message should not refer to a skolem (testing extrapolation) + } + +} + +// class TestPos1 { +// class Base[T] +// case class C[T](x: T) extends Base[T] +// def foo[T](b: Base[T]): T = b match { case C(x) => x } +// +// case class Span[K <: Ordered[K]](low: Option[K], high: Option[K]) extends Function1[K, Boolean] { +// override def equals(x$1: Any): Boolean = x$1 match { +// case Span((low$0 @ _), (high$0 @ _)) if low$0.equals(low).$amp$amp(high$0.equals(high)) => true +// case _ => false +// } +// def apply(k: K): Boolean = this match { +// case Span(Some(low), Some(high)) => (k >= low && k <= high) +// case Span(Some(low), None) => (k >= low) +// case Span(None, Some(high)) => (k <= high) +// case _ => false +// } +// } +// } +// +// class TestNeg1 { +// case class Foo[T, U](f: T => U) +// def f(x: Any): Any => Any = x match { case Foo(bar) => bar } +// // uh-oh, Any => Any should be Nothing => Any. +// } + diff --git a/tests/untried/neg/t520.check b/tests/untried/neg/t520.check new file mode 100644 index 000000000..0035f89a7 --- /dev/null +++ b/tests/untried/neg/t520.check @@ -0,0 +1,4 @@ +t520.scala:8: error: overloaded method verifyKeyword needs result type + verifyKeyword("", source, pos); + ^ +one error found diff --git a/tests/untried/neg/t520.scala b/tests/untried/neg/t520.scala new file mode 100644 index 000000000..076aca312 --- /dev/null +++ b/tests/untried/neg/t520.scala @@ -0,0 +1,9 @@ +object test { + + def verifyKeyword(keyword : String, source : java.io.File, pos : Int) = { + assert(keyword != null); + } + + def verifyKeyword(source : java.io.File, pos : Int) = + verifyKeyword("", source, pos); +} diff --git a/tests/untried/neg/t521.check b/tests/untried/neg/t521.check new file mode 100644 index 000000000..a10019565 --- /dev/null +++ b/tests/untried/neg/t521.check @@ -0,0 +1,15 @@ +t521.scala:10: error: class PlainFile needs to be abstract, since method path in class AbstractFile of type => String is not defined +class PlainFile(val file : File) extends AbstractFile {} + ^ +t521.scala:13: error: overriding value file in class PlainFile of type java.io.File; + value file needs `override' modifier +final class ZipArchive(val file : File, archive : ZipFile) extends PlainFile(file) { + ^ +t521.scala:13: error: class ZipArchive needs to be abstract, since method path in class AbstractFile of type => String is not defined +final class ZipArchive(val file : File, archive : ZipFile) extends PlainFile(file) { + ^ +t521.scala:15: error: overriding value path in class VirtualFile of type String; + method path needs to be a stable, immutable value + override def path = ""; + ^ +four errors found diff --git a/tests/untried/neg/t521.scala b/tests/untried/neg/t521.scala new file mode 100644 index 000000000..c6afebc0b --- /dev/null +++ b/tests/untried/neg/t521.scala @@ -0,0 +1,17 @@ +package test + +import java.io.File +import java.util.zip.ZipFile + +abstract class AbstractFile { + def path : String; +} + +class PlainFile(val file : File) extends AbstractFile {} +class VirtualFile(val name : String, val path : String) extends AbstractFile {} + +final class ZipArchive(val file : File, archive : ZipFile) extends PlainFile(file) { + class Entry(name : String, path : String) extends VirtualFile(name, path) { + override def path = ""; + } +} diff --git a/tests/untried/neg/t5318.check b/tests/untried/neg/t5318.check new file mode 100644 index 000000000..d6a3a5793 --- /dev/null +++ b/tests/untried/neg/t5318.check @@ -0,0 +1,5 @@ +t5318.scala:7: error: diverging implicit expansion for type CompilerHang.this.TC[F] +starting with method tc in class CompilerHang + breakage // type checker doesn't terminate, should report inference failure + ^ +one error found diff --git a/tests/untried/neg/t5318.scala b/tests/untried/neg/t5318.scala new file mode 100644 index 000000000..5be82a02a --- /dev/null +++ b/tests/untried/neg/t5318.scala @@ -0,0 +1,8 @@ +class CompilerHang { + trait TC[M[_]] + trait S[A] + + implicit def tc[M[_]](implicit M0: TC[M]): TC[S] = null + def breakage[F[_] : TC] = 0 + breakage // type checker doesn't terminate, should report inference failure +} diff --git a/tests/untried/neg/t5318b.check b/tests/untried/neg/t5318b.check new file mode 100644 index 000000000..47a10d673 --- /dev/null +++ b/tests/untried/neg/t5318b.check @@ -0,0 +1,5 @@ +t5318b.scala:7: error: diverging implicit expansion for type DivergingImplicitReported.this.TC[F] +starting with method tc in class DivergingImplicitReported + breakage // correct: diverging implicit expansion + ^ +one error found
\ No newline at end of file diff --git a/tests/untried/neg/t5318b.scala b/tests/untried/neg/t5318b.scala new file mode 100644 index 000000000..a2d55b1e4 --- /dev/null +++ b/tests/untried/neg/t5318b.scala @@ -0,0 +1,8 @@ +class DivergingImplicitReported { + trait TC[M] + trait S + + implicit def tc[M](implicit M0: TC[M]): TC[S] = null + def breakage[F: TC] = 0 + breakage // correct: diverging implicit expansion +} diff --git a/tests/untried/neg/t5318c.check b/tests/untried/neg/t5318c.check new file mode 100644 index 000000000..594539be6 --- /dev/null +++ b/tests/untried/neg/t5318c.check @@ -0,0 +1,5 @@ +t5318c.scala:13: error: diverging implicit expansion for type CompilerHang.this.TC[F] +starting with method tc in class CompilerHang + breakage // type checker doesn't terminate, should report inference failure + ^ +one error found diff --git a/tests/untried/neg/t5318c.scala b/tests/untried/neg/t5318c.scala new file mode 100644 index 000000000..477a9874a --- /dev/null +++ b/tests/untried/neg/t5318c.scala @@ -0,0 +1,14 @@ +class CompilerHang { + trait TC[M[_]] + trait S[A] + + class C[M[_]] { + type TCM = TC[M] + } + + // A nefarious implicit, to motivate the removal of `&& sym.owner.isTerm` from + // `isFreeTypeParamNoSkolem`. + implicit def tc[x[_], CC[x[_]] <: C[x]](implicit M0: CC[x]#TCM): CC[x]#TCM = null + def breakage[F[_] : TC] = 0 + breakage // type checker doesn't terminate, should report inference failure +} diff --git a/tests/untried/neg/t5340.check b/tests/untried/neg/t5340.check new file mode 100644 index 000000000..2de19293c --- /dev/null +++ b/tests/untried/neg/t5340.check @@ -0,0 +1,6 @@ +t5340.scala:17: error: type mismatch; + found : MyApp.r.E + required: MyApp.s.E + println(b: s.E) + ^ +one error found diff --git a/tests/untried/neg/t5340.scala b/tests/untried/neg/t5340.scala new file mode 100644 index 000000000..b283f1333 --- /dev/null +++ b/tests/untried/neg/t5340.scala @@ -0,0 +1,29 @@ +class Poly { + class E + object E { + implicit def conv(value: Any): E = sys.error("") + } +} + +object MyApp { + val r: Poly = sys.error("") + val s: Poly = sys.error("") + val b: r.E = sys.error("") + + // okay + s.E.conv(b): s.E + + // compilation fails with error below + println(b: s.E) + + // amb prefix: MyApp.s.type#class E MyApp.r.type#class E + // amb prefix: MyApp.s.type#class E MyApp.r.type#class E + // ../test/pending/run/t5310.scala:17: error: type mismatch; + // found : MyApp.r.E + // required: MyApp.s.E + // println(b: s.E) + // ^ + + // The type error is as expected, but the `amb prefix` should be logged, + // rather than printed to standard out. +} diff --git a/tests/untried/neg/t5352.check b/tests/untried/neg/t5352.check new file mode 100644 index 000000000..1675da9e9 --- /dev/null +++ b/tests/untried/neg/t5352.check @@ -0,0 +1,13 @@ +t5352.scala:11: error: type mismatch; + found : boop.Bar + required: boop.BarF + (which expands to) AnyRef{def f(): Int} + x = xs.head + ^ +t5352.scala:14: error: method f in class Bar1 cannot be accessed in boop.Bar1 + Access to protected method f not permitted because + enclosing object boop is not a subclass of + class Bar1 in object boop where target is defined + (new Bar1).f + ^ +two errors found diff --git a/tests/untried/neg/t5352.flags b/tests/untried/neg/t5352.flags new file mode 100644 index 000000000..e8fb65d50 --- /dev/null +++ b/tests/untried/neg/t5352.flags @@ -0,0 +1 @@ +-Xfatal-warnings
\ No newline at end of file diff --git a/tests/untried/neg/t5352.scala b/tests/untried/neg/t5352.scala new file mode 100644 index 000000000..ed74a840f --- /dev/null +++ b/tests/untried/neg/t5352.scala @@ -0,0 +1,15 @@ +object boop { + abstract class Bar { protected def f(): Any } + class Bar1 extends Bar { protected def f(): Int = 5 } + class Bar2 extends Bar { protected def f(): Int = 5 } + + val xs = List(new Bar1, new Bar2) + + type BarF = { def f(): Int } + + var x: BarF = _ + x = xs.head + x.f + + (new Bar1).f +} diff --git a/tests/untried/neg/t5354.check b/tests/untried/neg/t5354.check new file mode 100644 index 000000000..e47cecb5f --- /dev/null +++ b/tests/untried/neg/t5354.check @@ -0,0 +1,7 @@ +t5354.scala:9: error: ambiguous implicit values: + both method x123 in package foo of type => foo.Bippy + and method z of type => foo.Bippy + match expected type foo.Bippy + implicitly[Bippy] + ^ +one error found diff --git a/tests/untried/neg/t5354.scala b/tests/untried/neg/t5354.scala new file mode 100644 index 000000000..99b565015 --- /dev/null +++ b/tests/untried/neg/t5354.scala @@ -0,0 +1,15 @@ +package object foo { + implicit def x123: Bippy = new Bippy("x") +} +package foo { + class Bippy(override val toString: String){ } + class Dingus { + def f1 = { + implicit def z: Bippy = new Bippy("z") + implicitly[Bippy] + } + } + object Test extends App { + println(new Dingus().f1) + } +} diff --git a/tests/untried/neg/t5357.check b/tests/untried/neg/t5357.check new file mode 100644 index 000000000..338555907 --- /dev/null +++ b/tests/untried/neg/t5357.check @@ -0,0 +1,4 @@ +t5357.scala:5: error: Pattern variables must start with a lower-case letter. (SLS 8.1.1.) + case A: N => 1 + ^ +one error found diff --git a/tests/untried/neg/t5357.scala b/tests/untried/neg/t5357.scala new file mode 100644 index 000000000..6a52283dd --- /dev/null +++ b/tests/untried/neg/t5357.scala @@ -0,0 +1,9 @@ +trait M + +case class N() extends M { + def mytest(x: M) = x match { + case A: N => 1 + case _ => 0 + } +} + diff --git a/tests/untried/neg/t5358.check b/tests/untried/neg/t5358.check new file mode 100644 index 000000000..59e83bba2 --- /dev/null +++ b/tests/untried/neg/t5358.check @@ -0,0 +1,7 @@ +t5358.scala:3: error: class C inherits conflicting members: + method hi in trait A of type => String and + method hi in trait B of type => String +(Note: this can be resolved by declaring an override in class C.) +class C extends A with B + ^ +one error found diff --git a/tests/untried/neg/t5358.scala b/tests/untried/neg/t5358.scala new file mode 100644 index 000000000..13d827ed8 --- /dev/null +++ b/tests/untried/neg/t5358.scala @@ -0,0 +1,4 @@ +trait A { def hi = "A" } +trait B { def hi = "B" } +class C extends A with B + diff --git a/tests/untried/neg/t5361.check b/tests/untried/neg/t5361.check new file mode 100644 index 000000000..d7fee87cc --- /dev/null +++ b/tests/untried/neg/t5361.check @@ -0,0 +1,4 @@ +t5361.scala:2: error: only declarations allowed here + val x : { val self = this } = new { self => } + ^ +one error found diff --git a/tests/untried/neg/t5361.scala b/tests/untried/neg/t5361.scala new file mode 100644 index 000000000..1705c09df --- /dev/null +++ b/tests/untried/neg/t5361.scala @@ -0,0 +1,3 @@ +class A { + val x : { val self = this } = new { self => } +} diff --git a/tests/untried/neg/t5376.check b/tests/untried/neg/t5376.check new file mode 100644 index 000000000..0376163c3 --- /dev/null +++ b/tests/untried/neg/t5376.check @@ -0,0 +1,11 @@ +t5376.scala:12: error: type mismatch; + found : String("a") + required: Int + "a": Int + ^ +t5376.scala:22: error: type mismatch; + found : String("a") + required: Int + "a": Int + ^ +two errors found diff --git a/tests/untried/neg/t5376.scala b/tests/untried/neg/t5376.scala new file mode 100644 index 000000000..9dcaccbf1 --- /dev/null +++ b/tests/untried/neg/t5376.scala @@ -0,0 +1,24 @@ +object Test { + object O1 { implicit def f(s: String): Int = 1 } + object O2 { implicit def f(s: String): Int = 2 } + object O3 { def f(s: String): Int = 3 } + + // Import two implicits with the same name in the same scope. + def m1 = { + import O1._ + import O2._ + + // Implicit usage compiles. + "a": Int + } + + // Import one implict and one non-implicit method with the + // same name in the same scope. + def m2 = { + import O1._ + import O3._ + + // Implicit usage compiles. + "a": Int + } +} diff --git a/tests/untried/neg/t5378.check b/tests/untried/neg/t5378.check new file mode 100644 index 000000000..c1460083f --- /dev/null +++ b/tests/untried/neg/t5378.check @@ -0,0 +1,31 @@ +t5378.scala:7: error: Type bound in structural refinement may not refer to an abstract type defined outside that refinement + def contains = new { def apply[T1 <: T](value: T1) = ??? } + ^ +t5378.scala:8: error: Type bound in structural refinement may not refer to an abstract type defined outside that refinement + def contains1 = new { def apply[T1 <: A1](value: T1) = ??? } + ^ +t5378.scala:9: error: Type bound in structural refinement may not refer to an abstract type defined outside that refinement + def contains2 = new { def apply[T1 <: A2](value: T1) = ??? } + ^ +t5378.scala:15: error: Type bound in structural refinement may not refer to an abstract type defined outside that refinement + new Bippy { def apply[T1 <: T](value: T1) = ??? } + ^ +t5378.scala:16: error: Type bound in structural refinement may not refer to an abstract type defined outside that refinement + new Bippy { def apply[T1 <: B1](value: T1) = ??? } + ^ +t5378.scala:17: error: Type bound in structural refinement may not refer to an abstract type defined outside that refinement + new Bippy { def apply[T1 <: B2](value: T1) = ??? } + ^ +t5378.scala:21: error: Type bound in structural refinement may not refer to an abstract type defined outside that refinement + def apply1[T1 <: B3](value: T1) = ??? + ^ +t5378.scala:23: error: Parameter type in structural refinement may not refer to an abstract type defined outside that refinement + def apply3(value: B3) = ??? + ^ +t5378.scala:28: error: Parameter type in structural refinement may not refer to an abstract type defined outside that refinement + def apply1(s: String)(x: Int)(value: T) = ??? + ^ +t5378.scala:29: error: Type bound in structural refinement may not refer to an abstract type defined outside that refinement + def apply2[T1 <: T](s: String)(x: Int)(value: T1) = ??? + ^ +10 errors found diff --git a/tests/untried/neg/t5378.scala b/tests/untried/neg/t5378.scala new file mode 100644 index 000000000..fa6afa02b --- /dev/null +++ b/tests/untried/neg/t5378.scala @@ -0,0 +1,54 @@ +import scala.language.reflectiveCalls + +class Coll[+T] { + type A1 <: T + type A2 <: A1 + + def contains = new { def apply[T1 <: T](value: T1) = ??? } + def contains1 = new { def apply[T1 <: A1](value: T1) = ??? } + def contains2 = new { def apply[T1 <: A2](value: T1) = ??? } + def contains3 = { + trait Bippy { + type B1 <: T + type B2 <: B1 + } + new Bippy { def apply[T1 <: T](value: T1) = ??? } + new Bippy { def apply[T1 <: B1](value: T1) = ??? } + new Bippy { def apply[T1 <: B2](value: T1) = ??? } + new Bippy { + type B3 = B2 + type B4 = List[B2] + def apply1[T1 <: B3](value: T1) = ??? + def apply2[T1 <: B4](value: T1) = ??? + def apply3(value: B3) = ??? + def apply4(value: B4) = value.head + } + } + def contains4 = new { + def apply1(s: String)(x: Int)(value: T) = ??? + def apply2[T1 <: T](s: String)(x: Int)(value: T1) = ??? + } + def containsOk = { + trait Bippy { + type B1 <: AnyRef + type B2 <: B1 + } + new Bippy { def apply[T1 <: AnyRef](value: T1) = ??? } + new Bippy { type B1 = String ; def apply[T1 <: B1](value: T1) = ??? } + new Bippy { type B2 = String ; def apply[T1 <: B2](value: T1) = ??? } + } +} + +object Test { + def main(args: Array[String]): Unit = { + val xs = new Coll[List[String]] + val ys: Coll[Traversable[String]] = xs + + println(ys contains Nil) + // java.lang.NoSuchMethodException: Coll$$anon$1.apply(scala.collection.Traversable) + // at java.lang.Class.getMethod(Class.java:1605) + // at Test$.reflMethod$Method1(a.scala:14) + // at Test$.main(a.scala:14) + // at Test.main(a.scala) + } +} diff --git a/tests/untried/neg/t5390.check b/tests/untried/neg/t5390.check new file mode 100644 index 000000000..6a0129b89 --- /dev/null +++ b/tests/untried/neg/t5390.check @@ -0,0 +1,4 @@ +t5390.scala:7: error: forward reference extends over definition of value b + val b = a.B("") + ^ +one error found diff --git a/tests/untried/neg/t5390.scala b/tests/untried/neg/t5390.scala new file mode 100644 index 000000000..de596a478 --- /dev/null +++ b/tests/untried/neg/t5390.scala @@ -0,0 +1,10 @@ +class A { + object B { def apply(s: String) = 0} +} + +object X { + def foo: Unit = { + val b = a.B("") + val a = new A + } +} diff --git a/tests/untried/neg/t5390b.check b/tests/untried/neg/t5390b.check new file mode 100644 index 000000000..cbf8fafa6 --- /dev/null +++ b/tests/untried/neg/t5390b.check @@ -0,0 +1,4 @@ +t5390b.scala:7: error: forward reference extends over definition of value b + val b = a.B("") + ^ +one error found diff --git a/tests/untried/neg/t5390b.scala b/tests/untried/neg/t5390b.scala new file mode 100644 index 000000000..94032c907 --- /dev/null +++ b/tests/untried/neg/t5390b.scala @@ -0,0 +1,10 @@ +class A { + case class B(s: String) +} + +object X { + def foo: Unit = { + val b = a.B("") + val a = new A + } +} diff --git a/tests/untried/neg/t5390c.check b/tests/untried/neg/t5390c.check new file mode 100644 index 000000000..f8a794d69 --- /dev/null +++ b/tests/untried/neg/t5390c.check @@ -0,0 +1,4 @@ +t5390c.scala:7: error: forward reference extends over definition of value b + val b = new a.B("") + ^ +one error found diff --git a/tests/untried/neg/t5390c.scala b/tests/untried/neg/t5390c.scala new file mode 100644 index 000000000..6277400dc --- /dev/null +++ b/tests/untried/neg/t5390c.scala @@ -0,0 +1,10 @@ +class A { + case class B(s: String) +} + +object X { + def foo: Unit = { + val b = new a.B("") + val a = new A + } +} diff --git a/tests/untried/neg/t5390d.check b/tests/untried/neg/t5390d.check new file mode 100644 index 000000000..daa29142e --- /dev/null +++ b/tests/untried/neg/t5390d.check @@ -0,0 +1,4 @@ +t5390d.scala:7: error: forward reference extends over definition of value b + val b = a.B.toString + ^ +one error found diff --git a/tests/untried/neg/t5390d.scala b/tests/untried/neg/t5390d.scala new file mode 100644 index 000000000..d376b714b --- /dev/null +++ b/tests/untried/neg/t5390d.scala @@ -0,0 +1,10 @@ +class A { + case class B(s: String) +} + +object X { + def foo: Unit = { + val b = a.B.toString + val a = new A + } +} diff --git a/tests/untried/neg/t5426.check b/tests/untried/neg/t5426.check new file mode 100644 index 000000000..98f3ddaaa --- /dev/null +++ b/tests/untried/neg/t5426.check @@ -0,0 +1,15 @@ +t5426.scala:2: warning: comparing values of types Some[Int] and Int using `==' will always yield false + def f1 = Some(5) == 5 + ^ +t5426.scala:3: warning: comparing values of types Int and Some[Int] using `==' will always yield false + def f2 = 5 == Some(5) + ^ +t5426.scala:8: warning: comparing values of types Int and Some[Int] using `==' will always yield false + (x1 == x2) + ^ +t5426.scala:9: warning: comparing values of types Some[Int] and Int using `==' will always yield false + (x2 == x1) + ^ +error: No warnings can be incurred under -Xfatal-warnings. +four warnings found +one error found diff --git a/tests/untried/neg/t5426.flags b/tests/untried/neg/t5426.flags new file mode 100644 index 000000000..e8fb65d50 --- /dev/null +++ b/tests/untried/neg/t5426.flags @@ -0,0 +1 @@ +-Xfatal-warnings
\ No newline at end of file diff --git a/tests/untried/neg/t5426.scala b/tests/untried/neg/t5426.scala new file mode 100644 index 000000000..af0f98196 --- /dev/null +++ b/tests/untried/neg/t5426.scala @@ -0,0 +1,10 @@ +class A { + def f1 = Some(5) == 5 + def f2 = 5 == Some(5) + + val x1 = 5 + val x2 = Some(5) + + (x1 == x2) + (x2 == x1) +} diff --git a/tests/untried/neg/t5429.check b/tests/untried/neg/t5429.check new file mode 100644 index 000000000..4350696bc --- /dev/null +++ b/tests/untried/neg/t5429.check @@ -0,0 +1,142 @@ +t5429.scala:20: error: overriding value value in class A of type Int; + object value needs `override' modifier + object value // fail + ^ +t5429.scala:21: error: overriding lazy value lazyvalue in class A of type Int; + object lazyvalue needs `override' modifier + object lazyvalue // fail + ^ +t5429.scala:22: error: overriding method nullary in class A of type => Int; + object nullary needs `override' modifier + object nullary // fail + ^ +t5429.scala:23: error: overriding method emptyArg in class A of type ()Int; + object emptyArg needs `override' modifier + object emptyArg // fail + ^ +t5429.scala:27: error: overriding value value in class A0 of type Any; + object value needs `override' modifier + object value // fail + ^ +t5429.scala:28: error: overriding lazy value lazyvalue in class A0 of type Any; + object lazyvalue needs `override' modifier + object lazyvalue // fail + ^ +t5429.scala:29: error: overriding method nullary in class A0 of type => Any; + object nullary needs `override' modifier + object nullary // fail + ^ +t5429.scala:30: error: overriding method emptyArg in class A0 of type ()Any; + object emptyArg needs `override' modifier + object emptyArg // fail + ^ +t5429.scala:35: error: overriding value value in class A of type Int; + object value has incompatible type + override object value // fail + ^ +t5429.scala:36: error: overriding lazy value lazyvalue in class A of type Int; + object lazyvalue must be declared lazy to override a concrete lazy value + override object lazyvalue // fail + ^ +t5429.scala:37: error: overriding method nullary in class A of type => Int; + object nullary has incompatible type + override object nullary // fail + ^ +t5429.scala:38: error: overriding method emptyArg in class A of type ()Int; + object emptyArg has incompatible type + override object emptyArg // fail + ^ +t5429.scala:39: error: object oneArg overrides nothing. +Note: the super classes of class C contain the following, non final members named oneArg: +def oneArg(x: String): Int + override object oneArg // fail + ^ +t5429.scala:43: error: overriding lazy value lazyvalue in class A0 of type Any; + object lazyvalue must be declared lazy to override a concrete lazy value + override object lazyvalue // !!! this fails, but should succeed (lazy over lazy) + ^ +t5429.scala:46: error: object oneArg overrides nothing. +Note: the super classes of class C0 contain the following, non final members named oneArg: +def oneArg(x: String): Any + override object oneArg // fail + ^ +t5429.scala:50: error: overriding value value in class A of type Int; + value value needs `override' modifier + val value = 0 // fail + ^ +t5429.scala:51: error: overriding lazy value lazyvalue in class A of type Int; + value lazyvalue needs `override' modifier + val lazyvalue = 0 // fail + ^ +t5429.scala:52: error: overriding method nullary in class A of type => Int; + value nullary needs `override' modifier + val nullary = 5 // fail + ^ +t5429.scala:53: error: overriding method emptyArg in class A of type ()Int; + value emptyArg needs `override' modifier + val emptyArg = 10 // fail + ^ +t5429.scala:58: error: overriding lazy value lazyvalue in class A0 of type Any; + value lazyvalue must be declared lazy to override a concrete lazy value + override val lazyvalue = 0 // fail (non-lazy) + ^ +t5429.scala:61: error: value oneArg overrides nothing. +Note: the super classes of class D0 contain the following, non final members named oneArg: +def oneArg(x: String): Any + override val oneArg = 15 // fail + ^ +t5429.scala:65: error: overriding value value in class A of type Int; + method value needs `override' modifier + def value = 0 // fail + ^ +t5429.scala:66: error: overriding lazy value lazyvalue in class A of type Int; + method lazyvalue needs `override' modifier + def lazyvalue = 2 // fail + ^ +t5429.scala:67: error: overriding method nullary in class A of type => Int; + method nullary needs `override' modifier + def nullary = 5 // fail + ^ +t5429.scala:68: error: overriding method emptyArg in class A of type ()Int; + method emptyArg needs `override' modifier + def emptyArg = 10 // fail + ^ +t5429.scala:72: error: overriding value value in class A0 of type Any; + method value needs to be a stable, immutable value + override def value = 0 // fail + ^ +t5429.scala:73: error: overriding lazy value lazyvalue in class A0 of type Any; + method lazyvalue needs to be a stable, immutable value + override def lazyvalue = 2 // fail + ^ +t5429.scala:76: error: method oneArg overrides nothing. +Note: the super classes of class E0 contain the following, non final members named oneArg: +def oneArg(x: String): Any + override def oneArg = 15 // fail + ^ +t5429.scala:80: error: overriding value value in class A of type Int; + lazy value value needs `override' modifier + lazy val value = 0 // fail + ^ +t5429.scala:81: error: overriding lazy value lazyvalue in class A of type Int; + lazy value lazyvalue needs `override' modifier + lazy val lazyvalue = 2 // fail + ^ +t5429.scala:82: error: overriding method nullary in class A of type => Int; + lazy value nullary needs `override' modifier + lazy val nullary = 5 // fail + ^ +t5429.scala:83: error: overriding method emptyArg in class A of type ()Int; + lazy value emptyArg needs `override' modifier + lazy val emptyArg = 10 // fail + ^ +t5429.scala:87: error: overriding value value in class A0 of type Any; + lazy value value cannot override a concrete non-lazy value + override lazy val value = 0 // fail (strict over lazy) + ^ +t5429.scala:91: error: value oneArg overrides nothing. +Note: the super classes of class F0 contain the following, non final members named oneArg: +def oneArg(x: String): Any + override lazy val oneArg = 15 // fail + ^ +34 errors found diff --git a/tests/untried/neg/t5429.scala b/tests/untried/neg/t5429.scala new file mode 100644 index 000000000..1cd4dcd03 --- /dev/null +++ b/tests/untried/neg/t5429.scala @@ -0,0 +1,93 @@ +// /scala/trac/5429/a.scala +// Wed Feb 1 08:05:27 PST 2012 + +class A { + val value = 0 + lazy val lazyvalue = 2 + def nullary = 5 + def emptyArg() = 10 + def oneArg(x: String) = 15 +} +class A0 { + val value: Any = 0 + lazy val lazyvalue: Any = 2 + def nullary: Any = 5 + def emptyArg(): Any = 10 + def oneArg(x: String): Any = 15 +} + +class B extends A { + object value // fail + object lazyvalue // fail + object nullary // fail + object emptyArg // fail + object oneArg // overload +} +class B0 extends A0 { + object value // fail + object lazyvalue // fail + object nullary // fail + object emptyArg // fail + object oneArg // overload +} + +class C extends A { + override object value // fail + override object lazyvalue // fail + override object nullary // fail + override object emptyArg // fail + override object oneArg // fail +} +class C0 extends A0 { + override object value // !!! this succeeds, but should fail (lazy over strict) + override object lazyvalue // !!! this fails, but should succeed (lazy over lazy) + override object nullary // override + override object emptyArg // override + override object oneArg // fail +} + +class D extends A { + val value = 0 // fail + val lazyvalue = 0 // fail + val nullary = 5 // fail + val emptyArg = 10 // fail + val oneArg = 15 // overload +} +class D0 extends A0 { + override val value = 0 // override + override val lazyvalue = 0 // fail (non-lazy) + override val nullary = 5 // override + override val emptyArg = 10 // override + override val oneArg = 15 // fail +} + +class E extends A { + def value = 0 // fail + def lazyvalue = 2 // fail + def nullary = 5 // fail + def emptyArg = 10 // fail + def oneArg = 15 // overload +} +class E0 extends A0 { + override def value = 0 // fail + override def lazyvalue = 2 // fail + override def nullary = 5 // override + override def emptyArg = 10 // override + override def oneArg = 15 // fail +} + +class F extends A { + lazy val value = 0 // fail + lazy val lazyvalue = 2 // fail + lazy val nullary = 5 // fail + lazy val emptyArg = 10 // fail + lazy val oneArg = 15 // overload +} +class F0 extends A0 { + override lazy val value = 0 // fail (strict over lazy) + override lazy val lazyvalue = 2 // override (lazy over lazy) + override lazy val nullary = 5 // override + override lazy val emptyArg = 10 // override + override lazy val oneArg = 15 // fail +} + diff --git a/tests/untried/neg/t5440.check b/tests/untried/neg/t5440.check new file mode 100644 index 000000000..1c4592cce --- /dev/null +++ b/tests/untried/neg/t5440.check @@ -0,0 +1,7 @@ +t5440.scala:3: warning: match may not be exhaustive. +It would fail on the following inputs: (List(_), Nil), (Nil, List(_)) + (list1, list2) match { + ^ +error: No warnings can be incurred under -Xfatal-warnings. +one warning found +one error found diff --git a/tests/untried/neg/t5440.flags b/tests/untried/neg/t5440.flags new file mode 100644 index 000000000..e8fb65d50 --- /dev/null +++ b/tests/untried/neg/t5440.flags @@ -0,0 +1 @@ +-Xfatal-warnings
\ No newline at end of file diff --git a/tests/untried/neg/t5440.scala b/tests/untried/neg/t5440.scala new file mode 100644 index 000000000..909bab1e3 --- /dev/null +++ b/tests/untried/neg/t5440.scala @@ -0,0 +1,7 @@ +object Test { + def merge(list1: List[Long], list2: List[Long]): Boolean = + (list1, list2) match { + case (hd1::_, hd2::_) => true + case (Nil, Nil) => true + } +} diff --git a/tests/untried/neg/t545.check b/tests/untried/neg/t545.check new file mode 100644 index 000000000..aae575fa9 --- /dev/null +++ b/tests/untried/neg/t545.check @@ -0,0 +1,4 @@ +t545.scala:4: error: value blah is not a member of Test.Foo + val x = foo.blah match { + ^ +one error found diff --git a/tests/untried/neg/t545.scala b/tests/untried/neg/t545.scala new file mode 100644 index 000000000..f1f9909dc --- /dev/null +++ b/tests/untried/neg/t545.scala @@ -0,0 +1,9 @@ +object Test { + class Foo + val foo = new Foo + val x = foo.blah match { + case List(x) => x + case Nil => null + case _ => throw new Error("too many!") + } +} diff --git a/tests/untried/neg/t5452-new.check b/tests/untried/neg/t5452-new.check new file mode 100644 index 000000000..1850a7004 --- /dev/null +++ b/tests/untried/neg/t5452-new.check @@ -0,0 +1,8 @@ +t5452-new.scala:30: error: overloaded method value apply with alternatives: + ()Queryable[CoffeesTable] <and> + (t: Tree)(implicit evidence$2: scala.reflect.ClassTag[CoffeesTable])Nothing <and> + (implicit evidence$1: scala.reflect.ClassTag[CoffeesTable])Nothing + cannot be applied to (Queryable[CoffeesTable]) + Queryable[CoffeesTable]( q.treeFilter(null) ) + ^ +one error found diff --git a/tests/untried/neg/t5452-new.scala b/tests/untried/neg/t5452-new.scala new file mode 100644 index 000000000..ef5f199e7 --- /dev/null +++ b/tests/untried/neg/t5452-new.scala @@ -0,0 +1,31 @@ +import scala.reflect.{ClassTag, classTag} + +// /scala/trac/5452/a.scala +// Mon Feb 13 22:52:36 PST 2012 + +// import scala.reflect.runtime.universe._ + +trait Tree + +object Bip { + def ??? = sys.error("") +} +import Bip._ + +case class Queryable[T]() { + def treeFilter( t:Tree ) : Queryable[T] = ??? +} + +object Queryable { + def apply[T:ClassTag] = ??? + def apply[T:ClassTag]( t:Tree ) = ??? +} + +trait CoffeesTable{ + def sales : Int +} + +object Test extends App{ + val q = new Queryable[CoffeesTable] + Queryable[CoffeesTable]( q.treeFilter(null) ) +} diff --git a/tests/untried/neg/t5452-old.check b/tests/untried/neg/t5452-old.check new file mode 100644 index 000000000..1860c98c5 --- /dev/null +++ b/tests/untried/neg/t5452-old.check @@ -0,0 +1,8 @@ +t5452-old.scala:28: error: overloaded method value apply with alternatives: + ()Queryable[CoffeesTable] <and> + (t: Tree)(implicit evidence$2: Manifest[CoffeesTable])Nothing <and> + (implicit evidence$1: Manifest[CoffeesTable])Nothing + cannot be applied to (Queryable[CoffeesTable]) + Queryable[CoffeesTable]( q.treeFilter(null) ) + ^ +one error found diff --git a/tests/untried/neg/t5452-old.scala b/tests/untried/neg/t5452-old.scala new file mode 100644 index 000000000..4f6dcbbe4 --- /dev/null +++ b/tests/untried/neg/t5452-old.scala @@ -0,0 +1,29 @@ +// /scala/trac/5452/a.scala +// Mon Feb 13 22:52:36 PST 2012 + +// import scala.reflect.runtime.universe._ + +trait Tree + +object Bip { + def ??? = sys.error("") +} +import Bip._ + +case class Queryable[T]() { + def treeFilter( t:Tree ) : Queryable[T] = ??? +} + +object Queryable { + def apply[T:Manifest] = ??? + def apply[T:Manifest]( t:Tree ) = ??? +} + +trait CoffeesTable{ + def sales : Int +} + +object Test extends App{ + val q = new Queryable[CoffeesTable] + Queryable[CoffeesTable]( q.treeFilter(null) ) +} diff --git a/tests/untried/neg/t5455.check b/tests/untried/neg/t5455.check new file mode 100644 index 000000000..788daf99f --- /dev/null +++ b/tests/untried/neg/t5455.check @@ -0,0 +1,4 @@ +t5455.scala:4: error: lazy vals are not tailcall transformed + @annotation.tailrec final lazy val bar: Thing[Int] = { + ^ +one error found diff --git a/tests/untried/neg/t5455.scala b/tests/untried/neg/t5455.scala new file mode 100644 index 000000000..6e5433578 --- /dev/null +++ b/tests/untried/neg/t5455.scala @@ -0,0 +1,16 @@ +trait Test { + def root: Test + + @annotation.tailrec final lazy val bar: Thing[Int] = { + if (this eq root) + Thing(() => System.identityHashCode(bar)) + else + root.bar + } + + def f = bar.f() +} + +case class Thing[A](f: () => A) { + override def toString = "" + f() +} diff --git a/tests/untried/neg/t5493.check b/tests/untried/neg/t5493.check new file mode 100644 index 000000000..78b1536bc --- /dev/null +++ b/tests/untried/neg/t5493.check @@ -0,0 +1,4 @@ +t5493.scala:2: error: not found: value iDontExist + def meh(xs: Any): Any = xs :: iDontExist :: Nil + ^ +one error found diff --git a/tests/untried/neg/t5493.scala b/tests/untried/neg/t5493.scala new file mode 100644 index 000000000..459cf53bb --- /dev/null +++ b/tests/untried/neg/t5493.scala @@ -0,0 +1,3 @@ +object Test { + def meh(xs: Any): Any = xs :: iDontExist :: Nil +} diff --git a/tests/untried/neg/t5497.check b/tests/untried/neg/t5497.check new file mode 100644 index 000000000..4d6d52b51 --- /dev/null +++ b/tests/untried/neg/t5497.check @@ -0,0 +1,4 @@ +t5497.scala:3: error: not found: value sq + case other => println(null.asInstanceOf[sq.Filter].tableName) + ^ +one error found diff --git a/tests/untried/neg/t5497.scala b/tests/untried/neg/t5497.scala new file mode 100644 index 000000000..c846b1ba5 --- /dev/null +++ b/tests/untried/neg/t5497.scala @@ -0,0 +1,5 @@ +object TestQueryable extends App{ + ({ + case other => println(null.asInstanceOf[sq.Filter].tableName) + } : Any => Unit)(null) +} diff --git a/tests/untried/neg/t550.check b/tests/untried/neg/t550.check new file mode 100644 index 000000000..da862e110 --- /dev/null +++ b/tests/untried/neg/t550.check @@ -0,0 +1,7 @@ +t550.scala:6: error: type List takes type parameters + def sum[a](xs: List)(implicit m: Monoid[a]): a = + ^ +t550.scala:8: error: could not find implicit value for parameter m: Monoid[a] + sum(List(1,2,3)) + ^ +two errors found diff --git a/tests/untried/neg/t550.scala b/tests/untried/neg/t550.scala new file mode 100644 index 000000000..5212a2658 --- /dev/null +++ b/tests/untried/neg/t550.scala @@ -0,0 +1,9 @@ +abstract class Monoid[a] { + def unit: a +} + +object test { + def sum[a](xs: List)(implicit m: Monoid[a]): a = + if (xs.isEmpty) m.unit else xs.head + sum(List(1,2,3)) +} diff --git a/tests/untried/neg/t5510.check b/tests/untried/neg/t5510.check new file mode 100644 index 000000000..322a2f5e2 --- /dev/null +++ b/tests/untried/neg/t5510.check @@ -0,0 +1,19 @@ +t5510.scala:2: error: unclosed string literal + val s1 = s"xxx + ^ +t5510.scala:3: error: unclosed string literal + val s2 = s"xxx $x + ^ +t5510.scala:4: error: unclosed string literal + val s3 = s"xxx $$ + ^ +t5510.scala:5: error: unclosed string literal + val s4 = ""s" + ^ +t5510.scala:6: error: unclosed multi-line string literal + val s5 = ""s""" $s1 $s2 s" + ^ +t5510.scala:7: error: unclosed multi-line string literal +} + ^ +6 errors found diff --git a/tests/untried/neg/t5510.scala b/tests/untried/neg/t5510.scala new file mode 100644 index 000000000..12630eb2c --- /dev/null +++ b/tests/untried/neg/t5510.scala @@ -0,0 +1,7 @@ +object Test { + val s1 = s"xxx + val s2 = s"xxx $x + val s3 = s"xxx $$ + val s4 = ""s" + val s5 = ""s""" $s1 $s2 s" +} diff --git a/tests/untried/neg/t5529.check b/tests/untried/neg/t5529.check new file mode 100644 index 000000000..da3f84e1e --- /dev/null +++ b/tests/untried/neg/t5529.check @@ -0,0 +1,7 @@ +t5529.scala:12: error: File is already defined as class File + type File + ^ +t5529.scala:10: error: class type required but test.Test.File found + sealed class Dir extends File { } + ^ +two errors found diff --git a/tests/untried/neg/t5529.scala b/tests/untried/neg/t5529.scala new file mode 100644 index 000000000..033009a8a --- /dev/null +++ b/tests/untried/neg/t5529.scala @@ -0,0 +1,13 @@ +// /scala/trac/5529/a.scala +// Tue Feb 28 13:11:28 PST 2012 + +package test; + +object Test { + sealed class File { + val i = 1 + } + sealed class Dir extends File { } + + type File +} diff --git a/tests/untried/neg/t5543.check b/tests/untried/neg/t5543.check new file mode 100644 index 000000000..b61de0f78 --- /dev/null +++ b/tests/untried/neg/t5543.check @@ -0,0 +1,10 @@ +t5543.scala:3: error: not found: type T + def this(x: T) { this() } + ^ +t5543.scala:11: error: not found: value x + def this(a: Int, b: Int = x) { + ^ +t5543.scala:18: error: not found: value x + def this(a: Int = x) { this() } + ^ +three errors found diff --git a/tests/untried/neg/t5543.scala b/tests/untried/neg/t5543.scala new file mode 100644 index 000000000..4e03e6e11 --- /dev/null +++ b/tests/untried/neg/t5543.scala @@ -0,0 +1,19 @@ +class C1 { + type T + def this(x: T) { this() } +} + +class C1a[T] { + def this(x: T) { this() } // works, no error here +} + +class C2(x: Int) { + def this(a: Int, b: Int = x) { + this(b) + } +} + +class C3 { + val x = 0 + def this(a: Int = x) { this() } +} diff --git a/tests/untried/neg/t5544.check b/tests/untried/neg/t5544.check new file mode 100644 index 000000000..d4113935a --- /dev/null +++ b/tests/untried/neg/t5544.check @@ -0,0 +1,4 @@ +Test_2.scala:2: error: value baz is not a member of object Api + Api.baz + ^ +one error found diff --git a/tests/untried/neg/t5544/Api_1.scala b/tests/untried/neg/t5544/Api_1.scala new file mode 100644 index 000000000..77637f440 --- /dev/null +++ b/tests/untried/neg/t5544/Api_1.scala @@ -0,0 +1,8 @@ +import scala.annotation.StaticAnnotation + +class ann(val bar: Any) extends StaticAnnotation + +object Api { + @ann({def baz = "baz!!"}) + def foo = println("foo") +} diff --git a/tests/untried/neg/t5544/Test_2.scala b/tests/untried/neg/t5544/Test_2.scala new file mode 100644 index 000000000..4c8c99cbc --- /dev/null +++ b/tests/untried/neg/t5544/Test_2.scala @@ -0,0 +1,3 @@ +object Test extends App { + Api.baz +} diff --git a/tests/untried/neg/t5553_1.check b/tests/untried/neg/t5553_1.check new file mode 100644 index 000000000..afd648988 --- /dev/null +++ b/tests/untried/neg/t5553_1.check @@ -0,0 +1,54 @@ +t5553_1.scala:18: error: ambiguous reference to overloaded definition, +both method apply in object Foo1 of type (z: String)Base[T] +and method apply in object Foo1 of type (a: Int)Base[T] +match expected type ? + def test1[T] = Foo1[T] + ^ +t5553_1.scala:19: error: type mismatch; + found : [T](z: String)Base[T] <and> (a: Int)Base[T] + required: Int + def test2[T]: Int = Foo1[T] + ^ +t5553_1.scala:20: error: type mismatch; + found : [T(in method apply)](z: String)Base[T(in method apply)] <and> (a: Int)Base[T(in method apply)] + required: Base[T(in method test3)] + def test3[T]: Base[T] = Foo1[T] + ^ +t5553_1.scala:24: error: ambiguous reference to overloaded definition, +both method apply in object Foo2 of type (z: String)Base[T] +and method apply in object Foo2 of type (a: Int)Base[T] +match expected type ? + def test4[T] = Foo2[T] + ^ +t5553_1.scala:25: error: type mismatch; + found : [T](z: String)Base[T] <and> (a: Int)Base[T] + required: Int + def test5[T]: Int = Foo2[T] + ^ +t5553_1.scala:26: error: type mismatch; + found : [T(in method apply)](z: String)Base[T(in method apply)] <and> (a: Int)Base[T(in method apply)] + required: Base[T(in method test6)] + def test6[T]: Base[T] = Foo2[T] + ^ +t5553_1.scala:30: error: ambiguous reference to overloaded definition, +both method apply in object Foo3 of type (z: String)String +and method apply in object Foo3 of type (a: Int)Base[T] +match expected type ? + def test7[T] = Foo3[T] + ^ +t5553_1.scala:31: error: type mismatch; + found : [T](z: String)String <and> (a: Int)Base[T] + required: String + def test8[T]: String = Foo3[T] + ^ +t5553_1.scala:32: error: type mismatch; + found : [T](z: String)String <and> (a: Int)Base[T] + required: Int + def test9[T]: Int = Foo3[T] + ^ +t5553_1.scala:33: error: type mismatch; + found : [T(in method apply)](z: String)String <and> (a: Int)Base[T(in method apply)] + required: Base[T(in method test10)] + def test10[T]: Base[T] = Foo3[T] + ^ +10 errors found diff --git a/tests/untried/neg/t5553_1.scala b/tests/untried/neg/t5553_1.scala new file mode 100644 index 000000000..32d61ec85 --- /dev/null +++ b/tests/untried/neg/t5553_1.scala @@ -0,0 +1,34 @@ +class Base[T] + +object Foo1 { + def apply[T](a: Int): Base[T] = new Base[T] + def apply[T](z: String): Base[T] = new Base[T] +} + +object Foo2 { + def apply[T](a: Int): Base[T] = new Base[T] + def apply[T](z: String="abc"): Base[T] = new Base[T] +} + +object Foo3 { + def apply[T](a: Int): Base[T] = new Base[T] + def apply[T](z: String="abc"): String = z +} +object Test { + def test1[T] = Foo1[T] + def test2[T]: Int = Foo1[T] + def test3[T]: Base[T] = Foo1[T] +} + +object Test2 { + def test4[T] = Foo2[T] + def test5[T]: Int = Foo2[T] + def test6[T]: Base[T] = Foo2[T] +} + +object Test3{ + def test7[T] = Foo3[T] + def test8[T]: String = Foo3[T] + def test9[T]: Int = Foo3[T] + def test10[T]: Base[T] = Foo3[T] +} diff --git a/tests/untried/neg/t5553_2.check b/tests/untried/neg/t5553_2.check new file mode 100644 index 000000000..599fdb052 --- /dev/null +++ b/tests/untried/neg/t5553_2.check @@ -0,0 +1,50 @@ +t5553_2.scala:27: error: type mismatch; + found : Base[T] + required: Int + def test4[T]: Int = Foo1[T](1) + ^ +t5553_2.scala:34: error: type mismatch; + found : String + required: Base[T] + def test7[T]: Base[T] = Foo2[T] + ^ +t5553_2.scala:35: error: type mismatch; + found : String + required: Int + def test8[T]: Int = Foo2[T] + ^ +t5553_2.scala:40: error: type mismatch; + found : String + required: Int + def test9[T]: Int = Foo3[T] + ^ +t5553_2.scala:41: error: type mismatch; + found : String + required: Base[T] + def test10[T]: Base[T] = Foo3[T] + ^ +t5553_2.scala:47: error: could not find implicit value for parameter z: String + def test13[T]: Int = Foo3[T] + ^ +t5553_2.scala:48: error: could not find implicit value for parameter z: String + def test14[T]: Base[T] = Foo3[T] + ^ +t5553_2.scala:49: error: could not find implicit value for parameter z: String + def test15[T]: String = Foo3[T] + ^ +t5553_2.scala:50: error: could not find implicit value for parameter z: String + def test16[T] = Foo3[T] + ^ +t5553_2.scala:54: error: ambiguous reference to overloaded definition, +both method apply in object Foo4 of type (x: Int)(implicit z: String)Base[T] +and method apply in object Foo4 of type (x: Int)Base[T] +match argument types (Int) + def test17[T] = Foo4[T](1) + ^ +t5553_2.scala:55: error: ambiguous reference to overloaded definition, +both method apply in object Foo4 of type (x: Int)(implicit z: String)Base[T] +and method apply in object Foo4 of type (x: Int)Base[T] +match argument types (Int) and expected result type Base[T] + def test18[T]: Base[T] = Foo4[T](1) + ^ +11 errors found diff --git a/tests/untried/neg/t5553_2.scala b/tests/untried/neg/t5553_2.scala new file mode 100644 index 000000000..16958aec8 --- /dev/null +++ b/tests/untried/neg/t5553_2.scala @@ -0,0 +1,59 @@ +class Base[T] + +object Foo1 { + def apply[T](x: Int): Base[T] = new Base[T] + def apply[T](x: Int, z: String="abc"): String = z +} + +object Foo2 { + def apply[T](a: Int): Base[T] = new Base[T] + def apply[T]: String = "abc" +} + +object Foo3 { + def apply[T](x: Int): Base[T] = new Base[T] + def apply[T](implicit z: String): String = z +} + +object Foo4 { + def apply[T](x: Int): Base[T] = new Base[T] + def apply[T](x: Int)(implicit z: String): Base[T] = new Base[T] +} + +object Test1 { + def test1[T] = Foo1[T](1) + def test2[T]: String = Foo1[T](1) + def test3[T]: Base[T] = Foo1[T](1) + def test4[T]: Int = Foo1[T](1) + +} + +object Test2 { + def test5[T] = Foo2[T] + def test6[T]: String = Foo2[T] + def test7[T]: Base[T] = Foo2[T] + def test8[T]: Int = Foo2[T] +} + +object Test3 { + implicit val v: String = "abc" + def test9[T]: Int = Foo3[T] + def test10[T]: Base[T] = Foo3[T] + def test11[T]: String = Foo3[T] + def test12[T] = Foo3[T] +} + +object Test4 { + def test13[T]: Int = Foo3[T] + def test14[T]: Base[T] = Foo3[T] + def test15[T]: String = Foo3[T] + def test16[T] = Foo3[T] +} + +object Test5 { + def test17[T] = Foo4[T](1) + def test18[T]: Base[T] = Foo4[T](1) + //def test19[T]: String = Foo4[T](1) // #5554 +} + + diff --git a/tests/untried/neg/t5554.check b/tests/untried/neg/t5554.check new file mode 100644 index 000000000..8f657fd32 --- /dev/null +++ b/tests/untried/neg/t5554.check @@ -0,0 +1,67 @@ +t5554.scala:14: error: ambiguous reference to overloaded definition, +both method apply in object Foo1 of type (x: Int)(implicit z: String)String +and method apply in object Foo1 of type (x: Int)Base[T] +match argument types (Int) + def test1[T]: Int = Foo1[T](1) + ^ +t5554.scala:16: error: ambiguous reference to overloaded definition, +both method apply in object Foo1 of type (x: Int)(implicit z: String)String +and method apply in object Foo1 of type (x: Int)Base[T] +match argument types (Int) + def test3[T]: String = Foo1[T](1) + ^ +t5554.scala:17: error: ambiguous reference to overloaded definition, +both method apply in object Foo1 of type (x: Int)(implicit z: String)String +and method apply in object Foo1 of type (x: Int)Base[T] +match argument types (Int) + def test4[T] = Foo1[T](1) + ^ +t5554.scala:22: error: ambiguous reference to overloaded definition, +both method apply in object Foo1 of type (x: Int)(implicit z: String)String +and method apply in object Foo1 of type (x: Int)Base[T] +match argument types (Int) + def test5[T]: Int = Foo1[T](1) + ^ +t5554.scala:25: error: ambiguous reference to overloaded definition, +both method apply in object Foo1 of type (x: Int)(implicit z: String)String +and method apply in object Foo1 of type (x: Int)Base[T] +match argument types (Int) + def test8[T] = Foo1[T](1) + ^ +t5554.scala:29: error: ambiguous reference to overloaded definition, +both method apply in object Foo2 of type (x: Int)(implicit z: String)Base[T] +and method apply in object Foo2 of type (x: Int)Base[T] +match argument types (Int) + def test9[T]: String = Foo2[T](1) + ^ +t5554.scala:30: error: ambiguous reference to overloaded definition, +both method apply in object Foo2 of type (x: Int)(implicit z: String)Base[T] +and method apply in object Foo2 of type (x: Int)Base[T] +match argument types (Int) and expected result type Base[T] + def test10[T]: Base[T] = Foo2[T](1) + ^ +t5554.scala:31: error: ambiguous reference to overloaded definition, +both method apply in object Foo2 of type (x: Int)(implicit z: String)Base[T] +and method apply in object Foo2 of type (x: Int)Base[T] +match argument types (Int) + def test11[T] = Foo2[T](1) + ^ +t5554.scala:36: error: ambiguous reference to overloaded definition, +both method apply in object Foo2 of type (x: Int)(implicit z: String)Base[T] +and method apply in object Foo2 of type (x: Int)Base[T] +match argument types (Int) + def test12[T]: String = Foo2[T](1) + ^ +t5554.scala:37: error: ambiguous reference to overloaded definition, +both method apply in object Foo2 of type (x: Int)(implicit z: String)Base[T] +and method apply in object Foo2 of type (x: Int)Base[T] +match argument types (Int) and expected result type Base[T] + def test13[T]: Base[T] = Foo2[T](1) + ^ +t5554.scala:38: error: ambiguous reference to overloaded definition, +both method apply in object Foo2 of type (x: Int)(implicit z: String)Base[T] +and method apply in object Foo2 of type (x: Int)Base[T] +match argument types (Int) + def test14[T] = Foo2[T](1) + ^ +11 errors found diff --git a/tests/untried/neg/t5554.scala b/tests/untried/neg/t5554.scala new file mode 100644 index 000000000..d279abea7 --- /dev/null +++ b/tests/untried/neg/t5554.scala @@ -0,0 +1,39 @@ +class Base[T] + +object Foo1 { + def apply[T](x: Int): Base[T] = new Base[T] + def apply[T](x: Int)(implicit z: String): String = z +} + +object Foo2 { + def apply[T](x: Int): Base[T] = new Base[T] + def apply[T](x: Int)(implicit z: String): Base[T] = new Base[T] +} + +object Test1 { + def test1[T]: Int = Foo1[T](1) + def test2[T]: Base[T] = Foo1[T](1) + def test3[T]: String = Foo1[T](1) + def test4[T] = Foo1[T](1) +} + +object Test2 { + implicit val v: String = "foo" + def test5[T]: Int = Foo1[T](1) + def test6[T]: Base[T] = Foo1[T](1) + def test7[T]: String = Foo1[T](1) + def test8[T] = Foo1[T](1) +} + +object Test3 { + def test9[T]: String = Foo2[T](1) + def test10[T]: Base[T] = Foo2[T](1) + def test11[T] = Foo2[T](1) +} + +object Test4 { + implicit val v: String = "foo" + def test12[T]: String = Foo2[T](1) + def test13[T]: Base[T] = Foo2[T](1) + def test14[T] = Foo2[T](1) +} diff --git a/tests/untried/neg/t556.check b/tests/untried/neg/t556.check new file mode 100644 index 000000000..30cc296b3 --- /dev/null +++ b/tests/untried/neg/t556.check @@ -0,0 +1,7 @@ +t556.scala:3: error: missing parameter type + def g:Int = f((x,y)=>x) + ^ +t556.scala:3: error: missing parameter type + def g:Int = f((x,y)=>x) + ^ +two errors found diff --git a/tests/untried/neg/t556.scala b/tests/untried/neg/t556.scala new file mode 100644 index 000000000..b0113258c --- /dev/null +++ b/tests/untried/neg/t556.scala @@ -0,0 +1,4 @@ +object Main extends App { + def f(a:Int=>Int):Int = a(4) + def g:Int = f((x,y)=>x) +} diff --git a/tests/untried/neg/t5564.check b/tests/untried/neg/t5564.check new file mode 100644 index 000000000..e7e13ccc9 --- /dev/null +++ b/tests/untried/neg/t5564.check @@ -0,0 +1,4 @@ +t5564.scala:8: error: inferred type arguments [A] do not conform to method bar's type parameter bounds [B >: A <: C] + def bar[B >: A <: C]: T = throw new Exception + ^ +one error found diff --git a/tests/untried/neg/t5564.scala b/tests/untried/neg/t5564.scala new file mode 100644 index 000000000..663cf8872 --- /dev/null +++ b/tests/untried/neg/t5564.scala @@ -0,0 +1,9 @@ + + + +trait C + + +class Foo[@specialized(Int) T, A] { + def bar[B >: A <: C]: T = throw new Exception +} diff --git a/tests/untried/neg/t5572.check b/tests/untried/neg/t5572.check new file mode 100644 index 000000000..3c9adf41c --- /dev/null +++ b/tests/untried/neg/t5572.check @@ -0,0 +1,16 @@ +t5572.scala:16: error: type mismatch; + found : B + required: A + Z.transf(a, b) match { + ^ +t5572.scala:16: error: type mismatch; + found : A + required: B + Z.transf(a, b) match { + ^ +t5572.scala:18: error: type mismatch; + found : A + required: B + run(sth, b) + ^ +three errors found diff --git a/tests/untried/neg/t5572.scala b/tests/untried/neg/t5572.scala new file mode 100644 index 000000000..81f848362 --- /dev/null +++ b/tests/untried/neg/t5572.scala @@ -0,0 +1,23 @@ +class A +class B + +trait X + +object Z { + def transf(a: A, b: B): X = null +} + +class Test { + + def bar(): (A, B) + + def foo: Unit = { + val (b, a) = bar() + Z.transf(a, b) match { + case sth => + run(sth, b) + } + } + + def run(x: X, z: B): Unit = () +} diff --git a/tests/untried/neg/t5578.check b/tests/untried/neg/t5578.check new file mode 100644 index 000000000..56123d2e0 --- /dev/null +++ b/tests/untried/neg/t5578.check @@ -0,0 +1,7 @@ +t5578.scala:33: error: type mismatch; + found : NumericOpsExp.this.Plus[T] + required: NumericOpsExp.this.Rep[T] + (which expands to) NumericOpsExp.this.Exp[T] + def plus[T: Numeric](x: Rep[T], y: Rep[T]): Rep[T] = Plus[T](x,y) + ^ +one error found diff --git a/tests/untried/neg/t5578.scala b/tests/untried/neg/t5578.scala new file mode 100644 index 000000000..ce72f32d5 --- /dev/null +++ b/tests/untried/neg/t5578.scala @@ -0,0 +1,39 @@ +trait Base { + type Rep[T] +} + +trait Expressions { + // constants/symbols (atomic) + abstract class Exp[T] + // ... + case class Sym[T](n: Int) extends Exp[T] + + // operations (composite, defined in subtraits) + abstract class Def[T] + + // additional members for managing encountered definitions + def findOrCreateDefinition[T](rhs: Def[T]): Sym[T] + implicit def toExp[T:Manifest](d: Def[T]): Exp[T] = findOrCreateDefinition(d) +} + +trait BaseExp extends Base with Expressions { + type Rep[T] = Exp[T] + + def findOrCreateDefinition[T](rhs: Def[T]): Sym[T] = null // stub +} + +trait NumericOps extends Base { + def plus[T](x: Rep[T], y: Rep[T]): Rep[T] +} + +trait NumericOpsExp extends BaseExp { + case class Plus[T:Numeric](x: Rep[T], y: Rep[T]) + extends Def[T] + + def plus[T: Numeric](x: Rep[T], y: Rep[T]): Rep[T] = Plus[T](x,y) + + // Possible solutions: +// def plus[T: Numeric: Manifest](x: Rep[T], y: Rep[T]): Rep[T] = Plus[T](x, y) +// def plus[T](x: Rep[T], y: Rep[T])(implicit num: Numeric[T], man: Manifest[T]): Rep[T] = Plus(x,y) + +} diff --git a/tests/untried/neg/t558.check b/tests/untried/neg/t558.check new file mode 100644 index 000000000..f33ddc451 --- /dev/null +++ b/tests/untried/neg/t558.check @@ -0,0 +1,4 @@ +t558.scala:13: error: value file is not a member of NewModel.this.RootURL + final val source = top.file; + ^ +one error found diff --git a/tests/untried/neg/t558.scala b/tests/untried/neg/t558.scala new file mode 100644 index 000000000..58b030347 --- /dev/null +++ b/tests/untried/neg/t558.scala @@ -0,0 +1,19 @@ +package scala.tools.nsc.models; +import scala.tools.nsc.io.AbstractFile; + +abstract class NewModel { + abstract class SymbolURL { + val top : RootURL; + val name : String; + val source : AbstractFile; + } + abstract class NodeURL extends SymbolURL { + val parent : SymbolURL; + final val top = parent.top; + final val source = top.file; + + } + abstract class RootURL extends SymbolURL { + final val top : RootURL = this; + } +} diff --git a/tests/untried/neg/t5580a.check b/tests/untried/neg/t5580a.check new file mode 100644 index 000000000..50a31857d --- /dev/null +++ b/tests/untried/neg/t5580a.check @@ -0,0 +1,6 @@ +t5580a.scala:9: error: polymorphic expression cannot be instantiated to expected type; + found : [A]scala.collection.mutable.Set[A] + required: scala.collection.mutable.Map[bar,scala.collection.mutable.Set[bar]] + if (map.get(tmp).isEmpty) map.put(tmp,collection.mutable.Set()) + ^ +one error found diff --git a/tests/untried/neg/t5580a.scala b/tests/untried/neg/t5580a.scala new file mode 100644 index 000000000..742f0e85e --- /dev/null +++ b/tests/untried/neg/t5580a.scala @@ -0,0 +1,11 @@ +import scala.collection.mutable.WeakHashMap + +class bar{ } +class foo{ + val map = WeakHashMap[AnyRef, collection.mutable.Map[bar, collection.mutable.Set[bar]]]() + + def test={ + val tmp:bar=null + if (map.get(tmp).isEmpty) map.put(tmp,collection.mutable.Set()) + } +} diff --git a/tests/untried/neg/t5580b.check b/tests/untried/neg/t5580b.check new file mode 100644 index 000000000..45fde46ff --- /dev/null +++ b/tests/untried/neg/t5580b.check @@ -0,0 +1,6 @@ +t5580b.scala:11: error: polymorphic expression cannot be instantiated to expected type; + found : [A]scala.collection.mutable.Set[A] + required: scala.collection.mutable.Map[bar,scala.collection.mutable.Set[bar]] + if (map.get(tmp).isEmpty) map.put(tmp,collection.mutable.Set()) + ^ +one error found diff --git a/tests/untried/neg/t5580b.scala b/tests/untried/neg/t5580b.scala new file mode 100644 index 000000000..2161da458 --- /dev/null +++ b/tests/untried/neg/t5580b.scala @@ -0,0 +1,13 @@ +import scala.collection.mutable.WeakHashMap +import scala.collection.JavaConversions._ + +class bar { } + +class foo { + val map = WeakHashMap[AnyRef, collection.mutable.Map[bar, collection.mutable.Set[bar]]]() + + def test={ + val tmp:bar=null + if (map.get(tmp).isEmpty) map.put(tmp,collection.mutable.Set()) + } +} diff --git a/tests/untried/neg/t5617.check b/tests/untried/neg/t5617.check new file mode 100644 index 000000000..79cc3a1e3 --- /dev/null +++ b/tests/untried/neg/t5617.check @@ -0,0 +1,8 @@ +t5617.scala:12: error: method foo overrides nothing. +Note: the super classes of trait C contain the following, non final members named foo: +def foo(u: Unit): Int +def foo(x: Boolean): Int +def foo(i: Int)(b: String): Int + override def foo(s: String): Int + ^ +one error found diff --git a/tests/untried/neg/t5617.scala b/tests/untried/neg/t5617.scala new file mode 100644 index 000000000..41541b5e9 --- /dev/null +++ b/tests/untried/neg/t5617.scala @@ -0,0 +1,14 @@ +trait A { + def foo(i: Int)(b: String): Int + def foo(u: Unit): Int // not reported + def foo(x: Float): Int // not reported +} +trait B[X] extends A { + def foo(x: X): Int + def foo(u: Unit): Int + final def foo(x: Float): Int = 0 // not reported +} +trait C extends B[Boolean] { + override def foo(s: String): Int + val foo = 0 // not reported +} diff --git a/tests/untried/neg/t562.check b/tests/untried/neg/t562.check new file mode 100644 index 000000000..8c3823642 --- /dev/null +++ b/tests/untried/neg/t562.check @@ -0,0 +1,4 @@ +t562.scala:10: error: super may be not be used on value y + override val y = super.y; + ^ +one error found diff --git a/tests/untried/neg/t562.scala b/tests/untried/neg/t562.scala new file mode 100644 index 000000000..c4a6e6174 --- /dev/null +++ b/tests/untried/neg/t562.scala @@ -0,0 +1,11 @@ +package test; + +abstract class XXX; + +trait YYY extends XXX { + val y = 10; +} + +class Foo extends XXX with YYY { + override val y = super.y; +} diff --git a/tests/untried/neg/t563.check b/tests/untried/neg/t563.check new file mode 100644 index 000000000..1431c85eb --- /dev/null +++ b/tests/untried/neg/t563.check @@ -0,0 +1,4 @@ +t563.scala:6: error: missing parameter type + map(n,ptr => Option(ptr.get)); + ^ +one error found diff --git a/tests/untried/neg/t563.scala b/tests/untried/neg/t563.scala new file mode 100644 index 000000000..204ad3cbd --- /dev/null +++ b/tests/untried/neg/t563.scala @@ -0,0 +1,7 @@ +object Test { + def map[A,R](a : List[A], f : A => R) : List[R] = a.map(f); + + def split(sn : Iterable[List[Option[Int]]]) : Unit = + for (n <- sn) + map(n,ptr => Option(ptr.get)); +} diff --git a/tests/untried/neg/t565.check b/tests/untried/neg/t565.check new file mode 100644 index 000000000..136cc94b6 --- /dev/null +++ b/tests/untried/neg/t565.check @@ -0,0 +1,5 @@ +t565.scala:2: error: only classes can have declared but undefined members +(Note that variables need to be initialized to be defined) + var s0: String + ^ +one error found diff --git a/tests/untried/neg/t565.scala b/tests/untried/neg/t565.scala new file mode 100644 index 000000000..9a4732fcc --- /dev/null +++ b/tests/untried/neg/t565.scala @@ -0,0 +1,3 @@ +object test { + var s0: String +} diff --git a/tests/untried/neg/t5663-badwarneq.check b/tests/untried/neg/t5663-badwarneq.check new file mode 100644 index 000000000..732e4f44d --- /dev/null +++ b/tests/untried/neg/t5663-badwarneq.check @@ -0,0 +1,42 @@ +t5663-badwarneq.scala:47: warning: comparing case class values of types Some[Int] and None.type using `==' will always yield false + println(new Some(1) == None) // Should complain on type, was: spuriously complains on fresh object + ^ +t5663-badwarneq.scala:48: warning: comparing case class values of types Some[Int] and Thing using `==' will always yield false + println(Some(1) == new Thing(1)) // Should complain on type, was: spuriously complains on fresh object + ^ +t5663-badwarneq.scala:56: warning: ThingOne and Thingy are unrelated: they will most likely never compare equal + println(t1 == t2) // true, but apparently unrelated, a compromise warning + ^ +t5663-badwarneq.scala:57: warning: ThingThree and Thingy are unrelated: they will most likely never compare equal + println(t4 == t2) // true, complains because ThingThree is final and Thingy not a subclass, stronger claim than unrelated + ^ +t5663-badwarneq.scala:60: warning: comparing case class values of types ThingTwo and Some[Int] using `==' will always yield false + println(t3 == Some(1)) // false, warn on different cases + ^ +t5663-badwarneq.scala:61: warning: comparing values of types ThingOne and Cousin using `==' will always yield false + println(t1 == c) // should warn + ^ +t5663-badwarneq.scala:69: warning: comparing case class values of types Simple and SimpleSibling.type using `==' will always yield false + println(new Simple() == SimpleSibling) // like Some(1) == None, but needn't be final case + ^ +t5663-badwarneq.scala:72: warning: ValueClass1 and Int are unrelated: they will never compare equal + println(new ValueClass1(5) == 5) // bad + ^ +t5663-badwarneq.scala:74: warning: comparing values of types Int and ValueClass1 using `==' will always yield false + println(5 == new ValueClass1(5)) // bad + ^ +t5663-badwarneq.scala:78: warning: ValueClass2[String] and String are unrelated: they will never compare equal + println(new ValueClass2("abc") == "abc") // bad + ^ +t5663-badwarneq.scala:79: warning: ValueClass2[Int] and ValueClass1 are unrelated: they will never compare equal + println(new ValueClass2(5) == new ValueClass1(5)) // bad - different value classes + ^ +t5663-badwarneq.scala:81: warning: comparing values of types ValueClass3 and ValueClass2[Int] using `==' will always yield false + println(ValueClass3(5) == new ValueClass2(5)) // bad + ^ +t5663-badwarneq.scala:82: warning: comparing values of types ValueClass3 and Int using `==' will always yield false + println(ValueClass3(5) == 5) // bad + ^ +error: No warnings can be incurred under -Xfatal-warnings. +13 warnings found +one error found diff --git a/tests/untried/neg/t5663-badwarneq.flags b/tests/untried/neg/t5663-badwarneq.flags new file mode 100644 index 000000000..85d8eb2ba --- /dev/null +++ b/tests/untried/neg/t5663-badwarneq.flags @@ -0,0 +1 @@ +-Xfatal-warnings diff --git a/tests/untried/neg/t5663-badwarneq.scala b/tests/untried/neg/t5663-badwarneq.scala new file mode 100644 index 000000000..1cc554264 --- /dev/null +++ b/tests/untried/neg/t5663-badwarneq.scala @@ -0,0 +1,94 @@ + +// alias +trait Thingy + +class Gramps + +// sibling classes that extend a case class +case class Thing(i: Int) extends Gramps +class ThingOne(x:Int) extends Thing(x) +class ThingTwo(y:Int) extends Thing(y) with Thingy +final class ThingThree(z:Int) extends Thing(z) + +// not case cousin +class Cousin extends Gramps + +class SimpleParent +case class Simple() extends SimpleParent +case object SimpleSibling extends SimpleParent + +// value classes +final class ValueClass1(val value: Int) extends AnyVal +final class ValueClass2[T](val value: T) extends AnyVal +final case class ValueClass3(val value: Int) extends AnyVal + +/* It's not possible to run partest without -deprecation. + * Since detecting the warnings requires a neg test with + * -Xfatal-warnings, and deprecation terminates the compile, + * we'll just comment out the nasty part. The point was + * just to show there's nothing special about a trait + * that extends a case class, which is only permitted + * (deprecatingly) by omitting the parens. + * +// common ancestor is something else +class AnyThing +case class SomeThing extends AnyThing // deprecation +class OtherThing extends AnyThing + +// how you inherit caseness doesn't matter +trait InThing extends SomeThing +class MyThing extends InThing +*/ + +object Test { + def main(a: Array[String]): Unit = { + // nothing to do with Gavin + println(new Some(1) == new Some(1)) // OK, true + println(new Some(1) == None) // Should complain on type, was: spuriously complains on fresh object + println(Some(1) == new Thing(1)) // Should complain on type, was: spuriously complains on fresh object + + val t1 = new ThingOne(11) + val t2: Thingy = new ThingTwo(11) + val t3 = new ThingTwo(11) + val t4 = new ThingThree(11) + val c = new Cousin + + println(t1 == t2) // true, but apparently unrelated, a compromise warning + println(t4 == t2) // true, complains because ThingThree is final and Thingy not a subclass, stronger claim than unrelated + println(t2 == t3) // OK, two Thingy + println(t3 == t2) // ditto with case receiver + println(t3 == Some(1)) // false, warn on different cases + println(t1 == c) // should warn + + // don't warn on fresh cases + println(new ThingOne(11) == t1) // OK, was: two cases not warnable on trunk + println(new ThingTwo(11) == t2) // true, was: spuriously complains on fresh object + println(new ThingOne(11) == t3) // two cases not warnable on trunk + println(new ThingTwo(11) == t3) // ditto + + println(new Simple() == SimpleSibling) // like Some(1) == None, but needn't be final case + + println(new ValueClass1(5) == new ValueClass1(5)) // ok + println(new ValueClass1(5) == 5) // bad + println(new ValueClass1(5) == (5: Any)) // ok, have to let it through + println(5 == new ValueClass1(5)) // bad + println((5: Any) == new ValueClass1(5) == (5: Any)) // ok + + println(new ValueClass2("abc") == new ValueClass2("abc")) // ok + println(new ValueClass2("abc") == "abc") // bad + println(new ValueClass2(5) == new ValueClass1(5)) // bad - different value classes + println(ValueClass3(5) == new ValueClass3(5)) // ok + println(ValueClass3(5) == new ValueClass2(5)) // bad + println(ValueClass3(5) == 5) // bad + + /* + val mine = new MyThing + val some = new SomeThing + val other = new OtherThing + println(mine == some) // OK, two Something + println(some == mine) + println(mine == other) // OK, two Anything? + println(mine == t1) // false + */ + } +} diff --git a/tests/untried/neg/t5666.check b/tests/untried/neg/t5666.check new file mode 100644 index 000000000..1c714796b --- /dev/null +++ b/tests/untried/neg/t5666.check @@ -0,0 +1,37 @@ +t5666.scala:2: error: class Any is abstract; cannot be instantiated + new Any + ^ +t5666.scala:3: error: class AnyVal is abstract; cannot be instantiated + new AnyVal + ^ +t5666.scala:4: error: class Double is abstract; cannot be instantiated + new Double + ^ +t5666.scala:5: error: class Float is abstract; cannot be instantiated + new Float + ^ +t5666.scala:6: error: class Long is abstract; cannot be instantiated + new Long + ^ +t5666.scala:7: error: class Int is abstract; cannot be instantiated + new Int + ^ +t5666.scala:8: error: class Char is abstract; cannot be instantiated + new Char + ^ +t5666.scala:9: error: class Short is abstract; cannot be instantiated + new Short + ^ +t5666.scala:10: error: class Byte is abstract; cannot be instantiated + new Byte + ^ +t5666.scala:11: error: class Boolean is abstract; cannot be instantiated + new Boolean + ^ +t5666.scala:12: error: class Unit is abstract; cannot be instantiated + new Unit + ^ +t5666.scala:13: error: class Nothing is abstract; cannot be instantiated + new Nothing + ^ +12 errors found diff --git a/tests/untried/neg/t5666.scala b/tests/untried/neg/t5666.scala new file mode 100644 index 000000000..21ab9f45a --- /dev/null +++ b/tests/untried/neg/t5666.scala @@ -0,0 +1,14 @@ +object t5666 { + new Any + new AnyVal + new Double + new Float + new Long + new Int + new Char + new Short + new Byte + new Boolean + new Unit + new Nothing +} diff --git a/tests/untried/neg/t5675.check b/tests/untried/neg/t5675.check new file mode 100644 index 000000000..da608a2b7 --- /dev/null +++ b/tests/untried/neg/t5675.check @@ -0,0 +1,2 @@ +error: there were 1 feature warning(s); re-run with -feature for details +one error found diff --git a/tests/untried/neg/t5675.flags b/tests/untried/neg/t5675.flags new file mode 100644 index 000000000..e8fb65d50 --- /dev/null +++ b/tests/untried/neg/t5675.flags @@ -0,0 +1 @@ +-Xfatal-warnings
\ No newline at end of file diff --git a/tests/untried/neg/t5675.scala b/tests/untried/neg/t5675.scala new file mode 100644 index 000000000..12f2973c7 --- /dev/null +++ b/tests/untried/neg/t5675.scala @@ -0,0 +1,7 @@ +class PostFix { + val list = List(1, 2, 3) + def main(args: Array[String]): Unit = { + val a = list filter (2 !=) + val b = list filter (2 != _) + } +} diff --git a/tests/untried/neg/t5683.check b/tests/untried/neg/t5683.check new file mode 100644 index 000000000..7c0e50113 --- /dev/null +++ b/tests/untried/neg/t5683.check @@ -0,0 +1,16 @@ +t5683.scala:12: error: inferred kinds of the type arguments (Object,Int) do not conform to the expected kinds of the type parameters (type M,type B). +Object's type parameters do not match type M's expected parameters: +class Object has no type parameters, but type M has one + val crash: K[StringW,Int,Int] = k{ (y: Int) => null: W[String, Int] } + ^ +t5683.scala:12: error: type mismatch; + found : Int => Test.W[String,Int] + required: Int => M[B] + val crash: K[StringW,Int,Int] = k{ (y: Int) => null: W[String, Int] } + ^ +t5683.scala:12: error: type mismatch; + found : Test.K[M,Int,B] + required: Test.K[Test.StringW,Int,Int] + val crash: K[StringW,Int,Int] = k{ (y: Int) => null: W[String, Int] } + ^ +three errors found diff --git a/tests/untried/neg/t5683.scala b/tests/untried/neg/t5683.scala new file mode 100644 index 000000000..05ab03579 --- /dev/null +++ b/tests/untried/neg/t5683.scala @@ -0,0 +1,23 @@ +object Test { + trait NT[X] + trait W[W, A] extends NT[Int] + type StringW[T] = W[String, T] + trait K[M[_], A, B] + + def k[M[_], B](f: Int => M[B]): K[M, Int, B] = null + + val okay1: K[StringW,Int,Int] = k{ (y: Int) => null: StringW[Int] } + val okay2 = k[StringW,Int]{ (y: Int) => null: W[String, Int] } + + val crash: K[StringW,Int,Int] = k{ (y: Int) => null: W[String, Int] } + + // remove `extends NT[Int]`, and the last line gives an inference error + // rather than a crash. + // test/files/pos/t5683.scala:12: error: no type parameters for method k: (f: Int => M[B])Test.K[M,Int,B] exist so that it can be applied to arguments (Int => Test.W[String,Int]) + // --- because --- + // argument expression's type is not compatible with formal parameter type; + // found : Int => Test.W[String,Int] + // required: Int => ?M[?B] + // val crash: K[StringW,Int,Int] = k{ (y: Int) => null: W[String, Int] } + // ^ +} diff --git a/tests/untried/neg/t5687.check b/tests/untried/neg/t5687.check new file mode 100644 index 000000000..5096077ee --- /dev/null +++ b/tests/untried/neg/t5687.check @@ -0,0 +1,8 @@ +t5687.scala:4: error: type arguments [T] do not conform to class Template's type parameter bounds [T <: AnyRef] + type Repr[T]<:Template[T] + ^ +t5687.scala:20: error: overriding type Repr in class Template with bounds[T] <: Template[T]; + type Repr has incompatible type + type Repr = CurveTemplate[T] + ^ +two errors found diff --git a/tests/untried/neg/t5687.scala b/tests/untried/neg/t5687.scala new file mode 100644 index 000000000..6ffecf972 --- /dev/null +++ b/tests/untried/neg/t5687.scala @@ -0,0 +1,55 @@ +abstract class Template[T <: AnyRef](private val t: T) { + +// type Repr[A<:AnyRef]<:Template[T] + type Repr[T]<:Template[T] + + def access1(timeout: Int): Repr[T] = this.asInstanceOf[Repr[T]] + def access2: Repr[T] = this.asInstanceOf[Repr[T]] + val access3: Repr[T] = this.asInstanceOf[Repr[T]] + def access4(v: Repr[T]): Repr[T] = this.asInstanceOf[Repr[T]] + def access5(x: X): Repr[T] = this.asInstanceOf[Repr[T]] + def access5(x: Y): Repr[T] = this.asInstanceOf[Repr[T]] + + def withReadModifiers(readModifiers:Int): Repr[T] = this.asInstanceOf[Repr[T]] +} + +class Curve + +class CurveTemplate [T <: Curve](t: T) extends Template(t) { +// type Repr[A<: AnyRef] = CurveTemplate[T] + type Repr = CurveTemplate[T] +} + +class Base +class X extends Base +class Y extends Base + + +object Example { + def test1(): Unit = { + new CurveTemplate(new Curve).access1(10) + + new CurveTemplate(new Curve).access2 + + new CurveTemplate(new Curve).access3 + + new CurveTemplate(new Curve).access4(null) + + new CurveTemplate(new Curve).access5(new X) + + () + + } + + def test2(): Unit = { + new CurveTemplate(new Curve).access1(10).withReadModifiers(1) + + new CurveTemplate(new Curve).access2.withReadModifiers(1) + + new CurveTemplate(new Curve).access3.withReadModifiers(1) + + new CurveTemplate(new Curve).access4(null).withReadModifiers(1) + + new CurveTemplate(new Curve).access5(new X).withReadModifiers(1) + } +} diff --git a/tests/untried/neg/t5689.check b/tests/untried/neg/t5689.check new file mode 100644 index 000000000..7d4f7fb63 --- /dev/null +++ b/tests/untried/neg/t5689.check @@ -0,0 +1,8 @@ +t5689.scala:4: error: macro implementation has incompatible shape: + required: (c: scala.reflect.macros.blackbox.Context)(i: c.Expr[Double]): c.Expr[String] + or : (c: scala.reflect.macros.blackbox.Context)(i: c.Tree): c.Tree + found : (c: scala.reflect.macros.blackbox.Context)(i: c.Expr[Double]): c.Expr[Int] +type mismatch for return type: c.Expr[Int] does not conform to c.Expr[String] + def returnsString(i: Double): String = macro returnsIntImpl + ^ +one error found diff --git a/tests/untried/neg/t5689.flags b/tests/untried/neg/t5689.flags new file mode 100644 index 000000000..cd66464f2 --- /dev/null +++ b/tests/untried/neg/t5689.flags @@ -0,0 +1 @@ +-language:experimental.macros
\ No newline at end of file diff --git a/tests/untried/neg/t5689.scala b/tests/untried/neg/t5689.scala new file mode 100644 index 000000000..d757a5541 --- /dev/null +++ b/tests/untried/neg/t5689.scala @@ -0,0 +1,6 @@ +import scala.reflect.macros.blackbox.Context + +object Macros { + def returnsString(i: Double): String = macro returnsIntImpl + def returnsIntImpl(c: Context)(i: c.Expr[Double]): c.Expr[Int] = ??? +} diff --git a/tests/untried/neg/t5696.check b/tests/untried/neg/t5696.check new file mode 100644 index 000000000..e0fb61b83 --- /dev/null +++ b/tests/untried/neg/t5696.check @@ -0,0 +1,19 @@ +t5696.scala:6: error: too many argument lists for constructor invocation + new G(1)(2) {} + ^ +t5696.scala:14: error: too many argument lists for constructor invocation + new G()(2) {} + ^ +t5696.scala:22: error: too many argument lists for constructor invocation + new G[Int]()(2) {} + ^ +t5696.scala:30: error: too many argument lists for constructor invocation + new G[Int]()(2)(3) {} + ^ +t5696.scala:38: error: too many argument lists for constructor invocation + new G[Int]()()(2) {} + ^ +t5696.scala:46: error: too many argument lists for constructor invocation + object x extends G(1)(2) {} + ^ +6 errors found diff --git a/tests/untried/neg/t5696.scala b/tests/untried/neg/t5696.scala new file mode 100644 index 000000000..051e3a07f --- /dev/null +++ b/tests/untried/neg/t5696.scala @@ -0,0 +1,47 @@ +class TestApply1 { + class G(y: Int) { + def apply(x: Int) = 1 + } + + new G(1)(2) {} +} + +class TestApply2 { + class G { + def apply(x: Int) = 1 + } + + new G()(2) {} +} + +class TestApply3 { + class G[X] { + def apply(x: Int) = 1 + } + + new G[Int]()(2) {} +} + +class TestApply4 { + class G[X] { + def apply(x: Int)(y: Int) = 1 + } + + new G[Int]()(2)(3) {} +} + +class TestApply5 { + class G[X]()() { + def apply(x: Int) = 1 + } + + new G[Int]()()(2) {} +} + +class TestApply6 { + class G(y: Int) { + def apply(x: Int) = 1 + } + + object x extends G(1)(2) {} +} diff --git a/tests/untried/neg/t5702-neg-bad-and-wild.check b/tests/untried/neg/t5702-neg-bad-and-wild.check new file mode 100644 index 000000000..a52136dbf --- /dev/null +++ b/tests/untried/neg/t5702-neg-bad-and-wild.check @@ -0,0 +1,28 @@ +t5702-neg-bad-and-wild.scala:10: error: bad simple pattern: bad use of _* (a sequence pattern must be the last pattern) + case List(1, _*,) => // bad use of _* (a sequence pattern must be the last pattern) + ^ +t5702-neg-bad-and-wild.scala:10: error: illegal start of simple pattern + case List(1, _*,) => // bad use of _* (a sequence pattern must be the last pattern) + ^ +t5702-neg-bad-and-wild.scala:12: error: illegal start of simple pattern + case List(1, _*3,) => // illegal start of simple pattern + ^ +t5702-neg-bad-and-wild.scala:14: error: bad simple pattern: use _* to match a sequence + case List(1, x*) => // use _* to match a sequence + ^ +t5702-neg-bad-and-wild.scala:15: error: bad simple pattern: trailing * is not a valid pattern + case List(x*, 1) => // trailing * is not a valid pattern + ^ +t5702-neg-bad-and-wild.scala:16: error: bad simple pattern: trailing * is not a valid pattern + case (1, x*) => // trailing * is not a valid pattern + ^ +t5702-neg-bad-and-wild.scala:17: error: bad simple pattern: bad use of _* (sequence pattern not allowed) + case (1, x@_*) => // bad use of _* (sequence pattern not allowed) + ^ +t5702-neg-bad-and-wild.scala:23: error: bad simple pattern: bad use of _* (a sequence pattern must be the last pattern) + val K(ns @ _*, x) = k // bad use of _* (a sequence pattern must be the last pattern) + ^ +t5702-neg-bad-and-wild.scala:24: error: bad simple pattern: bad use of _* (sequence pattern not allowed) + val (b, _ * ) = (5,6) // bad use of _* (sequence pattern not allowed) + ^ +9 errors found diff --git a/tests/untried/neg/t5702-neg-bad-and-wild.scala b/tests/untried/neg/t5702-neg-bad-and-wild.scala new file mode 100644 index 000000000..aadda37da --- /dev/null +++ b/tests/untried/neg/t5702-neg-bad-and-wild.scala @@ -0,0 +1,29 @@ + +object Test { + case class K(i: Int) + + def main(args: Array[String]) { + val k = new K(9) + val is = List(1,2,3) + + is match { + case List(1, _*,) => // bad use of _* (a sequence pattern must be the last pattern) + // illegal start of simple pattern + case List(1, _*3,) => // illegal start of simple pattern + //case List(1, _*3:) => // poor recovery by parens + case List(1, x*) => // use _* to match a sequence + case List(x*, 1) => // trailing * is not a valid pattern + case (1, x*) => // trailing * is not a valid pattern + case (1, x@_*) => // bad use of _* (sequence pattern not allowed) + } + +// good syntax, bad semantics, detected by typer +//gowild.scala:14: error: star patterns must correspond with varargs parameters + val K(is @ _*) = k + val K(ns @ _*, x) = k // bad use of _* (a sequence pattern must be the last pattern) + val (b, _ * ) = (5,6) // bad use of _* (sequence pattern not allowed) +// no longer complains +//bad-and-wild.scala:15: error: ')' expected but '}' found. + } +} + diff --git a/tests/untried/neg/t5702-neg-bad-brace.check b/tests/untried/neg/t5702-neg-bad-brace.check new file mode 100644 index 000000000..503f7d95e --- /dev/null +++ b/tests/untried/neg/t5702-neg-bad-brace.check @@ -0,0 +1,10 @@ +t5702-neg-bad-brace.scala:14: error: Unmatched closing brace '}' ignored here + case List(1, _*} => + ^ +t5702-neg-bad-brace.scala:14: error: illegal start of simple pattern + case List(1, _*} => + ^ +t5702-neg-bad-brace.scala:15: error: ')' expected but '}' found. + } + ^ +three errors found diff --git a/tests/untried/neg/t5702-neg-bad-brace.scala b/tests/untried/neg/t5702-neg-bad-brace.scala new file mode 100644 index 000000000..16a341cf8 --- /dev/null +++ b/tests/untried/neg/t5702-neg-bad-brace.scala @@ -0,0 +1,17 @@ + +object Test { + + def main(args: Array[String]) { + val is = List(1,2,3) + + is match { +// the erroneous brace is ignored, so we can't halt on it. +// maybe brace healing can detect overlapping unmatched (...} +// In this case, the fix emits an extra error: +// t5702-neg-bad-brace.scala:10: error: Unmatched closing brace '}' ignored here +// t5702-neg-bad-brace.scala:10: error: illegal start of simple pattern (i.e., =>) +// t5702-neg-bad-brace.scala:11: error: ')' expected but '}' found. + case List(1, _*} => + } + } +} diff --git a/tests/untried/neg/t5702-neg-bad-xbrace.check b/tests/untried/neg/t5702-neg-bad-xbrace.check new file mode 100644 index 000000000..9240abea4 --- /dev/null +++ b/tests/untried/neg/t5702-neg-bad-xbrace.check @@ -0,0 +1,7 @@ +t5702-neg-bad-xbrace.scala:19: error: bad simple pattern: bad brace or paren after _* + case <year>{_*)}</year> => y + ^ +t5702-neg-bad-xbrace.scala:28: error: bad simple pattern: bad brace or paren after _* + val <top>{a, z@_*)}</top> = xml + ^ +two errors found diff --git a/tests/untried/neg/t5702-neg-bad-xbrace.scala b/tests/untried/neg/t5702-neg-bad-xbrace.scala new file mode 100644 index 000000000..64bbdb18b --- /dev/null +++ b/tests/untried/neg/t5702-neg-bad-xbrace.scala @@ -0,0 +1,31 @@ + +object Test { + def main(args: Array[String]) { + /* PiS example, minus a brace + val yearMade = 1965 + val old = + <a>{ if (yearMade < 2000) <old>yearMade}</old> + else xml.NodeSeq.Empty } </a> + println(old) + */ + + // bad brace or paren after _* + // actually, we know it's a bad paren... + // we skip it because not in a context looking for rparen + val xyear = <year>1965</year> + val ancient = + <b>{ + val when = xyear match { + case <year>{_*)}</year> => y + case _ => "2035" + } + <old>{when}</old> + }</b> + println(ancient) + + val xml = <top><a>apple</a><b>boy</b><c>child</c></top> + // bad brace or paren after _* + val <top>{a, z@_*)}</top> = xml + println("A for "+ a +", ending with "+ z) + } +} diff --git a/tests/untried/neg/t5702-neg-ugly-xbrace.check b/tests/untried/neg/t5702-neg-ugly-xbrace.check new file mode 100644 index 000000000..cdd2438b0 --- /dev/null +++ b/tests/untried/neg/t5702-neg-ugly-xbrace.check @@ -0,0 +1,19 @@ +t5702-neg-ugly-xbrace.scala:11: error: bad simple pattern: bad brace or paren after _* + val <top>{a, z@_*)</top> = xml + ^ +t5702-neg-ugly-xbrace.scala:12: error: Missing closing brace `}' assumed here + println("A for "+ a +", ending with "+ z) + ^ +t5702-neg-ugly-xbrace.scala:13: error: in XML literal: in XML content, please use '}}' to express '}' + } + ^ +t5702-neg-ugly-xbrace.scala:11: error: I encountered a '}' where I didn't expect one, maybe this tag isn't closed <top> + val <top>{a, z@_*)</top> = xml + ^ +t5702-neg-ugly-xbrace.scala:14: error: illegal start of simple pattern +} +^ +t5702-neg-ugly-xbrace.scala:14: error: '}' expected but eof found. +} + ^ +6 errors found diff --git a/tests/untried/neg/t5702-neg-ugly-xbrace.scala b/tests/untried/neg/t5702-neg-ugly-xbrace.scala new file mode 100644 index 000000000..0ff7bfa09 --- /dev/null +++ b/tests/untried/neg/t5702-neg-ugly-xbrace.scala @@ -0,0 +1,14 @@ + +object Test { + def main(args: Array[String]) { + + val xml = <top><a>apple</a><b>boy</b><c>child</c></top> + // This is the more likely typo, and the uglier parse. + // We could turn it into a } if } does not follow (to + // avoid handing }} back to xml) but that is quite ad hoc. + // Assuming } for ) after _* would not be not outlandish. + // bad brace or paren after _* + val <top>{a, z@_*)</top> = xml + println("A for "+ a +", ending with "+ z) + } +} diff --git a/tests/untried/neg/t5728.check b/tests/untried/neg/t5728.check new file mode 100644 index 000000000..14f9c42ae --- /dev/null +++ b/tests/untried/neg/t5728.check @@ -0,0 +1,4 @@ +t5728.scala:3: error: implicit classes must accept exactly one primary constructor parameter + implicit class Foo + ^ +one error found diff --git a/tests/untried/neg/t5728.scala b/tests/untried/neg/t5728.scala new file mode 100644 index 000000000..99337d06d --- /dev/null +++ b/tests/untried/neg/t5728.scala @@ -0,0 +1,7 @@ +object Test { + + implicit class Foo + + implicit def Foo = new Foo + +} diff --git a/tests/untried/neg/t5735.check b/tests/untried/neg/t5735.check new file mode 100644 index 000000000..f6e002804 --- /dev/null +++ b/tests/untried/neg/t5735.check @@ -0,0 +1,6 @@ +t5735.scala:6: error: type mismatch; + found : (x: Int)Int <and> => String + required: Int + val z: Int = a + ^ +one error found diff --git a/tests/untried/neg/t5735.scala b/tests/untried/neg/t5735.scala new file mode 100644 index 000000000..fde71ff96 --- /dev/null +++ b/tests/untried/neg/t5735.scala @@ -0,0 +1,7 @@ +abstract class Base { + def a: String = "one" +} +class Clazz extends Base { + def a(x: Int): Int = 2 + val z: Int = a +} diff --git a/tests/untried/neg/t5753.check b/tests/untried/neg/t5753.check new file mode 100644 index 000000000..379416c17 --- /dev/null +++ b/tests/untried/neg/t5753.check @@ -0,0 +1,5 @@ +Test_2.scala:9: error: macro implementation not found: foo +(the most common reason for that is that you cannot use macro implementations in the same compilation run that defines them) + println(foo(42)) + ^ +one error found diff --git a/tests/untried/neg/t5753.flags b/tests/untried/neg/t5753.flags new file mode 100644 index 000000000..cd66464f2 --- /dev/null +++ b/tests/untried/neg/t5753.flags @@ -0,0 +1 @@ +-language:experimental.macros
\ No newline at end of file diff --git a/tests/untried/neg/t5753/Impls_Macros_1.scala b/tests/untried/neg/t5753/Impls_Macros_1.scala new file mode 100644 index 000000000..9872c6917 --- /dev/null +++ b/tests/untried/neg/t5753/Impls_Macros_1.scala @@ -0,0 +1,6 @@ +import scala.reflect.macros.blackbox.Context + +trait Impls { + def impl(c: Context)(x: c.Expr[Any]) = x +} + diff --git a/tests/untried/neg/t5753/Test_2.scala b/tests/untried/neg/t5753/Test_2.scala new file mode 100644 index 000000000..d52ed65c6 --- /dev/null +++ b/tests/untried/neg/t5753/Test_2.scala @@ -0,0 +1,11 @@ +import scala.reflect.macros.blackbox.Context + +object Macros extends Impls { + def foo(x: Any): Any = macro impl +} + +object Test extends App { + import Macros._ + println(foo(42)) +} + diff --git a/tests/untried/neg/t576.check b/tests/untried/neg/t576.check new file mode 100644 index 000000000..7105c9286 --- /dev/null +++ b/tests/untried/neg/t576.check @@ -0,0 +1,4 @@ +t576.scala:14: error: overloaded method insert needs result type + if (true) sibling.insert(node); + ^ +one error found diff --git a/tests/untried/neg/t576.scala b/tests/untried/neg/t576.scala new file mode 100644 index 000000000..fd83217a4 --- /dev/null +++ b/tests/untried/neg/t576.scala @@ -0,0 +1,20 @@ +package lampion.collections; + +abstract class BaseListXXX { + type Node <: BaseNode; + abstract class BaseNode { + } +} +trait PriorityTreeXXX extends BaseListXXX { + type Node <: BasicTreeNode; + + trait BasicTreeNode extends BaseNode { + def sibling: Node; + def insert(dir : Int, node : Node) = { + if (true) sibling.insert(node); + //else insert(node); + + } + def insert(node : Node) : Unit = {} + } +} diff --git a/tests/untried/neg/t5761.check b/tests/untried/neg/t5761.check new file mode 100644 index 000000000..2d66af26f --- /dev/null +++ b/tests/untried/neg/t5761.check @@ -0,0 +1,19 @@ +t5761.scala:4: error: not enough arguments for constructor D: (x: Int)D[Int]. +Unspecified value parameter x. + println(new D[Int]{}) // crash + ^ +t5761.scala:8: error: not enough arguments for constructor D: (x: Int)D[Int]. +Unspecified value parameter x. + println(new D[Int]()) // no crash + ^ +t5761.scala:9: error: not enough arguments for constructor D: (x: Int)D[Int]. +Unspecified value parameter x. + println(new D[Int]{}) // crash + ^ +t5761.scala:13: error: not found: type Tread + new Tread("sth") { }.run() + ^ +t5761.scala:13: error: value run is not a member of AnyRef + new Tread("sth") { }.run() + ^ +5 errors found diff --git a/tests/untried/neg/t5761.scala b/tests/untried/neg/t5761.scala new file mode 100644 index 000000000..040c4eb75 --- /dev/null +++ b/tests/untried/neg/t5761.scala @@ -0,0 +1,16 @@ +class D[-A](x: A) { } + +object Test1 { + println(new D[Int]{}) // crash +} + +object Test2 { + println(new D[Int]()) // no crash + println(new D[Int]{}) // crash +} + +object Test3 { + new Tread("sth") { }.run() +} + + diff --git a/tests/untried/neg/t5762.check b/tests/untried/neg/t5762.check new file mode 100644 index 000000000..2a2f12144 --- /dev/null +++ b/tests/untried/neg/t5762.check @@ -0,0 +1,15 @@ +t5762.scala:6: warning: non-variable type argument Int in type pattern D[Int] is unchecked since it is eliminated by erasure + case _: D[Int] if bippy => 1 + ^ +t5762.scala:7: warning: non-variable type argument String in type pattern D[String] is unchecked since it is eliminated by erasure + case _: D[String] => 2 + ^ +t5762.scala:20: warning: non-variable type argument D[Int] in type pattern D[D[Int]] is unchecked since it is eliminated by erasure + case _: D[D[Int]] if bippy => 1 + ^ +t5762.scala:21: warning: non-variable type argument D[String] in type pattern D[D[String]] is unchecked since it is eliminated by erasure + case _: D[D[String]] => 2 + ^ +error: No warnings can be incurred under -Xfatal-warnings. +four warnings found +one error found diff --git a/tests/untried/neg/t5762.flags b/tests/untried/neg/t5762.flags new file mode 100644 index 000000000..85d8eb2ba --- /dev/null +++ b/tests/untried/neg/t5762.flags @@ -0,0 +1 @@ +-Xfatal-warnings diff --git a/tests/untried/neg/t5762.scala b/tests/untried/neg/t5762.scala new file mode 100644 index 000000000..fb73552b1 --- /dev/null +++ b/tests/untried/neg/t5762.scala @@ -0,0 +1,24 @@ +class D[-A] + +object Test { + var bippy: Boolean = true + def f1(x: D[Int with String]) = x match { + case _: D[Int] if bippy => 1 + case _: D[String] => 2 + } + // Correctly warns: + // + // a.scala:5: warning: non variable type-argument Int in type pattern D[Int] is unchecked since it is eliminated by erasure + // case _: D[Int] => 1 + // ^ + // a.scala:6: warning: non variable type-argument String in type pattern D[String] is unchecked since it is eliminated by erasure + // case _: D[String] => 2 + // ^ + // two warnings found + + def f2(x: D[D[Int] with D[String]]) = x match { + case _: D[D[Int]] if bippy => 1 + case _: D[D[String]] => 2 + } + // No warnings! +} diff --git a/tests/untried/neg/t5799.check b/tests/untried/neg/t5799.check new file mode 100644 index 000000000..3b43d06a9 --- /dev/null +++ b/tests/untried/neg/t5799.check @@ -0,0 +1,4 @@ +t5799.scala:2: error: secondary constructor is not allowed in value class + def this(s: String) = this(s.toDouble) + ^ +one error found diff --git a/tests/untried/neg/t5799.scala b/tests/untried/neg/t5799.scala new file mode 100644 index 000000000..9bd6ab7dd --- /dev/null +++ b/tests/untried/neg/t5799.scala @@ -0,0 +1,8 @@ +class Foo(val bar: Double) extends AnyVal { + def this(s: String) = this(s.toDouble) +} +object Test { + def main(args: Array[String]): Unit = + new Foo("") + } + diff --git a/tests/untried/neg/t5801.check b/tests/untried/neg/t5801.check new file mode 100644 index 000000000..abf8e6e93 --- /dev/null +++ b/tests/untried/neg/t5801.check @@ -0,0 +1,22 @@ +t5801.scala:1: error: object sth is not a member of package scala +import scala.sth + ^ +t5801.scala:4: error: not found: value sth + def foo(a: Int)(implicit b: sth.Sth): Unit = {} + ^ +t5801.scala:7: error: not found: value sth + def bar(x: Int)(implicit y: Int): sth.Sth = null + ^ +t5801.scala:8: error: could not find implicit value for parameter y: Int + bar(1) + ^ +t5801.scala:10: error: not found: value sth + def meh(x: Int)(implicit a: sth.Sth, b: Int): Unit = {} + ^ +t5801.scala:13: error: not found: value sth + def meh2(x: Int)(implicit b: Int, a: sth.Sth): Unit = {} + ^ +t5801.scala:14: error: could not find implicit value for parameter b: Int + meh2(1) + ^ +7 errors found diff --git a/tests/untried/neg/t5801.scala b/tests/untried/neg/t5801.scala new file mode 100644 index 000000000..d452222ac --- /dev/null +++ b/tests/untried/neg/t5801.scala @@ -0,0 +1,16 @@ +import scala.sth + +object Test extends App { + def foo(a: Int)(implicit b: sth.Sth): Unit = {} + foo(1) + + def bar(x: Int)(implicit y: Int): sth.Sth = null + bar(1) + + def meh(x: Int)(implicit a: sth.Sth, b: Int): Unit = {} + meh(1) + + def meh2(x: Int)(implicit b: Int, a: sth.Sth): Unit = {} + meh2(1) +} + diff --git a/tests/untried/neg/t5803.check b/tests/untried/neg/t5803.check new file mode 100644 index 000000000..6a2de2e1d --- /dev/null +++ b/tests/untried/neg/t5803.check @@ -0,0 +1,4 @@ +t5803.scala:3: error: could not find implicit value for parameter ev: Nothing + new Foo(): String + ^ +one error found diff --git a/tests/untried/neg/t5803.scala b/tests/untried/neg/t5803.scala new file mode 100644 index 000000000..f818272f8 --- /dev/null +++ b/tests/untried/neg/t5803.scala @@ -0,0 +1,4 @@ +object Test { + class Foo()(implicit ev: Nothing) + new Foo(): String +} diff --git a/tests/untried/neg/t5821.check b/tests/untried/neg/t5821.check new file mode 100644 index 000000000..f9c00604b --- /dev/null +++ b/tests/untried/neg/t5821.check @@ -0,0 +1,4 @@ +t5821.scala:1: error: not found: object SthImportant +import SthImportant._ + ^ +one error found diff --git a/tests/untried/neg/t5821.scala b/tests/untried/neg/t5821.scala new file mode 100644 index 000000000..4af0a2bf7 --- /dev/null +++ b/tests/untried/neg/t5821.scala @@ -0,0 +1,8 @@ +import SthImportant._ + +class Bar + +class Foo2 { + type Sth = Array[Bar] + def foo(xs: Sth): Bar = if ((xs eq null) || (xs.length == 0)) null else xs(0) +} diff --git a/tests/untried/neg/t5830.check b/tests/untried/neg/t5830.check new file mode 100644 index 000000000..58c3a1be3 --- /dev/null +++ b/tests/untried/neg/t5830.check @@ -0,0 +1,9 @@ +t5830.scala:6: warning: unreachable code + case 'a' => println("b") // unreachable + ^ +t5830.scala:4: warning: could not emit switch for @switch annotated match + def unreachable(ch: Char) = (ch: @switch) match { + ^ +error: No warnings can be incurred under -Xfatal-warnings. +two warnings found +one error found diff --git a/tests/untried/neg/t5830.flags b/tests/untried/neg/t5830.flags new file mode 100644 index 000000000..e8fb65d50 --- /dev/null +++ b/tests/untried/neg/t5830.flags @@ -0,0 +1 @@ +-Xfatal-warnings
\ No newline at end of file diff --git a/tests/untried/neg/t5830.scala b/tests/untried/neg/t5830.scala new file mode 100644 index 000000000..18e89c20f --- /dev/null +++ b/tests/untried/neg/t5830.scala @@ -0,0 +1,9 @@ +import scala.annotation.switch + +class Test { + def unreachable(ch: Char) = (ch: @switch) match { + case 'a' => println("b") // ok + case 'a' => println("b") // unreachable + case 'c' => + } +} diff --git a/tests/untried/neg/t5839.check b/tests/untried/neg/t5839.check new file mode 100644 index 000000000..d4b125bd1 --- /dev/null +++ b/tests/untried/neg/t5839.check @@ -0,0 +1,6 @@ +t5839.scala:5: error: type mismatch; + found : (x: String => String)Int <and> (x: Int)Int + required: Int => String + val x: String = goo(foo _) + ^ +one error found diff --git a/tests/untried/neg/t5839.scala b/tests/untried/neg/t5839.scala new file mode 100644 index 000000000..d3a5d4b25 --- /dev/null +++ b/tests/untried/neg/t5839.scala @@ -0,0 +1,7 @@ +object Test { + def goo[T](x: Int => T): T = x(1) + implicit def f(x: Int): String = "" + def foo(x: Int): Int = x + 1 + val x: String = goo(foo _) + def foo(x: String => String) = 1 +} diff --git a/tests/untried/neg/t585.check b/tests/untried/neg/t585.check new file mode 100644 index 000000000..d332ac541 --- /dev/null +++ b/tests/untried/neg/t585.check @@ -0,0 +1,4 @@ +t585.scala:1: error: unclosed comment +/* +^ +one error found diff --git a/tests/untried/neg/t585.scala b/tests/untried/neg/t585.scala new file mode 100644 index 000000000..0875e2cb0 --- /dev/null +++ b/tests/untried/neg/t585.scala @@ -0,0 +1,4 @@ +/* +/* * / +/* * / +*/ diff --git a/tests/untried/neg/t5856.check b/tests/untried/neg/t5856.check new file mode 100644 index 000000000..08a61bdc0 --- /dev/null +++ b/tests/untried/neg/t5856.check @@ -0,0 +1,31 @@ +t5856.scala:10: error: invalid string interpolation: `$$', `$'ident or `$'BlockExpr expected + val s9 = s"$" + ^ +t5856.scala:10: error: unclosed string literal + val s9 = s"$" + ^ +t5856.scala:2: error: error in interpolated string: identifier or block expected + val s1 = s"$null" + ^ +t5856.scala:3: error: error in interpolated string: identifier or block expected + val s2 = s"$false" + ^ +t5856.scala:4: error: error in interpolated string: identifier or block expected + val s3 = s"$true" + ^ +t5856.scala:5: error: error in interpolated string: identifier or block expected + val s4 = s"$yield" + ^ +t5856.scala:6: error: error in interpolated string: identifier or block expected + val s5 = s"$return" + ^ +t5856.scala:7: error: error in interpolated string: identifier or block expected + val s6 = s"$new" + ^ +t5856.scala:8: error: error in interpolated string: identifier or block expected + val s7 = s"$s1 $null $super" + ^ +t5856.scala:9: error: error in interpolated string: identifier or block expected + val s8 = s"$super" + ^ +10 errors found diff --git a/tests/untried/neg/t5856.scala b/tests/untried/neg/t5856.scala new file mode 100644 index 000000000..2ceee590a --- /dev/null +++ b/tests/untried/neg/t5856.scala @@ -0,0 +1,11 @@ +object Test { + val s1 = s"$null" + val s2 = s"$false" + val s3 = s"$true" + val s4 = s"$yield" + val s5 = s"$return" + val s6 = s"$new" + val s7 = s"$s1 $null $super" + val s8 = s"$super" + val s9 = s"$" +}
\ No newline at end of file diff --git a/tests/untried/neg/t5878.check b/tests/untried/neg/t5878.check new file mode 100644 index 000000000..c60c4653a --- /dev/null +++ b/tests/untried/neg/t5878.check @@ -0,0 +1,13 @@ +t5878.scala:1: error: value class may not wrap another user-defined value class +case class Foo(x: Bar) extends AnyVal + ^ +t5878.scala:2: error: value class may not wrap another user-defined value class +case class Bar(x: Foo) extends AnyVal + ^ +t5878.scala:4: error: value class may not wrap another user-defined value class +class Foo1(val x: Bar1) extends AnyVal + ^ +t5878.scala:5: error: value class may not wrap another user-defined value class +class Bar1(val x: Foo1) extends AnyVal + ^ +four errors found diff --git a/tests/untried/neg/t5878.scala b/tests/untried/neg/t5878.scala new file mode 100644 index 000000000..b4e33627e --- /dev/null +++ b/tests/untried/neg/t5878.scala @@ -0,0 +1,6 @@ +case class Foo(x: Bar) extends AnyVal +case class Bar(x: Foo) extends AnyVal + +class Foo1(val x: Bar1) extends AnyVal +class Bar1(val x: Foo1) extends AnyVal + diff --git a/tests/untried/neg/t588.check b/tests/untried/neg/t588.check new file mode 100644 index 000000000..ff08f77a6 --- /dev/null +++ b/tests/untried/neg/t588.check @@ -0,0 +1,13 @@ +t588.scala:3: error: double definition: +def visit(f: Int => Unit): Boolean at line 2 and +def visit(f: Int => String): Boolean at line 3 +have same type after erasure: (f: Function1)Boolean + def visit(f: Int => String): Boolean + ^ +t588.scala:10: error: double definition: +def f(node: Test.this.TypeA): Unit at line 9 and +def f(brac: Test.this.TypeB): Unit at line 10 +have same type after erasure: (node: Test#TraitA)Unit + def f(brac : TypeB) : Unit; + ^ +two errors found diff --git a/tests/untried/neg/t588.scala b/tests/untried/neg/t588.scala new file mode 100644 index 000000000..f30937377 --- /dev/null +++ b/tests/untried/neg/t588.scala @@ -0,0 +1,15 @@ +abstract class Test0 { + def visit(f: Int => Unit): Boolean + def visit(f: Int => String): Boolean +} +trait Test { + type TypeA <: TraitA; + type TypeB <: TypeA with TraitB; + + def f(node : TypeA) : Unit; + def f(brac : TypeB) : Unit; + + trait TraitA; + trait TraitB; + +} diff --git a/tests/untried/neg/t5882.check b/tests/untried/neg/t5882.check new file mode 100644 index 000000000..e0958e19d --- /dev/null +++ b/tests/untried/neg/t5882.check @@ -0,0 +1,9 @@ +t5882.scala:4: error: implementation restriction: nested class is not allowed in value class +This restriction is planned to be removed in subsequent releases. + case class Scope() + ^ +t5882.scala:5: error: implementation restriction: nested object is not allowed in value class +This restriction is planned to be removed in subsequent releases. + object Bar + ^ +two errors found diff --git a/tests/untried/neg/t5882.scala b/tests/untried/neg/t5882.scala new file mode 100644 index 000000000..3a55abdc9 --- /dev/null +++ b/tests/untried/neg/t5882.scala @@ -0,0 +1,6 @@ +// SIP-15 was changed to allow nested classes. See run/t5882.scala + +class NodeOps(val n: Any) extends AnyVal { + case class Scope() + object Bar +} diff --git a/tests/untried/neg/t5892.check b/tests/untried/neg/t5892.check new file mode 100644 index 000000000..839bf9de2 --- /dev/null +++ b/tests/untried/neg/t5892.check @@ -0,0 +1,17 @@ +t5892.scala:5: error: type mismatch; + found : Boolean(false) + required: String +class C[@annot(false) X] { + ^ +t5892.scala:9: error: not found: value b2s +class D[@annot(b2s(false)) X] { + ^ +t5892.scala:13: error: type mismatch; + found : Boolean(false) + required: String +@annot(false) class E { + ^ +t5892.scala:17: error: not found: value b2s +@annot(b2s(false)) class F { + ^ +four errors found diff --git a/tests/untried/neg/t5892.scala b/tests/untried/neg/t5892.scala new file mode 100644 index 000000000..5e3b2f313 --- /dev/null +++ b/tests/untried/neg/t5892.scala @@ -0,0 +1,25 @@ +import language.implicitConversions + +class annot(a: String) extends annotation.StaticAnnotation + +class C[@annot(false) X] { + implicit def b2s(b: Boolean): String = "" +} + +class D[@annot(b2s(false)) X] { + implicit def b2s(b: Boolean): String = "" +} + +@annot(false) class E { + implicit def b2s(b: Boolean): String = "" +} + +@annot(b2s(false)) class F { + implicit def b2s(b: Boolean): String = "" +} + +object T { + implicit def b2s(b: Boolean): String = "" + @annot(false) val x = 0 + @annot(b2s(false)) val y = 0 +} diff --git a/tests/untried/neg/t5903a.check b/tests/untried/neg/t5903a.check new file mode 100644 index 000000000..34003b0a8 --- /dev/null +++ b/tests/untried/neg/t5903a.check @@ -0,0 +1,4 @@ +Test_2.scala:4: error: too many patterns for <$anon: AnyRef> offering (SomeTree.type, SomeTree.type): expected 2, found 3 + case nq"$x + $y + $z" => println((x, y)) + ^ +one error found diff --git a/tests/untried/neg/t5903a/Macros_1.scala b/tests/untried/neg/t5903a/Macros_1.scala new file mode 100644 index 000000000..5d084ceed --- /dev/null +++ b/tests/untried/neg/t5903a/Macros_1.scala @@ -0,0 +1,28 @@ +import scala.reflect.macros.whitebox.Context +import language.experimental.macros + +trait Tree +case object SomeTree extends Tree + +object NewQuasiquotes { + implicit class QuasiquoteInterpolation(c: StringContext) { + object nq { + def unapply(t: Tree): Any = macro QuasiquoteMacros.unapplyImpl + } + } +} + +object QuasiquoteMacros { + def unapplyImpl(c: Context)(t: c.Tree) = { + import c.universe._ + q""" + new { + def isEmpty = false + def get = this + def _1 = SomeTree + def _2 = SomeTree + def unapply(t: Tree) = this + }.unapply($t) + """ + } +} diff --git a/tests/untried/neg/t5903a/Test_2.scala b/tests/untried/neg/t5903a/Test_2.scala new file mode 100644 index 000000000..4d78dfb5e --- /dev/null +++ b/tests/untried/neg/t5903a/Test_2.scala @@ -0,0 +1,6 @@ +object Test extends App { + import NewQuasiquotes._ + SomeTree match { + case nq"$x + $y + $z" => println((x, y)) + } +} diff --git a/tests/untried/neg/t5903b.check b/tests/untried/neg/t5903b.check new file mode 100644 index 000000000..e7637d3ed --- /dev/null +++ b/tests/untried/neg/t5903b.check @@ -0,0 +1,6 @@ +Test_2.scala:4: error: type mismatch; + found : Int + required: String + case t"$x" => println(x) + ^ +one error found diff --git a/tests/untried/neg/t5903b/Macros_1.scala b/tests/untried/neg/t5903b/Macros_1.scala new file mode 100644 index 000000000..6ce49c022 --- /dev/null +++ b/tests/untried/neg/t5903b/Macros_1.scala @@ -0,0 +1,23 @@ +import scala.reflect.macros.blackbox.Context +import language.experimental.macros + +object Interpolation { + implicit class TestInterpolation(c: StringContext) { + object t { + def unapply[T](x: T): Any = macro Macros.unapplyImpl[T] + } + } +} + +object Macros { + def unapplyImpl[T: c.WeakTypeTag](c: Context)(x: c.Tree) = { + import c.universe._ + q""" + new { + def isEmpty = false + def get = "2" + def unapply(x: String) = this + }.unapply($x) + """ + } +} diff --git a/tests/untried/neg/t5903b/Test_2.scala b/tests/untried/neg/t5903b/Test_2.scala new file mode 100644 index 000000000..0f6f80d32 --- /dev/null +++ b/tests/untried/neg/t5903b/Test_2.scala @@ -0,0 +1,6 @@ +object Test extends App { + import Interpolation._ + 2 match { + case t"$x" => println(x) + } +} diff --git a/tests/untried/neg/t5903c.check b/tests/untried/neg/t5903c.check new file mode 100644 index 000000000..05bd775d3 --- /dev/null +++ b/tests/untried/neg/t5903c.check @@ -0,0 +1,4 @@ +Test_2.scala:4: error: String is not supported + case t"$x" => println(x) + ^ +one error found diff --git a/tests/untried/neg/t5903c/Macros_1.scala b/tests/untried/neg/t5903c/Macros_1.scala new file mode 100644 index 000000000..4792f0045 --- /dev/null +++ b/tests/untried/neg/t5903c/Macros_1.scala @@ -0,0 +1,26 @@ +import scala.reflect.macros.blackbox.Context +import language.experimental.macros + +object Interpolation { + implicit class TestInterpolation(c: StringContext) { + object t { + def unapply[T](x: T): Any = macro Macros.unapplyImpl[T] + } + } +} + +object Macros { + def unapplyImpl[T: c.WeakTypeTag](c: Context)(x: c.Tree) = { + import c.universe._ + if (!(c.weakTypeOf[Int] =:= c.weakTypeOf[T])) c.abort(c.enclosingPosition, s"${c.weakTypeOf[T]} is not supported") + else { + q""" + new { + def isEmpty = false + def get = 2 + def unapply(x: Int) = this + }.unapply($x) + """ + } + } +} diff --git a/tests/untried/neg/t5903c/Test_2.scala b/tests/untried/neg/t5903c/Test_2.scala new file mode 100644 index 000000000..a1fd31dd4 --- /dev/null +++ b/tests/untried/neg/t5903c/Test_2.scala @@ -0,0 +1,6 @@ +object Test extends App { + import Interpolation._ + "2" match { + case t"$x" => println(x) + } +} diff --git a/tests/untried/neg/t5903d.check b/tests/untried/neg/t5903d.check new file mode 100644 index 000000000..54a91a7ba --- /dev/null +++ b/tests/untried/neg/t5903d.check @@ -0,0 +1,4 @@ +Test_2.scala:4: error: extractor macros can only be whitebox + case t"$x" => println(x) + ^ +one error found diff --git a/tests/untried/neg/t5903d/Macros_1.scala b/tests/untried/neg/t5903d/Macros_1.scala new file mode 100644 index 000000000..3500c2a78 --- /dev/null +++ b/tests/untried/neg/t5903d/Macros_1.scala @@ -0,0 +1,23 @@ +import scala.reflect.macros.blackbox.Context +import language.experimental.macros + +object Interpolation { + implicit class TestInterpolation(c: StringContext) { + object t { + def unapply(x: Int): Any = macro Macros.unapplyImpl + } + } +} + +object Macros { + def unapplyImpl(c: Context)(x: c.Tree) = { + import c.universe._ + q""" + class Match(x: Int) { + def isEmpty = false + def get = x + } + new { def unapply(x: Int) = new Match(x) }.unapply($x) + """ + } +} diff --git a/tests/untried/neg/t5903d/Test_2.scala b/tests/untried/neg/t5903d/Test_2.scala new file mode 100644 index 000000000..95c717a9d --- /dev/null +++ b/tests/untried/neg/t5903d/Test_2.scala @@ -0,0 +1,6 @@ +object Test extends App { + import Interpolation._ + 42 match { + case t"$x" => println(x) + } +} diff --git a/tests/untried/neg/t5903e.check b/tests/untried/neg/t5903e.check new file mode 100644 index 000000000..3bdeb091a --- /dev/null +++ b/tests/untried/neg/t5903e.check @@ -0,0 +1,4 @@ +Test_2.scala:4: error: value class may not be a member of another class + case t"$x" => println(x) + ^ +one error found diff --git a/tests/untried/neg/t5903e/Macros_1.scala b/tests/untried/neg/t5903e/Macros_1.scala new file mode 100644 index 000000000..a64ff7e0b --- /dev/null +++ b/tests/untried/neg/t5903e/Macros_1.scala @@ -0,0 +1,25 @@ +import scala.reflect.macros.whitebox.Context +import language.experimental.macros + +object Interpolation { + implicit class TestInterpolation(c: StringContext) { + object t { + def unapply(x: Int): Any = macro Macros.unapplyImpl + } + } +} + +object Macros { + def unapplyImpl(c: Context)(x: c.Tree) = { + import c.universe._ + q""" + new { + class Match(x: Int) extends AnyVal { + def isEmpty = false + def get = x + } + def unapply(x: Int) = new Match(x) + }.unapply($x) + """ + } +} diff --git a/tests/untried/neg/t5903e/Test_2.scala b/tests/untried/neg/t5903e/Test_2.scala new file mode 100644 index 000000000..d69d47243 --- /dev/null +++ b/tests/untried/neg/t5903e/Test_2.scala @@ -0,0 +1,6 @@ +class C { + import Interpolation._ + 42 match { + case t"$x" => println(x) + } +} diff --git a/tests/untried/neg/t591.check b/tests/untried/neg/t591.check new file mode 100644 index 000000000..d33f6d7a2 --- /dev/null +++ b/tests/untried/neg/t591.check @@ -0,0 +1,5 @@ +t591.scala:38: error: method input_= is defined twice + conflicting symbols both originated in file 't591.scala' + def input_=(in : Input) = {} + ^ +one error found diff --git a/tests/untried/neg/t591.scala b/tests/untried/neg/t591.scala new file mode 100644 index 000000000..0f0b02395 --- /dev/null +++ b/tests/untried/neg/t591.scala @@ -0,0 +1,41 @@ +abstract class BaseList { + type Node <: BaseNode; + + + abstract class BaseNode { + protected def self : Node; + private[BaseList] def self00 = self; + def dirty : Unit = {} + def replaceWith(node : Node) = {} + } + + implicit def baseNode2Node(bnode : BaseNode): Node = bnode.self00; + + +} + + +trait BaseFlow extends BaseList { + type Node <: BFNode; + type Flow <: FlowBase; + type Output <: OutputBase; + type Input <: InputBase; + + abstract class FlowBase { + + } + trait OutputBase extends FlowBase { + + } + trait InputBase extends FlowBase { + + } + + trait BFNode extends BaseNode { + private var input : Input = _; + private var output : Output = _; + + def input_=(in : Input) = {} + + } +} diff --git a/tests/untried/neg/t593.check b/tests/untried/neg/t593.check new file mode 100644 index 000000000..c1aeab8ec --- /dev/null +++ b/tests/untried/neg/t593.check @@ -0,0 +1,4 @@ +t593.scala:1: error: traits or objects may not have parameters +trait Wrapper[T](x : T) { + ^ +one error found diff --git a/tests/untried/neg/t593.scala b/tests/untried/neg/t593.scala new file mode 100644 index 000000000..df7199a42 --- /dev/null +++ b/tests/untried/neg/t593.scala @@ -0,0 +1,2 @@ +trait Wrapper[T](x : T) { +} diff --git a/tests/untried/neg/t5956.check b/tests/untried/neg/t5956.check new file mode 100644 index 000000000..f5ae42c79 --- /dev/null +++ b/tests/untried/neg/t5956.check @@ -0,0 +1,7 @@ +t5956.scala:1: error: C is already defined as case class C +object O { case class C[T](); class C() } + ^ +t5956.scala:2: error: C is already defined as case class C +object T { case class C[T](); case class C() } + ^ +two errors found diff --git a/tests/untried/neg/t5956.flags b/tests/untried/neg/t5956.flags new file mode 100644 index 000000000..dcc59ebe3 --- /dev/null +++ b/tests/untried/neg/t5956.flags @@ -0,0 +1 @@ +-deprecation diff --git a/tests/untried/neg/t5956.scala b/tests/untried/neg/t5956.scala new file mode 100644 index 000000000..3cc10f3e1 --- /dev/null +++ b/tests/untried/neg/t5956.scala @@ -0,0 +1,2 @@ +object O { case class C[T](); class C() } +object T { case class C[T](); case class C() } diff --git a/tests/untried/neg/t5969.check b/tests/untried/neg/t5969.check new file mode 100644 index 000000000..9d8ac9a3a --- /dev/null +++ b/tests/untried/neg/t5969.check @@ -0,0 +1,7 @@ +t5969.scala:9: error: overloaded method value g with alternatives: + (x: C2)String <and> + (x: C1)String + cannot be applied to (String) + if (false) List(g(x)) else List[C1]() map g + ^ +one error found diff --git a/tests/untried/neg/t5969.scala b/tests/untried/neg/t5969.scala new file mode 100644 index 000000000..d010cacd1 --- /dev/null +++ b/tests/untried/neg/t5969.scala @@ -0,0 +1,11 @@ +class C1 +class C2 +class A { + def f(x: Any) = x + def g(x: C1): String = "A" + def g(x: C2): String = "B" + + def crash() = f(List[String]() flatMap { x => + if (false) List(g(x)) else List[C1]() map g + }) +} diff --git a/tests/untried/neg/t6011.check b/tests/untried/neg/t6011.check new file mode 100644 index 000000000..cb7f18903 --- /dev/null +++ b/tests/untried/neg/t6011.check @@ -0,0 +1,12 @@ +t6011.scala:4: warning: unreachable code + case 'a' | 'c' => 1 // unreachable + ^ +t6011.scala:10: warning: unreachable code + case 'b' | 'a' => 1 // unreachable + ^ +t6011.scala:8: warning: could not emit switch for @switch annotated match + def f2(ch: Char): Any = (ch: @annotation.switch) match { + ^ +error: No warnings can be incurred under -Xfatal-warnings. +three warnings found +one error found diff --git a/tests/untried/neg/t6011.flags b/tests/untried/neg/t6011.flags new file mode 100644 index 000000000..e8fb65d50 --- /dev/null +++ b/tests/untried/neg/t6011.flags @@ -0,0 +1 @@ +-Xfatal-warnings
\ No newline at end of file diff --git a/tests/untried/neg/t6011.scala b/tests/untried/neg/t6011.scala new file mode 100644 index 000000000..31a9f99a2 --- /dev/null +++ b/tests/untried/neg/t6011.scala @@ -0,0 +1,23 @@ +object Test { + def f(ch: Char): Any = ch match { + case 'a' => 1 + case 'a' | 'c' => 1 // unreachable + } + + // won't be compiled to a switch since it has an unreachable (duplicate) case + def f2(ch: Char): Any = (ch: @annotation.switch) match { + case 'a' | 'b' => 1 + case 'b' | 'a' => 1 // unreachable + case _ => + } + + // s'all good + def f3(ch: Char): Any = (ch: @annotation.switch) match { + case 'a' | 'b' if (true: Boolean) => 1 + case 'b' | 'a' => 1 // ok + case _ => // need third case to check switch annotation (two-case switches are always okay to compile to if-then-else) + } + + + def main(args: Array[String]): Unit = f('a') +} diff --git a/tests/untried/neg/t6013.check b/tests/untried/neg/t6013.check new file mode 100644 index 000000000..502da999f --- /dev/null +++ b/tests/untried/neg/t6013.check @@ -0,0 +1,7 @@ +DerivedScala.scala:4: error: class C needs to be abstract, since there is a deferred declaration of method foo in class B of type => Int which is not implemented in a subclass +class C extends B + ^ +DerivedScala.scala:7: error: class DerivedScala needs to be abstract, since there is a deferred declaration of method foo in class Abstract of type ()Boolean which is not implemented in a subclass +class DerivedScala extends Abstract + ^ +two errors found diff --git a/tests/untried/neg/t6013/Abstract.java b/tests/untried/neg/t6013/Abstract.java new file mode 100644 index 000000000..c0ef046bb --- /dev/null +++ b/tests/untried/neg/t6013/Abstract.java @@ -0,0 +1,7 @@ +public abstract class Abstract extends Base { + // overrides Base#bar under the erasure model + public void bar(java.util.List<java.lang.Integer> foo) { return; } + + // must force re-implementation in derived classes + public abstract boolean foo(); +} diff --git a/tests/untried/neg/t6013/Base.java b/tests/untried/neg/t6013/Base.java new file mode 100644 index 000000000..b73d7fd82 --- /dev/null +++ b/tests/untried/neg/t6013/Base.java @@ -0,0 +1,10 @@ +abstract public class Base { + // This must considered to be overridden by Abstract#foo based + // on the erased signatures. This special case is handled by + // `javaErasedOverridingSym` in `RefChecks`. + public abstract void bar(java.util.List<java.lang.String> foo) { return; } + + // But, a concrete method in a Java superclass must not excuse + // a deferred method in the Java subclass! + public boolean foo() { return true; } +} diff --git a/tests/untried/neg/t6013/DerivedScala.scala b/tests/untried/neg/t6013/DerivedScala.scala new file mode 100644 index 000000000..fc0c55d39 --- /dev/null +++ b/tests/untried/neg/t6013/DerivedScala.scala @@ -0,0 +1,7 @@ +// Scala extending Scala (this case was working fine before this bug.) +class A { def foo: Int = 0 } +abstract class B extends A { def foo: Int } +class C extends B + +// Scala extending Java +class DerivedScala extends Abstract diff --git a/tests/untried/neg/t6040.check b/tests/untried/neg/t6040.check new file mode 100644 index 000000000..16c90ede7 --- /dev/null +++ b/tests/untried/neg/t6040.check @@ -0,0 +1,9 @@ +t6040.scala:1: error: extension of type scala.Dynamic needs to be enabled +by making the implicit value scala.language.dynamics visible. +This can be achieved by adding the import clause 'import scala.language.dynamics' +or by setting the compiler option -language:dynamics. +See the Scala docs for value scala.language.dynamics for a discussion +why the feature needs to be explicitly enabled. +class X extends Dynamic + ^ +one error found diff --git a/tests/untried/neg/t6040.scala b/tests/untried/neg/t6040.scala new file mode 100644 index 000000000..7e2c1b105 --- /dev/null +++ b/tests/untried/neg/t6040.scala @@ -0,0 +1 @@ +class X extends Dynamic diff --git a/tests/untried/neg/t6042.check b/tests/untried/neg/t6042.check new file mode 100644 index 000000000..221f06e2c --- /dev/null +++ b/tests/untried/neg/t6042.check @@ -0,0 +1,4 @@ +t6042.scala:7: error: illegal type selection from volatile type a.OpSemExp (with upper bound LazyExp[a.OpSemExp] with _$1) + def foo[AA <: LazyExp[_]](a: AA): a.OpSemExp#Val = ??? // a.OpSemExp is volatile, because of `with This` + ^ +one error found diff --git a/tests/untried/neg/t6042.scala b/tests/untried/neg/t6042.scala new file mode 100644 index 000000000..5a123d17c --- /dev/null +++ b/tests/untried/neg/t6042.scala @@ -0,0 +1,8 @@ +trait LazyExp[+This <: LazyExp[This]] { this: This => + type OpSemExp <: LazyExp[OpSemExp] with This + type Val +} + +object Test { + def foo[AA <: LazyExp[_]](a: AA): a.OpSemExp#Val = ??? // a.OpSemExp is volatile, because of `with This` +} diff --git a/tests/untried/neg/t6048.check b/tests/untried/neg/t6048.check new file mode 100644 index 000000000..f8eddf547 --- /dev/null +++ b/tests/untried/neg/t6048.check @@ -0,0 +1,18 @@ +t6048.scala:3: warning: unreachable code + case _ if false => x // unreachable + ^ +t6048.scala:8: warning: unreachable code + case _ if false => x // unreachable + ^ +t6048.scala:13: warning: patterns after a variable pattern cannot match (SLS 8.1.1) + case _ => x + ^ +t6048.scala:14: warning: unreachable code due to variable pattern on line 13 + case 5 if true => x // unreachable + ^ +t6048.scala:14: warning: unreachable code + case 5 if true => x // unreachable + ^ +error: No warnings can be incurred under -Xfatal-warnings. +5 warnings found +one error found diff --git a/tests/untried/neg/t6048.flags b/tests/untried/neg/t6048.flags new file mode 100644 index 000000000..e8fb65d50 --- /dev/null +++ b/tests/untried/neg/t6048.flags @@ -0,0 +1 @@ +-Xfatal-warnings
\ No newline at end of file diff --git a/tests/untried/neg/t6048.scala b/tests/untried/neg/t6048.scala new file mode 100644 index 000000000..803e651d1 --- /dev/null +++ b/tests/untried/neg/t6048.scala @@ -0,0 +1,22 @@ +class A { + def f1(x: Int) = x match { + case _ if false => x // unreachable + case 5 => x + } + + def f2(x: Int) = x match { + case _ if false => x // unreachable + case 5 if true => x + } + + def f3(x: Int) = x match { + case _ => x + case 5 if true => x // unreachable + } + + def test1(x: Int) = x match { + case c if c < 0 => 0 + case 1 => 1 + case _ => 2 + } +} diff --git a/tests/untried/neg/t6074.check b/tests/untried/neg/t6074.check new file mode 100644 index 000000000..38670e5b3 --- /dev/null +++ b/tests/untried/neg/t6074.check @@ -0,0 +1,4 @@ +t6074.scala:5: error: constructor A in class A cannot be accessed in object T + def t = new A() + ^ +one error found diff --git a/tests/untried/neg/t6074.scala b/tests/untried/neg/t6074.scala new file mode 100644 index 000000000..8c14f00f1 --- /dev/null +++ b/tests/untried/neg/t6074.scala @@ -0,0 +1,6 @@ +class A private () { } +class B { } +object T { + implicit def a2b(a: A): B = null + def t = new A() +} diff --git a/tests/untried/neg/t608.check b/tests/untried/neg/t608.check new file mode 100644 index 000000000..5c7f49d00 --- /dev/null +++ b/tests/untried/neg/t608.check @@ -0,0 +1,6 @@ +t608.scala:16: error: type mismatch; + found : hs{type a = ha} + required: hs{type s = hs; type a = ha} + = g(f(x).bimap(id)) + ^ +one error found diff --git a/tests/untried/neg/t608.scala b/tests/untried/neg/t608.scala new file mode 100644 index 000000000..34dc4c035 --- /dev/null +++ b/tests/untried/neg/t608.scala @@ -0,0 +1,17 @@ +trait CrashDueToTypeError { + def id[a](x :a) :a = x + + trait Bifunctor { + type a; // content + type s <: Bifunctor + + // uncomment this-vvvvvvvvvvvvvvvvvvvvvvvvvvvv, and it compiles + def bimap[c](f :a=>c) :s{/*type s=Bifunctor.this.s;*/type a=c; } + } + + def hylo[hs <: Bifunctor,ha,hb,hc] + (f :hb=>hs{type s=hs; type a=ha}, + g :hs{type s=hs; type a=ha}=>hc)(x :hb) + :hc + = g(f(x).bimap(id)) +} diff --git a/tests/untried/neg/t6082.check b/tests/untried/neg/t6082.check new file mode 100644 index 000000000..b68de5ce0 --- /dev/null +++ b/tests/untried/neg/t6082.check @@ -0,0 +1,13 @@ +t6082.scala:1: warning: Implementation restriction: subclassing Classfile does not +make your annotation visible at runtime. If that is what +you want, you must write the annotation class in Java. +class annot(notValue: String) extends annotation.ClassfileAnnotation + ^ +t6082.scala:2: error: classfile annotation arguments have to be supplied as named arguments +@annot("") class C + ^ +t6082.scala:2: error: annotation annot is missing argument notValue +@annot("") class C + ^ +one warning found +two errors found diff --git a/tests/untried/neg/t6082.scala b/tests/untried/neg/t6082.scala new file mode 100644 index 000000000..9acc3963d --- /dev/null +++ b/tests/untried/neg/t6082.scala @@ -0,0 +1,2 @@ +class annot(notValue: String) extends annotation.ClassfileAnnotation +@annot("") class C diff --git a/tests/untried/neg/t6083.check b/tests/untried/neg/t6083.check new file mode 100644 index 000000000..c9b5ba05d --- /dev/null +++ b/tests/untried/neg/t6083.check @@ -0,0 +1,10 @@ +t6083.scala:6: warning: Implementation restriction: subclassing Classfile does not +make your annotation visible at runtime. If that is what +you want, you must write the annotation class in Java. +class annot(value: String) extends annotation.ClassfileAnnotation + ^ +t6083.scala:7: error: annotation argument needs to be a constant; found: conv.i2s(101) +@annot(101) class C + ^ +one warning found +one error found diff --git a/tests/untried/neg/t6083.scala b/tests/untried/neg/t6083.scala new file mode 100644 index 000000000..1de18e652 --- /dev/null +++ b/tests/untried/neg/t6083.scala @@ -0,0 +1,7 @@ +object conv { + implicit def i2s(i: Int): String = "" +} +import conv._ + +class annot(value: String) extends annotation.ClassfileAnnotation +@annot(101) class C diff --git a/tests/untried/neg/t6120.check b/tests/untried/neg/t6120.check new file mode 100644 index 000000000..a7d17e29c --- /dev/null +++ b/tests/untried/neg/t6120.check @@ -0,0 +1,20 @@ +t6120.scala:5: warning: postfix operator bippy should be enabled +by making the implicit value scala.language.postfixOps visible. +This can be achieved by adding the import clause 'import scala.language.postfixOps' +or by setting the compiler option -language:postfixOps. +See the Scala docs for value scala.language.postfixOps for a discussion +why the feature should be explicitly enabled. + def f = null == null bippy + ^ +t6120.scala:5: warning: method bippy in class BooleanOps is deprecated: bobo + def f = null == null bippy + ^ +t6120.scala:5: warning: comparing values of types Null and Null using `==' will always yield true + def f = null == null bippy + ^ +t6120.scala:6: warning: method bippy in class BooleanOps is deprecated: bobo + def g = true.bippy + ^ +error: No warnings can be incurred under -Xfatal-warnings. +four warnings found +one error found diff --git a/tests/untried/neg/t6120.flags b/tests/untried/neg/t6120.flags new file mode 100644 index 000000000..04d7c7d41 --- /dev/null +++ b/tests/untried/neg/t6120.flags @@ -0,0 +1 @@ +-feature -deprecation -Xfatal-warnings
\ No newline at end of file diff --git a/tests/untried/neg/t6120.scala b/tests/untried/neg/t6120.scala new file mode 100644 index 000000000..425f09db4 --- /dev/null +++ b/tests/untried/neg/t6120.scala @@ -0,0 +1,7 @@ +class A { + implicit class BooleanOps(val b: Boolean) { + @deprecated("bobo", "2.11.0") def bippy() = 5 + } + def f = null == null bippy + def g = true.bippy +} diff --git a/tests/untried/neg/t6123-explaintypes-macros.check b/tests/untried/neg/t6123-explaintypes-macros.check new file mode 100644 index 000000000..2c86f3c9c --- /dev/null +++ b/tests/untried/neg/t6123-explaintypes-macros.check @@ -0,0 +1,10 @@ +c.universe.Expr[Any]* <: c.universe.Expr[String]*? +false +BadMac_2.scala:6: error: macro implementation has incompatible shape: + required: (c: scala.reflect.macros.blackbox.Context)(format: c.Expr[String], params: c.Expr[Any]*): c.Expr[Unit] + or : (c: scala.reflect.macros.blackbox.Context)(format: c.Tree, params: Tree*): c.Tree + found : (c: scala.reflect.macros.blackbox.Context)(format: c.Expr[String], params: c.Expr[String]*): c.Expr[Unit] +type mismatch for parameter params: c.Expr[Any]* does not conform to c.Expr[String]* + def printf(format: String, params: Any*): Unit = macro printf_impl + ^ +one error found diff --git a/tests/untried/neg/t6123-explaintypes-macros/BadMac_2.flags b/tests/untried/neg/t6123-explaintypes-macros/BadMac_2.flags new file mode 100644 index 000000000..b36707c7c --- /dev/null +++ b/tests/untried/neg/t6123-explaintypes-macros/BadMac_2.flags @@ -0,0 +1 @@ +-explaintypes diff --git a/tests/untried/neg/t6123-explaintypes-macros/BadMac_2.scala b/tests/untried/neg/t6123-explaintypes-macros/BadMac_2.scala new file mode 100644 index 000000000..75ded4ef7 --- /dev/null +++ b/tests/untried/neg/t6123-explaintypes-macros/BadMac_2.scala @@ -0,0 +1,8 @@ +import scala.language.experimental.macros +import scala.reflect.macros.blackbox.Context + +// explain some macro types to me +object BadMac { + def printf(format: String, params: Any*): Unit = macro printf_impl + def printf_impl(c: Context)(format: c.Expr[String], params: c.Expr[String]*): c.Expr[Unit] = ??? +} diff --git a/tests/untried/neg/t6123-explaintypes-macros/Macros.flags b/tests/untried/neg/t6123-explaintypes-macros/Macros.flags new file mode 100644 index 000000000..b36707c7c --- /dev/null +++ b/tests/untried/neg/t6123-explaintypes-macros/Macros.flags @@ -0,0 +1 @@ +-explaintypes diff --git a/tests/untried/neg/t6123-explaintypes-macros/Macros.scala b/tests/untried/neg/t6123-explaintypes-macros/Macros.scala new file mode 100644 index 000000000..f2238b39a --- /dev/null +++ b/tests/untried/neg/t6123-explaintypes-macros/Macros.scala @@ -0,0 +1,10 @@ +import scala.language.experimental.macros +import scala.reflect.macros.blackbox.Context + +object Macros { + def printf(format: String, params: Any*): Unit = macro printf_impl + def printf_impl(c: Context)(format: c.Expr[String], params: c.Expr[Any]*): c.Expr[Unit] = ??? +} + +// something trivial to run +object Test extends App diff --git a/tests/untried/neg/t6138.check b/tests/untried/neg/t6138.check new file mode 100644 index 000000000..8fd997824 --- /dev/null +++ b/tests/untried/neg/t6138.check @@ -0,0 +1,7 @@ +t6138.scala:4: error: ambiguous reference to overloaded definition, +both method getClass in object definitions of type (s: Int)Any +and method getClass in object definitions of type (s: String)Any +match argument types (Nothing) + getClass(???): String + ^ +one error found diff --git a/tests/untried/neg/t6138.scala b/tests/untried/neg/t6138.scala new file mode 100644 index 000000000..2f45a46b1 --- /dev/null +++ b/tests/untried/neg/t6138.scala @@ -0,0 +1,5 @@ +object definitions { + def getClass(s: String): Any = ??? + def getClass(s: Int): Any = ??? + getClass(???): String +} diff --git a/tests/untried/neg/t6162-inheritance.check b/tests/untried/neg/t6162-inheritance.check new file mode 100644 index 000000000..13c78030d --- /dev/null +++ b/tests/untried/neg/t6162-inheritance.check @@ -0,0 +1,18 @@ +usage.scala:3: warning: inheritance from class Foo in package t6126 is deprecated: `Foo` will be made final in a future version. +class SubFoo extends Foo + ^ +usage.scala:5: warning: inheritance from trait T in package t6126 is deprecated +object SubT extends T + ^ +usage.scala:8: warning: inheritance from trait S in package t6126 is deprecated + new S { + ^ +usage.scala:3: warning: inheritance from class Foo in package t6126 is deprecated: `Foo` will be made final in a future version. +class SubFoo extends Foo + ^ +usage.scala:5: warning: inheritance from trait T in package t6126 is deprecated +object SubT extends T + ^ +error: No warnings can be incurred under -Xfatal-warnings. +5 warnings found +one error found diff --git a/tests/untried/neg/t6162-inheritance.flags b/tests/untried/neg/t6162-inheritance.flags new file mode 100644 index 000000000..65faf5357 --- /dev/null +++ b/tests/untried/neg/t6162-inheritance.flags @@ -0,0 +1 @@ +-Xfatal-warnings -deprecation
\ No newline at end of file diff --git a/tests/untried/neg/t6162-inheritance/defn.scala b/tests/untried/neg/t6162-inheritance/defn.scala new file mode 100644 index 000000000..bb582d27b --- /dev/null +++ b/tests/untried/neg/t6162-inheritance/defn.scala @@ -0,0 +1,10 @@ +package scala.t6126 + +@deprecatedInheritance("`Foo` will be made final in a future version.", "2.10.0") +class Foo + +@deprecatedInheritance() +trait T + +@deprecatedInheritance() +trait S diff --git a/tests/untried/neg/t6162-inheritance/usage.scala b/tests/untried/neg/t6162-inheritance/usage.scala new file mode 100644 index 000000000..097e4f590 --- /dev/null +++ b/tests/untried/neg/t6162-inheritance/usage.scala @@ -0,0 +1,10 @@ +package scala.t6126 + +class SubFoo extends Foo + +object SubT extends T + +object O { + new S { + } +} diff --git a/tests/untried/neg/t6162-overriding.check b/tests/untried/neg/t6162-overriding.check new file mode 100644 index 000000000..6bff75d88 --- /dev/null +++ b/tests/untried/neg/t6162-overriding.check @@ -0,0 +1,9 @@ +t6162-overriding.scala:14: warning: overriding method bar in class Bar is deprecated: `bar` will be made private in a future version. + override def bar = 43 + ^ +t6162-overriding.scala:15: warning: overriding method baz in class Bar is deprecated + override def baz = 43 + ^ +error: No warnings can be incurred under -Xfatal-warnings. +two warnings found +one error found diff --git a/tests/untried/neg/t6162-overriding.flags b/tests/untried/neg/t6162-overriding.flags new file mode 100644 index 000000000..65faf5357 --- /dev/null +++ b/tests/untried/neg/t6162-overriding.flags @@ -0,0 +1 @@ +-Xfatal-warnings -deprecation
\ No newline at end of file diff --git a/tests/untried/neg/t6162-overriding.scala b/tests/untried/neg/t6162-overriding.scala new file mode 100644 index 000000000..4cab0c2de --- /dev/null +++ b/tests/untried/neg/t6162-overriding.scala @@ -0,0 +1,17 @@ +package scala.t6162 + +class Bar { + @deprecatedOverriding("`bar` will be made private in a future version.", "2.10.0") + def bar = 42 + + @deprecatedOverriding() + def baz = 42 + + def baz(a: Any) = 0 +} + +class SubBar extends Bar { + override def bar = 43 + override def baz = 43 + override def baz(a: Any) = 43 // okay +} diff --git a/tests/untried/neg/t6214.check b/tests/untried/neg/t6214.check new file mode 100644 index 000000000..6349a3e71 --- /dev/null +++ b/tests/untried/neg/t6214.check @@ -0,0 +1,4 @@ +t6214.scala:5: error: missing parameter type + m { s => case class Foo() } + ^ +one error found diff --git a/tests/untried/neg/t6214.scala b/tests/untried/neg/t6214.scala new file mode 100644 index 000000000..0d5ffc5de --- /dev/null +++ b/tests/untried/neg/t6214.scala @@ -0,0 +1,7 @@ +object Test { + def m(f: String => Unit) = 0 + def m(f: Int => Unit) = 0 + def foo: Unit = { + m { s => case class Foo() } + } +} diff --git a/tests/untried/neg/t6227.check b/tests/untried/neg/t6227.check new file mode 100644 index 000000000..5e3c63671 --- /dev/null +++ b/tests/untried/neg/t6227.check @@ -0,0 +1,4 @@ +t6227.scala:2: error: illegal combination of modifiers: implicit and case for: class IntOps + implicit case class IntOps( i: Int ) { + ^ +one error found diff --git a/tests/untried/neg/t6227.scala b/tests/untried/neg/t6227.scala new file mode 100644 index 000000000..46416839d --- /dev/null +++ b/tests/untried/neg/t6227.scala @@ -0,0 +1,6 @@ +object Test { + implicit case class IntOps( i: Int ) { + def twice = i * 2 + } +} + diff --git a/tests/untried/neg/t6258.check b/tests/untried/neg/t6258.check new file mode 100644 index 000000000..73363d828 --- /dev/null +++ b/tests/untried/neg/t6258.check @@ -0,0 +1,16 @@ +t6258.scala:2: error: missing parameter type for expanded function +The argument types of an anonymous function must be fully known. (SLS 8.5) +Expected type was: PartialFunction[?, Int] + val f : PartialFunction[_, Int] = { case a : Int => a } // undefined param + ^ +t6258.scala:5: error: missing parameter type for expanded function +The argument types of an anonymous function must be fully known. (SLS 8.5) +Expected type was: PartialFunction[?,Int] + foo { case a : Int => a } // undefined param + ^ +t6258.scala:22: error: missing parameter type for expanded function +The argument types of an anonymous function must be fully known. (SLS 8.5) +Expected type was: PartialFunction[?,Any] + bar[M[Any]] (foo { // undefined param + ^ +three errors found diff --git a/tests/untried/neg/t6258.scala b/tests/untried/neg/t6258.scala new file mode 100644 index 000000000..19794b325 --- /dev/null +++ b/tests/untried/neg/t6258.scala @@ -0,0 +1,25 @@ +object Test { + val f : PartialFunction[_, Int] = { case a : Int => a } // undefined param + + def foo[A](pf: PartialFunction[A, Int]): Unit = {}; + foo { case a : Int => a } // undefined param + + val g : PartialFunction[Int, _] = { case a : Int => a } // okay +} + + +// Another variation, seen in the wild with Specs2. +class X { + trait Matcher[-T] + + def bar[T](m: Matcher[T]) = null + def bar[T](i: Int) = null + + def foo[T](p: PartialFunction[T, Any]): Matcher[T] = null + + case class M[X](a: X) + + bar[M[Any]] (foo { // undefined param + case M(_) => null + }) +} diff --git a/tests/untried/neg/t6260-named.check b/tests/untried/neg/t6260-named.check new file mode 100644 index 000000000..ed6ab5e76 --- /dev/null +++ b/tests/untried/neg/t6260-named.check @@ -0,0 +1,13 @@ +t6260-named.scala:12: error: bridge generated for member method apply: (a: C[Any])C[Any] in object O +which overrides method apply: (v1: T1)R in trait Function1 +clashes with definition of the member itself; +both have erased type (v1: Object)Object + def apply(a: C[Any]) = a + ^ +t6260-named.scala:14: error: bridge generated for member method apply: (a: C[Any])C[Any] in class X +which overrides method apply: (a: A)A in trait T +clashes with definition of the member itself; +both have erased type (a: Object)Object + class X extends T[C[Any]] { def apply(a: C[Any]) = a } + ^ +two errors found diff --git a/tests/untried/neg/t6260-named.scala b/tests/untried/neg/t6260-named.scala new file mode 100644 index 000000000..7cd9ce847 --- /dev/null +++ b/tests/untried/neg/t6260-named.scala @@ -0,0 +1,15 @@ +class C[A](private val a: Any) extends AnyVal +trait T[A] { + def apply(a: A): A +} + +object Test { + (x: C[Any]) => {println(s"f($x)"); x} // okay + new T[C[Any]] { def apply(a: C[Any]) = a } // okay + + // we can't rename the specific apply method to avoid the clash + object O extends Function1[C[Any], C[Any]] { + def apply(a: C[Any]) = a + } + class X extends T[C[Any]] { def apply(a: C[Any]) = a } +} diff --git a/tests/untried/neg/t6260c.check b/tests/untried/neg/t6260c.check new file mode 100644 index 000000000..cbbcfd150 --- /dev/null +++ b/tests/untried/neg/t6260c.check @@ -0,0 +1,7 @@ +t6260c.scala:4: error: bridge generated for member method f: ()Option[A] in class Bar1 +which overrides method f: ()A in class Foo1 +clashes with definition of the member itself; +both have erased type ()Object + class Bar1[A] extends Foo1[Option[A]] { def f(): Option[A] = ??? } + ^ +one error found diff --git a/tests/untried/neg/t6260c.scala b/tests/untried/neg/t6260c.scala new file mode 100644 index 000000000..02bf15237 --- /dev/null +++ b/tests/untried/neg/t6260c.scala @@ -0,0 +1,4 @@ +final class Option[+A](val value: A) extends AnyVal + +abstract class Foo1[A] { def f(): A } + class Bar1[A] extends Foo1[Option[A]] { def f(): Option[A] = ??? } diff --git a/tests/untried/neg/t6263.check b/tests/untried/neg/t6263.check new file mode 100644 index 000000000..9e9c7c615 --- /dev/null +++ b/tests/untried/neg/t6263.check @@ -0,0 +1,9 @@ +t6263.scala:5: error: type mismatch; + found : A.this.c.type (with underlying type C) + required: AnyRef +Note that C extends Any, not AnyRef. +Such types can participate in value classes, but instances +cannot appear in singleton types or in reference comparisons. + type t = c.type + ^ +one error found diff --git a/tests/untried/neg/t6263.scala b/tests/untried/neg/t6263.scala new file mode 100644 index 000000000..6575185b5 --- /dev/null +++ b/tests/untried/neg/t6263.scala @@ -0,0 +1,6 @@ +class C(val a: Any) extends AnyVal +class A { + implicit def c2AnyRef(c: C): AnyRef = new {} + val c = new C(0) + type t = c.type +} diff --git a/tests/untried/neg/t6264.check b/tests/untried/neg/t6264.check new file mode 100644 index 000000000..c0975a80b --- /dev/null +++ b/tests/untried/neg/t6264.check @@ -0,0 +1,6 @@ +t6264.scala:3: warning: non-variable type argument Tuple1[_] in type Tuple2[_, Tuple1[_]] is unchecked since it is eliminated by erasure + x.isInstanceOf[Tuple2[_, Tuple1[_]]] + ^ +error: No warnings can be incurred under -Xfatal-warnings. +one warning found +one error found diff --git a/tests/untried/neg/t6264.flags b/tests/untried/neg/t6264.flags new file mode 100644 index 000000000..85d8eb2ba --- /dev/null +++ b/tests/untried/neg/t6264.flags @@ -0,0 +1 @@ +-Xfatal-warnings diff --git a/tests/untried/neg/t6264.scala b/tests/untried/neg/t6264.scala new file mode 100644 index 000000000..dc3b72793 --- /dev/null +++ b/tests/untried/neg/t6264.scala @@ -0,0 +1,6 @@ +class Foo { + def foo(x: AnyRef): Unit = { + x.isInstanceOf[Tuple2[_, Tuple1[_]]] + () + } +} diff --git a/tests/untried/neg/t6276.check b/tests/untried/neg/t6276.check new file mode 100644 index 000000000..f275de9d0 --- /dev/null +++ b/tests/untried/neg/t6276.check @@ -0,0 +1,21 @@ +t6276.scala:4: warning: method a in class C does nothing other than call itself recursively + def a: Any = a // warn + ^ +t6276.scala:5: warning: value b in class C does nothing other than call itself recursively + val b: Any = b // warn + ^ +t6276.scala:7: warning: method c in class C does nothing other than call itself recursively + def c: Any = this.c // warn + ^ +t6276.scala:8: warning: method d in class C does nothing other than call itself recursively + def d: Any = C.this.d // warn + ^ +t6276.scala:13: warning: method a does nothing other than call itself recursively + def a: Any = a // warn + ^ +t6276.scala:22: warning: method a does nothing other than call itself recursively + def a = a // warn + ^ +error: No warnings can be incurred under -Xfatal-warnings. +6 warnings found +one error found diff --git a/tests/untried/neg/t6276.flags b/tests/untried/neg/t6276.flags new file mode 100644 index 000000000..85d8eb2ba --- /dev/null +++ b/tests/untried/neg/t6276.flags @@ -0,0 +1 @@ +-Xfatal-warnings diff --git a/tests/untried/neg/t6276.scala b/tests/untried/neg/t6276.scala new file mode 100644 index 000000000..a3b0d6d5d --- /dev/null +++ b/tests/untried/neg/t6276.scala @@ -0,0 +1,44 @@ +object Test { + def foo(a: Int, b: Int, c: Int): Unit = { + class C { + def a: Any = a // warn + val b: Any = b // warn + + def c: Any = this.c // warn + def d: Any = C.this.d // warn + } + + def method: Unit = { + // method local + def a: Any = a // warn + } + + trait T { + def a: Any + } + + new T { + // inherited return type + def a = a // warn + } + + // no warnings below + new { + def a: Any = {println(""); a} + val b: Any = {println(""); b} + def c(i: Int): Any = c(i - 0) + } + + class D { + def other: D = null + def foo: Any = other.foo + } + + class E { + def foo: Any = 0 + class D extends E { + override def foo: Any = E.this.foo + } + } + } +} diff --git a/tests/untried/neg/t6283.check b/tests/untried/neg/t6283.check new file mode 100644 index 000000000..69e417ee9 --- /dev/null +++ b/tests/untried/neg/t6283.check @@ -0,0 +1,4 @@ +t6283.scala:1: error: `abstract' modifier cannot be used with value classes +abstract class Funky(val i: Int) extends AnyVal + ^ +one error found diff --git a/tests/untried/neg/t6283.scala b/tests/untried/neg/t6283.scala new file mode 100644 index 000000000..d41eb18a7 --- /dev/null +++ b/tests/untried/neg/t6283.scala @@ -0,0 +1 @@ +abstract class Funky(val i: Int) extends AnyVal diff --git a/tests/untried/neg/t6289.check b/tests/untried/neg/t6289.check new file mode 100644 index 000000000..f6f43cabd --- /dev/null +++ b/tests/untried/neg/t6289.check @@ -0,0 +1,10 @@ +#partest java6 +t6289/J.java:2: method does not override or implement a method from a supertype + @Override public void foo() { } + ^ +1 error +#partest java7 +t6289/J.java:2: error: method does not override or implement a method from a supertype + @Override public void foo() { } + ^ +1 error diff --git a/tests/untried/neg/t6289.flags b/tests/untried/neg/t6289.flags new file mode 100644 index 000000000..85d8eb2ba --- /dev/null +++ b/tests/untried/neg/t6289.flags @@ -0,0 +1 @@ +-Xfatal-warnings diff --git a/tests/untried/neg/t6289/J.java b/tests/untried/neg/t6289/J.java new file mode 100644 index 000000000..83f50c9ae --- /dev/null +++ b/tests/untried/neg/t6289/J.java @@ -0,0 +1,5 @@ +public class J { + @Override public void foo() { } + + public void bar() { foo(); } +} diff --git a/tests/untried/neg/t6289/SUT_5.scala b/tests/untried/neg/t6289/SUT_5.scala new file mode 100644 index 000000000..0a996352c --- /dev/null +++ b/tests/untried/neg/t6289/SUT_5.scala @@ -0,0 +1,5 @@ + +/** The System Under Test. + * We bail on the earlier round that generates the first error. + */ +class SUT extends J diff --git a/tests/untried/neg/t630.check b/tests/untried/neg/t630.check new file mode 100644 index 000000000..0814ef0c1 --- /dev/null +++ b/tests/untried/neg/t630.check @@ -0,0 +1,5 @@ +t630.scala:20: error: overriding value foo in trait Bar of type Req2; + object foo has incompatible type + object foo extends Req1 + ^ +one error found diff --git a/tests/untried/neg/t630.scala b/tests/untried/neg/t630.scala new file mode 100644 index 000000000..8a073963b --- /dev/null +++ b/tests/untried/neg/t630.scala @@ -0,0 +1,23 @@ +trait Req1 + +trait Req2 { + def test() = Console.println("Test") +} + +trait Foo { + val foo : Req1 +} + +trait Bar { + val foo : Req2 + def test() = foo.test +} + +object Test + extends Foo + with Bar +{ + object foo extends Req1 + + def main(argv : Array[String]) = test +} diff --git a/tests/untried/neg/t631.check b/tests/untried/neg/t631.check new file mode 100644 index 000000000..3759565e1 --- /dev/null +++ b/tests/untried/neg/t631.check @@ -0,0 +1,4 @@ +t631.scala:1: error: `implicit' modifier cannot be used for top-level objects +implicit object Test { + ^ +one error found diff --git a/tests/untried/neg/t631.scala b/tests/untried/neg/t631.scala new file mode 100644 index 000000000..631db3eb1 --- /dev/null +++ b/tests/untried/neg/t631.scala @@ -0,0 +1,3 @@ +implicit object Test { + Console.println("foo") +} diff --git a/tests/untried/neg/t6323a.check b/tests/untried/neg/t6323a.check new file mode 100644 index 000000000..261a60ef3 --- /dev/null +++ b/tests/untried/neg/t6323a.check @@ -0,0 +1,15 @@ +t6323a.scala:10: materializing requested scala.reflect.type.ClassTag[Test] using `package`.this.materializeClassTag[Test]() + val lookAtMe = m.reflect(Test("a",List(5))) + ^ +t6323a.scala:11: materializing requested reflect.runtime.universe.type.TypeTag[Test] using `package`.this.materializeTypeTag[Test](scala.reflect.runtime.`package`.universe) + val value = u.typeOf[Test] + ^ +t6323a.scala:11: `package`.this.materializeTypeTag[Test](scala.reflect.runtime.`package`.universe) is not a valid implicit value for reflect.runtime.universe.TypeTag[Test] because: +failed to typecheck the materialized tag: +cannot create a TypeTag referring to class Test.Test local to the reifee: use WeakTypeTag instead + val value = u.typeOf[Test] + ^ +t6323a.scala:11: error: No TypeTag available for Test + val value = u.typeOf[Test] + ^ +one error found diff --git a/tests/untried/neg/t6323a.flags b/tests/untried/neg/t6323a.flags new file mode 100644 index 000000000..4c6cdb71e --- /dev/null +++ b/tests/untried/neg/t6323a.flags @@ -0,0 +1 @@ +-Xlog-implicits
\ No newline at end of file diff --git a/tests/untried/neg/t6323a.scala b/tests/untried/neg/t6323a.scala new file mode 100644 index 000000000..a32eb915d --- /dev/null +++ b/tests/untried/neg/t6323a.scala @@ -0,0 +1,21 @@ +import scala.reflect.runtime.universe._ +import scala.reflect.runtime.{currentMirror => m} +import scala.reflect.runtime.{universe => u} + +object Test extends App { + locally { + try { + case class Test(a:String,b:List[Int]) + + val lookAtMe = m.reflect(Test("a",List(5))) + val value = u.typeOf[Test] + val members = value.members + val member = value.members.filter(_.name.encoded == "a") + val aAccessor = lookAtMe.reflectMethod(member.head.asMethod) + val thisShouldBeA = aAccessor.apply() + println(thisShouldBeA) + } catch { + case ScalaReflectionException(msg) => println(msg) + } + } +} diff --git a/tests/untried/neg/t633.check b/tests/untried/neg/t633.check new file mode 100644 index 000000000..d69d3be70 --- /dev/null +++ b/tests/untried/neg/t633.check @@ -0,0 +1,4 @@ +t633.scala:3: error: not found: type ListBuffer + def t(a : ListBuffer[String]) = { + ^ +one error found diff --git a/tests/untried/neg/t633.scala b/tests/untried/neg/t633.scala new file mode 100644 index 000000000..fd4e56072 --- /dev/null +++ b/tests/untried/neg/t633.scala @@ -0,0 +1,8 @@ +object Test +{ + def t(a : ListBuffer[String]) = { + Console.println(a.length) + } + + def main(argv : Array[String]) = t(null) +} diff --git a/tests/untried/neg/t6335.check b/tests/untried/neg/t6335.check new file mode 100644 index 000000000..1727a05eb --- /dev/null +++ b/tests/untried/neg/t6335.check @@ -0,0 +1,9 @@ +t6335.scala:6: error: method Z is defined twice + conflicting symbols both originated in file 't6335.scala' + implicit class Z[A](val i: A) { def zz = i } + ^ +t6335.scala:3: error: method X is defined twice + conflicting symbols both originated in file 't6335.scala' + implicit class X(val x: Int) { def xx = x } + ^ +two errors found diff --git a/tests/untried/neg/t6335.scala b/tests/untried/neg/t6335.scala new file mode 100644 index 000000000..6c898af5b --- /dev/null +++ b/tests/untried/neg/t6335.scala @@ -0,0 +1,7 @@ +object ImplicitClass { + def X(i: Int): Unit = {} + implicit class X(val x: Int) { def xx = x } + + def Z[A](i: A): Unit = {} + implicit class Z[A](val i: A) { def zz = i } +} diff --git a/tests/untried/neg/t6336.check b/tests/untried/neg/t6336.check new file mode 100644 index 000000000..f70a5f70a --- /dev/null +++ b/tests/untried/neg/t6336.check @@ -0,0 +1,7 @@ +t6336.scala:3: error: Parameter type in structural refinement may not refer to a user-defined value class + val a = new { def y[T](x: X[T]) = x.i } + ^ +t6336.scala:4: error: Result type in structural refinement may not refer to a user-defined value class + val b = new { def y[T](x: T): X[T] = new X(2) } + ^ +two errors found diff --git a/tests/untried/neg/t6336.scala b/tests/untried/neg/t6336.scala new file mode 100644 index 000000000..d8b795e3e --- /dev/null +++ b/tests/untried/neg/t6336.scala @@ -0,0 +1,12 @@ +object D { + def main(args: Array[String]): Unit = { + val a = new { def y[T](x: X[T]) = x.i } + val b = new { def y[T](x: T): X[T] = new X(2) } + val x = new X(3) + val t = a.y(x) + println(t) + } +} + +class X[T](val i: Int) extends AnyVal + diff --git a/tests/untried/neg/t6337.check b/tests/untried/neg/t6337.check new file mode 100644 index 000000000..8448f7132 --- /dev/null +++ b/tests/untried/neg/t6337.check @@ -0,0 +1,7 @@ +t6337.scala:10: error: value class may not wrap another user-defined value class +class X[T](val i: XX[T]) extends AnyVal + ^ +t6337.scala:20: error: value class may not wrap another user-defined value class +class X1[T](val i: XX1[T]) extends AnyVal + ^ +two errors found diff --git a/tests/untried/neg/t6337.scala b/tests/untried/neg/t6337.scala new file mode 100644 index 000000000..a6cb9bb33 --- /dev/null +++ b/tests/untried/neg/t6337.scala @@ -0,0 +1,21 @@ +object C { + + def main(args: Array[String]) = { + val x = new X(new XX(3)) + println(x.i.x + 9) + } + +} + +class X[T](val i: XX[T]) extends AnyVal +class XX[T](val x: T) extends AnyVal + +object C1 { + def main(args: Array[String]): Unit = { + val x = new X1(new XX1(Some(3))) + println(x.i.x.get + 9) + } +} + +class X1[T](val i: XX1[T]) extends AnyVal +class XX1[T](val x: Option[T]) extends AnyVal diff --git a/tests/untried/neg/t6340.check b/tests/untried/neg/t6340.check new file mode 100644 index 000000000..f18b8c3f4 --- /dev/null +++ b/tests/untried/neg/t6340.check @@ -0,0 +1,10 @@ +t6340.scala:11: error: value D is not a member of object Foo + import Foo.{ A, B, C, D, E, X, Y, Z } + ^ +t6340.scala:16: error: not found: type D + val d = new D + ^ +t6340.scala:17: error: not found: type W + val w = new W + ^ +three errors found diff --git a/tests/untried/neg/t6340.scala b/tests/untried/neg/t6340.scala new file mode 100644 index 000000000..8934d5c15 --- /dev/null +++ b/tests/untried/neg/t6340.scala @@ -0,0 +1,21 @@ +object Foo { + class A + class B + class C + class X + class Y + class Z +} + +object Test { + import Foo.{ A, B, C, D, E, X, Y, Z } + + val a = new A + val b = new B + val c = new C + val d = new D + val w = new W + val x = new X + val y = new Y + val z = new Z +} diff --git a/tests/untried/neg/t6355a.check b/tests/untried/neg/t6355a.check new file mode 100644 index 000000000..5768d31f0 --- /dev/null +++ b/tests/untried/neg/t6355a.check @@ -0,0 +1,7 @@ +t6355a.scala:12: error: implementation restriction: applyDynamic cannot be overloaded except by methods with different numbers of type parameters, e.g. applyDynamic[T1](method: String)(arg: T1) and applyDynamic[T1, T2](method: String)(arg1: T1, arg2: T2) + def applyDynamic(name: String)(x: Int): Int = 2 + ^ +t6355a.scala:18: error: implementation restriction: applyDynamic cannot be overloaded except by methods with different numbers of type parameters, e.g. applyDynamic[T1](method: String)(arg: T1) and applyDynamic[T1, T2](method: String)(arg1: T1, arg2: T2) + def applyDynamic[T1, T2](name: String)(x: String, y: T1, z: T2): Int = 3 + ^ +two errors found diff --git a/tests/untried/neg/t6355a.scala b/tests/untried/neg/t6355a.scala new file mode 100644 index 000000000..0500ed04c --- /dev/null +++ b/tests/untried/neg/t6355a.scala @@ -0,0 +1,19 @@ +package foo + +import scala.language.dynamics + +class DoesntExtendDynamic { + def applyDynamic(name: String)(s: String): Int = 1 + def applyDynamic(name: String)(x: Int): Int = 2 +} + +class A extends Dynamic { + def applyDynamic(name: String)(s: String): Int = 1 + def applyDynamic(name: String)(x: Int): Int = 2 +} + +class B extends Dynamic { + def applyDynamic[T1](name: String)(x: T1): Int = 1 + def applyDynamic[T1, T2](name: String)(x: T1, y: T2): Int = 2 + def applyDynamic[T1, T2](name: String)(x: String, y: T1, z: T2): Int = 3 +} diff --git a/tests/untried/neg/t6355b.check b/tests/untried/neg/t6355b.check new file mode 100644 index 000000000..f827f07e5 --- /dev/null +++ b/tests/untried/neg/t6355b.check @@ -0,0 +1,11 @@ +t6355b.scala:14: error: value applyDynamic is not a member of A +error after rewriting to x.<applyDynamic: error>("bippy") +possible cause: maybe a wrong Dynamic method signature? + println(x.bippy(42)) + ^ +t6355b.scala:15: error: value applyDynamic is not a member of A +error after rewriting to x.<applyDynamic: error>("bippy") +possible cause: maybe a wrong Dynamic method signature? + println(x.bippy("42")) + ^ +two errors found diff --git a/tests/untried/neg/t6355b.scala b/tests/untried/neg/t6355b.scala new file mode 100644 index 000000000..5f3c97cb0 --- /dev/null +++ b/tests/untried/neg/t6355b.scala @@ -0,0 +1,17 @@ +import scala.language.dynamics + +class A extends Dynamic { + def selectDynamic(method: String): B = new B(method) +} +class B(method: String) { + def apply(x: Int) = s"$method(x: Int) called with x = $x" + def apply(x: String) = s"""$method(x: String) called with x = "$x"""" +} + +object Test { + def main(args: Array[String]): Unit = { + val x = new A + println(x.bippy(42)) + println(x.bippy("42")) + } +} diff --git a/tests/untried/neg/t6357.check b/tests/untried/neg/t6357.check new file mode 100644 index 000000000..a534d1439 --- /dev/null +++ b/tests/untried/neg/t6357.check @@ -0,0 +1,4 @@ +t6357.scala:3: error: value class may not be a local class + final class Y(val j: Int) extends AnyVal + ^ +one error found diff --git a/tests/untried/neg/t6357.scala b/tests/untried/neg/t6357.scala new file mode 100644 index 000000000..47f562963 --- /dev/null +++ b/tests/untried/neg/t6357.scala @@ -0,0 +1,6 @@ +object K { + def q = { + final class Y(val j: Int) extends AnyVal + 3 + } +} diff --git a/tests/untried/neg/t6359.check b/tests/untried/neg/t6359.check new file mode 100644 index 000000000..5bcdc5733 --- /dev/null +++ b/tests/untried/neg/t6359.check @@ -0,0 +1,9 @@ +t6359.scala:3: error: implementation restriction: nested object is not allowed in value class +This restriction is planned to be removed in subsequent releases. + object X + ^ +t6359.scala:4: error: implementation restriction: nested class is not allowed in value class +This restriction is planned to be removed in subsequent releases. + class Y + ^ +two errors found diff --git a/tests/untried/neg/t6359.scala b/tests/untried/neg/t6359.scala new file mode 100644 index 000000000..96550fd90 --- /dev/null +++ b/tests/untried/neg/t6359.scala @@ -0,0 +1,8 @@ +class M(val t: Int) extends AnyVal { + def lazyString = { + object X + class Y + + () => {X; new Y} + } +} diff --git a/tests/untried/neg/t6375.check b/tests/untried/neg/t6375.check new file mode 100644 index 000000000..89d7d8060 --- /dev/null +++ b/tests/untried/neg/t6375.check @@ -0,0 +1,27 @@ +t6375.scala:6: warning: no valid targets for annotation on value x1 - it is discarded unused. You may specify targets with meta-annotations, e.g. @(Bippy @getter) + @Bippy val x1: Int // warn + ^ +t6375.scala:7: warning: no valid targets for annotation on value x2 - it is discarded unused. You may specify targets with meta-annotations, e.g. @(Bippy @scala.annotation.meta.field @getter) + @(Bippy @field) val x2: Int // warn + ^ +t6375.scala:9: warning: no valid targets for annotation on value x4 - it is discarded unused. You may specify targets with meta-annotations, e.g. @(Bippy @scala.annotation.meta.setter @getter) + @(Bippy @setter) val x4: Int // warn + ^ +t6375.scala:10: warning: no valid targets for annotation on value x5 - it is discarded unused. You may specify targets with meta-annotations, e.g. @(Bippy @scala.annotation.meta.param @getter) + @(Bippy @param) val x5: Int // warn + ^ +t6375.scala:20: warning: no valid targets for annotation on value q1 - it is discarded unused. You may specify targets with meta-annotations, e.g. @(Bippy @scala.annotation.meta.getter @field) + @(Bippy @getter) private[this] val q1: Int = 1 // warn + ^ +t6375.scala:40: warning: no valid targets for annotation on value p2 - it is discarded unused. You may specify targets with meta-annotations, e.g. @(Bippy @scala.annotation.meta.getter @param) + @(Bippy @getter) p2: Int, // warn + ^ +t6375.scala:41: warning: no valid targets for annotation on value p3 - it is discarded unused. You may specify targets with meta-annotations, e.g. @(Bippy @scala.annotation.meta.setter @param) + @(Bippy @setter) p3: Int, // warn + ^ +t6375.scala:42: warning: no valid targets for annotation on value p4 - it is discarded unused. You may specify targets with meta-annotations, e.g. @(Bippy @scala.annotation.meta.field @param) + @(Bippy @field) p4: Int // warn + ^ +error: No warnings can be incurred under -Xfatal-warnings. +8 warnings found +one error found diff --git a/tests/untried/neg/t6375.flags b/tests/untried/neg/t6375.flags new file mode 100644 index 000000000..85d8eb2ba --- /dev/null +++ b/tests/untried/neg/t6375.flags @@ -0,0 +1 @@ +-Xfatal-warnings diff --git a/tests/untried/neg/t6375.scala b/tests/untried/neg/t6375.scala new file mode 100644 index 000000000..21634df68 --- /dev/null +++ b/tests/untried/neg/t6375.scala @@ -0,0 +1,67 @@ +import scala.annotation.meta._ + +class Bippy extends scala.annotation.StaticAnnotation + +abstract class Foo { + @Bippy val x1: Int // warn + @(Bippy @field) val x2: Int // warn + @(Bippy @getter) val x3: Int // no warn + @(Bippy @setter) val x4: Int // warn + @(Bippy @param) val x5: Int // warn +} + +object Bar extends Foo { + val x1 = 1 + val x2 = 2 + val x3 = 3 + val x4 = 4 + val x5 = 5 + + @(Bippy @getter) private[this] val q1: Int = 1 // warn + @(Bippy @getter) private val q2: Int = 1 // no warn + + def f1(@(Bippy @param) x: Int): Int = 0 // no warn + def f2(@(Bippy @getter) x: Int): Int = 0 // warn - todo + def f3(@(Bippy @setter) x: Int): Int = 0 // warn - todo + def f4(@(Bippy @field) x: Int): Int = 0 // warn - todo + def f5(@Bippy x: Int): Int = 0 // no warn + + @(Bippy @companionClass) def g1(x: Int): Int = 0 // warn - todo + @(Bippy @companionObject) def g2(x: Int): Int = 0 // warn - todo + @(Bippy @companionMethod) def g3(x: Int): Int = 0 // no warn + @Bippy def g4(x: Int): Int = 0 // no warn + + @(Bippy @companionObject @companionMethod) def g5(x: Int): Int = 0 // no warn +} + +class Dingo( + @Bippy p0: Int, // no warn + @(Bippy @param) p1: Int, // no warn + @(Bippy @getter) p2: Int, // warn + @(Bippy @setter) p3: Int, // warn + @(Bippy @field) p4: Int // warn +) + +class ValDingo( + @Bippy val p0: Int, // no warn + @(Bippy @param) val p1: Int, // no warn + @(Bippy @getter) val p2: Int, // no warn + @(Bippy @setter) val p3: Int, // warn - todo + @(Bippy @field) val p4: Int // no warn +) + +class VarDingo( + @Bippy var p0: Int, // no warn + @(Bippy @param) var p1: Int, // no warn + @(Bippy @getter) var p2: Int, // no warn + @(Bippy @setter) var p3: Int, // no warn + @(Bippy @field) var p4: Int // no warn +) + +case class CaseDingo( + @Bippy p0: Int, // no warn + @(Bippy @param) p1: Int, // no warn + @(Bippy @getter) p2: Int, // no warn + @(Bippy @setter) p3: Int, // warn - todo + @(Bippy @field) p4: Int // no warn +) diff --git a/tests/untried/neg/t639.check b/tests/untried/neg/t639.check new file mode 100644 index 000000000..6d41d872d --- /dev/null +++ b/tests/untried/neg/t639.check @@ -0,0 +1,7 @@ +t639.scala:3: error: not found: object a +import a._ + ^ +t639.scala:5: error: not found: type B +@B + ^ +two errors found diff --git a/tests/untried/neg/t639.scala b/tests/untried/neg/t639.scala new file mode 100644 index 000000000..eaeed944a --- /dev/null +++ b/tests/untried/neg/t639.scala @@ -0,0 +1,6 @@ +package foo123 + +import a._ + +@B +class C diff --git a/tests/untried/neg/t6406-regextract.check b/tests/untried/neg/t6406-regextract.check new file mode 100644 index 000000000..19425a68b --- /dev/null +++ b/tests/untried/neg/t6406-regextract.check @@ -0,0 +1,6 @@ +t6406-regextract.scala:4: warning: method unapplySeq in class Regex is deprecated: Extracting a match result from anything but a CharSequence or Match is deprecated + List(1) collect { case r(i) => i } + ^ +error: No warnings can be incurred under -Xfatal-warnings. +one warning found +one error found diff --git a/tests/untried/neg/t6406-regextract.flags b/tests/untried/neg/t6406-regextract.flags new file mode 100644 index 000000000..7de3c0f3e --- /dev/null +++ b/tests/untried/neg/t6406-regextract.flags @@ -0,0 +1 @@ +-Xfatal-warnings -deprecation diff --git a/tests/untried/neg/t6406-regextract.scala b/tests/untried/neg/t6406-regextract.scala new file mode 100644 index 000000000..0f5dad908 --- /dev/null +++ b/tests/untried/neg/t6406-regextract.scala @@ -0,0 +1,5 @@ + +object Test extends App { + val r = "(\\d+)".r + List(1) collect { case r(i) => i } +} diff --git a/tests/untried/neg/t6436.check b/tests/untried/neg/t6436.check new file mode 100644 index 000000000..5cee6fb55 --- /dev/null +++ b/tests/untried/neg/t6436.check @@ -0,0 +1,10 @@ +t6436.scala:8: error: type mismatch; + found : StringContext + required: ?{def q: ?} +Note that implicit conversions are not applicable because they are ambiguous: + both method foo1 in object quasiquotes of type (ctx: StringContext)AnyRef{def q: Nothing} + and method foo2 in object quasiquotes of type (ctx: StringContext)AnyRef{def q: Nothing} + are possible conversion functions from StringContext to ?{def q: ?} + println(q"a") + ^ +one error found diff --git a/tests/untried/neg/t6436.scala b/tests/untried/neg/t6436.scala new file mode 100644 index 000000000..2c4050253 --- /dev/null +++ b/tests/untried/neg/t6436.scala @@ -0,0 +1,9 @@ +object quasiquotes { + implicit def foo1(ctx: StringContext) = new { def q = ??? } + implicit def foo2(ctx: StringContext) = new { def q = ??? } +} + +object Test extends App { + import quasiquotes._ + println(q"a") +} diff --git a/tests/untried/neg/t6436b.check b/tests/untried/neg/t6436b.check new file mode 100644 index 000000000..21ab972b7 --- /dev/null +++ b/tests/untried/neg/t6436b.check @@ -0,0 +1,10 @@ +t6436b.scala:8: error: type mismatch; + found : StringContext + required: ?{def q: ?} +Note that implicit conversions are not applicable because they are ambiguous: + both method foo1 in object quasiquotes of type (ctx: StringContext)AnyRef{def q: Nothing} + and method foo2 in object quasiquotes of type (ctx: StringContext)AnyRef{def q: Nothing} + are possible conversion functions from StringContext to ?{def q: ?} + println(StringContext("a").q()) + ^ +one error found diff --git a/tests/untried/neg/t6436b.scala b/tests/untried/neg/t6436b.scala new file mode 100644 index 000000000..8023329e9 --- /dev/null +++ b/tests/untried/neg/t6436b.scala @@ -0,0 +1,9 @@ +object quasiquotes { + implicit def foo1(ctx: StringContext) = new { def q = ??? } + implicit def foo2(ctx: StringContext) = new { def q = ??? } +} + +object Test extends App { + import quasiquotes._ + println(StringContext("a").q()) +} diff --git a/tests/untried/neg/t6443c.check b/tests/untried/neg/t6443c.check new file mode 100644 index 000000000..7b7f419f6 --- /dev/null +++ b/tests/untried/neg/t6443c.check @@ -0,0 +1,7 @@ +t6443c.scala:16: error: double definition: +def foo(d: B.D)(a: Any,d2: d.type): Unit at line 11 and +def foo(d: B.D)(a: Any)(d2: d.type): Unit at line 16 +have same type after erasure: (d: B.D, a: Object, d2: B.D)Unit + def foo(d: D)(a: Any)(d2: d.type): Unit = () + ^ +one error found diff --git a/tests/untried/neg/t6443c.scala b/tests/untried/neg/t6443c.scala new file mode 100644 index 000000000..817224e04 --- /dev/null +++ b/tests/untried/neg/t6443c.scala @@ -0,0 +1,21 @@ +trait A { + type D >: Null <: C + def foo(d: D)(a: Any, d2: d.type): Unit + trait C { + def bar: Unit = foo(null)(null, null) + } +} +object B extends A { + class D extends C + + def foo(d: D)(a: Any, d2: d.type): Unit = () // Bridge method required here! + + // No bridge method should be added, but we'll be happy enough if + // the "same type after erasure" error kicks in before the duplicated + // bridge causes a problem. + def foo(d: D)(a: Any)(d2: d.type): Unit = () +} + +object Test extends App { + new B.D().bar +} diff --git a/tests/untried/neg/t6446-additional.check b/tests/untried/neg/t6446-additional.check new file mode 100755 index 000000000..a87af2f1e --- /dev/null +++ b/tests/untried/neg/t6446-additional.check @@ -0,0 +1,39 @@ + phase name id description + ---------- -- ----------- + parser 1 parse source into ASTs, perform simple desugaring + namer 2 resolve names, attach symbols to named trees +packageobjects 3 load package objects + typer 4 the meat and potatoes: type the trees + patmat 5 translate match expressions +superaccessors 6 add super accessors in traits and nested classes + extmethods 7 add extension methods for inline classes + pickler 8 serialize symbol tables + refchecks 9 reference/override checking, translate nested objects + uncurry 10 uncurry, translate function values to anonymous classes + tailcalls 11 replace tail calls by jumps + specialize 12 @specialized-driven class and method specialization + explicitouter 13 this refs to outer pointers + erasure 14 erase types, add interfaces for traits + posterasure 15 clean up erased inline classes + lazyvals 16 allocate bitmaps, translate lazy vals into lazified defs + lambdalift 17 move nested functions to top level + constructors 18 move field definitions into constructors + flatten 19 eliminate inner classes + mixin 20 mixin composition + cleanup 21 platform-specific cleanups, generate reflective calls + delambdafy 22 remove lambdas + icode 23 generate portable intermediate code +#partest -optimise + inliner 24 optimization: do inlining +inlinehandlers 25 optimization: inline exception handlers + closelim 26 optimization: eliminate uncalled closures + constopt 27 optimization: optimize null and other constants + dce 28 optimization: eliminate dead code + jvm 29 generate JVM bytecode + ploogin 30 A sample phase that does so many things it's kind of hard... + terminal 31 the last phase during a compilation run +#partest !-optimise + jvm 24 generate JVM bytecode + ploogin 25 A sample phase that does so many things it's kind of hard... + terminal 26 the last phase during a compilation run +#partest diff --git a/tests/untried/neg/t6446-additional/ploogin_1.scala b/tests/untried/neg/t6446-additional/ploogin_1.scala new file mode 100644 index 000000000..dbf433f9a --- /dev/null +++ b/tests/untried/neg/t6446-additional/ploogin_1.scala @@ -0,0 +1,31 @@ + +package t6446 + +import scala.tools.nsc.{ Global, Phase } +import scala.tools.nsc.plugins.{ Plugin, PluginComponent } +import scala.reflect.io.Path +import scala.reflect.io.File + +/** A test plugin. */ +class Ploogin(val global: Global) extends Plugin { + import global._ + + val name = "ploogin" + val description = "A sample plugin for testing." + val components = List[PluginComponent](TestComponent) + + private object TestComponent extends PluginComponent { + val global: Ploogin.this.global.type = Ploogin.this.global + //override val runsBefore = List("refchecks") + val runsAfter = List("jvm") + val phaseName = Ploogin.this.name + override def description = "A sample phase that does so many things it's kind of hard to describe briefly." + def newPhase(prev: Phase) = new TestPhase(prev) + class TestPhase(prev: Phase) extends StdPhase(prev) { + override def description = TestComponent.this.description + def apply(unit: CompilationUnit): Unit = { + // kewl kode + } + } + } +} diff --git a/tests/untried/neg/t6446-additional/sample_2.flags b/tests/untried/neg/t6446-additional/sample_2.flags new file mode 100644 index 000000000..4d518c228 --- /dev/null +++ b/tests/untried/neg/t6446-additional/sample_2.flags @@ -0,0 +1 @@ +-Xplugin:. -Xshow-phases diff --git a/tests/untried/neg/t6446-additional/sample_2.scala b/tests/untried/neg/t6446-additional/sample_2.scala new file mode 100644 index 000000000..73cdc64e4 --- /dev/null +++ b/tests/untried/neg/t6446-additional/sample_2.scala @@ -0,0 +1,6 @@ + +package sample + +// just a sample that is compiled with the sample plugin enabled +object Sample extends App { +} diff --git a/tests/untried/neg/t6446-additional/scalac-plugin.xml b/tests/untried/neg/t6446-additional/scalac-plugin.xml new file mode 100644 index 000000000..e849bb591 --- /dev/null +++ b/tests/untried/neg/t6446-additional/scalac-plugin.xml @@ -0,0 +1,4 @@ +<plugin> +<name>sample-plugin</name> +<classname>t6446.Ploogin</classname> +</plugin> diff --git a/tests/untried/neg/t6446-list.check b/tests/untried/neg/t6446-list.check new file mode 100755 index 000000000..fa5c58194 --- /dev/null +++ b/tests/untried/neg/t6446-list.check @@ -0,0 +1 @@ +ploogin - A sample plugin for testing. diff --git a/tests/untried/neg/t6446-list/ploogin_1.scala b/tests/untried/neg/t6446-list/ploogin_1.scala new file mode 100644 index 000000000..dbf433f9a --- /dev/null +++ b/tests/untried/neg/t6446-list/ploogin_1.scala @@ -0,0 +1,31 @@ + +package t6446 + +import scala.tools.nsc.{ Global, Phase } +import scala.tools.nsc.plugins.{ Plugin, PluginComponent } +import scala.reflect.io.Path +import scala.reflect.io.File + +/** A test plugin. */ +class Ploogin(val global: Global) extends Plugin { + import global._ + + val name = "ploogin" + val description = "A sample plugin for testing." + val components = List[PluginComponent](TestComponent) + + private object TestComponent extends PluginComponent { + val global: Ploogin.this.global.type = Ploogin.this.global + //override val runsBefore = List("refchecks") + val runsAfter = List("jvm") + val phaseName = Ploogin.this.name + override def description = "A sample phase that does so many things it's kind of hard to describe briefly." + def newPhase(prev: Phase) = new TestPhase(prev) + class TestPhase(prev: Phase) extends StdPhase(prev) { + override def description = TestComponent.this.description + def apply(unit: CompilationUnit): Unit = { + // kewl kode + } + } + } +} diff --git a/tests/untried/neg/t6446-list/sample_2.flags b/tests/untried/neg/t6446-list/sample_2.flags new file mode 100644 index 000000000..9cb323296 --- /dev/null +++ b/tests/untried/neg/t6446-list/sample_2.flags @@ -0,0 +1 @@ +-Xplugin:. -Xplugin-list diff --git a/tests/untried/neg/t6446-list/sample_2.scala b/tests/untried/neg/t6446-list/sample_2.scala new file mode 100644 index 000000000..73cdc64e4 --- /dev/null +++ b/tests/untried/neg/t6446-list/sample_2.scala @@ -0,0 +1,6 @@ + +package sample + +// just a sample that is compiled with the sample plugin enabled +object Sample extends App { +} diff --git a/tests/untried/neg/t6446-list/scalac-plugin.xml b/tests/untried/neg/t6446-list/scalac-plugin.xml new file mode 100644 index 000000000..e849bb591 --- /dev/null +++ b/tests/untried/neg/t6446-list/scalac-plugin.xml @@ -0,0 +1,4 @@ +<plugin> +<name>sample-plugin</name> +<classname>t6446.Ploogin</classname> +</plugin> diff --git a/tests/untried/neg/t6446-missing.check b/tests/untried/neg/t6446-missing.check new file mode 100755 index 000000000..029c8057c --- /dev/null +++ b/tests/untried/neg/t6446-missing.check @@ -0,0 +1,38 @@ +Error: unable to load class: t6446.Ploogin + phase name id description + ---------- -- ----------- + parser 1 parse source into ASTs, perform simple desugaring + namer 2 resolve names, attach symbols to named trees +packageobjects 3 load package objects + typer 4 the meat and potatoes: type the trees + patmat 5 translate match expressions +superaccessors 6 add super accessors in traits and nested classes + extmethods 7 add extension methods for inline classes + pickler 8 serialize symbol tables + refchecks 9 reference/override checking, translate nested objects + uncurry 10 uncurry, translate function values to anonymous classes + tailcalls 11 replace tail calls by jumps + specialize 12 @specialized-driven class and method specialization + explicitouter 13 this refs to outer pointers + erasure 14 erase types, add interfaces for traits + posterasure 15 clean up erased inline classes + lazyvals 16 allocate bitmaps, translate lazy vals into lazified defs + lambdalift 17 move nested functions to top level + constructors 18 move field definitions into constructors + flatten 19 eliminate inner classes + mixin 20 mixin composition + cleanup 21 platform-specific cleanups, generate reflective calls + delambdafy 22 remove lambdas + icode 23 generate portable intermediate code +#partest !-optimise + jvm 24 generate JVM bytecode + terminal 25 the last phase during a compilation run +#partest -optimise + inliner 24 optimization: do inlining +inlinehandlers 25 optimization: inline exception handlers + closelim 26 optimization: eliminate uncalled closures + constopt 27 optimization: optimize null and other constants + dce 28 optimization: eliminate dead code + jvm 29 generate JVM bytecode + terminal 30 the last phase during a compilation run +#partest diff --git a/tests/untried/neg/t6446-missing/sample_2.flags b/tests/untried/neg/t6446-missing/sample_2.flags new file mode 100644 index 000000000..4d518c228 --- /dev/null +++ b/tests/untried/neg/t6446-missing/sample_2.flags @@ -0,0 +1 @@ +-Xplugin:. -Xshow-phases diff --git a/tests/untried/neg/t6446-missing/sample_2.scala b/tests/untried/neg/t6446-missing/sample_2.scala new file mode 100644 index 000000000..73cdc64e4 --- /dev/null +++ b/tests/untried/neg/t6446-missing/sample_2.scala @@ -0,0 +1,6 @@ + +package sample + +// just a sample that is compiled with the sample plugin enabled +object Sample extends App { +} diff --git a/tests/untried/neg/t6446-missing/scalac-plugin.xml b/tests/untried/neg/t6446-missing/scalac-plugin.xml new file mode 100644 index 000000000..9c34d63f8 --- /dev/null +++ b/tests/untried/neg/t6446-missing/scalac-plugin.xml @@ -0,0 +1,4 @@ +<plugin> +<name>missing-plugin</name> +<classname>t6446.Ploogin</classname> +</plugin> diff --git a/tests/untried/neg/t6446-show-phases.check b/tests/untried/neg/t6446-show-phases.check new file mode 100644 index 000000000..3ae3f96ef --- /dev/null +++ b/tests/untried/neg/t6446-show-phases.check @@ -0,0 +1,37 @@ + phase name id description + ---------- -- ----------- + parser 1 parse source into ASTs, perform simple desugaring + namer 2 resolve names, attach symbols to named trees +packageobjects 3 load package objects + typer 4 the meat and potatoes: type the trees + patmat 5 translate match expressions +superaccessors 6 add super accessors in traits and nested classes + extmethods 7 add extension methods for inline classes + pickler 8 serialize symbol tables + refchecks 9 reference/override checking, translate nested objects + uncurry 10 uncurry, translate function values to anonymous classes + tailcalls 11 replace tail calls by jumps + specialize 12 @specialized-driven class and method specialization + explicitouter 13 this refs to outer pointers + erasure 14 erase types, add interfaces for traits + posterasure 15 clean up erased inline classes + lazyvals 16 allocate bitmaps, translate lazy vals into lazified defs + lambdalift 17 move nested functions to top level + constructors 18 move field definitions into constructors + flatten 19 eliminate inner classes + mixin 20 mixin composition + cleanup 21 platform-specific cleanups, generate reflective calls + delambdafy 22 remove lambdas + icode 23 generate portable intermediate code +#partest !-optimise + jvm 24 generate JVM bytecode + terminal 25 the last phase during a compilation run +#partest -optimise + inliner 24 optimization: do inlining +inlinehandlers 25 optimization: inline exception handlers + closelim 26 optimization: eliminate uncalled closures + constopt 27 optimization: optimize null and other constants + dce 28 optimization: eliminate dead code + jvm 29 generate JVM bytecode + terminal 30 the last phase during a compilation run +#partest diff --git a/tests/untried/neg/t6446-show-phases.flags b/tests/untried/neg/t6446-show-phases.flags new file mode 100644 index 000000000..845666e10 --- /dev/null +++ b/tests/untried/neg/t6446-show-phases.flags @@ -0,0 +1 @@ +-Xshow-phases diff --git a/tests/untried/neg/t6446-show-phases.scala b/tests/untried/neg/t6446-show-phases.scala new file mode 100644 index 000000000..a9afb042d --- /dev/null +++ b/tests/untried/neg/t6446-show-phases.scala @@ -0,0 +1,3 @@ + +// testing compiler flag output only +object Test extends App diff --git a/tests/untried/neg/t6455.check b/tests/untried/neg/t6455.check new file mode 100644 index 000000000..8f2aad0b9 --- /dev/null +++ b/tests/untried/neg/t6455.check @@ -0,0 +1,4 @@ +t6455.scala:5: error: value withFilter is not a member of object O + O.withFilter(f => true) + ^ +one error found diff --git a/tests/untried/neg/t6455.flags b/tests/untried/neg/t6455.flags new file mode 100644 index 000000000..112fc720a --- /dev/null +++ b/tests/untried/neg/t6455.flags @@ -0,0 +1 @@ +-Xfuture
\ No newline at end of file diff --git a/tests/untried/neg/t6455.scala b/tests/untried/neg/t6455.scala new file mode 100644 index 000000000..f62be3eb0 --- /dev/null +++ b/tests/untried/neg/t6455.scala @@ -0,0 +1,6 @@ +object O { def filter(p: Int => Boolean): O.type = this } + +class Test { + // should not compile because we no longer rewrite withFilter => filter under -Xfuture + O.withFilter(f => true) +} diff --git a/tests/untried/neg/t6483.check b/tests/untried/neg/t6483.check new file mode 100644 index 000000000..66e350710 --- /dev/null +++ b/tests/untried/neg/t6483.check @@ -0,0 +1,9 @@ +t6483.scala:7: error: implementation restriction: qualified super reference is not allowed in value class +This restriction is planned to be removed in subsequent releases. + override def foo = super[T].foo // error + ^ +t6483.scala:20: error: implementation restriction: nested class is not allowed in value class +This restriction is planned to be removed in subsequent releases. + class Inner extends T { + ^ +two errors found diff --git a/tests/untried/neg/t6483.scala b/tests/untried/neg/t6483.scala new file mode 100644 index 000000000..3d6713db4 --- /dev/null +++ b/tests/untried/neg/t6483.scala @@ -0,0 +1,24 @@ +trait T extends Any { + def foo = 1 + type X +} + +class C1(val a: Any) extends AnyVal with T { + override def foo = super[T].foo // error +} + +class C2(val a: Int) extends AnyVal with T { + override def foo = super.foo + a // okay +} + +class C3(val a: Int) extends AnyVal with T { + override def foo = C3.super.foo + a // okay +} + +class C4(val a: Int) extends AnyVal with T { + def foo: Unit = { + class Inner extends T { + override def foo = super[T].foo + a // no (direct) error, other than that a nested class is currently illegal. + } + } +} diff --git a/tests/untried/neg/t649.check b/tests/untried/neg/t649.check new file mode 100644 index 000000000..5a270d475 --- /dev/null +++ b/tests/untried/neg/t649.check @@ -0,0 +1,4 @@ +t649.scala:3: error: overloaded method foo needs result type + def foo[A] = foo[A] + ^ +one error found diff --git a/tests/untried/neg/t649.scala b/tests/untried/neg/t649.scala new file mode 100644 index 000000000..2519eb5cf --- /dev/null +++ b/tests/untried/neg/t649.scala @@ -0,0 +1,4 @@ +object test { + def foo[A] = 0 + def foo[A] = foo[A] +} diff --git a/tests/untried/neg/t650.check b/tests/untried/neg/t650.check new file mode 100644 index 000000000..320ae6670 --- /dev/null +++ b/tests/untried/neg/t650.check @@ -0,0 +1,4 @@ +t650.scala:4: error: missing type arguments +trait Test2 extends LinkedList; + ^ +one error found diff --git a/tests/untried/neg/t650.scala b/tests/untried/neg/t650.scala new file mode 100644 index 000000000..cdb4b3da4 --- /dev/null +++ b/tests/untried/neg/t650.scala @@ -0,0 +1,4 @@ +// test/Test2.scala +package test; +import scala.collection.mutable._; +trait Test2 extends LinkedList; diff --git a/tests/untried/neg/t6526.check b/tests/untried/neg/t6526.check new file mode 100644 index 000000000..606c18c30 --- /dev/null +++ b/tests/untried/neg/t6526.check @@ -0,0 +1,16 @@ +t6526.scala:8: error: could not optimize @tailrec annotated method inner: it contains a recursive call not in tail position + @tailrec def inner(i: Int): Int = 1 + inner(i) + ^ +t6526.scala:14: error: could not optimize @tailrec annotated method inner: it contains a recursive call not in tail position + @tailrec def inner(i: Int): Int = 1 + inner(i) + ^ +t6526.scala:20: error: could not optimize @tailrec annotated method inner: it contains a recursive call not in tail position + @tailrec def inner(i: Int): Int = 1 + inner(i) + ^ +t6526.scala:30: error: could not optimize @tailrec annotated method inner: it contains a recursive call not in tail position + @tailrec def inner(i: Int): Int = 1 + inner(i) + ^ +t6526.scala:39: error: could not optimize @tailrec annotated method inner: it contains a recursive call not in tail position + def inner(i: Int): Int = 1 + inner(i) + ^ +5 errors found diff --git a/tests/untried/neg/t6526.scala b/tests/untried/neg/t6526.scala new file mode 100644 index 000000000..0bc249aa9 --- /dev/null +++ b/tests/untried/neg/t6526.scala @@ -0,0 +1,41 @@ +import scala.annotation.tailrec + +class TailRec { + def bar(f: => Any) = "" + + // transform the qualifier of a Select + bar { + @tailrec def inner(i: Int): Int = 1 + inner(i) + inner(0) + }.length + + // transform the body of a function + () => { + @tailrec def inner(i: Int): Int = 1 + inner(i) + inner(0) + } + + // transform the qualifier of a Select + { + @tailrec def inner(i: Int): Int = 1 + inner(i) + inner(0) + "" + }.length + + // The receiver of a tail recursive call must itself be transformed + object X { + @tailrec // okay, all other annotated methods should fail. + def foo: Any = { + { + @tailrec def inner(i: Int): Int = 1 + inner(i) + inner(0) + this + }.foo + } + } + + Some(new AnyRef) map { phooie => + @tailrec + def inner(i: Int): Int = 1 + inner(i) + } getOrElse 42 +} diff --git a/tests/untried/neg/t6534.check b/tests/untried/neg/t6534.check new file mode 100644 index 000000000..c2e80b377 --- /dev/null +++ b/tests/untried/neg/t6534.check @@ -0,0 +1,10 @@ +t6534.scala:6: error: redefinition of equals method. See SIP-15, criterion 4. is not allowed in value class +class Bippy3(val x: Int) extends AnyVal { override def equals(x: Any) = false } // error + ^ +t6534.scala:7: error: redefinition of hashCode method. See SIP-15, criterion 4. is not allowed in value class +class Bippy4(val x: Int) extends AnyVal { override def hashCode = -1 } // error + ^ +t6534.scala:9: error: redefinition of equals method. See SIP-15, criterion 4. is not allowed in value class +case class Bippy6(val x: Int) extends AnyVal { override def productPrefix = "Dingo" ; override def equals(x: Any) = false } // error + ^ +three errors found diff --git a/tests/untried/neg/t6534.flags b/tests/untried/neg/t6534.flags new file mode 100644 index 000000000..1008b0a70 --- /dev/null +++ b/tests/untried/neg/t6534.flags @@ -0,0 +1 @@ +-Xlint diff --git a/tests/untried/neg/t6534.scala b/tests/untried/neg/t6534.scala new file mode 100644 index 000000000..de588b69a --- /dev/null +++ b/tests/untried/neg/t6534.scala @@ -0,0 +1,10 @@ +trait Foo extends Any { override def equals(x: Any) = false } +trait Ding extends Any { override def hashCode = -1 } + +class Bippy1(val x: Int) extends AnyVal with Foo { } // warn +class Bippy2(val x: Int) extends AnyVal with Ding { } // warn +class Bippy3(val x: Int) extends AnyVal { override def equals(x: Any) = false } // error +class Bippy4(val x: Int) extends AnyVal { override def hashCode = -1 } // error +case class Bippy5(val x: Int) extends AnyVal { override def productPrefix = "Dingo" } // nothing +case class Bippy6(val x: Int) extends AnyVal { override def productPrefix = "Dingo" ; override def equals(x: Any) = false } // error + diff --git a/tests/untried/neg/t6535.check b/tests/untried/neg/t6535.check new file mode 100644 index 000000000..1225ea70d --- /dev/null +++ b/tests/untried/neg/t6535.check @@ -0,0 +1,6 @@ +t6535.scala:2: error: encountered unrecoverable cycle resolving import. +Note: this is often due in part to a class depending on a definition nested within its companion. +If applicable, you may wish to try moving some members into another object. + import Bs.B._ + ^ +one error found diff --git a/tests/untried/neg/t6535.scala b/tests/untried/neg/t6535.scala new file mode 100644 index 000000000..30a750311 --- /dev/null +++ b/tests/untried/neg/t6535.scala @@ -0,0 +1,15 @@ +object As { + import Bs.B._ + + object A + extends scala.AnyRef // needed for the cycle; + // replacing with a locally defined closs doesn't + // hit the locked import and hence doesn't cycle. +} + +object Bs { + import As.A._ + + object B + extends scala.AnyRef // scala.Immutable, ... +} diff --git a/tests/untried/neg/t6539.check b/tests/untried/neg/t6539.check new file mode 100644 index 000000000..8c94a8ad4 --- /dev/null +++ b/tests/untried/neg/t6539.check @@ -0,0 +1,16 @@ +Test_2.scala:2: error: cto may only be used as an argument to m + M.cto // error + ^ +Test_2.scala:3: error: cto may only be used as an argument to m + M.m(M.cto, ()) // error + ^ +Test_2.scala:5: error: cto may only be used as an argument to m + M.cto // error + ^ +Test_2.scala:9: error: splice must be enclosed within a reify {} block + val splice = expr.splice + ^ +Test_2.scala:10: error: cannot use value except for signatures of macro implementations + val value = expr.value + ^ +5 errors found diff --git a/tests/untried/neg/t6539/Macro_1.scala b/tests/untried/neg/t6539/Macro_1.scala new file mode 100644 index 000000000..60db669c4 --- /dev/null +++ b/tests/untried/neg/t6539/Macro_1.scala @@ -0,0 +1,10 @@ +import language.experimental.macros +import scala.reflect.macros.blackbox.Context + +object M { + def m(a: Any, b: Any): Any = macro mImpl + def mImpl(c: Context)(a: c.Expr[Any], b: c.Expr[Any]) = c.universe.reify(println(a.splice)) + + @reflect.internal.annotations.compileTimeOnly("cto may only be used as an argument to " + "m") + def cto = 0 +} diff --git a/tests/untried/neg/t6539/Test_2.scala b/tests/untried/neg/t6539/Test_2.scala new file mode 100644 index 000000000..26f450422 --- /dev/null +++ b/tests/untried/neg/t6539/Test_2.scala @@ -0,0 +1,12 @@ +object Test { + M.cto // error + M.m(M.cto, ()) // error + M.m((), M.cto) // okay + M.cto // error + + locally { + val expr = scala.reflect.runtime.universe.reify(2) + val splice = expr.splice + val value = expr.value + } +} diff --git a/tests/untried/neg/t6558.check b/tests/untried/neg/t6558.check new file mode 100644 index 000000000..6ad3cecd5 --- /dev/null +++ b/tests/untried/neg/t6558.check @@ -0,0 +1,10 @@ +t6558.scala:4: error: not found: type classs + @classs + ^ +t6558.scala:7: error: not found: type typeparam + class D[@typeparam T] + ^ +t6558.scala:10: error: not found: type valueparam + @valueparam x: Any + ^ +three errors found diff --git a/tests/untried/neg/t6558.scala b/tests/untried/neg/t6558.scala new file mode 100644 index 000000000..b4304ff68 --- /dev/null +++ b/tests/untried/neg/t6558.scala @@ -0,0 +1,12 @@ +class AnnotNotFound { + def foo(a: Any) = () + + @classs + class C + + class D[@typeparam T] + + class E( + @valueparam x: Any + ) +} diff --git a/tests/untried/neg/t6558b.check b/tests/untried/neg/t6558b.check new file mode 100644 index 000000000..cfa384fc0 --- /dev/null +++ b/tests/untried/neg/t6558b.check @@ -0,0 +1,7 @@ +t6558b.scala:5: error: not found: type inargument + @inargument + ^ +t6558b.scala:11: error: not found: type infunction + @infunction + ^ +two errors found diff --git a/tests/untried/neg/t6558b.scala b/tests/untried/neg/t6558b.scala new file mode 100644 index 000000000..2aa06f69c --- /dev/null +++ b/tests/untried/neg/t6558b.scala @@ -0,0 +1,15 @@ +class AnnotNotFound { + def foo(a: Any) = () + + foo { + @inargument + def foo = 0 + foo + } + + () => { + @infunction + def foo = 0 + () + } +} diff --git a/tests/untried/neg/t6563.check b/tests/untried/neg/t6563.check new file mode 100644 index 000000000..75dca1507 --- /dev/null +++ b/tests/untried/neg/t6563.check @@ -0,0 +1,4 @@ +t6563.scala:4: error: not found: value e + e("f") + ^ +one error found diff --git a/tests/untried/neg/t6563.scala b/tests/untried/neg/t6563.scala new file mode 100644 index 000000000..33db51b0f --- /dev/null +++ b/tests/untried/neg/t6563.scala @@ -0,0 +1,8 @@ +class A{ + def b(c: => Unit): Unit = {} + b{ + e("f") + new G()(){} + } +} +class G(h:String="i")() diff --git a/tests/untried/neg/t6566a.check b/tests/untried/neg/t6566a.check new file mode 100644 index 000000000..7668f9d2f --- /dev/null +++ b/tests/untried/neg/t6566a.check @@ -0,0 +1,4 @@ +t6566a.scala:2: error: covariant type T occurs in invariant position in type T of type MyType + class TypeCheat[+T] { type MyType = T } + ^ +one error found diff --git a/tests/untried/neg/t6566a.scala b/tests/untried/neg/t6566a.scala new file mode 100644 index 000000000..74a0b38e5 --- /dev/null +++ b/tests/untried/neg/t6566a.scala @@ -0,0 +1,17 @@ +object WhatsYourTypeIsMyType { + class TypeCheat[+T] { type MyType = T } + + class Foo { + val tc = new TypeCheat[Foo] + var x: tc.MyType = _ + def setX() = x = new Foo + } + class Bar extends Foo { + override val tc = new TypeCheat[Bar] + def unsound = this + + setX() + println(x.unsound) + } + def main(args: Array[String]): Unit = new Bar +} diff --git a/tests/untried/neg/t6566b.check b/tests/untried/neg/t6566b.check new file mode 100644 index 000000000..fb3fe81fc --- /dev/null +++ b/tests/untried/neg/t6566b.check @@ -0,0 +1,4 @@ +t6566b.scala:3: error: covariant type T occurs in invariant position in type T of type MyType + type MyType = T + ^ +one error found diff --git a/tests/untried/neg/t6566b.scala b/tests/untried/neg/t6566b.scala new file mode 100644 index 000000000..0d488dbe8 --- /dev/null +++ b/tests/untried/neg/t6566b.scala @@ -0,0 +1,19 @@ +object WhatsYourTypeIsMyType { + trait WithMyType[+T] { + type MyType = T + } + + class Foo extends WithMyType[Foo] { + var x: MyType = _ + def setX() = x = new Foo + } + + class Bar extends Foo with WithMyType[Bar] { + def unsound: Unit = { println("iAmABar") } + + setX() + println(x.unsound) + } + + def main(args: Array[String]): Unit = new Bar +} diff --git a/tests/untried/neg/t6567.check b/tests/untried/neg/t6567.check new file mode 100644 index 000000000..a733d7535 --- /dev/null +++ b/tests/untried/neg/t6567.check @@ -0,0 +1,9 @@ +t6567.scala:8: warning: Suspicious application of an implicit view (Test.this.a2b) in the argument to Option.apply. + Option[B](a) + ^ +t6567.scala:10: warning: Suspicious application of an implicit view (Test.this.a2b) in the argument to Option.apply. + val b: Option[B] = Option(a) + ^ +error: No warnings can be incurred under -Xfatal-warnings. +two warnings found +one error found diff --git a/tests/untried/neg/t6567.flags b/tests/untried/neg/t6567.flags new file mode 100644 index 000000000..e93641e93 --- /dev/null +++ b/tests/untried/neg/t6567.flags @@ -0,0 +1 @@ +-Xlint -Xfatal-warnings
\ No newline at end of file diff --git a/tests/untried/neg/t6567.scala b/tests/untried/neg/t6567.scala new file mode 100644 index 000000000..650e5e39a --- /dev/null +++ b/tests/untried/neg/t6567.scala @@ -0,0 +1,11 @@ +class A +class B + +object Test { + val a: A = null + implicit def a2b(a: A) = new B + + Option[B](a) + + val b: Option[B] = Option(a) +} diff --git a/tests/untried/neg/t6574.check b/tests/untried/neg/t6574.check new file mode 100644 index 000000000..c67b4ed80 --- /dev/null +++ b/tests/untried/neg/t6574.check @@ -0,0 +1,7 @@ +t6574.scala:4: error: could not optimize @tailrec annotated method notTailPos$extension: it contains a recursive call not in tail position + println("tail") + ^ +t6574.scala:8: error: could not optimize @tailrec annotated method differentTypeArgs$extension: it is called recursively with different type arguments + {(); new Bad[String, Unit](0)}.differentTypeArgs + ^ +two errors found diff --git a/tests/untried/neg/t6574.scala b/tests/untried/neg/t6574.scala new file mode 100644 index 000000000..9e1d624e5 --- /dev/null +++ b/tests/untried/neg/t6574.scala @@ -0,0 +1,10 @@ +class Bad[X, Y](val v: Int) extends AnyVal { + @annotation.tailrec final def notTailPos[Z](a: Int)(b: String): Unit = { + this.notTailPos[Z](a)(b) + println("tail") + } + + @annotation.tailrec final def differentTypeArgs {: Unit = + {(); new Bad[String, Unit](0)}.differentTypeArgs + } +} diff --git a/tests/untried/neg/t6597.check b/tests/untried/neg/t6597.check new file mode 100644 index 000000000..1d52519d1 --- /dev/null +++ b/tests/untried/neg/t6597.check @@ -0,0 +1,4 @@ +t6597.scala:3: error: illegal combination of modifiers: implicit and case for: class Quux + implicit case class Quux(value: Int) extends AnyVal with T + ^ +one error found diff --git a/tests/untried/neg/t6597.scala b/tests/untried/neg/t6597.scala new file mode 100644 index 000000000..dde53bcc8 --- /dev/null +++ b/tests/untried/neg/t6597.scala @@ -0,0 +1,5 @@ +object Test { + trait T extends Any + implicit case class Quux(value: Int) extends AnyVal with T + object Quux +} diff --git a/tests/untried/neg/t6601.check b/tests/untried/neg/t6601.check new file mode 100644 index 000000000..1410e1b11 --- /dev/null +++ b/tests/untried/neg/t6601.check @@ -0,0 +1,4 @@ +AccessPrivateConstructor_2.scala:2: error: constructor PrivateConstructor in class PrivateConstructor cannot be accessed in class AccessPrivateConstructor + new PrivateConstructor("") // Scalac should forbid accessing to the private constructor! + ^ +one error found diff --git a/tests/untried/neg/t6601/AccessPrivateConstructor_2.scala b/tests/untried/neg/t6601/AccessPrivateConstructor_2.scala new file mode 100644 index 000000000..816bc10d7 --- /dev/null +++ b/tests/untried/neg/t6601/AccessPrivateConstructor_2.scala @@ -0,0 +1,3 @@ +class AccessPrivateConstructor { + new PrivateConstructor("") // Scalac should forbid accessing to the private constructor! +} diff --git a/tests/untried/neg/t6601/PrivateConstructor_1.scala b/tests/untried/neg/t6601/PrivateConstructor_1.scala new file mode 100644 index 000000000..f09d7ad06 --- /dev/null +++ b/tests/untried/neg/t6601/PrivateConstructor_1.scala @@ -0,0 +1 @@ +class PrivateConstructor private(val s: String) extends AnyVal diff --git a/tests/untried/neg/t663.check b/tests/untried/neg/t663.check new file mode 100644 index 000000000..633e27ee1 --- /dev/null +++ b/tests/untried/neg/t663.check @@ -0,0 +1,7 @@ +t663.scala:11: error: name clash between defined and inherited member: +def asMatch(node: Test.this.Matchable): Any in trait MatchableImpl and +def asMatch(m: Test.this.Node): Any at line 11 +have same type after erasure: (node: test.Test#NodeImpl)Object + def asMatch(m : Node) : Any = { + ^ +one error found diff --git a/tests/untried/neg/t663.scala b/tests/untried/neg/t663.scala new file mode 100644 index 000000000..797c4a300 --- /dev/null +++ b/tests/untried/neg/t663.scala @@ -0,0 +1,18 @@ +package test; +trait Test { + type Matchable <: Node with MatchableImpl; + trait MatchableImpl extends NodeImpl { + def asMatch(node : Matchable) : Any; + } + type Node <: NodeImpl; + trait NodeImpl; + trait CoreIfImpl extends MatchableImpl { + // NO_CRASH: def asMatch(m : Matchable) = { + def asMatch(m : Node) : Any = { + if (m.isInstanceOf[MatchableImpl]) { + null; + } else null; + // NO_CRASH: null; + } + } +} diff --git a/tests/untried/neg/t664.check b/tests/untried/neg/t664.check new file mode 100644 index 000000000..cbdf53dae --- /dev/null +++ b/tests/untried/neg/t664.check @@ -0,0 +1,7 @@ +t664.scala:4: error: type Foo is not a member of test.Test + trait Foo extends super.Foo { + ^ +t664.scala:5: error: type Bar is not a member of AnyRef + trait Bar extends super.Bar; + ^ +two errors found diff --git a/tests/untried/neg/t664.scala b/tests/untried/neg/t664.scala new file mode 100644 index 000000000..f3b8d0605 --- /dev/null +++ b/tests/untried/neg/t664.scala @@ -0,0 +1,7 @@ +package test; +abstract class Test; +trait Test2 extends Test { + trait Foo extends super.Foo { + trait Bar extends super.Bar; + } +} diff --git a/tests/untried/neg/t6663.check b/tests/untried/neg/t6663.check new file mode 100644 index 000000000..aa4faa4a4 --- /dev/null +++ b/tests/untried/neg/t6663.check @@ -0,0 +1,6 @@ +t6663.scala:16: error: type mismatch; + found : String + required: Int + var v = new C(42).foo[String].get :Int + ^ +one error found diff --git a/tests/untried/neg/t6663.scala b/tests/untried/neg/t6663.scala new file mode 100644 index 000000000..4a358dfbc --- /dev/null +++ b/tests/untried/neg/t6663.scala @@ -0,0 +1,19 @@ +import language.dynamics + +class C(v: Any) extends Dynamic { + def selectDynamic[T](n: String): Option[T] = Option(v.asInstanceOf[T]) + def applyDynamic[T](n: String)(): Option[T] = Option(v.asInstanceOf[T]) +} + +object Test extends App { + // this should be converted to + // C(42).selectDynamic[String]("foo").get + // causing a compile error. + + // but, before fixing SI-6663, became + // C(42).selectDynamic("foo").get, ignoring + // the [String] type parameter + var v = new C(42).foo[String].get :Int + println(v) +} + diff --git a/tests/untried/neg/t6666.check b/tests/untried/neg/t6666.check new file mode 100644 index 000000000..43c825275 --- /dev/null +++ b/tests/untried/neg/t6666.check @@ -0,0 +1,37 @@ +t6666.scala:23: error: Implementation restriction: access of method x$2 in object O1 from <$anon: Function0>, would require illegal premature access to object O1 + F.byname(x) + ^ +t6666.scala:30: error: Implementation restriction: access of value x$3 in object O2 from <$anon: Function0>, would require illegal premature access to object O2 + F.byname(x) + ^ +t6666.scala:37: error: Implementation restriction: access of method x$4 in object O3 from <$anon: Function0>, would require illegal premature access to object O3 + F.hof(() => x) + ^ +t6666.scala:50: error: Implementation restriction: access of method x$6 in class C1 from <$anon: Function0>, would require illegal premature access to the unconstructed `this` of class C1 + F.byname(x) + ^ +t6666.scala:54: error: Implementation restriction: access of value x$7 in class C2 from <$anon: Function0>, would require illegal premature access to the unconstructed `this` of class C2 + F.byname(x) + ^ +t6666.scala:58: error: Implementation restriction: access of method x$8 in class C3 from <$anon: Function0>, would require illegal premature access to the unconstructed `this` of class C3 + F.hof(() => x) + ^ +t6666.scala:62: error: Implementation restriction: access of method x$9 in class C4 from object Nested$4, would require illegal premature access to the unconstructed `this` of class C4 + object Nested { def xx = x} + ^ +t6666.scala:76: error: Implementation restriction: access of method x$11 in class C11 from <$anon: Function0>, would require illegal premature access to the unconstructed `this` of class C11 + F.byname(x) + ^ +t6666.scala:95: error: Implementation restriction: access of method x$12 in class C13 from <$anon: Function0>, would require illegal premature access to the unconstructed `this` of class C13 + F.hof(() => x) + ^ +t6666.scala:104: error: Implementation restriction: access of method x$13 in class C14 from object Nested$5, would require illegal premature access to the unconstructed `this` of class C14 + object Nested { def xx = x} + ^ +t6666.scala:112: error: Implementation restriction: access of method foo$1 in class COuter from class CInner$1, would require illegal premature access to the unconstructed `this` of class COuter + class CInner extends C({foo}) + ^ +t6666.scala:118: error: Implementation restriction: access of method x$14 in class CEarly from object Nested$6, would require illegal premature access to the unconstructed `this` of class CEarly + object Nested { def xx = x} + ^ +12 errors found diff --git a/tests/untried/neg/t6666.flags b/tests/untried/neg/t6666.flags new file mode 100644 index 000000000..2349d8294 --- /dev/null +++ b/tests/untried/neg/t6666.flags @@ -0,0 +1 @@ +-Ydelambdafy:inline diff --git a/tests/untried/neg/t6666.scala b/tests/untried/neg/t6666.scala new file mode 100644 index 000000000..2495c8727 --- /dev/null +++ b/tests/untried/neg/t6666.scala @@ -0,0 +1,121 @@ +class C(a: Any) +object F { + def byname(a: => Any) = println(a) + def hof(a: () => Any) = println(a()) +} + +class COkay extends C(0) { + def this(a: Any) { + this() + def x = "".toString + F.byname(x) + } +} + +// +// The thunk's apply method accesses the MODULE$ +// field before it is set. +// +// 0: getstatic #23; //Field O1$.MODULE$:LO1$; +// 3: invokevirtual #26; //Method O1$.O1$$x$1:()Ljava/lang/String; +object O1 extends C({ + def x = "".toString + F.byname(x) +}) + +// java.lang.NullPointerException +// at O2$$anonfun$$init$$1.apply(<console>:11) +object O2 extends C({ + lazy val x = "".toString + F.byname(x) +}) + +// java.lang.NullPointerException +// at O3$$anonfun$$init$$1.apply(<console>:11) +object O3 extends C({ + def x = "".toString + F.hof(() => x) +}) + +// Okay, the nested classes don't get an outer pointer passed, +// just an extra param for `x: String`. +object O6 extends C({ + val x = "".toString + F.byname(x); F.hof(() => x); (new { val xx = x }.xx) +}) + + +class C1 extends C({ + def x = "".toString + F.byname(x) +}) +class C2 extends C({ + lazy val x = "".toString + F.byname(x) +}) +class C3 extends C({ + def x = "".toString + F.hof(() => x) +}) +class C4 extends C({ + def x = "".toString + object Nested { def xx = x} + Nested.xx +}) + +// okay, for same reason as O6 +class C6 extends C({ + val x = "".toString + F.byname(x); F.hof(() => x); (new { val xx = x }.xx) +}) + +class C11(a: Any) { + def this() = { + this({ + def x = "".toString + F.byname(x) + }) + } +} + +// Crashes earlier in lazyVals. +// class C12(a: Any) { +// def this() = { +// this({ +// lazy val x = "".toString +// F.byname(x) +// }) +// } +// } + +class C13(a: Any) { + def this() = { + this({ + def x = "".toString + F.hof(() => x) + }) + } +} + +class C14(a: Any) { + def this() = { + this({ + def x = "".toString + object Nested { def xx = x} + Nested.xx + }) + } +} + +class COuter extends C({ + def foo = 0 + class CInner extends C({foo}) +}) + + +class CEarly(a: Any) extends { + val early = {def x = "".toString + object Nested { def xx = x} + Nested.xx + } +} with AnyRef diff --git a/tests/untried/neg/t6666b.check b/tests/untried/neg/t6666b.check new file mode 100644 index 000000000..c3ffc7cfa --- /dev/null +++ b/tests/untried/neg/t6666b.check @@ -0,0 +1,7 @@ +t6666b.scala:11: error: Implementation restriction: access of method x$1 in class C5 from object Nested$3, would require illegal premature access to the unconstructed `this` of class C5 + object Nested { def xx = x} + ^ +t6666b.scala:22: error: Implementation restriction: access of method x$2 in class C15 from object Nested$4, would require illegal premature access to the unconstructed `this` of class C15 + object Nested { def xx = x} + ^ +two errors found diff --git a/tests/untried/neg/t6666b.scala b/tests/untried/neg/t6666b.scala new file mode 100644 index 000000000..205ded76e --- /dev/null +++ b/tests/untried/neg/t6666b.scala @@ -0,0 +1,27 @@ +class C(a: Any) +object F { + def byname(a: => Any) = println(a) + def hof(a: () => Any) = println(a()) +} + + +class C5 extends C({ + def x = "".toString + val y = { + object Nested { def xx = x} + Nested.xx + } +}) + + +class C15(a: Any) { + def this() = { + this({ + def x = "".toString + val y = { + object Nested { def xx = x} + Nested.xx + } + }) + } +} diff --git a/tests/untried/neg/t6666c.check b/tests/untried/neg/t6666c.check new file mode 100644 index 000000000..384e52a9f --- /dev/null +++ b/tests/untried/neg/t6666c.check @@ -0,0 +1,10 @@ +t6666c.scala:2: error: Implementation restriction: access of method x$1 in class D from object X$4, would require illegal premature access to the unconstructed `this` of class D +class D extends C({def x = 0; object X { x }}) + ^ +t6666c.scala:5: error: Implementation restriction: access of method x$2 in class D1 from object X$5, would require illegal premature access to the unconstructed `this` of class D1 +class D1 extends C1({def x = 0; () => {object X { x }}}) + ^ +t6666c.scala:8: error: Implementation restriction: access of method x$3 from object X$6, would require illegal premature access to the unconstructed `this` of <$anon: Function0> +class D2 extends C2({def x = 0; object X { x }}) + ^ +three errors found diff --git a/tests/untried/neg/t6666c.flags b/tests/untried/neg/t6666c.flags new file mode 100644 index 000000000..2349d8294 --- /dev/null +++ b/tests/untried/neg/t6666c.flags @@ -0,0 +1 @@ +-Ydelambdafy:inline diff --git a/tests/untried/neg/t6666c.scala b/tests/untried/neg/t6666c.scala new file mode 100644 index 000000000..76cc35830 --- /dev/null +++ b/tests/untried/neg/t6666c.scala @@ -0,0 +1,8 @@ +class C(a: Any) +class D extends C({def x = 0; object X { x }}) + +class C1(a: () => Any) +class D1 extends C1({def x = 0; () => {object X { x }}}) + +class C2(a: => Any) +class D2 extends C2({def x = 0; object X { x }}) diff --git a/tests/untried/neg/t6666d.check b/tests/untried/neg/t6666d.check new file mode 100644 index 000000000..b4785f012 --- /dev/null +++ b/tests/untried/neg/t6666d.check @@ -0,0 +1,4 @@ +t6666d.scala:7: error: Implementation restriction: access of object TreeOrd$1 from object TreeOrd$2, would require illegal premature access to the unconstructed `this` of class Test + implicit object TreeOrd extends Ordering[K](){ + ^ +one error found diff --git a/tests/untried/neg/t6666d.scala b/tests/untried/neg/t6666d.scala new file mode 100644 index 000000000..49a688f91 --- /dev/null +++ b/tests/untried/neg/t6666d.scala @@ -0,0 +1,18 @@ + +import scala.collection.immutable.TreeMap +import scala.math.Ordering + +class Test[K](param:TreeMap[K,Int]){ + def this() = this({ + implicit object TreeOrd extends Ordering[K](){ + def compare(a: K, b: K) = { + -1 + } + } + new TreeMap[K, Int]() + }) +} + +object Test extends App { + new Test() +} diff --git a/tests/untried/neg/t6666e.check b/tests/untried/neg/t6666e.check new file mode 100644 index 000000000..318961231 --- /dev/null +++ b/tests/untried/neg/t6666e.check @@ -0,0 +1,4 @@ +t6666e.scala:8: error: Implementation restriction: <$anon: Nothing => Unit> requires premature access to class Crash. + this(Nil.collect{case x =>}) + ^ +one error found diff --git a/tests/untried/neg/t6666e.scala b/tests/untried/neg/t6666e.scala new file mode 100644 index 000000000..120a5878b --- /dev/null +++ b/tests/untried/neg/t6666e.scala @@ -0,0 +1,9 @@ + +import scala.collection.immutable.TreeMap +import scala.math.Ordering + + +class Crash(a: Any) { + def this() = + this(Nil.collect{case x =>}) +} diff --git a/tests/untried/neg/t6667.check b/tests/untried/neg/t6667.check new file mode 100644 index 000000000..43313fa4f --- /dev/null +++ b/tests/untried/neg/t6667.check @@ -0,0 +1,13 @@ +t6667.scala:8: error: ambiguous implicit values: + both value inScope1 in object Test of type => C + and value inScope2 in object Test of type => C + match expected type C + implicitly[C]: Unit // C.companion was used; whereas the ambiguity should abort the implicit search. + ^ +t6667.scala:9: error: ambiguous implicit values: + both value inScope1 in object Test of type => C + and value inScope2 in object Test of type => C + match expected type C + implicitly[C] // ambiguity reported, rather than falling back to C.companion + ^ +two errors found diff --git a/tests/untried/neg/t6667.scala b/tests/untried/neg/t6667.scala new file mode 100644 index 000000000..fb857ebd3 --- /dev/null +++ b/tests/untried/neg/t6667.scala @@ -0,0 +1,10 @@ +class C +object C { + implicit def companion = new C +} + +object Test { + implicit val inScope1, inScope2 = new C + implicitly[C]: Unit // C.companion was used; whereas the ambiguity should abort the implicit search. + implicitly[C] // ambiguity reported, rather than falling back to C.companion +} diff --git a/tests/untried/neg/t6667b.check b/tests/untried/neg/t6667b.check new file mode 100644 index 000000000..99cea9a47 --- /dev/null +++ b/tests/untried/neg/t6667b.check @@ -0,0 +1,13 @@ +t6667b.scala:16: error: ambiguous implicit values: + both value a in object Test of type => Test.Box + and value b of type Test.Box + match expected type Test.Box + new Test() + ^ +t6667b.scala:19: error: ambiguous implicit values: + both value a in object Test of type => Test.Box + and value b of type Test.Box + match expected type Test.Box + new Test() + ^ +two errors found diff --git a/tests/untried/neg/t6667b.scala b/tests/untried/neg/t6667b.scala new file mode 100644 index 000000000..db31c0a9b --- /dev/null +++ b/tests/untried/neg/t6667b.scala @@ -0,0 +1,25 @@ +object Test { + abstract class Box { + val value: Int + } + + implicit val a: Box = new Box { + val value= 1 + } + + def main(args: Array[String]): Unit = { + implicit val b: Box= new Box { + val value= 2 + } + + new Object { + new Test() + } + // compare with: + new Test() + } +} + +class Test()(implicit x: Test.Box) { + println(x.value) +} diff --git a/tests/untried/neg/t667.check b/tests/untried/neg/t667.check new file mode 100644 index 000000000..e68c6dea0 --- /dev/null +++ b/tests/untried/neg/t667.check @@ -0,0 +1,4 @@ +t667.scala:8: error: illegal cyclic reference involving class Ni + class Ni extends super.Ni with Ni; + ^ +one error found diff --git a/tests/untried/neg/t667.scala b/tests/untried/neg/t667.scala new file mode 100644 index 000000000..a79bc272e --- /dev/null +++ b/tests/untried/neg/t667.scala @@ -0,0 +1,10 @@ +package test; + +object test { + trait A { + trait Ni; + } + class B extends A { + class Ni extends super.Ni with Ni; + } +} diff --git a/tests/untried/neg/t6675.check b/tests/untried/neg/t6675.check new file mode 100644 index 000000000..aecf04cb6 --- /dev/null +++ b/tests/untried/neg/t6675.check @@ -0,0 +1,6 @@ +t6675.scala:10: warning: object X expects 3 patterns to hold (Int, Int, Int) but crushing into 3-tuple to fit single pattern (SI-6675) + "" match { case X(b) => b } // should warn under -Xlint. Not an error because of SI-6111 + ^ +error: No warnings can be incurred under -Xfatal-warnings. +one warning found +one error found diff --git a/tests/untried/neg/t6675.flags b/tests/untried/neg/t6675.flags new file mode 100644 index 000000000..2843ea9ef --- /dev/null +++ b/tests/untried/neg/t6675.flags @@ -0,0 +1 @@ +-deprecation -Xlint -Xfatal-warnings
\ No newline at end of file diff --git a/tests/untried/neg/t6675.scala b/tests/untried/neg/t6675.scala new file mode 100644 index 000000000..4d500b77b --- /dev/null +++ b/tests/untried/neg/t6675.scala @@ -0,0 +1,13 @@ +object X { + def unapply(s: String): Option[(Int,Int,Int)] = Some((1,2,3)) +} + +object Y { + def unapplySeq(s: String): Option[Seq[(Int,Int,Int)]] = Some(Seq((1,2,3))) +} + +object Test { + "" match { case X(b) => b } // should warn under -Xlint. Not an error because of SI-6111 + + "" match { case Y(b) => b } // no warning +} diff --git a/tests/untried/neg/t6675b.check b/tests/untried/neg/t6675b.check new file mode 100644 index 000000000..77f6b3ccb --- /dev/null +++ b/tests/untried/neg/t6675b.check @@ -0,0 +1,37 @@ +t6675b.scala:17: warning: object LeftOrRight expects 2 patterns to hold (Int, Int) but crushing into 2-tuple to fit single pattern (SI-6675) + def f1 = (Left((0, 0)): Either[(Int, Int), (Int, Int)]) match { case LeftOrRight(a) => a } // warn + ^ +t6675b.scala:19: error: constructor cannot be instantiated to expected type; + found : (T1, T2, T3) + required: (Int, Int) + def f3 = (Left((0, 0)): Either[(Int, Int), (Int, Int)]) match { case LeftOrRight((a, b, c)) => a } // fail + ^ +t6675b.scala:24: warning: object LeftOrRight expects 2 patterns to hold (A, A) but crushing into 2-tuple to fit single pattern (SI-6675) + def f2[A](x: A) = (Left(x -> x): Either[(A, A), (A, A)]) match { case LeftOrRight(a) => a } // warn + ^ +t6675b.scala:26: error: constructor cannot be instantiated to expected type; + found : (T1, T2, T3) + required: (?A11, ?A12) where type ?A12 <: A (this is a GADT skolem), type ?A11 <: A (this is a GADT skolem) + def f4[A](x: A) = (Left(x -> x): Either[(A, A), (A, A)]) match { case LeftOrRight((a, b, c)) => a } // fail + ^ +t6675b.scala:30: warning: object NativelyTwo expects 2 patterns to hold ((Int, Int), (Int, Int)) but crushing into 2-tuple to fit single pattern (SI-6675) + def f1 = (Left((0, 0)): Either[(Int, Int), (Int, Int)]) match { case NativelyTwo(a) => a } // warn + ^ +t6675b.scala:32: error: constructor cannot be instantiated to expected type; + found : (T1, T2, T3) + required: ((Int, Int), (Int, Int)) + def f3 = (Left((0, 0)): Either[(Int, Int), (Int, Int)]) match { case NativelyTwo((a, b, c)) => a } // fail + ^ +t6675b.scala:36: warning: object NativelyTwo expects 2 patterns to hold (A, A) but crushing into 2-tuple to fit single pattern (SI-6675) + def f1[A](x: A) = (Left(x): Either[A, A]) match { case NativelyTwo(a) => a } // warn + ^ +t6675b.scala:37: warning: object NativelyTwo expects 2 patterns to hold ((A, A), (A, A)) but crushing into 2-tuple to fit single pattern (SI-6675) + def f2[A](x: A) = (Left(x -> x): Either[(A, A), (A, A)]) match { case NativelyTwo(a) => a } // warn + ^ +t6675b.scala:39: error: constructor cannot be instantiated to expected type; + found : (T1, T2, T3) + required: ((?A17, ?A18), (?A19, ?A20)) where type ?A20 <: A (this is a GADT skolem), type ?A19 <: A (this is a GADT skolem), type ?A18 <: A (this is a GADT skolem), type ?A17 <: A (this is a GADT skolem) + def f4[A](x: A) = (Left(x -> x): Either[(A, A), (A, A)]) match { case NativelyTwo((a, b, c)) => a } // fail + ^ +5 warnings found +four errors found diff --git a/tests/untried/neg/t6675b.flags b/tests/untried/neg/t6675b.flags new file mode 100644 index 000000000..2fcfa0cdd --- /dev/null +++ b/tests/untried/neg/t6675b.flags @@ -0,0 +1 @@ +-deprecation -Xlint diff --git a/tests/untried/neg/t6675b.scala b/tests/untried/neg/t6675b.scala new file mode 100644 index 000000000..c86c9c395 --- /dev/null +++ b/tests/untried/neg/t6675b.scala @@ -0,0 +1,40 @@ +object LeftOrRight { + def unapply[A](value: Either[A, A]): Option[A] = value match { + case scala.Left(x) => Some(x) + case scala.Right(x) => Some(x) + } +} + +object NativelyTwo { + def unapply[A](value: Either[A, A]): Option[(A, A)] = value match { + case scala.Left(x) => Some(x -> x) + case scala.Right(x) => Some(x -> x) + } +} + + +class A { + def f1 = (Left((0, 0)): Either[(Int, Int), (Int, Int)]) match { case LeftOrRight(a) => a } // warn + def f2 = (Left((0, 0)): Either[(Int, Int), (Int, Int)]) match { case LeftOrRight((a, b)) => a } // no warn + def f3 = (Left((0, 0)): Either[(Int, Int), (Int, Int)]) match { case LeftOrRight((a, b, c)) => a } // fail +} + +class B { + def f1[A](x: A) = (Left(x): Either[A, A]) match { case LeftOrRight(a) => a } // no warn + def f2[A](x: A) = (Left(x -> x): Either[(A, A), (A, A)]) match { case LeftOrRight(a) => a } // warn + def f3[A](x: A) = (Left(x -> x): Either[(A, A), (A, A)]) match { case LeftOrRight((a, b)) => a } // no warn + def f4[A](x: A) = (Left(x -> x): Either[(A, A), (A, A)]) match { case LeftOrRight((a, b, c)) => a } // fail +} + +class C { + def f1 = (Left((0, 0)): Either[(Int, Int), (Int, Int)]) match { case NativelyTwo(a) => a } // warn + def f2 = (Left((0, 0)): Either[(Int, Int), (Int, Int)]) match { case NativelyTwo((a, b)) => a } // no warn + def f3 = (Left((0, 0)): Either[(Int, Int), (Int, Int)]) match { case NativelyTwo((a, b, c)) => a } // fail +} + +class D { + def f1[A](x: A) = (Left(x): Either[A, A]) match { case NativelyTwo(a) => a } // warn + def f2[A](x: A) = (Left(x -> x): Either[(A, A), (A, A)]) match { case NativelyTwo(a) => a } // warn + def f3[A](x: A) = (Left(x -> x): Either[(A, A), (A, A)]) match { case NativelyTwo((a, b)) => a } // no warn + def f4[A](x: A) = (Left(x -> x): Either[(A, A), (A, A)]) match { case NativelyTwo((a, b, c)) => a } // fail +} diff --git a/tests/untried/neg/t668.check b/tests/untried/neg/t668.check new file mode 100644 index 000000000..b057ca793 --- /dev/null +++ b/tests/untried/neg/t668.check @@ -0,0 +1,4 @@ +t668.scala:1: error: type Iterable takes type parameters +class Test extends Iterable + ^ +one error found diff --git a/tests/untried/neg/t668.scala b/tests/untried/neg/t668.scala new file mode 100644 index 000000000..3256037b1 --- /dev/null +++ b/tests/untried/neg/t668.scala @@ -0,0 +1 @@ +class Test extends Iterable diff --git a/tests/untried/neg/t6680a.check b/tests/untried/neg/t6680a.check new file mode 100644 index 000000000..03e4df10c --- /dev/null +++ b/tests/untried/neg/t6680a.check @@ -0,0 +1,11 @@ +t6680a.scala:10: error: type mismatch; + found : String("abc") + required: A + y.x = "abc" + ^ +t6680a.scala:17: error: type mismatch; + found : String("") + required: A + case class C[A](f:A=>A);def f(x:Any)=x match { case C(f)=>f("") };f(C[Int](x=>x)) + ^ +two errors found diff --git a/tests/untried/neg/t6680a.flags b/tests/untried/neg/t6680a.flags new file mode 100644 index 000000000..19243266d --- /dev/null +++ b/tests/untried/neg/t6680a.flags @@ -0,0 +1 @@ +-Xstrict-inference
\ No newline at end of file diff --git a/tests/untried/neg/t6680a.scala b/tests/untried/neg/t6680a.scala new file mode 100644 index 000000000..93b796438 --- /dev/null +++ b/tests/untried/neg/t6680a.scala @@ -0,0 +1,18 @@ +case class Cell[A](var x: A) +object Test { + def f1(x: Any) = x match { case y @ Cell(_) => y } // Inferred type is Cell[Any] + def f2(x: Cell[_]) = x match { case y @ Cell(_) => y } // Inferred type is Cell[_] + def f3[A](x: Cell[A]) = x match { case y @ Cell(_) => y } // Inferred type is Cell[A] + + def main(args: Array[String]): Unit = { + val x = new Cell(1) + val y = f1(x) + y.x = "abc" + println(x.x + 1) + } +} + +// The tweetable variation +object Tweet { + case class C[A](f:A=>A);def f(x:Any)=x match { case C(f)=>f("") };f(C[Int](x=>x)) +} diff --git a/tests/untried/neg/t6728.check b/tests/untried/neg/t6728.check new file mode 100644 index 000000000..d853d6f72 --- /dev/null +++ b/tests/untried/neg/t6728.check @@ -0,0 +1,4 @@ +t6728.scala:4: error: '(' expected but '}' found. + } + ^ +one error found diff --git a/tests/untried/neg/t6728.scala b/tests/untried/neg/t6728.scala new file mode 100644 index 000000000..ba0b1a0fd --- /dev/null +++ b/tests/untried/neg/t6728.scala @@ -0,0 +1,5 @@ +object X { + while(true) { + for + } +} diff --git a/tests/untried/neg/t6758.check b/tests/untried/neg/t6758.check new file mode 100644 index 000000000..2cdd6b8ae --- /dev/null +++ b/tests/untried/neg/t6758.check @@ -0,0 +1,28 @@ +t6758.scala:5: error: not found: type inargument + @inargument + ^ +t6758.scala:11: error: not found: type infunction + @infunction + ^ +t6758.scala:18: error: not found: type nested + @nested + ^ +t6758.scala:25: error: not found: type param + def func(@param x: Int): Int = 0 + ^ +t6758.scala:28: error: not found: type typealias + @typealias + ^ +t6758.scala:32: error: not found: type classs + @classs + ^ +t6758.scala:35: error: not found: type module + @module + ^ +t6758.scala:38: error: not found: type typeparam + class D[@typeparam T] + ^ +t6758.scala:41: error: not found: type valueparam + @valueparam x: Any + ^ +9 errors found diff --git a/tests/untried/neg/t6758.scala b/tests/untried/neg/t6758.scala new file mode 100644 index 000000000..acf333bf9 --- /dev/null +++ b/tests/untried/neg/t6758.scala @@ -0,0 +1,43 @@ +class AnnotNotFound { + def foo(a: Any) = () + + foo { + @inargument + def foo = 0 + foo + } + + () => { + @infunction + def foo = 0 + () + } + + () => { + val bar: Int = { + @nested + val bar2: Int = 2 + 2 + } + () + } + + def func(@param x: Int): Int = 0 + + abstract class A { + @typealias + type B = Int + } + + @classs + class C + + @module + object D + + class D[@typeparam T] + + class E( + @valueparam x: Any + ) +} diff --git a/tests/untried/neg/t677.check b/tests/untried/neg/t677.check new file mode 100644 index 000000000..122830a98 --- /dev/null +++ b/tests/untried/neg/t677.check @@ -0,0 +1,6 @@ +t677.scala:2: error: type mismatch; + found : () => Int + required: Nothing + val zx: Nothing = {() => 4} + ^ +one error found diff --git a/tests/untried/neg/t677.scala b/tests/untried/neg/t677.scala new file mode 100644 index 000000000..c65ee9640 --- /dev/null +++ b/tests/untried/neg/t677.scala @@ -0,0 +1,3 @@ +object ga { + val zx: Nothing = {() => 4} +} diff --git a/tests/untried/neg/t6771b.check b/tests/untried/neg/t6771b.check new file mode 100644 index 000000000..ba99e9178 --- /dev/null +++ b/tests/untried/neg/t6771b.check @@ -0,0 +1,6 @@ +t6771b.scala:14: error: type mismatch; + found : x.type (with underlying type String) + required: Test.a.type + b = b match { case x => x } + ^ +one error found diff --git a/tests/untried/neg/t6771b.scala b/tests/untried/neg/t6771b.scala new file mode 100644 index 000000000..78f11f775 --- /dev/null +++ b/tests/untried/neg/t6771b.scala @@ -0,0 +1,16 @@ +// Currently, the pattern matcher widens the type of the +// scrutinee, so this doesn't typecheck. This test just +// confirms this behaviour, although it would be an improvement +// to change this and make this a `pos` test. +// +// But, to the intrepid hacker who works on this, a few notes: +// You'll have to look into places in the pattern matcher that +// call `dealias`, and see if they need to be `dealiasWiden`. +// For example, if `checkableType` used only `dealias`, `pos/t6671.scala` +// would fail. +object Test { + val a = ""; var b: a.type = a + + b = b match { case x => x } +} + diff --git a/tests/untried/neg/t6788.check b/tests/untried/neg/t6788.check new file mode 100644 index 000000000..96a6f8b60 --- /dev/null +++ b/tests/untried/neg/t6788.check @@ -0,0 +1,5 @@ +t6788.scala:6: error: not found: value foo +Error occurred in an application involving default arguments. + s.copy(b = foo) + ^ +one error found diff --git a/tests/untried/neg/t6788.scala b/tests/untried/neg/t6788.scala new file mode 100644 index 000000000..77949ed62 --- /dev/null +++ b/tests/untried/neg/t6788.scala @@ -0,0 +1,7 @@ +case class B[T](b: T, a: List[Int]) // need two args, B must be polymorphic + +class A { + var s: B[Int] = _ // has to be a var + + s.copy(b = foo) +} diff --git a/tests/untried/neg/t6795.check b/tests/untried/neg/t6795.check new file mode 100644 index 000000000..88ef3e9a5 --- /dev/null +++ b/tests/untried/neg/t6795.check @@ -0,0 +1,4 @@ +t6795.scala:3: error: `abstract override' modifier not allowed for type members +trait T1 extends T { abstract override type U = Int } + ^ +one error found diff --git a/tests/untried/neg/t6795.scala b/tests/untried/neg/t6795.scala new file mode 100644 index 000000000..a523c89c8 --- /dev/null +++ b/tests/untried/neg/t6795.scala @@ -0,0 +1,3 @@ +trait T { type U } +// "abstract override" shouldn't be allowed on types +trait T1 extends T { abstract override type U = Int } diff --git a/tests/untried/neg/t6815.check b/tests/untried/neg/t6815.check new file mode 100644 index 000000000..fae3819be --- /dev/null +++ b/tests/untried/neg/t6815.check @@ -0,0 +1,5 @@ +t6815.scala:15: error: stable identifier required, but Test.this.u.emptyValDef found. + Note that value emptyValDef is not stable because its type, Test.u.ValDef, is volatile. + case _: u.emptyValDef.T => // and, unlike in pos/t6185.scala, we shouldn't allow this. + ^ +one error found diff --git a/tests/untried/neg/t6815.scala b/tests/untried/neg/t6815.scala new file mode 100644 index 000000000..ff973a743 --- /dev/null +++ b/tests/untried/neg/t6815.scala @@ -0,0 +1,17 @@ +trait U { + trait ValOrDefDefApi { + def name: Any + } + type ValOrDefDef <: ValOrDefDefApi + type ValDef <: ValOrDefDef with ValDefApi { type T } + trait ValDefApi extends ValOrDefDefApi { this: ValDef => } + val emptyValDef: ValDef // the result type is volatile +} + +object Test { + val u: U = ??? + + (null: Any) match { + case _: u.emptyValDef.T => // and, unlike in pos/t6185.scala, we shouldn't allow this. + } +} diff --git a/tests/untried/neg/t6829.check b/tests/untried/neg/t6829.check new file mode 100644 index 000000000..914a1c926 --- /dev/null +++ b/tests/untried/neg/t6829.check @@ -0,0 +1,56 @@ +t6829.scala:35: error: type mismatch; + found : AgentSimulation.this.state.type (with underlying type G#State) + required: _9.State + lazy val actions: Map[G#Agent,G#Action] = agents.map(a => a -> a.chooseAction(state)).toMap + ^ +t6829.scala:45: error: trait AgentSimulation takes type parameters + pastHistory: List[G#State] = Nil) extends AgentSimulation + ^ +t6829.scala:47: error: class LearningSimulation takes type parameters + lazy val step: LearningSimulation = { + ^ +t6829.scala:49: error: not found: value actions + val (s,a,s2) = (state,actions(agent),nextState) + ^ +t6829.scala:49: error: not found: value nextState + val (s,a,s2) = (state,actions(agent),nextState) + ^ +t6829.scala:50: error: type mismatch; + found : s.type (with underlying type Any) + required: _53.State where val _53: G + val r = rewards(agent).r(s,a,s2) + ^ +t6829.scala:50: error: type mismatch; + found : a.type (with underlying type Any) + required: _53.Action where val _53: G + val r = rewards(agent).r(s,a,s2) + ^ +t6829.scala:50: error: type mismatch; + found : s2.type (with underlying type Any) + required: _53.State where val _53: G + val r = rewards(agent).r(s,a,s2) + ^ +t6829.scala:51: error: type mismatch; + found : s.type (with underlying type Any) + required: _50.State + agent.learn(s,a,s2,r): G#Agent + ^ +t6829.scala:51: error: type mismatch; + found : a.type (with underlying type Any) + required: _50.Action + agent.learn(s,a,s2,r): G#Agent + ^ +t6829.scala:51: error: type mismatch; + found : s2.type (with underlying type Any) + required: _50.State + agent.learn(s,a,s2,r): G#Agent + ^ +t6829.scala:53: error: not found: value nextState +Error occurred in an application involving default arguments. + copy(agents = updatedAgents, state = nextState, pastHistory = currentHistory) + ^ +t6829.scala:53: error: not found: value currentHistory +Error occurred in an application involving default arguments. + copy(agents = updatedAgents, state = nextState, pastHistory = currentHistory) + ^ +13 errors found diff --git a/tests/untried/neg/t6829.scala b/tests/untried/neg/t6829.scala new file mode 100644 index 000000000..7cbe3c954 --- /dev/null +++ b/tests/untried/neg/t6829.scala @@ -0,0 +1,64 @@ +package bugs + +/** + * Created with IntelliJ IDEA. + * User: arya + * Date: 12/18/12 + * Time: 4:17 PM + * To change this template use File | Settings | File Templates. + */ +object currenttype2 { + + type Reward = Double + + trait AbstractAgent[State,Action] { + type A = AbstractAgent[State,Action] + def chooseAction(s: State): Action + def startEpisode: A = this + def learn(s1: State, a: Action, s2: State, r: Reward): A + } + + case class RewardFunction[State,Action](r: (State,Action,State) => Reward) + + trait Rules[G<:GameDomain] { + def simulate(state: G#State, agentActions: List[(G#Agent,G#Action)]): G#State + } + + trait AgentSimulation[G<:GameDomain] { + val agents: List[G#Agent] + val state: G#State + val rewards: Map[G#Agent,G#Rewards] + val rules: Rules[G] + val pastHistory: List[G#State] + lazy val currentHistory = state :: pastHistory + + lazy val actions: Map[G#Agent,G#Action] = agents.map(a => a -> a.chooseAction(state)).toMap + lazy val nextState: G#State = rules.simulate(state, actions.toList) + + def step: AgentSimulation[G] + } + + case class LearningSimulation[G<:GameDomain](agents: List[G#Agent], + state: G#State, + rewards: Map[G#Agent,G#Rewards], + rules: Rules[G], + pastHistory: List[G#State] = Nil) extends AgentSimulation + { + lazy val step: LearningSimulation = { + val updatedAgents: List[G#Agent] = agents map { agent => + val (s,a,s2) = (state,actions(agent),nextState) + val r = rewards(agent).r(s,a,s2) + agent.learn(s,a,s2,r): G#Agent + } + copy(agents = updatedAgents, state = nextState, pastHistory = currentHistory) + } + } + + trait GameDomain { + domain => + type State + type Action + type Agent = AbstractAgent[State, Action] // agent supertype + type Rewards = RewardFunction[State,Action] + } + } diff --git a/tests/untried/neg/t6844.check b/tests/untried/neg/t6844.check new file mode 100644 index 000000000..1fc248552 --- /dev/null +++ b/tests/untried/neg/t6844.check @@ -0,0 +1,6 @@ +t6844.scala:4: error: type mismatch; + found : reflect.runtime.universe.TermName + required: reflect.runtime.universe.Tree + q"def foo($x)" + ^ +one error found diff --git a/tests/untried/neg/t6844.scala b/tests/untried/neg/t6844.scala new file mode 100644 index 000000000..809d9d0f9 --- /dev/null +++ b/tests/untried/neg/t6844.scala @@ -0,0 +1,5 @@ +import scala.reflect.runtime.universe._ +object Test extends App { + val x = TermName("x") + q"def foo($x)" +} diff --git a/tests/untried/neg/t6889.check b/tests/untried/neg/t6889.check new file mode 100644 index 000000000..a77e8a010 --- /dev/null +++ b/tests/untried/neg/t6889.check @@ -0,0 +1,7 @@ +t6889.scala:16: error: the result type of an implicit conversion must be more specific than AnyRef + def f(x: Dingo): AnyRef = x // fail - no conversion to AnyRef + ^ +t6889.scala:17: error: an expression of type Null is ineligible for implicit conversion + var x: Int = null // fail - no conversion from Null + ^ +two errors found diff --git a/tests/untried/neg/t6889.scala b/tests/untried/neg/t6889.scala new file mode 100644 index 000000000..ef1963669 --- /dev/null +++ b/tests/untried/neg/t6889.scala @@ -0,0 +1,18 @@ +package bippy { + trait Bippy[A] extends Any +} +package foo { + package object unrelated { + implicit def bippyDingo[A](x: bippy.Bippy[A]): AnyRef = Nil + } + package unrelated { + trait Unrelated + } +} + +object Test { + trait Dingo extends Any with bippy.Bippy[foo.unrelated.Unrelated] + + def f(x: Dingo): AnyRef = x // fail - no conversion to AnyRef + var x: Int = null // fail - no conversion from Null +} diff --git a/tests/untried/neg/t6902.check b/tests/untried/neg/t6902.check new file mode 100644 index 000000000..ed0ed7530 --- /dev/null +++ b/tests/untried/neg/t6902.check @@ -0,0 +1,12 @@ +t6902.scala:4: warning: unreachable code + case Some(b) => 3 // no warning was emitted + ^ +t6902.scala:9: warning: unreachable code + case Some(b) => 3 // no warning was emitted + ^ +t6902.scala:21: warning: unreachable code + case 1 => 3 // crash + ^ +error: No warnings can be incurred under -Xfatal-warnings. +three warnings found +one error found diff --git a/tests/untried/neg/t6902.flags b/tests/untried/neg/t6902.flags new file mode 100644 index 000000000..e8fb65d50 --- /dev/null +++ b/tests/untried/neg/t6902.flags @@ -0,0 +1 @@ +-Xfatal-warnings
\ No newline at end of file diff --git a/tests/untried/neg/t6902.scala b/tests/untried/neg/t6902.scala new file mode 100644 index 000000000..ce5ff8b6f --- /dev/null +++ b/tests/untried/neg/t6902.scala @@ -0,0 +1,23 @@ +object Test { + Some(Some(1)) collect { + case Some(a) => 2 + case Some(b) => 3 // no warning was emitted + } + + (Some(1): @ unchecked) match { + case Some(a) => 2 + case Some(b) => 3 // no warning was emitted + } + + // A variation of SI-6011, which eluded the fix + // in 2.10.0. + // + // duplicate keys in SWITCH, can't pick arbitrarily one of them to evict, see SI-6011. + // at scala.reflect.internal.SymbolTable.abort(SymbolTable.scala:50) + // at scala.tools.nsc.Global.abort(Global.scala:249) + // at scala.tools.nsc.backend.jvm.GenASM$JPlainBuilder$jcode$.emitSWITCH(GenASM.scala:1850) + ((1: Byte): @unchecked @annotation.switch) match { + case 1 => 2 + case 1 => 3 // crash + } +} diff --git a/tests/untried/neg/t691.check b/tests/untried/neg/t691.check new file mode 100644 index 000000000..77ff7b1d0 --- /dev/null +++ b/tests/untried/neg/t691.check @@ -0,0 +1,4 @@ +t691.scala:27: error: ambiguous parent class qualifier + trait TiC extends super[Arrow].Ti2 with super[AssignArrow].Ti1; + ^ +one error found diff --git a/tests/untried/neg/t691.scala b/tests/untried/neg/t691.scala new file mode 100644 index 000000000..233476f65 --- /dev/null +++ b/tests/untried/neg/t691.scala @@ -0,0 +1,29 @@ +trait Base { + trait AssignArrow { + type T <: Ti0; + trait Ti0; + } + abstract class Arrow extends AssignArrow; + val arrow : Arrow; +} + +trait Ext0 extends Base { + trait AssignArrow extends super.AssignArrow { + type T <: Ti1; + trait Ti1 extends super.Ti0; + } +} +trait Ext1 extends Base { + trait Arrow extends super.Arrow { + type T <: Ti2; + trait Ti2 extends super.Ti0; + trait TiXX extends Ti2; + } + val arrow : Arrow; +} +trait Composition extends Ext0 with Ext1 { + object arrow0 extends Arrow with AssignArrow { + type T = TiC + trait TiC extends super[Arrow].Ti2 with super[AssignArrow].Ti1; + } +} diff --git a/tests/untried/neg/t6912.check b/tests/untried/neg/t6912.check new file mode 100644 index 000000000..137b65170 --- /dev/null +++ b/tests/untried/neg/t6912.check @@ -0,0 +1,4 @@ +t6912.scala:8: error: not found: type Xxxx + def test[T]: Xxxx = Foo1[T] + ^ +one error found diff --git a/tests/untried/neg/t6912.scala b/tests/untried/neg/t6912.scala new file mode 100644 index 000000000..f2540ee8c --- /dev/null +++ b/tests/untried/neg/t6912.scala @@ -0,0 +1,9 @@ +object Foo1 { + def apply[T](a: Int = 0): Nothing = sys.error("") + def apply[T](z: String = ""): Nothing = sys.error("") +} + +object Test { + // Triggered a cycle in Typers#adapt + def test[T]: Xxxx = Foo1[T] +} diff --git a/tests/untried/neg/t692.check b/tests/untried/neg/t692.check new file mode 100644 index 000000000..0ca99717d --- /dev/null +++ b/tests/untried/neg/t692.check @@ -0,0 +1,19 @@ +t692.scala:3: error: not found: type T + trait Type[T0] extends Type0[T]; + ^ +t692.scala:10: error: class Foo takes type parameters + case class FooType() extends ClassType[Foo,AnyRef](ObjectType()); + ^ +t692.scala:13: error: class Foo takes type parameters + case class BarType[T3 <: Foo](tpeT : RefType[T3]) extends ClassType[Bar[T3],Foo](FooType); + ^ +t692.scala:13: error: class Foo takes type parameters + case class BarType[T3 <: Foo](tpeT : RefType[T3]) extends ClassType[Bar[T3],Foo](FooType); + ^ +t692.scala:14: error: class Foo takes type parameters + implicit def typeOfBar[T4 <: Foo](implicit elem : RefType[T4]) : RefType[Bar[T4]] = + ^ +t692.scala:19: error: class Foo takes type parameters + class Bar[A <: Foo](implicit tpeA : Type[A]) extends Foo; + ^ +6 errors found diff --git a/tests/untried/neg/t692.scala b/tests/untried/neg/t692.scala new file mode 100644 index 000000000..24e1d2fea --- /dev/null +++ b/tests/untried/neg/t692.scala @@ -0,0 +1,20 @@ +abstract class test3 { + trait Type0[+T0]; + trait Type[T0] extends Type0[T]; + trait ClassType0[+C <: AnyRef] extends Type0[C]; + abstract class RefType[C <: AnyRef] extends Type[C]; + case class ObjectType() extends RefType[AnyRef]; + abstract class ClassType[C <: Z, Z <: AnyRef](zuper : RefType[Z]) extends RefType[C]; + + + case class FooType() extends ClassType[Foo,AnyRef](ObjectType()); + implicit def typeOfFoo = FooType(); + + case class BarType[T3 <: Foo](tpeT : RefType[T3]) extends ClassType[Bar[T3],Foo](FooType); + implicit def typeOfBar[T4 <: Foo](implicit elem : RefType[T4]) : RefType[Bar[T4]] = + BarType(elem); + + + class Foo[A <: AnyRef]; + class Bar[A <: Foo](implicit tpeA : Type[A]) extends Foo; +} diff --git a/tests/untried/neg/t6920.check b/tests/untried/neg/t6920.check new file mode 100644 index 000000000..ee4eafb83 --- /dev/null +++ b/tests/untried/neg/t6920.check @@ -0,0 +1,6 @@ +t6920.scala:9: error: too many arguments for method applyDynamicNamed: (values: Seq[(String, Any)])String +error after rewriting to CompilerError.this.test.applyDynamicNamed("crushTheCompiler")(scala.Tuple2("a", 1), scala.Tuple2("b", 2)) +possible cause: maybe a wrong Dynamic method signature? + test.crushTheCompiler(a = 1, b = 2) + ^ +one error found diff --git a/tests/untried/neg/t6920.scala b/tests/untried/neg/t6920.scala new file mode 100644 index 000000000..25dc7b3b6 --- /dev/null +++ b/tests/untried/neg/t6920.scala @@ -0,0 +1,10 @@ +import scala.language.dynamics + +class DynTest extends Dynamic { + def applyDynamicNamed(name: String)(values: Seq[(String, Any)]) = "test" +} + +class CompilerError { + val test = new DynTest + test.crushTheCompiler(a = 1, b = 2) +} diff --git a/tests/untried/neg/t6928.check b/tests/untried/neg/t6928.check new file mode 100644 index 000000000..28b8e382d --- /dev/null +++ b/tests/untried/neg/t6928.check @@ -0,0 +1,7 @@ +t6928.scala:2: error: super constructor cannot be passed a self reference unless parameter is declared by-name +object B extends A(B) + ^ +t6928.scala:3: error: super constructor cannot be passed a self reference unless parameter is declared by-name +object C extends A(null, null, C) + ^ +two errors found diff --git a/tests/untried/neg/t6928.scala b/tests/untried/neg/t6928.scala new file mode 100644 index 000000000..84bdcde45 --- /dev/null +++ b/tests/untried/neg/t6928.scala @@ -0,0 +1,10 @@ +abstract class A( val someAs: A* ) +object B extends A(B) +object C extends A(null, null, C) + +object Test { + def main(args: Array[String]): Unit = { + println(B.someAs) + println(C.someAs) + } +} diff --git a/tests/untried/neg/t693.check b/tests/untried/neg/t693.check new file mode 100644 index 000000000..25bd14150 --- /dev/null +++ b/tests/untried/neg/t693.check @@ -0,0 +1,4 @@ +t693.scala:4: error: x is already defined as value x + val x : Int = 10; + ^ +one error found diff --git a/tests/untried/neg/t693.scala b/tests/untried/neg/t693.scala new file mode 100644 index 000000000..3a9e6247a --- /dev/null +++ b/tests/untried/neg/t693.scala @@ -0,0 +1,5 @@ +abstract class test4 { + trait Type; + val x : Type = null; + val x : Int = 10; +} diff --git a/tests/untried/neg/t6931.check b/tests/untried/neg/t6931.check new file mode 100644 index 000000000..7cf804a93 --- /dev/null +++ b/tests/untried/neg/t6931.check @@ -0,0 +1,10 @@ +Test_2.scala:3: error: 1 + err"123" + ^ +Test_2.scala:3: error: 2 + err"123" + ^ +Test_2.scala:3: error: 3 + err"123" + ^ +three errors found diff --git a/tests/untried/neg/t6931/Macros_1.scala b/tests/untried/neg/t6931/Macros_1.scala new file mode 100644 index 000000000..9e167e61d --- /dev/null +++ b/tests/untried/neg/t6931/Macros_1.scala @@ -0,0 +1,15 @@ +import scala.language.experimental.macros +import scala.reflect.macros.blackbox.Context + +object Macros { + implicit class Error(ctx: StringContext) { + def err(args: Any*): Unit = macro impl + } + + def impl(c: Context)(args: c.Tree*): c.Tree = { + import c.universe._ + val q"Macros.Error(scala.StringContext.apply($arg)).err()" = c.macroApplication + for (i <- 1 to 3) c.error(arg.pos.withPoint(arg.pos.point + i - 1), i.toString) + q"()" + } +} diff --git a/tests/untried/neg/t6931/Test_2.scala b/tests/untried/neg/t6931/Test_2.scala new file mode 100644 index 000000000..dbd7fc260 --- /dev/null +++ b/tests/untried/neg/t6931/Test_2.scala @@ -0,0 +1,4 @@ +object Test extends App { + import Macros._ + err"123" +} diff --git a/tests/untried/neg/t6952.check b/tests/untried/neg/t6952.check new file mode 100644 index 000000000..1a591d02c --- /dev/null +++ b/tests/untried/neg/t6952.check @@ -0,0 +1,13 @@ +t6952.scala:2: error: extension of type scala.Dynamic needs to be enabled +by making the implicit value scala.language.dynamics visible. +This can be achieved by adding the import clause 'import scala.language.dynamics' +or by setting the compiler option -language:dynamics. +See the Scala docs for value scala.language.dynamics for a discussion +why the feature needs to be explicitly enabled. +trait B extends Dynamic + ^ +t6952.scala:3: error: extension of type scala.Dynamic needs to be enabled +by making the implicit value scala.language.dynamics visible. +trait C extends A with Dynamic + ^ +two errors found diff --git a/tests/untried/neg/t6952.scala b/tests/untried/neg/t6952.scala new file mode 100644 index 000000000..257ea3be6 --- /dev/null +++ b/tests/untried/neg/t6952.scala @@ -0,0 +1,4 @@ +trait A +trait B extends Dynamic +trait C extends A with Dynamic +trait D extends B diff --git a/tests/untried/neg/t696.check b/tests/untried/neg/t696.check new file mode 100644 index 000000000..b7bc5cdf9 --- /dev/null +++ b/tests/untried/neg/t696.check @@ -0,0 +1,9 @@ +t696.scala:5: error: diverging implicit expansion for type TypeUtil0.Type[Any] +starting with method WithType in object TypeUtil0 + as[Any](null) + ^ +t696.scala:6: error: diverging implicit expansion for type TypeUtil0.Type[X] +starting with method WithType in object TypeUtil0 + def foo[X]() = as[X](null) + ^ +two errors found diff --git a/tests/untried/neg/t696.scala b/tests/untried/neg/t696.scala new file mode 100644 index 000000000..ca76f7ef6 --- /dev/null +++ b/tests/untried/neg/t696.scala @@ -0,0 +1,7 @@ +object TypeUtil0 { + trait Type[+T] + implicit def WithType[S,T](implicit tpeS : Type[S], tpeT : Type[T]) : Type[S with T] = null + def as[T](x : Any)(implicit tpe : Type[T]) = null + as[Any](null) + def foo[X]() = as[X](null) +} diff --git a/tests/untried/neg/t6963a.check b/tests/untried/neg/t6963a.check new file mode 100644 index 000000000..5858e7740 --- /dev/null +++ b/tests/untried/neg/t6963a.check @@ -0,0 +1,7 @@ +t6963a.scala:4: warning: method scanRight in trait TraversableLike has changed semantics in version 2.9.0: +The behavior of `scanRight` has changed. The previous behavior can be reproduced with scanRight.reverse. + List(1,2,3,4,5).scanRight(0)(_+_) + ^ +error: No warnings can be incurred under -Xfatal-warnings. +one warning found +one error found diff --git a/tests/untried/neg/t6963a.flags b/tests/untried/neg/t6963a.flags new file mode 100644 index 000000000..4c61ed943 --- /dev/null +++ b/tests/untried/neg/t6963a.flags @@ -0,0 +1 @@ +-Xfatal-warnings -Xmigration:2.7 diff --git a/tests/untried/neg/t6963a.scala b/tests/untried/neg/t6963a.scala new file mode 100644 index 000000000..6808e541b --- /dev/null +++ b/tests/untried/neg/t6963a.scala @@ -0,0 +1,5 @@ +object Test { + import scala.collection.mutable._ + + List(1,2,3,4,5).scanRight(0)(_+_) +} diff --git a/tests/untried/neg/t700.check b/tests/untried/neg/t700.check new file mode 100644 index 000000000..4c0a2e5fd --- /dev/null +++ b/tests/untried/neg/t700.check @@ -0,0 +1,4 @@ +t700.scala:6: error: method foobar in trait Foo is accessed from super. It may not be abstract unless it is overridden by a member declared `abstract' and `override' + def foobar: Unit = super.foobar + ^ +one error found diff --git a/tests/untried/neg/t700.scala b/tests/untried/neg/t700.scala new file mode 100644 index 000000000..b08c8b552 --- /dev/null +++ b/tests/untried/neg/t700.scala @@ -0,0 +1,10 @@ +trait Foo { + def foobar: Unit; +} + +trait Bar extends Foo { + def foobar: Unit = super.foobar +} + +// the following definition breaks the compiler +abstract class Foobar extends Bar diff --git a/tests/untried/neg/t7007.check b/tests/untried/neg/t7007.check new file mode 100644 index 000000000..e22ecb9e4 --- /dev/null +++ b/tests/untried/neg/t7007.check @@ -0,0 +1,7 @@ +t7007.scala:5: error: Implementation restriction: <$anon: A => B> requires premature access to class Crash. + def this(a: Seq[A]) = this(a.collect{ case b: B => b}, a.collect{ case b: B => b}) + ^ +t7007.scala:5: error: Implementation restriction: <$anon: A => B> requires premature access to class Crash. + def this(a: Seq[A]) = this(a.collect{ case b: B => b}, a.collect{ case b: B => b}) + ^ +two errors found diff --git a/tests/untried/neg/t7007.scala b/tests/untried/neg/t7007.scala new file mode 100644 index 000000000..e41dccf55 --- /dev/null +++ b/tests/untried/neg/t7007.scala @@ -0,0 +1,14 @@ +class A +class B extends A + +class Crash(b1: Seq[B], b2: Seq[B]) { + def this(a: Seq[A]) = this(a.collect{ case b: B => b}, a.collect{ case b: B => b}) +} + +object Main extends App { + + // runtime exception with either constructor + val c1 = new Crash(Seq(new B, new B)) + val c2 = new Crash(Seq(new B), Seq(new B)) + +} diff --git a/tests/untried/neg/t7020.check b/tests/untried/neg/t7020.check new file mode 100644 index 000000000..76390b243 --- /dev/null +++ b/tests/untried/neg/t7020.check @@ -0,0 +1,19 @@ +t7020.scala:3: warning: match may not be exhaustive. +It would fail on the following inputs: List((x: Int forSome x not in (1, 2, 4, 5, 6, 7))), List((x: Int forSome x not in (1, 2, 4, 5, 6, 7)), _), List(1, _), List(2, _), List(4, _), List(5, _), List(6, _), List(7, _), List(_, _) + List(5) match { + ^ +t7020.scala:10: warning: match may not be exhaustive. +It would fail on the following inputs: List((x: Int forSome x not in (1, 2, 4, 5, 6, 7))), List((x: Int forSome x not in (1, 2, 4, 5, 6, 7)), _), List(1, _), List(2, _), List(4, _), List(5, _), List(6, _), List(7, _), List(_, _) + List(5) match { + ^ +t7020.scala:17: warning: match may not be exhaustive. +It would fail on the following inputs: List((x: Int forSome x not in (1, 2, 4, 5, 6, 7))), List((x: Int forSome x not in (1, 2, 4, 5, 6, 7)), _), List(1, _), List(2, _), List(4, _), List(5, _), List(6, _), List(7, _), List(_, _) + List(5) match { + ^ +t7020.scala:24: warning: match may not be exhaustive. +It would fail on the following inputs: List((x: Int forSome x not in (1, 2, 4, 5, 6, 7))), List((x: Int forSome x not in (1, 2, 4, 5, 6, 7)), _), List(1, _), List(2, _), List(4, _), List(5, _), List(6, _), List(7, _), List(_, _) + List(5) match { + ^ +error: No warnings can be incurred under -Xfatal-warnings. +four warnings found +one error found diff --git a/tests/untried/neg/t7020.flags b/tests/untried/neg/t7020.flags new file mode 100644 index 000000000..e8fb65d50 --- /dev/null +++ b/tests/untried/neg/t7020.flags @@ -0,0 +1 @@ +-Xfatal-warnings
\ No newline at end of file diff --git a/tests/untried/neg/t7020.scala b/tests/untried/neg/t7020.scala new file mode 100644 index 000000000..cc5421bab --- /dev/null +++ b/tests/untried/neg/t7020.scala @@ -0,0 +1,30 @@ +object Test { + // warning was non-deterministic + List(5) match { + case 1 :: Nil | 2 :: Nil => + case (x@(4 | 5 | 6)) :: Nil => + case 7 :: Nil => + case Nil => + } + + List(5) match { + case 1 :: Nil | 2 :: Nil => + case (x@(4 | 5 | 6)) :: Nil => + case 7 :: Nil => + case Nil => + } + + List(5) match { + case 1 :: Nil | 2 :: Nil => + case (x@(4 | 5 | 6)) :: Nil => + case 7 :: Nil => + case Nil => + } + + List(5) match { + case 1 :: Nil | 2 :: Nil => + case (x@(4 | 5 | 6)) :: Nil => + case 7 :: Nil => + case Nil => + } +} diff --git a/tests/untried/neg/t708.check b/tests/untried/neg/t708.check new file mode 100644 index 000000000..4983aab61 --- /dev/null +++ b/tests/untried/neg/t708.check @@ -0,0 +1,5 @@ +t708.scala:8: error: overriding type S in trait X with bounds <: A.this.T; + type S has incompatible type + override private[A] type S = Any; + ^ +one error found diff --git a/tests/untried/neg/t708.scala b/tests/untried/neg/t708.scala new file mode 100644 index 000000000..f86a00581 --- /dev/null +++ b/tests/untried/neg/t708.scala @@ -0,0 +1,12 @@ +trait A { + type T; + trait X { + private[A] type S <: T; + /*private[A]*/ def foo : S; + } + trait Y extends X { + override private[A] type S = Any; + override /*private[A]*/ def foo = null; + } +} + diff --git a/tests/untried/neg/t7110.check b/tests/untried/neg/t7110.check new file mode 100644 index 000000000..e484dc432 --- /dev/null +++ b/tests/untried/neg/t7110.check @@ -0,0 +1,6 @@ +t7110.scala:2: warning: A try without a catch or finally is equivalent to putting its body in a block; no exceptions are handled. + try { ??? } // warn + ^ +error: No warnings can be incurred under -Xfatal-warnings. +one warning found +one error found diff --git a/tests/untried/neg/t7110.flags b/tests/untried/neg/t7110.flags new file mode 100644 index 000000000..e8fb65d50 --- /dev/null +++ b/tests/untried/neg/t7110.flags @@ -0,0 +1 @@ +-Xfatal-warnings
\ No newline at end of file diff --git a/tests/untried/neg/t7110.scala b/tests/untried/neg/t7110.scala new file mode 100644 index 000000000..79ac32521 --- /dev/null +++ b/tests/untried/neg/t7110.scala @@ -0,0 +1,6 @@ +object Test { + try { ??? } // warn + + try { ??? } finally ??? // no warn + try { ??? } catch { case _: Throwable => } // no warn +} diff --git a/tests/untried/neg/t712.check b/tests/untried/neg/t712.check new file mode 100644 index 000000000..831e94306 --- /dev/null +++ b/tests/untried/neg/t712.check @@ -0,0 +1,5 @@ +t712.scala:10: error: value self is not a member of B.this.ParentImpl + Note: implicit method coerce is not applicable here because it comes after the application point and it lacks an explicit result type + implicit def coerce(p : ParentImpl) = p.self; + ^ +one error found diff --git a/tests/untried/neg/t712.scala b/tests/untried/neg/t712.scala new file mode 100644 index 000000000..6f2627743 --- /dev/null +++ b/tests/untried/neg/t712.scala @@ -0,0 +1,19 @@ +trait A { + type Node <: NodeImpl; + implicit def coerce(n : NodeImpl) = n.self; + trait NodeImpl { + def self : Node; + } +} +trait B extends A { + type Parent <: ParentImpl; + implicit def coerce(p : ParentImpl) = p.self; + trait ParentImpl; + type Symbol; + trait SymbolImpl { + def scope : Int; + } + implicit def coerceSym(sym : Symbol) : SymbolImpl; + var s : Symbol = _; + val s_scope = s.scope; +} diff --git a/tests/untried/neg/t715.check b/tests/untried/neg/t715.check new file mode 100644 index 000000000..2c01047a6 --- /dev/null +++ b/tests/untried/neg/t715.check @@ -0,0 +1,4 @@ +t715.scala:12: error: method chilren in trait NodeImpl is accessed from super. It may not be abstract unless it is overridden by a member declared `abstract' and `override' + override def children = super.chilren; + ^ +one error found diff --git a/tests/untried/neg/t715.scala b/tests/untried/neg/t715.scala new file mode 100644 index 000000000..87b2525a6 --- /dev/null +++ b/tests/untried/neg/t715.scala @@ -0,0 +1,15 @@ +package test; +trait B { + type Node <: NodeImpl; + trait NodeImpl { + def self : Node; + def chilren : List[Node]; + } +} +trait C extends B { + type Node <: NodeImpl; + trait NodeImpl extends super.NodeImpl { + override def children = super.chilren; + children; + } +} diff --git a/tests/untried/neg/t7157.check b/tests/untried/neg/t7157.check new file mode 100644 index 000000000..c6a7af9a2 --- /dev/null +++ b/tests/untried/neg/t7157.check @@ -0,0 +1,73 @@ +Test_2.scala:5: error: too many arguments for macro method m1_0_0: ()Unit + m1_0_0(1) + ^ +Test_2.scala:6: error: too many arguments for macro method m1_0_0: ()Unit + m1_0_0(1, 2) + ^ +Test_2.scala:7: error: too many arguments for macro method m1_0_0: ()Unit + m1_0_0(1, 2, 3) + ^ +Test_2.scala:9: error: macro applications do not support named and/or default arguments + m1_1_1() + ^ +Test_2.scala:11: error: too many arguments for macro method m1_1_1: (x: Int)Unit + m1_1_1(1, 2) + ^ +Test_2.scala:12: error: too many arguments for macro method m1_1_1: (x: Int)Unit + m1_1_1(1, 2, 3) + ^ +Test_2.scala:14: error: macro applications do not support named and/or default arguments + m1_2_2() + ^ +Test_2.scala:15: error: macro applications do not support named and/or default arguments + m1_2_2(1) + ^ +Test_2.scala:17: error: too many arguments for macro method m1_2_2: (x: Int, y: Int)Unit + m1_2_2(1, 2, 3) + ^ +Test_2.scala:24: error: macro applications do not support named and/or default arguments + m1_1_inf() + ^ +Test_2.scala:29: error: macro applications do not support named and/or default arguments + m1_2_inf() + ^ +Test_2.scala:30: error: macro applications do not support named and/or default arguments + m1_2_inf(1) + ^ +Test_2.scala:35: error: too many arguments for macro method m2_0_0: ()Unit + m2_0_0()(1) + ^ +Test_2.scala:36: error: too many arguments for macro method m2_0_0: ()Unit + m2_0_0()(1, 2) + ^ +Test_2.scala:37: error: too many arguments for macro method m2_0_0: ()Unit + m2_0_0()(1, 2, 3) + ^ +Test_2.scala:39: error: macro applications do not support named and/or default arguments + m2_1_1()() + ^ +Test_2.scala:41: error: too many arguments for macro method m2_1_1: (x: Int)Unit + m2_1_1()(1, 2) + ^ +Test_2.scala:42: error: too many arguments for macro method m2_1_1: (x: Int)Unit + m2_1_1()(1, 2, 3) + ^ +Test_2.scala:44: error: macro applications do not support named and/or default arguments + m2_2_2()() + ^ +Test_2.scala:45: error: macro applications do not support named and/or default arguments + m2_2_2()(1) + ^ +Test_2.scala:47: error: too many arguments for macro method m2_2_2: (x: Int, y: Int)Unit + m2_2_2()(1, 2, 3) + ^ +Test_2.scala:54: error: macro applications do not support named and/or default arguments + m2_1_inf()() + ^ +Test_2.scala:59: error: macro applications do not support named and/or default arguments + m2_2_inf()() + ^ +Test_2.scala:60: error: macro applications do not support named and/or default arguments + m2_2_inf()(1) + ^ +24 errors found diff --git a/tests/untried/neg/t7157/Impls_Macros_1.scala b/tests/untried/neg/t7157/Impls_Macros_1.scala new file mode 100644 index 000000000..e7a603006 --- /dev/null +++ b/tests/untried/neg/t7157/Impls_Macros_1.scala @@ -0,0 +1,32 @@ +import scala.reflect.macros.blackbox.Context +import language.experimental.macros + +object Macros { + def impl1_0_0(c: Context)() = { import c.universe._; c.Expr[Unit](q"""println("hello world")""") } + def impl1_1_1(c: Context)(x: c.Expr[Int]) = { import c.universe._; c.Expr[Unit](q"""println("hello world")""") } + def impl1_2_2(c: Context)(x: c.Expr[Int], y: c.Expr[Int]) = { import c.universe._; c.Expr[Unit](q"""println("hello world")""") } + def m1_0_0() = macro impl1_0_0 + def m1_1_1(x: Int) = macro impl1_1_1 + def m1_2_2(x: Int, y: Int) = macro impl1_2_2 + + def impl1_0_inf(c: Context)(x: c.Expr[Int]*) = { import c.universe._; c.Expr[Unit](q"""println("hello world")""") } + def impl1_1_inf(c: Context)(x: c.Expr[Int], y: c.Expr[Int]*) = { import c.universe._; c.Expr[Unit](q"""println("hello world")""") } + def impl1_2_inf(c: Context)(x: c.Expr[Int], y: c.Expr[Int], z: c.Expr[Int]*) = { import c.universe._; c.Expr[Unit](q"""println("hello world")""") } + def m1_0_inf(x: Int*) = macro impl1_0_inf + def m1_1_inf(x: Int, y: Int*) = macro impl1_1_inf + def m1_2_inf(x: Int, y: Int, z: Int*) = macro impl1_2_inf + + def impl2_0_0(c: Context)()() = { import c.universe._; c.Expr[Unit](q"""println("hello world")""") } + def impl2_1_1(c: Context)()(x: c.Expr[Int]) = { import c.universe._; c.Expr[Unit](q"""println("hello world")""") } + def impl2_2_2(c: Context)()(x: c.Expr[Int], y: c.Expr[Int]) = { import c.universe._; c.Expr[Unit](q"""println("hello world")""") } + def m2_0_0()() = macro impl2_0_0 + def m2_1_1()(x: Int) = macro impl2_1_1 + def m2_2_2()(x: Int, y: Int) = macro impl2_2_2 + + def impl2_0_inf(c: Context)()(x: c.Expr[Int]*) = { import c.universe._; c.Expr[Unit](q"""println("hello world")""") } + def impl2_1_inf(c: Context)()(x: c.Expr[Int], y: c.Expr[Int]*) = { import c.universe._; c.Expr[Unit](q"""println("hello world")""") } + def impl2_2_inf(c: Context)()(x: c.Expr[Int], y: c.Expr[Int], z: c.Expr[Int]*) = { import c.universe._; c.Expr[Unit](q"""println("hello world")""") } + def m2_0_inf()(x: Int*) = macro impl2_0_inf + def m2_1_inf()(x: Int, y: Int*) = macro impl2_1_inf + def m2_2_inf()(x: Int, y: Int, z: Int*) = macro impl2_2_inf +} diff --git a/tests/untried/neg/t7157/Test_2.scala b/tests/untried/neg/t7157/Test_2.scala new file mode 100644 index 000000000..faafb02a3 --- /dev/null +++ b/tests/untried/neg/t7157/Test_2.scala @@ -0,0 +1,63 @@ +import Macros._ + +object Test extends App { + m1_0_0() + m1_0_0(1) + m1_0_0(1, 2) + m1_0_0(1, 2, 3) + + m1_1_1() + m1_1_1(1) + m1_1_1(1, 2) + m1_1_1(1, 2, 3) + + m1_2_2() + m1_2_2(1) + m1_2_2(1, 2) + m1_2_2(1, 2, 3) + + m1_0_inf() + m1_0_inf(1) + m1_0_inf(1, 2) + m1_0_inf(1, 2, 3) + + m1_1_inf() + m1_1_inf(1) + m1_1_inf(1, 2) + m1_1_inf(1, 2, 3) + + m1_2_inf() + m1_2_inf(1) + m1_2_inf(1, 2) + m1_2_inf(1, 2, 3) + + m2_0_0()() + m2_0_0()(1) + m2_0_0()(1, 2) + m2_0_0()(1, 2, 3) + + m2_1_1()() + m2_1_1()(1) + m2_1_1()(1, 2) + m2_1_1()(1, 2, 3) + + m2_2_2()() + m2_2_2()(1) + m2_2_2()(1, 2) + m2_2_2()(1, 2, 3) + + m2_0_inf()() + m2_0_inf()(1) + m2_0_inf()(1, 2) + m2_0_inf()(1, 2, 3) + + m2_1_inf()() + m2_1_inf()(1) + m2_1_inf()(1, 2) + m2_1_inf()(1, 2, 3) + + m2_2_inf()() + m2_2_inf()(1) + m2_2_inf()(1, 2) + m2_2_inf()(1, 2, 3) +} diff --git a/tests/untried/neg/t7171.check b/tests/untried/neg/t7171.check new file mode 100644 index 000000000..ecd768afd --- /dev/null +++ b/tests/untried/neg/t7171.check @@ -0,0 +1,6 @@ +t7171.scala:2: warning: The outer reference in this type test cannot be checked at run time. + final case class A() + ^ +error: No warnings can be incurred under -Xfatal-warnings. +one warning found +one error found diff --git a/tests/untried/neg/t7171.flags b/tests/untried/neg/t7171.flags new file mode 100644 index 000000000..464cc20ea --- /dev/null +++ b/tests/untried/neg/t7171.flags @@ -0,0 +1 @@ +-Xfatal-warnings -unchecked
\ No newline at end of file diff --git a/tests/untried/neg/t7171.scala b/tests/untried/neg/t7171.scala new file mode 100644 index 000000000..534b2070a --- /dev/null +++ b/tests/untried/neg/t7171.scala @@ -0,0 +1,11 @@ +trait T { + final case class A() + + // Was: + // error: scrutinee is incompatible with pattern type; + // found : T.this.A + // required: T#A + def foo(a: T#A) = a match { + case _: A => true; case _ => false + } +} diff --git a/tests/untried/neg/t7171b.check b/tests/untried/neg/t7171b.check new file mode 100644 index 000000000..bf695afea --- /dev/null +++ b/tests/untried/neg/t7171b.check @@ -0,0 +1,6 @@ +t7171b.scala:2: warning: The outer reference in this type test cannot be checked at run time. + final case class A() + ^ +error: No warnings can be incurred under -Xfatal-warnings. +one warning found +one error found diff --git a/tests/untried/neg/t7171b.flags b/tests/untried/neg/t7171b.flags new file mode 100644 index 000000000..464cc20ea --- /dev/null +++ b/tests/untried/neg/t7171b.flags @@ -0,0 +1 @@ +-Xfatal-warnings -unchecked
\ No newline at end of file diff --git a/tests/untried/neg/t7171b.scala b/tests/untried/neg/t7171b.scala new file mode 100644 index 000000000..53c7787f8 --- /dev/null +++ b/tests/untried/neg/t7171b.scala @@ -0,0 +1,15 @@ +trait T { + final case class A() +} + +final class U extends T { + // this match should also not be deemed impossible + def foo(a: U#A) = a match { + case _: A => true; case _ => false + } + + // this match should also not be deemed impossible + def bar(a: T#A) = a match { + case _: A => true; case _ => false + } +} diff --git a/tests/untried/neg/t7214neg.check b/tests/untried/neg/t7214neg.check new file mode 100644 index 000000000..291af0457 --- /dev/null +++ b/tests/untried/neg/t7214neg.check @@ -0,0 +1,4 @@ +t7214neg.scala:28: error: not enough patterns for object Extractor offering Any: expected 1, found 0 + case Extractor() => + ^ +one error found diff --git a/tests/untried/neg/t7214neg.scala b/tests/untried/neg/t7214neg.scala new file mode 100644 index 000000000..ff1ea8082 --- /dev/null +++ b/tests/untried/neg/t7214neg.scala @@ -0,0 +1,57 @@ +// pattern matcher crashes here trying to synthesize an uneeded outer test. +// no-symbol does not have an owner +// at scala.reflect.internal.SymbolTable.abort(SymbolTable.scala:49) +// at scala.tools.nsc.Global.abort(Global.scala:253) +// at scala.reflect.internal.Symbols$NoSymbol.owner(Symbols.scala:3248) +// at scala.reflect.internal.Symbols$Symbol.effectiveOwner(Symbols.scala:678) +// at scala.reflect.internal.Symbols$Symbol.isDefinedInPackage(Symbols.scala:664) +// at scala.reflect.internal.TreeGen.mkAttributedSelect(TreeGen.scala:188) +// at scala.reflect.internal.TreeGen.mkAttributedRef(TreeGen.scala:124) +// at scala.tools.nsc.ast.TreeDSL$CODE$.REF(TreeDSL.scala:308) +// at scala.tools.nsc.typechecker.PatternMatching$TreeMakers$TypeTestTreeMaker$treeCondStrategy$.outerTest(PatternMatching.scala:1209) +class Crash { + type Alias = C#T + + val c = new C + val t = new c.T + + // Crash via a Typed Pattern... + (t: Any) match { + case e: Alias => + } + + // ... or via a Typed Extractor Pattern. + object Extractor { + def unapply(a: Alias): Option[Any] = None + } + (t: Any) match { + case Extractor() => + case _ => + } + + // checking that correct outer tests are applied when + // aliases for path dependent types are involved. + val c2 = new C + type CdotT = c.T + type C2dotT = c2.T + + val outerField = t.getClass.getDeclaredFields.find(_.getName contains ("outer")).get + outerField.setAccessible(true) + + (t: Any) match { + case _: C2dotT => + println(s"!!! wrong match. t.outer=${outerField.get(t)} / c2 = $c2") // this matches on 2.10.0 + case _: CdotT => + case _ => + println(s"!!! wrong match. t.outer=${outerField.get(t)} / c = $c") + } +} + +class C { + class T +} + +object Test extends App { + new Crash +} + diff --git a/tests/untried/neg/t7235.check b/tests/untried/neg/t7235.check new file mode 100644 index 000000000..357a3dfd8 --- /dev/null +++ b/tests/untried/neg/t7235.check @@ -0,0 +1,4 @@ +t7235.scala:9: error: implementation restriction: cannot reify refinement type trees with non-empty bodies + val Block(List(ValDef(_, _, tpt: CompoundTypeTree, _)), _) = reify{ val x: C { def x: Int } = ??? }.tree + ^ +one error found diff --git a/tests/untried/neg/t7235.scala b/tests/untried/neg/t7235.scala new file mode 100644 index 000000000..cfebad3fa --- /dev/null +++ b/tests/untried/neg/t7235.scala @@ -0,0 +1,14 @@ +import scala.reflect.runtime.universe._ +import scala.reflect.runtime.{universe => ru} +import scala.reflect.runtime.{currentMirror => cm} +import scala.tools.reflect.ToolBox + +class C + +object Test extends App { + val Block(List(ValDef(_, _, tpt: CompoundTypeTree, _)), _) = reify{ val x: C { def x: Int } = ??? }.tree + println(tpt) + println(tpt.templ.parents) + println(tpt.templ.self) + println(tpt.templ.body) +} diff --git a/tests/untried/neg/t7238.check b/tests/untried/neg/t7238.check new file mode 100644 index 000000000..b87f83ff6 --- /dev/null +++ b/tests/untried/neg/t7238.check @@ -0,0 +1,6 @@ +t7238.scala:6: error: type mismatch; + found : Seq[Any] + required: Seq[String] + c.c()(Seq[Any](): _*) + ^ +one error found diff --git a/tests/untried/neg/t7238.scala b/tests/untried/neg/t7238.scala new file mode 100644 index 000000000..d42dc8d38 --- /dev/null +++ b/tests/untried/neg/t7238.scala @@ -0,0 +1,7 @@ +trait Main { + trait C { + def c(x: Any = 0)(bs: String*) + } + def c: C + c.c()(Seq[Any](): _*) +} diff --git a/tests/untried/neg/t7239.check b/tests/untried/neg/t7239.check new file mode 100644 index 000000000..80b14f8fc --- /dev/null +++ b/tests/untried/neg/t7239.check @@ -0,0 +1,4 @@ +t7239.scala:10: error: not found: value foBar + fooBar = foBar.toInt + ^ +one error found diff --git a/tests/untried/neg/t7239.scala b/tests/untried/neg/t7239.scala new file mode 100644 index 000000000..f62cac0a4 --- /dev/null +++ b/tests/untried/neg/t7239.scala @@ -0,0 +1,12 @@ +class Foo { + def toInt = 12 +} +case class Bar( fooBar : Int ) + +// spurious "erroneous or inaccessible type" error in 2.10.1 +class Test { + var fooBar : Foo = null + def build = Bar( + fooBar = foBar.toInt + ) +} diff --git a/tests/untried/neg/t7251.check b/tests/untried/neg/t7251.check new file mode 100644 index 000000000..8df8984d6 --- /dev/null +++ b/tests/untried/neg/t7251.check @@ -0,0 +1,4 @@ +B_2.scala:5: error: object s.Outer$Triple$ is not a value + println( s.Outer$Triple$ ) + ^ +one error found diff --git a/tests/untried/neg/t7251/A_1.scala b/tests/untried/neg/t7251/A_1.scala new file mode 100644 index 000000000..d05373ed2 --- /dev/null +++ b/tests/untried/neg/t7251/A_1.scala @@ -0,0 +1,10 @@ +package s + +object Outer { + type Triple[+A, +B, +C] = Tuple3[A, B, C] + object Triple { + def apply[A, B, C](x: A, y: B, z: C) = Tuple3(x, y, z) + def unapply[A, B, C](x: Tuple3[A, B, C]): Option[Tuple3[A, B, C]] = Some(x) + } +} + diff --git a/tests/untried/neg/t7251/B_2.scala b/tests/untried/neg/t7251/B_2.scala new file mode 100644 index 000000000..eb59b3090 --- /dev/null +++ b/tests/untried/neg/t7251/B_2.scala @@ -0,0 +1,7 @@ +package s + +object Test { + def main(args: Array[String]): Unit = { + println( s.Outer$Triple$ ) + } +} diff --git a/tests/untried/neg/t7259.check b/tests/untried/neg/t7259.check new file mode 100644 index 000000000..0ad627fc3 --- /dev/null +++ b/tests/untried/neg/t7259.check @@ -0,0 +1,7 @@ +t7259.scala:1: error: not found: type xxxxx +@xxxxx // error: not found: type xxxx + ^ +t7259.scala:8: error: type xxxxx is not a member of package annotation +@annotation.xxxxx // error: not found: type scala + ^ +two errors found diff --git a/tests/untried/neg/t7259.scala b/tests/untried/neg/t7259.scala new file mode 100644 index 000000000..0fdfe1882 --- /dev/null +++ b/tests/untried/neg/t7259.scala @@ -0,0 +1,9 @@ +@xxxxx // error: not found: type xxxx +class Ok + +// +// This had the wrong error message in 2.9 and 2.10. +// + +@annotation.xxxxx // error: not found: type scala +class WrongErrorMessage diff --git a/tests/untried/neg/t7285.check b/tests/untried/neg/t7285.check new file mode 100644 index 000000000..a38772bea --- /dev/null +++ b/tests/untried/neg/t7285.check @@ -0,0 +1,15 @@ +t7285.scala:15: warning: match may not be exhaustive. +It would fail on the following input: (Up, Down) + (d1, d2) match { + ^ +t7285.scala:33: warning: match may not be exhaustive. +It would fail on the following input: Down + (d1) match { + ^ +t7285.scala:51: warning: match may not be exhaustive. +It would fail on the following input: (Up, Down) + (d1, d2) match { + ^ +error: No warnings can be incurred under -Xfatal-warnings. +three warnings found +one error found diff --git a/tests/untried/neg/t7285.flags b/tests/untried/neg/t7285.flags new file mode 100644 index 000000000..e8fb65d50 --- /dev/null +++ b/tests/untried/neg/t7285.flags @@ -0,0 +1 @@ +-Xfatal-warnings
\ No newline at end of file diff --git a/tests/untried/neg/t7285.scala b/tests/untried/neg/t7285.scala new file mode 100644 index 000000000..14121d92b --- /dev/null +++ b/tests/untried/neg/t7285.scala @@ -0,0 +1,55 @@ +sealed abstract class Base + + +object Test1 { + sealed abstract class Base + + object Base { + case object Down extends Base { + } + + case object Up extends Base { + } + + (d1: Base, d2: Base) => + (d1, d2) match { + case (Up, Up) | (Down, Down) => false + case (Down, Up) => true + } + } +} + +object Test2 { + sealed abstract class Base + + object Base { + case object Down extends Base { + } + + case object Up extends Base { + } + + (d1: Base, d2: Base) => + (d1) match { + case Test2.Base.Up => false + } + } +} + + +object Test4 { + sealed abstract class Base + + object Base { + case object Down extends Base + + case object Up extends Base + } + + import Test4.Base._ + (d1: Base, d2: Base) => + (d1, d2) match { + case (Up, Up) | (Down, Down) => false + case (Down, Test4.Base.Up) => true + } +} diff --git a/tests/untried/neg/t7289.check b/tests/untried/neg/t7289.check new file mode 100644 index 000000000..e4aeebbc6 --- /dev/null +++ b/tests/untried/neg/t7289.check @@ -0,0 +1,4 @@ +t7289.scala:8: error: could not find implicit value for parameter e: Test.Schtroumpf[scala.collection.immutable.Nil.type] + implicitly[Schtroumpf[Nil.type]] + ^ +one error found diff --git a/tests/untried/neg/t7289.scala b/tests/untried/neg/t7289.scala new file mode 100644 index 000000000..ad9340055 --- /dev/null +++ b/tests/untried/neg/t7289.scala @@ -0,0 +1,39 @@ +object Test extends App { + trait Schtroumpf[T] + + implicit def schtroumpf[T, U <: Coll[T], Coll[X] <: Traversable[X]] + (implicit minorSchtroumpf: Schtroumpf[T]): Schtroumpf[U] = ??? + + implicit val qoo: Schtroumpf[Int] = new Schtroumpf[Int]{} + implicitly[Schtroumpf[Nil.type]] +} + +/* +info1 = {scala.tools.nsc.typechecker.Implicits$ImplicitInfo@3468}"qoo: => Test.Schtroumpf[Int]" +info2 = {scala.tools.nsc.typechecker.Implicits$ImplicitInfo@3469}"schtroumpf: [T, U <: Coll[T], Coll[_] <: Traversable[_]](implicit minorSchtroumpf: Test.Schtroumpf[T])Test.Schtroumpf[U]" +isStrictlyMoreSpecific(info1, info2) + isSubType(Test.Schtroumpf[Int], Test.Schtroumpf[U] forSome { T; U <: Coll[T]; Coll[_] <: Traversable[_] }) + isAsSpecificValueType(Test.Schtroumpf[Int], Test.Schtroumpf[U], undef2 = List(type T, type U, type Coll)) + + val et: ExistentialType = Test.Schtroumpf[U] forSome { T; U <: Coll[T]; Coll[_] <: Traversable[_] } + val tp1 = Test.Schtroumpf[Int] + et.withTypeVars(isSubType(tp1, _, depth)) + solve() + tvars = tList(=?Nothing, =?Int, =?=?Int) + + +[ create] ?T ( In Test#schtroumpf[T,U <: Coll[T],Coll[_] <: Traversable[_]] ) +[ create] ?U ( In Test#schtroumpf[T,U <: Coll[T],Coll[_] <: Traversable[_]] ) +[ create] ?Coll ( In Test#schtroumpf[T,U <: Coll[T],Coll[_] <: Traversable[_]] ) +[ setInst] Nothing ( In Test#schtroumpf[T,U <: Coll[T],Coll[_] <: Traversable[_]], T=Nothing ) +[ setInst] scala.collection.immutable.Nil.type( In Test#schtroumpf[T,U <: Coll[T],Coll[_] <: Traversable[_]], U=scala.collection.immutable.Nil.type ) +[ setInst] =?scala.collection.immutable.Nil.type( In Test#schtroumpf[T,U <: Coll[T],Coll[_] <: Traversable[_]], Coll==?scala.collection.immutable.Nil.type ) +[ create] ?T ( In Test#schtroumpf[T,U <: Coll[T],Coll[_] <: Traversable[_]] ) +[ setInst] Int ( In Test#schtroumpf[T,U <: Coll[T],Coll[_] <: Traversable[_]], T=Int ) +[ create] ?T ( In Test#schtroumpf[T,U <: Coll[T],Coll[_] <: Traversable[_]] ) +[ create] ?U ( In Test#schtroumpf[T,U <: Coll[T],Coll[_] <: Traversable[_]] ) +[ create] ?Coll ( In Test#schtroumpf[T,U <: Coll[T],Coll[_] <: Traversable[_]] ) +[ setInst] Nothing ( In Test#schtroumpf[T,U <: Coll[T],Coll[_] <: Traversable[_]], T=Nothing ) +[ setInst] Int ( In Test#schtroumpf[T,U <: Coll[T],Coll[_] <: Traversable[_]], U=Int ) +[ setInst] =?Int ( In Test#schtroumpf[T,U <: Coll[T],Coll[_] <: Traversable[_]], Coll==?Int ) +*/ diff --git a/tests/untried/neg/t7289_status_quo.check b/tests/untried/neg/t7289_status_quo.check new file mode 100644 index 000000000..31c072e96 --- /dev/null +++ b/tests/untried/neg/t7289_status_quo.check @@ -0,0 +1,22 @@ +t7289_status_quo.scala:9: error: could not find implicit value for parameter e: Test1.Ext[List[Int]] + implicitly[Ext[List[Int]]] // fails - not found + ^ +t7289_status_quo.scala:11: error: could not find implicit value for parameter e: Test1.Ext[List[List[List[Int]]]] + implicitly[Ext[List[List[List[Int]]]]] // fails - not found + ^ +t7289_status_quo.scala:15: error: ambiguous implicit values: + both method f in object Test1 of type [A, Coll <: CC[A], CC[X] <: Traversable[X]](implicit xi: Test1.Ext[A])Test1.Ext[Coll] + and value m in object Test1 of type => Test1.Ext[List[List[Int]]] + match expected type Test1.Ext[_ <: List[List[Int]]] + implicitly[Ext[_ <: List[List[Int]]]] // fails - ambiguous + ^ +t7289_status_quo.scala:20: error: could not find implicit value for parameter e: Test1.ExtCov[List[Int]] + implicitly[ExtCov[List[Int]]] // fails - not found + ^ +t7289_status_quo.scala:21: error: could not find implicit value for parameter e: Test1.ExtCov[List[List[Int]]] + implicitly[ExtCov[List[List[Int]]]] // fails - not found + ^ +t7289_status_quo.scala:22: error: could not find implicit value for parameter e: Test1.ExtCov[List[List[List[Int]]]] + implicitly[ExtCov[List[List[List[Int]]]]] // fails - not found + ^ +6 errors found diff --git a/tests/untried/neg/t7289_status_quo.scala b/tests/untried/neg/t7289_status_quo.scala new file mode 100644 index 000000000..e1f9a9f8a --- /dev/null +++ b/tests/untried/neg/t7289_status_quo.scala @@ -0,0 +1,23 @@ +// record the status quo after this fix +// not clear to @adriaanm why an upper-bounded existential in an invariant position +// is different from putting that upper bound in a covariant position +object Test1 { + trait Ext[T] + implicit def f[A, Coll <: CC[A], CC[X] <: Traversable[X]](implicit xi: Ext[A]): Ext[Coll] = ??? + implicit val m: Ext[List[List[Int]]] = new Ext[List[List[Int]]]{} + + implicitly[Ext[List[Int]]] // fails - not found + implicitly[Ext[List[List[Int]]]] // compiles + implicitly[Ext[List[List[List[Int]]]]] // fails - not found + + // Making Ext[+T] should incur the same behavior as these. (so says @paulp) + implicitly[Ext[_ <: List[Int]]] // compiles + implicitly[Ext[_ <: List[List[Int]]]] // fails - ambiguous + implicitly[Ext[_ <: List[List[List[Int]]]]] // compiles + + // But, we currently get: + trait ExtCov[+T] + implicitly[ExtCov[List[Int]]] // fails - not found + implicitly[ExtCov[List[List[Int]]]] // fails - not found + implicitly[ExtCov[List[List[List[Int]]]]] // fails - not found +} diff --git a/tests/untried/neg/t729.check b/tests/untried/neg/t729.check new file mode 100644 index 000000000..fb858dc09 --- /dev/null +++ b/tests/untried/neg/t729.check @@ -0,0 +1,6 @@ +t729.scala:20: error: type mismatch; + found : ScalaParserAutoEdit.this.NodeImpl(in trait Parser) + required: ScalaParserAutoEdit.this.NodeImpl(in trait ScalaParserAutoEdit) + val yyy : NodeImpl = link.from; + ^ +one error found diff --git a/tests/untried/neg/t729.scala b/tests/untried/neg/t729.scala new file mode 100644 index 000000000..83e7f4cd1 --- /dev/null +++ b/tests/untried/neg/t729.scala @@ -0,0 +1,23 @@ +trait Parser { + type Node <: NodeImpl; + implicit def coerce(n : NodeImpl) = n.self; + trait NodeImpl { + def self : Node; + } + trait Link { + def from : NodeImpl; + } +} + +trait ScalaParserAutoEdit extends Parser { + type Node <: NodeImpl; + implicit def coerce(node : NodeImpl) = node.self; + trait NodeImpl extends super[Parser].NodeImpl { + def self : Node; + def foo = { + var link : Link = null; + val xxx : NodeImpl = coerce(link.from); + val yyy : NodeImpl = link.from; + } + } +} diff --git a/tests/untried/neg/t7290.check b/tests/untried/neg/t7290.check new file mode 100644 index 000000000..ad2d0e25b --- /dev/null +++ b/tests/untried/neg/t7290.check @@ -0,0 +1,12 @@ +t7290.scala:4: warning: Pattern contains duplicate alternatives: 0 + case 0 | 0 => 0 + ^ +t7290.scala:5: warning: Pattern contains duplicate alternatives: 2, 3 + case 2 | 2 | 2 | 3 | 2 | 3 => 0 + ^ +t7290.scala:6: warning: Pattern contains duplicate alternatives: 4 + case 4 | (_ @ 4) => 0 + ^ +error: No warnings can be incurred under -Xfatal-warnings. +three warnings found +one error found diff --git a/tests/untried/neg/t7290.flags b/tests/untried/neg/t7290.flags new file mode 100644 index 000000000..e8fb65d50 --- /dev/null +++ b/tests/untried/neg/t7290.flags @@ -0,0 +1 @@ +-Xfatal-warnings
\ No newline at end of file diff --git a/tests/untried/neg/t7290.scala b/tests/untried/neg/t7290.scala new file mode 100644 index 000000000..b9db7f7e8 --- /dev/null +++ b/tests/untried/neg/t7290.scala @@ -0,0 +1,10 @@ +object Test extends App { + val y = (0: Int) match { + case 1 => 1 + case 0 | 0 => 0 + case 2 | 2 | 2 | 3 | 2 | 3 => 0 + case 4 | (_ @ 4) => 0 + case _ => -1 + } + assert(y == 0, y) +} diff --git a/tests/untried/neg/t7292-deprecation.check b/tests/untried/neg/t7292-deprecation.check new file mode 100644 index 000000000..17f010dfd --- /dev/null +++ b/tests/untried/neg/t7292-deprecation.check @@ -0,0 +1,12 @@ +t7292-deprecation.scala:2: warning: Octal escape literals are deprecated, use \u0000 instead. + val chr1 = '\0' + ^ +t7292-deprecation.scala:3: warning: Octal escape literals are deprecated, use \u0053 instead. + val str1 = "abc\123456" + ^ +t7292-deprecation.scala:4: warning: Octal escape literals are deprecated, use \n instead. + val lf = '\012' + ^ +error: No warnings can be incurred under -Xfatal-warnings. +three warnings found +one error found diff --git a/tests/untried/neg/t7292-deprecation.flags b/tests/untried/neg/t7292-deprecation.flags new file mode 100644 index 000000000..7de3c0f3e --- /dev/null +++ b/tests/untried/neg/t7292-deprecation.flags @@ -0,0 +1 @@ +-Xfatal-warnings -deprecation diff --git a/tests/untried/neg/t7292-deprecation.scala b/tests/untried/neg/t7292-deprecation.scala new file mode 100644 index 000000000..d857f0e1e --- /dev/null +++ b/tests/untried/neg/t7292-deprecation.scala @@ -0,0 +1,5 @@ +object OctalEscapes { + val chr1 = '\0' + val str1 = "abc\123456" + val lf = '\012' +} diff --git a/tests/untried/neg/t7292-removal.check b/tests/untried/neg/t7292-removal.check new file mode 100644 index 000000000..1cd59b099 --- /dev/null +++ b/tests/untried/neg/t7292-removal.check @@ -0,0 +1,10 @@ +t7292-removal.scala:2: error: Octal escape literals are unsupported, use \u0000 instead. + val chr1 = '\0' + ^ +t7292-removal.scala:3: error: Octal escape literals are unsupported, use \u0053 instead. + val str1 = "abc\123456" + ^ +t7292-removal.scala:4: error: Octal escape literals are unsupported, use \n instead. + val lf = '\012' + ^ +three errors found diff --git a/tests/untried/neg/t7292-removal.flags b/tests/untried/neg/t7292-removal.flags new file mode 100644 index 000000000..29f4ede37 --- /dev/null +++ b/tests/untried/neg/t7292-removal.flags @@ -0,0 +1 @@ +-Xfuture diff --git a/tests/untried/neg/t7292-removal.scala b/tests/untried/neg/t7292-removal.scala new file mode 100644 index 000000000..d857f0e1e --- /dev/null +++ b/tests/untried/neg/t7292-removal.scala @@ -0,0 +1,5 @@ +object OctalEscapes { + val chr1 = '\0' + val str1 = "abc\123456" + val lf = '\012' +} diff --git a/tests/untried/neg/t7294.check b/tests/untried/neg/t7294.check new file mode 100644 index 000000000..f15289c1c --- /dev/null +++ b/tests/untried/neg/t7294.check @@ -0,0 +1,6 @@ +t7294.scala:4: warning: fruitless type test: a value of type (Int, Int) cannot also be a Seq[A] + (1, 2) match { case Seq() => 0; case _ => 1 } + ^ +error: No warnings can be incurred under -Xfatal-warnings. +one warning found +one error found diff --git a/tests/untried/neg/t7294.flags b/tests/untried/neg/t7294.flags new file mode 100644 index 000000000..3f3381a45 --- /dev/null +++ b/tests/untried/neg/t7294.flags @@ -0,0 +1 @@ +-Xfuture -Xfatal-warnings diff --git a/tests/untried/neg/t7294.scala b/tests/untried/neg/t7294.scala new file mode 100644 index 000000000..335d07112 --- /dev/null +++ b/tests/untried/neg/t7294.scala @@ -0,0 +1,5 @@ +object Test { + // Treat TupleN as final under -Xfuture for the for the purposes + // of the "fruitless type test" warning. + (1, 2) match { case Seq() => 0; case _ => 1 } +} diff --git a/tests/untried/neg/t7294b.check b/tests/untried/neg/t7294b.check new file mode 100644 index 000000000..0033b7212 --- /dev/null +++ b/tests/untried/neg/t7294b.check @@ -0,0 +1,6 @@ +t7294b.scala:1: warning: inheritance from class Tuple2 in package scala is deprecated: Tuples will be made final in a future version. +class C extends Tuple2[Int, Int](0, 0) + ^ +error: No warnings can be incurred under -Xfatal-warnings. +one warning found +one error found diff --git a/tests/untried/neg/t7294b.flags b/tests/untried/neg/t7294b.flags new file mode 100644 index 000000000..d1b831ea8 --- /dev/null +++ b/tests/untried/neg/t7294b.flags @@ -0,0 +1 @@ +-deprecation -Xfatal-warnings
\ No newline at end of file diff --git a/tests/untried/neg/t7294b.scala b/tests/untried/neg/t7294b.scala new file mode 100644 index 000000000..deeed4fc7 --- /dev/null +++ b/tests/untried/neg/t7294b.scala @@ -0,0 +1 @@ +class C extends Tuple2[Int, Int](0, 0) diff --git a/tests/untried/neg/t7299.check b/tests/untried/neg/t7299.check new file mode 100644 index 000000000..74340c484 --- /dev/null +++ b/tests/untried/neg/t7299.check @@ -0,0 +1,7 @@ +t7299.scala:4: error: implementation restricts functions to 22 parameters + val eta1 = f _ + ^ +t7299.scala:5: error: implementation restricts functions to 22 parameters + val eta2 = g[Any] _ + ^ +two errors found diff --git a/tests/untried/neg/t7299.scala b/tests/untried/neg/t7299.scala new file mode 100644 index 000000000..f3aae5ce5 --- /dev/null +++ b/tests/untried/neg/t7299.scala @@ -0,0 +1,6 @@ +object Test { + def f(a1: Int, a2: Int, a3: Int, a4: Int, a5: Int, a6: Int, a7: Int, a8: Int, a9: Int, a10: Int, a11: Int, a12: Int, a13: Int, a14: Int, a15: Int, a16: Int, a17: Int, a18: Int, a19: Int, a20: Int, a21: Int, a22: Int, a23: Int) = 0 + def g[A](a1: Int, a2: Int, a3: Int, a4: Int, a5: Int, a6: Int, a7: Int, a8: Int, a9: Int, a10: Int, a11: Int, a12: Int, a13: Int, a14: Int, a15: Int, a16: Int, a17: Int, a18: Int, a19: Int, a20: Int, a21: Int, a22: Int, a23: Int) = 0 + val eta1 = f _ + val eta2 = g[Any] _ +} diff --git a/tests/untried/neg/t7324.check b/tests/untried/neg/t7324.check new file mode 100644 index 000000000..586947d5e --- /dev/null +++ b/tests/untried/neg/t7324.check @@ -0,0 +1,4 @@ +t7324.scala:2: error: Platform restriction: a parameter list's length cannot exceed 254. +class Bar( + ^ +one error found diff --git a/tests/untried/neg/t7324.scala b/tests/untried/neg/t7324.scala new file mode 100644 index 000000000..81d7674d6 --- /dev/null +++ b/tests/untried/neg/t7324.scala @@ -0,0 +1,57 @@ +object Bar extends App +class Bar( +_1: Int, _2: Int, _3: Int, _4: Int, _5: Int, _6: Int, _7: Int, _8: Int, _9: Int, _10: Int, +_11: Int, _12: Int, _13: Int, _14: Int, _15: Int, _16: Int, _17: Int, _18: Int, _19: Int, _20: Int, +_21: Int, _22: Int, _23: Int, _24: Int, _25: Int, _26: Int, _27: Int, _28: Int, _29: Int, _30: Int, +_31: Int, _32: Int, _33: Int, _34: Int, _35: Int, _36: Int, _37: Int, _38: Int, _39: Int, _40: Int, +_41: Int, _42: Int, _43: Int, _44: Int, _45: Int, _46: Int, _47: Int, _48: Int, _49: Int, _50: Int, +_51: Int, _52: Int, _53: Int, _54: Int, _55: Int, _56: Int, _57: Int, _58: Int, _59: Int, _60: Int, +_61: Int, _62: Int, _63: Int, _64: Int, _65: Int, _66: Int, _67: Int, _68: Int, _69: Int, _70: Int, +_71: Int, _72: Int, _73: Int, _74: Int, _75: Int, _76: Int, _77: Int, _78: Int, _79: Int, _80: Int, +_81: Int, _82: Int, _83: Int, _84: Int, _85: Int, _86: Int, _87: Int, _88: Int, _89: Int, _90: Int, +_91: Int, _92: Int, _93: Int, _94: Int, _95: Int, _96: Int, _97: Int, _98: Int, _99: Int, _100: Int, +_101: Int, _102: Int, _103: Int, _104: Int, _105: Int, _106: Int, _107: Int, _108: Int, _109: Int, _110: Int, +_111: Int, _112: Int, _113: Int, _114: Int, _115: Int, _116: Int, _117: Int, _118: Int, _119: Int, _120: Int, +_121: Int, _122: Int, _123: Int, _124: Int, _125: Int, _126: Int, _127: Int, _128: Int, _129: Int, _130: Int, +_131: Int, _132: Int, _133: Int, _134: Int, _135: Int, _136: Int, _137: Int, _138: Int, _139: Int, _140: Int, +_141: Int, _142: Int, _143: Int, _144: Int, _145: Int, _146: Int, _147: Int, _148: Int, _149: Int, _150: Int, +_151: Int, _152: Int, _153: Int, _154: Int, _155: Int, _156: Int, _157: Int, _158: Int, _159: Int, _160: Int, +_161: Int, _162: Int, _163: Int, _164: Int, _165: Int, _166: Int, _167: Int, _168: Int, _169: Int, _170: Int, +_171: Int, _172: Int, _173: Int, _174: Int, _175: Int, _176: Int, _177: Int, _178: Int, _179: Int, _180: Int, +_181: Int, _182: Int, _183: Int, _184: Int, _185: Int, _186: Int, _187: Int, _188: Int, _189: Int, _190: Int, +_191: Int, _192: Int, _193: Int, _194: Int, _195: Int, _196: Int, _197: Int, _198: Int, _199: Int, _200: Int, +_201: Int, _202: Int, _203: Int, _204: Int, _205: Int, _206: Int, _207: Int, _208: Int, _209: Int, _210: Int, +_211: Int, _212: Int, _213: Int, _214: Int, _215: Int, _216: Int, _217: Int, _218: Int, _219: Int, _220: Int, +_221: Int, _222: Int, _223: Int, _224: Int, _225: Int, _226: Int, _227: Int, _228: Int, _229: Int, _230: Int, +_231: Int, _232: Int, _233: Int, _234: Int, _235: Int, _236: Int, _237: Int, _238: Int, _239: Int, _240: Int, +_241: Int, _242: Int, _243: Int, _244: Int, _245: Int, _246: Int, _247: Int, _248: Int, _249: Int, _250: Int, +_251: Int, _252: Int, _253: Int, _254: Int, _255: Int +) + +class BarOK( +_1: Int, _2: Int, _3: Int, _4: Int, _5: Int, _6: Int, _7: Int, _8: Int, _9: Int, _10: Int, +_11: Int, _12: Int, _13: Int, _14: Int, _15: Int, _16: Int, _17: Int, _18: Int, _19: Int, _20: Int, +_21: Int, _22: Int, _23: Int, _24: Int, _25: Int, _26: Int, _27: Int, _28: Int, _29: Int, _30: Int, +_31: Int, _32: Int, _33: Int, _34: Int, _35: Int, _36: Int, _37: Int, _38: Int, _39: Int, _40: Int, +_41: Int, _42: Int, _43: Int, _44: Int, _45: Int, _46: Int, _47: Int, _48: Int, _49: Int, _50: Int, +_51: Int, _52: Int, _53: Int, _54: Int, _55: Int, _56: Int, _57: Int, _58: Int, _59: Int, _60: Int, +_61: Int, _62: Int, _63: Int, _64: Int, _65: Int, _66: Int, _67: Int, _68: Int, _69: Int, _70: Int, +_71: Int, _72: Int, _73: Int, _74: Int, _75: Int, _76: Int, _77: Int, _78: Int, _79: Int, _80: Int, +_81: Int, _82: Int, _83: Int, _84: Int, _85: Int, _86: Int, _87: Int, _88: Int, _89: Int, _90: Int, +_91: Int, _92: Int, _93: Int, _94: Int, _95: Int, _96: Int, _97: Int, _98: Int, _99: Int, _100: Int, +_101: Int, _102: Int, _103: Int, _104: Int, _105: Int, _106: Int, _107: Int, _108: Int, _109: Int, _110: Int, +_111: Int, _112: Int, _113: Int, _114: Int, _115: Int, _116: Int, _117: Int, _118: Int, _119: Int, _120: Int, +_121: Int, _122: Int, _123: Int, _124: Int, _125: Int, _126: Int, _127: Int, _128: Int, _129: Int, _130: Int, +_131: Int, _132: Int, _133: Int, _134: Int, _135: Int, _136: Int, _137: Int, _138: Int, _139: Int, _140: Int, +_141: Int, _142: Int, _143: Int, _144: Int, _145: Int, _146: Int, _147: Int, _148: Int, _149: Int, _150: Int, +_151: Int, _152: Int, _153: Int, _154: Int, _155: Int, _156: Int, _157: Int, _158: Int, _159: Int, _160: Int, +_161: Int, _162: Int, _163: Int, _164: Int, _165: Int, _166: Int, _167: Int, _168: Int, _169: Int, _170: Int, +_171: Int, _172: Int, _173: Int, _174: Int, _175: Int, _176: Int, _177: Int, _178: Int, _179: Int, _180: Int, +_181: Int, _182: Int, _183: Int, _184: Int, _185: Int, _186: Int, _187: Int, _188: Int, _189: Int, _190: Int, +_191: Int, _192: Int, _193: Int, _194: Int, _195: Int, _196: Int, _197: Int, _198: Int, _199: Int, _200: Int, +_201: Int, _202: Int, _203: Int, _204: Int, _205: Int, _206: Int, _207: Int, _208: Int, _209: Int, _210: Int, +_211: Int, _212: Int, _213: Int, _214: Int, _215: Int, _216: Int, _217: Int, _218: Int, _219: Int, _220: Int, +_221: Int, _222: Int, _223: Int, _224: Int, _225: Int, _226: Int, _227: Int, _228: Int, _229: Int, _230: Int, +_231: Int, _232: Int, _233: Int, _234: Int, _235: Int, _236: Int, _237: Int, _238: Int, _239: Int, _240: Int, +_241: Int, _242: Int, _243: Int, _244: Int, _245: Int, _246: Int, _247: Int, _248: Int, _249: Int, _250: Int, +_251: Int, _252: Int, _253: Int, _254: Int) diff --git a/tests/untried/neg/t7325.check b/tests/untried/neg/t7325.check new file mode 100644 index 000000000..61c33f99b --- /dev/null +++ b/tests/untried/neg/t7325.check @@ -0,0 +1,19 @@ +t7325.scala:2: error: Missing conversion operator in '%'; use %% for literal %, %n for newline + println(f"%") + ^ +t7325.scala:4: error: Missing conversion operator in '%'; use %% for literal %, %n for newline + println(f"%%%") + ^ +t7325.scala:6: error: Missing conversion operator in '%'; use %% for literal %, %n for newline + println(f"%%%%%") + ^ +t7325.scala:16: error: Missing conversion operator in '%'; use %% for literal %, %n for newline + println(f"${0}%") + ^ +t7325.scala:19: error: conversions must follow a splice; use %% for literal %, %n for newline + println(f"${0}%%%d") + ^ +t7325.scala:21: error: conversions must follow a splice; use %% for literal %, %n for newline + println(f"${0}%%%%%d") + ^ +6 errors found diff --git a/tests/untried/neg/t7325.scala b/tests/untried/neg/t7325.scala new file mode 100644 index 000000000..45a726d70 --- /dev/null +++ b/tests/untried/neg/t7325.scala @@ -0,0 +1,25 @@ +object Test extends App { + println(f"%") + println(f"%%") + println(f"%%%") + println(f"%%%%") + println(f"%%%%%") + println(f"%%%%%%") + + println(f"%%n") + println(f"%%%n") + println(f"%%%%n") + println(f"%%%%%n") + println(f"%%%%%%n") + println(f"%%%%%%%n") + + println(f"${0}%") + println(f"${0}%d") + println(f"${0}%%d") + println(f"${0}%%%d") + println(f"${0}%%%%d") + println(f"${0}%%%%%d") + + println(f"${0}%n") + println(f"${0}%d%n") +} diff --git a/tests/untried/neg/t7330.check b/tests/untried/neg/t7330.check new file mode 100644 index 000000000..b96d656d2 --- /dev/null +++ b/tests/untried/neg/t7330.check @@ -0,0 +1,5 @@ +t7330.scala:4: error: pattern must be a value: Y[_] +Note: if you intended to match against the class, try `case _: Y[_]` + 0 match { case Y[_] => } + ^ +one error found diff --git a/tests/untried/neg/t7330.scala b/tests/untried/neg/t7330.scala new file mode 100644 index 000000000..2d1660fad --- /dev/null +++ b/tests/untried/neg/t7330.scala @@ -0,0 +1,5 @@ +class Y[T] +class Test { + // TypeTree is not a valid tree for a pattern + 0 match { case Y[_] => } +} diff --git a/tests/untried/neg/t7369.check b/tests/untried/neg/t7369.check new file mode 100644 index 000000000..a4e99f496 --- /dev/null +++ b/tests/untried/neg/t7369.check @@ -0,0 +1,15 @@ +t7369.scala:6: warning: unreachable code + case Tuple1(X) => // unreachable + ^ +t7369.scala:13: warning: unreachable code + case Tuple1(true) => // unreachable + ^ +t7369.scala:31: warning: unreachable code + case Tuple1(X) => // unreachable + ^ +t7369.scala:40: warning: unreachable code + case Tuple1(null) => // unreachable + ^ +error: No warnings can be incurred under -Xfatal-warnings. +four warnings found +one error found diff --git a/tests/untried/neg/t7369.flags b/tests/untried/neg/t7369.flags new file mode 100644 index 000000000..e8fb65d50 --- /dev/null +++ b/tests/untried/neg/t7369.flags @@ -0,0 +1 @@ +-Xfatal-warnings
\ No newline at end of file diff --git a/tests/untried/neg/t7369.scala b/tests/untried/neg/t7369.scala new file mode 100644 index 000000000..87ddfe98b --- /dev/null +++ b/tests/untried/neg/t7369.scala @@ -0,0 +1,43 @@ +object Test { + val X, Y = true + (null: Tuple1[Boolean]) match { + case Tuple1(X) => + case Tuple1(Y) => + case Tuple1(X) => // unreachable + case _ => + } + + (null: Tuple1[Boolean]) match { + case Tuple1(true) => + case Tuple1(false) => + case Tuple1(true) => // unreachable + case _ => + } +} + + +sealed abstract class B; +case object True extends B; +case object False extends B; + +object Test2 { + + val X: B = True + val Y: B = False + + (null: Tuple1[B]) match { + case Tuple1(X) => + case Tuple1(Y) => + case Tuple1(X) => // unreachable + case _ => + } +} + +object Test3 { + (null: Tuple1[B]) match { + case Tuple1(null) => + case Tuple1(True) => + case Tuple1(null) => // unreachable + case _ => + } +} diff --git a/tests/untried/neg/t7385.check b/tests/untried/neg/t7385.check new file mode 100644 index 000000000..70d3c3fb6 --- /dev/null +++ b/tests/untried/neg/t7385.check @@ -0,0 +1,10 @@ +t7385.scala:2: error: '(' expected but identifier found. + do { println("bippy") } while i<10 + ^ +t7385.scala:6: error: '(' expected but identifier found. + while i<10 { () } + ^ +t7385.scala:7: error: illegal start of simple expression +} +^ +three errors found diff --git a/tests/untried/neg/t7385.scala b/tests/untried/neg/t7385.scala new file mode 100644 index 000000000..a7f801098 --- /dev/null +++ b/tests/untried/neg/t7385.scala @@ -0,0 +1,7 @@ +object Bar { + do { println("bippy") } while i<10 +} + +object Foo { + while i<10 { () } +} diff --git a/tests/untried/neg/t7388.check b/tests/untried/neg/t7388.check new file mode 100644 index 000000000..0a29e0489 --- /dev/null +++ b/tests/untried/neg/t7388.check @@ -0,0 +1,4 @@ +t7388.scala:1: error: doesnotexist is not an enclosing class +class Test private[doesnotexist]() + ^ +one error found diff --git a/tests/untried/neg/t7388.scala b/tests/untried/neg/t7388.scala new file mode 100644 index 000000000..9ce9ea11b --- /dev/null +++ b/tests/untried/neg/t7388.scala @@ -0,0 +1 @@ +class Test private[doesnotexist]() diff --git a/tests/untried/neg/t742.check b/tests/untried/neg/t742.check new file mode 100644 index 000000000..d35571544 --- /dev/null +++ b/tests/untried/neg/t742.check @@ -0,0 +1,6 @@ +t742.scala:5: error: kinds of the type arguments (Crash._1,Crash._2,Any) do not conform to the expected kinds of the type parameters (type m,type n,type z). +Crash._1's type parameters do not match type m's expected parameters: +type s1 has one type parameter, but type n has two + type p = mul[_1, _2, Any] // mul[_1, _1, Any] needs -Yrecursion + ^ +one error found diff --git a/tests/untried/neg/t742.scala b/tests/untried/neg/t742.scala new file mode 100644 index 000000000..cc0d7063c --- /dev/null +++ b/tests/untried/neg/t742.scala @@ -0,0 +1,8 @@ +object Crash { + type mul[m[n[s[_], z], z], n[s[_], z], z] = m[n, z] + type _1[s1[_], z1] = s1[z1] + type _2[s1[_], z1] = s1[z1] + type p = mul[_1, _2, Any] // mul[_1, _1, Any] needs -Yrecursion + // _1[_2, Zero] + // _2[Zero] +} diff --git a/tests/untried/neg/t7473.check b/tests/untried/neg/t7473.check new file mode 100644 index 000000000..bc8c29d46 --- /dev/null +++ b/tests/untried/neg/t7473.check @@ -0,0 +1,7 @@ +t7473.scala:6: error: '<-' expected but '=' found. + (for (x = Option(i); if x == j) yield 42) toList + ^ +t7473.scala:6: error: illegal start of simple expression + (for (x = Option(i); if x == j) yield 42) toList + ^ +two errors found diff --git a/tests/untried/neg/t7473.scala b/tests/untried/neg/t7473.scala new file mode 100644 index 000000000..593231d5f --- /dev/null +++ b/tests/untried/neg/t7473.scala @@ -0,0 +1,7 @@ + +object Foo { + val i,j = 3 + //for (x = Option(i); if x == j) yield 42 //t7473.scala:4: error: '<-' expected but '=' found. + // evil postfix! + (for (x = Option(i); if x == j) yield 42) toList +} diff --git a/tests/untried/neg/t7475c.check b/tests/untried/neg/t7475c.check new file mode 100644 index 000000000..472808131 --- /dev/null +++ b/tests/untried/neg/t7475c.check @@ -0,0 +1,7 @@ +t7475c.scala:6: error: value a is not a member of A.this.B + println(this.a) // wait, what? + ^ +t7475c.scala:7: error: value b is not a member of A.this.B + println(this.b) // wait, what? + ^ +two errors found diff --git a/tests/untried/neg/t7475c.scala b/tests/untried/neg/t7475c.scala new file mode 100644 index 000000000..cd4a8762c --- /dev/null +++ b/tests/untried/neg/t7475c.scala @@ -0,0 +1,9 @@ +class A { + private val a: Int = 0 + private[this] val b: Int = 0 + class B extends A { + def foo(a: A) = a.a // okay + println(this.a) // wait, what? + println(this.b) // wait, what? + } +} diff --git a/tests/untried/neg/t7475d.check b/tests/untried/neg/t7475d.check new file mode 100644 index 000000000..6bd1da0d4 --- /dev/null +++ b/tests/untried/neg/t7475d.check @@ -0,0 +1,7 @@ +t7475d.scala:4: error: value priv is not a member of T.this.TT + (??? : TT).priv + ^ +t7475d.scala:10: error: value priv is not a member of U.this.UU + (??? : UU).priv + ^ +two errors found diff --git a/tests/untried/neg/t7475e.check b/tests/untried/neg/t7475e.check new file mode 100644 index 000000000..48af2be51 --- /dev/null +++ b/tests/untried/neg/t7475e.check @@ -0,0 +1,4 @@ +t7475e.scala:8: error: value priv is not a member of Base.this.TT + (??? : TT).priv + ^ +one error found diff --git a/tests/untried/neg/t7475e.scala b/tests/untried/neg/t7475e.scala new file mode 100644 index 000000000..e5c4877d6 --- /dev/null +++ b/tests/untried/neg/t7475e.scala @@ -0,0 +1,12 @@ +trait U { +} + +trait Base { + private val priv = 0 + + type TT = U with T // should exclude `priv` + (??? : TT).priv +} + +trait T extends Base { +} diff --git a/tests/untried/neg/t7475f.check b/tests/untried/neg/t7475f.check new file mode 100644 index 000000000..a07a4480e --- /dev/null +++ b/tests/untried/neg/t7475f.check @@ -0,0 +1,10 @@ +t7475f.scala:12: error: method c1 in class C cannot be accessed in C[T] + c1 // a member, but inaccessible. + ^ +t7475f.scala:13: error: not found: value c2 + c2 // a member, but inaccessible. + ^ +t7475f.scala:26: error: value d2 is not a member of D[Any] + other.d2 // not a member + ^ +three errors found diff --git a/tests/untried/neg/t7475f.scala b/tests/untried/neg/t7475f.scala new file mode 100644 index 000000000..eaac4a2e1 --- /dev/null +++ b/tests/untried/neg/t7475f.scala @@ -0,0 +1,28 @@ +class C[T] extends D[T] { + private def c1 = 0 + private[this] def c2 = 0 +} + +trait D[T] { + self: C[T] => + + private def d1 = 0 + private[this] def d2 = 0 + + c1 // a member, but inaccessible. + c2 // a member, but inaccessible. + + d1 // okay + d2 // okay + + + class C { + d1 + d2 + } + + def x(other: D[Any]): Unit = { + other.d1 + other.d2 // not a member + } +} diff --git a/tests/untried/neg/t7494-after-terminal.check b/tests/untried/neg/t7494-after-terminal.check new file mode 100644 index 000000000..096efe09c --- /dev/null +++ b/tests/untried/neg/t7494-after-terminal.check @@ -0,0 +1,2 @@ +error: [phase assembly, after dependency on terminal phase not allowed: afterterminal => terminal] +one error found diff --git a/tests/untried/neg/t7494-after-terminal/ThePlugin.scala b/tests/untried/neg/t7494-after-terminal/ThePlugin.scala new file mode 100644 index 000000000..e8de8132e --- /dev/null +++ b/tests/untried/neg/t7494-after-terminal/ThePlugin.scala @@ -0,0 +1,31 @@ +package scala.test.plugins + +import scala.tools.nsc +import nsc.Global +import nsc.Phase +import nsc.plugins.Plugin +import nsc.plugins.PluginComponent + +class ThePlugin(val global: Global) extends Plugin { + import global._ + + val name = "afterterminal" + val description = "Declares one plugin that wants to be after the terminal phase" + val components = List[PluginComponent](thePhase) + + private object thePhase extends PluginComponent { + val global = ThePlugin.this.global + + val runsAfter = List[String]("terminal") + + val phaseName = ThePlugin.this.name + + def newPhase(prev: Phase) = new ThePhase(prev) + } + + private class ThePhase(prev: Phase) extends Phase(prev) { + def name = ThePlugin.this.name + def run: Unit = {} + } +} + diff --git a/tests/untried/neg/t7494-after-terminal/sample_2.flags b/tests/untried/neg/t7494-after-terminal/sample_2.flags new file mode 100644 index 000000000..b8a476e36 --- /dev/null +++ b/tests/untried/neg/t7494-after-terminal/sample_2.flags @@ -0,0 +1 @@ +-Xplugin:. -Xplugin-require:afterterminal diff --git a/tests/untried/neg/t7494-after-terminal/sample_2.scala b/tests/untried/neg/t7494-after-terminal/sample_2.scala new file mode 100644 index 000000000..73cdc64e4 --- /dev/null +++ b/tests/untried/neg/t7494-after-terminal/sample_2.scala @@ -0,0 +1,6 @@ + +package sample + +// just a sample that is compiled with the sample plugin enabled +object Sample extends App { +} diff --git a/tests/untried/neg/t7494-after-terminal/scalac-plugin.xml b/tests/untried/neg/t7494-after-terminal/scalac-plugin.xml new file mode 100644 index 000000000..2558d6fd0 --- /dev/null +++ b/tests/untried/neg/t7494-after-terminal/scalac-plugin.xml @@ -0,0 +1,5 @@ +<plugin> + <name>ignored</name> + <classname>scala.test.plugins.ThePlugin</classname> +</plugin> + diff --git a/tests/untried/neg/t7494-before-parser.check b/tests/untried/neg/t7494-before-parser.check new file mode 100644 index 000000000..9a407923b --- /dev/null +++ b/tests/untried/neg/t7494-before-parser.check @@ -0,0 +1,2 @@ +error: [phase assembly, before dependency on parser phase not allowed: parser => beforeparser] +one error found diff --git a/tests/untried/neg/t7494-before-parser/ThePlugin.scala b/tests/untried/neg/t7494-before-parser/ThePlugin.scala new file mode 100644 index 000000000..bb335c9c9 --- /dev/null +++ b/tests/untried/neg/t7494-before-parser/ThePlugin.scala @@ -0,0 +1,32 @@ +package scala.test.plugins + +import scala.tools.nsc +import nsc.Global +import nsc.Phase +import nsc.plugins.Plugin +import nsc.plugins.PluginComponent + +class ThePlugin(val global: Global) extends Plugin { + import global._ + + val name = "beforeparser" + val description = "Declares one plugin that wants to be before the parser phase" + val components = List[PluginComponent](thePhase) + + private object thePhase extends PluginComponent { + val global = ThePlugin.this.global + + val runsAfter = List[String]() + override val runsBefore = List[String]("parser") + + val phaseName = ThePlugin.this.name + + def newPhase(prev: Phase) = new ThePhase(prev) + } + + private class ThePhase(prev: Phase) extends Phase(prev) { + def name = ThePlugin.this.name + def run: Unit = {} + } +} + diff --git a/tests/untried/neg/t7494-before-parser/sample_2.flags b/tests/untried/neg/t7494-before-parser/sample_2.flags new file mode 100644 index 000000000..0c92fc8a0 --- /dev/null +++ b/tests/untried/neg/t7494-before-parser/sample_2.flags @@ -0,0 +1 @@ +-Xplugin:. -Xplugin-require:beforeparser diff --git a/tests/untried/neg/t7494-before-parser/sample_2.scala b/tests/untried/neg/t7494-before-parser/sample_2.scala new file mode 100644 index 000000000..73cdc64e4 --- /dev/null +++ b/tests/untried/neg/t7494-before-parser/sample_2.scala @@ -0,0 +1,6 @@ + +package sample + +// just a sample that is compiled with the sample plugin enabled +object Sample extends App { +} diff --git a/tests/untried/neg/t7494-before-parser/scalac-plugin.xml b/tests/untried/neg/t7494-before-parser/scalac-plugin.xml new file mode 100644 index 000000000..90ff27dc2 --- /dev/null +++ b/tests/untried/neg/t7494-before-parser/scalac-plugin.xml @@ -0,0 +1,5 @@ +<plugin> + <name>beforeparser</name> + <classname>scala.test.plugins.ThePlugin</classname> +</plugin> + diff --git a/tests/untried/neg/t7494-multi-right-after.check b/tests/untried/neg/t7494-multi-right-after.check new file mode 100644 index 000000000..151d17741 --- /dev/null +++ b/tests/untried/neg/t7494-multi-right-after.check @@ -0,0 +1 @@ +error: Multiple phases want to run right after explicitouter; followers: erasure,multi-rafter; created phase-order.dot diff --git a/tests/untried/neg/t7494-multi-right-after/ThePlugin.scala b/tests/untried/neg/t7494-multi-right-after/ThePlugin.scala new file mode 100644 index 000000000..cb9e86e90 --- /dev/null +++ b/tests/untried/neg/t7494-multi-right-after/ThePlugin.scala @@ -0,0 +1,31 @@ +package scala.test.plugins + +import scala.tools.nsc +import nsc.Global +import nsc.Phase +import nsc.plugins.Plugin +import nsc.plugins.PluginComponent + +class ThePlugin(val global: Global) extends Plugin { + import global._ + + val name = "multi-rafter" + val description = "" + val components = List[PluginComponent](thePhase) + + private object thePhase extends PluginComponent { + val global = ThePlugin.this.global + + val runsAfter = List[String]() + override val runsRightAfter = Some("explicitouter") + val phaseName = ThePlugin.this.name + + def newPhase(prev: Phase) = new ThePhase(prev) + } + + private class ThePhase(prev: Phase) extends Phase(prev) { + def name = ThePlugin.this.name + def run: Unit = {} + } +} + diff --git a/tests/untried/neg/t7494-multi-right-after/sample_2.flags b/tests/untried/neg/t7494-multi-right-after/sample_2.flags new file mode 100644 index 000000000..9273fb98d --- /dev/null +++ b/tests/untried/neg/t7494-multi-right-after/sample_2.flags @@ -0,0 +1 @@ +-Xplugin:. -Xplugin-require:multi-rafter diff --git a/tests/untried/neg/t7494-multi-right-after/sample_2.scala b/tests/untried/neg/t7494-multi-right-after/sample_2.scala new file mode 100644 index 000000000..73cdc64e4 --- /dev/null +++ b/tests/untried/neg/t7494-multi-right-after/sample_2.scala @@ -0,0 +1,6 @@ + +package sample + +// just a sample that is compiled with the sample plugin enabled +object Sample extends App { +} diff --git a/tests/untried/neg/t7494-multi-right-after/scalac-plugin.xml b/tests/untried/neg/t7494-multi-right-after/scalac-plugin.xml new file mode 100644 index 000000000..2558d6fd0 --- /dev/null +++ b/tests/untried/neg/t7494-multi-right-after/scalac-plugin.xml @@ -0,0 +1,5 @@ +<plugin> + <name>ignored</name> + <classname>scala.test.plugins.ThePlugin</classname> +</plugin> + diff --git a/tests/untried/neg/t7494-no-options.check b/tests/untried/neg/t7494-no-options.check new file mode 100644 index 000000000..e3316f590 --- /dev/null +++ b/tests/untried/neg/t7494-no-options.check @@ -0,0 +1,40 @@ +error: Error: ploogin takes no options + phase name id description + ---------- -- ----------- + parser 1 parse source into ASTs, perform simple desugaring + namer 2 resolve names, attach symbols to named trees +packageobjects 3 load package objects + typer 4 the meat and potatoes: type the trees + patmat 5 translate match expressions +superaccessors 6 add super accessors in traits and nested classes + extmethods 7 add extension methods for inline classes + pickler 8 serialize symbol tables + refchecks 9 reference/override checking, translate nested objects + uncurry 10 uncurry, translate function values to anonymous classes + tailcalls 11 replace tail calls by jumps + specialize 12 @specialized-driven class and method specialization + explicitouter 13 this refs to outer pointers + erasure 14 erase types, add interfaces for traits + posterasure 15 clean up erased inline classes + lazyvals 16 allocate bitmaps, translate lazy vals into lazified defs + lambdalift 17 move nested functions to top level + constructors 18 move field definitions into constructors + flatten 19 eliminate inner classes + mixin 20 mixin composition + cleanup 21 platform-specific cleanups, generate reflective calls + delambdafy 22 remove lambdas + icode 23 generate portable intermediate code +#partest !-optimise + jvm 24 generate JVM bytecode + ploogin 25 A sample phase that does so many things it's kind of hard... + terminal 26 the last phase during a compilation run +#partest -optimise + inliner 24 optimization: do inlining +inlinehandlers 25 optimization: inline exception handlers + closelim 26 optimization: eliminate uncalled closures + constopt 27 optimization: optimize null and other constants + dce 28 optimization: eliminate dead code + jvm 29 generate JVM bytecode + ploogin 30 A sample phase that does so many things it's kind of hard... + terminal 31 the last phase during a compilation run +#partest diff --git a/tests/untried/neg/t7494-no-options/ploogin_1.scala b/tests/untried/neg/t7494-no-options/ploogin_1.scala new file mode 100644 index 000000000..dbf433f9a --- /dev/null +++ b/tests/untried/neg/t7494-no-options/ploogin_1.scala @@ -0,0 +1,31 @@ + +package t6446 + +import scala.tools.nsc.{ Global, Phase } +import scala.tools.nsc.plugins.{ Plugin, PluginComponent } +import scala.reflect.io.Path +import scala.reflect.io.File + +/** A test plugin. */ +class Ploogin(val global: Global) extends Plugin { + import global._ + + val name = "ploogin" + val description = "A sample plugin for testing." + val components = List[PluginComponent](TestComponent) + + private object TestComponent extends PluginComponent { + val global: Ploogin.this.global.type = Ploogin.this.global + //override val runsBefore = List("refchecks") + val runsAfter = List("jvm") + val phaseName = Ploogin.this.name + override def description = "A sample phase that does so many things it's kind of hard to describe briefly." + def newPhase(prev: Phase) = new TestPhase(prev) + class TestPhase(prev: Phase) extends StdPhase(prev) { + override def description = TestComponent.this.description + def apply(unit: CompilationUnit): Unit = { + // kewl kode + } + } + } +} diff --git a/tests/untried/neg/t7494-no-options/sample_2.flags b/tests/untried/neg/t7494-no-options/sample_2.flags new file mode 100644 index 000000000..7f0f7afe4 --- /dev/null +++ b/tests/untried/neg/t7494-no-options/sample_2.flags @@ -0,0 +1 @@ +-Xplugin:. -Xshow-phases -P:ploogin:inploog diff --git a/tests/untried/neg/t7494-no-options/sample_2.scala b/tests/untried/neg/t7494-no-options/sample_2.scala new file mode 100644 index 000000000..73cdc64e4 --- /dev/null +++ b/tests/untried/neg/t7494-no-options/sample_2.scala @@ -0,0 +1,6 @@ + +package sample + +// just a sample that is compiled with the sample plugin enabled +object Sample extends App { +} diff --git a/tests/untried/neg/t7494-no-options/scalac-plugin.xml b/tests/untried/neg/t7494-no-options/scalac-plugin.xml new file mode 100644 index 000000000..e849bb591 --- /dev/null +++ b/tests/untried/neg/t7494-no-options/scalac-plugin.xml @@ -0,0 +1,4 @@ +<plugin> +<name>sample-plugin</name> +<classname>t6446.Ploogin</classname> +</plugin> diff --git a/tests/untried/neg/t7494-right-after-before.check b/tests/untried/neg/t7494-right-after-before.check new file mode 100644 index 000000000..7e83daab4 --- /dev/null +++ b/tests/untried/neg/t7494-right-after-before.check @@ -0,0 +1 @@ +error: Phase erasure can't follow explicitouter, created phase-order.dot diff --git a/tests/untried/neg/t7494-right-after-before/ThePlugin.scala b/tests/untried/neg/t7494-right-after-before/ThePlugin.scala new file mode 100644 index 000000000..967c1fb30 --- /dev/null +++ b/tests/untried/neg/t7494-right-after-before/ThePlugin.scala @@ -0,0 +1,31 @@ +package scala.test.plugins + +import scala.tools.nsc +import nsc.Global +import nsc.Phase +import nsc.plugins.Plugin +import nsc.plugins.PluginComponent + +class ThePlugin(val global: Global) extends Plugin { + import global._ + + val name = "rafter-before-1" + val description = "" + val components = List[PluginComponent](thePhase1) + + private object thePhase1 extends PluginComponent { + val global = ThePlugin.this.global + + val runsAfter = List[String]("refchecks") + override val runsBefore = List[String]("erasure") + val phaseName = ThePlugin.this.name + + def newPhase(prev: Phase) = new ThePhase(prev) + } + + private class ThePhase(prev: Phase) extends Phase(prev) { + def name = ThePlugin.this.name + def run: Unit = {} + } +} + diff --git a/tests/untried/neg/t7494-right-after-before/sample_2.flags b/tests/untried/neg/t7494-right-after-before/sample_2.flags new file mode 100644 index 000000000..97d0f5b5f --- /dev/null +++ b/tests/untried/neg/t7494-right-after-before/sample_2.flags @@ -0,0 +1 @@ +-Xplugin:. -Xplugin-require:rafter-before-1 diff --git a/tests/untried/neg/t7494-right-after-before/sample_2.scala b/tests/untried/neg/t7494-right-after-before/sample_2.scala new file mode 100644 index 000000000..73cdc64e4 --- /dev/null +++ b/tests/untried/neg/t7494-right-after-before/sample_2.scala @@ -0,0 +1,6 @@ + +package sample + +// just a sample that is compiled with the sample plugin enabled +object Sample extends App { +} diff --git a/tests/untried/neg/t7494-right-after-before/scalac-plugin.xml b/tests/untried/neg/t7494-right-after-before/scalac-plugin.xml new file mode 100644 index 000000000..2558d6fd0 --- /dev/null +++ b/tests/untried/neg/t7494-right-after-before/scalac-plugin.xml @@ -0,0 +1,5 @@ +<plugin> + <name>ignored</name> + <classname>scala.test.plugins.ThePlugin</classname> +</plugin> + diff --git a/tests/untried/neg/t7494-right-after-terminal.check b/tests/untried/neg/t7494-right-after-terminal.check new file mode 100644 index 000000000..6fe4f63c8 --- /dev/null +++ b/tests/untried/neg/t7494-right-after-terminal.check @@ -0,0 +1,2 @@ +error: [phase assembly, right after dependency on terminal phase not allowed: rightafterterminal => terminal] +one error found diff --git a/tests/untried/neg/t7494-right-after-terminal/ThePlugin.scala b/tests/untried/neg/t7494-right-after-terminal/ThePlugin.scala new file mode 100644 index 000000000..7c4d08458 --- /dev/null +++ b/tests/untried/neg/t7494-right-after-terminal/ThePlugin.scala @@ -0,0 +1,32 @@ +package scala.test.plugins + +import scala.tools.nsc +import nsc.Global +import nsc.Phase +import nsc.plugins.Plugin +import nsc.plugins.PluginComponent + +class ThePlugin(val global: Global) extends Plugin { + import global._ + + val name = "rightafterterminal" + val description = "Declares one plugin that wants to be right after the terminal phase" + val components = List[PluginComponent](thePhase) + + private object thePhase extends PluginComponent { + val global = ThePlugin.this.global + + val runsAfter = List[String]() + override val runsRightAfter = Some("terminal") + + val phaseName = ThePlugin.this.name + + def newPhase(prev: Phase) = new ThePhase(prev) + } + + private class ThePhase(prev: Phase) extends Phase(prev) { + def name = ThePlugin.this.name + def run: Unit = {} + } +} + diff --git a/tests/untried/neg/t7494-right-after-terminal/sample_2.flags b/tests/untried/neg/t7494-right-after-terminal/sample_2.flags new file mode 100644 index 000000000..da046ba5f --- /dev/null +++ b/tests/untried/neg/t7494-right-after-terminal/sample_2.flags @@ -0,0 +1 @@ +-Xplugin:. -Xplugin-require:rightafterterminal diff --git a/tests/untried/neg/t7494-right-after-terminal/sample_2.scala b/tests/untried/neg/t7494-right-after-terminal/sample_2.scala new file mode 100644 index 000000000..73cdc64e4 --- /dev/null +++ b/tests/untried/neg/t7494-right-after-terminal/sample_2.scala @@ -0,0 +1,6 @@ + +package sample + +// just a sample that is compiled with the sample plugin enabled +object Sample extends App { +} diff --git a/tests/untried/neg/t7494-right-after-terminal/scalac-plugin.xml b/tests/untried/neg/t7494-right-after-terminal/scalac-plugin.xml new file mode 100644 index 000000000..2558d6fd0 --- /dev/null +++ b/tests/untried/neg/t7494-right-after-terminal/scalac-plugin.xml @@ -0,0 +1,5 @@ +<plugin> + <name>ignored</name> + <classname>scala.test.plugins.ThePlugin</classname> +</plugin> + diff --git a/tests/untried/neg/t750.check b/tests/untried/neg/t750.check new file mode 100644 index 000000000..c17ca334e --- /dev/null +++ b/tests/untried/neg/t750.check @@ -0,0 +1,15 @@ +Test_2.scala:4: error: type mismatch; + found : Array[Int] + required: Array[? with Object] +Note: Int >: ? with Object, but class Array is invariant in type T. +You may wish to investigate a wildcard type such as `_ >: ? with Object`. (SLS 3.2.10) + AO_1.f(a) + ^ +Test_2.scala:5: error: type mismatch; + found : Array[Int] + required: Array[Int] +Note: Int >: Int, but class Array is invariant in type T. +You may wish to investigate a wildcard type such as `_ >: Int`. (SLS 3.2.10) + AO_1.f[Int](a) + ^ +two errors found diff --git a/tests/untried/neg/t750/AO_1.java b/tests/untried/neg/t750/AO_1.java new file mode 100644 index 000000000..4c7360ec6 --- /dev/null +++ b/tests/untried/neg/t750/AO_1.java @@ -0,0 +1,5 @@ +public class AO_1 { + public static <T> void f(T[] ar0) { + System.out.println(ar0); + } +}
\ No newline at end of file diff --git a/tests/untried/neg/t750/Test_2.scala b/tests/untried/neg/t750/Test_2.scala new file mode 100644 index 000000000..80977431c --- /dev/null +++ b/tests/untried/neg/t750/Test_2.scala @@ -0,0 +1,6 @@ +// t750 +object Test extends App { + val a = Array(1, 2, 3) + AO_1.f(a) + AO_1.f[Int](a) +} diff --git a/tests/untried/neg/t7501.check b/tests/untried/neg/t7501.check new file mode 100644 index 000000000..2ded07c7e --- /dev/null +++ b/tests/untried/neg/t7501.check @@ -0,0 +1,7 @@ +t7501_2.scala:2: error: value name is not a member of A + def foo(a: A) = a.name + ^ +t7501_2.scala:4: error: not found: type X + type TP = X // already failed before this fix + ^ +two errors found diff --git a/tests/untried/neg/t7501/t7501_1.scala b/tests/untried/neg/t7501/t7501_1.scala new file mode 100644 index 000000000..323c32762 --- /dev/null +++ b/tests/untried/neg/t7501/t7501_1.scala @@ -0,0 +1,12 @@ +object Test2 { + def test[X](name: String) = 12 +} +class strangeTest(x: Int) extends scala.annotation.StaticAnnotation + +trait A { + // When picking the type of `test`, the value parameter + // `x` was pickled with the owner `trait A`. On unpickling, + // it was taken to be a member! + @strangeTest(Test2.test("test")) + def test(x: String): Unit +} diff --git a/tests/untried/neg/t7501/t7501_2.scala b/tests/untried/neg/t7501/t7501_2.scala new file mode 100644 index 000000000..044caea3c --- /dev/null +++ b/tests/untried/neg/t7501/t7501_2.scala @@ -0,0 +1,5 @@ +object Test { + def foo(a: A) = a.name + + type TP = X // already failed before this fix +} diff --git a/tests/untried/neg/t7507.check b/tests/untried/neg/t7507.check new file mode 100644 index 000000000..de30fc705 --- /dev/null +++ b/tests/untried/neg/t7507.check @@ -0,0 +1,4 @@ +t7507.scala:6: error: not found: value bippy + locally(bippy) + ^ +one error found diff --git a/tests/untried/neg/t7507.scala b/tests/untried/neg/t7507.scala new file mode 100644 index 000000000..1b4756d95 --- /dev/null +++ b/tests/untried/neg/t7507.scala @@ -0,0 +1,7 @@ +trait Cake extends Slice { + private[this] val bippy = () +} + +trait Slice { self: Cake => + locally(bippy) +} diff --git a/tests/untried/neg/t7509.check b/tests/untried/neg/t7509.check new file mode 100644 index 000000000..eaa6303cf --- /dev/null +++ b/tests/untried/neg/t7509.check @@ -0,0 +1,12 @@ +t7509.scala:3: error: inferred type arguments [Int] do not conform to method crash's type parameter bounds [R <: AnyRef] + crash(42) + ^ +t7509.scala:3: error: type mismatch; + found : Int(42) + required: R + crash(42) + ^ +t7509.scala:3: error: could not find implicit value for parameter ev: R + crash(42) + ^ +three errors found diff --git a/tests/untried/neg/t7509.scala b/tests/untried/neg/t7509.scala new file mode 100644 index 000000000..3cba801ea --- /dev/null +++ b/tests/untried/neg/t7509.scala @@ -0,0 +1,4 @@ +object NMWE { + def crash[R <: AnyRef](f: R)(implicit ev: R): Any = ??? + crash(42) +} diff --git a/tests/untried/neg/t750b.check b/tests/untried/neg/t750b.check new file mode 100644 index 000000000..72a249191 --- /dev/null +++ b/tests/untried/neg/t750b.check @@ -0,0 +1,15 @@ +Test.scala:4: error: type mismatch; + found : Array[Int] + required: Array[? with Object] +Note: Int >: ? with Object, but class Array is invariant in type T. +You may wish to investigate a wildcard type such as `_ >: ? with Object`. (SLS 3.2.10) + AO.f(a) + ^ +Test.scala:5: error: type mismatch; + found : Array[Int] + required: Array[Int] +Note: Int >: Int, but class Array is invariant in type T. +You may wish to investigate a wildcard type such as `_ >: Int`. (SLS 3.2.10) + AO.f[Int](a) + ^ +two errors found diff --git a/tests/untried/neg/t750b/AO.java b/tests/untried/neg/t750b/AO.java new file mode 100644 index 000000000..060baf9a3 --- /dev/null +++ b/tests/untried/neg/t750b/AO.java @@ -0,0 +1,5 @@ +public class AO { + public static <T> void f(T[] ar0) { + System.out.println(ar0); + } +}
\ No newline at end of file diff --git a/tests/untried/neg/t750b/Test.scala b/tests/untried/neg/t750b/Test.scala new file mode 100644 index 000000000..5f792a7be --- /dev/null +++ b/tests/untried/neg/t750b/Test.scala @@ -0,0 +1,6 @@ +// t750 +object Test extends App { + val a = Array(1, 2, 3) + AO.f(a) + AO.f[Int](a) +} diff --git a/tests/untried/neg/t7519-b.check b/tests/untried/neg/t7519-b.check new file mode 100644 index 000000000..bc8500b2b --- /dev/null +++ b/tests/untried/neg/t7519-b.check @@ -0,0 +1,6 @@ +Use_2.scala:8: error: type mismatch; + found : String + required: Q + val x: Q = ex.Mac.mac("asdf") + ^ +one error found diff --git a/tests/untried/neg/t7519-b/Mac_1.scala b/tests/untried/neg/t7519-b/Mac_1.scala new file mode 100644 index 000000000..55b583d24 --- /dev/null +++ b/tests/untried/neg/t7519-b/Mac_1.scala @@ -0,0 +1,14 @@ +// get expected error message without package declaration +package ex + +import scala.language.experimental.macros +import scala.reflect.macros._ + +object IW { + def foo(a: String): String = ??? +} +object Mac { + def mac(s: String): String = macro macImpl + def macImpl(c: Context)(s: c.Expr[String]): c.Expr[String] = + c.universe.reify(IW.foo(s.splice)) +} diff --git a/tests/untried/neg/t7519-b/Use_2.scala b/tests/untried/neg/t7519-b/Use_2.scala new file mode 100644 index 000000000..0d63eeed5 --- /dev/null +++ b/tests/untried/neg/t7519-b/Use_2.scala @@ -0,0 +1,10 @@ +import scala.language.implicitConversions + +trait Q +trait K + +object Use { + implicit def cd[T](p: T)(implicit ev: T => K): Q = ??? + val x: Q = ex.Mac.mac("asdf") +} + diff --git a/tests/untried/neg/t7519.check b/tests/untried/neg/t7519.check new file mode 100644 index 000000000..df54abaa3 --- /dev/null +++ b/tests/untried/neg/t7519.check @@ -0,0 +1,11 @@ +t7519.scala:5: error: type mismatch; + found : Int(0) + required: String + locally(0 : String) // was: "value conversion is not a member of C.this.C" + ^ +t7519.scala:15: error: type mismatch; + found : Int(0) + required: String + locally(0 : String) // was: "value conversion is not a member of U" + ^ +two errors found diff --git a/tests/untried/neg/t7519.scala b/tests/untried/neg/t7519.scala new file mode 100644 index 000000000..aea0f35d8 --- /dev/null +++ b/tests/untried/neg/t7519.scala @@ -0,0 +1,18 @@ +class C { + implicit def conversion(m: Int)(implicit nada: Nothing): String = ??? + + class C { // rename class to get correct error, can't find implicit: Nothing. + locally(0 : String) // was: "value conversion is not a member of C.this.C" + } +} + +object Test2 { + trait T; trait U + new T { + implicit def conversion(m: Int)(implicit nada: Nothing): String = ??? + + new U { // nested anonymous classes also share a name. + locally(0 : String) // was: "value conversion is not a member of U" + } + } +} diff --git a/tests/untried/neg/t752.check b/tests/untried/neg/t752.check new file mode 100644 index 000000000..a91bba46e --- /dev/null +++ b/tests/untried/neg/t752.check @@ -0,0 +1,6 @@ +t752.scala:6: error: type mismatch; + found : String => Unit + required: Int => Unit + f(g _) + ^ +one error found diff --git a/tests/untried/neg/t752.scala b/tests/untried/neg/t752.scala new file mode 100644 index 000000000..00f45e323 --- /dev/null +++ b/tests/untried/neg/t752.scala @@ -0,0 +1,8 @@ +object Test +{ + def f(x : Int => Unit) : Unit = () + def g(x : String) : Unit = () + def main(argv : Array[String]) = { + f(g _) + } +} diff --git a/tests/untried/neg/t7605-deprecation.check b/tests/untried/neg/t7605-deprecation.check new file mode 100644 index 000000000..6db94613a --- /dev/null +++ b/tests/untried/neg/t7605-deprecation.check @@ -0,0 +1,15 @@ +t7605-deprecation.scala:2: warning: Procedure syntax is deprecated. Convert procedure `bar` to method by adding `: Unit =`. + def bar {} + ^ +t7605-deprecation.scala:3: warning: Procedure syntax is deprecated. Convert procedure `baz` to method by adding `: Unit`. + def baz + ^ +t7605-deprecation.scala:4: warning: Procedure syntax is deprecated. Convert procedure `boo` to method by adding `: Unit`. + def boo(i: Int, l: Long) + ^ +t7605-deprecation.scala:5: warning: Procedure syntax is deprecated. Convert procedure `boz` to method by adding `: Unit =`. + def boz(i: Int, l: Long) {} + ^ +error: No warnings can be incurred under -Xfatal-warnings. +four warnings found +one error found diff --git a/tests/untried/neg/t7605-deprecation.flags b/tests/untried/neg/t7605-deprecation.flags new file mode 100644 index 000000000..0a7cb7d20 --- /dev/null +++ b/tests/untried/neg/t7605-deprecation.flags @@ -0,0 +1 @@ +-deprecation -Xfuture -Xfatal-warnings diff --git a/tests/untried/neg/t7605-deprecation.scala b/tests/untried/neg/t7605-deprecation.scala new file mode 100644 index 000000000..30cd21bd6 --- /dev/null +++ b/tests/untried/neg/t7605-deprecation.scala @@ -0,0 +1,8 @@ +abstract class Foo { + def bar: Unit = {} + def baz + def boo(i: Int, l: Long) + def boz(i: Int, l: Long): Unit = {} + def this(i: Int) { this() } // Don't complain here! + def foz: Unit // Don't complain here! +} diff --git a/tests/untried/neg/t7622-cyclic-dependency.check b/tests/untried/neg/t7622-cyclic-dependency.check new file mode 100644 index 000000000..3546964f5 --- /dev/null +++ b/tests/untried/neg/t7622-cyclic-dependency.check @@ -0,0 +1 @@ +error: Cycle in phase dependencies detected at cyclicdependency1, created phase-cycle.dot diff --git a/tests/untried/neg/t7622-cyclic-dependency/ThePlugin.scala b/tests/untried/neg/t7622-cyclic-dependency/ThePlugin.scala new file mode 100644 index 000000000..8074966bb --- /dev/null +++ b/tests/untried/neg/t7622-cyclic-dependency/ThePlugin.scala @@ -0,0 +1,40 @@ +package scala.test.plugins + +import scala.tools.nsc +import nsc.Global +import nsc.Phase +import nsc.plugins.Plugin +import nsc.plugins.PluginComponent + +class ThePlugin(val global: Global) extends Plugin { + import global._ + + val name = "cyclicdependency" + val description = "Declares two phases that have a cyclic dependency" + val components = List[PluginComponent](thePhase1,thePhase2) + + private object thePhase1 extends PluginComponent { + val global = ThePlugin.this.global + + val runsAfter = List[String]("tailcalls","cyclicdependency2") + + val phaseName = ThePlugin.this.name + "1" + + def newPhase(prev: Phase) = new ThePhase(prev, phaseName) + } + + private object thePhase2 extends PluginComponent { + val global = ThePlugin.this.global + + val runsAfter = List[String]("dce","cyclicdependency1") + + val phaseName = ThePlugin.this.name + "2" + + def newPhase(prev: Phase) = new ThePhase(prev, phaseName) + } + + private class ThePhase(prev: Phase, val name: String) extends Phase(prev) { + def run: Unit = {} + } +} + diff --git a/tests/untried/neg/t7622-cyclic-dependency/sample_2.flags b/tests/untried/neg/t7622-cyclic-dependency/sample_2.flags new file mode 100644 index 000000000..db25b88a1 --- /dev/null +++ b/tests/untried/neg/t7622-cyclic-dependency/sample_2.flags @@ -0,0 +1 @@ +-Xplugin:. -Xplugin-require:cyclicdependency diff --git a/tests/untried/neg/t7622-cyclic-dependency/sample_2.scala b/tests/untried/neg/t7622-cyclic-dependency/sample_2.scala new file mode 100644 index 000000000..73cdc64e4 --- /dev/null +++ b/tests/untried/neg/t7622-cyclic-dependency/sample_2.scala @@ -0,0 +1,6 @@ + +package sample + +// just a sample that is compiled with the sample plugin enabled +object Sample extends App { +} diff --git a/tests/untried/neg/t7622-cyclic-dependency/scalac-plugin.xml b/tests/untried/neg/t7622-cyclic-dependency/scalac-plugin.xml new file mode 100644 index 000000000..2558d6fd0 --- /dev/null +++ b/tests/untried/neg/t7622-cyclic-dependency/scalac-plugin.xml @@ -0,0 +1,5 @@ +<plugin> + <name>ignored</name> + <classname>scala.test.plugins.ThePlugin</classname> +</plugin> + diff --git a/tests/untried/neg/t7622-missing-dependency.check b/tests/untried/neg/t7622-missing-dependency.check new file mode 100644 index 000000000..a0d0e3087 --- /dev/null +++ b/tests/untried/neg/t7622-missing-dependency.check @@ -0,0 +1,2 @@ +error: Phase 'myplugin' requires: List(missing) +one error found diff --git a/tests/untried/neg/t7622-missing-dependency/ThePlugin.scala b/tests/untried/neg/t7622-missing-dependency/ThePlugin.scala new file mode 100644 index 000000000..0fcbc6309 --- /dev/null +++ b/tests/untried/neg/t7622-missing-dependency/ThePlugin.scala @@ -0,0 +1,33 @@ +package scala.test.plugins + +import scala.tools.nsc +import nsc.Global +import nsc.Phase +import nsc.plugins.Plugin +import nsc.plugins.PluginComponent + +class ThePlugin(val global: Global) extends Plugin { + import global._ + + val name = "myplugin" + val description = "Declares one plugin with a missing requirement" + val components = List[PluginComponent](thePhase) + + private object thePhase extends PluginComponent { + val global = ThePlugin.this.global + + val runsAfter = List[String]("typer") + + val phaseName = ThePlugin.this.name + + override val requires = List("missing") + + def newPhase(prev: Phase) = new ThePhase(prev) + } + + private class ThePhase(prev: Phase) extends Phase(prev) { + def name = thePhase.phaseName + def run: Unit = {} + } +} + diff --git a/tests/untried/neg/t7622-missing-dependency/sample_2.flags b/tests/untried/neg/t7622-missing-dependency/sample_2.flags new file mode 100644 index 000000000..d69035100 --- /dev/null +++ b/tests/untried/neg/t7622-missing-dependency/sample_2.flags @@ -0,0 +1 @@ +-Xplugin:. -Xplugin-require:myplugin diff --git a/tests/untried/neg/t7622-missing-dependency/sample_2.scala b/tests/untried/neg/t7622-missing-dependency/sample_2.scala new file mode 100644 index 000000000..73cdc64e4 --- /dev/null +++ b/tests/untried/neg/t7622-missing-dependency/sample_2.scala @@ -0,0 +1,6 @@ + +package sample + +// just a sample that is compiled with the sample plugin enabled +object Sample extends App { +} diff --git a/tests/untried/neg/t7622-missing-dependency/scalac-plugin.xml b/tests/untried/neg/t7622-missing-dependency/scalac-plugin.xml new file mode 100644 index 000000000..3c14061dc --- /dev/null +++ b/tests/untried/neg/t7622-missing-dependency/scalac-plugin.xml @@ -0,0 +1,5 @@ +<plugin> + <name>myplugin</name> + <classname>scala.test.plugins.ThePlugin</classname> +</plugin> + diff --git a/tests/untried/neg/t7622-missing-required.check b/tests/untried/neg/t7622-missing-required.check new file mode 100644 index 000000000..598217858 --- /dev/null +++ b/tests/untried/neg/t7622-missing-required.check @@ -0,0 +1,2 @@ +error: Missing required plugin: special-plugin +one error found diff --git a/tests/untried/neg/t7622-missing-required.flags b/tests/untried/neg/t7622-missing-required.flags new file mode 100644 index 000000000..65deac6fe --- /dev/null +++ b/tests/untried/neg/t7622-missing-required.flags @@ -0,0 +1 @@ +-Xplugin-require:special-plugin diff --git a/tests/untried/neg/t7622-missing-required.scala b/tests/untried/neg/t7622-missing-required.scala new file mode 100644 index 000000000..a0ba487b2 --- /dev/null +++ b/tests/untried/neg/t7622-missing-required.scala @@ -0,0 +1,4 @@ + +// the amazing features of this trait +// are unlocked by compiling with a special plugin. +trait Amazing diff --git a/tests/untried/neg/t7622-multi-followers.check b/tests/untried/neg/t7622-multi-followers.check new file mode 100644 index 000000000..d123853a5 --- /dev/null +++ b/tests/untried/neg/t7622-multi-followers.check @@ -0,0 +1 @@ +error: Multiple phases want to run right after parser; followers: multi1,multi2; created phase-order.dot diff --git a/tests/untried/neg/t7622-multi-followers/ThePlugin.scala b/tests/untried/neg/t7622-multi-followers/ThePlugin.scala new file mode 100644 index 000000000..36ee84f94 --- /dev/null +++ b/tests/untried/neg/t7622-multi-followers/ThePlugin.scala @@ -0,0 +1,44 @@ +package scala.test.plugins + +import scala.tools.nsc +import nsc.Global +import nsc.Phase +import nsc.plugins.Plugin +import nsc.plugins.PluginComponent + +class ThePlugin(val global: Global) extends Plugin { + import global._ + + val name = "multi" + val description = "Declares two phases that both follow parser" + val components = List[PluginComponent](thePhase1,thePhase2) + + private object thePhase1 extends PluginComponent { + val global = ThePlugin.this.global + + val runsAfter = List[String]() + + override val runsRightAfter = Some("parser") + + val phaseName = ThePlugin.this.name + "1" + + def newPhase(prev: Phase) = new ThePhase(prev, phaseName) + } + + private object thePhase2 extends PluginComponent { + val global = ThePlugin.this.global + + val runsAfter = List[String]() + + override val runsRightAfter = Some("parser") + + val phaseName = ThePlugin.this.name + "2" + + def newPhase(prev: Phase) = new ThePhase(prev, phaseName) + } + + private class ThePhase(prev: Phase, val name: String) extends Phase(prev) { + def run: Unit = {} + } +} + diff --git a/tests/untried/neg/t7622-multi-followers/sample_2.flags b/tests/untried/neg/t7622-multi-followers/sample_2.flags new file mode 100644 index 000000000..d2e83e972 --- /dev/null +++ b/tests/untried/neg/t7622-multi-followers/sample_2.flags @@ -0,0 +1 @@ +-Xplugin:. -Xplugin-require:multi diff --git a/tests/untried/neg/t7622-multi-followers/sample_2.scala b/tests/untried/neg/t7622-multi-followers/sample_2.scala new file mode 100644 index 000000000..73cdc64e4 --- /dev/null +++ b/tests/untried/neg/t7622-multi-followers/sample_2.scala @@ -0,0 +1,6 @@ + +package sample + +// just a sample that is compiled with the sample plugin enabled +object Sample extends App { +} diff --git a/tests/untried/neg/t7622-multi-followers/scalac-plugin.xml b/tests/untried/neg/t7622-multi-followers/scalac-plugin.xml new file mode 100644 index 000000000..2558d6fd0 --- /dev/null +++ b/tests/untried/neg/t7622-multi-followers/scalac-plugin.xml @@ -0,0 +1,5 @@ +<plugin> + <name>ignored</name> + <classname>scala.test.plugins.ThePlugin</classname> +</plugin> + diff --git a/tests/untried/neg/t7629-view-bounds-deprecation.check b/tests/untried/neg/t7629-view-bounds-deprecation.check new file mode 100644 index 000000000..ed77c15c5 --- /dev/null +++ b/tests/untried/neg/t7629-view-bounds-deprecation.check @@ -0,0 +1,11 @@ +t7629-view-bounds-deprecation.scala:2: warning: View bounds are deprecated. Use an implicit parameter instead. +Example: Instead of `def f[A <% Int](a: A)` use `def f[A](a: A)(implicit ev: A => Int)`. + def f[A <% Int](a: A) = null + ^ +t7629-view-bounds-deprecation.scala:3: warning: View bounds are deprecated. Use an implicit parameter instead. +Example: Instead of `def f[A <% Int](a: A)` use `def f[A](a: A)(implicit ev: A => Int)`. + def g[C, B <: C, A <% B : Numeric](a: A) = null + ^ +error: No warnings can be incurred under -Xfatal-warnings. +two warnings found +one error found diff --git a/tests/untried/neg/t7629-view-bounds-deprecation.flags b/tests/untried/neg/t7629-view-bounds-deprecation.flags new file mode 100644 index 000000000..43a25d4cc --- /dev/null +++ b/tests/untried/neg/t7629-view-bounds-deprecation.flags @@ -0,0 +1 @@ +-deprecation -Xfatal-warnings -Xfuture diff --git a/tests/untried/neg/t7629-view-bounds-deprecation.scala b/tests/untried/neg/t7629-view-bounds-deprecation.scala new file mode 100644 index 000000000..a6ede1fcc --- /dev/null +++ b/tests/untried/neg/t7629-view-bounds-deprecation.scala @@ -0,0 +1,4 @@ +object Test { + def f[A <% Int](a: A) = null + def g[C, B <: C, A <% B : Numeric](a: A) = null +} diff --git a/tests/untried/neg/t7636.check b/tests/untried/neg/t7636.check new file mode 100644 index 000000000..f70d50bee --- /dev/null +++ b/tests/untried/neg/t7636.check @@ -0,0 +1,10 @@ +t7636.scala:3: error: illegal inheritance; + self-type Main.C does not conform to Main.ResultTable[_$3]'s selftype Main.ResultTable[_$3] + class C extends ResultTable(Left(5):Either[_,_])(5) + ^ +t7636.scala:3: error: type mismatch; + found : Either[_$2,_$3(in constructor C)] where type _$3(in constructor C), type _$2 + required: Either[_, _$3(in object Main)] where type _$3(in object Main) + class C extends ResultTable(Left(5):Either[_,_])(5) + ^ +two errors found diff --git a/tests/untried/neg/t7636.scala b/tests/untried/neg/t7636.scala new file mode 100644 index 000000000..e801beacc --- /dev/null +++ b/tests/untried/neg/t7636.scala @@ -0,0 +1,7 @@ +object Main extends App{ + class ResultTable[E]( query : Either[_,E] )( columns : Int ) + class C extends ResultTable(Left(5):Either[_,_])(5) +} +// Inference of the existential type for the parent type argument +// E still fails. That looks tricky to fix, see the comments in SI-7636. +// But we at least prevent a cascading NPE. diff --git a/tests/untried/neg/t765.check b/tests/untried/neg/t765.check new file mode 100644 index 000000000..5a5f60325 --- /dev/null +++ b/tests/untried/neg/t765.check @@ -0,0 +1,4 @@ +t765.scala:3: error: not found: type Bar123 + val bar = new Bar123 + ^ +one error found diff --git a/tests/untried/neg/t765.scala b/tests/untried/neg/t765.scala new file mode 100644 index 000000000..3e5371b53 --- /dev/null +++ b/tests/untried/neg/t765.scala @@ -0,0 +1,7 @@ +object test { + for (e <- List()) { //required + val bar = new Bar123 + val res = bar.f //required + () + } +} diff --git a/tests/untried/neg/t766.check b/tests/untried/neg/t766.check new file mode 100644 index 000000000..92039ed1f --- /dev/null +++ b/tests/untried/neg/t766.check @@ -0,0 +1,4 @@ +t766.scala:5: error: not found: value badIdentifier + val p = badIdentifier + ^ +one error found diff --git a/tests/untried/neg/t766.scala b/tests/untried/neg/t766.scala new file mode 100644 index 000000000..b4b04d964 --- /dev/null +++ b/tests/untried/neg/t766.scala @@ -0,0 +1,9 @@ +object B +{ + def a = { + for (n <- Nil; m <- Nil) { + val p = badIdentifier + false + } + } +} diff --git a/tests/untried/neg/t7669.check b/tests/untried/neg/t7669.check new file mode 100644 index 000000000..c090ed18c --- /dev/null +++ b/tests/untried/neg/t7669.check @@ -0,0 +1,7 @@ +t7669.scala:9: warning: match may not be exhaustive. +It would fail on the following input: NotHandled(_) + def exhausto(expr: Expr): Unit = expr match { + ^ +error: No warnings can be incurred under -Xfatal-warnings. +one warning found +one error found diff --git a/tests/untried/neg/t7669.flags b/tests/untried/neg/t7669.flags new file mode 100644 index 000000000..85d8eb2ba --- /dev/null +++ b/tests/untried/neg/t7669.flags @@ -0,0 +1 @@ +-Xfatal-warnings diff --git a/tests/untried/neg/t7669.scala b/tests/untried/neg/t7669.scala new file mode 100644 index 000000000..12441ec05 --- /dev/null +++ b/tests/untried/neg/t7669.scala @@ -0,0 +1,13 @@ +object Test { + + sealed abstract class Expr + // Change type of `arg` to `Any` and the exhaustiveness warning + // is issued below + case class Op(arg: Expr) extends Expr + case class NotHandled(num: Double) extends Expr + + def exhausto(expr: Expr): Unit = expr match { + case Op(Op(_)) => + case Op(_) => + } +} diff --git a/tests/untried/neg/t771.check b/tests/untried/neg/t771.check new file mode 100644 index 000000000..c0d1e002f --- /dev/null +++ b/tests/untried/neg/t771.check @@ -0,0 +1,4 @@ +t771.scala:4: error: trait Iterator is abstract; cannot be instantiated + def c[A](it:java.util.Iterator[A]) = new scala.Iterator[A] + ^ +one error found diff --git a/tests/untried/neg/t771.scala b/tests/untried/neg/t771.scala new file mode 100755 index 000000000..26bf44164 --- /dev/null +++ b/tests/untried/neg/t771.scala @@ -0,0 +1,5 @@ +class Foo { + def a = c(b) + def b[List[AnyRef]] = new java.util.Iterator[List[Object]] { } + def c[A](it:java.util.Iterator[A]) = new scala.Iterator[A] +} diff --git a/tests/untried/neg/t7715.check b/tests/untried/neg/t7715.check new file mode 100644 index 000000000..4ee6b6c95 --- /dev/null +++ b/tests/untried/neg/t7715.check @@ -0,0 +1,13 @@ +t7715.scala:8: error: error in interpolated string: identifier or block expected + days map s"On the $_th day of Christmas" foreach println + ^ +t7715.scala:10: error: error in interpolated string: identifier or block expected + val rf = (n: Int) => s"\\*{$_}"(n).r + ^ +t7715.scala:17: error: unbound placeholder parameter + days zip days map s"${_: Int} by ${_: Int}".tupled foreach println + ^ +t7715.scala:17: error: unbound placeholder parameter + days zip days map s"${_: Int} by ${_: Int}".tupled foreach println + ^ +four errors found diff --git a/tests/untried/neg/t7715.scala b/tests/untried/neg/t7715.scala new file mode 100644 index 000000000..637ab8df6 --- /dev/null +++ b/tests/untried/neg/t7715.scala @@ -0,0 +1,18 @@ + +import PartialFunction.cond +import util._ + +object Test extends App { + val days = (1 to 12).toList + + days map s"On the $_th day of Christmas" foreach println + + val rf = (n: Int) => s"\\*{$_}"(n).r + def stars(n: Int)(s: String) = { + val r = rf(n) + cond(s) { case r(_*) => true } + } + Console println stars(5)("*****") + + days zip days map s"${_: Int} by ${_: Int}".tupled foreach println +} diff --git a/tests/untried/neg/t7721.check b/tests/untried/neg/t7721.check new file mode 100644 index 000000000..ade1ca3b2 --- /dev/null +++ b/tests/untried/neg/t7721.check @@ -0,0 +1,27 @@ +t7721.scala:11: warning: abstract type pattern A.this.Foo is unchecked since it is eliminated by erasure + case x: Foo with Concrete => x.bippy + x.conco + ^ +t7721.scala:15: warning: abstract type pattern A.this.Foo is unchecked since it is eliminated by erasure + case x: Concrete with Foo => x.bippy + x.conco + ^ +t7721.scala:19: warning: abstract type pattern A.this.Foo is unchecked since it is eliminated by erasure + case x: Foo with Bar => x.bippy + x.barry + ^ +t7721.scala:19: warning: abstract type pattern A.this.Bar is unchecked since it is eliminated by erasure + case x: Foo with Bar => x.bippy + x.barry + ^ +t7721.scala:39: warning: abstract type pattern B.this.Foo is unchecked since it is eliminated by erasure + case x: Foo with Concrete => x.bippy + x.dingo + x.conco + ^ +t7721.scala:43: warning: abstract type pattern B.this.Foo is unchecked since it is eliminated by erasure + case x: Concrete with Foo => x.bippy + x.dingo + x.conco + ^ +t7721.scala:47: warning: abstract type pattern B.this.Foo is unchecked since it is eliminated by erasure + case x: Foo with Bar with Concrete => x.bippy + x.barry + x.dingo + x.conco + x.bongo + ^ +t7721.scala:47: warning: abstract type pattern B.this.Bar is unchecked since it is eliminated by erasure + case x: Foo with Bar with Concrete => x.bippy + x.barry + x.dingo + x.conco + x.bongo + ^ +error: No warnings can be incurred under -Xfatal-warnings. +8 warnings found +one error found diff --git a/tests/untried/neg/t7721.flags b/tests/untried/neg/t7721.flags new file mode 100644 index 000000000..e8fb65d50 --- /dev/null +++ b/tests/untried/neg/t7721.flags @@ -0,0 +1 @@ +-Xfatal-warnings
\ No newline at end of file diff --git a/tests/untried/neg/t7721.scala b/tests/untried/neg/t7721.scala new file mode 100644 index 000000000..9ac7b60f0 --- /dev/null +++ b/tests/untried/neg/t7721.scala @@ -0,0 +1,140 @@ +import scala.language.reflectiveCalls + +trait A { + trait Concrete { def conco: Int = 1 } + type Foo <: { def bippy: Int } + type Bar <: { def barry: Int } + + implicit def barTag: scala.reflect.ClassTag[Bar] + + def f1(x: Any) = x match { + case x: Foo with Concrete => x.bippy + x.conco + case _ => -1 + } + def f2(x: Any) = x match { + case x: Concrete with Foo => x.bippy + x.conco + case _ => -1 + } + def f3(x: Any) = x match { + case x: Foo with Bar => x.bippy + x.barry + case _ => -1 + } + def f4(x: Any) = x match { + case x: (Foo @unchecked) => x.bippy // warns, suppressed + case _ => -1 + } + def f5(x: Any) = x match { + case x: (Bar @unchecked) => x.barry // warns (but about the "outer reference"), suppressed + case _ => -1 + } +} + +trait B extends A { + type Foo <: { def bippy: Int ; def dingo: Int } + type Bar <: { def barry: Int ; def bongo: Int } + + override implicit def barTag: scala.reflect.ClassTag[Bar] + + override def f1(x: Any) = x match { + case x: Foo with Concrete => x.bippy + x.dingo + x.conco + case _ => -1 + } + override def f2(x: Any) = x match { + case x: Concrete with Foo => x.bippy + x.dingo + x.conco + case _ => -1 + } + override def f3(x: Any) = x match { + case x: Foo with Bar with Concrete => x.bippy + x.barry + x.dingo + x.conco + x.bongo + case _ => -1 + } + override def f4(x: Any) = x match { + case x: (Foo @unchecked) => x.bippy + x.dingo // warns, suppressed + case _ => -1 + } + override def f5(x: Any) = x match { + case x: (Bar @unchecked) => x.barry + x.bongo // warns (but about the "outer reference"), suppressed + case _ => -1 + } +} + +object Test { + abstract class Base extends A { + trait Foo { + def bippy = 2 + def dingo = 3 + } + trait Bar { + def barry = 2 + def bongo = 3 + } + implicit def barTag: scala.reflect.ClassTag[Bar] = scala.reflect.ClassTag(classOf[Bar]) + + def run(): Unit = { + println("f1") + wrap(f1(new Concrete {})) + wrap(f1(new Foo {})) + wrap(f1(new Bar {})) + wrap(f1(new Foo with Concrete {})) + wrap(f1(new Concrete with Foo {})) + + println("\nf2") + wrap(f2(new Concrete {})) + wrap(f2(new Foo {})) + wrap(f2(new Bar {})) + wrap(f2(new Foo with Concrete {})) + wrap(f2(new Concrete with Foo {})) + wrap(f2(new Bar with Concrete {})) + wrap(f2(new Concrete with Bar {})) + wrap(f2(new Concrete with Foo with Bar {})) + wrap(f2(new Foo with Bar with Concrete {})) + + println("\nf3") + wrap(f3(new Concrete {})) + wrap(f3(new Foo {})) + wrap(f3(new Bar {})) + wrap(f3(new Foo with Concrete {})) + wrap(f3(new Concrete with Foo {})) + wrap(f3(new Bar with Concrete {})) + wrap(f3(new Concrete with Bar {})) + wrap(f3(new Concrete with Foo with Bar {})) + wrap(f3(new Foo with Bar with Concrete {})) + + println("\nf4") + wrap(f4(new Concrete {})) + wrap(f4(new Foo {})) + wrap(f4(new Bar {})) + wrap(f4(new Foo with Concrete {})) + wrap(f4(new Concrete with Foo {})) + wrap(f4(new Bar with Concrete {})) + wrap(f4(new Concrete with Bar {})) + wrap(f4(new Concrete with Foo with Bar {})) + wrap(f4(new Foo with Bar with Concrete {})) + + println("\nf5") + wrap(f5(new Concrete {})) + wrap(f5(new Foo {})) + wrap(f5(new Bar {})) + wrap(f5(new Foo with Concrete {})) + wrap(f5(new Concrete with Foo {})) + wrap(f5(new Bar with Concrete {})) + wrap(f5(new Concrete with Bar {})) + wrap(f5(new Concrete with Foo with Bar {})) + wrap(f5(new Foo with Bar with Concrete {})) + } + } + + object ao extends Base + object bo extends Base with B + + private def wrap(body: => Any): Unit = { + try println(body) + catch { case ex: NoSuchMethodException => println(ex) } + } + + def main(args: Array[String]): Unit = { + ao.run() + bo.run() + } +} + +// java.lang.NoSuchMethodException: Test$$anon$1.bippy() diff --git a/tests/untried/neg/t7752.check b/tests/untried/neg/t7752.check new file mode 100644 index 000000000..0a015d3f3 --- /dev/null +++ b/tests/untried/neg/t7752.check @@ -0,0 +1,27 @@ +t7752.scala:25: error: overloaded method value foo with alternatives: + [A](heading: String, rows: A*)(A,) <and> + [A, B](heading: (String, String), rows: (A, B)*)(A, B) <and> + [A, B, C](heading: (String, String, String), rows: (A, B, C)*)(A, B, C) <and> + [A, B, C, D](heading: (String, String, String, String), rows: (A, B, C, D)*)(A, B, C, D) <and> + [A, B, C, D, E](heading: (String, String, String, String, String), rows: (A, B, C, D, E)*)(A, B, C, D, E) <and> + [A, B, C, D, E, F](heading: (String, String, String, String, String, String), rows: (A, B, C, D, E, F)*)(A, B, C, D, E, F) <and> + [A, B, C, D, E, F, G](heading: (String, String, String, String, String, String, String), rows: (A, B, C, D, E, F, G)*)(A, B, C, D, E, F, G) <and> + [A, B, C, D, E, F, G, H](heading: (String, String, String, String, String, String, String, String), rows: (A, B, C, D, E, F, G, H)*)(A, B, C, D, E, F, G, H) <and> + [A, B, C, D, E, F, G, H, I](heading: (String, String, String, String, String, String, String, String, String), rows: (A, B, C, D, E, F, G, H, I)*)(A, B, C, D, E, F, G, H, I) <and> + [A, B, C, D, E, F, G, H, I, J](heading: (String, String, String, String, String, String, String, String, String, String), rows: (A, B, C, D, E, F, G, H, I, J)*)(A, B, C, D, E, F, G, H, I, J) <and> + [A, B, C, D, E, F, G, H, I, J, K](heading: (String, String, String, String, String, String, String, String, String, String, String), rows: (A, B, C, D, E, F, G, H, I, J, K)*)(A, B, C, D, E, F, G, H, I, J, K) <and> + [A, B, C, D, E, F, G, H, I, J, K, L](heading: (String, String, String, String, String, String, String, String, String, String, String, String), rows: (A, B, C, D, E, F, G, H, I, J, K, L)*)(A, B, C, D, E, F, G, H, I, J, K, L) <and> + [A, B, C, D, E, F, G, H, I, J, K, L, M](heading: (String, String, String, String, String, String, String, String, String, String, String, String, String), rows: (A, B, C, D, E, F, G, H, I, J, K, L, M)*)(A, B, C, D, E, F, G, H, I, J, K, L, M) <and> + [A, B, C, D, E, F, G, H, I, J, K, L, M, N](heading: (String, String, String, String, String, String, String, String, String, String, String, String, String, String), rows: (A, B, C, D, E, F, G, H, I, J, K, L, M, N)*)(A, B, C, D, E, F, G, H, I, J, K, L, M, N) <and> + [A, B, C, D, E, F, G, H, I, J, K, L, M, N, O](heading: (String, String, String, String, String, String, String, String, String, String, String, String, String, String, String), rows: (A, B, C, D, E, F, G, H, I, J, K, L, M, N, O)*)(A, B, C, D, E, F, G, H, I, J, K, L, M, N, O) <and> + [A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P](heading: (String, String, String, String, String, String, String, String, String, String, String, String, String, String, String, String), rows: (A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P)*)(A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P) <and> + [A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q](heading: (String, String, String, String, String, String, String, String, String, String, String, String, String, String, String, String, String), rows: (A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q)*)(A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q) <and> + [A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R](heading: (String, String, String, String, String, String, String, String, String, String, String, String, String, String, String, String, String, String), rows: (A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R)*)(A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R) <and> + [A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S](heading: (String, String, String, String, String, String, String, String, String, String, String, String, String, String, String, String, String, String, String), rows: (A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S)*)(A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S) <and> + [A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T](heading: (String, String, String, String, String, String, String, String, String, String, String, String, String, String, String, String, String, String, String, String), rows: (A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T)*)(A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T) <and> + [A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T, U](heading: (String, String, String, String, String, String, String, String, String, String, String, String, String, String, String, String, String, String, String, String, String), rows: (A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T, U)*)(A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T, U) <and> + [A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T, U, V](heading: (String, String, String, String, String, String, String, String, String, String, String, String, String, String, String, String, String, String, String, String, String, String), rows: (A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T, U, V)*)(A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T, U, V) + cannot be applied to (Int) + foo((1)) + ^ +one error found diff --git a/tests/untried/neg/t7752.scala b/tests/untried/neg/t7752.scala new file mode 100644 index 000000000..342a2ca34 --- /dev/null +++ b/tests/untried/neg/t7752.scala @@ -0,0 +1,26 @@ +object Test { + def foo[A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T, U, V](heading: (String, String, String, String, String, String, String, String, String, String, String, String, String, String, String, String, String, String, String, String, String, String), rows: (A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T, U, V)*): Tuple22[A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P,Q,R,S,T,U,V] = null + def foo[A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T, U](heading: (String, String, String, String, String, String, String, String, String, String, String, String, String, String, String, String, String, String, String, String, String), rows: (A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T, U)*): Tuple21[A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P,Q,R,S,T,U] = null + def foo[A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T](heading: (String, String, String, String, String, String, String, String, String, String, String, String, String, String, String, String, String, String, String, String), rows: (A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T)*): Tuple20[A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P,Q,R,S,T] = null + def foo[A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S](heading: (String, String, String, String, String, String, String, String, String, String, String, String, String, String, String, String, String, String, String), rows: (A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S)*): Tuple19[A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P,Q,R,S] = null + def foo[A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R](heading: (String, String, String, String, String, String, String, String, String, String, String, String, String, String, String, String, String, String), rows: (A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R)*): Tuple18[A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P,Q,R] = null + def foo[A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q](heading: (String, String, String, String, String, String, String, String, String, String, String, String, String, String, String, String, String), rows: (A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q)*): Tuple17[A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P,Q] = null + def foo[A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P](heading: (String, String, String, String, String, String, String, String, String, String, String, String, String, String, String, String), rows: (A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P)*): Tuple16[A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P] = null + def foo[A, B, C, D, E, F, G, H, I, J, K, L, M, N, O](heading: (String, String, String, String, String, String, String, String, String, String, String, String, String, String, String), rows: (A, B, C, D, E, F, G, H, I, J, K, L, M, N, O)*): Tuple15[A,B,C,D,E,F,G,H,I,J,K,L,M,N,O] = null + def foo[A, B, C, D, E, F, G, H, I, J, K, L, M, N](heading: (String, String, String, String, String, String, String, String, String, String, String, String, String, String), rows: (A, B, C, D, E, F, G, H, I, J, K, L, M, N)*): Tuple14[A,B,C,D,E,F,G,H,I,J,K,L,M,N] = null + def foo[A, B, C, D, E, F, G, H, I, J, K, L, M](heading: (String, String, String, String, String, String, String, String, String, String, String, String, String), rows: (A, B, C, D, E, F, G, H, I, J, K, L, M)*): Tuple13[A,B,C,D,E,F,G,H,I,J,K,L,M] = null + def foo[A, B, C, D, E, F, G, H, I, J, K, L](heading: (String, String, String, String, String, String, String, String, String, String, String, String), rows: (A, B, C, D, E, F, G, H, I, J, K, L)*): Tuple12[A,B,C,D,E,F,G,H,I,J,K,L] = null + def foo[A, B, C, D, E, F, G, H, I, J, K](heading: (String, String, String, String, String, String, String, String, String, String, String), rows: (A, B, C, D, E, F, G, H, I, J, K)*): Tuple11[A,B,C,D,E,F,G,H,I,J,K] = null + def foo[A, B, C, D, E, F, G, H, I, J](heading: (String, String, String, String, String, String, String, String, String, String), rows: (A, B, C, D, E, F, G, H, I, J)*): Tuple10[A,B,C,D,E,F,G,H,I,J] = null + def foo[A, B, C, D, E, F, G, H, I](heading: (String, String, String, String, String, String, String, String, String), rows: (A, B, C, D, E, F, G, H, I)*): Tuple9[A,B,C,D,E,F,G,H,I] = null + def foo[A, B, C, D, E, F, G, H](heading: (String, String, String, String, String, String, String, String), rows: (A, B, C, D, E, F, G, H)*): Tuple8[A,B,C,D,E,F,G,H] = null + def foo[A, B, C, D, E, F, G](heading: (String, String, String, String, String, String, String), rows: (A, B, C, D, E, F, G)*): Tuple7[A,B,C,D,E,F,G] = null + def foo[A, B, C, D, E, F](heading: (String, String, String, String, String, String), rows: (A, B, C, D, E, F)*): Tuple6[A,B,C,D,E,F] = null + def foo[A, B, C, D, E](heading: (String, String, String, String, String), rows: (A, B, C, D, E)*): Tuple5[A,B,C,D,E] = null + def foo[A, B, C, D](heading: (String, String, String, String), rows: (A, B, C, D)*): Tuple4[A,B,C,D] = null + def foo[A, B, C](heading: (String, String, String), rows: (A, B, C)*): Tuple3[A,B,C] = null + def foo[A, B](heading: (String, String), rows: (A, B)*): Tuple2[A,B] = null + def foo[A](heading: String, rows: A*): Tuple1[A] = null + + foo((1)) +} diff --git a/tests/untried/neg/t7756a.check b/tests/untried/neg/t7756a.check new file mode 100644 index 000000000..8d42717e4 --- /dev/null +++ b/tests/untried/neg/t7756a.check @@ -0,0 +1,7 @@ +t7756a.scala:7: error: type arguments [Object] do not conform to trait TA's type parameter bounds [X <: CharSequence] + locally(null: TA[Object]) + ^ +t7756a.scala:7: error: type arguments [Object] do not conform to trait TA's type parameter bounds [X <: CharSequence] + locally(null: TA[Object]) + ^ +two errors found diff --git a/tests/untried/neg/t7756a.scala b/tests/untried/neg/t7756a.scala new file mode 100644 index 000000000..4453e8496 --- /dev/null +++ b/tests/untried/neg/t7756a.scala @@ -0,0 +1,11 @@ +object Test { + def test: Unit = { + trait TA[X <: CharSequence] + 0 match { + case _ => + // the bounds violation isn't reported. RefChecks seems to be too broadly disabled under virtpatmat: see 65340ed4ad2e + locally(null: TA[Object]) + () + } + } +} diff --git a/tests/untried/neg/t7756b.check b/tests/untried/neg/t7756b.check new file mode 100644 index 000000000..2817a7e23 --- /dev/null +++ b/tests/untried/neg/t7756b.check @@ -0,0 +1,6 @@ +t7756b.scala:3: warning: comparing values of types Int and String using `==' will always yield false + case _ => 0 == "" + ^ +error: No warnings can be incurred under -Xfatal-warnings. +one warning found +one error found diff --git a/tests/untried/neg/t7756b.flags b/tests/untried/neg/t7756b.flags new file mode 100644 index 000000000..85d8eb2ba --- /dev/null +++ b/tests/untried/neg/t7756b.flags @@ -0,0 +1 @@ +-Xfatal-warnings diff --git a/tests/untried/neg/t7756b.scala b/tests/untried/neg/t7756b.scala new file mode 100644 index 000000000..a2de29c8e --- /dev/null +++ b/tests/untried/neg/t7756b.scala @@ -0,0 +1,5 @@ +object Test { + 0 match { + case _ => 0 == "" + } +} diff --git a/tests/untried/neg/t7757a.check b/tests/untried/neg/t7757a.check new file mode 100644 index 000000000..de24e2300 --- /dev/null +++ b/tests/untried/neg/t7757a.check @@ -0,0 +1,4 @@ +t7757a.scala:1: error: ';' expected but '@' found. +trait Foo @annot + ^ +one error found diff --git a/tests/untried/neg/t7757a.scala b/tests/untried/neg/t7757a.scala new file mode 100644 index 000000000..77168b145 --- /dev/null +++ b/tests/untried/neg/t7757a.scala @@ -0,0 +1 @@ +trait Foo @annot diff --git a/tests/untried/neg/t7757b.check b/tests/untried/neg/t7757b.check new file mode 100644 index 000000000..3e5a0f1fa --- /dev/null +++ b/tests/untried/neg/t7757b.check @@ -0,0 +1,4 @@ +t7757b.scala:2: error: expected start of definition +@annot2 + ^ +one error found diff --git a/tests/untried/neg/t7757b.scala b/tests/untried/neg/t7757b.scala new file mode 100644 index 000000000..e9a537dba --- /dev/null +++ b/tests/untried/neg/t7757b.scala @@ -0,0 +1,2 @@ +trait Foo2 +@annot2
\ No newline at end of file diff --git a/tests/untried/neg/t7783.check b/tests/untried/neg/t7783.check new file mode 100644 index 000000000..647cfee12 --- /dev/null +++ b/tests/untried/neg/t7783.check @@ -0,0 +1,18 @@ +t7783.scala:1: warning: type D in object O is deprecated: +object O { class C; @deprecated("", "") type D = C; def foo: Seq[D] = Nil } + ^ +t7783.scala:11: warning: type D in object O is deprecated: + type T = O.D + ^ +t7783.scala:12: warning: type D in object O is deprecated: + locally(null: O.D) + ^ +t7783.scala:13: warning: type D in object O is deprecated: + val x: O.D = null + ^ +t7783.scala:14: warning: type D in object O is deprecated: + locally(null.asInstanceOf[O.D]) + ^ +error: No warnings can be incurred under -Xfatal-warnings. +5 warnings found +one error found diff --git a/tests/untried/neg/t7783.flags b/tests/untried/neg/t7783.flags new file mode 100644 index 000000000..d1b831ea8 --- /dev/null +++ b/tests/untried/neg/t7783.flags @@ -0,0 +1 @@ +-deprecation -Xfatal-warnings
\ No newline at end of file diff --git a/tests/untried/neg/t7783.scala b/tests/untried/neg/t7783.scala new file mode 100644 index 000000000..995b644a0 --- /dev/null +++ b/tests/untried/neg/t7783.scala @@ -0,0 +1,15 @@ +object O { class C; @deprecated("", "") type D = C; def foo: Seq[D] = Nil } + +object NoWarn { + O.foo // nowarn + O.foo +: Nil // nowarn + def bar(a: Any, b: Any) = () // nowarn + bar(b = O.foo, a = ()) // nowarn +} + +object Warn { + type T = O.D + locally(null: O.D) + val x: O.D = null + locally(null.asInstanceOf[O.D]) +} diff --git a/tests/untried/neg/t779.check b/tests/untried/neg/t779.check new file mode 100644 index 000000000..65f463c19 --- /dev/null +++ b/tests/untried/neg/t779.check @@ -0,0 +1,4 @@ +t779.scala:6: error: method ast has return statement; needs result type + override def ast = return null + ^ +one error found diff --git a/tests/untried/neg/t779.scala b/tests/untried/neg/t779.scala new file mode 100644 index 000000000..cc92f9062 --- /dev/null +++ b/tests/untried/neg/t779.scala @@ -0,0 +1,8 @@ +abstract class Foo { + trait Node { + def ast: AnyRef = null + } + trait Something extends Node { + override def ast = return null + } +} diff --git a/tests/untried/neg/t783.check b/tests/untried/neg/t783.check new file mode 100644 index 000000000..37610a50f --- /dev/null +++ b/tests/untried/neg/t783.check @@ -0,0 +1,6 @@ +t783.scala:12: error: type mismatch; + found : Contexts.this.Global#Template + required: Contexts.this.global.Template + globalInit0.Template(10, 20); + ^ +one error found diff --git a/tests/untried/neg/t783.scala b/tests/untried/neg/t783.scala new file mode 100644 index 000000000..59f7c7f97 --- /dev/null +++ b/tests/untried/neg/t783.scala @@ -0,0 +1,29 @@ +package test; + +object Main extends App { + class Global { + case class Template(x : Int, y : Int) { + Console.println("outer: " + Global.this); + } + } + trait Contexts { self: Analyzer => + val xxx : global.Template = { + assert(globalInit0 != null); + globalInit0.Template(10, 20); + } + } + abstract class Analyzer extends Contexts { + type Global <: Main.Global; + final val global : Global = globalInit; + def globalInit : Global; + final def globalInit0 = globalInit.asInstanceOf[global.type]; + } + + object global0 extends Global { + object analyzer extends Analyzer { + type Global = global0.type; + override def globalInit = global0; + } + } + Console.println(global0.analyzer.xxx); +} diff --git a/tests/untried/neg/t7834neg.check b/tests/untried/neg/t7834neg.check new file mode 100644 index 000000000..569df4b8c --- /dev/null +++ b/tests/untried/neg/t7834neg.check @@ -0,0 +1,41 @@ +t7834neg.scala:48: error: type mismatch; + found : C.super.q.type (with underlying type M2) + required: C.super.q.type + x1 = x2 // fail + ^ +t7834neg.scala:50: error: type mismatch; + found : C.super.q.type (with underlying type M1) + required: C.super.q.type + x2 = x1 // fail + ^ +t7834neg.scala:53: error: type mismatch; + found : C.super.q.type (with underlying type M1) + required: C.this.q.type + x3 = x1 // fail + ^ +t7834neg.scala:54: error: type mismatch; + found : C.super.q.type (with underlying type M2) + required: C.this.q.type + x3 = x2 // fail + ^ +t7834neg.scala:69: error: type mismatch; + found : C.super.q.type (with underlying type M2) + required: C.super.q.type + x1 = super[S2].q // fail + ^ +t7834neg.scala:71: error: type mismatch; + found : C.super.q.type (with underlying type M1) + required: C.super.q.type + x2 = super[S1].q // fail + ^ +t7834neg.scala:74: error: type mismatch; + found : C.super.q.type (with underlying type M1) + required: C.this.q.type + x3 = super[S1].q // fail + ^ +t7834neg.scala:75: error: type mismatch; + found : C.super.q.type (with underlying type M2) + required: C.this.q.type + x3 = super[S2].q // fail + ^ +8 errors found diff --git a/tests/untried/neg/t7834neg.scala b/tests/untried/neg/t7834neg.scala new file mode 100644 index 000000000..d35a84ead --- /dev/null +++ b/tests/untried/neg/t7834neg.scala @@ -0,0 +1,76 @@ +class M1 +class M2 extends M1 +class M3 extends M2 + +trait S1 { val q = new M1 ; val q1: q.type = q } +trait S2 { val q = new M2 ; val q2: q.type = q } + +class B extends S1 with S2 { + override val q = new M3 + val q3: q.type = q + + var x1: B.super[S1].q1.type = null + var x2: B.super[S2].q2.type = null + var x3: B.this.q3.type = null + + x1 = x1 + x1 = x2 + x1 = x3 + x2 = x1 + x2 = x2 + x2 = x3 + x3 = x1 + x3 = x2 + x3 = x3 + + x1 = q1 + x1 = q2 + x1 = q3 + x2 = q1 + x2 = q2 + x2 = q3 + x3 = q1 + x3 = q2 + x3 = x3 +} + +class C extends S1 with S2 { + override val q = new M3 + val q3: q.type = q + + // x1's type and x2's type are incompatible + // x3's is assignable to x1 or x2, but not vice versa + var x1: C.super[S1].q.type = null + var x2: C.super[S2].q.type = null + var x3: C.this.q.type = null + + x1 = x1 + x1 = x2 // fail + x1 = x3 + x2 = x1 // fail + x2 = x2 + x2 = x3 + x3 = x1 // fail + x3 = x2 // fail + x3 = x3 + + x1 = q1 + x1 = q2 + x1 = q3 + x2 = q1 + x2 = q2 + x2 = q3 + x3 = q1 + x3 = q2 + x3 = x3 + + x1 = q + x1 = super[S1].q + x1 = super[S2].q // fail + x2 = q + x2 = super[S1].q // fail + x2 = super[S2].q + x3 = q + x3 = super[S1].q // fail + x3 = super[S2].q // fail +} diff --git a/tests/untried/neg/t7848-interp-warn.check b/tests/untried/neg/t7848-interp-warn.check new file mode 100644 index 000000000..b7df6d8ce --- /dev/null +++ b/tests/untried/neg/t7848-interp-warn.check @@ -0,0 +1,12 @@ +t7848-interp-warn.scala:8: warning: `$foo` looks like an interpolated identifier! Did you forget the interpolator? + "An important $foo message!" + ^ +t7848-interp-warn.scala:12: warning: That looks like an interpolated expression! Did you forget the interpolator? + "A doubly important ${foo * 2} message!" + ^ +t7848-interp-warn.scala:16: warning: `$bar` looks like an interpolated identifier! Did you forget the interpolator? + def j = s"Try using '${ "something like $bar" }' instead." // warn + ^ +error: No warnings can be incurred under -Xfatal-warnings. +three warnings found +one error found diff --git a/tests/untried/neg/t7848-interp-warn.flags b/tests/untried/neg/t7848-interp-warn.flags new file mode 100644 index 000000000..7949c2afa --- /dev/null +++ b/tests/untried/neg/t7848-interp-warn.flags @@ -0,0 +1 @@ +-Xlint -Xfatal-warnings diff --git a/tests/untried/neg/t7848-interp-warn.scala b/tests/untried/neg/t7848-interp-warn.scala new file mode 100644 index 000000000..3887aff8d --- /dev/null +++ b/tests/untried/neg/t7848-interp-warn.scala @@ -0,0 +1,18 @@ + +package test + +object Test { + def bar = "bar" + def f = { + val foo = "bar" + "An important $foo message!" + } + def g = { + val foo = "bar" + "A doubly important ${foo * 2} message!" + } + def h = s"Try using '$$bar' instead." // no warn + def i = s"Try using '${ "$bar" }' instead." // no warn on space test + def j = s"Try using '${ "something like $bar" }' instead." // warn + def k = f"Try using '$bar' instead." // no warn on other std interps +} diff --git a/tests/untried/neg/t7850.check b/tests/untried/neg/t7850.check new file mode 100644 index 000000000..317be2bbc --- /dev/null +++ b/tests/untried/neg/t7850.check @@ -0,0 +1,7 @@ +t7850.scala:11: error: an unapply result must have a member `def isEmpty: Boolean (found: def isEmpty: Casey) + val Casey(x1) = new Casey(1) + ^ +t7850.scala:12: error: an unapply result must have a member `def isEmpty: Boolean + val Dingy(x2) = new Dingy(1) + ^ +two errors found diff --git a/tests/untried/neg/t7850.scala b/tests/untried/neg/t7850.scala new file mode 100644 index 000000000..794ce2eb0 --- /dev/null +++ b/tests/untried/neg/t7850.scala @@ -0,0 +1,16 @@ +// isEmpty returns non-boolean +class Casey(a: Int) { def isEmpty = this; def get = this } +object Casey { def unapply(a: Casey) = a } + +// no isEmpty method at all +class Dingy(a: Int) { def get = this } +object Dingy { def unapply(a: Dingy) = a } + +object Test { + def main(args: Array[String]): Unit = { + val Casey(x1) = new Casey(1) + val Dingy(x2) = new Dingy(1) + println(s"$x1 $x2") + } +} + diff --git a/tests/untried/neg/t7859.check b/tests/untried/neg/t7859.check new file mode 100644 index 000000000..5789e2a12 --- /dev/null +++ b/tests/untried/neg/t7859.check @@ -0,0 +1,19 @@ +B_2.scala:6: error: not found: value x + new p1.A(x).x + ^ +B_2.scala:6: error: value x in class A cannot be accessed in p1.A + new p1.A(x).x + ^ +B_2.scala:7: error: not found: value x + new B(x).x + ^ +B_2.scala:7: error: value x is not a member of B + new B(x).x + ^ +B_2.scala:8: error: not found: value x + new C(x).x + ^ +B_2.scala:8: error: value x in class C cannot be accessed in C + new C(x).x + ^ +6 errors found diff --git a/tests/untried/neg/t7859/A_1.scala b/tests/untried/neg/t7859/A_1.scala new file mode 100644 index 000000000..e5b32d1c9 --- /dev/null +++ b/tests/untried/neg/t7859/A_1.scala @@ -0,0 +1,5 @@ +package p1 { + class A(private[p1] val x: Any) extends AnyVal +} +class B(private val x: Any) extends AnyVal + diff --git a/tests/untried/neg/t7859/B_2.scala b/tests/untried/neg/t7859/B_2.scala new file mode 100644 index 000000000..2e0556bc7 --- /dev/null +++ b/tests/untried/neg/t7859/B_2.scala @@ -0,0 +1,9 @@ +class C(private val x: Any) extends AnyVal + +// Checking that makeNotPrivate(paramAccessor) doesn't make this visible during typer. +// The output is identical with/without `extends AnyVal`. +object Test { + new p1.A(x).x + new B(x).x + new C(x).x +} diff --git a/tests/untried/neg/t7870.check b/tests/untried/neg/t7870.check new file mode 100644 index 000000000..d9db911ac --- /dev/null +++ b/tests/untried/neg/t7870.check @@ -0,0 +1,4 @@ +t7870.scala:1: error: in class C, multiple overloaded alternatives of constructor C define default arguments. +class C(a: Int = 0, b: Any) { + ^ +one error found diff --git a/tests/untried/neg/t7870.scala b/tests/untried/neg/t7870.scala new file mode 100644 index 000000000..5d48d43b3 --- /dev/null +++ b/tests/untried/neg/t7870.scala @@ -0,0 +1,3 @@ +class C(a: Int = 0, b: Any) { + def this(a: Int = 0) = this(???, ???) +} diff --git a/tests/untried/neg/t7872.check b/tests/untried/neg/t7872.check new file mode 100644 index 000000000..57d9772ab --- /dev/null +++ b/tests/untried/neg/t7872.check @@ -0,0 +1,10 @@ +t7872.scala:6: error: contravariant type a occurs in covariant position in type [-a]Cov[a] of type l + type x = {type l[-a] = Cov[a]} + ^ +t7872.scala:8: error: covariant type a occurs in contravariant position in type [+a]Inv[a] of type l + foo[({type l[+a] = Inv[a]})#l] + ^ +t7872.scala:5: error: contravariant type a occurs in covariant position in type [-a]Cov[a] of type l + type l[-a] = Cov[a] + ^ +three errors found diff --git a/tests/untried/neg/t7872.scala b/tests/untried/neg/t7872.scala new file mode 100644 index 000000000..66d22a071 --- /dev/null +++ b/tests/untried/neg/t7872.scala @@ -0,0 +1,9 @@ +trait Cov[+A] +trait Inv[-A] + +object varianceExploit { + type l[-a] = Cov[a] + type x = {type l[-a] = Cov[a]} + def foo[M[_]] = () + foo[({type l[+a] = Inv[a]})#l] +} diff --git a/tests/untried/neg/t7872b.check b/tests/untried/neg/t7872b.check new file mode 100644 index 000000000..0dc4e7630 --- /dev/null +++ b/tests/untried/neg/t7872b.check @@ -0,0 +1,7 @@ +t7872b.scala:8: error: contravariant type a occurs in covariant position in type [-a]List[a] of type l + def oops1 = down[({type l[-a] = List[a]})#l](List('whatever: Object)).head + "oops" + ^ +t7872b.scala:19: error: covariant type a occurs in contravariant position in type [+a]coinv.Stringer[a] of type l + def oops2 = up[({type l[+a] = Stringer[a]})#l]("printed: " + _) + ^ +two errors found diff --git a/tests/untried/neg/t7872b.scala b/tests/untried/neg/t7872b.scala new file mode 100644 index 000000000..307a1470c --- /dev/null +++ b/tests/untried/neg/t7872b.scala @@ -0,0 +1,23 @@ +object coinv { + def up[F[+_]](fa: F[String]): F[Object] = fa + def down[F[-_]](fa: F[Object]): F[String] = fa + + up(List("hi")) + + // should not compile; `l' is unsound + def oops1 = down[({type l[-a] = List[a]})#l](List('whatever: Object)).head + "oops" + // scala> oops1 + // java.lang.ClassCastException: scala.Symbol cannot be cast to java.lang.String + // at com.nocandysw.coinv$.oops1(coinv.scala:12) + + type Stringer[-A] = A => String + down[Stringer](_.toString) + // [error] type A is contravariant, but type _ is declared covariant + // up[Stringer]("printed: " + _) + + // should not compile; `l' is unsound + def oops2 = up[({type l[+a] = Stringer[a]})#l]("printed: " + _) + // scala> oops2(Some(33)) + // java.lang.ClassCastException: scala.Some cannot be cast to java.lang.String + // at com.nocandysw.coinv$$anonfun$oops2$1.apply(coinv.scala:20) +} diff --git a/tests/untried/neg/t7872c.check b/tests/untried/neg/t7872c.check new file mode 100644 index 000000000..469449dbd --- /dev/null +++ b/tests/untried/neg/t7872c.check @@ -0,0 +1,11 @@ +t7872c.scala:7: error: inferred kinds of the type arguments (List) do not conform to the expected kinds of the type parameters (type F). +List's type parameters do not match type F's expected parameters: +type A is covariant, but type _ is declared contravariant + down(List('whatever: Object)) + ^ +t7872c.scala:7: error: type mismatch; + found : List[Object] + required: F[Object] + down(List('whatever: Object)) + ^ +two errors found diff --git a/tests/untried/neg/t7872c.scala b/tests/untried/neg/t7872c.scala new file mode 100644 index 000000000..fa12a523b --- /dev/null +++ b/tests/untried/neg/t7872c.scala @@ -0,0 +1,8 @@ +object coinv { + def up[F[+_]](fa: F[String]): F[Object] = fa + def down[F[-_]](fa: F[Object]): F[String] = fa + + up(List("hi")) + // [error] type A is covariant, but type _ is declared contravariant + down(List('whatever: Object)) +} diff --git a/tests/untried/neg/t7877.check b/tests/untried/neg/t7877.check new file mode 100644 index 000000000..7f7f83246 --- /dev/null +++ b/tests/untried/neg/t7877.check @@ -0,0 +1,7 @@ +t7877.scala:6: error: not found: value Y + case Y() => () // not allowed + ^ +t7877.scala:7: error: OnNext[Any] does not take parameters + case OnNext[Any]() => () // should *not* be allowed, but was. + ^ +two errors found diff --git a/tests/untried/neg/t7877.scala b/tests/untried/neg/t7877.scala new file mode 100644 index 000000000..52e167f3b --- /dev/null +++ b/tests/untried/neg/t7877.scala @@ -0,0 +1,13 @@ +class Test { + val X: OnNext[Any] = null + def Y: OnNext[Any] = null + (null: Any) match { + case X() => () // allowed + case Y() => () // not allowed + case OnNext[Any]() => () // should *not* be allowed, but was. + } +} + +class OnNext[+T] { + def unapply(x: Any) = false +} diff --git a/tests/untried/neg/t7895.check b/tests/untried/neg/t7895.check new file mode 100644 index 000000000..1a58e24b7 --- /dev/null +++ b/tests/untried/neg/t7895.check @@ -0,0 +1,4 @@ +t7895.scala:4: error: not found: value Goop + case Goop(a, b, c) => Tuple2(a, b) + ^ +one error found diff --git a/tests/untried/neg/t7895.scala b/tests/untried/neg/t7895.scala new file mode 100644 index 000000000..87a586a82 --- /dev/null +++ b/tests/untried/neg/t7895.scala @@ -0,0 +1,6 @@ +class A { + (null: Any) match { + // We don't want "symbol not found errors" for `a` and `b` in the case body. + case Goop(a, b, c) => Tuple2(a, b) + } +} diff --git a/tests/untried/neg/t7895b.check b/tests/untried/neg/t7895b.check new file mode 100644 index 000000000..87ea72704 --- /dev/null +++ b/tests/untried/neg/t7895b.check @@ -0,0 +1,7 @@ +t7895b.scala:4: error: not found: value a + foo(a, b) + ^ +t7895b.scala:4: error: not found: value b + foo(a, b) + ^ +two errors found diff --git a/tests/untried/neg/t7895b.scala b/tests/untried/neg/t7895b.scala new file mode 100644 index 000000000..160302744 --- /dev/null +++ b/tests/untried/neg/t7895b.scala @@ -0,0 +1,5 @@ +object Test { + def foo(a: Any*) = () + + foo(a, b) +} diff --git a/tests/untried/neg/t7895c.check b/tests/untried/neg/t7895c.check new file mode 100644 index 000000000..d4745b1f4 --- /dev/null +++ b/tests/untried/neg/t7895c.check @@ -0,0 +1,13 @@ +t7895c.scala:2: error: not found: value bong + def booboo = bong + booble + bippity - bazingo + ^ +t7895c.scala:2: error: not found: value booble + def booboo = bong + booble + bippity - bazingo + ^ +t7895c.scala:2: error: not found: value bippity + def booboo = bong + booble + bippity - bazingo + ^ +t7895c.scala:2: error: not found: value bazingo + def booboo = bong + booble + bippity - bazingo + ^ +four errors found diff --git a/tests/untried/neg/t7895c.scala b/tests/untried/neg/t7895c.scala new file mode 100644 index 000000000..53d2a8672 --- /dev/null +++ b/tests/untried/neg/t7895c.scala @@ -0,0 +1,3 @@ +class A { + def booboo = bong + booble + bippity - bazingo +} diff --git a/tests/untried/neg/t7897.check b/tests/untried/neg/t7897.check new file mode 100644 index 000000000..48eff511c --- /dev/null +++ b/tests/untried/neg/t7897.check @@ -0,0 +1,4 @@ +t7897.scala:19: error: value length is not a member of p0.Single + case p0.Single(x) => println(s"`$x` has ${x.length} chars") + ^ +one error found diff --git a/tests/untried/neg/t7897.scala b/tests/untried/neg/t7897.scala new file mode 100644 index 000000000..87c966b1e --- /dev/null +++ b/tests/untried/neg/t7897.scala @@ -0,0 +1,23 @@ +package p0 { + class Single(val x: Any) extends AnyRef with Product1[String] { + private def s = "" + x + override def canEqual(x: Any) = this eq x.asInstanceOf[AnyRef] + def isEmpty = false + def get = this + def _1 = s + " only" + + override def toString = s"Single(${_1})" + } + + object Single { + def unapply(x: Any): Single = new Single(x) + } +} +object Test { + def main(args: Array[String]): Unit = { + "catdog" match { + case p0.Single(x) => println(s"`$x` has ${x.length} chars") + case x => println("fail: " + x) + } + } +} diff --git a/tests/untried/neg/t7899.check b/tests/untried/neg/t7899.check new file mode 100644 index 000000000..febfe76b8 --- /dev/null +++ b/tests/untried/neg/t7899.check @@ -0,0 +1,6 @@ +t7899.scala:5: error: type mismatch; + found : Int => Int + required: (=> Int) => ? + foo(identity)() + ^ +one error found diff --git a/tests/untried/neg/t7899.scala b/tests/untried/neg/t7899.scala new file mode 100644 index 000000000..279f24b9c --- /dev/null +++ b/tests/untried/neg/t7899.scala @@ -0,0 +1,7 @@ +object Test { + def foo[B](f: (=> Int) => B): () => B = () => f(0) + + def main(args: Array[String]): Unit = { + foo(identity)() + } +} diff --git a/tests/untried/neg/t7967.check b/tests/untried/neg/t7967.check new file mode 100644 index 000000000..cde950dcd --- /dev/null +++ b/tests/untried/neg/t7967.check @@ -0,0 +1,9 @@ +t7967.scala:6: error: illegal inheritance; + self-type C does not conform to C's selftype C with B + new C {} // fails + ^ +t7967.scala:8: error: illegal inheritance; + self-type Test.CC does not conform to Test.CC's selftype Test.CC + new CC {} // should fail, doesn't + ^ +two errors found diff --git a/tests/untried/neg/t7967.scala b/tests/untried/neg/t7967.scala new file mode 100644 index 000000000..4f1334794 --- /dev/null +++ b/tests/untried/neg/t7967.scala @@ -0,0 +1,9 @@ + +trait B +trait C {self: B =>} + +object Test { + new C {} // fails + type CC = C + new CC {} // should fail, doesn't +} diff --git a/tests/untried/neg/t798.check b/tests/untried/neg/t798.check new file mode 100644 index 000000000..b120f3a40 --- /dev/null +++ b/tests/untried/neg/t798.check @@ -0,0 +1,4 @@ +t798.scala:2: error: cyclic aliasing or subtyping involving type Bracks +trait Test[Bracks <: Bracks] { + ^ +one error found diff --git a/tests/untried/neg/t798.scala b/tests/untried/neg/t798.scala new file mode 100644 index 000000000..a2bf66d19 --- /dev/null +++ b/tests/untried/neg/t798.scala @@ -0,0 +1,8 @@ +package test; +trait Test[Bracks <: Bracks] { + def f(list : Any) = null; + class C[T] + val bracks : Bracks; + val singletons = f(bracks); + +} diff --git a/tests/untried/neg/t7980.check b/tests/untried/neg/t7980.check new file mode 100644 index 000000000..031c23dbe --- /dev/null +++ b/tests/untried/neg/t7980.check @@ -0,0 +1,4 @@ +t7980.scala:7: error: Can't unquote Nothing, bottom type values often indicate programmer mistake + println(q"class ${Name(X)} { }") + ^ +one error found diff --git a/tests/untried/neg/t7980.scala b/tests/untried/neg/t7980.scala new file mode 100644 index 000000000..b21907de5 --- /dev/null +++ b/tests/untried/neg/t7980.scala @@ -0,0 +1,8 @@ +object Test extends App { + import scala.reflect.runtime.universe._ + def Name[T:TypeTag](name:String): T = implicitly[TypeTag[T]] match { + case t => newTypeName(name).asInstanceOf[T] + } + val X = "ASDF" + println(q"class ${Name(X)} { }") +} diff --git a/tests/untried/neg/t7984.check b/tests/untried/neg/t7984.check new file mode 100644 index 000000000..0cfd7d161 --- /dev/null +++ b/tests/untried/neg/t7984.check @@ -0,0 +1,6 @@ +t7984.scala:4: warning: non-variable type argument Int in type pattern List[Int] (the underlying of Test.this.ListInt) is unchecked since it is eliminated by erasure + case is: ListInt => is.head + ^ +error: No warnings can be incurred under -Xfatal-warnings. +one warning found +one error found diff --git a/tests/untried/neg/t7984.flags b/tests/untried/neg/t7984.flags new file mode 100644 index 000000000..e8fb65d50 --- /dev/null +++ b/tests/untried/neg/t7984.flags @@ -0,0 +1 @@ +-Xfatal-warnings
\ No newline at end of file diff --git a/tests/untried/neg/t7984.scala b/tests/untried/neg/t7984.scala new file mode 100644 index 000000000..ca09a89fc --- /dev/null +++ b/tests/untried/neg/t7984.scala @@ -0,0 +1,7 @@ +class Test { + type ListInt = List[Int] + List[Any]("") match { + case is: ListInt => is.head + case _ => + } +} diff --git a/tests/untried/neg/t800.check b/tests/untried/neg/t800.check new file mode 100644 index 000000000..8ba95fddd --- /dev/null +++ b/tests/untried/neg/t800.check @@ -0,0 +1,16 @@ +t800.scala:4: error: qualification is already defined as value qualification + val qualification = false; + ^ +t800.scala:8: error: method qualification is defined twice + conflicting symbols both originated in file 't800.scala' + val qualification = false; + ^ +t800.scala:12: error: value qualification is defined twice + conflicting symbols both originated in file 't800.scala' + var qualification = false; + ^ +t800.scala:16: error: method qualification is defined twice + conflicting symbols both originated in file 't800.scala' + var qualification = false; + ^ +four errors found diff --git a/tests/untried/neg/t800.scala b/tests/untried/neg/t800.scala new file mode 100644 index 000000000..388574d42 --- /dev/null +++ b/tests/untried/neg/t800.scala @@ -0,0 +1,17 @@ +package test; +trait Test1 { + val qualification : String; + val qualification = false; +} +trait Test2 { + var qualification : String; + val qualification = false; +} +trait Test3 { + val qualification : String; + var qualification = false; +} +trait Test4 { + var qualification : String; + var qualification = false; +} diff --git a/tests/untried/neg/t8006.check b/tests/untried/neg/t8006.check new file mode 100644 index 000000000..fbac26e3a --- /dev/null +++ b/tests/untried/neg/t8006.check @@ -0,0 +1,6 @@ +t8006.scala:3: error: too many arguments for method applyDynamicNamed: (value: (String, Any))String +error after rewriting to X.this.d.applyDynamicNamed("meth")(scala.Tuple2("value1", 10), scala.Tuple2("value2", 100)) +possible cause: maybe a wrong Dynamic method signature? + d.meth(value1 = 10, value2 = 100) // two arguments here, but only one is allowed + ^ +one error found diff --git a/tests/untried/neg/t8006.scala b/tests/untried/neg/t8006.scala new file mode 100644 index 000000000..8dc60697d --- /dev/null +++ b/tests/untried/neg/t8006.scala @@ -0,0 +1,8 @@ +object X { + val d = new D + d.meth(value1 = 10, value2 = 100) // two arguments here, but only one is allowed +} +import language.dynamics +class D extends Dynamic { + def applyDynamicNamed(name: String)(value: (String, Any)) = name +} diff --git a/tests/untried/neg/t8015-ffa.check b/tests/untried/neg/t8015-ffa.check new file mode 100644 index 000000000..0f28be7fe --- /dev/null +++ b/tests/untried/neg/t8015-ffa.check @@ -0,0 +1,6 @@ +t8015-ffa.scala:7: error: type mismatch; + found : String("3") + required: Int + val i: Int = "3" // error line 7 (was 8) + ^ +one error found diff --git a/tests/untried/neg/t8015-ffa.scala b/tests/untried/neg/t8015-ffa.scala new file mode 100644 index 000000000..60876d913 --- /dev/null +++ b/tests/untried/neg/t8015-ffa.scala @@ -0,0 +1,8 @@ + +package foo + +//------- object Next + +trait F { + val i: Int = "3" // error line 7 (was 8) +} diff --git a/tests/untried/neg/t8015-ffb.check b/tests/untried/neg/t8015-ffb.check new file mode 100644 index 000000000..9b2171ea4 --- /dev/null +++ b/tests/untried/neg/t8015-ffb.check @@ -0,0 +1,6 @@ +t8015-ffb.scala:10: warning: side-effecting nullary methods are discouraged: suggest defining as `def w()` instead + def w = { x\u000c() } // ^L is colored blue on this screen, hardly visible + ^ +error: No warnings can be incurred under -Xfatal-warnings. +one warning found +one error found diff --git a/tests/untried/neg/t8015-ffb.flags b/tests/untried/neg/t8015-ffb.flags new file mode 100644 index 000000000..7949c2afa --- /dev/null +++ b/tests/untried/neg/t8015-ffb.flags @@ -0,0 +1 @@ +-Xlint -Xfatal-warnings diff --git a/tests/untried/neg/t8015-ffb.scala b/tests/untried/neg/t8015-ffb.scala new file mode 100644 index 000000000..dbdd94255 --- /dev/null +++ b/tests/untried/neg/t8015-ffb.scala @@ -0,0 +1,11 @@ + +trait G { + val c: Char = '\u000a' // disallowed! + def x\u000d\u000a = 9 // as nl + def y() = x + def z() = { + y()\u000a() // was Int does not take parameters + } + def v = y()\u000c() // was Int does not take parameters + def w = { x () } // ^L is colored blue on this screen, hardly visible +} diff --git a/tests/untried/neg/t8024.check b/tests/untried/neg/t8024.check new file mode 100644 index 000000000..bd551aa59 --- /dev/null +++ b/tests/untried/neg/t8024.check @@ -0,0 +1,6 @@ +t8024.scala:13: error: reference to sqrt is ambiguous; +it is both defined in package object p and imported subsequently by +import java.lang.Math.sqrt + sqrt(0d) + ^ +one error found diff --git a/tests/untried/neg/t8024.scala b/tests/untried/neg/t8024.scala new file mode 100644 index 000000000..b4c2c5ebb --- /dev/null +++ b/tests/untried/neg/t8024.scala @@ -0,0 +1,14 @@ +package p + +trait NRoot[A] + +object `package` { + final def sqrt(x: Double): Double = Math.sqrt(x) + final def sqrt[A](a: A)(implicit ev: NRoot[A]): A = ??? +} + +object FastComplex { + import java.lang.Math.sqrt + + sqrt(0d) +} diff --git a/tests/untried/neg/t8024b.check b/tests/untried/neg/t8024b.check new file mode 100644 index 000000000..9cd89bca5 --- /dev/null +++ b/tests/untried/neg/t8024b.check @@ -0,0 +1,6 @@ +t8024b.scala:15: error: reference to sqrt is ambiguous; +it is both defined in object FastComplex and imported subsequently by +import java.lang.Math.sqrt + sqrt(0d) + ^ +one error found diff --git a/tests/untried/neg/t8024b.scala b/tests/untried/neg/t8024b.scala new file mode 100644 index 000000000..cf3d49636 --- /dev/null +++ b/tests/untried/neg/t8024b.scala @@ -0,0 +1,17 @@ +package p + +trait NRoot[A] + +object FastComplex { + final def sqrt(x: Double): Double = Math.sqrt(x) + final def sqrt[A](a: A)(implicit ev: NRoot[A]): A = ??? + + object Inner { + import java.lang.Math.sqrt + + // wrong message: + // error: reference to sqrt is ambiguous; + // it is both defined in object FastComplex and imported subsequently by + sqrt(0d) + } +} diff --git a/tests/untried/neg/t8035-deprecated.check b/tests/untried/neg/t8035-deprecated.check new file mode 100644 index 000000000..01f27e531 --- /dev/null +++ b/tests/untried/neg/t8035-deprecated.check @@ -0,0 +1,21 @@ +t8035-deprecated.scala:2: warning: Adaptation of argument list by inserting () has been deprecated: this is unlikely to be what you want. + signature: GenSetLike.apply(elem: A): Boolean + given arguments: <none> + after adaptation: GenSetLike((): Unit) + List(1,2,3).toSet() + ^ +t8035-deprecated.scala:5: warning: Adaptation of argument list by inserting () has been deprecated: this is unlikely to be what you want. + signature: A(x: T): Foo.A[T] + given arguments: <none> + after adaptation: new A((): Unit) + new A + ^ +t8035-deprecated.scala:9: warning: Adaptation of argument list by inserting () has been deprecated: leaky (Object-receiving) target makes this especially dangerous. + signature: Format.format(x$1: Any): String + given arguments: <none> + after adaptation: Format.format((): Unit) + sdf.format() + ^ +error: No warnings can be incurred under -Xfatal-warnings. +three warnings found +one error found diff --git a/tests/untried/neg/t8035-deprecated.flags b/tests/untried/neg/t8035-deprecated.flags new file mode 100644 index 000000000..c6bfaf1f6 --- /dev/null +++ b/tests/untried/neg/t8035-deprecated.flags @@ -0,0 +1 @@ +-deprecation -Xfatal-warnings diff --git a/tests/untried/neg/t8035-deprecated.scala b/tests/untried/neg/t8035-deprecated.scala new file mode 100644 index 000000000..642315753 --- /dev/null +++ b/tests/untried/neg/t8035-deprecated.scala @@ -0,0 +1,10 @@ +object Foo { + List(1,2,3).toSet() + + class A[T](val x: T) + new A + + import java.text.SimpleDateFormat + val sdf = new SimpleDateFormat("yyyyMMdd-HH0000") + sdf.format() +} diff --git a/tests/untried/neg/t8035-removed.check b/tests/untried/neg/t8035-removed.check new file mode 100644 index 000000000..e24a0b4e6 --- /dev/null +++ b/tests/untried/neg/t8035-removed.check @@ -0,0 +1,16 @@ +t8035-removed.scala:2: error: Adaptation of argument list by inserting () has been removed. + signature: GenSetLike.apply(elem: A): Boolean + given arguments: <none> + List(1,2,3).toSet() + ^ +t8035-removed.scala:5: error: Adaptation of argument list by inserting () has been removed. + signature: A(x: T): Foo.A[T] + given arguments: <none> + new A + ^ +t8035-removed.scala:9: error: Adaptation of argument list by inserting () has been removed. + signature: Format.format(x$1: Any): String + given arguments: <none> + sdf.format() + ^ +three errors found diff --git a/tests/untried/neg/t8035-removed.flags b/tests/untried/neg/t8035-removed.flags new file mode 100644 index 000000000..29f4ede37 --- /dev/null +++ b/tests/untried/neg/t8035-removed.flags @@ -0,0 +1 @@ +-Xfuture diff --git a/tests/untried/neg/t8035-removed.scala b/tests/untried/neg/t8035-removed.scala new file mode 100644 index 000000000..642315753 --- /dev/null +++ b/tests/untried/neg/t8035-removed.scala @@ -0,0 +1,10 @@ +object Foo { + List(1,2,3).toSet() + + class A[T](val x: T) + new A + + import java.text.SimpleDateFormat + val sdf = new SimpleDateFormat("yyyyMMdd-HH0000") + sdf.format() +} diff --git a/tests/untried/neg/t8072.check b/tests/untried/neg/t8072.check new file mode 100644 index 000000000..926701013 --- /dev/null +++ b/tests/untried/neg/t8072.check @@ -0,0 +1,4 @@ +t8072.scala:4: error: value ifParSeq is not a member of List[Int] + val y = x.ifParSeq[Int](throw new Exception).otherwise(0) // Shouldn't compile + ^ +one error found diff --git a/tests/untried/neg/t8072.scala b/tests/untried/neg/t8072.scala new file mode 100644 index 000000000..dddb8c5f2 --- /dev/null +++ b/tests/untried/neg/t8072.scala @@ -0,0 +1,6 @@ +class NoIfParSeq { + import collection.parallel._ + val x = List(1,2) + val y = x.ifParSeq[Int](throw new Exception).otherwise(0) // Shouldn't compile + val z = x.toParArray +} diff --git a/tests/untried/neg/t8104.check b/tests/untried/neg/t8104.check new file mode 100644 index 000000000..69b3461bd --- /dev/null +++ b/tests/untried/neg/t8104.check @@ -0,0 +1,4 @@ +Test_2.scala:20: error: could not find implicit value for parameter e: Generic.Aux[Test.C,(Int, Int)] + implicitly[Generic.Aux[C, (Int, Int)]] + ^ +one error found diff --git a/tests/untried/neg/t8104/Macros_1.scala b/tests/untried/neg/t8104/Macros_1.scala new file mode 100644 index 000000000..129c8db16 --- /dev/null +++ b/tests/untried/neg/t8104/Macros_1.scala @@ -0,0 +1,11 @@ +import scala.reflect.macros.whitebox.Context + +object Macros { + def impl[T](c: Context)(implicit T: c.WeakTypeTag[T]) = { + import c.universe._ + import definitions._ + val fields = T.tpe.decls.toList.collect{ case x: TermSymbol if x.isVal && x.isCaseAccessor => x } + val Repr = appliedType(TupleClass(fields.length).asType.toType, fields.map(_.info)) + q"new Generic[$T]{ type Repr = $Repr }" + } +} diff --git a/tests/untried/neg/t8104/Test_2.scala b/tests/untried/neg/t8104/Test_2.scala new file mode 100644 index 000000000..a3bd94018 --- /dev/null +++ b/tests/untried/neg/t8104/Test_2.scala @@ -0,0 +1,21 @@ +trait Generic[T] { type Repr } +object Generic { + type Aux[T, Repr0] = Generic[T] { type Repr = Repr0 } + import scala.language.experimental.macros + implicit def materializeGeneric[T]: Generic[T] = macro Macros.impl[T] +} + +object Test extends App { + case class C(x: Int, y: Int) + + import scala.reflect.runtime.universe._ + def reprify[T, Repr](x: T)(implicit generic: Generic.Aux[T, Repr], tag: WeakTypeTag[Repr]) = println(tag) + reprify(C(40, 2)) + + // this is a compilation error at the moment as explained in SI-8104 + // because matchesPt in implicit search says that depoly(<type of materializeGeneric>) isn't a subtype of Generic.Aux[C, (Int, Int)] + // which is rightfully so, because depoly only replaces type parameters, not type members with wildcard types + // however in the future we might want to relax the matchesPt check, so this might start compiling + // therefore, if you've broken this test, then you should be happy, because most likely you've just enabled an interesting use case! + implicitly[Generic.Aux[C, (Int, Int)]] +} diff --git a/tests/untried/neg/t8143a.check b/tests/untried/neg/t8143a.check new file mode 100644 index 000000000..4e11000a2 --- /dev/null +++ b/tests/untried/neg/t8143a.check @@ -0,0 +1,5 @@ +t8143a.scala:2: error: overriding method f in class Foo of type => Int; + method f has weaker access privileges; it should not be private +class Bar extends Foo { private def f = 10 } + ^ +one error found diff --git a/tests/untried/neg/t8143a.scala b/tests/untried/neg/t8143a.scala new file mode 100644 index 000000000..6abe35e33 --- /dev/null +++ b/tests/untried/neg/t8143a.scala @@ -0,0 +1,15 @@ +class Foo { def f = 5 } +class Bar extends Foo { private def f = 10 } + + +class Foo1 { private def f = 5 } +class Bar1 extends Foo1 { def f = 10 } // okay + +class Foo2 { private def f = 5 } +class Bar2 extends Foo2 { private def f = 10 } // okay + +class Foo3 { private[this] def f = 5 } +class Bar3 extends Foo3 { private def f = 10 } // okay + +class Foo4 { private def f = 5 } +class Bar4 extends Foo4 { private[this] def f = 10 } // okay diff --git a/tests/untried/neg/t8146-non-finitary-2.check b/tests/untried/neg/t8146-non-finitary-2.check new file mode 100644 index 000000000..8c2e1436c --- /dev/null +++ b/tests/untried/neg/t8146-non-finitary-2.check @@ -0,0 +1,9 @@ +t8146-non-finitary-2.scala:5: error: class graph is not finitary because type parameter X is expansively recursive +trait C[X] extends N[N[C[D[X]]]] + ^ +t8146-non-finitary-2.scala:7: error: type mismatch; + found : C[Int] + required: N[C[Int]] + def foo(c: C[Int]): N[C[Int]] = c + ^ +two errors found diff --git a/tests/untried/neg/t8146-non-finitary-2.scala b/tests/untried/neg/t8146-non-finitary-2.scala new file mode 100644 index 000000000..c12f5f8f4 --- /dev/null +++ b/tests/untried/neg/t8146-non-finitary-2.scala @@ -0,0 +1,8 @@ +// Example 3 from "On Decidability of Nominal Subtyping with Variance" (Pierce, Kennedy) +// http://research.microsoft.com/pubs/64041/fool2007.pdf +trait N[-Z] +trait D[Y] +trait C[X] extends N[N[C[D[X]]]] +object Test { + def foo(c: C[Int]): N[C[Int]] = c +} diff --git a/tests/untried/neg/t8146-non-finitary.check b/tests/untried/neg/t8146-non-finitary.check new file mode 100644 index 000000000..8363b750c --- /dev/null +++ b/tests/untried/neg/t8146-non-finitary.check @@ -0,0 +1,9 @@ +t8146-non-finitary.scala:4: error: class graph is not finitary because type parameter A is expansively recursive +trait C[A] extends N[N[C[C[A]]]] + ^ +t8146-non-finitary.scala:6: error: type mismatch; + found : C[Int] + required: N[C[Int]] + def foo(c: C[Int]): N[C[Int]] = c + ^ +two errors found diff --git a/tests/untried/neg/t8146-non-finitary.scala b/tests/untried/neg/t8146-non-finitary.scala new file mode 100644 index 000000000..3d8a3074c --- /dev/null +++ b/tests/untried/neg/t8146-non-finitary.scala @@ -0,0 +1,7 @@ +// Example 3 from "On Decidability of Nominal Subtyping with Variance" (Pierce, Kennedy) +// http://research.microsoft.com/pubs/64041/fool2007.pdf +trait N[-A] +trait C[A] extends N[N[C[C[A]]]] +object Test { + def foo(c: C[Int]): N[C[Int]] = c +} diff --git a/tests/untried/neg/t8157.check b/tests/untried/neg/t8157.check new file mode 100644 index 000000000..9a21a49a0 --- /dev/null +++ b/tests/untried/neg/t8157.check @@ -0,0 +1,4 @@ +t8157.scala:1: error: in object Test, multiple overloaded alternatives of method foo define default arguments. +object Test { + ^ +one error found diff --git a/tests/untried/neg/t8157.scala b/tests/untried/neg/t8157.scala new file mode 100644 index 000000000..462d4fa3f --- /dev/null +++ b/tests/untried/neg/t8157.scala @@ -0,0 +1,4 @@ +object Test { + def foo(printer: Any, question: => String, show: Boolean = false)(op: => Any): Any = ??? + def foo[T](question: => String, show: Boolean)(op: => Any = ()): Any = ??? +} diff --git a/tests/untried/neg/t8158.check b/tests/untried/neg/t8158.check new file mode 100644 index 000000000..fa6b744ba --- /dev/null +++ b/tests/untried/neg/t8158.check @@ -0,0 +1,4 @@ +Test_2.scala:10: error: not enough patterns for <$anon: AnyRef> offering AnyRef{def isEmpty: Boolean; def get: $anon; def unapply(x: String): $anon}: expected 1, found 0 + case X() => + ^ +one error found diff --git a/tests/untried/neg/t8158/Macros_1.scala b/tests/untried/neg/t8158/Macros_1.scala new file mode 100644 index 000000000..b84e3ed8d --- /dev/null +++ b/tests/untried/neg/t8158/Macros_1.scala @@ -0,0 +1,34 @@ +import scala.language.experimental.macros +import scala.reflect.macros.whitebox.Context + +object Max { + def impl(c: Context)(any: c.Expr[Any]): c.Expr[Any] = { + import c.universe._ + def fail(msg: String) = c.abort(c.enclosingPosition, msg) + val t = c.macroApplication match { + case q"$_.unapply($unargs)" => + /* hangs + */ + q""" + new { + def isEmpty = false + def get = this + def unapply(x: String) = this + }.unapply($unargs) + """ + /* + if get returns Unit or Boolean: + wrong number of patterns for <$anon: AnyRef> offering Unit: expected 1, found 0 + */ + /* straightforward + q""" + new { + def unapply(x: String) = true + }.unapply($unargs) + """ + */ + case _ => fail("bad appl") + } + c.Expr[Any](t) + } +}
\ No newline at end of file diff --git a/tests/untried/neg/t8158/Test_2.scala b/tests/untried/neg/t8158/Test_2.scala new file mode 100644 index 000000000..f5ac6616b --- /dev/null +++ b/tests/untried/neg/t8158/Test_2.scala @@ -0,0 +1,14 @@ +import scala.language.experimental.macros + +object X { + def unapply(any: Any): Any = macro Max.impl +} + +class BugTest { + def bug(): Unit = { + "any" match { + case X() => + case _ => ??? + } + } +}
\ No newline at end of file diff --git a/tests/untried/neg/t8177a.check b/tests/untried/neg/t8177a.check new file mode 100644 index 000000000..0d01206e0 --- /dev/null +++ b/tests/untried/neg/t8177a.check @@ -0,0 +1,6 @@ +t8177a.scala:5: error: type mismatch; + found : A{type Result = Int} + required: A{type Result = String} + : A { type Result = String} = x + ^ +one error found diff --git a/tests/untried/neg/t8177a.scala b/tests/untried/neg/t8177a.scala new file mode 100644 index 000000000..0347541ea --- /dev/null +++ b/tests/untried/neg/t8177a.scala @@ -0,0 +1,6 @@ +trait A { type Result } + +class PolyTests { + def wrong(x: A { type Result = Int }) + : A { type Result = String} = x +} diff --git a/tests/untried/neg/t8182.check b/tests/untried/neg/t8182.check new file mode 100644 index 000000000..a156d7088 --- /dev/null +++ b/tests/untried/neg/t8182.check @@ -0,0 +1,22 @@ +t8182.scala:4: error: illegal start of simple pattern +} +^ +t8182.scala:7: error: illegal start of simple pattern +} +^ +t8182.scala:6: error: type application is not allowed in pattern + val a b[B] // error then continue as for X + ^ +t8182.scala:10: error: illegal start of simple pattern + case a b[B] => // bumpy recovery + ^ +t8182.scala:10: error: type application is not allowed in pattern + case a b[B] => // bumpy recovery + ^ +t8182.scala:11: error: '=>' expected but '}' found. + } + ^ +t8182.scala:16: error: type application is not allowed in pattern + case a B[T] b => + ^ +7 errors found diff --git a/tests/untried/neg/t8182.scala b/tests/untried/neg/t8182.scala new file mode 100644 index 000000000..1b3bc9821 --- /dev/null +++ b/tests/untried/neg/t8182.scala @@ -0,0 +1,18 @@ + +trait X { + val a b // something missing +} +trait Y { + val a b[B] // error then continue as for X +} +trait Z { + (null: Any) match { + case a b[B] => // bumpy recovery + } +} +object B { def unapply[W](a: Any) = Some((1,2)) } +trait Z { + (null: Any) match { + case a B[T] b => + } +} diff --git a/tests/untried/neg/t8207.check b/tests/untried/neg/t8207.check new file mode 100644 index 000000000..59facd897 --- /dev/null +++ b/tests/untried/neg/t8207.check @@ -0,0 +1,7 @@ +t8207.scala:1: error: '.' expected but '}' found. +class C { import C.this.toString } + ^ +t8207.scala:3: error: '.' expected but '}' found. +class D { import D.this.toString } + ^ +two errors found diff --git a/tests/untried/neg/t8207.scala b/tests/untried/neg/t8207.scala new file mode 100644 index 000000000..738ce381f --- /dev/null +++ b/tests/untried/neg/t8207.scala @@ -0,0 +1,3 @@ +class C { import C.this.toString } + +class D { import D.this.toString } diff --git a/tests/untried/neg/t8219-any-any-ref-equals.check b/tests/untried/neg/t8219-any-any-ref-equals.check new file mode 100644 index 000000000..95d2536fb --- /dev/null +++ b/tests/untried/neg/t8219-any-any-ref-equals.check @@ -0,0 +1,10 @@ +t8219-any-any-ref-equals.scala:5: error: method ==: (x$1: Any)Boolean does not take type parameters. + "".==[Int] + ^ +t8219-any-any-ref-equals.scala:6: error: method ==: (x$1: Any)Boolean does not take type parameters. + ("": AnyRef).==[Int] + ^ +t8219-any-any-ref-equals.scala:7: error: method ==: (x$1: Any)Boolean does not take type parameters. + ("": Object).==[Int] + ^ +three errors found diff --git a/tests/untried/neg/t8219-any-any-ref-equals.scala b/tests/untried/neg/t8219-any-any-ref-equals.scala new file mode 100644 index 000000000..f1b81fa73 --- /dev/null +++ b/tests/untried/neg/t8219-any-any-ref-equals.scala @@ -0,0 +1,8 @@ +object Test { + // The error message tells us that AnyRef#== and Any#== are overloaded. + // A real class couldn't define such an overload, why do we allow AnyRef + // to do so? + "".==[Int] + ("": AnyRef).==[Int] + ("": Object).==[Int] +} diff --git a/tests/untried/neg/t8228.check b/tests/untried/neg/t8228.check new file mode 100644 index 000000000..02eff4b1b --- /dev/null +++ b/tests/untried/neg/t8228.check @@ -0,0 +1,4 @@ +t8228.scala:4: error: recursive value foo needs type + val foo = foo(null) + ^ +one error found diff --git a/tests/untried/neg/t8228.scala b/tests/untried/neg/t8228.scala new file mode 100644 index 000000000..19d71aeab --- /dev/null +++ b/tests/untried/neg/t8228.scala @@ -0,0 +1,7 @@ +object X { + def bar = { + def foo(x: Any) = "" + val foo = foo(null) + foo(null) // cycle in isApplicableBasedOnArity + } +} diff --git a/tests/untried/neg/t8229.check b/tests/untried/neg/t8229.check new file mode 100644 index 000000000..cc504fa34 --- /dev/null +++ b/tests/untried/neg/t8229.check @@ -0,0 +1,4 @@ +t8229.scala:5: error: value + is not a member of Object + o + "" + ^ +one error found diff --git a/tests/untried/neg/t8229.scala b/tests/untried/neg/t8229.scala new file mode 100644 index 000000000..91966311e --- /dev/null +++ b/tests/untried/neg/t8229.scala @@ -0,0 +1,6 @@ +import Predef.{any2stringadd => _, _} + +object Test { + val o = new Object() + o + "" +} diff --git a/tests/untried/neg/t8237-default.check b/tests/untried/neg/t8237-default.check new file mode 100644 index 000000000..59fe21ed0 --- /dev/null +++ b/tests/untried/neg/t8237-default.check @@ -0,0 +1,13 @@ +t8237-default.scala:5: error: no type parameters for method test4: (x: T[T[List[T[X forSome { type X }]]]])Nothing exist so that it can be applied to arguments (List[Int]) + --- because --- +argument expression's type is not compatible with formal parameter type; + found : List[Int] + required: ?T[?T[List[?T[X forSome { type X }]]]] + test4(test4$default$1) + ^ +t8237-default.scala:5: error: type mismatch; + found : List[Int] + required: T[T[List[T[X forSome { type X }]]]] + test4(test4$default$1) + ^ +two errors found diff --git a/tests/untried/neg/t8237-default.scala b/tests/untried/neg/t8237-default.scala new file mode 100644 index 000000000..f695aa523 --- /dev/null +++ b/tests/untried/neg/t8237-default.scala @@ -0,0 +1,29 @@ +// This test case was extracte from `names-defaults-neg.scala` +// It pinpoints an improvement an error message that results from +// a type inference failure +object Test extends App { + test4(test4$default$1) + + def test4[T[P]](x: T[T[List[T[X forSome { type X }]]]]) = ??? + def test4$default$1[T[P]]: List[Int] = ??? +} + +/* +OLD: + no type parameters for method test4: (x: T[T[List[T[X forSome { type X }]]]])Nothing exist so that it can be applied to arguments (List[Int]) + --- because --- +argument expression's type is not compatible with formal parameter type; + found : List[Int] + required: ?T + test4(test4$default$1) + ^ + +NEW: + +no type parameters for method test4: (x: T[T[List[T[X forSome { type X }]]]])Nothing exist so that it can be applied to arguments (List[Int]) + --- because --- +argument expression's type is not compatible with formal parameter type; + found : List[Int] + required: ?T[?T[List[?T[X forSome { type X }]]] + test4(test4$default$1) +*/ diff --git a/tests/untried/neg/t8244.check b/tests/untried/neg/t8244.check new file mode 100644 index 000000000..90b2bf6f4 --- /dev/null +++ b/tests/untried/neg/t8244.check @@ -0,0 +1,4 @@ +Test_2.scala:9: error: value exxx is not a member of ?0 + raw.t.exxx // java.lang.ClassCastException: java.lang.String cannot be cast to X + ^ +one error found diff --git a/tests/untried/neg/t8244/Raw_1.java b/tests/untried/neg/t8244/Raw_1.java new file mode 100644 index 000000000..0c667f110 --- /dev/null +++ b/tests/untried/neg/t8244/Raw_1.java @@ -0,0 +1,4 @@ +public abstract class Raw_1<T>{ + public Raw_1 raw() { return new Raw_1<String>() { public String t() { return ""; } }; } + public abstract T t(); +} diff --git a/tests/untried/neg/t8244/Test_2.scala b/tests/untried/neg/t8244/Test_2.scala new file mode 100644 index 000000000..152bb0b87 --- /dev/null +++ b/tests/untried/neg/t8244/Test_2.scala @@ -0,0 +1,12 @@ +class X extends Raw_1[X] { + override def t = this + def exxx = 0 +} + +object Test extends App { + def c(s: X) = { + val raw = s.raw + raw.t.exxx // java.lang.ClassCastException: java.lang.String cannot be cast to X + } + c(new X()) +} diff --git a/tests/untried/neg/t8244b.check b/tests/untried/neg/t8244b.check new file mode 100644 index 000000000..f6cbf99eb --- /dev/null +++ b/tests/untried/neg/t8244b.check @@ -0,0 +1,4 @@ +t8244b.scala:15: error: value exxx is not a member of _$1 + raw.t.exxx + ^ +one error found diff --git a/tests/untried/neg/t8244b.scala b/tests/untried/neg/t8244b.scala new file mode 100644 index 000000000..2fb4f451a --- /dev/null +++ b/tests/untried/neg/t8244b.scala @@ -0,0 +1,18 @@ +class Raw_1[T]{ + def raw(): Raw_1[_] = { new Raw_1[String] { def t() = "" } } + def t(): T +} + + +class X extends Raw_1[X] { + override def t = this + def exxx = 0 +} + +object Test extends App { + def c(s: X) = { + val raw = s.raw + raw.t.exxx + } + c(new X()) +} diff --git a/tests/untried/neg/t8244c.check b/tests/untried/neg/t8244c.check new file mode 100644 index 000000000..fd58a5847 --- /dev/null +++ b/tests/untried/neg/t8244c.check @@ -0,0 +1,4 @@ +t8244c.scala:15: error: value exxx is not a member of _$1 + raw.t.exxx + ^ +one error found diff --git a/tests/untried/neg/t8244c.scala b/tests/untried/neg/t8244c.scala new file mode 100644 index 000000000..2fb4f451a --- /dev/null +++ b/tests/untried/neg/t8244c.scala @@ -0,0 +1,18 @@ +class Raw_1[T]{ + def raw(): Raw_1[_] = { new Raw_1[String] { def t() = "" } } + def t(): T +} + + +class X extends Raw_1[X] { + override def t = this + def exxx = 0 +} + +object Test extends App { + def c(s: X) = { + val raw = s.raw + raw.t.exxx + } + c(new X()) +} diff --git a/tests/untried/neg/t8244e.check b/tests/untried/neg/t8244e.check new file mode 100644 index 000000000..ebd74036e --- /dev/null +++ b/tests/untried/neg/t8244e.check @@ -0,0 +1,4 @@ +Test.scala:9: error: value exxx is not a member of ?0 + raw.t.exxx // java.lang.ClassCastException: java.lang.String cannot be cast to X + ^ +one error found diff --git a/tests/untried/neg/t8244e/Raw.java b/tests/untried/neg/t8244e/Raw.java new file mode 100644 index 000000000..53202e319 --- /dev/null +++ b/tests/untried/neg/t8244e/Raw.java @@ -0,0 +1,4 @@ +public abstract class Raw<T>{ + public Raw raw() { return new Raw<String>() { public String t() { return ""; } }; } + public abstract T t(); +} diff --git a/tests/untried/neg/t8244e/Test.scala b/tests/untried/neg/t8244e/Test.scala new file mode 100644 index 000000000..ca2a90583 --- /dev/null +++ b/tests/untried/neg/t8244e/Test.scala @@ -0,0 +1,12 @@ +class X extends Raw[X] { + override def t = this + def exxx = 0 +} + +object Test extends App { + def c(s: X) = { + val raw = s.raw + raw.t.exxx // java.lang.ClassCastException: java.lang.String cannot be cast to X + } + c(new X()) +} diff --git a/tests/untried/neg/t8266-invalid-interp.check b/tests/untried/neg/t8266-invalid-interp.check new file mode 100644 index 000000000..70dd4081b --- /dev/null +++ b/tests/untried/neg/t8266-invalid-interp.check @@ -0,0 +1,10 @@ +t8266-invalid-interp.scala:4: error: Trailing '\' escapes nothing. + f"a\", + ^ +t8266-invalid-interp.scala:5: error: invalid escape character at index 1 in "a\xc" + f"a\xc", + ^ +t8266-invalid-interp.scala:7: error: invalid escape character at index 1 in "a\vc" + f"a\vc" + ^ +three errors found diff --git a/tests/untried/neg/t8266-invalid-interp.scala b/tests/untried/neg/t8266-invalid-interp.scala new file mode 100644 index 000000000..4b2654688 --- /dev/null +++ b/tests/untried/neg/t8266-invalid-interp.scala @@ -0,0 +1,9 @@ + +trait X { + def f = Seq( + f"a\", + f"a\xc", + // following could suggest \u000b for vertical tab, similar for \a alert + f"a\vc" + ) +} diff --git a/tests/untried/neg/t8300-overloading.check b/tests/untried/neg/t8300-overloading.check new file mode 100644 index 000000000..edd34d44b --- /dev/null +++ b/tests/untried/neg/t8300-overloading.check @@ -0,0 +1,7 @@ +t8300-overloading.scala:15: error: double definition: +def foo(name: Test.u.Name): Nothing at line 14 and +def foo(name: Test.u.TermName): Nothing at line 15 +have same type after erasure: (name: Universe#NameApi)Nothing + def foo(name: TermName) = ??? + ^ +one error found diff --git a/tests/untried/neg/t8300-overloading.scala b/tests/untried/neg/t8300-overloading.scala new file mode 100644 index 000000000..0f4eee7b4 --- /dev/null +++ b/tests/untried/neg/t8300-overloading.scala @@ -0,0 +1,16 @@ +// cf. pos/t8300-overloading.scala +trait Universe { + type Name >: Null <: AnyRef with NameApi + trait NameApi + + type TermName >: Null <: Name with TermNameApi + trait TermNameApi extends NameApi +} + +object Test extends App { + val u: Universe = ??? + import u._ + + def foo(name: Name) = ??? + def foo(name: TermName) = ??? +} diff --git a/tests/untried/neg/t835.check b/tests/untried/neg/t835.check new file mode 100644 index 000000000..6ad18d302 --- /dev/null +++ b/tests/untried/neg/t835.check @@ -0,0 +1,9 @@ +t835.scala:2: error: no `: _*' annotation allowed here +(such annotations are only allowed in arguments to *-parameters) + Console.println(List(List(1, 2, 3) : _*, List(4, 5, 6) : _*)) + ^ +t835.scala:2: error: no `: _*' annotation allowed here +(such annotations are only allowed in arguments to *-parameters) + Console.println(List(List(1, 2, 3) : _*, List(4, 5, 6) : _*)) + ^ +two errors found diff --git a/tests/untried/neg/t835.scala b/tests/untried/neg/t835.scala new file mode 100644 index 000000000..553d2c1be --- /dev/null +++ b/tests/untried/neg/t835.scala @@ -0,0 +1,3 @@ +object Test extends App { + Console.println(List(List(1, 2, 3) : _*, List(4, 5, 6) : _*)) +} diff --git a/tests/untried/neg/t836.check b/tests/untried/neg/t836.check new file mode 100644 index 000000000..cf2faf926 --- /dev/null +++ b/tests/untried/neg/t836.check @@ -0,0 +1,7 @@ +t836.scala:9: error: type mismatch; + found : Any + required: A.this.S + (which expands to) A.this.MyObj#S + val some: S = any // compiles => type X is set to scala.Any + ^ +one error found diff --git a/tests/untried/neg/t836.scala b/tests/untried/neg/t836.scala new file mode 100644 index 000000000..3633b816c --- /dev/null +++ b/tests/untried/neg/t836.scala @@ -0,0 +1,16 @@ +abstract class Obj { type S } +class ObjImpl extends Obj { type S = String } + +abstract class A { + type MyObj <: Obj + type S = MyObj#S + + val any: Any = 0 + val some: S = any // compiles => type X is set to scala.Any +} + +class B extends A { + type MyObj = ObjImpl + val myString: S = "hello" + val realString: String = myString // error: type missmatch +} diff --git a/tests/untried/neg/t8372.check b/tests/untried/neg/t8372.check new file mode 100644 index 000000000..6a6424a83 --- /dev/null +++ b/tests/untried/neg/t8372.check @@ -0,0 +1,7 @@ +t8372.scala:7: error: No ClassTag available for T1 + def unzip[T1, T2](a: Array[(T1, T2)]) = a.unzip + ^ +t8372.scala:9: error: No ClassTag available for T1 + def unzip3[T1, T2, T3](a: Array[(T1, T2, T3)]): (Array[T1], Array[T2], Array[T3]) = a.unzip3 + ^ +two errors found diff --git a/tests/untried/neg/t8372.scala b/tests/untried/neg/t8372.scala new file mode 100644 index 000000000..60a674f4d --- /dev/null +++ b/tests/untried/neg/t8372.scala @@ -0,0 +1,10 @@ +class t8372 { + // failed with "error: tpe T1 is an unresolved spliceable type"; that was caused by + // misguided type inference of type parameters in ArrayOps.unzip + // the type inference failed because the order of implicit arguments was wrong + // the evidence that T <: (T1, T2) came as last argument so it couldn't guide the + // type inference early enough + def unzip[T1, T2](a: Array[(T1, T2)]) = a.unzip + // the same as above + def unzip3[T1, T2, T3](a: Array[(T1, T2, T3)]): (Array[T1], Array[T2], Array[T3]) = a.unzip3 +} diff --git a/tests/untried/neg/t8376.check b/tests/untried/neg/t8376.check new file mode 100644 index 000000000..22ed942d5 --- /dev/null +++ b/tests/untried/neg/t8376.check @@ -0,0 +1,7 @@ +S.scala:2: error: overloaded method value m with alternatives: + (a: J*)Unit <and> + (a: String*)Unit + cannot be applied to (Int) + J.m(0) + ^ +one error found diff --git a/tests/untried/neg/t8376/J.java b/tests/untried/neg/t8376/J.java new file mode 100644 index 000000000..29aa23da8 --- /dev/null +++ b/tests/untried/neg/t8376/J.java @@ -0,0 +1,4 @@ +class J { + public static void m(String... a) { } + public static void m(J... a) { } +} diff --git a/tests/untried/neg/t8376/S.scala b/tests/untried/neg/t8376/S.scala new file mode 100644 index 000000000..a19f0d3c0 --- /dev/null +++ b/tests/untried/neg/t8376/S.scala @@ -0,0 +1,4 @@ +object S { + J.m(0) + // the error message should show `T*` in the method signatures rather than `<repeated>[T]` +} diff --git a/tests/untried/neg/t845.check b/tests/untried/neg/t845.check new file mode 100644 index 000000000..07ed7e417 --- /dev/null +++ b/tests/untried/neg/t845.check @@ -0,0 +1,4 @@ +t845.scala:4: error: only classes can have declared but undefined members + type Bar; + ^ +one error found diff --git a/tests/untried/neg/t845.scala b/tests/untried/neg/t845.scala new file mode 100644 index 000000000..ddf6a16f3 --- /dev/null +++ b/tests/untried/neg/t845.scala @@ -0,0 +1,16 @@ +package test; + +object Test extends App { + type Bar; + trait FooImpl; + + trait Bob { + def bar : Bar with FooImpl; + } + def ifn[A,B](a : A)(f : A => B) = + if (a != null) f(a) else null; + + val bob : Bob = null; + val bar = ifn(bob)(_.bar); + assert(bar == null); +} diff --git a/tests/untried/neg/t846.check b/tests/untried/neg/t846.check new file mode 100644 index 000000000..242a8001f --- /dev/null +++ b/tests/untried/neg/t846.check @@ -0,0 +1,6 @@ +t846.scala:9: error: type mismatch; + found : Null(null) + required: B + if (a != null) f(a) else null + ^ +one error found diff --git a/tests/untried/neg/t846.scala b/tests/untried/neg/t846.scala new file mode 100644 index 000000000..acf846203 --- /dev/null +++ b/tests/untried/neg/t846.scala @@ -0,0 +1,13 @@ +package test; +trait Test { + type Bar; + trait FooImpl; + trait Bob { + def bar : Bar with FooImpl; + } + def ifn[A,B](a : A)(f : A => B): B = + if (a != null) f(a) else null + val bob : Bob = null; + val bar = ifn(bob)(_.bar); + assert(bar == null); +} diff --git a/tests/untried/neg/t856.check b/tests/untried/neg/t856.check new file mode 100644 index 000000000..fb93f96d9 --- /dev/null +++ b/tests/untried/neg/t856.check @@ -0,0 +1,14 @@ +t856.scala:3: error: class ComplexRect needs to be abstract, since: +it has 2 unimplemented members. +/** As seen from class ComplexRect, the missing signatures are as follows. + * For convenience, these are usable as stub implementations. + */ + // Members declared in scala.Equals + def canEqual(that: Any): Boolean = ??? + + // Members declared in scala.Product2 + def _2: Double = ??? + +class ComplexRect(val _1:Double, _2:Double) extends Complex { + ^ +one error found diff --git a/tests/untried/neg/t856.scala b/tests/untried/neg/t856.scala new file mode 100644 index 000000000..fea216bfa --- /dev/null +++ b/tests/untried/neg/t856.scala @@ -0,0 +1,11 @@ +trait Complex extends Product2[Double,Double] + +class ComplexRect(val _1:Double, _2:Double) extends Complex { + override def toString = "ComplexRect("+_1+","+_2+")" +} + +object Test { + def main(args:Array[String]) = { + new ComplexRect(1,1)._2 + } +} diff --git a/tests/untried/neg/t875.check b/tests/untried/neg/t875.check new file mode 100644 index 000000000..406edcf50 --- /dev/null +++ b/tests/untried/neg/t875.check @@ -0,0 +1,17 @@ +t875.scala:3: error: no `: _*' annotation allowed here +(such annotations are only allowed in arguments to *-parameters) + val ys = List(1, 2, 3, xs: _*) + ^ +t875.scala:6: error: no `: _*' annotation allowed here +(such annotations are only allowed in arguments to *-parameters) + mkList1(xs: _*) + ^ +t875.scala:15: error: no `: _*' annotation allowed here +(such annotations are only allowed in arguments to *-parameters) + f(true, 1, xs: _*) + ^ +t875.scala:16: error: no `: _*' annotation allowed here +(such annotations are only allowed in arguments to *-parameters) + g(1, xs:_*) + ^ +four errors found diff --git a/tests/untried/neg/t875.scala b/tests/untried/neg/t875.scala new file mode 100644 index 000000000..841b2aec3 --- /dev/null +++ b/tests/untried/neg/t875.scala @@ -0,0 +1,18 @@ +object Test extends App { + val xs = List(4, 5, 6) + val ys = List(1, 2, 3, xs: _*) + def mkList1(x: Int) = List(x) + def mkList2(x: Boolean) = List(x) + mkList1(xs: _*) + + + def f(x: Int*) = List(x: _*) + + def f(x: Boolean, y: Int*) = List(y: _*) + + def g[a](x: a*) = List(x: _*) + + f(true, 1, xs: _*) + g(1, xs:_*) + +} diff --git a/tests/untried/neg/t876.check b/tests/untried/neg/t876.check new file mode 100644 index 000000000..04c5c8f22 --- /dev/null +++ b/tests/untried/neg/t876.check @@ -0,0 +1,4 @@ +t876.scala:25: error: too many arguments for method apply: (key: AssertionError.A)manager.B in class HashMap + assert(manager.map(A2) == List(manager.map(A2, A1))) + ^ +one error found diff --git a/tests/untried/neg/t876.scala b/tests/untried/neg/t876.scala new file mode 100644 index 000000000..981d48d8b --- /dev/null +++ b/tests/untried/neg/t876.scala @@ -0,0 +1,28 @@ +import scala.collection.mutable.HashMap + +object AssertionError extends AnyRef with App +{ + abstract class A {} + + object A1 extends A {} + + object A2 extends A {} + + class Manager + { + final class B {} + + val map = new HashMap[A, B] + } + + + def test[T](f: => T): Unit = { f } + + test { + val manager = new Manager + + // This line is illegal and causes a compiler crash with Scala 2.3.1 + assert(manager.map(A2) == List(manager.map(A2, A1))) + } + +} diff --git a/tests/untried/neg/t877.check b/tests/untried/neg/t877.check new file mode 100644 index 000000000..c3d4ab658 --- /dev/null +++ b/tests/untried/neg/t877.check @@ -0,0 +1,7 @@ +t877.scala:3: error: Invalid literal number +trait Foo extends A(22A, Bug!) {} + ^ +t877.scala:3: error: ')' expected but eof found. +trait Foo extends A(22A, Bug!) {} + ^ +two errors found diff --git a/tests/untried/neg/t877.scala b/tests/untried/neg/t877.scala new file mode 100644 index 000000000..5e132a1dd --- /dev/null +++ b/tests/untried/neg/t877.scala @@ -0,0 +1,3 @@ +class A + +trait Foo extends A(22A, Bug!) {} diff --git a/tests/untried/neg/t882.check b/tests/untried/neg/t882.check new file mode 100644 index 000000000..a906778a1 --- /dev/null +++ b/tests/untried/neg/t882.check @@ -0,0 +1,4 @@ +t882.scala:2: error: traits cannot have type parameters with context bounds `: ...' nor view bounds `<% ...' +trait SortedSet[A <% Ordered[A]] { + ^ +one error found diff --git a/tests/untried/neg/t882.scala b/tests/untried/neg/t882.scala new file mode 100644 index 000000000..5a8908bef --- /dev/null +++ b/tests/untried/neg/t882.scala @@ -0,0 +1,6 @@ +package test; +trait SortedSet[A <% Ordered[A]] { + def first : A; + def last : A; + assert(first.compare(last) < 0); +} diff --git a/tests/untried/neg/t900.check b/tests/untried/neg/t900.check new file mode 100644 index 000000000..6fe26a31a --- /dev/null +++ b/tests/untried/neg/t900.check @@ -0,0 +1,9 @@ +t900.scala:4: error: type mismatch; + found : Foo.this.x.type (with underlying type Foo.this.bar) + required: AnyRef +Note that bar is unbounded, which means AnyRef is not a known parent. +Such types can participate in value classes, but instances +cannot appear in singleton types or in reference comparisons. + def break(): x.type + ^ +one error found diff --git a/tests/untried/neg/t900.scala b/tests/untried/neg/t900.scala new file mode 100644 index 000000000..2d2c85757 --- /dev/null +++ b/tests/untried/neg/t900.scala @@ -0,0 +1,5 @@ +trait Foo { + type bar + val x : bar + def break(): x.type +} diff --git a/tests/untried/neg/t908.check b/tests/untried/neg/t908.check new file mode 100644 index 000000000..2c723a700 --- /dev/null +++ b/tests/untried/neg/t908.check @@ -0,0 +1,4 @@ +t908.scala:8: error: not found: value makeA + this(makeA) + ^ +one error found diff --git a/tests/untried/neg/t908.scala b/tests/untried/neg/t908.scala new file mode 100644 index 000000000..97f3c5058 --- /dev/null +++ b/tests/untried/neg/t908.scala @@ -0,0 +1,11 @@ +abstract class A[T <% Ordered[T]] { + def makeA = new Object +// case object default extends Object +} + +class C[T <% Ordered[T]](foo: Object) extends A[T] { + def this() = { + this(makeA) + // this(default) + } +} diff --git a/tests/untried/neg/t909.check b/tests/untried/neg/t909.check new file mode 100644 index 000000000..e7a42bd24 --- /dev/null +++ b/tests/untried/neg/t909.check @@ -0,0 +1,6 @@ +t909.scala:6: error: type mismatch; + found : String("Hello") + required: Int + case Foo("Hello") => + ^ +one error found diff --git a/tests/untried/neg/t909.scala b/tests/untried/neg/t909.scala new file mode 100644 index 000000000..63dd88adf --- /dev/null +++ b/tests/untried/neg/t909.scala @@ -0,0 +1,9 @@ +case class Foo(x:Int) + +object Bar { + def main(args:Array[String]): Unit = { + Foo(2) match { + case Foo("Hello") => + } + } +} diff --git a/tests/untried/neg/t910.check b/tests/untried/neg/t910.check new file mode 100644 index 000000000..45420f8e3 --- /dev/null +++ b/tests/untried/neg/t910.check @@ -0,0 +1,6 @@ +t910.scala:4: error: type mismatch; + found : Seq[Char] + required: Seq[Int] + val y: Seq[Int] = rest + ^ +one error found diff --git a/tests/untried/neg/t910.scala b/tests/untried/neg/t910.scala new file mode 100644 index 000000000..cc47104d1 --- /dev/null +++ b/tests/untried/neg/t910.scala @@ -0,0 +1,7 @@ +object RegExpTest1 extends App { + def co(x: Seq[Char]) = x match { + case Seq('s','c','a','l','a', rest @ _*) => + val y: Seq[Int] = rest + y + } +} diff --git a/tests/untried/neg/t935.check b/tests/untried/neg/t935.check new file mode 100644 index 000000000..af634a263 --- /dev/null +++ b/tests/untried/neg/t935.check @@ -0,0 +1,7 @@ +t935.scala:7: error: type arguments [Test3.B] do not conform to class E's type parameter bounds [T <: String] + @E[B](new B) val b = "hi" + ^ +t935.scala:13: error: type arguments [Test4.B] do not conform to class E's type parameter bounds [T <: String] + val b: String @E[B](new B) = "hi" + ^ +two errors found diff --git a/tests/untried/neg/t935.scala b/tests/untried/neg/t935.scala new file mode 100644 index 000000000..299062adb --- /dev/null +++ b/tests/untried/neg/t935.scala @@ -0,0 +1,14 @@ +import annotation.Annotation + +object Test3 { + class E[T >: Nothing <: String](s: T) extends Annotation + class B + // val a = new E[B](new B) + @E[B](new B) val b = "hi" +} + +object Test4 { + class E[T <: String](s: T) extends Annotation + class B + val b: String @E[B](new B) = "hi" +} diff --git a/tests/untried/neg/t944.check b/tests/untried/neg/t944.check new file mode 100644 index 000000000..1fc0a1220 --- /dev/null +++ b/tests/untried/neg/t944.check @@ -0,0 +1,4 @@ +t944.scala:5: error: implementation restricts functions to 22 parameters + a23:Int) => 1 + ^ +one error found diff --git a/tests/untried/neg/t944.scala b/tests/untried/neg/t944.scala new file mode 100644 index 000000000..dc80e5f49 --- /dev/null +++ b/tests/untried/neg/t944.scala @@ -0,0 +1,6 @@ +object TooManyArgsFunction { + val f = (a1:Int, a2:Int, a3:Int, a4:Int, a5:Int, a6:Int, a7:Int, a8:Int, + a9:Int, a10:Int, a11:Int, a12:Int, a13:Int, a14:Int, a15:Int, + a16:Int, a17:Int, a18:Int, a19:Int, a20:Int, a21:Int, a22:Int, + a23:Int) => 1 +} diff --git a/tests/untried/neg/t961.check b/tests/untried/neg/t961.check new file mode 100644 index 000000000..14d39b0f4 --- /dev/null +++ b/tests/untried/neg/t961.check @@ -0,0 +1,4 @@ +t961.scala:11: error: Temp.B.type does not take parameters + B() match { + ^ +one error found diff --git a/tests/untried/neg/t961.scala b/tests/untried/neg/t961.scala new file mode 100644 index 000000000..088bddd7e --- /dev/null +++ b/tests/untried/neg/t961.scala @@ -0,0 +1,14 @@ +object Temp { + abstract class A + object B { + private case class B_inner() extends A + def apply: A = B_inner() + def unapply(a: A) = a match { + case B_inner() => true + case _ => false + } + } + B() match { + case B() => Console.println("match") + } +} diff --git a/tests/untried/neg/t963.check b/tests/untried/neg/t963.check new file mode 100644 index 000000000..4dc202c7b --- /dev/null +++ b/tests/untried/neg/t963.check @@ -0,0 +1,12 @@ +t963.scala:14: error: stable identifier required, but Test.this.y3.x found. + val w3 : y3.x.type = y3.x + ^ +t963.scala:17: error: stable identifier required, but Test.this.y4.x found. + val w4 : y4.x.type = y4.x + ^ +t963.scala:10: error: type mismatch; + found : AnyRef{def x: Integer} + required: AnyRef{val x: Integer} + val y2 : { val x : java.lang.Integer } = new { def x = new java.lang.Integer(r.nextInt) } + ^ +three errors found diff --git a/tests/untried/neg/t963.scala b/tests/untried/neg/t963.scala new file mode 100644 index 000000000..0cc203429 --- /dev/null +++ b/tests/untried/neg/t963.scala @@ -0,0 +1,18 @@ +import scala.util.Random + +// Only y1 (val/val) should actually compile. +object Test { + val r = new Random() + + val y1 : { val x : java.lang.Integer } = new { val x = new java.lang.Integer(r.nextInt) } + val w1 : y1.x.type = y1.x + + val y2 : { val x : java.lang.Integer } = new { def x = new java.lang.Integer(r.nextInt) } + val w2 : y2.x.type = y2.x + + val y3 : { def x : java.lang.Integer } = new { val x = new java.lang.Integer(r.nextInt) } + val w3 : y3.x.type = y3.x + + val y4 : { def x : java.lang.Integer } = new { def x = new java.lang.Integer(r.nextInt) } + val w4 : y4.x.type = y4.x +} diff --git a/tests/untried/neg/t963b.check b/tests/untried/neg/t963b.check new file mode 100644 index 000000000..9918a98c4 --- /dev/null +++ b/tests/untried/neg/t963b.check @@ -0,0 +1,6 @@ +t963b.scala:25: error: type mismatch; + found : B.type + required: AnyRef{val y: A} + B.f(B) + ^ +one error found diff --git a/tests/untried/neg/t963b.scala b/tests/untried/neg/t963b.scala new file mode 100644 index 000000000..3442f46c4 --- /dev/null +++ b/tests/untried/neg/t963b.scala @@ -0,0 +1,26 @@ +// Soundness bug, at #963 and dup at #2079. +trait A { + type T + var v : T +} + +object B { + def f(x : { val y : A }): Unit = { x.y.v = x.y.v } + + var a : A = _ + var b : Boolean = false + def y : A = { + if(b) { + a = new A { type T = Int; var v = 1 } + a + } else { + a = new A { type T = String; var v = "" } + b = true + a + } + } +} + +object Test extends App { + B.f(B) +} diff --git a/tests/untried/neg/t987.check b/tests/untried/neg/t987.check new file mode 100644 index 000000000..90ab70ba1 --- /dev/null +++ b/tests/untried/neg/t987.check @@ -0,0 +1,19 @@ +t987.scala:15: error: illegal inheritance; + class E inherits different type instances of trait B: +B[D] and B[C] +class E extends D + ^ +t987.scala:20: error: illegal inheritance; + class F inherits different type instances of trait B: +B[D] and B[C] +class F extends D + ^ +t987.scala:25: error: illegal inheritance; + class D inherits different type instances of trait B: +B[D] and B[C] +abstract class D extends C with B[D] {} + ^ +t987.scala:25: error: type arguments [D] do not conform to trait B's type parameter bounds [T <: B[T]] +abstract class D extends C with B[D] {} + ^ +four errors found diff --git a/tests/untried/neg/t987.scala b/tests/untried/neg/t987.scala new file mode 100644 index 000000000..1fedf12eb --- /dev/null +++ b/tests/untried/neg/t987.scala @@ -0,0 +1,25 @@ +// tested using Scala compiler version 2.4.0-RC1 -- (c) 2002-2011 LAMP/EPFL + +// Many thanks to all at LAMP for the work that goes into Scala. + + +class A {} + +trait B[T <: B[T]] { self: T => } + +abstract class C extends A with B[C] +{ + protected val data: List[Int] +} + +class E extends D +{ + val data = Nil +} + +class F extends D +{ + val data = Nil +} + +abstract class D extends C with B[D] {} diff --git a/tests/untried/neg/t997.check b/tests/untried/neg/t997.check new file mode 100644 index 000000000..b11879222 --- /dev/null +++ b/tests/untried/neg/t997.check @@ -0,0 +1,4 @@ +t997.scala:13: error: too many patterns for object Foo offering (String, String): expected 2, found 3 +"x" match { case Foo(a, b, c) => Console.println((a,b,c)) } + ^ +one error found diff --git a/tests/untried/neg/t997.scala b/tests/untried/neg/t997.scala new file mode 100644 index 000000000..1198738f2 --- /dev/null +++ b/tests/untried/neg/t997.scala @@ -0,0 +1,15 @@ +// An extractor with 2 results +object Foo { def unapply(x : String) = Some((x, x)) } + +object Test extends App { + +// Prints '(x, x)'. Should compile as per SI-6111. +"x" match { case Foo(a) => Console.println(a) } + +// Prints '(x,x)' as expected. +"x" match { case Foo(a, b) => Console.println((a,b)) } + +// Gives confusing error 'not found: value c'. +"x" match { case Foo(a, b, c) => Console.println((a,b,c)) } + +} diff --git a/tests/untried/neg/tailrec-2.check b/tests/untried/neg/tailrec-2.check new file mode 100644 index 000000000..1daad6922 --- /dev/null +++ b/tests/untried/neg/tailrec-2.check @@ -0,0 +1,7 @@ +tailrec-2.scala:8: error: could not optimize @tailrec annotated method f: it contains a recursive call targeting a supertype + @annotation.tailrec final def f[B >: A](mem: List[B]): List[B] = (null: Super[A]).f(mem) + ^ +tailrec-2.scala:9: error: @tailrec annotated method contains no recursive calls + @annotation.tailrec final def f1[B >: A](mem: List[B]): List[B] = this.g(mem) + ^ +two errors found diff --git a/tests/untried/neg/tailrec-2.scala b/tests/untried/neg/tailrec-2.scala new file mode 100644 index 000000000..d6b8b1355 --- /dev/null +++ b/tests/untried/neg/tailrec-2.scala @@ -0,0 +1,29 @@ +sealed abstract class Super[+A] { + def f[B >: A](mem: List[B]) : List[B] + def g(mem: List[_]) = ??? +} +// This one should fail, target is a supertype +class Bop1[+A](val element: A) extends Super[A] { + + @annotation.tailrec final def f[B >: A](mem: List[B]): List[B] = (null: Super[A]).f(mem) + @annotation.tailrec final def f1[B >: A](mem: List[B]): List[B] = this.g(mem) +} +// These succeed +class Bop2[+A](val element: A) extends Super[A] { + @annotation.tailrec final def f[B >: A](mem: List[B]): List[B] = (null: Bop2[A]).f(mem) +} +object Bop3 extends Super[Nothing] { + @annotation.tailrec final def f[B](mem: List[B]): List[B] = (null: Bop3.type).f(mem) +} +class Bop4[+A](val element: A) extends Super[A] { + @annotation.tailrec final def f[B >: A](mem: List[B]): List[B] = Other.f[A].f(mem) +} + +object Other { + def f[T] : Bop4[T] = sys.error("") +} + +object Bop { + def m1[A] : Super[A] = sys.error("") + def m2[A] : Bop2[A] = sys.error("") +} diff --git a/tests/untried/neg/tailrec-3.check b/tests/untried/neg/tailrec-3.check new file mode 100644 index 000000000..a3542fb56 --- /dev/null +++ b/tests/untried/neg/tailrec-3.check @@ -0,0 +1,10 @@ +tailrec-3.scala:4: error: could not optimize @tailrec annotated method quux: it contains a recursive call not in tail position + @tailrec private def quux(xs: List[String]): List[String] = quux(quux(xs)) + ^ +tailrec-3.scala:6: error: could not optimize @tailrec annotated method quux2: it contains a recursive call not in tail position + case x1 :: x2 :: rest => quux2(x1 :: quux2(rest)) + ^ +tailrec-3.scala:10: error: could not optimize @tailrec annotated method quux3: it contains a recursive call not in tail position + case x :: xs if quux3(List("abc")) => quux3(xs) + ^ +three errors found diff --git a/tests/untried/neg/tailrec-3.scala b/tests/untried/neg/tailrec-3.scala new file mode 100644 index 000000000..20361658e --- /dev/null +++ b/tests/untried/neg/tailrec-3.scala @@ -0,0 +1,14 @@ +import annotation.tailrec + +object Test { + @tailrec private def quux(xs: List[String]): List[String] = quux(quux(xs)) + @tailrec private def quux2(xs: List[String]): List[String] = xs match { + case x1 :: x2 :: rest => quux2(x1 :: quux2(rest)) + case _ => Nil + } + @tailrec private def quux3(xs: List[String]): Boolean = xs match { + case x :: xs if quux3(List("abc")) => quux3(xs) + case _ => false + } +} + diff --git a/tests/untried/neg/tailrec.check b/tests/untried/neg/tailrec.check new file mode 100644 index 000000000..946d3421e --- /dev/null +++ b/tests/untried/neg/tailrec.check @@ -0,0 +1,16 @@ +tailrec.scala:45: error: could not optimize @tailrec annotated method facfail: it contains a recursive call not in tail position + else n * facfail(n - 1) + ^ +tailrec.scala:50: error: could not optimize @tailrec annotated method fail1: it is neither private nor final so can be overridden + @tailrec def fail1(x: Int): Int = fail1(x) + ^ +tailrec.scala:53: error: could not optimize @tailrec annotated method fail2: it contains a recursive call not in tail position + @tailrec final def fail2[T](xs: List[T]): List[T] = xs match { + ^ +tailrec.scala:59: error: could not optimize @tailrec annotated method fail3: it is called recursively with different type arguments + @tailrec final def fail3[T](x: Int): Int = fail3(x - 1) + ^ +tailrec.scala:63: error: could not optimize @tailrec annotated method fail4: it changes type of 'this' on a polymorphic recursive call + @tailrec final def fail4[U](other: Tom[U], x: Int): Int = other.fail4[U](other, x - 1) + ^ +5 errors found diff --git a/tests/untried/neg/tailrec.scala b/tests/untried/neg/tailrec.scala new file mode 100644 index 000000000..83a0c1a9e --- /dev/null +++ b/tests/untried/neg/tailrec.scala @@ -0,0 +1,65 @@ +import scala.annotation.tailrec + +// putting @tailrec through the paces +object Winners { + @tailrec + def facsucc(n: Int, acc: Int): Int = + if (n == 0) acc + else facsucc(n - 1, n * acc) + + @tailrec def loopsucc1(x: Int): Int = loopsucc1(x - 1) + @tailrec def loopsucc2[T](x: Int): Int = loopsucc2[T](x - 1) + + def ding(): Unit = { + object dong { + @tailrec def loopsucc3(x: Int): Int = loopsucc3(x) + } + () + } + + def inner(q: Int) = { + @tailrec + def loopsucc4(x: Int): Int = loopsucc4(x + 1) + + loopsucc4(q) + } + + object innerBob { + @tailrec def loopsucc5(x: Int): Int = loopsucc5(x) + } +} + +class Winners { + @tailrec private def succ1(x: Int): Int = succ1(x) + @tailrec final def succ2(x: Int): Int = succ2(x) + @tailrec final def succ3[T](in: List[T], acc: List[T]): List[T] = in match { + case Nil => Nil + case x :: xs => succ3(xs, x :: acc) + } +} + +object Failures { + @tailrec + def facfail(n: Int): Int = + if (n == 0) 1 + else n * facfail(n - 1) +} + +class Failures { + // not private, not final + @tailrec def fail1(x: Int): Int = fail1(x) + + // a typical between-chair-and-keyboard error + @tailrec final def fail2[T](xs: List[T]): List[T] = xs match { + case Nil => Nil + case x :: xs => x :: fail2[T](xs) + } + + // unsafe + @tailrec final def fail3[T](x: Int): Int = fail3(x - 1) + + // unsafe + class Tom[T](x: Int) { + @tailrec final def fail4[U](other: Tom[U], x: Int): Int = other.fail4[U](other, x - 1) + } +} diff --git a/tests/untried/neg/tcpoly_bounds.check b/tests/untried/neg/tcpoly_bounds.check new file mode 100644 index 000000000..8b65c8d7f --- /dev/null +++ b/tests/untried/neg/tcpoly_bounds.check @@ -0,0 +1,4 @@ +tcpoly_bounds.scala:3: error: type arguments [List] do not conform to class A's type parameter bounds [m[x] <: Option[x]] +object b extends A[List] + ^ +one error found diff --git a/tests/untried/neg/tcpoly_bounds.scala b/tests/untried/neg/tcpoly_bounds.scala new file mode 100644 index 000000000..b444c59b3 --- /dev/null +++ b/tests/untried/neg/tcpoly_bounds.scala @@ -0,0 +1,3 @@ +class A[m[x] <: Option[x]] +object a extends A[Some] +object b extends A[List] diff --git a/tests/untried/neg/tcpoly_infer_ticket1162.check b/tests/untried/neg/tcpoly_infer_ticket1162.check new file mode 100644 index 000000000..67b79e7f3 --- /dev/null +++ b/tests/untried/neg/tcpoly_infer_ticket1162.check @@ -0,0 +1,4 @@ +tcpoly_infer_ticket1162.scala:6: error: wrong number of type parameters for method apply: [A, B, F[_]]()Test.Lift[A,B,F] in object Lift + def simplify[A,B]: Expression[A,B] = Lift[A,B]() + ^ +one error found diff --git a/tests/untried/neg/tcpoly_infer_ticket1162.scala b/tests/untried/neg/tcpoly_infer_ticket1162.scala new file mode 100644 index 000000000..0552b42a2 --- /dev/null +++ b/tests/untried/neg/tcpoly_infer_ticket1162.scala @@ -0,0 +1,8 @@ +object Test { + trait Expression[A,B] + + case class Lift[A,B,F[_]]() extends Expression[F[A],F[B]] + + def simplify[A,B]: Expression[A,B] = Lift[A,B]() +} + diff --git a/tests/untried/neg/tcpoly_override.check b/tests/untried/neg/tcpoly_override.check new file mode 100644 index 000000000..dbc3ff946 --- /dev/null +++ b/tests/untried/neg/tcpoly_override.check @@ -0,0 +1,6 @@ +tcpoly_override.scala:9: error: The kind of type T does not conform to the expected kind of type T[_] in trait A. +C.this.T's type parameters do not match type T's expected parameters: +type T (in class C) has no type parameters, but type T (in trait A) has one + type T = B // This compiles well (@M: ... but it shouldn't) + ^ +one error found diff --git a/tests/untried/neg/tcpoly_override.scala b/tests/untried/neg/tcpoly_override.scala new file mode 100644 index 000000000..dd043b47e --- /dev/null +++ b/tests/untried/neg/tcpoly_override.scala @@ -0,0 +1,10 @@ +// t1231: reported by Vladimir Reshetnikov on 19 July 2007 +trait A { + type T[_] +} + +trait B // First-order type + +class C extends A { + type T = B // This compiles well (@M: ... but it shouldn't) +} diff --git a/tests/untried/neg/tcpoly_ticket2101.check b/tests/untried/neg/tcpoly_ticket2101.check new file mode 100644 index 000000000..ad0fd8bda --- /dev/null +++ b/tests/untried/neg/tcpoly_ticket2101.check @@ -0,0 +1,4 @@ +tcpoly_ticket2101.scala:2: error: type arguments [T2,X] do not conform to class T's type parameter bounds [A[Y] <: T[A,B],B] +class T2[X] extends T[T2, X] // ill-typed + ^ +one error found diff --git a/tests/untried/neg/tcpoly_ticket2101.scala b/tests/untried/neg/tcpoly_ticket2101.scala new file mode 100644 index 000000000..68f061ce7 --- /dev/null +++ b/tests/untried/neg/tcpoly_ticket2101.scala @@ -0,0 +1,28 @@ +class T[A[Y] <: T[A, B], B] +class T2[X] extends T[T2, X] // ill-typed +// because this bound is not met: +// Forall Y. T2[Y] <: T[T2, X] + +// debugging before fix: +// def isSubType0 --> +// case (PolyType(tparams1, res1), PolyType(tparams2, res2)) => println("<:<PT: "+((tparams1, res1), (tparams2, res2))) //@MDEBUG +// (tparams1.length == tparams2.length && +// List.forall2(tparams1, tparams2) +// ((p1, p2) => p2.info.substSym(tparams2, tparams1) <:< p1.info) && +// res1 <:< res2.substSym(tparams2, tparams1)) + +// generates output: +// <:<PT: ((List(type Y),A[Y]),(List(type Y),T[A,B])) +// <:<PT: ((List(type X),T2[X]),(List(type Y),T[T2,X])) + +// however, last check should have been: +// <:<PT: ((List(type X1),T2[X1]),(List(type Y1),T[T2,X])) + +// case (PolyType(tparams1, res1), PolyType(tparams2, res2)) => println("<:<PT: "+((tparams1, res1), (tparams2, res2))) //@MDEBUG +// (tparams1.length == tparams2.length && +// { +// val tpsFresh = cloneSymbols(tparams1) // @M cloneSymbols(tparams2) should be equivalent -- TODO: check +// List.forall2(tparams1, tparams2) +// ((p1, p2) => p2.info.substSym(tparams2, tpsFresh) <:< p1.info.substSym(tparams1, tpsFresh)) && +// res1.substSym(tparams1, tpsFresh) <:< res2.substSym(tparams2, tpsFresh) +// }) diff --git a/tests/untried/neg/tcpoly_typealias.check b/tests/untried/neg/tcpoly_typealias.check new file mode 100644 index 000000000..4beac0e44 --- /dev/null +++ b/tests/untried/neg/tcpoly_typealias.check @@ -0,0 +1,16 @@ +tcpoly_typealias.scala:37: error: The kind of type m does not conform to the expected kind of type m[+x] in trait A. +BInv.this.m's type parameters do not match type m's expected parameters: +type x (in trait BInv) is invariant, but type x (in trait A) is declared covariant + type m[x] = FooCov[x] // error: invariant x in alias def + ^ +tcpoly_typealias.scala:41: error: The kind of type m does not conform to the expected kind of type m[+x] in trait A. +BCon.this.m's type parameters do not match type m's expected parameters: +type x (in trait BCon) is contravariant, but type x (in trait A) is declared covariant + type m[-x] = FooCon[x] // error: contravariant x + ^ +tcpoly_typealias.scala:45: error: The kind of type m does not conform to the expected kind of type m[+x] in trait A. +BBound.this.m's type parameters do not match type m's expected parameters: +type x (in trait BBound)'s bounds <: String are stricter than type x (in trait A)'s declared bounds >: Nothing <: Any + type m[+x <: String] = FooBound[x] // error: x with stricter bound + ^ +three errors found diff --git a/tests/untried/neg/tcpoly_typealias.scala b/tests/untried/neg/tcpoly_typealias.scala new file mode 100644 index 000000000..6c7f80cc0 --- /dev/null +++ b/tests/untried/neg/tcpoly_typealias.scala @@ -0,0 +1,47 @@ +trait A { + type m[+x] +} + +trait A2 { + type m[+x <: String] +} + +trait A3 { + type m[x] +} + +trait FooCov[+x] +trait FooCon[-x] +trait FooBound[+x <: String] + +trait BOk1 extends A { + type m[+x] = FooCov[x] +} + +trait BOk2 extends A2 { + type m[+x <: String] = FooBound[x] +} + +trait BOk3 extends A2 { + type m[+x] = FooCov[x] // weaker bound +} + +trait BOk4 extends A3 { + type m[+x] = FooCov[x] // weaker variance +} + +// there are two aspects to check: + // does type alias signature (not considering RHS) correspond to abstract type member in super class + // does RHS correspond to the type alias sig +trait BInv extends A{ + type m[x] = FooCov[x] // error: invariant x in alias def +} + +trait BCon extends A{ + type m[-x] = FooCon[x] // error: contravariant x +} + +trait BBound extends A{ + type m[+x <: String] = FooBound[x] // error: x with stricter bound +} + diff --git a/tests/untried/neg/tcpoly_variance.check b/tests/untried/neg/tcpoly_variance.check new file mode 100644 index 000000000..c0dfcac2d --- /dev/null +++ b/tests/untried/neg/tcpoly_variance.check @@ -0,0 +1,5 @@ +tcpoly_variance.scala:6: error: overriding method str in class A of type => m[Object]; + method str has incompatible type + override def str: m[String] = sys.error("foo") // since x in m[x] is invariant, ! m[String] <: m[Object] + ^ +one error found diff --git a/tests/untried/neg/tcpoly_variance.scala b/tests/untried/neg/tcpoly_variance.scala new file mode 100644 index 000000000..4b9bd50e0 --- /dev/null +++ b/tests/untried/neg/tcpoly_variance.scala @@ -0,0 +1,7 @@ +class A[m[x]] { + def str: m[Object] = sys.error("foo") +} + +class B[m[x]] extends A[m] { + override def str: m[String] = sys.error("foo") // since x in m[x] is invariant, ! m[String] <: m[Object] +} diff --git a/tests/untried/neg/tcpoly_variance_enforce.check b/tests/untried/neg/tcpoly_variance_enforce.check new file mode 100644 index 000000000..3299cc343 --- /dev/null +++ b/tests/untried/neg/tcpoly_variance_enforce.check @@ -0,0 +1,57 @@ +tcpoly_variance_enforce.scala:15: error: kinds of the type arguments (FooInvar) do not conform to the expected kinds of the type parameters (type m) in trait coll. +FooInvar's type parameters do not match type m's expected parameters: +type x (in class FooInvar) is invariant, but type x is declared covariant +object fcollinv extends coll[FooInvar] // error + ^ +tcpoly_variance_enforce.scala:16: error: kinds of the type arguments (FooContra) do not conform to the expected kinds of the type parameters (type m) in trait coll. +FooContra's type parameters do not match type m's expected parameters: +type x (in class FooContra) is contravariant, but type x is declared covariant +object fcollcon extends coll[FooContra] // error + ^ +tcpoly_variance_enforce.scala:17: error: kinds of the type arguments (FooString) do not conform to the expected kinds of the type parameters (type m) in trait coll. +FooString's type parameters do not match type m's expected parameters: +type x (in class FooString)'s bounds <: String are stricter than type x's declared bounds >: Nothing <: Any +object fcollwb extends coll[FooString] // error + ^ +tcpoly_variance_enforce.scala:19: error: kinds of the type arguments (FooCov) do not conform to the expected kinds of the type parameters (type m) in trait coll2. +FooCov's type parameters do not match type m's expected parameters: +type x (in class FooCov) is covariant, but type x is declared contravariant +object fcoll2ok extends coll2[FooCov] // error + ^ +tcpoly_variance_enforce.scala:20: error: kinds of the type arguments (FooInvar) do not conform to the expected kinds of the type parameters (type m) in trait coll2. +FooInvar's type parameters do not match type m's expected parameters: +type x (in class FooInvar) is invariant, but type x is declared contravariant +object fcoll2inv extends coll2[FooInvar] // error + ^ +tcpoly_variance_enforce.scala:22: error: kinds of the type arguments (FooString) do not conform to the expected kinds of the type parameters (type m) in trait coll2. +FooString's type parameters do not match type m's expected parameters: +type x (in class FooString) is covariant, but type x is declared contravariant +type x (in class FooString)'s bounds <: String are stricter than type x's declared bounds >: Nothing <: Any +object fcoll2wb extends coll2[FooString] // error + ^ +tcpoly_variance_enforce.scala:27: error: kinds of the type arguments (FooString) do not conform to the expected kinds of the type parameters (type m) in trait coll3. +FooString's type parameters do not match type m's expected parameters: +type x (in class FooString)'s bounds <: String are stricter than type x's declared bounds >: Nothing <: Any +object fcoll3wb extends coll3[FooString] // error + ^ +tcpoly_variance_enforce.scala:30: error: kinds of the type arguments (FooString,Int) do not conform to the expected kinds of the type parameters (type m,type y) in trait coll4. +FooString's type parameters do not match type m's expected parameters: +type x (in class FooString)'s bounds <: String are stricter than type x's declared bounds <: y +object fcoll4_1 extends coll4[FooString, Int] // error + ^ +tcpoly_variance_enforce.scala:31: error: kinds of the type arguments (FooString,Any) do not conform to the expected kinds of the type parameters (type m,type y) in trait coll4. +FooString's type parameters do not match type m's expected parameters: +type x (in class FooString)'s bounds <: String are stricter than type x's declared bounds <: y +object fcoll4_2 extends coll4[FooString, Any] // error + ^ +tcpoly_variance_enforce.scala:37: error: kinds of the type arguments (FooInvar) do not conform to the expected kinds of the type parameters (type m) in trait coll. +FooInvar's type parameters do not match type m's expected parameters: +type x (in class FooInvar) is invariant, but type x is declared covariant + def x: coll[FooInvar] = sys.error("foo") // error + ^ +tcpoly_variance_enforce.scala:38: error: kinds of the type arguments (FooContra) do not conform to the expected kinds of the type parameters (type m) in trait coll. +FooContra's type parameters do not match type m's expected parameters: +type x (in class FooContra) is contravariant, but type x is declared covariant + def y: coll[FooContra] = sys.error("foo") // error + ^ +11 errors found diff --git a/tests/untried/neg/tcpoly_variance_enforce.scala b/tests/untried/neg/tcpoly_variance_enforce.scala new file mode 100644 index 000000000..ddff0e9f9 --- /dev/null +++ b/tests/untried/neg/tcpoly_variance_enforce.scala @@ -0,0 +1,42 @@ +trait coll[m[+x]] + +trait coll2[m[-x]] + +trait coll3[m[x]] + +trait coll4[m[x <: y], y] + +class FooInvar[x] +class FooContra[-x] +class FooCov[+x] +class FooString[+x <: String] + +object fcollok extends coll[FooCov] +object fcollinv extends coll[FooInvar] // error +object fcollcon extends coll[FooContra] // error +object fcollwb extends coll[FooString] // error + +object fcoll2ok extends coll2[FooCov] // error +object fcoll2inv extends coll2[FooInvar] // error +object fcoll2con extends coll2[FooContra] +object fcoll2wb extends coll2[FooString] // error + +object fcoll3ok extends coll3[FooCov] +object fcoll3inv extends coll3[FooInvar] +object fcoll3con extends coll3[FooContra] +object fcoll3wb extends coll3[FooString] // error + +object fcoll4ok extends coll4[FooString, String] +object fcoll4_1 extends coll4[FooString, Int] // error +object fcoll4_2 extends coll4[FooString, Any] // error + + +object test { + var ok: coll[FooCov] = _ + + def x: coll[FooInvar] = sys.error("foo") // error + def y: coll[FooContra] = sys.error("foo") // error +} + + +// TODO: need test for rank N with N >: 2 diff --git a/tests/untried/neg/ticket513.check b/tests/untried/neg/ticket513.check new file mode 100644 index 000000000..899426926 --- /dev/null +++ b/tests/untried/neg/ticket513.check @@ -0,0 +1,4 @@ +ticket513.scala:6: error: type arguments [NotThatBound] do not conform to trait T's type parameter bounds [A <: Bound] +object Wrong extends Wrap[T[NotThatBound]] + ^ +one error found diff --git a/tests/untried/neg/ticket513.scala b/tests/untried/neg/ticket513.scala new file mode 100644 index 000000000..5aecc7a05 --- /dev/null +++ b/tests/untried/neg/ticket513.scala @@ -0,0 +1,6 @@ +class Bound +class NotThatBound +trait T[A <: Bound] +trait Wrap[X] + +object Wrong extends Wrap[T[NotThatBound]] diff --git a/tests/untried/neg/type-diagnostics.check b/tests/untried/neg/type-diagnostics.check new file mode 100644 index 000000000..c5e6dec3f --- /dev/null +++ b/tests/untried/neg/type-diagnostics.check @@ -0,0 +1,21 @@ +type-diagnostics.scala:4: error: type mismatch; + found : scala.collection.Set[String] + required: scala.collection.immutable.Set[String] + def f = Calculator("Hello", binding.keySet: collection.Set[String]) + ^ +type-diagnostics.scala:13: error: type mismatch; + found : List[a(in method f2)] + required: List[a(in method f1)] + y match { case y1: List[a] => f3(x, y1) } + ^ +type-diagnostics.scala:17: error: type mismatch; + found : String(in method f2) + required: java.lang.String + def f2[String](s: String) = strings(List(s)) + ^ +type-diagnostics.scala:21: error: missing parameter type for expanded function +The argument types of an anonymous function must be fully known. (SLS 8.5) +Expected type was: ? + val f = { case 5 => 10 } + ^ +four errors found diff --git a/tests/untried/neg/type-diagnostics.scala b/tests/untried/neg/type-diagnostics.scala new file mode 100644 index 000000000..366e6e7ac --- /dev/null +++ b/tests/untried/neg/type-diagnostics.scala @@ -0,0 +1,22 @@ +object SetVsSet { + case class Calculator[+T](name: String, parameters: Set[String]) + val binding = Map.empty[String, String] + def f = Calculator("Hello", binding.keySet: collection.Set[String]) +} + +object TParamConfusion { + def strings(xs: List[String]) = xs + + def f1[a <% Ordered[a]](x: List[a]) = { + def f2[b >: List[a] <% Ordered[b]](x: List[a], y: b): Int = { + def f3(xs: List[a], ys: List[a]) = -1 + y match { case y1: List[a] => f3(x, y1) } + } + } + + def f2[String](s: String) = strings(List(s)) +} + +object PartialInfer { + val f = { case 5 => 10 } +} diff --git a/tests/untried/neg/typeerror.check b/tests/untried/neg/typeerror.check new file mode 100644 index 000000000..f117e702f --- /dev/null +++ b/tests/untried/neg/typeerror.check @@ -0,0 +1,11 @@ +typeerror.scala:6: error: type mismatch; + found : Long(in method add) + required: scala.Long + else add2(x.head, y.head) :: add(x.tail, y.tail) + ^ +typeerror.scala:6: error: type mismatch; + found : Long(in method add) + required: scala.Long + else add2(x.head, y.head) :: add(x.tail, y.tail) + ^ +two errors found diff --git a/tests/untried/neg/typeerror.scala b/tests/untried/neg/typeerror.scala new file mode 100644 index 000000000..158ad1793 --- /dev/null +++ b/tests/untried/neg/typeerror.scala @@ -0,0 +1,7 @@ +object Test { + def add2(x:Long,y:Long): Long = x + y + + def add[Long](x: List[Long], y: List[Long]): List[Long] = + if (x.isEmpty || y.isEmpty) Nil + else add2(x.head, y.head) :: add(x.tail, y.tail) +} diff --git a/tests/untried/neg/unchecked-abstract.check b/tests/untried/neg/unchecked-abstract.check new file mode 100644 index 000000000..72019082a --- /dev/null +++ b/tests/untried/neg/unchecked-abstract.check @@ -0,0 +1,27 @@ +unchecked-abstract.scala:16: warning: abstract type H in type Contravariant[M.this.H] is unchecked since it is eliminated by erasure + /* warn */ println(x.isInstanceOf[Contravariant[H]]) + ^ +unchecked-abstract.scala:21: warning: abstract type H in type Contravariant[M.this.H] is unchecked since it is eliminated by erasure + /* warn */ println(x.isInstanceOf[Contravariant[H]]) + ^ +unchecked-abstract.scala:27: warning: abstract type T in type Invariant[M.this.T] is unchecked since it is eliminated by erasure + /* warn */ println(x.isInstanceOf[Invariant[T]]) + ^ +unchecked-abstract.scala:28: warning: abstract type L in type Invariant[M.this.L] is unchecked since it is eliminated by erasure + /* warn */ println(x.isInstanceOf[Invariant[L]]) + ^ +unchecked-abstract.scala:31: warning: abstract type H in type Invariant[M.this.H] is unchecked since it is eliminated by erasure + /* warn */ println(x.isInstanceOf[Invariant[H]]) + ^ +unchecked-abstract.scala:33: warning: abstract type L in type Invariant[M.this.L] is unchecked since it is eliminated by erasure + /* warn */ println(x.isInstanceOf[Invariant[L]]) + ^ +unchecked-abstract.scala:36: warning: abstract type H in type Invariant[M.this.H] is unchecked since it is eliminated by erasure + /* warn */ println(x.isInstanceOf[Invariant[H]]) + ^ +unchecked-abstract.scala:37: warning: abstract type T in type Invariant[M.this.T] is unchecked since it is eliminated by erasure + /* warn */ println(x.isInstanceOf[Invariant[T]]) + ^ +error: No warnings can be incurred under -Xfatal-warnings. +8 warnings found +one error found diff --git a/tests/untried/neg/unchecked-abstract.flags b/tests/untried/neg/unchecked-abstract.flags new file mode 100644 index 000000000..85d8eb2ba --- /dev/null +++ b/tests/untried/neg/unchecked-abstract.flags @@ -0,0 +1 @@ +-Xfatal-warnings diff --git a/tests/untried/neg/unchecked-abstract.scala b/tests/untried/neg/unchecked-abstract.scala new file mode 100644 index 000000000..23c8281ca --- /dev/null +++ b/tests/untried/neg/unchecked-abstract.scala @@ -0,0 +1,93 @@ +trait Contravariant[-X] +trait Invariant[X] +trait Covariant[+X] + +abstract class M { + type H + type L <: H + type T >: L <: H + + def h1(x: Contravariant[H]) = { + /* nowarn */ println(x.isInstanceOf[Contravariant[H]]) + /* nowarn */ println(x.isInstanceOf[Contravariant[T]]) + /* nowarn */ println(x.isInstanceOf[Contravariant[L]]) + } + def h2(x: Contravariant[T]) = { + /* warn */ println(x.isInstanceOf[Contravariant[H]]) + /* nowarn */ println(x.isInstanceOf[Contravariant[T]]) + /* nowarn */ println(x.isInstanceOf[Contravariant[L]]) + } + def h3(x: Contravariant[L]) = { + /* warn */ println(x.isInstanceOf[Contravariant[H]]) + /* warn */ println(x.isInstanceOf[Contravariant[T]]) + /* nowarn */ println(x.isInstanceOf[Contravariant[L]]) + } + def h4(x: Invariant[H]) = { + /* nowarn */ println(x.isInstanceOf[Invariant[H]]) + /* warn */ println(x.isInstanceOf[Invariant[T]]) + /* warn */ println(x.isInstanceOf[Invariant[L]]) + } + def h5(x: Invariant[T]) = { + /* warn */ println(x.isInstanceOf[Invariant[H]]) + /* nowarn */ println(x.isInstanceOf[Invariant[T]]) + /* warn */ println(x.isInstanceOf[Invariant[L]]) + } + def h6(x: Invariant[L]) = { + /* warn */ println(x.isInstanceOf[Invariant[H]]) + /* warn */ println(x.isInstanceOf[Invariant[T]]) + /* nowarn */ println(x.isInstanceOf[Invariant[L]]) + } + def h7(x: Covariant[H]) = { + /* nowarn */ println(x.isInstanceOf[Covariant[H]]) + /* warn */ println(x.isInstanceOf[Covariant[T]]) + /* warn */ println(x.isInstanceOf[Covariant[L]]) + } + def h8(x: Covariant[T]) = { + /* nowarn */ println(x.isInstanceOf[Covariant[H]]) + /* nowarn */ println(x.isInstanceOf[Covariant[T]]) + /* warn */ println(x.isInstanceOf[Covariant[L]]) + } + def h9(x: Covariant[L]) = { + /* nowarn */ println(x.isInstanceOf[Covariant[H]]) + /* nowarn */ println(x.isInstanceOf[Covariant[T]]) + /* nowarn */ println(x.isInstanceOf[Covariant[L]]) + } +} + +object Test extends M { + type H = Any + type T = Int + type L = Nothing + + val conh = new Contravariant[H] { } + val cont = new Contravariant[T] { } + val conl = new Contravariant[L] { } + + val invh = new Invariant[H] { } + val invt = new Invariant[T] { } + val invl = new Invariant[L] { } + + val covh = new Covariant[H] { } + val covt = new Covariant[T] { } + val covl = new Covariant[L] { } + + def main(args: Array[String]): Unit = { + h1(conh) + h2(conh) + h2(cont) + h3(conh) + h3(cont) + h3(conl) + + h4(invh) + h5(invt) + h6(invl) + + h7(covh) + h7(covt) + h7(covl) + h8(covt) + h8(covl) + h9(covl) + } +} diff --git a/tests/untried/neg/unchecked-impossible.check b/tests/untried/neg/unchecked-impossible.check new file mode 100644 index 000000000..d150a5a85 --- /dev/null +++ b/tests/untried/neg/unchecked-impossible.check @@ -0,0 +1,10 @@ +unchecked-impossible.scala:5: warning: fruitless type test: a value of type T2[Int,Int] cannot also be a Seq[A] + case Seq(x) => + ^ +unchecked-impossible.scala:5: error: pattern type is incompatible with expected type; + found : Seq[A] + required: T2[Int,Int] + case Seq(x) => + ^ +one warning found +one error found diff --git a/tests/untried/neg/unchecked-impossible.flags b/tests/untried/neg/unchecked-impossible.flags new file mode 100644 index 000000000..85d8eb2ba --- /dev/null +++ b/tests/untried/neg/unchecked-impossible.flags @@ -0,0 +1 @@ +-Xfatal-warnings diff --git a/tests/untried/neg/unchecked-impossible.scala b/tests/untried/neg/unchecked-impossible.scala new file mode 100644 index 000000000..985a2d0b0 --- /dev/null +++ b/tests/untried/neg/unchecked-impossible.scala @@ -0,0 +1,16 @@ +final case class T2[+A, +B](a: A, b: B) + +class A { + def f1 = T2(1, 2) match { + case Seq(x) => + case _ => + } + def f2 = T2(1, 2) match { + case _: T2[Int, Int] => /* nowarn */ + case _ => + } + def f3 = T2(1, 2) match { + case _: T2[_, Int] => /* nowarn */ + case _ => + } +} diff --git a/tests/untried/neg/unchecked-knowable.check b/tests/untried/neg/unchecked-knowable.check new file mode 100644 index 000000000..327a5f202 --- /dev/null +++ b/tests/untried/neg/unchecked-knowable.check @@ -0,0 +1,9 @@ +unchecked-knowable.scala:18: warning: fruitless type test: a value of type Bippy cannot also be a A1 + /* warn */ (new Bippy).isInstanceOf[A1] + ^ +unchecked-knowable.scala:19: warning: fruitless type test: a value of type Bippy cannot also be a B1 + /* warn */ (new Bippy).isInstanceOf[B1] + ^ +error: No warnings can be incurred under -Xfatal-warnings. +two warnings found +one error found diff --git a/tests/untried/neg/unchecked-knowable.flags b/tests/untried/neg/unchecked-knowable.flags new file mode 100644 index 000000000..85d8eb2ba --- /dev/null +++ b/tests/untried/neg/unchecked-knowable.flags @@ -0,0 +1 @@ +-Xfatal-warnings diff --git a/tests/untried/neg/unchecked-knowable.scala b/tests/untried/neg/unchecked-knowable.scala new file mode 100644 index 000000000..21624c4fb --- /dev/null +++ b/tests/untried/neg/unchecked-knowable.scala @@ -0,0 +1,22 @@ +/** Knowable - only final leaves */ +sealed abstract class A1 +sealed abstract class A2 extends A1 +final class A3 extends A1 +final class A4 extends A2 + +/** Unknowable */ +sealed abstract class B1 +sealed abstract class B2 extends B1 +sealed trait B2B extends B1 +final class B3 extends B1 +trait B4 extends B2 + +class Bippy +trait Dingus + +class A { + /* warn */ (new Bippy).isInstanceOf[A1] + /* warn */ (new Bippy).isInstanceOf[B1] + /* nowarn */ (null: Dingus).isInstanceOf[B1] + /* nowarn */ ((new Bippy): Any).isInstanceOf[A1] +} diff --git a/tests/untried/neg/unchecked-refinement.check b/tests/untried/neg/unchecked-refinement.check new file mode 100644 index 000000000..e85a51f44 --- /dev/null +++ b/tests/untried/neg/unchecked-refinement.check @@ -0,0 +1,15 @@ +unchecked-refinement.scala:17: warning: abstract type U in type pattern Foo[U,U,V] is unchecked since it is eliminated by erasure + /* warn */ case _: Foo[U, U, V] if b => () + ^ +unchecked-refinement.scala:19: warning: non-variable type argument Any in type pattern Foo[Any,U,V] is unchecked since it is eliminated by erasure + /* warn */ case _: Foo[Any, U, V] if b => () + ^ +unchecked-refinement.scala:23: warning: a pattern match on a refinement type is unchecked + /* nowarn - todo */ case x: AnyRef { def bippy: Int } if b => x.bippy // this could/should do an instance check and not warn + ^ +unchecked-refinement.scala:24: warning: a pattern match on a refinement type is unchecked + /* nowarn - todo */ case x: AnyRef { def size: Int } if b => x.size // this could/should do a static conformance test and not warn + ^ +error: No warnings can be incurred under -Xfatal-warnings. +four warnings found +one error found diff --git a/tests/untried/neg/unchecked-refinement.flags b/tests/untried/neg/unchecked-refinement.flags new file mode 100644 index 000000000..85d8eb2ba --- /dev/null +++ b/tests/untried/neg/unchecked-refinement.flags @@ -0,0 +1 @@ +-Xfatal-warnings diff --git a/tests/untried/neg/unchecked-refinement.scala b/tests/untried/neg/unchecked-refinement.scala new file mode 100644 index 000000000..79ed7f13c --- /dev/null +++ b/tests/untried/neg/unchecked-refinement.scala @@ -0,0 +1,27 @@ +// a.scala +// Thu Sep 27 09:42:16 PDT 2012 + +trait Bar[-T1, T2, +T3] { } +trait Foo[-T1, T2, +T3] extends Bar[T1, T2, T3] + +class A { + var b = true + + def f1(x: Foo[Int, Int, Int]) = x match { + /* nowarn */ case _: Foo[Nothing, Int, Any] => true + } + def f2[T, U, V](x: Foo[T, U, V]) = x match { + /* nowarn */ case _: Foo[Nothing, U, Any] => true + } + def f3[T, U, V](x: Foo[T, U, V]) = x match { + /* warn */ case _: Foo[U, U, V] if b => () + /* nowarn */ case _: Foo[Nothing, U, V] if b => () + /* warn */ case _: Foo[Any, U, V] if b => () + } + + def f4(xs: List[Int]) = xs match { + /* nowarn - todo */ case x: AnyRef { def bippy: Int } if b => x.bippy // this could/should do an instance check and not warn + /* nowarn - todo */ case x: AnyRef { def size: Int } if b => x.size // this could/should do a static conformance test and not warn + /* nowarn */ case x: ((AnyRef { def size: Int }) @unchecked) if b => x.size + } +} diff --git a/tests/untried/neg/unchecked-suppress.check b/tests/untried/neg/unchecked-suppress.check new file mode 100644 index 000000000..d3dc86014 --- /dev/null +++ b/tests/untried/neg/unchecked-suppress.check @@ -0,0 +1,12 @@ +unchecked-suppress.scala:4: warning: non-variable type argument Int in type pattern scala.collection.immutable.Set[Int] (the underlying of Set[Int]) is unchecked since it is eliminated by erasure + case xs: Set[Int] => xs.head // unchecked + ^ +unchecked-suppress.scala:5: warning: non-variable type argument String in type pattern scala.collection.immutable.Map[String @unchecked,String] (the underlying of Map[String @unchecked,String]) is unchecked since it is eliminated by erasure + case xs: Map[String @unchecked, String] => xs.head // one unchecked, one okay + ^ +unchecked-suppress.scala:7: warning: non-variable type argument Int in type pattern (Int, Int) => Int is unchecked since it is eliminated by erasure + case f: ((Int, Int) => Int) => // unchecked + ^ +error: No warnings can be incurred under -Xfatal-warnings. +three warnings found +one error found diff --git a/tests/untried/neg/unchecked-suppress.flags b/tests/untried/neg/unchecked-suppress.flags new file mode 100644 index 000000000..e8fb65d50 --- /dev/null +++ b/tests/untried/neg/unchecked-suppress.flags @@ -0,0 +1 @@ +-Xfatal-warnings
\ No newline at end of file diff --git a/tests/untried/neg/unchecked-suppress.scala b/tests/untried/neg/unchecked-suppress.scala new file mode 100644 index 000000000..7bd61a2a4 --- /dev/null +++ b/tests/untried/neg/unchecked-suppress.scala @@ -0,0 +1,10 @@ +class A { + def f(x: Any) = x match { + case xs: List[String @unchecked] => xs.head // okay + case xs: Set[Int] => xs.head // unchecked + case xs: Map[String @unchecked, String] => xs.head // one unchecked, one okay + case f: ((Int @unchecked) => (Int @unchecked)) => f(5) // okay + case f: ((Int, Int) => Int) => // unchecked + case _ => "" + } +} diff --git a/tests/untried/neg/unchecked.check b/tests/untried/neg/unchecked.check new file mode 100644 index 000000000..033cffb18 --- /dev/null +++ b/tests/untried/neg/unchecked.check @@ -0,0 +1,21 @@ +unchecked.scala:18: warning: non-variable type argument String in type pattern Iterable[String] (the underlying of Iterable[String]) is unchecked since it is eliminated by erasure + case xs: Iterable[String] => xs.head // unchecked + ^ +unchecked.scala:22: warning: non-variable type argument Any in type pattern scala.collection.immutable.Set[Any] (the underlying of Set[Any]) is unchecked since it is eliminated by erasure + case xs: Set[Any] => xs.head // unchecked + ^ +unchecked.scala:26: warning: non-variable type argument Any in type pattern scala.collection.immutable.Map[Any,Any] (the underlying of Map[Any,Any]) is unchecked since it is eliminated by erasure + case xs: Map[Any, Any] => xs.head // unchecked + ^ +unchecked.scala:35: warning: non-variable type argument List[Nothing] in type pattern Test.Contra[List[Nothing]] is unchecked since it is eliminated by erasure + case xs: Contra[List[Nothing]] => xs.head // unchecked + ^ +unchecked.scala:50: warning: non-variable type argument String in type pattern Test.Exp[String] is unchecked since it is eliminated by erasure + case ArrayApply(x: Exp[Array[T]], _, j: Exp[String]) => x // unchecked + ^ +unchecked.scala:55: warning: non-variable type argument Array[T] in type pattern Test.Exp[Array[T]] is unchecked since it is eliminated by erasure + case ArrayApply(x: Exp[Array[T]], _, _) => x // unchecked + ^ +error: No warnings can be incurred under -Xfatal-warnings. +6 warnings found +one error found diff --git a/tests/untried/neg/unchecked.flags b/tests/untried/neg/unchecked.flags new file mode 100644 index 000000000..464cc20ea --- /dev/null +++ b/tests/untried/neg/unchecked.flags @@ -0,0 +1 @@ +-Xfatal-warnings -unchecked
\ No newline at end of file diff --git a/tests/untried/neg/unchecked.scala b/tests/untried/neg/unchecked.scala new file mode 100644 index 000000000..e491b253b --- /dev/null +++ b/tests/untried/neg/unchecked.scala @@ -0,0 +1,74 @@ +import language.existentials + +object Test { + class Def[T] + class Exp[T] + class Contra[-T] { def head[T1 <: T] : T1 = ??? } + class Cov[+T] { } + + case class ArrayApply[T](x: Exp[Array[T]], i: Exp[Int], j: Exp[_]) extends Def[T] + + val IntArrayApply = ArrayApply[Int](new Exp[Array[Int]], new Exp[Int], new Exp[Int]) + + def f(x: Any) = x match { + case xs: Iterable[Any] => xs.head // okay + case _ => 0 + } + def f2(x: Any) = x match { + case xs: Iterable[String] => xs.head // unchecked + case _ => 0 + } + def f3(x: Any) = x match { + case xs: Set[Any] => xs.head // unchecked + case _ => 0 + } + def f4(x: Any) = x match { + case xs: Map[Any, Any] => xs.head // unchecked + case _ => 0 + } + + def cf1(x: Any) = x match { + case xs: Contra[Nothing] => xs.head // okay + case _ => 0 + } + def cf2(x: Any) = x match { + case xs: Contra[List[Nothing]] => xs.head // unchecked + case _ => 0 + } + + def co1(x: List[Cov[List[Int]]]) = x match { + case _: Seq[Cov[Seq[Any]]] => true // okay + case _ => false + } + + def g[T](x: Def[T]) = x match { + case ArrayApply(x: Exp[Array[T]], i: Exp[Int], _) => x // okay + case _ => 0 + } + + def g2[T](x: Def[T]) = x match { + case ArrayApply(x: Exp[Array[T]], _, j: Exp[String]) => x // unchecked + case _ => 0 + } + + def g3[T](x: Any) = x match { + case ArrayApply(x: Exp[Array[T]], _, _) => x // unchecked + case _ => 0 + } + + def g4 = IntArrayApply match { + case ArrayApply(x: Exp[Array[Int]], _, _) => x // okay + case _ => () + } + def g5[T](x: ArrayApply[Int]) = x match { + case ArrayApply(x: Exp[Array[Int]], _, _) => x // okay + case _ => 0 + } + + // Nope + // + // def g5 = IntArrayApply match { + // case ArrayApply(x: Exp[Array[String]], _, _) => x // nope + // case _ => () + // } +} diff --git a/tests/untried/neg/unchecked2.check b/tests/untried/neg/unchecked2.check new file mode 100644 index 000000000..a7b839185 --- /dev/null +++ b/tests/untried/neg/unchecked2.check @@ -0,0 +1,45 @@ +unchecked2.scala:4: warning: fruitless type test: a value of type Some[List[Int]] cannot also be a Option[List[String]] (but still might match its erasure) + /* warn */ Some(List(1)).isInstanceOf[Option[List[String]]] + ^ +unchecked2.scala:5: warning: non-variable type argument Option[_] in type Option[Option[_]] is unchecked since it is eliminated by erasure + /* warn */ Some(123).isInstanceOf[Option[Option[_]]] + ^ +unchecked2.scala:6: warning: fruitless type test: a value of type Some[Int] cannot also be a Option[String] (but still might match its erasure) + /* warn */ Some(123).isInstanceOf[Option[String]] + ^ +unchecked2.scala:7: warning: fruitless type test: a value of type Some[Int] cannot also be a Option[List[String]] (but still might match its erasure) + /* warn */ Some(123).isInstanceOf[Option[List[String]]] + ^ +unchecked2.scala:8: warning: fruitless type test: a value of type Some[Int] cannot also be a Option[List[Int => String]] (but still might match its erasure) + /* warn */ Some(123).isInstanceOf[Option[List[Int => String]]] + ^ +unchecked2.scala:9: warning: fruitless type test: a value of type Some[Int] cannot also be a Option[(String, Double)] (but still might match its erasure) + /* warn */ Some(123).isInstanceOf[Option[(String, Double)]] + ^ +unchecked2.scala:10: warning: fruitless type test: a value of type Some[Int] cannot also be a Option[String => Double] (but still might match its erasure) + /* warn */ Some(123).isInstanceOf[Option[String => Double]] + ^ +unchecked2.scala:14: warning: non-variable type argument List[String] in type Option[List[String]] is unchecked since it is eliminated by erasure + /* warn */ (Some(List(1)): Any).isInstanceOf[Option[List[String]]] + ^ +unchecked2.scala:15: warning: non-variable type argument Int in type Option[Int] is unchecked since it is eliminated by erasure + /* warn */ (Some(123): Any).isInstanceOf[Option[Int]] + ^ +unchecked2.scala:16: warning: non-variable type argument String in type Option[String] is unchecked since it is eliminated by erasure + /* warn */ (Some(123): Any).isInstanceOf[Option[String]] + ^ +unchecked2.scala:17: warning: non-variable type argument List[String] in type Option[List[String]] is unchecked since it is eliminated by erasure + /* warn */ (Some(123): Any).isInstanceOf[Option[List[String]]] + ^ +unchecked2.scala:18: warning: non-variable type argument List[Int => String] in type Option[List[Int => String]] is unchecked since it is eliminated by erasure + /* warn */ (Some(123): Any).isInstanceOf[Option[List[Int => String]]] + ^ +unchecked2.scala:19: warning: non-variable type argument (String, Double) in type Option[(String, Double)] is unchecked since it is eliminated by erasure + /* warn */ (Some(123): Any).isInstanceOf[Option[(String, Double)]] + ^ +unchecked2.scala:20: warning: non-variable type argument String => Double in type Option[String => Double] is unchecked since it is eliminated by erasure + /* warn */ (Some(123): Any).isInstanceOf[Option[String => Double]] + ^ +error: No warnings can be incurred under -Xfatal-warnings. +14 warnings found +one error found diff --git a/tests/untried/neg/unchecked2.flags b/tests/untried/neg/unchecked2.flags new file mode 100644 index 000000000..144ddac9d --- /dev/null +++ b/tests/untried/neg/unchecked2.flags @@ -0,0 +1 @@ +-unchecked -Xfatal-warnings diff --git a/tests/untried/neg/unchecked2.scala b/tests/untried/neg/unchecked2.scala new file mode 100644 index 000000000..616b05aad --- /dev/null +++ b/tests/untried/neg/unchecked2.scala @@ -0,0 +1,33 @@ +object Test { + // These warn because it can be statically shown they won't match. + + /* warn */ Some(List(1)).isInstanceOf[Option[List[String]]] + /* warn */ Some(123).isInstanceOf[Option[Option[_]]] + /* warn */ Some(123).isInstanceOf[Option[String]] + /* warn */ Some(123).isInstanceOf[Option[List[String]]] + /* warn */ Some(123).isInstanceOf[Option[List[Int => String]]] + /* warn */ Some(123).isInstanceOf[Option[(String, Double)]] + /* warn */ Some(123).isInstanceOf[Option[String => Double]] + + // These warn because you can't check at runtime. + + /* warn */ (Some(List(1)): Any).isInstanceOf[Option[List[String]]] + /* warn */ (Some(123): Any).isInstanceOf[Option[Int]] + /* warn */ (Some(123): Any).isInstanceOf[Option[String]] + /* warn */ (Some(123): Any).isInstanceOf[Option[List[String]]] + /* warn */ (Some(123): Any).isInstanceOf[Option[List[Int => String]]] + /* warn */ (Some(123): Any).isInstanceOf[Option[(String, Double)]] + /* warn */ (Some(123): Any).isInstanceOf[Option[String => Double]] + + // These don't warn. + + /* nowarn */ Some(List(1)).isInstanceOf[Option[List[Int]]] + /* nowarn */ Some(123).isInstanceOf[Option[Int]] + /* nowarn */ Some(123).isInstanceOf[Some[Int]] + /* nowarn */ Some(123).isInstanceOf[AnyRef] + + /* nowarn */ (Some(List(1)): Any).isInstanceOf[Option[_]] + /* nowarn */ (Some(123): Any).isInstanceOf[Option[_]] + /* nowarn */ (Some(123): Any).isInstanceOf[Some[_]] + /* nowarn */ (Some(123): Any).isInstanceOf[AnyRef] +} diff --git a/tests/untried/neg/unchecked3.check b/tests/untried/neg/unchecked3.check new file mode 100644 index 000000000..0a526050f --- /dev/null +++ b/tests/untried/neg/unchecked3.check @@ -0,0 +1,42 @@ +unchecked3.scala:24: warning: non-variable type argument Double in type pattern E1[Double] is unchecked since it is eliminated by erasure + /* warn */ def peerTypes2(x: B1[Int]) = x match { case _: E1[Double] => true } + ^ +unchecked3.scala:25: warning: non-variable type argument Double in type pattern F1[Double] is unchecked since it is eliminated by erasure + /* warn */ def peerTypes3(x: B1[_]) = x match { case _: F1[Double] => true } + ^ +unchecked3.scala:28: warning: non-variable type argument Int in type pattern A2[Int] is unchecked since it is eliminated by erasure + /* warn */ def twotypes1[T](x: B2[T, Int]) = x match { case _: A2[Int] => true } + ^ +unchecked3.scala:32: warning: non-variable type argument Int in type pattern B2[_,Int] is unchecked since it is eliminated by erasure + /* warn */ def twotypes5[T](x: A2[T]) = x match { case _: B2[_, Int] => true } + ^ +unchecked3.scala:40: warning: non-variable type argument String in type pattern Array[List[String]] is unchecked since it is eliminated by erasure + /* warn */ case _: Array[List[String]] => () + ^ +unchecked3.scala:43: warning: non-variable type argument String in type pattern Array[Array[List[String]]] is unchecked since it is eliminated by erasure + /* warn */ case _: Array[Array[List[String]]] => () + ^ +unchecked3.scala:50: warning: non-variable type argument String in type pattern Array[List[String]] is unchecked since it is eliminated by erasure + /* warn */ case _: Array[List[String]] => () + ^ +unchecked3.scala:53: warning: non-variable type argument String in type pattern Array[Array[List[String]]] is unchecked since it is eliminated by erasure + /* warn */ case _: Array[Array[List[String]]] => () + ^ +unchecked3.scala:60: warning: non-variable type argument String in type pattern Array[List[String]] is unchecked since it is eliminated by erasure + /* warn */ case _: Array[List[String]] => () + ^ +unchecked3.scala:62: warning: non-variable type argument Array[String] in type pattern Array[List[Array[String]]] is unchecked since it is eliminated by erasure + /* warn */ case _: Array[List[Array[String]]] => () + ^ +unchecked3.scala:63: warning: non-variable type argument String in type pattern Array[Array[List[String]]] is unchecked since it is eliminated by erasure + /* warn */ case _: Array[Array[List[String]]] => () + ^ +unchecked3.scala:75: warning: abstract type A in type pattern scala.collection.immutable.Set[Q.this.A] (the underlying of Set[Q.this.A]) is unchecked since it is eliminated by erasure + /* warn */ case xs: Set[A] => xs.head + ^ +unchecked3.scala:62: warning: unreachable code + /* warn */ case _: Array[List[Array[String]]] => () + ^ +error: No warnings can be incurred under -Xfatal-warnings. +13 warnings found +one error found diff --git a/tests/untried/neg/unchecked3.flags b/tests/untried/neg/unchecked3.flags new file mode 100644 index 000000000..85d8eb2ba --- /dev/null +++ b/tests/untried/neg/unchecked3.flags @@ -0,0 +1 @@ +-Xfatal-warnings diff --git a/tests/untried/neg/unchecked3.scala b/tests/untried/neg/unchecked3.scala new file mode 100644 index 000000000..7b8c13e8f --- /dev/null +++ b/tests/untried/neg/unchecked3.scala @@ -0,0 +1,83 @@ +sealed trait A2[T1] +final class B2[T1, T2] extends A2[T1] + +sealed trait A[T] +final class B[T] extends A[T] + +sealed trait A1[T] +trait B1[T] extends A1[T] +trait C1[T] extends A1[T] +trait D1[T] extends A1[Int] +trait E1[T] extends B1[Int] +trait F1[T] extends B1[T] + +object MiscUnchecked { + /* nowarn */ def knownType1(x: A[Int]) = x match { case _: B[Int] if true => 1 } + /* nowarn */ def knownType2(x: B[Int]) = x match { case _: A[Int] if true => 1 } + /* nowarn */ def tparamLeakage1(x: Any) = x match { case Array() => 1 } + /* nowarn */ def tparamLeakage2(x: Any) = x match { case List() => 1 } + + // E1[Double] implies B1[Int], but B1[Int] does not imply E1[Double], even if .isInstanceOf[E1[_]] + // F1[Int] implies B1[Int], and B1[Int] implies F1[Int] + + /* nowarn */ def peerTypes1(x: B1[Int]) = x match { case _: C1[Int] => true } + /* warn */ def peerTypes2(x: B1[Int]) = x match { case _: E1[Double] => true } + /* warn */ def peerTypes3(x: B1[_]) = x match { case _: F1[Double] => true } + /* nowarn */ def peerTypes4(x: B1[Int]) = x match { case _: F1[Int] => true } + + /* warn */ def twotypes1[T](x: B2[T, Int]) = x match { case _: A2[Int] => true } + /* nowarn */ def twotypes2[T](x: B2[Int, T]) = x match { case _: A2[Int] => true } + /* nowarn */ def twotypes3(x: A2[Int]) = x match { case _: B2[Int, _] => true } + /* nowarn */ def twotypes4[T](x: A2[T]) = x match { case _: B2[T, _] => true } + /* warn */ def twotypes5[T](x: A2[T]) = x match { case _: B2[_, Int] => true } +} + +object Arrays { + def f1(x: Any) = x match { + /* nowarn */ case _: Array[Int] => () + /* nowarn */ case _: Array[Boolean] => () + /* nowarn */ case _: Array[String] => () + /* warn */ case _: Array[List[String]] => () + /* nowarn */ case _: Array[Array[String]] => () + /* nowarn */ case _: Array[Array[Array[String]]] => () + /* warn */ case _: Array[Array[List[String]]] => () + } + + def f2(x: Array[_]) = x match { + /* nowarn */ case _: Array[Int] => () + /* nowarn */ case _: Array[Boolean] => () + /* nowarn */ case _: Array[String] => () + /* warn */ case _: Array[List[String]] => () + /* nowarn */ case _: Array[Array[String]] => () + /* nowarn */ case _: Array[Array[Array[String]]] => () + /* warn */ case _: Array[Array[List[String]]] => () + } + + def f3[T](x: Array[T]) = x match { + /* nowarn */ case _: Array[Int] => () + /* nowarn */ case _: Array[Boolean] => () + /* nowarn */ case _: Array[String] => () + /* warn */ case _: Array[List[String]] => () + /* nowarn */ case _: Array[Array[String]] => () + /* warn */ case _: Array[List[Array[String]]] => () + /* warn */ case _: Array[Array[List[String]]] => () + } +} + +object Matching { + class Q { + type A + type B <: A + + def f(xs: Traversable[B]) = xs match { + /* nowarn */ case xs: List[A] => xs.head + /* nowarn */ case xs: Seq[B] => xs.head + /* warn */ case xs: Set[A] => xs.head + } + def f2[T <: B](xs: Traversable[T]) = xs match { + /* nowarn */ case xs: List[B with T] => xs.head + /* nowarn */ case xs: Seq[A] => xs.head + /* nowarn */ case xs: Set[T] => xs.head + } + } +} diff --git a/tests/untried/neg/unicode-unterminated-quote.check b/tests/untried/neg/unicode-unterminated-quote.check new file mode 100644 index 000000000..166488710 --- /dev/null +++ b/tests/untried/neg/unicode-unterminated-quote.check @@ -0,0 +1,7 @@ +unicode-unterminated-quote.scala:2: error: unclosed string literal + val x = \u0022 + ^ +unicode-unterminated-quote.scala:2: error: '}' expected but eof found. + val x = \u0022 + ^ +two errors found diff --git a/tests/untried/neg/unicode-unterminated-quote.scala b/tests/untried/neg/unicode-unterminated-quote.scala new file mode 100644 index 000000000..bb6eab667 --- /dev/null +++ b/tests/untried/neg/unicode-unterminated-quote.scala @@ -0,0 +1,2 @@ +class A { + val x = \u0022
\ No newline at end of file diff --git a/tests/untried/neg/unit-returns-value.check b/tests/untried/neg/unit-returns-value.check new file mode 100644 index 000000000..f30a506eb --- /dev/null +++ b/tests/untried/neg/unit-returns-value.check @@ -0,0 +1,15 @@ +unit-returns-value.scala:4: warning: a pure expression does nothing in statement position; you may be omitting necessary parentheses + if (b) return 5 + ^ +unit-returns-value.scala:4: warning: enclosing method f has result type Unit: return value discarded + if (b) return 5 + ^ +unit-returns-value.scala:22: warning: a pure expression does nothing in statement position; you may be omitting necessary parentheses + i1 // warn + ^ +unit-returns-value.scala:23: warning: a pure expression does nothing in statement position; you may be omitting necessary parentheses + i2 // warn + ^ +error: No warnings can be incurred under -Xfatal-warnings. +four warnings found +one error found diff --git a/tests/untried/neg/unit-returns-value.flags b/tests/untried/neg/unit-returns-value.flags new file mode 100644 index 000000000..e8fb65d50 --- /dev/null +++ b/tests/untried/neg/unit-returns-value.flags @@ -0,0 +1 @@ +-Xfatal-warnings
\ No newline at end of file diff --git a/tests/untried/neg/unit-returns-value.scala b/tests/untried/neg/unit-returns-value.scala new file mode 100644 index 000000000..1c125f0da --- /dev/null +++ b/tests/untried/neg/unit-returns-value.scala @@ -0,0 +1,32 @@ +object Test { + def f: Unit = { + var b = false + if (b) return 5 + } + + // no warning + def g: Unit = { + return println("hello") + } +} + +class UnusedValues { + var i1 = 2 + val i2 = 2 + lazy val i3 = 2 + object i4 { } + def i5 = 2 + final def i6 = 2 + + def x = { + i1 // warn + i2 // warn + i3 // no warn + i4 // no warn + i5 // no warn + i6 // could warn someday, if i6 returned 2.type instead of Int + + 5 + } +} + diff --git a/tests/untried/neg/unit2anyref.check b/tests/untried/neg/unit2anyref.check new file mode 100644 index 000000000..6d1146170 --- /dev/null +++ b/tests/untried/neg/unit2anyref.check @@ -0,0 +1,6 @@ +unit2anyref.scala:2: error: type mismatch; + found : Unit + required: AnyRef + val x: AnyRef = () // this should not succeed. + ^ +one error found diff --git a/tests/untried/neg/unit2anyref.scala b/tests/untried/neg/unit2anyref.scala new file mode 100644 index 000000000..1e9cdbf78 --- /dev/null +++ b/tests/untried/neg/unit2anyref.scala @@ -0,0 +1,3 @@ +object Test { + val x: AnyRef = () // this should not succeed. +} diff --git a/tests/untried/neg/unreachablechar.check b/tests/untried/neg/unreachablechar.check new file mode 100644 index 000000000..a621196c5 --- /dev/null +++ b/tests/untried/neg/unreachablechar.check @@ -0,0 +1,12 @@ +unreachablechar.scala:4: warning: patterns after a variable pattern cannot match (SLS 8.1.1) + case _ => println("stuff"); + ^ +unreachablechar.scala:5: warning: unreachable code due to variable pattern on line 4 + case 'f' => println("not stuff?"); + ^ +unreachablechar.scala:5: warning: unreachable code + case 'f' => println("not stuff?"); + ^ +error: No warnings can be incurred under -Xfatal-warnings. +three warnings found +one error found diff --git a/tests/untried/neg/unreachablechar.flags b/tests/untried/neg/unreachablechar.flags new file mode 100644 index 000000000..85d8eb2ba --- /dev/null +++ b/tests/untried/neg/unreachablechar.flags @@ -0,0 +1 @@ +-Xfatal-warnings diff --git a/tests/untried/neg/unreachablechar.scala b/tests/untried/neg/unreachablechar.scala new file mode 100644 index 000000000..ed04c5cd3 --- /dev/null +++ b/tests/untried/neg/unreachablechar.scala @@ -0,0 +1,8 @@ +object Foo extends App{ + 'f' match { + case 'o'|'c'|'b' => println("Oooo"); + case _ => println("stuff"); + case 'f' => println("not stuff?"); + } + +} diff --git a/tests/untried/neg/valueclasses-doubledefs.check b/tests/untried/neg/valueclasses-doubledefs.check new file mode 100644 index 000000000..ec513aca6 --- /dev/null +++ b/tests/untried/neg/valueclasses-doubledefs.check @@ -0,0 +1,7 @@ +valueclasses-doubledefs.scala:5: error: double definition: +def apply(x: Double): String at line 4 and +def apply(x: Meter): String at line 5 +have same type after erasure: (x: Double)String + def apply(x: Meter) = x.toString + ^ +one error found diff --git a/tests/untried/neg/valueclasses-doubledefs.scala b/tests/untried/neg/valueclasses-doubledefs.scala new file mode 100644 index 000000000..87bcf8fee --- /dev/null +++ b/tests/untried/neg/valueclasses-doubledefs.scala @@ -0,0 +1,6 @@ +class Meter(val x: Double) extends AnyVal + +class Foo { + def apply(x: Double) = x.toString + def apply(x: Meter) = x.toString +} diff --git a/tests/untried/neg/valueclasses-impl-restrictions.check b/tests/untried/neg/valueclasses-impl-restrictions.check new file mode 100644 index 000000000..0af9173f7 --- /dev/null +++ b/tests/untried/neg/valueclasses-impl-restrictions.check @@ -0,0 +1,13 @@ +valueclasses-impl-restrictions.scala:3: error: implementation restriction: nested object is not allowed in value class +This restriction is planned to be removed in subsequent releases. + object X + ^ +valueclasses-impl-restrictions.scala:9: error: implementation restriction: nested trait is not allowed in value class +This restriction is planned to be removed in subsequent releases. + trait I2 { + ^ +valueclasses-impl-restrictions.scala:23: error: implementation restriction: nested class is not allowed in value class +This restriction is planned to be removed in subsequent releases. + private[this] class I2(val q: String) + ^ +three errors found diff --git a/tests/untried/neg/valueclasses-impl-restrictions.scala b/tests/untried/neg/valueclasses-impl-restrictions.scala new file mode 100644 index 000000000..f0577a94a --- /dev/null +++ b/tests/untried/neg/valueclasses-impl-restrictions.scala @@ -0,0 +1,29 @@ +class M(val t: Int) extends AnyVal { + def lazyString = { + object X + () => X + } +} + +class X1(val s: String) extends AnyVal { + trait I2 { + val q: String + def z = s + q + } + + def y(x: X1) = { + val i2 = new I2 { val q = x.s } // allowed as of SI-7571 + i2.z + + { case x => x } : PartialFunction[Int, Int] // allowed + } +} + +class X2(val s: String) extends AnyVal { + private[this] class I2(val q: String) + + def y(i: Int) = { + val i2 = new I2(i.toString) + i2.q + s + } +} diff --git a/tests/untried/neg/valueclasses-pavlov.check b/tests/untried/neg/valueclasses-pavlov.check new file mode 100644 index 000000000..17102a0c6 --- /dev/null +++ b/tests/untried/neg/valueclasses-pavlov.check @@ -0,0 +1,7 @@ +valueclasses-pavlov.scala:8: error: double definition: +def foo(x: String): String at line 7 and +def foo(x: Box2): String at line 8 +have same type after erasure: (x: String)String + def foo(x: Box2) = "foo(Box2): ok" + ^ +one error found diff --git a/tests/untried/neg/valueclasses-pavlov.scala b/tests/untried/neg/valueclasses-pavlov.scala new file mode 100644 index 000000000..d0c1ed59b --- /dev/null +++ b/tests/untried/neg/valueclasses-pavlov.scala @@ -0,0 +1,23 @@ +trait Foo[T <: AnyVal] extends Any { + def foo(x: String): String + def foo(x: T): String +} + +class Box1(val value: String) extends AnyVal with Foo[Box2] { + def foo(x: String) = "foo(String): ok" + def foo(x: Box2) = "foo(Box2): ok" +} + +class Box2(val value: String) extends AnyVal + + +object test2a { + + def main(args: Array[String]): Unit = { + val b1 = new Box1(null) + val b2 = new Box2(null) + val f: Foo[Box2] = b1 + println(f.foo("")) + println(f.foo(b2)) + } +} diff --git a/tests/untried/neg/valueclasses.check b/tests/untried/neg/valueclasses.check new file mode 100644 index 000000000..35d38aae6 --- /dev/null +++ b/tests/untried/neg/valueclasses.check @@ -0,0 +1,46 @@ +valueclasses.scala:3: error: only classes (not traits) are allowed to extend AnyVal +trait T extends AnyVal // fail + ^ +valueclasses.scala:6: error: value class may not be a member of another class + class Bar(x: Int) extends AnyVal // fail + ^ +valueclasses.scala:6: error: value class parameter must be a val and not be private[this] + class Bar(x: Int) extends AnyVal // fail + ^ +valueclasses.scala:8: error: value class may not be a local class + class Baz(x: Int) extends AnyVal // fail + ^ +valueclasses.scala:8: error: value class parameter must be a val and not be private[this] + class Baz(x: Int) extends AnyVal // fail + ^ +valueclasses.scala:12: error: value class needs to have exactly one val parameter +class V1 extends AnyVal // fail + ^ +valueclasses.scala:19: error: value class needs to have exactly one val parameter +class V6(val x: Int, val y: String) extends AnyVal // fail + ^ +valueclasses.scala:20: error: value class needs to have exactly one val parameter +class V7(val x: Int, private[this] val y: String) extends AnyVal // fail + ^ +valueclasses.scala:21: error: value class parameter must not be a var +class V8(var x: Int) extends AnyVal // fail + ^ +valueclasses.scala:24: error: field definition is not allowed in value class + val y = x // fail + ^ +valueclasses.scala:29: error: type parameter of value class may not be specialized +class V12[@specialized T, U](val x: (T, U)) extends AnyVal // fail + ^ +valueclasses.scala:31: error: value class parameter must be a val and not be private[this] +class V13(x: Int) extends AnyVal // fail + ^ +valueclasses.scala:33: error: value class parameter must be a val and not be private[this] +class V14(private[this] val x: Int) extends AnyVal // fail + ^ +valueclasses.scala:34: error: value class parameter must not be protected[this] +class V15(protected[this] val x: Int) extends AnyVal // fail + ^ +valueclasses.scala:36: error: value class needs to have exactly one val parameter +class V16()(val a: Any) extends AnyVal // fail, was allowed 2.10.x + ^ +15 errors found diff --git a/tests/untried/neg/valueclasses.scala b/tests/untried/neg/valueclasses.scala new file mode 100644 index 000000000..7ccf9680f --- /dev/null +++ b/tests/untried/neg/valueclasses.scala @@ -0,0 +1,36 @@ +package test + +trait T extends AnyVal // fail + +class Foo { + class Bar(x: Int) extends AnyVal // fail + def foo(): Unit = { + class Baz(x: Int) extends AnyVal // fail + } +} + +class V1 extends AnyVal // fail + +class V2(private[test] val x: Int) extends AnyVal // okay, wasn't allowed in 2.10.x +class V3(protected[test] val x: Int) extends AnyVal // okay, wasn't allowed in 2.10.x +class V4(protected val x: Int) extends AnyVal // okay, wasn't allowed in 2.10.x +class V5(private val x: Int) extends AnyVal // okay, wasn't allowed in 2.10.x + +class V6(val x: Int, val y: String) extends AnyVal // fail +class V7(val x: Int, private[this] val y: String) extends AnyVal // fail +class V8(var x: Int) extends AnyVal // fail + +class V9(val x: Int) extends AnyVal { + val y = x // fail +} + +class V10[T](val x: T) extends AnyVal // ok +class V11[T](val x: List[T]) extends AnyVal // ok +class V12[@specialized T, U](val x: (T, U)) extends AnyVal // fail + +class V13(x: Int) extends AnyVal // fail + +class V14(private[this] val x: Int) extends AnyVal // fail +class V15(protected[this] val x: Int) extends AnyVal // fail + +class V16()(val a: Any) extends AnyVal // fail, was allowed 2.10.x diff --git a/tests/untried/neg/varargs.check b/tests/untried/neg/varargs.check new file mode 100644 index 000000000..424e24403 --- /dev/null +++ b/tests/untried/neg/varargs.check @@ -0,0 +1,10 @@ +varargs.scala:16: error: A method with a varargs annotation produces a forwarder method with the same signature (a: Int, b: Array[String])Int as an existing method. + @varargs def v1(a: Int, b: String*) = a + b.length + ^ +varargs.scala:19: error: A method without repeated parameters cannot be annotated with the `varargs` annotation. + @varargs def nov(a: Int) = 0 + ^ +varargs.scala:21: error: A method with a varargs annotation produces a forwarder method with the same signature (a: Int, b: Array[String])Int as an existing method. + @varargs def v2(a: Int, b: String*) = 0 + ^ +three errors found diff --git a/tests/untried/neg/varargs.scala b/tests/untried/neg/varargs.scala new file mode 100644 index 000000000..ce7f0d71f --- /dev/null +++ b/tests/untried/neg/varargs.scala @@ -0,0 +1,27 @@ + + + +import annotation.varargs + + + +// Failing varargs annotation +object Test { + + trait A { + def v1(a: Int, b: Array[String]) = a + } + + trait B extends A { + @varargs def v1(a: Int, b: String*) = a + b.length + } + + @varargs def nov(a: Int) = 0 + @varargs def v(a: Int, b: String*) = a + b.length + @varargs def v2(a: Int, b: String*) = 0 + def v2(a: Int, b: Array[String]) = 0 + + def main(args: Array[String]): Unit = { + } + +} diff --git a/tests/untried/neg/variances-refinement.check b/tests/untried/neg/variances-refinement.check new file mode 100644 index 000000000..2bed3ffa6 --- /dev/null +++ b/tests/untried/neg/variances-refinement.check @@ -0,0 +1,22 @@ +variances-refinement.scala:17: error: contravariant type A occurs in covariant position in type ()AnyRef{def f0(x: A): A} of method fail1 + def fail1() = { object O { def f0(x: A): A = ??? } ; O } // fail + ^ +variances-refinement.scala:18: error: covariant type B occurs in contravariant position in type ()AnyRef{def f0(x: B): A} of method fail2 + def fail2() = { object O { def f0(x: B): A = ??? } ; O } // fail + ^ +variances-refinement.scala:19: error: covariant type B occurs in contravariant position in type ()AnyRef{def f0(x: B): B} of method fail3 + def fail3() = { object O { def f0(x: B): B = ??? } ; O } // fail + ^ +variances-refinement.scala:20: error: covariant type B occurs in contravariant position in type ()AnyRef{def f0(x: B): C} of method fail4 + def fail4() = { object O { def f0(x: B): C = ??? } ; O } // fail + ^ +variances-refinement.scala:21: error: contravariant type A occurs in covariant position in type ()AnyRef{def f0(x: C): A} of method fail5 + def fail5() = { object O { def f0(x: C): A = ??? } ; O } // fail + ^ +variances-refinement.scala:23: error: contravariant type A occurs in covariant position in type ()O1.type forSome { val O1: AnyRef with O0; type O0 <: AnyRef{def f0(x: A): A; def f1(x: A): B; def f2(x: A): C} } of method fail6 + def fail6() = { // fail + ^ +variances-refinement.scala:32: error: contravariant type A occurs in covariant position in type ()AnyRef{def f0(x: A): A; def f1(x: A): B; def f2(x: A): C} of method fail7 + def fail7() = { // fail + ^ +7 errors found diff --git a/tests/untried/neg/variances-refinement.scala b/tests/untried/neg/variances-refinement.scala new file mode 100644 index 000000000..6bfd336ce --- /dev/null +++ b/tests/untried/neg/variances-refinement.scala @@ -0,0 +1,40 @@ +trait Trait[-A, +B, C] { + def ok() = { // ok + object O { + private def f0(x: A): A = ??? + def f1(x: A): B = ??? + def f2(x: A): C = ??? + private def f3(x: B): A = ??? + private def f4(x: B): B = ??? + private def f5(x: B): C = ??? + private def f6(x: C): A = ??? + def f7(x: C): B = ??? + def f8(x: C): C = ??? + } + O + } + + def fail1() = { object O { def f0(x: A): A = ??? } ; O } // fail + def fail2() = { object O { def f0(x: B): A = ??? } ; O } // fail + def fail3() = { object O { def f0(x: B): B = ??? } ; O } // fail + def fail4() = { object O { def f0(x: B): C = ??? } ; O } // fail + def fail5() = { object O { def f0(x: C): A = ??? } ; O } // fail + + def fail6() = { // fail + trait O0 { + def f0(x: A): A = ??? + def f1(x: A): B = ??? + def f2(x: A): C = ??? + } + object O1 extends O0 + O1 + } + def fail7() = { // fail + trait O0 { + def f0(x: A): A = ??? + def f1(x: A): B = ??? + def f2(x: A): C = ??? + } + new O0 { } + } +} diff --git a/tests/untried/neg/variances.check b/tests/untried/neg/variances.check new file mode 100644 index 000000000..cb1a60a63 --- /dev/null +++ b/tests/untried/neg/variances.check @@ -0,0 +1,25 @@ +variances.scala:4: error: covariant type A occurs in contravariant position in type test.Vector[A] of value x + def append(x: Vector[A]): Vector[A] + ^ +variances.scala:75: error: covariant type A occurs in contravariant position in type => A => A of value m + val m: A => A + ^ +variances.scala:18: error: covariant type A occurs in contravariant position in type A of value a + private def setA3(a : A) = this.a = a + ^ +variances.scala:19: error: covariant type A occurs in contravariant position in type A of value a + protected def setA4(a : A) = this.a = a + ^ +variances.scala:21: error: covariant type A occurs in invariant position in supertype test.C[A] of object Baz + object Baz extends C[A] + ^ +variances.scala:74: error: covariant type A occurs in contravariant position in type => test.Covariant.T[A]{val m: A => A} of value x + val x: T[A] { + ^ +variances.scala:89: error: covariant type T occurs in invariant position in type T of type A + type A = T + ^ +variances.scala:90: error: covariant type T occurs in contravariant position in type => test.TestAlias.B[C.this.A] of method foo + def foo: B[A] + ^ +8 errors found diff --git a/tests/untried/neg/variances.scala b/tests/untried/neg/variances.scala new file mode 100644 index 000000000..01c95be04 --- /dev/null +++ b/tests/untried/neg/variances.scala @@ -0,0 +1,92 @@ +package test + +trait Vector[+A] { + def append(x: Vector[A]): Vector[A] + private[this] def append3(x: Vector[A]): Vector[A] = append(x) +} + +class C[T] + +object Covariant { + class Foo[+A] { + private[this] var a : A = _ + def getA : A = a + // allowed + private[this] def setA1(a : A) = this.a = a + protected[this] def setA2(a : A) = this.a = a + // forbidden + private def setA3(a : A) = this.a = a + protected def setA4(a : A) = this.a = a + + object Baz extends C[A] + trait Convert[B] { + def b2a(b : B) : A + def doit1(b : B) = setA1(b2a(b)) + def doit2(b : B) = setA2(b2a(b)) + def doit3(b : B) = setA3(b2a(b)) + def doit4(b : B) = setA4(b2a(b)) + } + } + class Foo2[+A] { + private[this] var a : A = _ + def getA : A = a + private[this] def setA(a : A) = this.a = a + + { + trait Convert[B] { + def b2a(b : B) : A + def doit(b : B) = setA(b2a(b)) + } + println("") + } + } + class Foo3[+A] { + private[this] var a : A = _ + def getA : A = a + private[this] def setA(a : A) = this.a = a + + private[this] trait Convert[B] { + def b2a(b : B) : A + def doit(b : B) = setA(b2a(b)) + } + } + abstract class AbstractTest { + val a : Foo[AnyRef] + val c = new a.Convert[Int] { + def b2a(b : Int) : AnyRef = "hello" + } + val b : Int = 42 + } + class Test extends AbstractTest { + val a : Foo[java.lang.Character] = new Foo[java.lang.Character] + } + def main(args : Array[String]): Unit = { + val test = new Test + test.c.doit1(test.b) + test.c.doit2(test.b) + test.c.doit3(test.b) + test.c.doit4(test.b) + val x : java.lang.Character = test.a.getA + Console.println("XXX " + x) + } + + abstract class T[+A] { + val x: T[A] { + val m: A => A + } + } + object ST extends T[String] { + val x: T[String] { val m: String => String } = ST + val m: String => String = (_.substring(1)) + } + val t: T[Any] = ST + t.x.m(new Object) +} + +object TestAlias { + class B[-T] + trait C[+T] { + type A = T + def foo: B[A] + } +} diff --git a/tests/untried/neg/variances2.check b/tests/untried/neg/variances2.check new file mode 100644 index 000000000..433cc125a --- /dev/null +++ b/tests/untried/neg/variances2.check @@ -0,0 +1,229 @@ +variances2.scala:9: error: covariant type B occurs in contravariant position in type B of value x + def f1(x: B): Unit = () + ^ +variances2.scala:12: error: covariant type E occurs in contravariant position in type E of value x + def f4(x: E): Unit = () + ^ +variances2.scala:15: error: contravariant type A occurs in covariant position in type ()A of method f6 + def f6(): A = ??? + ^ +variances2.scala:18: error: contravariant type D occurs in covariant position in type ()D of method f9 + def f9(): D = ??? + ^ +variances2.scala:22: error: contravariant type A occurs in covariant position in type A => A of value f + def f12(f: A => A): Unit = () + ^ +variances2.scala:23: error: contravariant type A occurs in covariant position in type A => B of value f + def f13(f: A => B): Unit = () + ^ +variances2.scala:24: error: contravariant type A occurs in covariant position in type A => C of value f + def f14(f: A => C): Unit = () + ^ +variances2.scala:25: error: contravariant type A occurs in covariant position in type A => D of value f + def f15(f: A => D): Unit = () + ^ +variances2.scala:26: error: contravariant type A occurs in covariant position in type A => E of value f + def f16(f: A => E): Unit = () + ^ +variances2.scala:27: error: contravariant type A occurs in covariant position in type A => F of value f + def f17(f: A => F): Unit = () + ^ +variances2.scala:29: error: covariant type B occurs in contravariant position in type B => B of value f + def f19(f: B => B): Unit = () + ^ +variances2.scala:32: error: covariant type E occurs in contravariant position in type B => E of value f + def f22(f: B => E): Unit = () + ^ +variances2.scala:35: error: covariant type B occurs in contravariant position in type C => B of value f + def f25(f: C => B): Unit = () + ^ +variances2.scala:38: error: covariant type E occurs in contravariant position in type C => E of value f + def f28(f: C => E): Unit = () + ^ +variances2.scala:40: error: contravariant type D occurs in covariant position in type D => A of value f + def f30(f: D => A): Unit = () + ^ +variances2.scala:41: error: contravariant type D occurs in covariant position in type D => B of value f + def f31(f: D => B): Unit = () + ^ +variances2.scala:42: error: contravariant type D occurs in covariant position in type D => C of value f + def f32(f: D => C): Unit = () + ^ +variances2.scala:43: error: contravariant type D occurs in covariant position in type D => D of value f + def f33(f: D => D): Unit = () + ^ +variances2.scala:44: error: contravariant type D occurs in covariant position in type D => E of value f + def f34(f: D => E): Unit = () + ^ +variances2.scala:45: error: contravariant type D occurs in covariant position in type D => F of value f + def f35(f: D => F): Unit = () + ^ +variances2.scala:47: error: covariant type B occurs in contravariant position in type E => B of value f + def f37(f: E => B): Unit = () + ^ +variances2.scala:50: error: covariant type E occurs in contravariant position in type E => E of value f + def f40(f: E => E): Unit = () + ^ +variances2.scala:53: error: covariant type B occurs in contravariant position in type F => B of value f + def f43(f: F => B): Unit = () + ^ +variances2.scala:56: error: covariant type E occurs in contravariant position in type F => E of value f + def f46(f: F => E): Unit = () + ^ +variances2.scala:59: error: contravariant type A occurs in covariant position in type ()A => A of method f48 + def f48(): A => A = null + ^ +variances2.scala:62: error: contravariant type D occurs in covariant position in type ()A => D of method f51 + def f51(): A => D = null + ^ +variances2.scala:65: error: covariant type B occurs in contravariant position in type ()B => A of method f54 + def f54(): B => A = null + ^ +variances2.scala:66: error: covariant type B occurs in contravariant position in type ()B => B of method f55 + def f55(): B => B = null + ^ +variances2.scala:67: error: covariant type B occurs in contravariant position in type ()B => C of method f56 + def f56(): B => C = null + ^ +variances2.scala:68: error: covariant type B occurs in contravariant position in type ()B => D of method f57 + def f57(): B => D = null + ^ +variances2.scala:69: error: covariant type B occurs in contravariant position in type ()B => E of method f58 + def f58(): B => E = null + ^ +variances2.scala:70: error: covariant type B occurs in contravariant position in type ()B => F of method f59 + def f59(): B => F = null + ^ +variances2.scala:71: error: contravariant type A occurs in covariant position in type ()C => A of method f60 + def f60(): C => A = null + ^ +variances2.scala:74: error: contravariant type D occurs in covariant position in type ()C => D of method f63 + def f63(): C => D = null + ^ +variances2.scala:77: error: contravariant type A occurs in covariant position in type ()D => A of method f66 + def f66(): D => A = null + ^ +variances2.scala:80: error: contravariant type D occurs in covariant position in type ()D => D of method f69 + def f69(): D => D = null + ^ +variances2.scala:83: error: covariant type E occurs in contravariant position in type ()E => A of method f72 + def f72(): E => A = null + ^ +variances2.scala:84: error: covariant type E occurs in contravariant position in type ()E => B of method f73 + def f73(): E => B = null + ^ +variances2.scala:85: error: covariant type E occurs in contravariant position in type ()E => C of method f74 + def f74(): E => C = null + ^ +variances2.scala:86: error: covariant type E occurs in contravariant position in type ()E => D of method f75 + def f75(): E => D = null + ^ +variances2.scala:87: error: covariant type E occurs in contravariant position in type ()E => E of method f76 + def f76(): E => E = null + ^ +variances2.scala:88: error: covariant type E occurs in contravariant position in type ()E => F of method f77 + def f77(): E => F = null + ^ +variances2.scala:89: error: contravariant type A occurs in covariant position in type ()F => A of method f78 + def f78(): F => A = null + ^ +variances2.scala:92: error: contravariant type D occurs in covariant position in type ()F => D of method f81 + def f81(): F => D = null + ^ +variances2.scala:96: error: contravariant type A occurs in covariant position in type (x: A)A of method f84 + def f84(x: A): A = ??? + ^ +variances2.scala:99: error: contravariant type D occurs in covariant position in type (x: A)D of method f87 + def f87(x: A): D = ??? + ^ +variances2.scala:102: error: contravariant type A occurs in covariant position in type (x: B)A of method f90 + def f90(x: B): A = ??? + ^ +variances2.scala:102: error: covariant type B occurs in contravariant position in type B of value x + def f90(x: B): A = ??? + ^ +variances2.scala:103: error: covariant type B occurs in contravariant position in type B of value x + def f91(x: B): B = ??? + ^ +variances2.scala:104: error: covariant type B occurs in contravariant position in type B of value x + def f92(x: B): C = ??? + ^ +variances2.scala:105: error: contravariant type D occurs in covariant position in type (x: B)D of method f93 + def f93(x: B): D = ??? + ^ +variances2.scala:105: error: covariant type B occurs in contravariant position in type B of value x + def f93(x: B): D = ??? + ^ +variances2.scala:106: error: covariant type B occurs in contravariant position in type B of value x + def f94(x: B): E = ??? + ^ +variances2.scala:107: error: covariant type B occurs in contravariant position in type B of value x + def f95(x: B): F = ??? + ^ +variances2.scala:108: error: contravariant type A occurs in covariant position in type (x: C)A of method f96 + def f96(x: C): A = ??? + ^ +variances2.scala:111: error: contravariant type D occurs in covariant position in type (x: C)D of method f99 + def f99(x: C): D = ??? + ^ +variances2.scala:114: error: contravariant type A occurs in covariant position in type (x: D)A of method f102 + def f102(x: D): A = ??? + ^ +variances2.scala:117: error: contravariant type D occurs in covariant position in type (x: D)D of method f105 + def f105(x: D): D = ??? + ^ +variances2.scala:120: error: contravariant type A occurs in covariant position in type (x: E)A of method f108 + def f108(x: E): A = ??? + ^ +variances2.scala:120: error: covariant type E occurs in contravariant position in type E of value x + def f108(x: E): A = ??? + ^ +variances2.scala:121: error: covariant type E occurs in contravariant position in type E of value x + def f109(x: E): B = ??? + ^ +variances2.scala:122: error: covariant type E occurs in contravariant position in type E of value x + def f110(x: E): C = ??? + ^ +variances2.scala:123: error: contravariant type D occurs in covariant position in type (x: E)D of method f111 + def f111(x: E): D = ??? + ^ +variances2.scala:123: error: covariant type E occurs in contravariant position in type E of value x + def f111(x: E): D = ??? + ^ +variances2.scala:124: error: covariant type E occurs in contravariant position in type E of value x + def f112(x: E): E = ??? + ^ +variances2.scala:125: error: covariant type E occurs in contravariant position in type E of value x + def f113(x: E): F = ??? + ^ +variances2.scala:126: error: contravariant type A occurs in covariant position in type (x: F)A of method f114 + def f114(x: F): A = ??? + ^ +variances2.scala:129: error: contravariant type D occurs in covariant position in type (x: F)D of method f117 + def f117(x: F): D = ??? + ^ +variances2.scala:133: error: contravariant type A occurs in covariant position in supertype Cov[A] of object O1 + object O1 extends Cov[A] + ^ +variances2.scala:136: error: contravariant type D occurs in covariant position in supertype Cov[D] of object O4 + object O4 extends Cov[D] + ^ +variances2.scala:140: error: covariant type B occurs in contravariant position in supertype Con[B] of object O8 + object O8 extends Con[B] + ^ +variances2.scala:143: error: covariant type E occurs in contravariant position in supertype Con[E] of object O11 + object O11 extends Con[E] + ^ +variances2.scala:145: error: contravariant type A occurs in invariant position in supertype Inv[A] of object O13 + object O13 extends Inv[A] + ^ +variances2.scala:146: error: covariant type B occurs in invariant position in supertype Inv[B] of object O14 + object O14 extends Inv[B] + ^ +variances2.scala:148: error: contravariant type D occurs in invariant position in supertype Inv[D] of object O16 + object O16 extends Inv[D] + ^ +variances2.scala:149: error: covariant type E occurs in invariant position in supertype Inv[E] of object O17 + object O17 extends Inv[E] + ^ +76 errors found diff --git a/tests/untried/neg/variances2.scala b/tests/untried/neg/variances2.scala new file mode 100644 index 000000000..0a57f8120 --- /dev/null +++ b/tests/untried/neg/variances2.scala @@ -0,0 +1,303 @@ +trait Cov[+A] +trait Con[-A] +trait Inv[A] + +trait Trait[-A, +B, C] { + // trait Inner[-D <: C, +E >: C, F] { + trait Inner[-D <: C, +E >: C, F] { + def f0(x: A): Unit = () + def f1(x: B): Unit = () + def f2(x: C): Unit = () + def f3(x: D): Unit = () + def f4(x: E): Unit = () + def f5(x: F): Unit = () + + def f6(): A = ??? + def f7(): B = ??? + def f8(): C = ??? + def f9(): D = ??? + def f10(): E = ??? + def f11(): F = ??? + + def f12(f: A => A): Unit = () + def f13(f: A => B): Unit = () + def f14(f: A => C): Unit = () + def f15(f: A => D): Unit = () + def f16(f: A => E): Unit = () + def f17(f: A => F): Unit = () + def f18(f: B => A): Unit = () + def f19(f: B => B): Unit = () + def f20(f: B => C): Unit = () + def f21(f: B => D): Unit = () + def f22(f: B => E): Unit = () + def f23(f: B => F): Unit = () + def f24(f: C => A): Unit = () + def f25(f: C => B): Unit = () + def f26(f: C => C): Unit = () + def f27(f: C => D): Unit = () + def f28(f: C => E): Unit = () + def f29(f: C => F): Unit = () + def f30(f: D => A): Unit = () + def f31(f: D => B): Unit = () + def f32(f: D => C): Unit = () + def f33(f: D => D): Unit = () + def f34(f: D => E): Unit = () + def f35(f: D => F): Unit = () + def f36(f: E => A): Unit = () + def f37(f: E => B): Unit = () + def f38(f: E => C): Unit = () + def f39(f: E => D): Unit = () + def f40(f: E => E): Unit = () + def f41(f: E => F): Unit = () + def f42(f: F => A): Unit = () + def f43(f: F => B): Unit = () + def f44(f: F => C): Unit = () + def f45(f: F => D): Unit = () + def f46(f: F => E): Unit = () + def f47(f: F => F): Unit = () + + def f48(): A => A = null + def f49(): A => B = null + def f50(): A => C = null + def f51(): A => D = null + def f52(): A => E = null + def f53(): A => F = null + def f54(): B => A = null + def f55(): B => B = null + def f56(): B => C = null + def f57(): B => D = null + def f58(): B => E = null + def f59(): B => F = null + def f60(): C => A = null + def f61(): C => B = null + def f62(): C => C = null + def f63(): C => D = null + def f64(): C => E = null + def f65(): C => F = null + def f66(): D => A = null + def f67(): D => B = null + def f68(): D => C = null + def f69(): D => D = null + def f70(): D => E = null + def f71(): D => F = null + def f72(): E => A = null + def f73(): E => B = null + def f74(): E => C = null + def f75(): E => D = null + def f76(): E => E = null + def f77(): E => F = null + def f78(): F => A = null + def f79(): F => B = null + def f80(): F => C = null + def f81(): F => D = null + def f82(): F => E = null + def f83(): F => F = null + + def f84(x: A): A = ??? + def f85(x: A): B = ??? + def f86(x: A): C = ??? + def f87(x: A): D = ??? + def f88(x: A): E = ??? + def f89(x: A): F = ??? + def f90(x: B): A = ??? + def f91(x: B): B = ??? + def f92(x: B): C = ??? + def f93(x: B): D = ??? + def f94(x: B): E = ??? + def f95(x: B): F = ??? + def f96(x: C): A = ??? + def f97(x: C): B = ??? + def f98(x: C): C = ??? + def f99(x: C): D = ??? + def f100(x: C): E = ??? + def f101(x: C): F = ??? + def f102(x: D): A = ??? + def f103(x: D): B = ??? + def f104(x: D): C = ??? + def f105(x: D): D = ??? + def f106(x: D): E = ??? + def f107(x: D): F = ??? + def f108(x: E): A = ??? + def f109(x: E): B = ??? + def f110(x: E): C = ??? + def f111(x: E): D = ??? + def f112(x: E): E = ??? + def f113(x: E): F = ??? + def f114(x: F): A = ??? + def f115(x: F): B = ??? + def f116(x: F): C = ??? + def f117(x: F): D = ??? + def f118(x: F): E = ??? + def f119(x: F): F = ??? + + object O1 extends Cov[A] + object O2 extends Cov[B] + object O3 extends Cov[C] + object O4 extends Cov[D] + object O5 extends Cov[E] + object O6 extends Cov[F] + object O7 extends Con[A] + object O8 extends Con[B] + object O9 extends Con[C] + object O10 extends Con[D] + object O11 extends Con[E] + object O12 extends Con[F] + object O13 extends Inv[A] + object O14 extends Inv[B] + object O15 extends Inv[C] + object O16 extends Inv[D] + object O17 extends Inv[E] + object O18 extends Inv[F] + } +} + +trait Trait2[-A, +B, C] { + // trait Inner[-D <: C, +E >: C, F] { + def method[D <: A, E >: B, F](): Unit = { + def f0(x: A): Unit = () + def f1(x: B): Unit = () + def f2(x: C): Unit = () + def f3(x: D): Unit = () + def f4(x: E): Unit = () + def f5(x: F): Unit = () + + def f6(): A = ??? + def f7(): B = ??? + def f8(): C = ??? + def f9(): D = ??? + def f10(): E = ??? + def f11(): F = ??? + + def f12(f: A => A): Unit = () + def f13(f: A => B): Unit = () + def f14(f: A => C): Unit = () + def f15(f: A => D): Unit = () + def f16(f: A => E): Unit = () + def f17(f: A => F): Unit = () + def f18(f: B => A): Unit = () + def f19(f: B => B): Unit = () + def f20(f: B => C): Unit = () + def f21(f: B => D): Unit = () + def f22(f: B => E): Unit = () + def f23(f: B => F): Unit = () + def f24(f: C => A): Unit = () + def f25(f: C => B): Unit = () + def f26(f: C => C): Unit = () + def f27(f: C => D): Unit = () + def f28(f: C => E): Unit = () + def f29(f: C => F): Unit = () + def f30(f: D => A): Unit = () + def f31(f: D => B): Unit = () + def f32(f: D => C): Unit = () + def f33(f: D => D): Unit = () + def f34(f: D => E): Unit = () + def f35(f: D => F): Unit = () + def f36(f: E => A): Unit = () + def f37(f: E => B): Unit = () + def f38(f: E => C): Unit = () + def f39(f: E => D): Unit = () + def f40(f: E => E): Unit = () + def f41(f: E => F): Unit = () + def f42(f: F => A): Unit = () + def f43(f: F => B): Unit = () + def f44(f: F => C): Unit = () + def f45(f: F => D): Unit = () + def f46(f: F => E): Unit = () + def f47(f: F => F): Unit = () + + def f48(): A => A = null + def f49(): A => B = null + def f50(): A => C = null + def f51(): A => D = null + def f52(): A => E = null + def f53(): A => F = null + def f54(): B => A = null + def f55(): B => B = null + def f56(): B => C = null + def f57(): B => D = null + def f58(): B => E = null + def f59(): B => F = null + def f60(): C => A = null + def f61(): C => B = null + def f62(): C => C = null + def f63(): C => D = null + def f64(): C => E = null + def f65(): C => F = null + def f66(): D => A = null + def f67(): D => B = null + def f68(): D => C = null + def f69(): D => D = null + def f70(): D => E = null + def f71(): D => F = null + def f72(): E => A = null + def f73(): E => B = null + def f74(): E => C = null + def f75(): E => D = null + def f76(): E => E = null + def f77(): E => F = null + def f78(): F => A = null + def f79(): F => B = null + def f80(): F => C = null + def f81(): F => D = null + def f82(): F => E = null + def f83(): F => F = null + + def f84(x: A): A = ??? + def f85(x: A): B = ??? + def f86(x: A): C = ??? + def f87(x: A): D = ??? + def f88(x: A): E = ??? + def f89(x: A): F = ??? + def f90(x: B): A = ??? + def f91(x: B): B = ??? + def f92(x: B): C = ??? + def f93(x: B): D = ??? + def f94(x: B): E = ??? + def f95(x: B): F = ??? + def f96(x: C): A = ??? + def f97(x: C): B = ??? + def f98(x: C): C = ??? + def f99(x: C): D = ??? + def f100(x: C): E = ??? + def f101(x: C): F = ??? + def f102(x: D): A = ??? + def f103(x: D): B = ??? + def f104(x: D): C = ??? + def f105(x: D): D = ??? + def f106(x: D): E = ??? + def f107(x: D): F = ??? + def f108(x: E): A = ??? + def f109(x: E): B = ??? + def f110(x: E): C = ??? + def f111(x: E): D = ??? + def f112(x: E): E = ??? + def f113(x: E): F = ??? + def f114(x: F): A = ??? + def f115(x: F): B = ??? + def f116(x: F): C = ??? + def f117(x: F): D = ??? + def f118(x: F): E = ??? + def f119(x: F): F = ??? + + object O1 extends Cov[A] + object O2 extends Cov[B] + object O3 extends Cov[C] + object O4 extends Cov[D] + object O5 extends Cov[E] + object O6 extends Cov[F] + object O7 extends Con[A] + object O8 extends Con[B] + object O9 extends Con[C] + object O10 extends Con[D] + object O11 extends Con[E] + object O12 extends Con[F] + object O13 extends Inv[A] + object O14 extends Inv[B] + object O15 extends Inv[C] + object O16 extends Inv[D] + object O17 extends Inv[E] + object O18 extends Inv[F] + + () + } +} diff --git a/tests/untried/neg/viewtest.check b/tests/untried/neg/viewtest.check new file mode 100644 index 000000000..21ed93a01 --- /dev/null +++ b/tests/untried/neg/viewtest.check @@ -0,0 +1,6 @@ +viewtest.scala:43: error: type mismatch; + found : List[a(in method compareTo)] + required: List[a(in method view3)] + case y1: List[a] => compareLists(x, y1) + ^ +one error found diff --git a/tests/untried/neg/viewtest.scala b/tests/untried/neg/viewtest.scala new file mode 100644 index 000000000..5e7d624d2 --- /dev/null +++ b/tests/untried/neg/viewtest.scala @@ -0,0 +1,116 @@ +package test + +/** A trait for totally ordered data. + */ +trait Ordered[+a] { + + /** Result of comparing `this' with operand `that'. + * returns `x' where + * x < 0 iff this < that + * x == 0 iff this == that + * x > 0 iff this > that + */ + def compareTo [b >: a <% Ordered[b]](that: b): Int + + def < [b >: a <% Ordered[b]](that: b): Boolean = (this compareTo that) < 0 + + def > [b >: a <% Ordered[b]](that: b): Boolean = (this compareTo that) > 0 + + def <= [b >: a <% Ordered[b]](that: b): Boolean = (this compareTo that) <= 0 + + def >= [b >: a <% Ordered[b]](that: b): Boolean = (this compareTo that) >= 0 +} + + +object O { + + implicit def view1(x: String): Ordered[String] = new Ordered[String] { + def compareTo [b >: String <% Ordered[b]](y: b): Int = y match { + case y1: String => x compareTo y1 + case _ => -(y compareTo x) + } + } + implicit def view2(x: Char): Ordered[Char] = new Ordered[Char] { + def compareTo [b >: Char <% Ordered[b]](y: b): Int = y match { + case y1: Char => x - y1 + case _ => -(y compareTo x) + } + } + + implicit def view3[a <% Ordered[a]](x: List[a]): Ordered[List[a]] = + new Ordered[List[a]] { + def compareTo [b >: List[a] <% Ordered[b]](y: b): Int = y match { + case y1: List[a] => compareLists(x, y1) + case _ => -(y compareTo x) + } + private def compareLists(xs: List[a], ys: List[a]): Int = { + if (xs.isEmpty && ys.isEmpty) 0 + else if (xs.isEmpty) -1 + else if (ys.isEmpty) 1 + else { + val s = xs.head compareTo ys.head + if (s != 0) s + else compareLists(xs.tail, ys.tail) + } + } + } + implicit def view4[a](x: a): a = x +} + +abstract class Tree[+a <% Ordered[a]] { + def insert[b >: a <% Ordered[b]](x: b): Tree[b] + def elements: List[a] +} + +object Empty extends Tree[Nothing] { + def insert[b >: Nothing <% Ordered[b]](x: b): Tree[b] = new Node(x, Empty, Empty) + def elements: List[Nothing] = List() +} + +class Node[a <% Ordered[a]](elem: a, l: Tree[a], r: Tree[a]) extends Tree[a] { + def insert[b >: a <% Ordered[b]](x: b): Tree[b] = + if (x == elem) this + else if (x < elem) new Node(elem, l insert x, r) + else new Node(elem, l, r insert x) + def elements: List[a] = + l.elements ::: List(elem) ::: r.elements +} + +case class Str(elem: String) extends Ordered[Str] { + def compareTo[b >: Str <% Ordered[b]](that: b): Int = that match { + case that1: Str => this.elem compareTo that1.elem + case _ => -(that compareTo this) + } +} + +object Test { + import O._ + + private def toCharList(s: String): List[Char] = + if (s.length() == 0) List() + else s.charAt(0) :: toCharList(s.substring(1)) + + def main(args: Array[String]) = { + { + var t: Tree[String] = Empty + for (s <- args) { + t = t insert s + } + Console.println(t.elements) + } + { + var t: Tree[Str] = Empty + for (s <- args) { + t = t insert Str(s) + } + Console.println(t.elements) + } + { + var t: Tree[List[Char]] = Empty + for (s <- args) { + t = t insert toCharList(s) + } + Console.println(t.elements) + } + } +} diff --git a/tests/untried/neg/virtpatmat_reach_null.check b/tests/untried/neg/virtpatmat_reach_null.check new file mode 100644 index 000000000..e0c36c8c5 --- /dev/null +++ b/tests/untried/neg/virtpatmat_reach_null.check @@ -0,0 +1,6 @@ +virtpatmat_reach_null.scala:13: warning: unreachable code + case _ => // unreachable + ^ +error: No warnings can be incurred under -Xfatal-warnings. +one warning found +one error found diff --git a/tests/untried/neg/virtpatmat_reach_null.flags b/tests/untried/neg/virtpatmat_reach_null.flags new file mode 100644 index 000000000..e8fb65d50 --- /dev/null +++ b/tests/untried/neg/virtpatmat_reach_null.flags @@ -0,0 +1 @@ +-Xfatal-warnings
\ No newline at end of file diff --git a/tests/untried/neg/virtpatmat_reach_null.scala b/tests/untried/neg/virtpatmat_reach_null.scala new file mode 100644 index 000000000..6314a5b1d --- /dev/null +++ b/tests/untried/neg/virtpatmat_reach_null.scala @@ -0,0 +1,19 @@ +sealed abstract class Const { + final def excludes(other: Const) = + (this, other) match { + case (_, NullConst) => + case (NullConst, _) => + case (_: ValueConst, _: ValueConst) => + case (_: ValueConst, _: TypeConst) => + case (_: TypeConst, _: ValueConst) => + case (_: TypeConst, _: TypeConst) => + case (null, _) => + case (_, null) => + case null => + case _ => // unreachable + } +} + +sealed class TypeConst extends Const +sealed class ValueConst extends Const +case object NullConst extends Const diff --git a/tests/untried/neg/virtpatmat_reach_sealed_unsealed.check b/tests/untried/neg/virtpatmat_reach_sealed_unsealed.check new file mode 100644 index 000000000..064a12bca --- /dev/null +++ b/tests/untried/neg/virtpatmat_reach_sealed_unsealed.check @@ -0,0 +1,16 @@ +virtpatmat_reach_sealed_unsealed.scala:16: warning: match may not be exhaustive. +It would fail on the following input: false + (true: Boolean) match { case true => } // not exhaustive, but reachable + ^ +virtpatmat_reach_sealed_unsealed.scala:18: warning: unreachable code + (true: Boolean) match { case true => case false => case _ => } // exhaustive, last case is unreachable + ^ +virtpatmat_reach_sealed_unsealed.scala:19: warning: unreachable code + (true: Boolean) match { case true => case false => case _: Boolean => } // exhaustive, last case is unreachable + ^ +virtpatmat_reach_sealed_unsealed.scala:20: warning: unreachable code + (true: Boolean) match { case true => case false => case _: Any => } // exhaustive, last case is unreachable + ^ +error: No warnings can be incurred under -Xfatal-warnings. +four warnings found +one error found diff --git a/tests/untried/neg/virtpatmat_reach_sealed_unsealed.flags b/tests/untried/neg/virtpatmat_reach_sealed_unsealed.flags new file mode 100644 index 000000000..e8fb65d50 --- /dev/null +++ b/tests/untried/neg/virtpatmat_reach_sealed_unsealed.flags @@ -0,0 +1 @@ +-Xfatal-warnings
\ No newline at end of file diff --git a/tests/untried/neg/virtpatmat_reach_sealed_unsealed.scala b/tests/untried/neg/virtpatmat_reach_sealed_unsealed.scala new file mode 100644 index 000000000..26ab5da71 --- /dev/null +++ b/tests/untried/neg/virtpatmat_reach_sealed_unsealed.scala @@ -0,0 +1,21 @@ +sealed abstract class X +sealed case class A(x: Int) extends X + +// test reachability on mixed sealed / non-sealed matches +object Test extends App { + val B: X = A(0) + val C: X = A(1) + + // all cases are reachable and the match is exhaustive + (C: X) match { + case B => + case C => + case A(_) => + } + + (true: Boolean) match { case true => } // not exhaustive, but reachable + (true: Boolean) match { case true => case false => } // exhaustive, reachable + (true: Boolean) match { case true => case false => case _ => } // exhaustive, last case is unreachable + (true: Boolean) match { case true => case false => case _: Boolean => } // exhaustive, last case is unreachable + (true: Boolean) match { case true => case false => case _: Any => } // exhaustive, last case is unreachable +} diff --git a/tests/untried/neg/virtpatmat_unreach_select.check b/tests/untried/neg/virtpatmat_unreach_select.check new file mode 100644 index 000000000..4fc78cd41 --- /dev/null +++ b/tests/untried/neg/virtpatmat_unreach_select.check @@ -0,0 +1,6 @@ +virtpatmat_unreach_select.scala:10: warning: unreachable code + case WARNING.id => // unreachable + ^ +error: No warnings can be incurred under -Xfatal-warnings. +one warning found +one error found diff --git a/tests/untried/neg/virtpatmat_unreach_select.flags b/tests/untried/neg/virtpatmat_unreach_select.flags new file mode 100644 index 000000000..85d8eb2ba --- /dev/null +++ b/tests/untried/neg/virtpatmat_unreach_select.flags @@ -0,0 +1 @@ +-Xfatal-warnings diff --git a/tests/untried/neg/virtpatmat_unreach_select.scala b/tests/untried/neg/virtpatmat_unreach_select.scala new file mode 100644 index 000000000..c46ff1545 --- /dev/null +++ b/tests/untried/neg/virtpatmat_unreach_select.scala @@ -0,0 +1,12 @@ +class Test { + object severity extends Enumeration + class Severity(val id: Int) extends severity.Value + val INFO = new Severity(0) + val WARNING = new Severity(1) + + (0: Int) match { + case WARNING.id => + case INFO.id => // reachable + case WARNING.id => // unreachable + } +} diff --git a/tests/untried/neg/volatile-intersection.check b/tests/untried/neg/volatile-intersection.check new file mode 100644 index 000000000..ef983994a --- /dev/null +++ b/tests/untried/neg/volatile-intersection.check @@ -0,0 +1,4 @@ +volatile-intersection.scala:8: error: illegal type selection from volatile type C.this.D with C.this.U + val y: (D with U)#T = new B { } + ^ +one error found diff --git a/tests/untried/neg/volatile-intersection.scala b/tests/untried/neg/volatile-intersection.scala new file mode 100644 index 000000000..209d13bae --- /dev/null +++ b/tests/untried/neg/volatile-intersection.scala @@ -0,0 +1,21 @@ +object Test extends App { + trait A + trait B extends A + + trait C { + type U + trait D { type T >: B <: A } + val y: (D with U)#T = new B { } + } + + class D extends C { + trait E + trait F { type T = E } + type U = F + def frob(arg : E) : E = arg + frob(y) + } + + new D +} + diff --git a/tests/untried/neg/volatile.check b/tests/untried/neg/volatile.check new file mode 100644 index 000000000..b90428412 --- /dev/null +++ b/tests/untried/neg/volatile.check @@ -0,0 +1,7 @@ +volatile.scala:11: error: Inferred type C.this.D with C.this.E#T contains type selection from volatile type C.this.D with C.this.E + var sneak = { () => y.x } + ^ +volatile.scala:11: error: Inferred type () => C.this.D with C.this.E#T contains type selection from volatile type C.this.D with C.this.E + var sneak = { () => y.x } + ^ +two errors found diff --git a/tests/untried/neg/volatile.scala b/tests/untried/neg/volatile.scala new file mode 100644 index 000000000..829286315 --- /dev/null +++ b/tests/untried/neg/volatile.scala @@ -0,0 +1,24 @@ +object Test extends App { + trait A + trait B extends A + + class C { + type D + trait E { type T >: B <: A; val x : T } + // This is currently correctly disallowed + // val y : (D with E)#T = y + val y : D with E = y + var sneak = { () => y.x } + sneak = { () => new B { } } + } + + class F extends C { + trait G + trait H { type T = G } + type D = H + def frob(arg : G) : G = arg + frob(sneak()) + } + + new F +} diff --git a/tests/untried/neg/volatile_no_override.check b/tests/untried/neg/volatile_no_override.check new file mode 100644 index 000000000..a9a60ab69 --- /dev/null +++ b/tests/untried/neg/volatile_no_override.check @@ -0,0 +1,5 @@ +volatile_no_override.scala:13: error: overriding value x in class A of type Volatile.this.D; + value x has a volatile type; cannot override a member with non-volatile type + val x: A with D = null + ^ +one error found diff --git a/tests/untried/neg/volatile_no_override.scala b/tests/untried/neg/volatile_no_override.scala new file mode 100644 index 000000000..9fad082a9 --- /dev/null +++ b/tests/untried/neg/volatile_no_override.scala @@ -0,0 +1,14 @@ +class B +class C(x: String) extends B + +abstract class A { + class D { type T >: C <: B } + val x: D + var y: x.T = new C("abc") +} + +class Volatile extends A { + type A >: Null + // test (1.4), pt 2 in RefChecks + val x: A with D = null +} diff --git a/tests/untried/neg/warn-inferred-any.check b/tests/untried/neg/warn-inferred-any.check new file mode 100644 index 000000000..4628033e5 --- /dev/null +++ b/tests/untried/neg/warn-inferred-any.check @@ -0,0 +1,12 @@ +warn-inferred-any.scala:8: warning: a type was inferred to be `Any`; this may indicate a programming error. + { List(1, 2, 3) contains "a" } // only this warns + ^ +warn-inferred-any.scala:16: warning: a type was inferred to be `AnyVal`; this may indicate a programming error. + { 1l to 5l contains 5 } + ^ +warn-inferred-any.scala:17: warning: a type was inferred to be `AnyVal`; this may indicate a programming error. + { 1l to 5l contains 5d } + ^ +error: No warnings can be incurred under -Xfatal-warnings. +three warnings found +one error found diff --git a/tests/untried/neg/warn-inferred-any.flags b/tests/untried/neg/warn-inferred-any.flags new file mode 100644 index 000000000..a3127d392 --- /dev/null +++ b/tests/untried/neg/warn-inferred-any.flags @@ -0,0 +1 @@ +-Xfatal-warnings -Ywarn-infer-any diff --git a/tests/untried/neg/warn-inferred-any.scala b/tests/untried/neg/warn-inferred-any.scala new file mode 100644 index 000000000..b853e6e5a --- /dev/null +++ b/tests/untried/neg/warn-inferred-any.scala @@ -0,0 +1,19 @@ +trait Foo[-A <: AnyRef, +B <: AnyRef] { + def run[U](x: A)(action: B => U): Boolean = ??? + + { run(_: A)(_: B => String) } +} + +trait Xs[+A] { + { List(1, 2, 3) contains "a" } // only this warns + { List(1, 2, 3) contains 1 } + { identity(List(1, 2, 3) contains 1) } + { List("a") foreach println } +} + +trait Ys[+A] { + { 1 to 5 contains 5l } + { 1l to 5l contains 5 } + { 1l to 5l contains 5d } + { 1l to 5l contains 5l } +} diff --git a/tests/untried/neg/warn-unused-imports.check b/tests/untried/neg/warn-unused-imports.check new file mode 100644 index 000000000..36c6dd03c --- /dev/null +++ b/tests/untried/neg/warn-unused-imports.check @@ -0,0 +1,33 @@ +warn-unused-imports.scala:57: warning: Unused import + import p1.A // warn + ^ +warn-unused-imports.scala:62: warning: Unused import + import p1.{ A, B } // warn on A + ^ +warn-unused-imports.scala:67: warning: Unused import + import p1.{ A, B } // warn on both + ^ +warn-unused-imports.scala:67: warning: Unused import + import p1.{ A, B } // warn on both + ^ +warn-unused-imports.scala:73: warning: Unused import + import c._ // warn + ^ +warn-unused-imports.scala:78: warning: Unused import + import p1._ // warn + ^ +warn-unused-imports.scala:85: warning: Unused import + import c._ // warn + ^ +warn-unused-imports.scala:91: warning: Unused import + import p1.c._ // warn + ^ +warn-unused-imports.scala:98: warning: Unused import + import p1._ // warn + ^ +warn-unused-imports.scala:118: warning: Unused import + import p1.A // warn + ^ +error: No warnings can be incurred under -Xfatal-warnings. +10 warnings found +one error found diff --git a/tests/untried/neg/warn-unused-imports.flags b/tests/untried/neg/warn-unused-imports.flags new file mode 100644 index 000000000..24db705df --- /dev/null +++ b/tests/untried/neg/warn-unused-imports.flags @@ -0,0 +1 @@ +-Xfatal-warnings -Ywarn-unused-import diff --git a/tests/untried/neg/warn-unused-imports.scala b/tests/untried/neg/warn-unused-imports.scala new file mode 100644 index 000000000..b7a2f1c41 --- /dev/null +++ b/tests/untried/neg/warn-unused-imports.scala @@ -0,0 +1,125 @@ +class Bippo { + def length: Int = 123 + class Tree +} + +package object p1 { + class A + implicit class B(val s: String) { def bippy = s } + val c: Bippo = new Bippo + type D = String +} +package object p2 { + class A + implicit class B(val s: String) { def bippy = s } + val c: Bippo = new Bippo + type D = Int +} + +trait NoWarn { + { + import p1._ // no warn + println("abc".bippy) + } + + { + import p1._ // no warn + println(new A) + } + + { + import p1.B // no warn + println("abc".bippy) + } + + { + import p1._ // no warn + import c._ // no warn + println(length) + } + + { + import p1._ // no warn + import c._ // no warn + val x: Tree = null + println(x) + } + + { + import p1.D // no warn + val x: D = null + println(x) + } +} + +trait Warn { + { + import p1.A // warn + println(123) + } + + { + import p1.{ A, B } // warn on A + println("abc".bippy) + } + + { + import p1.{ A, B } // warn on both + println(123) + } + + { + import p1._ // no warn (technically this could warn, but not worth the effort to unroll unusedness transitively) + import c._ // warn + println(123) + } + + { + import p1._ // warn + println(123) + } + + { + class Tree + import p1._ // no warn + import c._ // warn + val x: Tree = null + println(x) + } + + { + import p1.c._ // warn + println(123) + } +} + +trait Nested { + { + import p1._ // warn + trait Warn { // warn about unused local trait for good measure + import p2._ + println(new A) + println("abc".bippy) + } + println("") + } + + { + import p1._ // no warn + trait NoWarn { + import p2.B // no warn + println("abc".bippy) + println(new A) + } + println(new NoWarn { }) + } + + { + import p1.A // warn + trait Warn { + import p2.A + println(new A) + } + println(new Warn { }) + } +} diff --git a/tests/untried/neg/warn-unused-privates.check b/tests/untried/neg/warn-unused-privates.check new file mode 100644 index 000000000..d012869c9 --- /dev/null +++ b/tests/untried/neg/warn-unused-privates.check @@ -0,0 +1,66 @@ +warn-unused-privates.scala:2: warning: private constructor in class Bippy is never used + private def this(c: Int) = this(c, c) // warn + ^ +warn-unused-privates.scala:4: warning: private method in class Bippy is never used + private def boop(x: Int) = x+a+b // warn + ^ +warn-unused-privates.scala:6: warning: private val in class Bippy is never used + final private val MILLIS2: Int = 1000 // warn + ^ +warn-unused-privates.scala:13: warning: private val in object Bippy is never used + private val HEY_INSTANCE: Int = 1000 // warn + ^ +warn-unused-privates.scala:35: warning: private val in class Boppy is never used + private val hummer = "def" // warn + ^ +warn-unused-privates.scala:42: warning: private var in trait Accessors is never used + private var v1: Int = 0 // warn + ^ +warn-unused-privates.scala:42: warning: private setter in trait Accessors is never used + private var v1: Int = 0 // warn + ^ +warn-unused-privates.scala:43: warning: private setter in trait Accessors is never used + private var v2: Int = 0 // warn, never set + ^ +warn-unused-privates.scala:44: warning: private var in trait Accessors is never used + private var v3: Int = 0 // warn, never got + ^ +warn-unused-privates.scala:56: warning: private default argument in trait DefaultArgs is never used + private def bippy(x1: Int, x2: Int = 10, x3: Int = 15): Int = x1 + x2 + x3 + ^ +warn-unused-privates.scala:56: warning: private default argument in trait DefaultArgs is never used + private def bippy(x1: Int, x2: Int = 10, x3: Int = 15): Int = x1 + x2 + x3 + ^ +warn-unused-privates.scala:67: warning: local var in method f0 is never used + var x = 1 // warn + ^ +warn-unused-privates.scala:74: warning: local val in method f1 is never used + val b = new Outer // warn + ^ +warn-unused-privates.scala:84: warning: private object in object Types is never used + private object Dongo { def f = this } // warn + ^ +warn-unused-privates.scala:94: warning: local object in method l1 is never used + object HiObject { def f = this } // warn + ^ +warn-unused-privates.scala:78: warning: local var x in method f2 is never set - it could be a val + var x = 100 // warn about it being a var + ^ +warn-unused-privates.scala:85: warning: private class Bar1 in object Types is never used + private class Bar1 // warn + ^ +warn-unused-privates.scala:87: warning: private type Alias1 in object Types is never used + private type Alias1 = String // warn + ^ +warn-unused-privates.scala:95: warning: local class Hi is never used + class Hi { // warn + ^ +warn-unused-privates.scala:99: warning: local class DingDongDoobie is never used + class DingDongDoobie // warn + ^ +warn-unused-privates.scala:102: warning: local type OtherThing is never used + type OtherThing = String // warn + ^ +error: No warnings can be incurred under -Xfatal-warnings. +21 warnings found +one error found diff --git a/tests/untried/neg/warn-unused-privates.flags b/tests/untried/neg/warn-unused-privates.flags new file mode 100644 index 000000000..25474aefb --- /dev/null +++ b/tests/untried/neg/warn-unused-privates.flags @@ -0,0 +1 @@ +-Ywarn-unused -Xfatal-warnings diff --git a/tests/untried/neg/warn-unused-privates.scala b/tests/untried/neg/warn-unused-privates.scala new file mode 100644 index 000000000..cb6e946a3 --- /dev/null +++ b/tests/untried/neg/warn-unused-privates.scala @@ -0,0 +1,105 @@ +class Bippy(a: Int, b: Int) { + private def this(c: Int) = this(c, c) // warn + private def bippy(x: Int): Int = bippy(x) // TODO: could warn + private def boop(x: Int) = x+a+b // warn + final private val MILLIS1 = 2000 // no warn, might have been inlined + final private val MILLIS2: Int = 1000 // warn + final private val HI_COMPANION: Int = 500 // no warn, accessed from companion + def hi() = Bippy.HI_INSTANCE +} +object Bippy { + def hi(x: Bippy) = x.HI_COMPANION + private val HI_INSTANCE: Int = 500 // no warn, accessed from instance + private val HEY_INSTANCE: Int = 1000 // warn +} + +class A(val msg: String) +class B1(msg: String) extends A(msg) +class B2(msg0: String) extends A(msg0) +class B3(msg0: String) extends A("msg") + +/*** Early defs warnings disabled primarily due to SI-6595. + * The test case is here to assure we aren't issuing false positives; + * the ones labeled "warn" don't warn. + ***/ +class Boppy extends { + private val hmm: String = "abc" // no warn, used in early defs + private val hom: String = "def" // no warn, used in body + private final val him = "ghi" // no warn, might have been (was) inlined + final val him2 = "ghi" // no warn, same + final val himinline = him + private val hum: String = "jkl" // warn + final val ding = hmm.length +} with Mutable { + val dinger = hom + private val hummer = "def" // warn + + private final val bum = "ghi" // no warn, might have been (was) inlined + final val bum2 = "ghi" // no warn, same +} + +trait Accessors { + private var v1: Int = 0 // warn + private var v2: Int = 0 // warn, never set + private var v3: Int = 0 // warn, never got + private var v4: Int = 0 // no warn + + def bippy(): Int = { + v3 = 5 + v4 = 6 + v2 + v4 + } +} + +trait DefaultArgs { + // warn about default getters for x2 and x3 + private def bippy(x1: Int, x2: Int = 10, x3: Int = 15): Int = x1 + x2 + x3 + + def boppy() = bippy(5, 100, 200) +} + +class Outer { + class Inner +} + +trait Locals { + def f0 = { + var x = 1 // warn + var y = 2 + y = 3 + y + y + } + def f1 = { + val a = new Outer // no warn + val b = new Outer // warn + new a.Inner + } + def f2 = { + var x = 100 // warn about it being a var + x + } +} + +object Types { + private object Dongo { def f = this } // warn + private class Bar1 // warn + private class Bar2 // no warn + private type Alias1 = String // warn + private type Alias2 = String // no warn + def bippo = (new Bar2).toString + + def f(x: Alias2) = x.length + + def l1() = { + object HiObject { def f = this } // warn + class Hi { // warn + def f1: Hi = new Hi + def f2(x: Hi) = x + } + class DingDongDoobie // warn + class Bippy // no warn + type Something = Bippy // no warn + type OtherThing = String // warn + (new Bippy): Something + } +} diff --git a/tests/untried/neg/wellkinded_app.check b/tests/untried/neg/wellkinded_app.check new file mode 100644 index 000000000..d57a0e4b5 --- /dev/null +++ b/tests/untried/neg/wellkinded_app.check @@ -0,0 +1,4 @@ +wellkinded_app.scala:3: error: x does not take type parameters + type t = x[x] + ^ +one error found diff --git a/tests/untried/neg/wellkinded_app.scala b/tests/untried/neg/wellkinded_app.scala new file mode 100644 index 000000000..7fa3f95a9 --- /dev/null +++ b/tests/untried/neg/wellkinded_app.scala @@ -0,0 +1,4 @@ +// test well-kindedness checks +class WellKinded[x] { + type t = x[x] +} diff --git a/tests/untried/neg/wellkinded_app2.check b/tests/untried/neg/wellkinded_app2.check new file mode 100644 index 000000000..20a177ea5 --- /dev/null +++ b/tests/untried/neg/wellkinded_app2.check @@ -0,0 +1,4 @@ +wellkinded_app2.scala:3: error: s does not take type parameters + val foo: s[Int] + ^ +one error found diff --git a/tests/untried/neg/wellkinded_app2.scala b/tests/untried/neg/wellkinded_app2.scala new file mode 100644 index 000000000..7bb4c87f6 --- /dev/null +++ b/tests/untried/neg/wellkinded_app2.scala @@ -0,0 +1,4 @@ +// test well-kindedness checks +class WellKinded[s <: Throwable] { + val foo: s[Int] +} diff --git a/tests/untried/neg/wellkinded_bounds.check b/tests/untried/neg/wellkinded_bounds.check new file mode 100644 index 000000000..806eb09a7 --- /dev/null +++ b/tests/untried/neg/wellkinded_bounds.check @@ -0,0 +1,4 @@ +wellkinded_bounds.scala:2: error: type List takes type parameters +class WellKindedWrongSyntax[s <: List] { // must be s[x] <: List[x] + ^ +one error found diff --git a/tests/untried/neg/wellkinded_bounds.scala b/tests/untried/neg/wellkinded_bounds.scala new file mode 100644 index 000000000..cfa5e74c1 --- /dev/null +++ b/tests/untried/neg/wellkinded_bounds.scala @@ -0,0 +1,3 @@ +// test well-kindedness checks -- syntax error +class WellKindedWrongSyntax[s <: List] { // must be s[x] <: List[x] +} diff --git a/tests/untried/neg/wellkinded_wrongarity.check b/tests/untried/neg/wellkinded_wrongarity.check new file mode 100644 index 000000000..b9f033b45 --- /dev/null +++ b/tests/untried/neg/wellkinded_wrongarity.check @@ -0,0 +1,4 @@ +wellkinded_wrongarity.scala:5: error: Tuple2 takes two type parameters, expected: one +object mp extends Monad[Tuple2] + ^ +one error found diff --git a/tests/untried/neg/wellkinded_wrongarity.scala b/tests/untried/neg/wellkinded_wrongarity.scala new file mode 100644 index 000000000..39c7601d5 --- /dev/null +++ b/tests/untried/neg/wellkinded_wrongarity.scala @@ -0,0 +1,5 @@ +// test well-kindedness checks -- arity error + +class Monad[m[x]] + +object mp extends Monad[Tuple2] diff --git a/tests/untried/neg/wellkinded_wrongarity2.check b/tests/untried/neg/wellkinded_wrongarity2.check new file mode 100644 index 000000000..922f73381 --- /dev/null +++ b/tests/untried/neg/wellkinded_wrongarity2.check @@ -0,0 +1,13 @@ +wellkinded_wrongarity2.scala:5: error: String takes no type parameters, expected: one +trait ms1 extends Monad[String] // wrong + ^ +wellkinded_wrongarity2.scala:6: error: t takes no type parameters, expected: one +trait ms2[t] extends Monad[t] // wrong + ^ +wellkinded_wrongarity2.scala:7: error: m[t] takes no type parameters, expected: one +trait ms3[m[_], t] extends Monad[m[t]] // wrong -- added to check regression on bug + ^ +wellkinded_wrongarity2.scala:12: error: type m takes type parameters +trait Bar2[m[_]] extends Foo[m] // check that m is properly recognized as kind *->*, while * is expected + ^ +four errors found diff --git a/tests/untried/neg/wellkinded_wrongarity2.scala b/tests/untried/neg/wellkinded_wrongarity2.scala new file mode 100644 index 000000000..aac617bd8 --- /dev/null +++ b/tests/untried/neg/wellkinded_wrongarity2.scala @@ -0,0 +1,12 @@ +// test well-kindedness checks + +// expecting types of kind *->* +class Monad[m[x]] +trait ms1 extends Monad[String] // wrong +trait ms2[t] extends Monad[t] // wrong +trait ms3[m[_], t] extends Monad[m[t]] // wrong -- added to check regression on bug + +// expecting types of kind * +trait Foo[x] +trait Bar1[m[_]] extends Foo[m[Int]] // check that m[Int] is properly recognized as kind-* +trait Bar2[m[_]] extends Foo[m] // check that m is properly recognized as kind *->*, while * is expected diff --git a/tests/untried/neg/wrong-args-for-none.check b/tests/untried/neg/wrong-args-for-none.check new file mode 100644 index 000000000..d3b2d572a --- /dev/null +++ b/tests/untried/neg/wrong-args-for-none.check @@ -0,0 +1,4 @@ +wrong-args-for-none.scala:5: error: wrong number of arguments for pattern Test.Foo(x: Int,y: Int) + def f(x: Any) = x match { case Bar(Foo(5)) => } + ^ +one error found diff --git a/tests/untried/neg/wrong-args-for-none.scala b/tests/untried/neg/wrong-args-for-none.scala new file mode 100644 index 000000000..1caa4782a --- /dev/null +++ b/tests/untried/neg/wrong-args-for-none.scala @@ -0,0 +1,6 @@ +object Test { + case class Foo(x: Int, y: Int) + case class Bar(x: AnyRef) + + def f(x: Any) = x match { case Bar(Foo(5)) => } +} diff --git a/tests/untried/neg/xmlcorner.check b/tests/untried/neg/xmlcorner.check new file mode 100644 index 000000000..8791829e5 --- /dev/null +++ b/tests/untried/neg/xmlcorner.check @@ -0,0 +1,7 @@ +xmlcorner.scala:2: error: illegal start of simple expression + val wrong = <:bla/> + ^ +xmlcorner.scala:5: error: in XML literal: name cannot end in ':' + val wrong = <bla: /> + ^ +two errors found diff --git a/tests/untried/neg/xmlcorner.scala b/tests/untried/neg/xmlcorner.scala new file mode 100644 index 000000000..042ec05e6 --- /dev/null +++ b/tests/untried/neg/xmlcorner.scala @@ -0,0 +1,22 @@ +class foo { + val wrong = <:bla/> +} +class bar { + val wrong = <bla: /> +} + +// this "pos" test is only included as a parser test +object pos +{ + def wrap(f : Int => Unit) = f(5) + + wrap({ v => + if(v == 5) { + val n = { + val m = (<a>{}</a>) + <div>{ v }</div> + } + () + } + }) +} diff --git a/tests/untried/neg/xmltruncated1.check b/tests/untried/neg/xmltruncated1.check new file mode 100644 index 000000000..36daa342e --- /dev/null +++ b/tests/untried/neg/xmltruncated1.check @@ -0,0 +1,4 @@ +xmltruncated1.scala:2: error: input ended while parsing XML + val stuff = <a> + ^ +one error found diff --git a/tests/untried/neg/xmltruncated1.scala b/tests/untried/neg/xmltruncated1.scala new file mode 100644 index 000000000..f64573cc7 --- /dev/null +++ b/tests/untried/neg/xmltruncated1.scala @@ -0,0 +1,2 @@ +object Main { + val stuff = <a> diff --git a/tests/untried/neg/xmltruncated2.check b/tests/untried/neg/xmltruncated2.check new file mode 100644 index 000000000..f1de059f8 --- /dev/null +++ b/tests/untried/neg/xmltruncated2.check @@ -0,0 +1,4 @@ +xmltruncated2.scala:2: error: input ended while parsing XML + val stuff = <![CDATA[aoeu + ^ +one error found diff --git a/tests/untried/neg/xmltruncated2.scala b/tests/untried/neg/xmltruncated2.scala new file mode 100644 index 000000000..de9c7bb4a --- /dev/null +++ b/tests/untried/neg/xmltruncated2.scala @@ -0,0 +1,2 @@ +object Main { + val stuff = <![CDATA[aoeu diff --git a/tests/untried/neg/xmltruncated3.check b/tests/untried/neg/xmltruncated3.check new file mode 100644 index 000000000..76851bd36 --- /dev/null +++ b/tests/untried/neg/xmltruncated3.check @@ -0,0 +1,4 @@ +xmltruncated3.scala:2: error: input ended while parsing XML + val stuff = <a unclosedattr="aaaa + ^ +one error found diff --git a/tests/untried/neg/xmltruncated3.scala b/tests/untried/neg/xmltruncated3.scala new file mode 100644 index 000000000..76c894aed --- /dev/null +++ b/tests/untried/neg/xmltruncated3.scala @@ -0,0 +1,2 @@ +object Main { + val stuff = <a unclosedattr="aaaa diff --git a/tests/untried/neg/xmltruncated4.check b/tests/untried/neg/xmltruncated4.check new file mode 100644 index 000000000..4a3265d27 --- /dev/null +++ b/tests/untried/neg/xmltruncated4.check @@ -0,0 +1,4 @@ +xmltruncated4.scala:2: error: input ended while parsing XML + val stuff = <!-- comment starts but never ends... + ^ +one error found diff --git a/tests/untried/neg/xmltruncated4.scala b/tests/untried/neg/xmltruncated4.scala new file mode 100644 index 000000000..229a843c3 --- /dev/null +++ b/tests/untried/neg/xmltruncated4.scala @@ -0,0 +1,2 @@ +object Main { + val stuff = <!-- comment starts but never ends... diff --git a/tests/untried/neg/xmltruncated5.check b/tests/untried/neg/xmltruncated5.check new file mode 100644 index 000000000..cd13200b8 --- /dev/null +++ b/tests/untried/neg/xmltruncated5.check @@ -0,0 +1,4 @@ +xmltruncated5.scala:3: error: input ended while parsing XML + case <a> + ^ +one error found diff --git a/tests/untried/neg/xmltruncated5.scala b/tests/untried/neg/xmltruncated5.scala new file mode 100644 index 000000000..3ff8c9fc0 --- /dev/null +++ b/tests/untried/neg/xmltruncated5.scala @@ -0,0 +1,3 @@ +object Main { + <a/> match { + case <a> diff --git a/tests/untried/neg/xmltruncated6.check b/tests/untried/neg/xmltruncated6.check new file mode 100644 index 000000000..f638f2f09 --- /dev/null +++ b/tests/untried/neg/xmltruncated6.check @@ -0,0 +1,4 @@ +xmltruncated6.scala:2: error: in XML literal: expected end of Scala block + val stuff = <a>{ "no closing brace" + ^ +one error found diff --git a/tests/untried/neg/xmltruncated6.scala b/tests/untried/neg/xmltruncated6.scala new file mode 100644 index 000000000..c53faedb2 --- /dev/null +++ b/tests/untried/neg/xmltruncated6.scala @@ -0,0 +1,2 @@ +object Main { + val stuff = <a>{ "no closing brace" diff --git a/tests/untried/neg/xmltruncated7.check b/tests/untried/neg/xmltruncated7.check new file mode 100644 index 000000000..67e7bd4b1 --- /dev/null +++ b/tests/untried/neg/xmltruncated7.check @@ -0,0 +1,7 @@ +xmltruncated7.scala:2: error: in XML literal: in XML content, please use '}}' to express '}' + <p>foo}: </p> + ^ +xmltruncated7.scala:2: error: I encountered a '}' where I didn't expect one, maybe this tag isn't closed <p> + <p>foo}: </p> + ^ +two errors found diff --git a/tests/untried/neg/xmltruncated7.scala b/tests/untried/neg/xmltruncated7.scala new file mode 100644 index 000000000..7e296a910 --- /dev/null +++ b/tests/untried/neg/xmltruncated7.scala @@ -0,0 +1,3 @@ +object Test { + <p>foo}: </p> +}
\ No newline at end of file |