diff options
Diffstat (limited to 'test/files/neg')
1118 files changed, 10059 insertions, 2464 deletions
diff --git a/test/files/neg/abstract-class-2.scala b/test/files/neg/abstract-class-2.scala index be45a09343..19f74f3da6 100644 --- a/test/files/neg/abstract-class-2.scala +++ b/test/files/neg/abstract-class-2.scala @@ -1,7 +1,7 @@ class P { trait S1 val p = new P - + trait S2 { def f(x: p.S1): Int } @@ -10,5 +10,5 @@ class P { class P2 extends P { object O2 extends S2 { def f(x: S1) = 5 - } + } } diff --git a/test/files/neg/abstract-explaintypes.check b/test/files/neg/abstract-explaintypes.check new file mode 100644 index 0000000000..e303b45a32 --- /dev/null +++ b/test/files/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/test/files/neg/abstract-explaintypes.flags b/test/files/neg/abstract-explaintypes.flags new file mode 100644 index 0000000000..b36707c7cf --- /dev/null +++ b/test/files/neg/abstract-explaintypes.flags @@ -0,0 +1 @@ +-explaintypes diff --git a/test/files/neg/abstract-explaintypes.scala b/test/files/neg/abstract-explaintypes.scala new file mode 100644 index 0000000000..f8ecae16fa --- /dev/null +++ b/test/files/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/test/files/neg/abstract-inaccessible.check b/test/files/neg/abstract-inaccessible.check index 42b98ac026..d56f5691be 100644 --- a/test/files/neg/abstract-inaccessible.check +++ b/test/files/neg/abstract-inaccessible.check @@ -1,13 +1,15 @@ -abstract-inaccessible.scala:5: error: method implementMe in trait YourTrait references private[foo] trait Bippy. +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: error: method overrideMe in trait YourTrait references private[foo] trait Bippy. +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: error: method overrideMeAlso in trait YourTrait references private[foo] trait Bippy. +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 ^ -three errors found +error: No warnings can be incurred under -Xfatal-warnings. +three warnings found +one error found diff --git a/test/files/neg/abstract-inaccessible.scala b/test/files/neg/abstract-inaccessible.scala index 7eaaf2d620..3c80f30522 100644 --- a/test/files/neg/abstract-inaccessible.scala +++ b/test/files/neg/abstract-inaccessible.scala @@ -1,6 +1,6 @@ package foo { private[foo] trait Bippy { } - + trait YourTrait { def implementMe(f: Int => (String, Bippy)): Unit def overrideMe[T <: Bippy](x: T): T = x diff --git a/test/files/neg/abstract-report.check b/test/files/neg/abstract-report.check index bd550f39f4..1ffeac060b 100644 --- a/test/files/neg/abstract-report.check +++ b/test/files/neg/abstract-report.check @@ -7,7 +7,7 @@ it has 12 unimplemented members. 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 = ??? diff --git a/test/files/neg/abstract-report2.check b/test/files/neg/abstract-report2.check index 35a99bdd25..9be3d822f2 100644 --- a/test/files/neg/abstract-report2.check +++ b/test/files/neg/abstract-report2.check @@ -61,7 +61,7 @@ it has 13 unimplemented members. class Baz[T] extends Collection[T] ^ -abstract-report2.scala:11: error: class Dingus needs to be abstract, since: +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. @@ -78,15 +78,12 @@ it has 24 unimplemented members. 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.math.Ordering - def compare(x: List[Int],y: List[Int]): Int = ??? - + // 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 = ??? @@ -98,6 +95,9 @@ it has 24 unimplemented members. 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/test/files/neg/abstract-report2.scala b/test/files/neg/abstract-report2.scala index b6327b0766..8825340d4a 100644 --- a/test/files/neg/abstract-report2.scala +++ b/test/files/neg/abstract-report2.scala @@ -6,6 +6,10 @@ class Bar extends Collection[List[_ <: String]] class Baz[T] extends Collection[T] -trait Bippy[T1, T2, T3] extends Collection[T1] with TraversableOnce[(T2, String)] with Ordering[T3] +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]]
\ No newline at end of file diff --git a/test/files/neg/accesses.scala b/test/files/neg/accesses.scala index 290291586c..b1df6c0e6c 100644 --- a/test/files/neg/accesses.scala +++ b/test/files/neg/accesses.scala @@ -6,7 +6,7 @@ abstract class A { 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 diff --git a/test/files/neg/accesses2.check b/test/files/neg/accesses2.check new file mode 100644 index 0000000000..66cf9a116e --- /dev/null +++ b/test/files/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/test/files/neg/accesses2.scala b/test/files/neg/accesses2.scala new file mode 100644 index 0000000000..c7640f84b5 --- /dev/null +++ b/test/files/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/test/files/neg/ambiguous-float-dots.check b/test/files/neg/ambiguous-float-dots.check deleted file mode 100644 index 6c21056d7a..0000000000 --- a/test/files/neg/ambiguous-float-dots.check +++ /dev/null @@ -1,16 +0,0 @@ -ambiguous-float-dots.scala:2: error: This lexical syntax is deprecated. From scala 2.11, a dot will only be considered part of a number if it is immediately followed by a digit. - val x0 = 5. - ^ -ambiguous-float-dots.scala:6: error: This lexical syntax is deprecated. From scala 2.11, a dot will only be considered part of a number if it is immediately followed by a digit. - val x1 = 5.f - ^ -ambiguous-float-dots.scala:7: error: Treating numbers with a leading zero as octal is deprecated. - val y0 = 055 - ^ -ambiguous-float-dots.scala:11: error: This lexical syntax is deprecated. From scala 2.11, a dot will only be considered part of a number if it is immediately followed by a digit. - 1.+(2) - ^ -ambiguous-float-dots.scala:12: error: This lexical syntax is deprecated. From scala 2.11, a dot will only be considered part of a number if it is immediately followed by a digit. - 1. + 2 - ^ -5 errors found diff --git a/test/files/neg/ambiguous-float-dots.flags b/test/files/neg/ambiguous-float-dots.flags deleted file mode 100644 index 65faf53579..0000000000 --- a/test/files/neg/ambiguous-float-dots.flags +++ /dev/null @@ -1 +0,0 @@ --Xfatal-warnings -deprecation
\ No newline at end of file diff --git a/test/files/neg/ambiguous-float-dots.scala b/test/files/neg/ambiguous-float-dots.scala deleted file mode 100644 index 87e948db35..0000000000 --- a/test/files/neg/ambiguous-float-dots.scala +++ /dev/null @@ -1,14 +0,0 @@ -class A { - val x0 = 5. -} - -class B { - val x1 = 5.f - val y0 = 055 -} - -class D { - 1.+(2) - 1. + 2 - 1 + 2 -} diff --git a/test/files/neg/ambiguous-float-dots2.check b/test/files/neg/ambiguous-float-dots2.check index 8919d2c6a8..40c9b4186d 100644 --- a/test/files/neg/ambiguous-float-dots2.check +++ b/test/files/neg/ambiguous-float-dots2.check @@ -1,10 +1,7 @@ -ambiguous-float-dots2.scala:7: error: Non-zero numbers may not have a leading zero. - val y0 = 055 - ^ ambiguous-float-dots2.scala:3: error: identifier expected but '}' found. } ^ -ambiguous-float-dots2.scala:12: error: ';' expected but integer literal found. +ambiguous-float-dots2.scala:11: error: ';' expected but integer literal found. 1. + 2 ^ -three errors found +two errors found diff --git a/test/files/neg/ambiguous-float-dots2.scala b/test/files/neg/ambiguous-float-dots2.scala index 87e948db35..b1615c9273 100644 --- a/test/files/neg/ambiguous-float-dots2.scala +++ b/test/files/neg/ambiguous-float-dots2.scala @@ -4,7 +4,6 @@ class A { class B { val x1 = 5.f - val y0 = 055 } class D { diff --git a/test/files/neg/annot-nonconst.check b/test/files/neg/annot-nonconst.check index b43e58a0ca..5b3da7a13c 100644 --- a/test/files/neg/annot-nonconst.check +++ b/test/files/neg/annot-nonconst.check @@ -8,7 +8,7 @@ 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: n +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 diff --git a/test/files/neg/any-vs-anyref.check b/test/files/neg/any-vs-anyref.check index 63c4853130..7378f0495f 100644 --- a/test/files/neg/any-vs-anyref.check +++ b/test/files/neg/any-vs-anyref.check @@ -36,12 +36,28 @@ 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 @@ -61,4 +77,4 @@ any-vs-anyref.scala:27: error: type mismatch; required: Quux{def g(x: Int): Int} f(new Quux { def g(x: String) = x }) ^ -9 errors found +11 errors found diff --git a/test/files/neg/anytrait.scala b/test/files/neg/anytrait.scala index 1501486105..e76164f63d 100644 --- a/test/files/neg/anytrait.scala +++ b/test/files/neg/anytrait.scala @@ -1,7 +1,7 @@ trait T extends Any { var x = 1 - + { x += 1 } type T = Int diff --git a/test/files/neg/anyval-anyref-parent.check b/test/files/neg/anyval-anyref-parent.check index fe20e5de81..8a00fb394d 100644 --- a/test/files/neg/anyval-anyref-parent.check +++ b/test/files/neg/anyval-anyref-parent.check @@ -3,10 +3,10 @@ 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 needs to have exactly one public val parameter + ^ +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 diff --git a/test/files/neg/applydynamic_sip.check b/test/files/neg/applydynamic_sip.check index b50858356d..2cb2e7f095 100644 --- a/test/files/neg/applydynamic_sip.check +++ b/test/files/neg/applydynamic_sip.check @@ -4,9 +4,18 @@ applydynamic_sip.scala:7: error: applyDynamic does not support passing a vararg 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 @@ -28,6 +37,9 @@ 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 @@ -50,9 +62,12 @@ 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 ^ -11 errors found +16 errors found diff --git a/test/files/neg/array-not-seq.check b/test/files/neg/array-not-seq.check deleted file mode 100644 index a3a639e772..0000000000 --- a/test/files/neg/array-not-seq.check +++ /dev/null @@ -1,13 +0,0 @@ -array-not-seq.scala:2: error: An Array will no longer match as Seq[_]. - def f1(x: Any) = x.isInstanceOf[Seq[_]] - ^ -array-not-seq.scala:4: error: An Array will no longer match as Seq[_]. - case _: Seq[_] => true - ^ -array-not-seq.scala:16: error: An Array will no longer match as Seq[_]. - case (Some(_: Seq[_]), Nil, _) => 1 - ^ -array-not-seq.scala:17: error: An Array will no longer match as Seq[_]. - case (None, List(_: List[_], _), _) => 2 - ^ -four errors found diff --git a/test/files/neg/array-not-seq.flags b/test/files/neg/array-not-seq.flags deleted file mode 100644 index 4e9f7e4a56..0000000000 --- a/test/files/neg/array-not-seq.flags +++ /dev/null @@ -1 +0,0 @@ --Xmigration -Xfatal-warnings
\ No newline at end of file diff --git a/test/files/neg/array-not-seq.scala b/test/files/neg/array-not-seq.scala deleted file mode 100644 index 5f367bdd85..0000000000 --- a/test/files/neg/array-not-seq.scala +++ /dev/null @@ -1,26 +0,0 @@ -object Test { - def f1(x: Any) = x.isInstanceOf[Seq[_]] - def f2(x: Any) = x match { - case _: Seq[_] => true - case _ => false - } - - def f3(x: Any) = x match { - case _: Array[_] => true - case _ => false - } - - def f4(x: Any) = x.isInstanceOf[Traversable[_]] - - def f5(x1: Any, x2: Any, x3: AnyRef) = (x1, x2, x3) match { - case (Some(_: Seq[_]), Nil, _) => 1 - case (None, List(_: List[_], _), _) => 2 - case _ => 3 - } - - def main(args: Array[String]): Unit = { - // println(f1(Array(1))) - // println(f2(Array(1))) - // println(f3(Array(1)) - } -} diff --git a/test/files/neg/bad-advice.check b/test/files/neg/bad-advice.check new file mode 100644 index 0000000000..03b3e4f616 --- /dev/null +++ b/test/files/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/test/files/neg/bad-advice.flags b/test/files/neg/bad-advice.flags new file mode 100644 index 0000000000..e8fb65d50c --- /dev/null +++ b/test/files/neg/bad-advice.flags @@ -0,0 +1 @@ +-Xfatal-warnings
\ No newline at end of file diff --git a/test/files/neg/bad-advice.scala b/test/files/neg/bad-advice.scala new file mode 100644 index 0000000000..b1955330d7 --- /dev/null +++ b/test/files/neg/bad-advice.scala @@ -0,0 +1,6 @@ +object Bip +object Test { + def f(x: Int) = x match { + case Bip => true + } +} diff --git a/test/files/neg/case-collision.check b/test/files/neg/case-collision.check index 4edc6f1205..22cf105a4f 100644 --- a/test/files/neg/case-collision.check +++ b/test/files/neg/case-collision.check @@ -1,10 +1,12 @@ -case-collision.scala:5: error: Class foo.BIPPY differs only in case from foo.Bippy. Such classes will overwrite one another on case-insensitive filesystems. +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: error: Class foo.HyRaX$ differs only in case from foo.Hyrax$. Such classes will overwrite one another on case-insensitive filesystems. +case-collision.scala:11: warning: Class foo.HyRaX$ differs only in case from foo.Hyrax$. Such classes will overwrite one another on case-insensitive filesystems. object HyRaX ^ -case-collision.scala:8: error: Class foo.DINGO$ differs only in case from foo.Dingo$. Such classes will overwrite one another on case-insensitive filesystems. +case-collision.scala:8: warning: Class foo.DINGO$ differs only in case from foo.Dingo$. Such classes will overwrite one another on case-insensitive filesystems. object DINGO ^ -three errors found +error: No warnings can be incurred under -Xfatal-warnings. +three warnings found +one error found diff --git a/test/files/neg/case-collision.flags b/test/files/neg/case-collision.flags index 85d8eb2ba2..14c1069dee 100644 --- a/test/files/neg/case-collision.flags +++ b/test/files/neg/case-collision.flags @@ -1 +1 @@ --Xfatal-warnings +-Ybackend:GenASM -Xfatal-warnings diff --git a/test/files/neg/case-collision2.check b/test/files/neg/case-collision2.check new file mode 100644 index 0000000000..b8481f46bb --- /dev/null +++ b/test/files/neg/case-collision2.check @@ -0,0 +1,12 @@ +case-collision2.scala:5: warning: Class foo.BIPPY differs only in case from foo.Bippy. Such classes will overwrite one another on case-insensitive filesystems. +class BIPPY + ^ +case-collision2.scala:8: warning: Class foo.DINGO$ 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/test/files/neg/case-collision2.flags b/test/files/neg/case-collision2.flags new file mode 100644 index 0000000000..5bfa9da5c5 --- /dev/null +++ b/test/files/neg/case-collision2.flags @@ -0,0 +1 @@ +-Ynooptimize -Ybackend:GenBCode -Xfatal-warnings diff --git a/test/files/neg/case-collision2.scala b/test/files/neg/case-collision2.scala new file mode 100644 index 0000000000..924e33005a --- /dev/null +++ b/test/files/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/test/files/neg/catch-all.check b/test/files/neg/catch-all.check index 62f895cc7e..aaf51480c3 100644 --- a/test/files/neg/catch-all.check +++ b/test/files/neg/catch-all.check @@ -1,10 +1,12 @@ -catch-all.scala:2: error: This catches all Throwables. If this is really intended, use `case _ : Throwable` to clear this warning. +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: error: This catches all Throwables. If this is really intended, use `case x : Throwable` to clear this warning. +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: error: This catches all Throwables. If this is really intended, use `case x : Throwable` to clear this warning. +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 => } ^ -three errors found +error: No warnings can be incurred under -Xfatal-warnings. +three warnings found +one error found diff --git a/test/files/neg/check-dead.check b/test/files/neg/check-dead.check index 29601c1d4a..2150a942bf 100644 --- a/test/files/neg/check-dead.check +++ b/test/files/neg/check-dead.check @@ -1,13 +1,15 @@ -check-dead.scala:7: error: dead code following this construct +check-dead.scala:7: warning: dead code following this construct def z1 = y1(throw new Exception) // should warn ^ -check-dead.scala:10: error: dead code following this construct +check-dead.scala:10: warning: dead code following this construct def z2 = y2(throw new Exception) // should warn ^ -check-dead.scala:29: error: dead code following this construct +check-dead.scala:29: warning: dead code following this construct throw new Exception // should warn ^ -check-dead.scala:33: error: dead code following this construct +check-dead.scala:33: warning: dead code following this construct throw new Exception // should warn ^ -four errors found +error: No warnings can be incurred under -Xfatal-warnings. +four warnings found +one error found diff --git a/test/files/neg/check-dead.scala b/test/files/neg/check-dead.scala index aadd788814..2d5bccb21d 100644 --- a/test/files/neg/check-dead.scala +++ b/test/files/neg/check-dead.scala @@ -5,11 +5,11 @@ object Other { 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 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 @@ -22,9 +22,9 @@ class NoDeads { 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 @@ -32,6 +32,6 @@ class NoDeads { def yeswarn2: Int = synchronized { throw new Exception // should warn return 5 - } + } } diff --git a/test/files/neg/checksensible.check b/test/files/neg/checksensible.check index d785179a56..e5f1a38d96 100644 --- a/test/files/neg/checksensible.check +++ b/test/files/neg/checksensible.check @@ -1,100 +1,102 @@ -checksensible.scala:13: error: comparing a fresh object using `eq' will always yield false +checksensible.scala:13: warning: comparing a fresh object using `eq' will always yield false (new AnyRef) eq (new AnyRef) ^ -checksensible.scala:14: error: comparing a fresh object using `ne' will always yield true +checksensible.scala:14: warning: comparing a fresh object using `ne' will always yield true (new AnyRef) ne (new AnyRef) ^ -checksensible.scala:15: error: comparing a fresh object using `eq' will always yield false +checksensible.scala:15: warning: comparing a fresh object using `eq' will always yield false Shmoopie eq (new AnyRef) ^ -checksensible.scala:16: error: comparing a fresh object using `eq' will always yield false +checksensible.scala:16: warning: comparing a fresh object using `eq' will always yield false (Shmoopie: AnyRef) eq (new AnyRef) ^ -checksensible.scala:17: error: comparing a fresh object using `eq' will always yield false +checksensible.scala:17: warning: comparing a fresh object using `eq' will always yield false (new AnyRef) eq Shmoopie ^ -checksensible.scala:18: error: comparing a fresh object using `eq' will always yield false +checksensible.scala:18: warning: comparing a fresh object using `eq' will always yield false (new AnyRef) eq null ^ -checksensible.scala:19: error: comparing a fresh object using `eq' will always yield false +checksensible.scala:19: warning: comparing a fresh object using `eq' will always yield false null eq new AnyRef ^ -checksensible.scala:26: error: comparing values of types Unit and Int using `==' will always yield false +checksensible.scala:26: warning: comparing values of types Unit and Int using `==' will always yield false (c = 1) == 0 ^ -checksensible.scala:27: error: comparing values of types Int and Unit using `==' will always yield false +checksensible.scala:27: warning: comparing values of types Int and Unit using `==' will always yield false 0 == (c = 1) ^ -checksensible.scala:29: error: comparing values of types Int and String using `==' will always yield false +checksensible.scala:29: warning: comparing values of types Int and String using `==' will always yield false 1 == "abc" ^ -checksensible.scala:33: error: comparing values of types Some[Int] and Int using `==' will always yield false +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: error: comparing a fresh object using `==' will always yield false +checksensible.scala:38: warning: comparing a fresh object using `==' will always yield false new AnyRef == 1 ^ -checksensible.scala:41: error: comparing values of types Int and Boolean using `==' will always yield false +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: error: comparing values of types Int and Boolean using `!=' will always yield true +checksensible.scala:43: warning: comparing values of types Int and Boolean using `!=' will always yield true 1 != true ^ -checksensible.scala:44: error: comparing values of types Unit and Boolean using `==' will always yield false +checksensible.scala:44: warning: comparing values of types Unit and Boolean using `==' will always yield false () == true ^ -checksensible.scala:45: error: comparing values of types Unit and Unit using `==' will always yield true +checksensible.scala:45: warning: comparing values of types Unit and Unit using `==' will always yield true () == () ^ -checksensible.scala:46: error: 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: error: comparing values of types Unit and scala.runtime.BoxedUnit using `==' will always yield true +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: error: comparing values of types scala.runtime.BoxedUnit and Unit using `!=' will always yield 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: error: comparing values of types Int and Unit using `!=' will always yield true +checksensible.scala:51: warning: comparing values of types Int and Unit using `!=' will always yield true (1 != println) ^ -checksensible.scala:52: error: comparing values of types Int and Symbol using `!=' will always yield true +checksensible.scala:52: warning: comparing values of types Int and Symbol using `!=' will always yield true (1 != 'sym) ^ -checksensible.scala:58: error: comparing a fresh object using `==' will always yield false +checksensible.scala:58: warning: comparing a fresh object using `==' will always yield false ((x: Int) => x + 1) == null ^ -checksensible.scala:59: error: comparing a fresh object using `==' will always yield false +checksensible.scala:59: warning: comparing a fresh object using `==' will always yield false Bep == ((_: Int) + 1) ^ -checksensible.scala:61: error: comparing a fresh object using `==' will always yield false +checksensible.scala:61: warning: comparing a fresh object using `==' will always yield false new Object == new Object ^ -checksensible.scala:62: error: comparing a fresh object using `==' will always yield false +checksensible.scala:62: warning: comparing a fresh object using `==' will always yield false new Object == "abc" ^ -checksensible.scala:63: error: comparing a fresh object using `!=' will always yield true +checksensible.scala:63: warning: comparing a fresh object using `!=' will always yield true new Exception() != new Exception() ^ -checksensible.scala:66: error: comparing values of types Int and Null using `==' will always yield false +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: error: comparing values of types Bip and Bop using `==' will always yield false +checksensible.scala:71: warning: comparing values of types Bip and Bop using `==' will always yield false (x1 == x2) ^ -checksensible.scala:81: error: comparing values of types EqEqRefTest.this.C3 and EqEqRefTest.this.Z1 using `==' will always yield false +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: error: comparing values of types EqEqRefTest.this.Z1 and EqEqRefTest.this.C3 using `==' will always yield false +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: error: comparing values of types EqEqRefTest.this.Z1 and EqEqRefTest.this.C3 using `!=' will always yield true +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: error: comparing values of types EqEqRefTest.this.C3 and String using `!=' will always yield true +checksensible.scala:84: warning: comparing values of types EqEqRefTest.this.C3 and String using `!=' will always yield true c3 != "abc" ^ -checksensible.scala:95: error: comparing values of types Unit and Int using `!=' will always yield true +checksensible.scala:95: warning: comparing values of types Unit and Int using `!=' will always yield true while ((c = in.read) != -1) ^ -33 errors found +error: No warnings can be incurred under -Xfatal-warnings. +33 warnings found +one error found diff --git a/test/files/neg/checksensible.scala b/test/files/neg/checksensible.scala index 27ee908153..b6083f75e4 100644 --- a/test/files/neg/checksensible.scala +++ b/test/files/neg/checksensible.scala @@ -9,7 +9,7 @@ final class Zing { // 7 warnings class RefEqTest { object Shmoopie - + (new AnyRef) eq (new AnyRef) (new AnyRef) ne (new AnyRef) Shmoopie eq (new AnyRef) @@ -22,10 +22,10 @@ class RefEqTest { // 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 @@ -34,12 +34,12 @@ class EqEqValTest { 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 () == () @@ -47,13 +47,13 @@ class EqEqValTest { () == 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 { +class EqEqRefTest { val ref = new Bop ((x: Int) => x + 1) == null Bep == ((_: Int) + 1) @@ -67,9 +67,9 @@ class EqEqRefTest { // final classes with default equals val x1 = new Bip - val x2 = new Bop + val x2 = new Bop (x1 == x2) - + class C1 { } class C2 extends C1 { } final class Z1 extends C2 { } @@ -84,14 +84,14 @@ class EqEqRefTest { 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 + var c = 0 while ((c = in.read) != -1) print(c.toChar) diff --git a/test/files/neg/choices.check b/test/files/neg/choices.check index 3e63f9999d..b114394e96 100644 --- a/test/files/neg/choices.check +++ b/test/files/neg/choices.check @@ -1,2 +1,2 @@ -partest error: bad flags: -Ylinearizer +error: bad options: -Yresolve-term-conflict one error found diff --git a/test/files/neg/choices.flags b/test/files/neg/choices.flags index 5464a18c5d..9718467d4c 100644 --- a/test/files/neg/choices.flags +++ b/test/files/neg/choices.flags @@ -1 +1 @@ --Ylinearizer
\ No newline at end of file +-Yresolve-term-conflict diff --git a/test/files/neg/choices.scala b/test/files/neg/choices.scala index fe9236f10f..8827494874 100644 --- a/test/files/neg/choices.scala +++ b/test/files/neg/choices.scala @@ -1,5 +1,5 @@ object Test { def main(args: Array[String]): Unit = { - + } } diff --git a/test/files/neg/class-of-double-targs.check b/test/files/neg/class-of-double-targs.check new file mode 100644 index 0000000000..f7e2094f97 --- /dev/null +++ b/test/files/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/test/files/neg/class-of-double-targs.scala b/test/files/neg/class-of-double-targs.scala new file mode 100644 index 0000000000..26a2fa8381 --- /dev/null +++ b/test/files/neg/class-of-double-targs.scala @@ -0,0 +1,3 @@ +object Test { + classOf[Int][Int] +} diff --git a/test/files/neg/classmanifests_new_deprecations.check b/test/files/neg/classmanifests_new_deprecations.check index 4ad4a12b3e..fd1e2728c3 100644 --- a/test/files/neg/classmanifests_new_deprecations.check +++ b/test/files/neg/classmanifests_new_deprecations.check @@ -1,25 +1,27 @@ -classmanifests_new_deprecations.scala:2: error: type ClassManifest in object Predef is deprecated: Use scala.reflect.ClassTag instead +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: error: type ClassManifest in object Predef is deprecated: Use scala.reflect.ClassTag instead +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: error: type ClassManifest in object Predef is deprecated: Use scala.reflect.ClassTag instead +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: error: type ClassManifest in package reflect is deprecated: Use scala.reflect.ClassTag instead +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: error: type ClassManifest in package reflect is deprecated: Use scala.reflect.ClassTag instead +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: error: type ClassManifest in package reflect is deprecated: Use scala.reflect.ClassTag instead +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: error: type ClassManifest in object Predef is deprecated: Use scala.reflect.ClassTag instead +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: error: type ClassManifest in package reflect is deprecated: Use scala.reflect.ClassTag instead +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] ^ -8 errors found +error: No warnings can be incurred under -Xfatal-warnings. +8 warnings found +one error found diff --git a/test/files/neg/compile-time-only-a.check b/test/files/neg/compile-time-only-a.check new file mode 100644 index 0000000000..9bc96f6b9b --- /dev/null +++ b/test/files/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/test/files/neg/compile-time-only-a.scala b/test/files/neg/compile-time-only-a.scala new file mode 100644 index 0000000000..533175a699 --- /dev/null +++ b/test/files/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) +}
\ No newline at end of file diff --git a/test/files/neg/compile-time-only-b.check b/test/files/neg/compile-time-only-b.check new file mode 100644 index 0000000000..50cdf57fb5 --- /dev/null +++ b/test/files/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/test/files/neg/compile-time-only-b.scala b/test/files/neg/compile-time-only-b.scala new file mode 100644 index 0000000000..d5568dbe67 --- /dev/null +++ b/test/files/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 +}
\ No newline at end of file diff --git a/test/files/neg/constructor-init-order.check b/test/files/neg/constructor-init-order.check new file mode 100644 index 0000000000..9ab6ac5923 --- /dev/null +++ b/test/files/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/test/files/neg/constructor-init-order.flags b/test/files/neg/constructor-init-order.flags new file mode 100644 index 0000000000..85d8eb2ba2 --- /dev/null +++ b/test/files/neg/constructor-init-order.flags @@ -0,0 +1 @@ +-Xfatal-warnings diff --git a/test/files/neg/constructor-init-order.scala b/test/files/neg/constructor-init-order.scala new file mode 100644 index 0000000000..fe8fec87ad --- /dev/null +++ b/test/files/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/test/files/neg/cycle-bounds.check b/test/files/neg/cycle-bounds.check new file mode 100644 index 0000000000..d924838aec --- /dev/null +++ b/test/files/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/test/files/neg/cycle-bounds.flags b/test/files/neg/cycle-bounds.flags new file mode 100644 index 0000000000..ca20f55172 --- /dev/null +++ b/test/files/neg/cycle-bounds.flags @@ -0,0 +1 @@ +-Ybreak-cycles diff --git a/test/files/neg/cycle-bounds.scala b/test/files/neg/cycle-bounds.scala new file mode 100644 index 0000000000..0b43bc703e --- /dev/null +++ b/test/files/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/test/files/neg/cyclics-import.check b/test/files/neg/cyclics-import.check index ef355fab0a..be09fca374 100644 --- a/test/files/neg/cyclics-import.check +++ b/test/files/neg/cyclics-import.check @@ -3,13 +3,4 @@ Note: this is often due in part to a class depending on a definition nested with If applicable, you may wish to try moving some members into another object. import User.UserStatus._ ^ -cyclics-import.scala:12: error: not found: type Value - type UserStatus = Value - ^ -cyclics-import.scala:14: error: not found: value Value - val Active = Value("1") - ^ -cyclics-import.scala:15: error: not found: value Value - val Disabled = Value("2") - ^ -four errors found +one error found diff --git a/test/files/neg/dbldef.check b/test/files/neg/dbldef.check index 3ee63475e4..b896c4cdcf 100644 --- a/test/files/neg/dbldef.check +++ b/test/files/neg/dbldef.check @@ -6,9 +6,7 @@ dbldef.scala:1: error: type mismatch; required: Int case class test0(x: Int, x: Float) ^ -dbldef.scala:1: error: type mismatch; - found : Float - required: Int +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/test/files/neg/delayed-init-ref.check b/test/files/neg/delayed-init-ref.check index 42ccabed1b..90bc027969 100644 --- a/test/files/neg/delayed-init-ref.check +++ b/test/files/neg/delayed-init-ref.check @@ -1,10 +1,16 @@ -delayed-init-ref.scala:17: error: Selecting value vall from object O, which extends scala.DelayedInit, is likely to yield an uninitialized value +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: error: Selecting value vall from object O, which extends scala.DelayedInit, is likely to yield an uninitialized value +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:40: error: Selecting value foo from trait UserContext, which extends scala.DelayedInit, is likely to yield an uninitialized value +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) ^ -three errors found +error: No warnings can be incurred under -Xfatal-warnings. +four warnings found +one error found diff --git a/test/files/neg/delayed-init-ref.flags b/test/files/neg/delayed-init-ref.flags index 7949c2afa2..88a3e4c676 100644 --- a/test/files/neg/delayed-init-ref.flags +++ b/test/files/neg/delayed-init-ref.flags @@ -1 +1 @@ --Xlint -Xfatal-warnings +-deprecation -Xlint -Xfatal-warnings diff --git a/test/files/neg/divergent-implicit.check b/test/files/neg/divergent-implicit.check index 5f20df1b91..d4a3ddfc71 100644 --- a/test/files/neg/divergent-implicit.check +++ b/test/files/neg/divergent-implicit.check @@ -4,15 +4,17 @@ divergent-implicit.scala:4: error: type mismatch; val x1: String = 1 ^ divergent-implicit.scala:5: error: diverging implicit expansion for type Int => String -starting with method cast in object Test1 +starting with method $conforms in object Predef val x2: String = cast[Int, String](1) ^ -divergent-implicit.scala:14: error: diverging implicit expansion for type Test2.Baz => Test2.Bar -starting with method baz2bar in object Test2 +divergent-implicit.scala:14: error: type mismatch; + found : Test2.Foo + required: Test2.Bar val x: Bar = new Foo ^ -divergent-implicit.scala:15: error: diverging implicit expansion for type Test2.Foo => Test2.Bar -starting with method foo2bar in object Test2 +divergent-implicit.scala:15: error: type mismatch; + found : Test2.Baz + required: Test2.Bar val y: Bar = new Baz ^ four errors found diff --git a/test/files/neg/dotless-targs.check b/test/files/neg/dotless-targs.check new file mode 100644 index 0000000000..4aab939f61 --- /dev/null +++ b/test/files/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/test/files/neg/dotless-targs.scala b/test/files/neg/dotless-targs.scala new file mode 100644 index 0000000000..eff63cbec4 --- /dev/null +++ b/test/files/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/test/files/neg/double-def-top-level.check b/test/files/neg/double-def-top-level.check new file mode 100644 index 0000000000..85b16e81e5 --- /dev/null +++ b/test/files/neg/double-def-top-level.check @@ -0,0 +1,7 @@ +D_3.scala:1: error: C is already defined as class C +class C + ^ +D_3.scala:2: error: O is already defined as object O +object O + ^ +two errors found diff --git a/test/files/neg/double-def-top-level/A_1.scala b/test/files/neg/double-def-top-level/A_1.scala new file mode 100644 index 0000000000..c3d68d9d05 --- /dev/null +++ b/test/files/neg/double-def-top-level/A_1.scala @@ -0,0 +1,4 @@ +package p + +class C +object O diff --git a/test/files/neg/double-def-top-level/B_2.scala b/test/files/neg/double-def-top-level/B_2.scala new file mode 100644 index 0000000000..c328e8c964 --- /dev/null +++ b/test/files/neg/double-def-top-level/B_2.scala @@ -0,0 +1,2 @@ +class C /* noerror */ +object O /* noerror */
\ No newline at end of file diff --git a/test/files/neg/double-def-top-level/C_3.scala b/test/files/neg/double-def-top-level/C_3.scala new file mode 100644 index 0000000000..e1c327c15a --- /dev/null +++ b/test/files/neg/double-def-top-level/C_3.scala @@ -0,0 +1,2 @@ +class C +object O
\ No newline at end of file diff --git a/test/files/neg/double-def-top-level/D_3.scala b/test/files/neg/double-def-top-level/D_3.scala new file mode 100644 index 0000000000..518e0d1c54 --- /dev/null +++ b/test/files/neg/double-def-top-level/D_3.scala @@ -0,0 +1,2 @@ +class C +object O diff --git a/test/files/neg/eta-expand-star-deprecation.check b/test/files/neg/eta-expand-star-deprecation.check new file mode 100644 index 0000000000..a79f0df76c --- /dev/null +++ b/test/files/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/test/files/neg/eta-expand-star-deprecation.flags b/test/files/neg/eta-expand-star-deprecation.flags new file mode 100644 index 0000000000..5ac8b638e4 --- /dev/null +++ b/test/files/neg/eta-expand-star-deprecation.flags @@ -0,0 +1 @@ +-Yeta-expand-keeps-star -deprecation -Xfatal-warnings diff --git a/test/files/neg/eta-expand-star-deprecation.scala b/test/files/neg/eta-expand-star-deprecation.scala new file mode 100644 index 0000000000..5749692522 --- /dev/null +++ b/test/files/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/test/files/neg/exhausting.check b/test/files/neg/exhausting.check index 0f0d13cb33..619849693c 100644 --- a/test/files/neg/exhausting.check +++ b/test/files/neg/exhausting.check @@ -1,25 +1,27 @@ -exhausting.scala:21: error: match may not be exhaustive. -It would fail on the following input: List(_, _, _) +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: error: match may not be exhaustive. +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: error: match may not be exhaustive. +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: error: match may not be exhaustive. +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: error: match may not be exhaustive. +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: error: match may not be exhaustive. +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 { ^ -6 errors found +error: No warnings can be incurred under -Xfatal-warnings. +6 warnings found +one error found diff --git a/test/files/neg/exhausting.scala b/test/files/neg/exhausting.scala index 5554ee2671..c00569c91d 100644 --- a/test/files/neg/exhausting.scala +++ b/test/files/neg/exhausting.scala @@ -3,7 +3,7 @@ object Test { 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" } @@ -17,7 +17,7 @@ object Test { case (_: Foo[_], _: Foo[_]) => () } - // fails for: ::(_, ::(_, ::(_, _))) + // fails for: ::(_, Nil), ::(_, ::(_, ::(_, _))), ... def fail1[T](xs: List[T]) = xs match { case Nil => "ok" case x :: y :: Nil => "ok" diff --git a/test/files/neg/forgot-interpolator.check b/test/files/neg/forgot-interpolator.check new file mode 100644 index 0000000000..8988458982 --- /dev/null +++ b/test/files/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/test/files/neg/forgot-interpolator.flags b/test/files/neg/forgot-interpolator.flags new file mode 100644 index 0000000000..7949c2afa2 --- /dev/null +++ b/test/files/neg/forgot-interpolator.flags @@ -0,0 +1 @@ +-Xlint -Xfatal-warnings diff --git a/test/files/neg/forgot-interpolator.scala b/test/files/neg/forgot-interpolator.scala new file mode 100644 index 0000000000..a53054d890 --- /dev/null +++ b/test/files/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/test/files/neg/forward.scala b/test/files/neg/forward.scala index 3774fa838f..d5c0851f09 100644 --- a/test/files/neg/forward.scala +++ b/test/files/neg/forward.scala @@ -5,20 +5,20 @@ object Test { { 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/test/files/neg/found-req-variance.scala b/test/files/neg/found-req-variance.scala index fd3b11160e..024b24c367 100644 --- a/test/files/neg/found-req-variance.scala +++ b/test/files/neg/found-req-variance.scala @@ -27,7 +27,7 @@ object Test { 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] @@ -43,12 +43,12 @@ 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 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 @@ -57,7 +57,7 @@ object Functions { 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 @@ -74,7 +74,7 @@ object Functions { // 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) // } @@ -82,12 +82,12 @@ object Functions { 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 { +object Misc { // original motivation class Data[A <: AnyVal] class MyData extends Data[Int] { } diff --git a/test/files/neg/gadts1.check b/test/files/neg/gadts1.check index a5e3e0de10..9b7ea5556a 100644 --- a/test/files/neg/gadts1.check +++ b/test/files/neg/gadts1.check @@ -1,8 +1,3 @@ -gadts1.scala:15: error: type mismatch; - found : Test.Double - required: a - case NumTerm(n) => c.x = Double(1.0) - ^ gadts1.scala:20: error: Test.Cell[a] does not take parameters case Cell[a](x: Int) => c.x = 5 ^ @@ -11,4 +6,4 @@ gadts1.scala:20: error: type mismatch; required: a case Cell[a](x: Int) => c.x = 5 ^ -three errors found +two errors found diff --git a/test/files/neg/gadts1.scala b/test/files/neg/gadts1.scala index 1fb6e57e2d..08403e6eec 100644 --- a/test/files/neg/gadts1.scala +++ b/test/files/neg/gadts1.scala @@ -11,8 +11,8 @@ 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 { + case NumTerm(n) => c.x = Double(1.0) } t match { // presently testing that this gets past the parser: eventually diff --git a/test/files/neg/gadts2-strict.check b/test/files/neg/gadts2-strict.check new file mode 100644 index 0000000000..960b35ed2f --- /dev/null +++ b/test/files/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/test/files/neg/gadts2-strict.flags b/test/files/neg/gadts2-strict.flags new file mode 100644 index 0000000000..19243266d1 --- /dev/null +++ b/test/files/neg/gadts2-strict.flags @@ -0,0 +1 @@ +-Xstrict-inference
\ No newline at end of file diff --git a/test/files/neg/gadts2-strict.scala b/test/files/neg/gadts2-strict.scala new file mode 100644 index 0000000000..54978b7712 --- /dev/null +++ b/test/files/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]) { + t match { + case NumTerm(n) => c.x = MyDouble(1.0) + } + } + + val x: Term[Number] = NumTerm(MyInt(5)) + + def main(args: Array[String]) { + val cell = Cell[Number](MyInt(6)) + Console.println(cell) + f[Number](new NumTerm(MyInt(5)), cell) + Console.println(cell) + } +} diff --git a/test/files/neg/gadts2.check b/test/files/neg/gadts2.check new file mode 100644 index 0000000000..dc21f3f52c --- /dev/null +++ b/test/files/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/test/files/neg/gadts2.flags b/test/files/neg/gadts2.flags new file mode 100644 index 0000000000..19243266d1 --- /dev/null +++ b/test/files/neg/gadts2.flags @@ -0,0 +1 @@ +-Xstrict-inference
\ No newline at end of file diff --git a/test/files/neg/gadts2.scala b/test/files/neg/gadts2.scala new file mode 100644 index 0000000000..156944b8d9 --- /dev/null +++ b/test/files/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/test/files/neg/implicits.scala b/test/files/neg/implicits.scala index 878d3a7c99..22633a1f35 100644 --- a/test/files/neg/implicits.scala +++ b/test/files/neg/implicits.scala @@ -4,14 +4,14 @@ 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._ @@ -33,7 +33,7 @@ object test2 { 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) } @@ -55,7 +55,7 @@ class Mxml { } -} +} // SI-5316 class Test3 { diff --git a/test/files/neg/import-precedence.check b/test/files/neg/import-precedence.check new file mode 100644 index 0000000000..5f99611052 --- /dev/null +++ b/test/files/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/test/files/neg/import-precedence.scala b/test/files/neg/import-precedence.scala new file mode 100644 index 0000000000..0401635e32 --- /dev/null +++ b/test/files/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/test/files/neg/java-access-neg/J.java b/test/files/neg/java-access-neg/J.java index 4f2024673c..b6bc3363a1 100644 --- a/test/files/neg/java-access-neg/J.java +++ b/test/files/neg/java-access-neg/J.java @@ -4,11 +4,11 @@ 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/test/files/neg/java-access-neg/S2.scala b/test/files/neg/java-access-neg/S2.scala index dd0af8d39d..b082bb7174 100644 --- a/test/files/neg/java-access-neg/S2.scala +++ b/test/files/neg/java-access-neg/S2.scala @@ -12,7 +12,7 @@ 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() = () @@ -32,7 +32,7 @@ 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() = () @@ -43,7 +43,7 @@ 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() = () @@ -54,7 +54,7 @@ class S5 extends J { def packageAbstract() = () // fail def protectedAbstract() = () def publicAbstract() = () - + override def packageConcrete() = () // fail override def protectedConcrete() = () override def publicConcrete() = () diff --git a/test/files/neg/javaConversions-2.10-ambiguity.check b/test/files/neg/javaConversions-2.10-ambiguity.check deleted file mode 100644 index c064a22964..0000000000 --- a/test/files/neg/javaConversions-2.10-ambiguity.check +++ /dev/null @@ -1,6 +0,0 @@ -javaConversions-2.10-ambiguity.scala:8: error: type mismatch; - found : scala.collection.concurrent.Map[String,String] - required: scala.collection.mutable.ConcurrentMap[String,String] - assertType[mutable.ConcurrentMap[String, String]](a) - ^ -one error found diff --git a/test/files/neg/javaConversions-2.10-ambiguity.scala b/test/files/neg/javaConversions-2.10-ambiguity.scala deleted file mode 100644 index e856846a29..0000000000 --- a/test/files/neg/javaConversions-2.10-ambiguity.scala +++ /dev/null @@ -1,10 +0,0 @@ -import collection.{JavaConversions, mutable, concurrent} -import JavaConversions._ -import java.util.concurrent.{ConcurrentHashMap => CHM} - -object Bar { - def assertType[T](t: T) = t - val a = new CHM[String, String]() += (("", "")) - assertType[mutable.ConcurrentMap[String, String]](a) -} -// vim: set et: diff --git a/test/files/neg/lazy-override.scala b/test/files/neg/lazy-override.scala index a0f6e3bd73..f41d7f038b 100644 --- a/test/files/neg/lazy-override.scala +++ b/test/files/neg/lazy-override.scala @@ -5,7 +5,7 @@ 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 } diff --git a/test/files/neg/lazyvals.scala b/test/files/neg/lazyvals.scala index bbc4fe114a..f92534f506 100644 --- a/test/files/neg/lazyvals.scala +++ b/test/files/neg/lazyvals.scala @@ -1,7 +1,7 @@ /** Test which should fail compilation */ class Lazy { - + // no abstract lazy values lazy val t: Int @@ -31,7 +31,7 @@ object T2 { 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 } diff --git a/test/files/neg/literate_existentials.check b/test/files/neg/literate_existentials.check new file mode 100644 index 0000000000..c98f976f79 --- /dev/null +++ b/test/files/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/test/files/neg/literate_existentials.scala b/test/files/neg/literate_existentials.scala new file mode 100644 index 0000000000..8580347bf9 --- /dev/null +++ b/test/files/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/test/files/neg/logImplicits.check b/test/files/neg/logImplicits.check index 54afc6f86d..270882b71a 100644 --- a/test/files/neg/logImplicits.check +++ b/test/files/neg/logImplicits.check @@ -7,10 +7,10 @@ logImplicits.scala:7: applied implicit conversion from String("abc") to ?{def ma 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 any2ArrowAssoc[A](x: A): ArrowAssoc[A] +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(x: Any): scala.runtime.StringAdd +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 diff --git a/test/files/neg/logImplicits.scala b/test/files/neg/logImplicits.scala index fb5dd8a025..caf827163c 100644 --- a/test/files/neg/logImplicits.scala +++ b/test/files/neg/logImplicits.scala @@ -9,9 +9,9 @@ class B { object C { final val x = "abc" - + implicit def convert(p: x.type): Int = 123 - + math.max(122, x: Int) } diff --git a/test/files/neg/lubs.check b/test/files/neg/lubs.check index 77ab20102c..affbd4983c 100644 --- a/test/files/neg/lubs.check +++ b/test/files/neg/lubs.check @@ -1,5 +1,10 @@ +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[test1.A[Any]]] + found : test1.A[test1.A[Object]] required: test1.A[test1.A[test1.A[test1.A[Any]]]] val x4: A[A[A[A[Any]]]] = f ^ @@ -13,4 +18,4 @@ lubs.scala:25: error: type mismatch; 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 ^ -three errors found +four errors found diff --git a/test/files/neg/lubs.scala b/test/files/neg/lubs.scala index 639117f7bf..3524fa4d87 100644 --- a/test/files/neg/lubs.scala +++ b/test/files/neg/lubs.scala @@ -18,7 +18,7 @@ object test2 { 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 diff --git a/test/files/neg/macro-abort/Macros_1.scala b/test/files/neg/macro-abort/Macros_1.scala index 676c112098..2077e99ad7 100644 --- a/test/files/neg/macro-abort/Macros_1.scala +++ b/test/files/neg/macro-abort/Macros_1.scala @@ -1,5 +1,5 @@ import scala.language.experimental.macros -import scala.reflect.macros.Context +import scala.reflect.macros.blackbox.Context object Macros { def impl(c: Context) = { diff --git a/test/files/neg/macro-basic-mamdmi.check b/test/files/neg/macro-basic-mamdmi.check index c7b58d70d2..61df5131cc 100644 --- a/test/files/neg/macro-basic-mamdmi.check +++ b/test/files/neg/macro-basic-mamdmi.check @@ -1,4 +1,5 @@ -Impls_Macros_Test_1.scala:36: 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) +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/test/files/neg/macro-basic-mamdmi/Impls_Macros_Test_1.scala b/test/files/neg/macro-basic-mamdmi/Impls_Macros_Test_1.scala index 908438cf65..325bb7276f 100644 --- a/test/files/neg/macro-basic-mamdmi/Impls_Macros_Test_1.scala +++ b/test/files/neg/macro-basic-mamdmi/Impls_Macros_Test_1.scala @@ -1,22 +1,19 @@ -import scala.reflect.macros.{Context => Ctx} +import scala.reflect.macros.blackbox.Context object Impls { - def foo(c: Ctx)(x: c.Expr[Int]): c.Expr[Int] = { + def foo(c: Context)(x: c.Expr[Int]): c.Expr[Int] = { import c.universe._ - val body = Apply(Select(x.tree, newTermName("$plus")), List(Literal(Constant(1)))) - c.Expr[Int](body) + c.Expr[Int](q"$x + 1") } - def bar(c: Ctx)(x: c.Expr[Int]): c.Expr[Int] = { + def bar(c: Context)(x: c.Expr[Int]): c.Expr[Int] = { import c.universe._ - val body = Apply(Select(x.tree, newTermName("$plus")), List(Literal(Constant(2)))) - c.Expr[Int](body) + c.Expr[Int](q"$x + 2") } - def quux(c: Ctx)(x: c.Expr[Int]): c.Expr[Int] = { + def quux(c: Context)(x: c.Expr[Int]): c.Expr[Int] = { import c.universe._ - val body = Apply(Select(x.tree, newTermName("$plus")), List(Literal(Constant(3)))) - c.Expr[Int](body) + c.Expr[Int](q"$x + 3") } } diff --git a/test/files/neg/macro-blackbox-dynamic-materialization.check b/test/files/neg/macro-blackbox-dynamic-materialization.check new file mode 100644 index 0000000000..f6c73f7edb --- /dev/null +++ b/test/files/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/test/files/neg/macro-blackbox-dynamic-materialization/Macros_1.scala b/test/files/neg/macro-blackbox-dynamic-materialization/Macros_1.scala new file mode 100644 index 0000000000..fc2907b6dc --- /dev/null +++ b/test/files/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} }" + } +}
\ No newline at end of file diff --git a/test/files/neg/macro-blackbox-dynamic-materialization/Test_2.scala b/test/files/neg/macro-blackbox-dynamic-materialization/Test_2.scala new file mode 100644 index 0000000000..bf19209ab7 --- /dev/null +++ b/test/files/neg/macro-blackbox-dynamic-materialization/Test_2.scala @@ -0,0 +1,4 @@ +object Test extends App { + println(implicitly[Foo[C1]]) + println(implicitly[Foo[C2]]) +}
\ No newline at end of file diff --git a/test/files/neg/macro-blackbox-extractor.check b/test/files/neg/macro-blackbox-extractor.check new file mode 100644 index 0000000000..4c53ff19b8 --- /dev/null +++ b/test/files/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/test/files/neg/macro-blackbox-extractor/Macros_1.scala b/test/files/neg/macro-blackbox-extractor/Macros_1.scala new file mode 100644 index 0000000000..64b6270b74 --- /dev/null +++ b/test/files/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/test/files/neg/macro-blackbox-extractor/Test_2.scala b/test/files/neg/macro-blackbox-extractor/Test_2.scala new file mode 100644 index 0000000000..41be6f9767 --- /dev/null +++ b/test/files/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/test/files/neg/macro-blackbox-fundep-materialization.check b/test/files/neg/macro-blackbox-fundep-materialization.check new file mode 100644 index 0000000000..3c03064a2d --- /dev/null +++ b/test/files/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/test/files/neg/macro-blackbox-fundep-materialization.flags b/test/files/neg/macro-blackbox-fundep-materialization.flags new file mode 100644 index 0000000000..4c6cdb71e2 --- /dev/null +++ b/test/files/neg/macro-blackbox-fundep-materialization.flags @@ -0,0 +1 @@ +-Xlog-implicits
\ No newline at end of file diff --git a/test/files/neg/macro-blackbox-fundep-materialization/Macros_1.scala b/test/files/neg/macro-blackbox-fundep-materialization/Macros_1.scala new file mode 100644 index 0000000000..8d776388ee --- /dev/null +++ b/test/files/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/test/files/neg/macro-blackbox-fundep-materialization/Test_2.scala b/test/files/neg/macro-blackbox-fundep-materialization/Test_2.scala new file mode 100644 index 0000000000..40ca1d549c --- /dev/null +++ b/test/files/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) {} + typed[(Int, String, Boolean)](equiv) + println(equiv) + } +}
\ No newline at end of file diff --git a/test/files/neg/macro-blackbox-structural.check b/test/files/neg/macro-blackbox-structural.check new file mode 100644 index 0000000000..86a218559c --- /dev/null +++ b/test/files/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/test/files/neg/macro-blackbox-structural/Impls_Macros_1.scala b/test/files/neg/macro-blackbox-structural/Impls_Macros_1.scala new file mode 100644 index 0000000000..a86a26d2c0 --- /dev/null +++ b/test/files/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 +}
\ No newline at end of file diff --git a/test/files/neg/macro-blackbox-structural/Test_2.scala b/test/files/neg/macro-blackbox-structural/Test_2.scala new file mode 100644 index 0000000000..ea6a817e34 --- /dev/null +++ b/test/files/neg/macro-blackbox-structural/Test_2.scala @@ -0,0 +1,5 @@ +import Macros._ + +object Test extends App { + println(Macros.foo.x) +}
\ No newline at end of file diff --git a/test/files/neg/macro-bundle-abstract.check b/test/files/neg/macro-bundle-abstract.check new file mode 100644 index 0000000000..1e51a00d05 --- /dev/null +++ b/test/files/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/test/files/neg/macro-bundle-abstract.scala b/test/files/neg/macro-bundle-abstract.scala new file mode 100644 index 0000000000..0afeaafc01 --- /dev/null +++ b/test/files/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 +}
\ No newline at end of file diff --git a/test/files/neg/macro-bundle-ambiguous.check b/test/files/neg/macro-bundle-ambiguous.check new file mode 100644 index 0000000000..8430496455 --- /dev/null +++ b/test/files/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/test/files/neg/macro-bundle-ambiguous.scala b/test/files/neg/macro-bundle-ambiguous.scala new file mode 100644 index 0000000000..92c359d9a9 --- /dev/null +++ b/test/files/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 +}
\ No newline at end of file diff --git a/test/files/neg/macro-bundle-need-qualifier.check b/test/files/neg/macro-bundle-need-qualifier.check new file mode 100644 index 0000000000..6a74ee6aed --- /dev/null +++ b/test/files/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/test/files/neg/macro-bundle-need-qualifier.scala b/test/files/neg/macro-bundle-need-qualifier.scala new file mode 100644 index 0000000000..0d021e3537 --- /dev/null +++ b/test/files/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 +}
\ No newline at end of file diff --git a/test/files/neg/macro-bundle-noncontext.check b/test/files/neg/macro-bundle-noncontext.check new file mode 100644 index 0000000000..bb5d0851f5 --- /dev/null +++ b/test/files/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/test/files/neg/macro-bundle-noncontext.scala b/test/files/neg/macro-bundle-noncontext.scala new file mode 100644 index 0000000000..c228827e70 --- /dev/null +++ b/test/files/neg/macro-bundle-noncontext.scala @@ -0,0 +1,9 @@ +import scala.language.experimental.macros + +class Bundle { + def impl = ??? +} + +object Macros { + def foo = Bundle.impl +}
\ No newline at end of file diff --git a/test/files/neg/macro-bundle-nonpublic-c.check b/test/files/neg/macro-bundle-nonpublic-c.check new file mode 100644 index 0000000000..1dfcee58b7 --- /dev/null +++ b/test/files/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/test/files/neg/macro-bundle-nonpublic-c.scala b/test/files/neg/macro-bundle-nonpublic-c.scala new file mode 100644 index 0000000000..86a2039743 --- /dev/null +++ b/test/files/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 +}
\ No newline at end of file diff --git a/test/files/neg/macro-bundle-nonpublic-impl.check b/test/files/neg/macro-bundle-nonpublic-impl.check new file mode 100644 index 0000000000..7a4e1516f7 --- /dev/null +++ b/test/files/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/test/files/neg/macro-bundle-nonpublic-impl.scala b/test/files/neg/macro-bundle-nonpublic-impl.scala new file mode 100644 index 0000000000..5857cc6b24 --- /dev/null +++ b/test/files/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 +}
\ No newline at end of file diff --git a/test/files/neg/macro-bundle-nonstatic.check b/test/files/neg/macro-bundle-nonstatic.check new file mode 100644 index 0000000000..36bccc54db --- /dev/null +++ b/test/files/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/test/files/neg/macro-bundle-nonstatic.scala b/test/files/neg/macro-bundle-nonstatic.scala new file mode 100644 index 0000000000..dfba79660a --- /dev/null +++ b/test/files/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/test/files/neg/macro-bundle-object.check b/test/files/neg/macro-bundle-object.check new file mode 100644 index 0000000000..b8800105f5 --- /dev/null +++ b/test/files/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/test/files/neg/macro-bundle-object.scala b/test/files/neg/macro-bundle-object.scala new file mode 100644 index 0000000000..6e1eec1686 --- /dev/null +++ b/test/files/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 +}
\ No newline at end of file diff --git a/test/files/neg/macro-bundle-overloaded.check b/test/files/neg/macro-bundle-overloaded.check new file mode 100644 index 0000000000..499068aaa8 --- /dev/null +++ b/test/files/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/test/files/neg/macro-bundle-overloaded.scala b/test/files/neg/macro-bundle-overloaded.scala new file mode 100644 index 0000000000..a4bc66f974 --- /dev/null +++ b/test/files/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 +}
\ No newline at end of file diff --git a/test/files/neg/macro-bundle-polymorphic.check b/test/files/neg/macro-bundle-polymorphic.check new file mode 100644 index 0000000000..60a4d59119 --- /dev/null +++ b/test/files/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/test/files/neg/macro-bundle-polymorphic.scala b/test/files/neg/macro-bundle-polymorphic.scala new file mode 100644 index 0000000000..2ba91aa0c5 --- /dev/null +++ b/test/files/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 +}
\ No newline at end of file diff --git a/test/files/neg/macro-bundle-priority-bundle.check b/test/files/neg/macro-bundle-priority-bundle.check new file mode 100644 index 0000000000..c6cea72ba6 --- /dev/null +++ b/test/files/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/test/files/neg/macro-bundle-priority-bundle.scala b/test/files/neg/macro-bundle-priority-bundle.scala new file mode 100644 index 0000000000..ce831a7121 --- /dev/null +++ b/test/files/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 +}
\ No newline at end of file diff --git a/test/files/neg/macro-bundle-priority-nonbundle.check b/test/files/neg/macro-bundle-priority-nonbundle.check new file mode 100644 index 0000000000..0d03b5074b --- /dev/null +++ b/test/files/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/test/files/neg/macro-bundle-priority-nonbundle.scala b/test/files/neg/macro-bundle-priority-nonbundle.scala new file mode 100644 index 0000000000..8dc00f6dd3 --- /dev/null +++ b/test/files/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 +}
\ No newline at end of file diff --git a/test/files/neg/macro-bundle-trait.check b/test/files/neg/macro-bundle-trait.check new file mode 100644 index 0000000000..869c67e1e3 --- /dev/null +++ b/test/files/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/test/files/neg/macro-bundle-trait.scala b/test/files/neg/macro-bundle-trait.scala new file mode 100644 index 0000000000..2aa63216f5 --- /dev/null +++ b/test/files/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 +}
\ No newline at end of file diff --git a/test/files/neg/macro-bundle-whitebox-use-raw.check b/test/files/neg/macro-bundle-whitebox-use-raw.check new file mode 100644 index 0000000000..5792e317a6 --- /dev/null +++ b/test/files/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/test/files/neg/macro-bundle-whitebox-use-raw/Macros_1.scala b/test/files/neg/macro-bundle-whitebox-use-raw/Macros_1.scala new file mode 100644 index 0000000000..61bf73e481 --- /dev/null +++ b/test/files/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/test/files/neg/macro-bundle-whitebox-use-raw/Test_2.scala b/test/files/neg/macro-bundle-whitebox-use-raw/Test_2.scala new file mode 100644 index 0000000000..3a81700251 --- /dev/null +++ b/test/files/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) {} + 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/test/files/neg/macro-bundle-whitebox-use-refined.check b/test/files/neg/macro-bundle-whitebox-use-refined.check new file mode 100644 index 0000000000..5792e317a6 --- /dev/null +++ b/test/files/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/test/files/neg/macro-bundle-whitebox-use-refined/Macros_1.scala b/test/files/neg/macro-bundle-whitebox-use-refined/Macros_1.scala new file mode 100644 index 0000000000..1866044221 --- /dev/null +++ b/test/files/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/test/files/neg/macro-bundle-whitebox-use-refined/Test_2.scala b/test/files/neg/macro-bundle-whitebox-use-refined/Test_2.scala new file mode 100644 index 0000000000..3a81700251 --- /dev/null +++ b/test/files/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) {} + 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/test/files/neg/macro-bundle-wrongcontext-a.check b/test/files/neg/macro-bundle-wrongcontext-a.check new file mode 100644 index 0000000000..10aadb0035 --- /dev/null +++ b/test/files/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/test/files/neg/macro-bundle-wrongcontext-a.scala b/test/files/neg/macro-bundle-wrongcontext-a.scala new file mode 100644 index 0000000000..ed566fd977 --- /dev/null +++ b/test/files/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 +}
\ No newline at end of file diff --git a/test/files/neg/macro-bundle-wrongcontext-b.check b/test/files/neg/macro-bundle-wrongcontext-b.check new file mode 100644 index 0000000000..e9700d379e --- /dev/null +++ b/test/files/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/test/files/neg/macro-bundle-wrongcontext-b.scala b/test/files/neg/macro-bundle-wrongcontext-b.scala new file mode 100644 index 0000000000..0b4ff7e17c --- /dev/null +++ b/test/files/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 +}
\ No newline at end of file diff --git a/test/files/neg/macro-cyclic/Impls_Macros_1.scala b/test/files/neg/macro-cyclic/Impls_Macros_1.scala index ac9b7938db..ad6890144d 100644 --- a/test/files/neg/macro-cyclic/Impls_Macros_1.scala +++ b/test/files/neg/macro-cyclic/Impls_Macros_1.scala @@ -1,4 +1,4 @@ -import scala.reflect.macros.Context +import scala.reflect.macros.blackbox.Context object Macros { def impl(c: Context) = { diff --git a/test/files/neg/macro-deprecate-idents.check b/test/files/neg/macro-deprecate-idents.check index 22b667c390..c5902aeea6 100644 --- a/test/files/neg/macro-deprecate-idents.check +++ b/test/files/neg/macro-deprecate-idents.check @@ -1,52 +1,67 @@ -macro-deprecate-idents.scala:2: error: macro is now a reserved word; usage as an identifier is deprecated +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 deprecated +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 deprecated +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 deprecated +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 deprecated +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 deprecated +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 deprecated +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 deprecated +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 deprecated +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 deprecated +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 deprecated +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 deprecated +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 deprecated +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 deprecated +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 deprecated +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 deprecated +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 deprecated +macro-deprecate-idents.scala:55: error: macro is now a reserved word; usage as an identifier is disallowed def macro = 2 ^ -17 errors found +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/test/files/neg/macro-divergence-controlled/Impls_Macros_1.scala b/test/files/neg/macro-divergence-controlled/Impls_Macros_1.scala index cdea3104a1..5c04503260 100644 --- a/test/files/neg/macro-divergence-controlled/Impls_Macros_1.scala +++ b/test/files/neg/macro-divergence-controlled/Impls_Macros_1.scala @@ -1,4 +1,4 @@ -import scala.reflect.macros.Context +import scala.reflect.macros.whitebox.Context import language.experimental.macros trait Complex[T] @@ -9,13 +9,13 @@ object Complex { def impl[T: c.WeakTypeTag](c: Context): c.Expr[Complex[T]] = { import c.universe._ val tpe = weakTypeOf[T] - for (f <- tpe.declarations.collect{case f: TermSymbol if f.isParamAccessor && !f.isMethod => f}) { - val trecur = appliedType(typeOf[Complex[_]], List(f.typeSignature)) - if (c.openImplicits.tail.exists(ic => ic._1 =:= trecur)) c.abort(c.enclosingPosition, "diverging implicit expansion. reported by a macro!") + 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.literalNull + c.Expr[Null](q"null") } implicit object ComplexString extends Complex[String] diff --git a/test/files/neg/macro-exception.check b/test/files/neg/macro-exception.check index cee8b32ebd..dca97aebce 100644 --- a/test/files/neg/macro-exception.check +++ b/test/files/neg/macro-exception.check @@ -1,4 +1,4 @@ -Test_2.scala:2: error: exception during macro expansion: +Test_2.scala:2: error: exception during macro expansion: java.lang.Exception at Macros$.impl(Macros_1.scala:6) diff --git a/test/files/neg/macro-exception/Macros_1.scala b/test/files/neg/macro-exception/Macros_1.scala index 60e4020aec..3d6109dc9d 100644 --- a/test/files/neg/macro-exception/Macros_1.scala +++ b/test/files/neg/macro-exception/Macros_1.scala @@ -1,5 +1,5 @@ import scala.language.experimental.macros -import scala.reflect.macros.Context +import scala.reflect.macros.blackbox.Context object Macros { def impl(c: Context) = { diff --git a/test/files/neg/macro-false-deprecation-warning/Impls_Macros_1.scala b/test/files/neg/macro-false-deprecation-warning/Impls_Macros_1.scala index 6dc2ea114b..a97dfd4ddf 100644 --- a/test/files/neg/macro-false-deprecation-warning/Impls_Macros_1.scala +++ b/test/files/neg/macro-false-deprecation-warning/Impls_Macros_1.scala @@ -1,4 +1,4 @@ -import scala.reflect.macros.Context +import scala.reflect.macros.blackbox.Context object Helper { def unapplySeq[T](x: List[T]): Option[Seq[T]] = diff --git a/test/files/neg/macro-incompatible-macro-engine-a.check b/test/files/neg/macro-incompatible-macro-engine-a.check new file mode 100644 index 0000000000..8ae08bd164 --- /dev/null +++ b/test/files/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/test/files/neg/macro-incompatible-macro-engine-a/Macros_2.flags b/test/files/neg/macro-incompatible-macro-engine-a/Macros_2.flags new file mode 100644 index 0000000000..966df731d0 --- /dev/null +++ b/test/files/neg/macro-incompatible-macro-engine-a/Macros_2.flags @@ -0,0 +1 @@ +-Xplugin:.
\ No newline at end of file diff --git a/test/files/neg/macro-incompatible-macro-engine-a/Macros_2.scala b/test/files/neg/macro-incompatible-macro-engine-a/Macros_2.scala new file mode 100644 index 0000000000..39708eee49 --- /dev/null +++ b/test/files/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 +}
\ No newline at end of file diff --git a/test/files/neg/macro-incompatible-macro-engine-a/Plugin_1.scala b/test/files/neg/macro-incompatible-macro-engine-a/Plugin_1.scala new file mode 100644 index 0000000000..44ed91d2fb --- /dev/null +++ b/test/files/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) + } + } +}
\ No newline at end of file diff --git a/test/files/neg/macro-incompatible-macro-engine-a/Test_3.scala b/test/files/neg/macro-incompatible-macro-engine-a/Test_3.scala new file mode 100644 index 0000000000..7e4fae5236 --- /dev/null +++ b/test/files/neg/macro-incompatible-macro-engine-a/Test_3.scala @@ -0,0 +1,4 @@ +object Test extends App { + Macros.foo + Macros.foo +}
\ No newline at end of file diff --git a/test/files/neg/macro-incompatible-macro-engine-a/scalac-plugin.xml b/test/files/neg/macro-incompatible-macro-engine-a/scalac-plugin.xml new file mode 100644 index 0000000000..42b9cdd75d --- /dev/null +++ b/test/files/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/test/files/neg/macro-incompatible-macro-engine-b.check b/test/files/neg/macro-incompatible-macro-engine-b.check new file mode 100644 index 0000000000..2a7510cf86 --- /dev/null +++ b/test/files/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/test/files/neg/macro-incompatible-macro-engine-b.flags b/test/files/neg/macro-incompatible-macro-engine-b.flags new file mode 100644 index 0000000000..037a693bbd --- /dev/null +++ b/test/files/neg/macro-incompatible-macro-engine-b.flags @@ -0,0 +1 @@ +-Ymacro-debug-lite
\ No newline at end of file diff --git a/test/files/neg/macro-incompatible-macro-engine-b/Macros_2.flags b/test/files/neg/macro-incompatible-macro-engine-b/Macros_2.flags new file mode 100644 index 0000000000..966df731d0 --- /dev/null +++ b/test/files/neg/macro-incompatible-macro-engine-b/Macros_2.flags @@ -0,0 +1 @@ +-Xplugin:.
\ No newline at end of file diff --git a/test/files/neg/macro-incompatible-macro-engine-b/Macros_2.scala b/test/files/neg/macro-incompatible-macro-engine-b/Macros_2.scala new file mode 100644 index 0000000000..39708eee49 --- /dev/null +++ b/test/files/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 +}
\ No newline at end of file diff --git a/test/files/neg/macro-incompatible-macro-engine-b/Plugin_1.scala b/test/files/neg/macro-incompatible-macro-engine-b/Plugin_1.scala new file mode 100644 index 0000000000..44ed91d2fb --- /dev/null +++ b/test/files/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) + } + } +}
\ No newline at end of file diff --git a/test/files/neg/macro-incompatible-macro-engine-b/Test_3.scala b/test/files/neg/macro-incompatible-macro-engine-b/Test_3.scala new file mode 100644 index 0000000000..7e4fae5236 --- /dev/null +++ b/test/files/neg/macro-incompatible-macro-engine-b/Test_3.scala @@ -0,0 +1,4 @@ +object Test extends App { + Macros.foo + Macros.foo +}
\ No newline at end of file diff --git a/test/files/neg/macro-incompatible-macro-engine-b/scalac-plugin.xml b/test/files/neg/macro-incompatible-macro-engine-b/scalac-plugin.xml new file mode 100644 index 0000000000..42b9cdd75d --- /dev/null +++ b/test/files/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/test/files/neg/macro-incompatible-macro-engine-c.check b/test/files/neg/macro-incompatible-macro-engine-c.check new file mode 100644 index 0000000000..fb6c59ab7c --- /dev/null +++ b/test/files/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/test/files/neg/macro-incompatible-macro-engine-c.scala b/test/files/neg/macro-incompatible-macro-engine-c.scala new file mode 100644 index 0000000000..037ac5f456 --- /dev/null +++ b/test/files/neg/macro-incompatible-macro-engine-c.scala @@ -0,0 +1,3 @@ +object Test extends App { + MacroLibCompiledByScala210x.foo +}
\ No newline at end of file diff --git a/test/files/neg/macro-invalidimpl-a.check b/test/files/neg/macro-invalidimpl-a.check deleted file mode 100644 index 7f11f3b865..0000000000 --- a/test/files/neg/macro-invalidimpl-a.check +++ /dev/null @@ -1,4 +0,0 @@ -Macros_Test_2.scala:3: error: macro implementation must be in statically accessible object - def foo(x: Any) = macro impls.foo - ^ -one error found diff --git a/test/files/neg/macro-invalidimpl-a/Impls_1.scala b/test/files/neg/macro-invalidimpl-a/Impls_1.scala deleted file mode 100644 index cfa1218038..0000000000 --- a/test/files/neg/macro-invalidimpl-a/Impls_1.scala +++ /dev/null @@ -1,5 +0,0 @@ -import scala.reflect.macros.{Context => Ctx} - -class Impls { - def foo(c: Ctx)(x: c.Expr[Any]) = ??? -} diff --git a/test/files/neg/macro-invalidimpl-a/Macros_Test_2.scala b/test/files/neg/macro-invalidimpl-a/Macros_Test_2.scala deleted file mode 100644 index 2220ddae0c..0000000000 --- a/test/files/neg/macro-invalidimpl-a/Macros_Test_2.scala +++ /dev/null @@ -1,9 +0,0 @@ -object Macros { - val impls = new Impls - def foo(x: Any) = macro impls.foo -} - -object Test extends App { - import Macros._ - foo(42) -}
\ No newline at end of file diff --git a/test/files/neg/macro-invalidimpl-b.check b/test/files/neg/macro-invalidimpl-b.check deleted file mode 100644 index 7f11f3b865..0000000000 --- a/test/files/neg/macro-invalidimpl-b.check +++ /dev/null @@ -1,4 +0,0 @@ -Macros_Test_2.scala:3: error: macro implementation must be in statically accessible object - def foo(x: Any) = macro impls.foo - ^ -one error found diff --git a/test/files/neg/macro-invalidimpl-b/Impls_1.scala b/test/files/neg/macro-invalidimpl-b/Impls_1.scala deleted file mode 100644 index 4467021545..0000000000 --- a/test/files/neg/macro-invalidimpl-b/Impls_1.scala +++ /dev/null @@ -1,5 +0,0 @@ -import scala.reflect.macros.{Context => Ctx} - -object Impls { - def foo(c: Ctx)(x: c.Expr[Any]) = ??? -} diff --git a/test/files/neg/macro-invalidimpl-b/Macros_Test_2.scala b/test/files/neg/macro-invalidimpl-b/Macros_Test_2.scala deleted file mode 100644 index 81e40837d2..0000000000 --- a/test/files/neg/macro-invalidimpl-b/Macros_Test_2.scala +++ /dev/null @@ -1,9 +0,0 @@ -object Macros { - val impls = Impls - def foo(x: Any) = macro impls.foo -} - -object Test extends App { - import Macros._ - foo(42) -}
\ No newline at end of file diff --git a/test/files/neg/macro-invalidimpl-c.check b/test/files/neg/macro-invalidimpl-c.check deleted file mode 100644 index 9e0181c0a3..0000000000 --- a/test/files/neg/macro-invalidimpl-c.check +++ /dev/null @@ -1,4 +0,0 @@ -Impls_Macros_1.scala:8: error: macro implementation must be in statically accessible object - def foo(x: Any) = macro Impls.foo - ^ -one error found diff --git a/test/files/neg/macro-invalidimpl-c/Impls_Macros_1.scala b/test/files/neg/macro-invalidimpl-c/Impls_Macros_1.scala deleted file mode 100644 index 67a0eb348b..0000000000 --- a/test/files/neg/macro-invalidimpl-c/Impls_Macros_1.scala +++ /dev/null @@ -1,9 +0,0 @@ -import scala.reflect.macros.{Context => Ctx} - -class Macros { - object Impls { - def foo(c: Ctx)(x: c.Expr[Any]) = ??? - } - - def foo(x: Any) = macro Impls.foo -}
\ No newline at end of file diff --git a/test/files/neg/macro-invalidimpl-d.check b/test/files/neg/macro-invalidimpl-d.check deleted file mode 100644 index 76a5ba9c8c..0000000000 --- a/test/files/neg/macro-invalidimpl-d.check +++ /dev/null @@ -1,4 +0,0 @@ -Macros_Test_2.scala:2: error: macro implementation must be in statically accessible object - def foo(x: Any) = macro Impls.foo - ^ -one error found diff --git a/test/files/neg/macro-invalidimpl-d/Impls_1.scala b/test/files/neg/macro-invalidimpl-d/Impls_1.scala deleted file mode 100644 index e0819c938c..0000000000 --- a/test/files/neg/macro-invalidimpl-d/Impls_1.scala +++ /dev/null @@ -1,7 +0,0 @@ -import scala.reflect.macros.{Context => Ctx} - -trait MacroHelpers { - object Impls { - def foo(c: Ctx)(x: c.Expr[Any]) = x - } -}
\ No newline at end of file diff --git a/test/files/neg/macro-invalidimpl-d/Macros_Test_2.scala b/test/files/neg/macro-invalidimpl-d/Macros_Test_2.scala deleted file mode 100644 index 067ab1ddec..0000000000 --- a/test/files/neg/macro-invalidimpl-d/Macros_Test_2.scala +++ /dev/null @@ -1,7 +0,0 @@ -class Macros extends MacroHelpers { - def foo(x: Any) = macro Impls.foo -} - -object Test extends App { - println(new Macros().foo(42)) -}
\ No newline at end of file diff --git a/test/files/neg/macro-invalidimpl-e.check b/test/files/neg/macro-invalidimpl-e.check deleted file mode 100644 index e0910b2899..0000000000 --- a/test/files/neg/macro-invalidimpl-e.check +++ /dev/null @@ -1,13 +0,0 @@ -Macros_Test_2.scala:2: error: ambiguous reference to overloaded definition, -both method foo in object Impls of type (c: scala.reflect.macros.Context)(x: c.Expr[Any], y: c.Expr[Any])Nothing -and method foo in object Impls of type (c: scala.reflect.macros.Context)(x: c.Expr[Any])Nothing -match expected type ? - def foo(x: Any) = macro Impls.foo - ^ -Macros_Test_2.scala:3: error: ambiguous reference to overloaded definition, -both method foo in object Impls of type (c: scala.reflect.macros.Context)(x: c.Expr[Any], y: c.Expr[Any])Nothing -and method foo in object Impls of type (c: scala.reflect.macros.Context)(x: c.Expr[Any])Nothing -match expected type ? - def foo(x: Any, y: Any) = macro Impls.foo - ^ -two errors found diff --git a/test/files/neg/macro-invalidimpl-e/Impls_1.scala b/test/files/neg/macro-invalidimpl-e/Impls_1.scala deleted file mode 100644 index fd40119c31..0000000000 --- a/test/files/neg/macro-invalidimpl-e/Impls_1.scala +++ /dev/null @@ -1,6 +0,0 @@ -import scala.reflect.macros.{Context => Ctx} - -object Impls { - def foo(c: Ctx)(x: c.Expr[Any]) = ??? - def foo(c: Ctx)(x: c.Expr[Any], y: c.Expr[Any]) = ??? -} diff --git a/test/files/neg/macro-invalidimpl-e/Macros_Test_2.scala b/test/files/neg/macro-invalidimpl-e/Macros_Test_2.scala deleted file mode 100644 index 6edde08167..0000000000 --- a/test/files/neg/macro-invalidimpl-e/Macros_Test_2.scala +++ /dev/null @@ -1,9 +0,0 @@ -object Macros { - def foo(x: Any) = macro Impls.foo - def foo(x: Any, y: Any) = macro Impls.foo -} - -object Test extends App { - import Macros._ - foo(42) -}
\ No newline at end of file diff --git a/test/files/neg/macro-invalidimpl-f.check b/test/files/neg/macro-invalidimpl-f.check deleted file mode 100644 index 8820e05152..0000000000 --- a/test/files/neg/macro-invalidimpl-f.check +++ /dev/null @@ -1,7 +0,0 @@ -Macros_Test_2.scala:2: error: macro implementation has incompatible shape: - required: (c: scala.reflect.macros.Context)(): c.Expr[Unit] - found : (c: scala.reflect.macros.Context): c.Expr[Unit] -number of parameter sections differ - def bar1() = macro Impls.fooNullary - ^ -one error found diff --git a/test/files/neg/macro-invalidimpl-f/Impls_1.scala b/test/files/neg/macro-invalidimpl-f/Impls_1.scala deleted file mode 100644 index 334ee714be..0000000000 --- a/test/files/neg/macro-invalidimpl-f/Impls_1.scala +++ /dev/null @@ -1,11 +0,0 @@ -import scala.reflect.macros.{Context => Ctx} - -object Impls { - def fooNullary(c: Ctx) = { - import c.universe._ - val body = Apply(Select(Ident(definitions.PredefModule), newTermName("println")), List(Literal(Constant("it works")))) - c.Expr[Unit](body) - } - - def fooEmpty(c: Ctx)() = fooNullary(c) -}
\ No newline at end of file diff --git a/test/files/neg/macro-invalidimpl-f/Macros_Test_2.scala b/test/files/neg/macro-invalidimpl-f/Macros_Test_2.scala deleted file mode 100644 index 493edf1df8..0000000000 --- a/test/files/neg/macro-invalidimpl-f/Macros_Test_2.scala +++ /dev/null @@ -1,9 +0,0 @@ -object Macros { - def bar1() = macro Impls.fooNullary -} - -object Test extends App { - Macros.bar1 - Macros.bar1() - println("kkthxbai") -}
\ No newline at end of file diff --git a/test/files/neg/macro-invalidimpl-g.check b/test/files/neg/macro-invalidimpl-g.check deleted file mode 100644 index c063803723..0000000000 --- a/test/files/neg/macro-invalidimpl-g.check +++ /dev/null @@ -1,7 +0,0 @@ -Macros_Test_2.scala:2: error: macro implementation has incompatible shape: - required: (c: scala.reflect.macros.Context): c.Expr[Unit] - found : (c: scala.reflect.macros.Context)(): c.Expr[Unit] -number of parameter sections differ - def foo1 = macro Impls.fooEmpty - ^ -one error found diff --git a/test/files/neg/macro-invalidimpl-g/Impls_1.scala b/test/files/neg/macro-invalidimpl-g/Impls_1.scala deleted file mode 100644 index 334ee714be..0000000000 --- a/test/files/neg/macro-invalidimpl-g/Impls_1.scala +++ /dev/null @@ -1,11 +0,0 @@ -import scala.reflect.macros.{Context => Ctx} - -object Impls { - def fooNullary(c: Ctx) = { - import c.universe._ - val body = Apply(Select(Ident(definitions.PredefModule), newTermName("println")), List(Literal(Constant("it works")))) - c.Expr[Unit](body) - } - - def fooEmpty(c: Ctx)() = fooNullary(c) -}
\ No newline at end of file diff --git a/test/files/neg/macro-invalidimpl-g/Macros_Test_2.scala b/test/files/neg/macro-invalidimpl-g/Macros_Test_2.scala deleted file mode 100644 index 5561db9f9a..0000000000 --- a/test/files/neg/macro-invalidimpl-g/Macros_Test_2.scala +++ /dev/null @@ -1,8 +0,0 @@ -object Macros { - def foo1 = macro Impls.fooEmpty -} - -object Test extends App { - Macros.foo1 - println("kkthxbai") -}
\ No newline at end of file diff --git a/test/files/neg/macro-invalidimpl-h.check b/test/files/neg/macro-invalidimpl-h.check deleted file mode 100644 index ea76e1aeac..0000000000 --- a/test/files/neg/macro-invalidimpl-h.check +++ /dev/null @@ -1,4 +0,0 @@ -Macros_Test_2.scala:2: error: type arguments [String] do not conform to method foo's type parameter bounds [U <: Int] - def foo = macro Impls.foo[String] - ^ -one error found diff --git a/test/files/neg/macro-invalidimpl-h.flags b/test/files/neg/macro-invalidimpl-h.flags deleted file mode 100644 index cd66464f2f..0000000000 --- a/test/files/neg/macro-invalidimpl-h.flags +++ /dev/null @@ -1 +0,0 @@ --language:experimental.macros
\ No newline at end of file diff --git a/test/files/neg/macro-invalidimpl-h/Impls_1.scala b/test/files/neg/macro-invalidimpl-h/Impls_1.scala deleted file mode 100644 index 427fd3d5c0..0000000000 --- a/test/files/neg/macro-invalidimpl-h/Impls_1.scala +++ /dev/null @@ -1,5 +0,0 @@ -import scala.reflect.macros.{Context => Ctx} - -object Impls { - def foo[U <: Int](c: Ctx) = ??? -} diff --git a/test/files/neg/macro-invalidimpl-h/Macros_Test_2.scala b/test/files/neg/macro-invalidimpl-h/Macros_Test_2.scala deleted file mode 100644 index 218c7aec7f..0000000000 --- a/test/files/neg/macro-invalidimpl-h/Macros_Test_2.scala +++ /dev/null @@ -1,8 +0,0 @@ -object Macros { - def foo = macro Impls.foo[String] -} - -object Test extends App { - import Macros._ - foo -}
\ No newline at end of file diff --git a/test/files/neg/macro-invalidimpl-i.check b/test/files/neg/macro-invalidimpl-i.check deleted file mode 100644 index 846ed8d134..0000000000 --- a/test/files/neg/macro-invalidimpl-i.check +++ /dev/null @@ -1,4 +0,0 @@ -Macros_Test_2.scala:4: error: macro implementation must be public - def foo = macro Impls.impl - ^ -one error found diff --git a/test/files/neg/macro-invalidimpl-i.flags b/test/files/neg/macro-invalidimpl-i.flags deleted file mode 100644 index cd66464f2f..0000000000 --- a/test/files/neg/macro-invalidimpl-i.flags +++ /dev/null @@ -1 +0,0 @@ --language:experimental.macros
\ No newline at end of file diff --git a/test/files/neg/macro-invalidimpl-i/Impls_1.scala b/test/files/neg/macro-invalidimpl-i/Impls_1.scala deleted file mode 100644 index c35d8ab3c1..0000000000 --- a/test/files/neg/macro-invalidimpl-i/Impls_1.scala +++ /dev/null @@ -1,7 +0,0 @@ -package foo - -import scala.reflect.macros.Context - -object Impls { - private[foo] def impl(c: Context) = ??? -}
\ No newline at end of file diff --git a/test/files/neg/macro-invalidimpl-i/Macros_Test_2.scala b/test/files/neg/macro-invalidimpl-i/Macros_Test_2.scala deleted file mode 100644 index fb129c70be..0000000000 --- a/test/files/neg/macro-invalidimpl-i/Macros_Test_2.scala +++ /dev/null @@ -1,5 +0,0 @@ -package foo - -object Test extends App { - def foo = macro Impls.impl -} diff --git a/test/files/neg/macro-invalidimpl.check b/test/files/neg/macro-invalidimpl.check new file mode 100644 index 0000000000..ea7d71c667 --- /dev/null +++ b/test/files/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/test/files/neg/macro-invalidimpl-a.flags b/test/files/neg/macro-invalidimpl.flags index cd66464f2f..cd66464f2f 100644 --- a/test/files/neg/macro-invalidimpl-a.flags +++ b/test/files/neg/macro-invalidimpl.flags diff --git a/test/files/neg/macro-invalidimpl/Impls_1.scala b/test/files/neg/macro-invalidimpl/Impls_1.scala new file mode 100644 index 0000000000..a1c885a4bf --- /dev/null +++ b/test/files/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) = ??? + } +}
\ No newline at end of file diff --git a/test/files/neg/macro-invalidimpl/Macros_Test_2.scala b/test/files/neg/macro-invalidimpl/Macros_Test_2.scala new file mode 100644 index 0000000000..6760d99959 --- /dev/null +++ b/test/files/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 + } +}
\ No newline at end of file diff --git a/test/files/neg/macro-invalidret-nontree.check b/test/files/neg/macro-invalidret-nontree.check deleted file mode 100644 index 74e6f33339..0000000000 --- a/test/files/neg/macro-invalidret-nontree.check +++ /dev/null @@ -1,7 +0,0 @@ -Macros_Test_2.scala:2: error: macro implementation has incompatible shape: - required: (c: scala.reflect.macros.Context): c.Expr[Any] - found : (c: scala.reflect.macros.Context): Int -type mismatch for return type: Int does not conform to c.Expr[Any] - def foo = macro Impls.foo - ^ -one error found diff --git a/test/files/neg/macro-invalidret-nontree.flags b/test/files/neg/macro-invalidret-nontree.flags deleted file mode 100644 index cd66464f2f..0000000000 --- a/test/files/neg/macro-invalidret-nontree.flags +++ /dev/null @@ -1 +0,0 @@ --language:experimental.macros
\ No newline at end of file diff --git a/test/files/neg/macro-invalidret-nontree/Impls_1.scala b/test/files/neg/macro-invalidret-nontree/Impls_1.scala deleted file mode 100644 index ef19b1b405..0000000000 --- a/test/files/neg/macro-invalidret-nontree/Impls_1.scala +++ /dev/null @@ -1,5 +0,0 @@ -import scala.reflect.macros.{Context => Ctx} - -object Impls { - def foo(c: Ctx) = 2 -} diff --git a/test/files/neg/macro-invalidret-nontree/Macros_Test_2.scala b/test/files/neg/macro-invalidret-nontree/Macros_Test_2.scala deleted file mode 100644 index 96a8de2832..0000000000 --- a/test/files/neg/macro-invalidret-nontree/Macros_Test_2.scala +++ /dev/null @@ -1,8 +0,0 @@ -object Macros { - def foo = macro Impls.foo -} - -object Test extends App { - import Macros._ - foo -}
\ No newline at end of file diff --git a/test/files/neg/macro-invalidret-nonuniversetree.check b/test/files/neg/macro-invalidret-nonuniversetree.check deleted file mode 100644 index 81c4114ce0..0000000000 --- a/test/files/neg/macro-invalidret-nonuniversetree.check +++ /dev/null @@ -1,7 +0,0 @@ -Macros_Test_2.scala:2: error: macro implementation has incompatible shape: - required: (c: scala.reflect.macros.Context): c.Expr[Any] - found : (c: scala.reflect.macros.Context): reflect.runtime.universe.Literal -type mismatch for return type: reflect.runtime.universe.Literal does not conform to c.Expr[Any] - def foo = macro Impls.foo - ^ -one error found diff --git a/test/files/neg/macro-invalidret-nonuniversetree.flags b/test/files/neg/macro-invalidret-nonuniversetree.flags deleted file mode 100644 index cd66464f2f..0000000000 --- a/test/files/neg/macro-invalidret-nonuniversetree.flags +++ /dev/null @@ -1 +0,0 @@ --language:experimental.macros
\ No newline at end of file diff --git a/test/files/neg/macro-invalidret-nonuniversetree/Impls_1.scala b/test/files/neg/macro-invalidret-nonuniversetree/Impls_1.scala deleted file mode 100644 index f98376a2ba..0000000000 --- a/test/files/neg/macro-invalidret-nonuniversetree/Impls_1.scala +++ /dev/null @@ -1,6 +0,0 @@ -import scala.reflect.macros.{Context => Ctx} -import scala.reflect.runtime.{universe => ru} - -object Impls { - def foo(c: Ctx) = ru.Literal(ru.Constant(42)) -} diff --git a/test/files/neg/macro-invalidret-nonuniversetree/Macros_Test_2.scala b/test/files/neg/macro-invalidret-nonuniversetree/Macros_Test_2.scala deleted file mode 100644 index 96a8de2832..0000000000 --- a/test/files/neg/macro-invalidret-nonuniversetree/Macros_Test_2.scala +++ /dev/null @@ -1,8 +0,0 @@ -object Macros { - def foo = macro Impls.foo -} - -object Test extends App { - import Macros._ - foo -}
\ No newline at end of file diff --git a/test/files/neg/macro-invalidret.check b/test/files/neg/macro-invalidret.check new file mode 100644 index 0000000000..568cc7c570 --- /dev/null +++ b/test/files/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/test/files/neg/macro-invalidret.flags b/test/files/neg/macro-invalidret.flags new file mode 100644 index 0000000000..946c53ec0e --- /dev/null +++ b/test/files/neg/macro-invalidret.flags @@ -0,0 +1,3 @@ +-language:experimental.macros +-Xfatal-warnings +-deprecation
\ No newline at end of file diff --git a/test/files/neg/macro-invalidret/Impls_1.scala b/test/files/neg/macro-invalidret/Impls_1.scala new file mode 100644 index 0000000000..434aeef10f --- /dev/null +++ b/test/files/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/test/files/neg/macro-invalidret/Macros_Test_2.scala b/test/files/neg/macro-invalidret/Macros_Test_2.scala new file mode 100644 index 0000000000..8840f492ab --- /dev/null +++ b/test/files/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 +}
\ No newline at end of file diff --git a/test/files/neg/macro-invalidshape-a.check b/test/files/neg/macro-invalidshape-a.check deleted file mode 100644 index f38a90819e..0000000000 --- a/test/files/neg/macro-invalidshape-a.check +++ /dev/null @@ -1,5 +0,0 @@ -Macros_Test_2.scala:2: error: macro body has wrong shape: - required: macro [<implementation object>].<method name>[[<type args>]] - def foo(x: Any) = macro 2 - ^ -one error found diff --git a/test/files/neg/macro-invalidshape-a.flags b/test/files/neg/macro-invalidshape-a.flags deleted file mode 100644 index cd66464f2f..0000000000 --- a/test/files/neg/macro-invalidshape-a.flags +++ /dev/null @@ -1 +0,0 @@ --language:experimental.macros
\ No newline at end of file diff --git a/test/files/neg/macro-invalidshape-a/Impls_1.scala b/test/files/neg/macro-invalidshape-a/Impls_1.scala deleted file mode 100644 index 4467021545..0000000000 --- a/test/files/neg/macro-invalidshape-a/Impls_1.scala +++ /dev/null @@ -1,5 +0,0 @@ -import scala.reflect.macros.{Context => Ctx} - -object Impls { - def foo(c: Ctx)(x: c.Expr[Any]) = ??? -} diff --git a/test/files/neg/macro-invalidshape-a/Macros_Test_2.scala b/test/files/neg/macro-invalidshape-a/Macros_Test_2.scala deleted file mode 100644 index ffff17d1e7..0000000000 --- a/test/files/neg/macro-invalidshape-a/Macros_Test_2.scala +++ /dev/null @@ -1,8 +0,0 @@ -object Macros { - def foo(x: Any) = macro 2 -} - -object Test extends App { - import Macros._ - foo(42) -}
\ No newline at end of file diff --git a/test/files/neg/macro-invalidshape-b.check b/test/files/neg/macro-invalidshape-b.check deleted file mode 100644 index 976685c6bd..0000000000 --- a/test/files/neg/macro-invalidshape-b.check +++ /dev/null @@ -1,5 +0,0 @@ -Macros_Test_2.scala:2: error: macro body has wrong shape: - required: macro [<implementation object>].<method name>[[<type args>]] - def foo(x: Any) = macro Impls.foo(null)(null) - ^ -one error found diff --git a/test/files/neg/macro-invalidshape-b.flags b/test/files/neg/macro-invalidshape-b.flags deleted file mode 100644 index cd66464f2f..0000000000 --- a/test/files/neg/macro-invalidshape-b.flags +++ /dev/null @@ -1 +0,0 @@ --language:experimental.macros
\ No newline at end of file diff --git a/test/files/neg/macro-invalidshape-b/Impls_1.scala b/test/files/neg/macro-invalidshape-b/Impls_1.scala deleted file mode 100644 index 4467021545..0000000000 --- a/test/files/neg/macro-invalidshape-b/Impls_1.scala +++ /dev/null @@ -1,5 +0,0 @@ -import scala.reflect.macros.{Context => Ctx} - -object Impls { - def foo(c: Ctx)(x: c.Expr[Any]) = ??? -} diff --git a/test/files/neg/macro-invalidshape-b/Macros_Test_2.scala b/test/files/neg/macro-invalidshape-b/Macros_Test_2.scala deleted file mode 100644 index b67cd32a6e..0000000000 --- a/test/files/neg/macro-invalidshape-b/Macros_Test_2.scala +++ /dev/null @@ -1,8 +0,0 @@ -object Macros { - def foo(x: Any) = macro Impls.foo(null)(null) -} - -object Test extends App { - import Macros._ - foo(42) -}
\ No newline at end of file diff --git a/test/files/neg/macro-invalidshape-c.check b/test/files/neg/macro-invalidshape-c.check deleted file mode 100644 index 0b2e9cfe4f..0000000000 --- a/test/files/neg/macro-invalidshape-c.check +++ /dev/null @@ -1,9 +0,0 @@ -Macros_Test_2.scala:2: warning: a pure expression does nothing in statement position; you may be omitting necessary parentheses - def foo(x: Any) = macro {2; Impls.foo} - ^ -Macros_Test_2.scala:2: 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 foo(x: Any) = macro {2; Impls.foo} - ^ -one warning found -one error found diff --git a/test/files/neg/macro-invalidshape-c.flags b/test/files/neg/macro-invalidshape-c.flags deleted file mode 100644 index cd66464f2f..0000000000 --- a/test/files/neg/macro-invalidshape-c.flags +++ /dev/null @@ -1 +0,0 @@ --language:experimental.macros
\ No newline at end of file diff --git a/test/files/neg/macro-invalidshape-c/Impls_1.scala b/test/files/neg/macro-invalidshape-c/Impls_1.scala deleted file mode 100644 index 4467021545..0000000000 --- a/test/files/neg/macro-invalidshape-c/Impls_1.scala +++ /dev/null @@ -1,5 +0,0 @@ -import scala.reflect.macros.{Context => Ctx} - -object Impls { - def foo(c: Ctx)(x: c.Expr[Any]) = ??? -} diff --git a/test/files/neg/macro-invalidshape-c/Macros_Test_2.scala b/test/files/neg/macro-invalidshape-c/Macros_Test_2.scala deleted file mode 100644 index 552c3710c7..0000000000 --- a/test/files/neg/macro-invalidshape-c/Macros_Test_2.scala +++ /dev/null @@ -1,8 +0,0 @@ -object Macros { - def foo(x: Any) = macro {2; Impls.foo} -} - -object Test extends App { - import Macros._ - foo(42) -}
\ No newline at end of file diff --git a/test/files/neg/macro-invalidshape-d.check b/test/files/neg/macro-invalidshape-d.check deleted file mode 100644 index e43a2ca0ab..0000000000 --- a/test/files/neg/macro-invalidshape-d.check +++ /dev/null @@ -1,8 +0,0 @@ -Macros_Test_2.scala:2: warning: macro is now a reserved word; usage as an identifier is deprecated - def foo(x: Any) = {2; macro Impls.foo} - ^ -Macros_Test_2.scala:2: error: ';' expected but '.' found. - def foo(x: Any) = {2; macro Impls.foo} - ^ -one warning found -one error found diff --git a/test/files/neg/macro-invalidshape-d.flags b/test/files/neg/macro-invalidshape-d.flags deleted file mode 100644 index 83b7265eb9..0000000000 --- a/test/files/neg/macro-invalidshape-d.flags +++ /dev/null @@ -1 +0,0 @@ --deprecation -language:experimental.macros diff --git a/test/files/neg/macro-invalidshape-d/Impls_1.scala b/test/files/neg/macro-invalidshape-d/Impls_1.scala deleted file mode 100644 index 4467021545..0000000000 --- a/test/files/neg/macro-invalidshape-d/Impls_1.scala +++ /dev/null @@ -1,5 +0,0 @@ -import scala.reflect.macros.{Context => Ctx} - -object Impls { - def foo(c: Ctx)(x: c.Expr[Any]) = ??? -} diff --git a/test/files/neg/macro-invalidshape-d/Macros_Test_2.scala b/test/files/neg/macro-invalidshape-d/Macros_Test_2.scala deleted file mode 100644 index bacd9a6e7c..0000000000 --- a/test/files/neg/macro-invalidshape-d/Macros_Test_2.scala +++ /dev/null @@ -1,8 +0,0 @@ -object Macros { - def foo(x: Any) = {2; macro Impls.foo} -} - -object Test extends App { - import Macros._ - foo(42) -}
\ No newline at end of file diff --git a/test/files/neg/macro-invalidshape.check b/test/files/neg/macro-invalidshape.check new file mode 100644 index 0000000000..aa694df6d6 --- /dev/null +++ b/test/files/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/test/files/neg/macro-invalidimpl-b.flags b/test/files/neg/macro-invalidshape.flags index cd66464f2f..cd66464f2f 100644 --- a/test/files/neg/macro-invalidimpl-b.flags +++ b/test/files/neg/macro-invalidshape.flags diff --git a/test/files/neg/macro-invalidshape/Impls_1.scala b/test/files/neg/macro-invalidshape/Impls_1.scala new file mode 100644 index 0000000000..acc6b52b7b --- /dev/null +++ b/test/files/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/test/files/neg/macro-invalidshape/Macros_Test_2.scala b/test/files/neg/macro-invalidshape/Macros_Test_2.scala new file mode 100644 index 0000000000..160bbf5f53 --- /dev/null +++ b/test/files/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) +}
\ No newline at end of file diff --git a/test/files/neg/macro-invalidsig-context-bounds.check b/test/files/neg/macro-invalidsig-context-bounds.check deleted file mode 100644 index cbb2b06892..0000000000 --- a/test/files/neg/macro-invalidsig-context-bounds.check +++ /dev/null @@ -1,4 +0,0 @@ -Macros_Test_1.scala:2: error: macro implementations cannot have implicit parameters other than WeakTypeTag evidences - def foo[U] = macro Impls.foo[U] - ^ -one error found diff --git a/test/files/neg/macro-invalidsig-context-bounds.flags b/test/files/neg/macro-invalidsig-context-bounds.flags deleted file mode 100644 index cd66464f2f..0000000000 --- a/test/files/neg/macro-invalidsig-context-bounds.flags +++ /dev/null @@ -1 +0,0 @@ --language:experimental.macros
\ No newline at end of file diff --git a/test/files/neg/macro-invalidsig-context-bounds/Impls_1.scala b/test/files/neg/macro-invalidsig-context-bounds/Impls_1.scala deleted file mode 100644 index c066c485b1..0000000000 --- a/test/files/neg/macro-invalidsig-context-bounds/Impls_1.scala +++ /dev/null @@ -1,9 +0,0 @@ -import scala.reflect.runtime.universe._ -import scala.reflect.macros.{Context => Ctx} - -object Impls { - def foo[U: c.WeakTypeTag: Numeric](c: Ctx) = { - import c.universe._ - Literal(Constant(42)) - } -}
\ No newline at end of file diff --git a/test/files/neg/macro-invalidsig-context-bounds/Macros_Test_1.scala b/test/files/neg/macro-invalidsig-context-bounds/Macros_Test_1.scala deleted file mode 100644 index 5b4602f328..0000000000 --- a/test/files/neg/macro-invalidsig-context-bounds/Macros_Test_1.scala +++ /dev/null @@ -1,8 +0,0 @@ -object Macros { - def foo[U] = macro Impls.foo[U] -} - -object Test extends App { - import Macros._ - println(foo[String]) -}
\ No newline at end of file diff --git a/test/files/neg/macro-invalidsig-ctx-badargc.check b/test/files/neg/macro-invalidsig-ctx-badargc.check deleted file mode 100644 index 7e8bcbaf74..0000000000 --- a/test/files/neg/macro-invalidsig-ctx-badargc.check +++ /dev/null @@ -1,7 +0,0 @@ -Macros_Test_2.scala:2: error: macro implementation has incompatible shape: - required: (c: scala.reflect.macros.Context): c.Expr[Any] - found : : Nothing -number of parameter sections differ - def foo = macro Impls.foo - ^ -one error found diff --git a/test/files/neg/macro-invalidsig-ctx-badargc.flags b/test/files/neg/macro-invalidsig-ctx-badargc.flags deleted file mode 100644 index cd66464f2f..0000000000 --- a/test/files/neg/macro-invalidsig-ctx-badargc.flags +++ /dev/null @@ -1 +0,0 @@ --language:experimental.macros
\ No newline at end of file diff --git a/test/files/neg/macro-invalidsig-ctx-badargc/Impls_1.scala b/test/files/neg/macro-invalidsig-ctx-badargc/Impls_1.scala deleted file mode 100644 index 4d5d29158f..0000000000 --- a/test/files/neg/macro-invalidsig-ctx-badargc/Impls_1.scala +++ /dev/null @@ -1,3 +0,0 @@ -object Impls { - def foo = ??? -} diff --git a/test/files/neg/macro-invalidsig-ctx-badargc/Macros_Test_2.scala b/test/files/neg/macro-invalidsig-ctx-badargc/Macros_Test_2.scala deleted file mode 100644 index 96a8de2832..0000000000 --- a/test/files/neg/macro-invalidsig-ctx-badargc/Macros_Test_2.scala +++ /dev/null @@ -1,8 +0,0 @@ -object Macros { - def foo = macro Impls.foo -} - -object Test extends App { - import Macros._ - foo -}
\ No newline at end of file diff --git a/test/files/neg/macro-invalidsig-ctx-badtype.check b/test/files/neg/macro-invalidsig-ctx-badtype.check deleted file mode 100644 index 837ec3e496..0000000000 --- a/test/files/neg/macro-invalidsig-ctx-badtype.check +++ /dev/null @@ -1,7 +0,0 @@ -Macros_Test_2.scala:2: error: macro implementation has incompatible shape: - required: (c: scala.reflect.macros.Context): c.Expr[Any] - found : (c: scala.reflect.api.Universe): Nothing -type mismatch for parameter c: scala.reflect.macros.Context does not conform to scala.reflect.api.Universe - def foo = macro Impls.foo - ^ -one error found diff --git a/test/files/neg/macro-invalidsig-ctx-badtype.flags b/test/files/neg/macro-invalidsig-ctx-badtype.flags deleted file mode 100644 index cd66464f2f..0000000000 --- a/test/files/neg/macro-invalidsig-ctx-badtype.flags +++ /dev/null @@ -1 +0,0 @@ --language:experimental.macros
\ No newline at end of file diff --git a/test/files/neg/macro-invalidsig-ctx-badtype/Impls_1.scala b/test/files/neg/macro-invalidsig-ctx-badtype/Impls_1.scala deleted file mode 100644 index cf1a4cf85c..0000000000 --- a/test/files/neg/macro-invalidsig-ctx-badtype/Impls_1.scala +++ /dev/null @@ -1,5 +0,0 @@ -import scala.reflect.api.{Universe => Ctx} - -object Impls { - def foo(c: Ctx) = ??? -} diff --git a/test/files/neg/macro-invalidsig-ctx-badtype/Macros_Test_2.scala b/test/files/neg/macro-invalidsig-ctx-badtype/Macros_Test_2.scala deleted file mode 100644 index 96a8de2832..0000000000 --- a/test/files/neg/macro-invalidsig-ctx-badtype/Macros_Test_2.scala +++ /dev/null @@ -1,8 +0,0 @@ -object Macros { - def foo = macro Impls.foo -} - -object Test extends App { - import Macros._ - foo -}
\ No newline at end of file diff --git a/test/files/neg/macro-invalidsig-ctx-badvarargs.check b/test/files/neg/macro-invalidsig-ctx-badvarargs.check deleted file mode 100644 index a96421a8c4..0000000000 --- a/test/files/neg/macro-invalidsig-ctx-badvarargs.check +++ /dev/null @@ -1,7 +0,0 @@ -Macros_Test_2.scala:2: error: macro implementation has incompatible shape: - required: (c: scala.reflect.macros.Context): c.Expr[Any] - found : (cs: scala.reflect.macros.Context*): Nothing -types incompatible for parameter cs: corresponding is not a vararg parameter - def foo = macro Impls.foo - ^ -one error found diff --git a/test/files/neg/macro-invalidsig-ctx-badvarargs.flags b/test/files/neg/macro-invalidsig-ctx-badvarargs.flags deleted file mode 100644 index cd66464f2f..0000000000 --- a/test/files/neg/macro-invalidsig-ctx-badvarargs.flags +++ /dev/null @@ -1 +0,0 @@ --language:experimental.macros
\ No newline at end of file diff --git a/test/files/neg/macro-invalidsig-ctx-badvarargs/Impls_1.scala b/test/files/neg/macro-invalidsig-ctx-badvarargs/Impls_1.scala deleted file mode 100644 index c4ed8be91e..0000000000 --- a/test/files/neg/macro-invalidsig-ctx-badvarargs/Impls_1.scala +++ /dev/null @@ -1,5 +0,0 @@ -import scala.reflect.macros.{Context => Ctx} - -object Impls { - def foo(cs: Ctx*) = ??? -} diff --git a/test/files/neg/macro-invalidsig-ctx-badvarargs/Macros_Test_2.scala b/test/files/neg/macro-invalidsig-ctx-badvarargs/Macros_Test_2.scala deleted file mode 100644 index 96a8de2832..0000000000 --- a/test/files/neg/macro-invalidsig-ctx-badvarargs/Macros_Test_2.scala +++ /dev/null @@ -1,8 +0,0 @@ -object Macros { - def foo = macro Impls.foo -} - -object Test extends App { - import Macros._ - foo -}
\ No newline at end of file diff --git a/test/files/neg/macro-invalidsig-ctx-noctx.check b/test/files/neg/macro-invalidsig-ctx-noctx.check deleted file mode 100644 index fd3632eb9b..0000000000 --- a/test/files/neg/macro-invalidsig-ctx-noctx.check +++ /dev/null @@ -1,7 +0,0 @@ -Macros_Test_2.scala:2: error: macro implementation has incompatible shape: - required: (c: scala.reflect.macros.Context)(x: c.Expr[Any]): c.Expr[Any] - found : (c: scala.reflect.macros.Context): Nothing -number of parameter sections differ - def foo(x: Any) = macro Impls.foo - ^ -one error found diff --git a/test/files/neg/macro-invalidsig-ctx-noctx.flags b/test/files/neg/macro-invalidsig-ctx-noctx.flags deleted file mode 100644 index cd66464f2f..0000000000 --- a/test/files/neg/macro-invalidsig-ctx-noctx.flags +++ /dev/null @@ -1 +0,0 @@ --language:experimental.macros
\ No newline at end of file diff --git a/test/files/neg/macro-invalidsig-ctx-noctx/Impls_1.scala b/test/files/neg/macro-invalidsig-ctx-noctx/Impls_1.scala deleted file mode 100644 index 6904cfb1dc..0000000000 --- a/test/files/neg/macro-invalidsig-ctx-noctx/Impls_1.scala +++ /dev/null @@ -1,5 +0,0 @@ -import scala.reflect.macros.{Context => Ctx} - -object Impls { - def foo(c: Ctx) = ??? -} diff --git a/test/files/neg/macro-invalidsig-ctx-noctx/Macros_Test_2.scala b/test/files/neg/macro-invalidsig-ctx-noctx/Macros_Test_2.scala deleted file mode 100644 index e053cf99df..0000000000 --- a/test/files/neg/macro-invalidsig-ctx-noctx/Macros_Test_2.scala +++ /dev/null @@ -1,8 +0,0 @@ -object Macros { - def foo(x: Any) = macro Impls.foo -} - -object Test extends App { - import Macros._ - foo(42) -}
\ No newline at end of file diff --git a/test/files/neg/macro-invalidsig-implicit-params.check b/test/files/neg/macro-invalidsig-implicit-params.check deleted file mode 100644 index 900098fd98..0000000000 --- a/test/files/neg/macro-invalidsig-implicit-params.check +++ /dev/null @@ -1,4 +0,0 @@ -Impls_Macros_1.scala:18: error: macro implementations cannot have implicit parameters other than WeakTypeTag evidences - def foo_targs[U](x: Int) = macro Impls.foo_targs[T, U] - ^ -one error found diff --git a/test/files/neg/macro-invalidsig-implicit-params.flags b/test/files/neg/macro-invalidsig-implicit-params.flags deleted file mode 100644 index cd66464f2f..0000000000 --- a/test/files/neg/macro-invalidsig-implicit-params.flags +++ /dev/null @@ -1 +0,0 @@ --language:experimental.macros
\ No newline at end of file diff --git a/test/files/neg/macro-invalidsig-implicit-params/Impls_Macros_1.scala b/test/files/neg/macro-invalidsig-implicit-params/Impls_Macros_1.scala deleted file mode 100644 index 7a7293422e..0000000000 --- a/test/files/neg/macro-invalidsig-implicit-params/Impls_Macros_1.scala +++ /dev/null @@ -1,19 +0,0 @@ -import scala.reflect.runtime.universe._ -import scala.reflect.macros.{Context => Ctx} - -object Impls { - def foo_targs[T, U: c.WeakTypeTag](c: Ctx)(implicit x: c.Expr[Int]) = { - import c.{prefix => prefix} - import c.universe._ - val body = Block(List( - Apply(Select(Ident(definitions.PredefModule), newTermName("println")), List(Literal(Constant("invoking foo_targs...")))), - Apply(Select(Ident(definitions.PredefModule), newTermName("println")), List(Literal(Constant("type of prefix is: " + prefix.staticType)))), - Apply(Select(Ident(definitions.PredefModule), newTermName("println")), List(Literal(Constant("U is: " + implicitly[c.WeakTypeTag[U]].tpe))))), - Literal(Constant(()))) - c.Expr[Unit](body) - } -} - -class Macros[T] { - def foo_targs[U](x: Int) = macro Impls.foo_targs[T, U] -}
\ No newline at end of file diff --git a/test/files/neg/macro-invalidsig-implicit-params/Test_2.scala b/test/files/neg/macro-invalidsig-implicit-params/Test_2.scala deleted file mode 100644 index 90e850df21..0000000000 --- a/test/files/neg/macro-invalidsig-implicit-params/Test_2.scala +++ /dev/null @@ -1,4 +0,0 @@ -object Test extends App { - println("foo_targs:") - new Macros[Int]().foo_targs[String](42) -}
\ No newline at end of file diff --git a/test/files/neg/macro-invalidsig-params-badargc.check b/test/files/neg/macro-invalidsig-params-badargc.check deleted file mode 100644 index bb26b24f80..0000000000 --- a/test/files/neg/macro-invalidsig-params-badargc.check +++ /dev/null @@ -1,7 +0,0 @@ -Impls_Macros_1.scala:8: error: macro implementation has incompatible shape: - required: (c: scala.reflect.macros.Context)(x: c.Expr[Int]): c.Expr[Any] - found : (c: scala.reflect.macros.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 Impls.foo - ^ -one error found diff --git a/test/files/neg/macro-invalidsig-params-badargc.flags b/test/files/neg/macro-invalidsig-params-badargc.flags deleted file mode 100644 index cd66464f2f..0000000000 --- a/test/files/neg/macro-invalidsig-params-badargc.flags +++ /dev/null @@ -1 +0,0 @@ --language:experimental.macros
\ No newline at end of file diff --git a/test/files/neg/macro-invalidsig-params-badargc/Impls_Macros_1.scala b/test/files/neg/macro-invalidsig-params-badargc/Impls_Macros_1.scala deleted file mode 100644 index ae16612b93..0000000000 --- a/test/files/neg/macro-invalidsig-params-badargc/Impls_Macros_1.scala +++ /dev/null @@ -1,9 +0,0 @@ -import scala.reflect.macros.{Context => Ctx} - -object Impls { - def foo(c: Ctx)(x: c.Expr[Int], y: c.Expr[Int]) = ??? -} - -object Macros { - def foo(x: Int) = macro Impls.foo -} diff --git a/test/files/neg/macro-invalidsig-params-badtype.check b/test/files/neg/macro-invalidsig-params-badtype.check index 82276141a4..159754c72e 100644 --- a/test/files/neg/macro-invalidsig-params-badtype.check +++ b/test/files/neg/macro-invalidsig-params-badtype.check @@ -1,7 +1,8 @@ Impls_Macros_1.scala:8: error: macro implementation has incompatible shape: - required: (c: scala.reflect.macros.Context)(x: c.Expr[Int]): c.Expr[Any] - found : (c: scala.reflect.macros.Context)(x: c.universe.Tree): Nothing -type mismatch for parameter x: c.Expr[Int] does not conform to c.universe.Tree + 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/test/files/neg/macro-invalidsig-params-badtype/Impls_Macros_1.scala b/test/files/neg/macro-invalidsig-params-badtype/Impls_Macros_1.scala index ab90b85881..e549cc9576 100644 --- a/test/files/neg/macro-invalidsig-params-badtype/Impls_Macros_1.scala +++ b/test/files/neg/macro-invalidsig-params-badtype/Impls_Macros_1.scala @@ -1,7 +1,7 @@ -import scala.reflect.macros.{Context => Ctx} +import scala.reflect.macros.blackbox.Context object Impls { - def foo(c: Ctx)(x: c.universe.Tree) = ??? + def foo(c: Context)(x: Int) = ??? } object Macros { diff --git a/test/files/neg/macro-invalidsig-params-badtype/Test_2.scala b/test/files/neg/macro-invalidsig-params-badtype/Test_2.scala deleted file mode 100644 index cbd6232073..0000000000 --- a/test/files/neg/macro-invalidsig-params-badtype/Test_2.scala +++ /dev/null @@ -1,4 +0,0 @@ -object Test extends App { - import Macros._ - foo(42) -}
\ No newline at end of file diff --git a/test/files/neg/macro-invalidsig-params-badvarargs.check b/test/files/neg/macro-invalidsig-params-badvarargs.check deleted file mode 100644 index cb4d2d91b1..0000000000 --- a/test/files/neg/macro-invalidsig-params-badvarargs.check +++ /dev/null @@ -1,7 +0,0 @@ -Impls_Macros_1.scala:8: error: macro implementation has incompatible shape: - required: (c: scala.reflect.macros.Context)(x: c.Expr[Int], y: c.Expr[Int]): c.Expr[Any] - found : (c: scala.reflect.macros.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 Impls.foo - ^ -one error found diff --git a/test/files/neg/macro-invalidsig-params-badvarargs.flags b/test/files/neg/macro-invalidsig-params-badvarargs.flags deleted file mode 100644 index cd66464f2f..0000000000 --- a/test/files/neg/macro-invalidsig-params-badvarargs.flags +++ /dev/null @@ -1 +0,0 @@ --language:experimental.macros
\ No newline at end of file diff --git a/test/files/neg/macro-invalidsig-params-badvarargs/Impls_Macros_1.scala b/test/files/neg/macro-invalidsig-params-badvarargs/Impls_Macros_1.scala deleted file mode 100644 index b4c75ad0ba..0000000000 --- a/test/files/neg/macro-invalidsig-params-badvarargs/Impls_Macros_1.scala +++ /dev/null @@ -1,9 +0,0 @@ -import scala.reflect.macros.{Context => Ctx} - -object Impls { - def foo(c: Ctx)(xs: c.Expr[Int]*) = ??? -} - -object Macros { - def foo(x: Int, y: Int) = macro Impls.foo -} diff --git a/test/files/neg/macro-invalidsig-params-badvarargs/Test_2.scala b/test/files/neg/macro-invalidsig-params-badvarargs/Test_2.scala deleted file mode 100644 index fa50ac4f73..0000000000 --- a/test/files/neg/macro-invalidsig-params-badvarargs/Test_2.scala +++ /dev/null @@ -1,4 +0,0 @@ -object Test extends App { - import Macros._ - foo(42, 100) -}
\ No newline at end of file diff --git a/test/files/neg/macro-invalidsig-params-namemismatch.check b/test/files/neg/macro-invalidsig-params-namemismatch.check deleted file mode 100644 index 82612a94d3..0000000000 --- a/test/files/neg/macro-invalidsig-params-namemismatch.check +++ /dev/null @@ -1,7 +0,0 @@ -Impls_Macros_1.scala:8: error: macro implementation has incompatible shape: - required: (c: scala.reflect.macros.Context)(x: c.Expr[Int], y: c.Expr[Int]): c.Expr[Any] - found : (c: scala.reflect.macros.Context)(y: c.Expr[Int], x: c.Expr[Int]): Nothing -parameter names differ: x != y - def foo(x: Int, y: Int) = macro Impls.foo - ^ -one error found diff --git a/test/files/neg/macro-invalidsig-params-namemismatch.flags b/test/files/neg/macro-invalidsig-params-namemismatch.flags deleted file mode 100644 index cd66464f2f..0000000000 --- a/test/files/neg/macro-invalidsig-params-namemismatch.flags +++ /dev/null @@ -1 +0,0 @@ --language:experimental.macros
\ No newline at end of file diff --git a/test/files/neg/macro-invalidsig-params-namemismatch/Impls_Macros_1.scala b/test/files/neg/macro-invalidsig-params-namemismatch/Impls_Macros_1.scala deleted file mode 100644 index c7cf0b06c4..0000000000 --- a/test/files/neg/macro-invalidsig-params-namemismatch/Impls_Macros_1.scala +++ /dev/null @@ -1,9 +0,0 @@ -import scala.reflect.macros.{Context => Ctx} - -object Impls { - def foo(c: Ctx)(y: c.Expr[Int], x: c.Expr[Int]) = ??? -} - -object Macros { - def foo(x: Int, y: Int) = macro Impls.foo -} diff --git a/test/files/neg/macro-invalidsig-params-namemismatch/Test_2.scala b/test/files/neg/macro-invalidsig-params-namemismatch/Test_2.scala deleted file mode 100644 index fa50ac4f73..0000000000 --- a/test/files/neg/macro-invalidsig-params-namemismatch/Test_2.scala +++ /dev/null @@ -1,4 +0,0 @@ -object Test extends App { - import Macros._ - foo(42, 100) -}
\ No newline at end of file diff --git a/test/files/neg/macro-invalidsig-tparams-badtype.check b/test/files/neg/macro-invalidsig-tparams-badtype.check deleted file mode 100644 index 273d011412..0000000000 --- a/test/files/neg/macro-invalidsig-tparams-badtype.check +++ /dev/null @@ -1,7 +0,0 @@ -Macros_Test_2.scala:2: error: macro implementation has incompatible shape: - required: (c: scala.reflect.macros.Context): c.Expr[Any] - found : (c: scala.reflect.macros.Context)(U: c.universe.Type): Nothing -number of parameter sections differ - def foo[U] = macro Impls.foo[U] - ^ -one error found diff --git a/test/files/neg/macro-invalidsig-tparams-badtype.flags b/test/files/neg/macro-invalidsig-tparams-badtype.flags deleted file mode 100644 index cd66464f2f..0000000000 --- a/test/files/neg/macro-invalidsig-tparams-badtype.flags +++ /dev/null @@ -1 +0,0 @@ --language:experimental.macros
\ No newline at end of file diff --git a/test/files/neg/macro-invalidsig-tparams-badtype/Impls_1.scala b/test/files/neg/macro-invalidsig-tparams-badtype/Impls_1.scala deleted file mode 100644 index dbeca178a7..0000000000 --- a/test/files/neg/macro-invalidsig-tparams-badtype/Impls_1.scala +++ /dev/null @@ -1,5 +0,0 @@ -import scala.reflect.macros.{Context => Ctx} - -object Impls { - def foo[U](c: Ctx)(U: c.universe.Type) = ??? -} diff --git a/test/files/neg/macro-invalidsig-tparams-bounds-a.check b/test/files/neg/macro-invalidsig-tparams-bounds-a.check deleted file mode 100644 index b6248a1c47..0000000000 --- a/test/files/neg/macro-invalidsig-tparams-bounds-a.check +++ /dev/null @@ -1,4 +0,0 @@ -Macros_Test_2.scala:2: error: type arguments [U] do not conform to method foo's type parameter bounds [U <: String] - def foo[U] = macro Impls.foo[U] - ^ -one error found diff --git a/test/files/neg/macro-invalidsig-tparams-bounds-a.flags b/test/files/neg/macro-invalidsig-tparams-bounds-a.flags deleted file mode 100644 index cd66464f2f..0000000000 --- a/test/files/neg/macro-invalidsig-tparams-bounds-a.flags +++ /dev/null @@ -1 +0,0 @@ --language:experimental.macros
\ No newline at end of file diff --git a/test/files/neg/macro-invalidsig-tparams-bounds-a/Impls_1.scala b/test/files/neg/macro-invalidsig-tparams-bounds-a/Impls_1.scala deleted file mode 100644 index 89020de7dd..0000000000 --- a/test/files/neg/macro-invalidsig-tparams-bounds-a/Impls_1.scala +++ /dev/null @@ -1,5 +0,0 @@ -import scala.reflect.macros.{Context => Ctx} - -object Impls { - def foo[U <: String](c: Ctx) = ??? -} diff --git a/test/files/neg/macro-invalidsig-tparams-bounds-a/Macros_Test_2.scala b/test/files/neg/macro-invalidsig-tparams-bounds-a/Macros_Test_2.scala deleted file mode 100644 index a82e813221..0000000000 --- a/test/files/neg/macro-invalidsig-tparams-bounds-a/Macros_Test_2.scala +++ /dev/null @@ -1,8 +0,0 @@ -object Macros { - def foo[U] = macro Impls.foo[U] -} - -object Test extends App { - import Macros._ - foo[Int] -}
\ No newline at end of file diff --git a/test/files/neg/macro-invalidsig-tparams-bounds-b.check b/test/files/neg/macro-invalidsig-tparams-bounds-b.check deleted file mode 100644 index 74eb522cdd..0000000000 --- a/test/files/neg/macro-invalidsig-tparams-bounds-b.check +++ /dev/null @@ -1,4 +0,0 @@ -Macros_Test_2.scala:2: error: type arguments [U] do not conform to method foo's type parameter bounds [U <: String] - def foo[U <: Int] = macro Impls.foo[U] - ^ -one error found diff --git a/test/files/neg/macro-invalidsig-tparams-bounds-b.flags b/test/files/neg/macro-invalidsig-tparams-bounds-b.flags deleted file mode 100644 index cd66464f2f..0000000000 --- a/test/files/neg/macro-invalidsig-tparams-bounds-b.flags +++ /dev/null @@ -1 +0,0 @@ --language:experimental.macros
\ No newline at end of file diff --git a/test/files/neg/macro-invalidsig-tparams-bounds-b/Impls_1.scala b/test/files/neg/macro-invalidsig-tparams-bounds-b/Impls_1.scala deleted file mode 100644 index 89020de7dd..0000000000 --- a/test/files/neg/macro-invalidsig-tparams-bounds-b/Impls_1.scala +++ /dev/null @@ -1,5 +0,0 @@ -import scala.reflect.macros.{Context => Ctx} - -object Impls { - def foo[U <: String](c: Ctx) = ??? -} diff --git a/test/files/neg/macro-invalidsig-tparams-bounds-b/Macros_Test_2.scala b/test/files/neg/macro-invalidsig-tparams-bounds-b/Macros_Test_2.scala deleted file mode 100644 index eed6369a16..0000000000 --- a/test/files/neg/macro-invalidsig-tparams-bounds-b/Macros_Test_2.scala +++ /dev/null @@ -1,8 +0,0 @@ -object Macros { - def foo[U <: Int] = macro Impls.foo[U] -} - -object Test extends App { - import Macros._ - foo[Int] -}
\ No newline at end of file diff --git a/test/files/neg/macro-invalidsig-tparams-notparams-a.check b/test/files/neg/macro-invalidsig-tparams-notparams-a.check deleted file mode 100644 index c73125963f..0000000000 --- a/test/files/neg/macro-invalidsig-tparams-notparams-a.check +++ /dev/null @@ -1,4 +0,0 @@ -Macros_Test_2.scala:2: error: macro implementation reference has too few type arguments for method foo: [U](c: scala.reflect.macros.Context)(implicit evidence$1: c.WeakTypeTag[U])Nothing - def foo = macro Impls.foo - ^ -one error found diff --git a/test/files/neg/macro-invalidsig-tparams-notparams-a.flags b/test/files/neg/macro-invalidsig-tparams-notparams-a.flags deleted file mode 100644 index cd66464f2f..0000000000 --- a/test/files/neg/macro-invalidsig-tparams-notparams-a.flags +++ /dev/null @@ -1 +0,0 @@ --language:experimental.macros
\ No newline at end of file diff --git a/test/files/neg/macro-invalidsig-tparams-notparams-a/Impls_1.scala b/test/files/neg/macro-invalidsig-tparams-notparams-a/Impls_1.scala deleted file mode 100644 index f8b3c92869..0000000000 --- a/test/files/neg/macro-invalidsig-tparams-notparams-a/Impls_1.scala +++ /dev/null @@ -1,6 +0,0 @@ -import scala.reflect.runtime.universe._ -import scala.reflect.macros.{Context => Ctx} - -object Impls { - def foo[U: c.WeakTypeTag](c: Ctx) = ??? -}
\ No newline at end of file diff --git a/test/files/neg/macro-invalidsig-tparams-notparams-a/Macros_Test_2.scala b/test/files/neg/macro-invalidsig-tparams-notparams-a/Macros_Test_2.scala deleted file mode 100644 index 96a8de2832..0000000000 --- a/test/files/neg/macro-invalidsig-tparams-notparams-a/Macros_Test_2.scala +++ /dev/null @@ -1,8 +0,0 @@ -object Macros { - def foo = macro Impls.foo -} - -object Test extends App { - import Macros._ - foo -}
\ No newline at end of file diff --git a/test/files/neg/macro-invalidsig-tparams-notparams-b.check b/test/files/neg/macro-invalidsig-tparams-notparams-b.check deleted file mode 100644 index e3d45055de..0000000000 --- a/test/files/neg/macro-invalidsig-tparams-notparams-b.check +++ /dev/null @@ -1,4 +0,0 @@ -Macros_Test_2.scala:3: error: macro implementation reference has too few type arguments for method foo: [T, U, V](c: scala.reflect.macros.Context)(implicit evidence$1: c.WeakTypeTag[T], implicit evidence$2: c.WeakTypeTag[U], implicit V: c.WeakTypeTag[V])c.Expr[Unit] - def foo[V] = macro Impls.foo - ^ -one error found diff --git a/test/files/neg/macro-invalidsig-tparams-notparams-b.flags b/test/files/neg/macro-invalidsig-tparams-notparams-b.flags deleted file mode 100644 index cd66464f2f..0000000000 --- a/test/files/neg/macro-invalidsig-tparams-notparams-b.flags +++ /dev/null @@ -1 +0,0 @@ --language:experimental.macros
\ No newline at end of file diff --git a/test/files/neg/macro-invalidsig-tparams-notparams-b/Impls_1.scala b/test/files/neg/macro-invalidsig-tparams-notparams-b/Impls_1.scala deleted file mode 100644 index baf3aab9e3..0000000000 --- a/test/files/neg/macro-invalidsig-tparams-notparams-b/Impls_1.scala +++ /dev/null @@ -1,11 +0,0 @@ -import scala.reflect.runtime.universe._ -import scala.reflect.macros.{Context => Ctx} - -object Impls { - def foo[T: c.WeakTypeTag, U: c.WeakTypeTag, V](c: Ctx)(implicit V: c.WeakTypeTag[V]): c.Expr[Unit] = { - println(implicitly[c.WeakTypeTag[T]]) - println(implicitly[c.WeakTypeTag[U]]) - println(V) - c.literalUnit - } -}
\ No newline at end of file diff --git a/test/files/neg/macro-invalidsig-tparams-notparams-b/Macros_Test_2.scala b/test/files/neg/macro-invalidsig-tparams-notparams-b/Macros_Test_2.scala deleted file mode 100644 index 7d02bf613a..0000000000 --- a/test/files/neg/macro-invalidsig-tparams-notparams-b/Macros_Test_2.scala +++ /dev/null @@ -1,11 +0,0 @@ -class D[T] { - class C[U] { - def foo[V] = macro Impls.foo - } -} - -object Test extends App { - val outer1 = new D[Int] - val outer2 = new outer1.C[String] - outer2.foo[Boolean] -}
\ No newline at end of file diff --git a/test/files/neg/macro-invalidsig-tparams-notparams-c.check b/test/files/neg/macro-invalidsig-tparams-notparams-c.check deleted file mode 100644 index 0be0b6fad1..0000000000 --- a/test/files/neg/macro-invalidsig-tparams-notparams-c.check +++ /dev/null @@ -1,4 +0,0 @@ -Macros_Test_2.scala:3: error: wrong number of type parameters for method foo: [T, U, V](c: scala.reflect.macros.Context)(implicit evidence$1: c.WeakTypeTag[T], implicit evidence$2: c.WeakTypeTag[U], implicit V: c.WeakTypeTag[V])c.Expr[Unit] - def foo[V] = macro Impls.foo[V] - ^ -one error found diff --git a/test/files/neg/macro-invalidsig-tparams-notparams-c.flags b/test/files/neg/macro-invalidsig-tparams-notparams-c.flags deleted file mode 100644 index cd66464f2f..0000000000 --- a/test/files/neg/macro-invalidsig-tparams-notparams-c.flags +++ /dev/null @@ -1 +0,0 @@ --language:experimental.macros
\ No newline at end of file diff --git a/test/files/neg/macro-invalidsig-tparams-notparams-c/Impls_1.scala b/test/files/neg/macro-invalidsig-tparams-notparams-c/Impls_1.scala deleted file mode 100644 index 44b4ed6ab3..0000000000 --- a/test/files/neg/macro-invalidsig-tparams-notparams-c/Impls_1.scala +++ /dev/null @@ -1,12 +0,0 @@ -import scala.reflect.runtime.universe._ -import scala.reflect.macros.{Context => Ctx} - -object Impls { - def foo[T: c.WeakTypeTag, U: c.WeakTypeTag, V](c: Ctx)(implicit V: c.WeakTypeTag[V]): c.Expr[Unit] = { - import c.universe._ - println(implicitly[c.WeakTypeTag[T]]) - println(implicitly[c.WeakTypeTag[U]]) - println(V) - c.literalUnit - } -}
\ No newline at end of file diff --git a/test/files/neg/macro-invalidsig-tparams-notparams-c/Macros_Test_2.scala b/test/files/neg/macro-invalidsig-tparams-notparams-c/Macros_Test_2.scala deleted file mode 100644 index 109e142e52..0000000000 --- a/test/files/neg/macro-invalidsig-tparams-notparams-c/Macros_Test_2.scala +++ /dev/null @@ -1,11 +0,0 @@ -class D[T] { - class C[U] { - def foo[V] = macro Impls.foo[V] - } -} - -object Test extends App { - val outer1 = new D[Int] - val outer2 = new outer1.C[String] - outer2.foo[Boolean] -}
\ No newline at end of file diff --git a/test/files/neg/macro-invalidsig.check b/test/files/neg/macro-invalidsig.check new file mode 100644 index 0000000000..8898ffc3de --- /dev/null +++ b/test/files/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/test/files/neg/macro-invalidimpl-c.flags b/test/files/neg/macro-invalidsig.flags index cd66464f2f..cd66464f2f 100644 --- a/test/files/neg/macro-invalidimpl-c.flags +++ b/test/files/neg/macro-invalidsig.flags diff --git a/test/files/neg/macro-invalidsig/Impls_1.scala b/test/files/neg/macro-invalidsig/Impls_1.scala new file mode 100644 index 0000000000..b0a3912380 --- /dev/null +++ b/test/files/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"()") + } +}
\ No newline at end of file diff --git a/test/files/neg/macro-invalidsig/Macros_Test_2.scala b/test/files/neg/macro-invalidsig/Macros_Test_2.scala new file mode 100644 index 0000000000..89a5302d8a --- /dev/null +++ b/test/files/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] +}
\ No newline at end of file diff --git a/test/files/neg/macro-invalidusage-badargs.check b/test/files/neg/macro-invalidusage-badargs.check index 294cfd0cf5..4c1115418b 100644 --- a/test/files/neg/macro-invalidusage-badargs.check +++ b/test/files/neg/macro-invalidusage-badargs.check @@ -1,6 +1,18 @@ -Macros_Test_2.scala:7: error: type mismatch; +Macros_Test_2.scala:5: error: type mismatch; found : String("42") required: Int - val s: String = foo("42") - ^ -one error found + 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/test/files/neg/macro-invalidusage-badargs/Impls_1.scala b/test/files/neg/macro-invalidusage-badargs/Impls_1.scala index 52c9f9c3e9..8765cfbd5f 100644 --- a/test/files/neg/macro-invalidusage-badargs/Impls_1.scala +++ b/test/files/neg/macro-invalidusage-badargs/Impls_1.scala @@ -1,5 +1,5 @@ -import scala.reflect.macros.{Context => Ctx} +import scala.reflect.macros.blackbox.Context object Impls { - def foo(c: Ctx)(x: c.Expr[Int]) = x + def foo(c: Context)(x: c.Expr[Int]) = x } diff --git a/test/files/neg/macro-invalidusage-badargs/Macros_Test_2.scala b/test/files/neg/macro-invalidusage-badargs/Macros_Test_2.scala index a6af1bb277..cf8accf94f 100644 --- a/test/files/neg/macro-invalidusage-badargs/Macros_Test_2.scala +++ b/test/files/neg/macro-invalidusage-badargs/Macros_Test_2.scala @@ -1,8 +1,10 @@ -object Macros { - def foo(x: Int) = macro Impls.foo -} +object Macros { def foo(x: Int): Int = macro Impls.foo } +import Macros._ object Test extends App { - import Macros._ - val s: String = foo("42") + foo("42") + foo + foo(4)(2) + foo() + foo(4, 2) }
\ No newline at end of file diff --git a/test/files/neg/macro-invalidusage-badbounds-a.flags b/test/files/neg/macro-invalidusage-badbounds-a.flags deleted file mode 100644 index cd66464f2f..0000000000 --- a/test/files/neg/macro-invalidusage-badbounds-a.flags +++ /dev/null @@ -1 +0,0 @@ --language:experimental.macros
\ No newline at end of file diff --git a/test/files/neg/macro-invalidusage-badbounds-a/Impls_1.scala b/test/files/neg/macro-invalidusage-badbounds-a/Impls_1.scala deleted file mode 100644 index 6ee71a3628..0000000000 --- a/test/files/neg/macro-invalidusage-badbounds-a/Impls_1.scala +++ /dev/null @@ -1,5 +0,0 @@ -import scala.reflect.macros.{Context => Ctx} - -object Impls { - def foo[U <: String](c: Ctx) = c.literalUnit -} diff --git a/test/files/neg/macro-invalidusage-badbounds-a/Macros_Test_2.scala b/test/files/neg/macro-invalidusage-badbounds-a/Macros_Test_2.scala deleted file mode 100644 index 3139599108..0000000000 --- a/test/files/neg/macro-invalidusage-badbounds-a/Macros_Test_2.scala +++ /dev/null @@ -1,8 +0,0 @@ -object Macros { - def foo[U <: String] = macro Impls.foo[U] -} - -object Test extends App { - import Macros._ - foo[Int] -}
\ No newline at end of file diff --git a/test/files/neg/macro-invalidusage-badbounds-a.check b/test/files/neg/macro-invalidusage-badbounds.check index 277f407d38..277f407d38 100644 --- a/test/files/neg/macro-invalidusage-badbounds-a.check +++ b/test/files/neg/macro-invalidusage-badbounds.check diff --git a/test/files/neg/macro-invalidimpl-d.flags b/test/files/neg/macro-invalidusage-badbounds.flags index cd66464f2f..cd66464f2f 100644 --- a/test/files/neg/macro-invalidimpl-d.flags +++ b/test/files/neg/macro-invalidusage-badbounds.flags diff --git a/test/files/neg/macro-invalidusage-badbounds/Impls_1.scala b/test/files/neg/macro-invalidusage-badbounds/Impls_1.scala new file mode 100644 index 0000000000..1769da91e1 --- /dev/null +++ b/test/files/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/test/files/neg/macro-invalidsig-tparams-badtype/Macros_Test_2.scala b/test/files/neg/macro-invalidusage-badbounds/Macros_Test_2.scala index a82e813221..76397701f9 100644 --- a/test/files/neg/macro-invalidsig-tparams-badtype/Macros_Test_2.scala +++ b/test/files/neg/macro-invalidusage-badbounds/Macros_Test_2.scala @@ -1,5 +1,5 @@ object Macros { - def foo[U] = macro Impls.foo[U] + def foo[U <: String]: Unit = macro Impls.foo[U] } object Test extends App { diff --git a/test/files/neg/macro-invalidusage-badtargs.check b/test/files/neg/macro-invalidusage-badtargs.check index 73801ab43e..722ec03765 100644 --- a/test/files/neg/macro-invalidusage-badtargs.check +++ b/test/files/neg/macro-invalidusage-badtargs.check @@ -1,4 +1,18 @@ -Macros_Test_2.scala:7: error: macro method foo: (x: Int)Int does not take type parameters. - val s: String = foo[String](42) - ^ -one error found +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/test/files/neg/macro-invalidusage-badtargs/Impls_1.scala b/test/files/neg/macro-invalidusage-badtargs/Impls_1.scala index 52c9f9c3e9..8765cfbd5f 100644 --- a/test/files/neg/macro-invalidusage-badtargs/Impls_1.scala +++ b/test/files/neg/macro-invalidusage-badtargs/Impls_1.scala @@ -1,5 +1,5 @@ -import scala.reflect.macros.{Context => Ctx} +import scala.reflect.macros.blackbox.Context object Impls { - def foo(c: Ctx)(x: c.Expr[Int]) = x + def foo(c: Context)(x: c.Expr[Int]) = x } diff --git a/test/files/neg/macro-invalidusage-badtargs/Macros_Test_2.scala b/test/files/neg/macro-invalidusage-badtargs/Macros_Test_2.scala index c54093b637..47e51bbf44 100644 --- a/test/files/neg/macro-invalidusage-badtargs/Macros_Test_2.scala +++ b/test/files/neg/macro-invalidusage-badtargs/Macros_Test_2.scala @@ -1,8 +1,18 @@ +import scala.language.higherKinds + object Macros { - def foo(x: Int) = macro Impls.foo + 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._ - val s: String = foo[String](42) + foo1[String](42) + foo2[String, String](42) + foo3[String](42) + foo4[String](42) + foo5[List](42) }
\ No newline at end of file diff --git a/test/files/neg/macro-invalidusage-methodvaluesyntax/Impls_1.scala b/test/files/neg/macro-invalidusage-methodvaluesyntax/Impls_1.scala index 8d7fdf3e8a..776f8bf71c 100644 --- a/test/files/neg/macro-invalidusage-methodvaluesyntax/Impls_1.scala +++ b/test/files/neg/macro-invalidusage-methodvaluesyntax/Impls_1.scala @@ -1,9 +1,8 @@ -import scala.reflect.macros.{Context => Ctx} +import scala.reflect.macros.blackbox.Context object Impls { - def foo(c: Ctx) = { + def foo(c: Context) = { import c.universe._ - val body = Apply(Select(Ident(definitions.PredefModule), newTermName("println")), List(Literal(Constant("it works")))) - c.Expr[Unit](body) + c.Expr[Unit](q"""println("it works")""") } }
\ No newline at end of file diff --git a/test/files/neg/macro-invalidusage-methodvaluesyntax/Macros_Test_2.scala b/test/files/neg/macro-invalidusage-methodvaluesyntax/Macros_Test_2.scala index 343cec99b5..578aa45867 100644 --- a/test/files/neg/macro-invalidusage-methodvaluesyntax/Macros_Test_2.scala +++ b/test/files/neg/macro-invalidusage-methodvaluesyntax/Macros_Test_2.scala @@ -1,5 +1,5 @@ object Macros { - def foo = macro Impls.foo + def foo: Unit = macro Impls.foo } object Test extends App { diff --git a/test/files/neg/macro-invalidusage-nontypeable.check b/test/files/neg/macro-invalidusage-nontypeable.check new file mode 100644 index 0000000000..88e6057e5e --- /dev/null +++ b/test/files/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/test/files/neg/macro-invalidimpl-e.flags b/test/files/neg/macro-invalidusage-nontypeable.flags index cd66464f2f..cd66464f2f 100644 --- a/test/files/neg/macro-invalidimpl-e.flags +++ b/test/files/neg/macro-invalidusage-nontypeable.flags diff --git a/test/files/neg/macro-invalidusage-nontypeable/Impls_Macros_1.scala b/test/files/neg/macro-invalidusage-nontypeable/Impls_Macros_1.scala new file mode 100644 index 0000000000..b6b9611743 --- /dev/null +++ b/test/files/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 +}
\ No newline at end of file diff --git a/test/files/neg/macro-invalidimpl-c/Test_2.scala b/test/files/neg/macro-invalidusage-nontypeable/Test_2.scala index e75a8ba101..acfddae942 100644 --- a/test/files/neg/macro-invalidimpl-c/Test_2.scala +++ b/test/files/neg/macro-invalidusage-nontypeable/Test_2.scala @@ -1,3 +1,3 @@ object Test extends App { - new Macros().foo(42) + Macros.foo }
\ No newline at end of file diff --git a/test/files/neg/macro-invalidusage-presuper.check b/test/files/neg/macro-invalidusage-presuper.check new file mode 100644 index 0000000000..c0b1ec0248 --- /dev/null +++ b/test/files/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/test/files/neg/macro-invalidimpl-f.flags b/test/files/neg/macro-invalidusage-presuper.flags index cd66464f2f..cd66464f2f 100644 --- a/test/files/neg/macro-invalidimpl-f.flags +++ b/test/files/neg/macro-invalidusage-presuper.flags diff --git a/test/files/neg/macro-invalidusage-presuper/Impls_1.scala b/test/files/neg/macro-invalidusage-presuper/Impls_1.scala new file mode 100644 index 0000000000..ea98f01fa4 --- /dev/null +++ b/test/files/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/test/files/neg/macro-invalidusage-presuper/Macros_Test_2.scala b/test/files/neg/macro-invalidusage-presuper/Macros_Test_2.scala new file mode 100644 index 0000000000..ff46a5915f --- /dev/null +++ b/test/files/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/test/files/neg/macro-noexpand/Impls_1.scala b/test/files/neg/macro-noexpand/Impls_1.scala index 4467021545..acc6b52b7b 100644 --- a/test/files/neg/macro-noexpand/Impls_1.scala +++ b/test/files/neg/macro-noexpand/Impls_1.scala @@ -1,5 +1,5 @@ -import scala.reflect.macros.{Context => Ctx} +import scala.reflect.macros.blackbox.Context object Impls { - def foo(c: Ctx)(x: c.Expr[Any]) = ??? + def foo(c: Context)(x: c.Expr[Any]) = ??? } diff --git a/test/files/neg/macro-nontypeablebody/Impls_1.scala b/test/files/neg/macro-nontypeablebody/Impls_1.scala index 4467021545..acc6b52b7b 100644 --- a/test/files/neg/macro-nontypeablebody/Impls_1.scala +++ b/test/files/neg/macro-nontypeablebody/Impls_1.scala @@ -1,5 +1,5 @@ -import scala.reflect.macros.{Context => Ctx} +import scala.reflect.macros.blackbox.Context object Impls { - def foo(c: Ctx)(x: c.Expr[Any]) = ??? + def foo(c: Context)(x: c.Expr[Any]) = ??? } diff --git a/test/files/neg/macro-override-macro-overrides-abstract-method-a.check b/test/files/neg/macro-override-macro-overrides-abstract-method-a.check index 895e0dca50..6b5d3013ba 100644 --- a/test/files/neg/macro-override-macro-overrides-abstract-method-a.check +++ b/test/files/neg/macro-override-macro-overrides-abstract-method-a.check @@ -1,5 +1,5 @@ Impls_Macros_1.scala:12: error: overriding method foo in trait Foo of type (x: Int)Int; - macro method foo cannot override an abstract method - def foo(x: Int) = macro Impls.impl + 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/test/files/neg/macro-override-macro-overrides-abstract-method-a/Impls_Macros_1.scala b/test/files/neg/macro-override-macro-overrides-abstract-method-a/Impls_Macros_1.scala index e43264f52f..916b454463 100644 --- a/test/files/neg/macro-override-macro-overrides-abstract-method-a/Impls_Macros_1.scala +++ b/test/files/neg/macro-override-macro-overrides-abstract-method-a/Impls_Macros_1.scala @@ -1,7 +1,7 @@ -import scala.reflect.macros.{Context => Ctx} +import scala.reflect.macros.blackbox.Context object Impls { - def impl(c: Ctx)(x: c.Expr[Int]) = x + def impl(c: Context)(x: c.Expr[Int]) = x } trait Foo { @@ -9,5 +9,5 @@ trait Foo { } object Macros extends Foo { - def foo(x: Int) = macro Impls.impl + def foo(x: Int): Int = macro Impls.impl } diff --git a/test/files/neg/macro-override-macro-overrides-abstract-method-b.check b/test/files/neg/macro-override-macro-overrides-abstract-method-b.check index cde3dbdbe8..c733555549 100644 --- a/test/files/neg/macro-override-macro-overrides-abstract-method-b.check +++ b/test/files/neg/macro-override-macro-overrides-abstract-method-b.check @@ -1,11 +1,11 @@ -Test_2.scala:3: error: anonymous class $anon inherits conflicting members: +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 anonymous class $anon.) +(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 override a macro + 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/test/files/neg/macro-override-macro-overrides-abstract-method-b/Impls_Macros_1.scala b/test/files/neg/macro-override-macro-overrides-abstract-method-b/Impls_Macros_1.scala index f5b2555aa5..17827abf7a 100644 --- a/test/files/neg/macro-override-macro-overrides-abstract-method-b/Impls_Macros_1.scala +++ b/test/files/neg/macro-override-macro-overrides-abstract-method-b/Impls_Macros_1.scala @@ -1,4 +1,4 @@ -import scala.reflect.macros.Context +import scala.reflect.macros.blackbox.Context import language.experimental.macros trait T { def t(): Unit } diff --git a/test/files/neg/macro-override-method-overrides-macro.check b/test/files/neg/macro-override-method-overrides-macro.check index 66dc11be96..e396d65ff1 100644 --- a/test/files/neg/macro-override-method-overrides-macro.check +++ b/test/files/neg/macro-override-method-overrides-macro.check @@ -1,5 +1,5 @@ Macros_Test_2.scala:8: error: overriding macro method foo in class B of type (x: String)Unit; - method foo cannot override a macro - override def foo(x: String) = println("fooDString") + 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/test/files/neg/macro-override-method-overrides-macro/Impls_1.scala b/test/files/neg/macro-override-method-overrides-macro/Impls_1.scala index ec93dd4111..f3917e3093 100644 --- a/test/files/neg/macro-override-method-overrides-macro/Impls_1.scala +++ b/test/files/neg/macro-override-method-overrides-macro/Impls_1.scala @@ -1,15 +1,14 @@ -import scala.reflect.macros.{Context => Ctx} +import scala.reflect.macros.blackbox.Context object Impls { - def impl(c: Ctx)(tag: String, x: c.Expr[_]) = { + def impl(c: Context)(tag: String, x: c.Expr[_]) = { import c.{prefix => prefix} import c.universe._ - val body = Apply(Select(Ident(definitions.PredefModule), newTermName("println")), List(Literal(Constant(tag)), Literal(Constant(prefix.toString)), x.tree)) - c.Expr[Unit](body) + c.Expr[Unit](q"println($tag, ${prefix.toString}, $x)") } - def fooBString(c: Ctx)(x: c.Expr[_]) = impl(c)("fooBString", x) - def fooBInt(c: Ctx)(x: c.Expr[_]) = impl(c)("fooBInt", x) - def fooDInt(c: Ctx)(x: c.Expr[_]) = impl(c)("fooDInt", x) - def fooZString(c: Ctx)(x: c.Expr[_]) = impl(c)("fooZString", 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) }
\ No newline at end of file diff --git a/test/files/neg/macro-override-method-overrides-macro/Macros_Test_2.scala b/test/files/neg/macro-override-method-overrides-macro/Macros_Test_2.scala index 36821b05d8..d47157766e 100644 --- a/test/files/neg/macro-override-method-overrides-macro/Macros_Test_2.scala +++ b/test/files/neg/macro-override-method-overrides-macro/Macros_Test_2.scala @@ -1,15 +1,15 @@ class B { - def foo(x: String) = macro Impls.fooBString - def foo(x: Int) = macro Impls.fooBInt - def foo(x: Boolean) = println("fooBBoolean") + 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) = println("fooDString") - override def foo(x: Int) = macro Impls.fooDInt + 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) = macro Impls.fooZString - override def foo(x: Boolean) = println("fooZBoolean") + override def foo(x: String): Unit = macro Impls.fooZString + override def foo(x: Boolean): Unit = println("fooZBoolean") } diff --git a/test/files/neg/macro-qmarkqmarkqmark.check b/test/files/neg/macro-qmarkqmarkqmark.check index afd49e7d90..bc3e25edaf 100644 --- a/test/files/neg/macro-qmarkqmarkqmark.check +++ b/test/files/neg/macro-qmarkqmarkqmark.check @@ -1,7 +1,7 @@ macro-qmarkqmarkqmark.scala:5: error: macro implementation is missing foo1 ^ -macro-qmarkqmarkqmark.scala:8: error: macros cannot be partially applied +macro-qmarkqmarkqmark.scala:8: error: too few argument lists for macro invocation foo2 ^ macro-qmarkqmarkqmark.scala:9: error: macro implementation is missing diff --git a/test/files/neg/macro-quasiquotes.check b/test/files/neg/macro-quasiquotes.check new file mode 100644 index 0000000000..a985aee156 --- /dev/null +++ b/test/files/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/test/files/neg/macro-quasiquotes/Macros_1.scala b/test/files/neg/macro-quasiquotes/Macros_1.scala new file mode 100644 index 0000000000..b123c475c2 --- /dev/null +++ b/test/files/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 +}
\ No newline at end of file diff --git a/test/files/neg/macro-quasiquotes/Test_2.scala b/test/files/neg/macro-quasiquotes/Test_2.scala new file mode 100644 index 0000000000..c7b8948d79 --- /dev/null +++ b/test/files/neg/macro-quasiquotes/Test_2.scala @@ -0,0 +1,5 @@ +object Test extends App { + Macros.m1 + Macros.m2 + Macros.m3 +} diff --git a/test/files/neg/macro-reify-splice-splice.check b/test/files/neg/macro-reify-splice-splice.check new file mode 100644 index 0000000000..bd1ea7acee --- /dev/null +++ b/test/files/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/test/files/neg/macro-invalidimpl-g.flags b/test/files/neg/macro-reify-splice-splice.flags index cd66464f2f..cd66464f2f 100644 --- a/test/files/neg/macro-invalidimpl-g.flags +++ b/test/files/neg/macro-reify-splice-splice.flags diff --git a/test/files/neg/macro-reify-splice-splice/Macros_1.scala b/test/files/neg/macro-reify-splice-splice/Macros_1.scala new file mode 100644 index 0000000000..306e78ad97 --- /dev/null +++ b/test/files/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 + } + } +}
\ No newline at end of file diff --git a/test/files/neg/macro-reify-splice-splice/Test_2.scala b/test/files/neg/macro-reify-splice-splice/Test_2.scala new file mode 100644 index 0000000000..f697da6020 --- /dev/null +++ b/test/files/neg/macro-reify-splice-splice/Test_2.scala @@ -0,0 +1,3 @@ +object Test extends App { + println(Macros.foo) +}
\ No newline at end of file diff --git a/test/files/neg/macro-without-xmacros-a/Impls_1.scala b/test/files/neg/macro-without-xmacros-a/Impls_1.scala index 8976f8e28d..035913f3e3 100644 --- a/test/files/neg/macro-without-xmacros-a/Impls_1.scala +++ b/test/files/neg/macro-without-xmacros-a/Impls_1.scala @@ -1,18 +1,18 @@ -import scala.reflect.macros.{Context => Ctx} +import scala.reflect.macros.blackbox.Context object Impls { - def foo_impl(c: Ctx)(x: c.Expr[Int]): c.Expr[Int] = { + def foo_impl(c: Context)(x: c.Expr[Int]): c.Expr[Int] = { import c.universe._ - c.Expr(Apply(Select(x.tree, newTermName("$plus")), List(Literal(Constant(1))))) + c.Expr(q"$x + 1") } - def bar_impl(c: Ctx)(x: c.Expr[Int]): c.Expr[Int] = { + def bar_impl(c: Context)(x: c.Expr[Int]): c.Expr[Int] = { import c.universe._ - c.Expr(Apply(Select(x.tree, newTermName("$plus")), List(Literal(Constant(2))))) + c.Expr(q"$x + 2") } - def quux_impl(c: Ctx)(x: c.Expr[Int]): c.Expr[Int] = { + def quux_impl(c: Context)(x: c.Expr[Int]): c.Expr[Int] = { import c.universe._ - c.Expr(Apply(Select(x.tree, newTermName("$plus")), List(Literal(Constant(3))))) + c.Expr(q"$x + 3") } }
\ No newline at end of file diff --git a/test/files/neg/macro-without-xmacros-b/Impls_1.scala b/test/files/neg/macro-without-xmacros-b/Impls_1.scala index 8976f8e28d..035913f3e3 100644 --- a/test/files/neg/macro-without-xmacros-b/Impls_1.scala +++ b/test/files/neg/macro-without-xmacros-b/Impls_1.scala @@ -1,18 +1,18 @@ -import scala.reflect.macros.{Context => Ctx} +import scala.reflect.macros.blackbox.Context object Impls { - def foo_impl(c: Ctx)(x: c.Expr[Int]): c.Expr[Int] = { + def foo_impl(c: Context)(x: c.Expr[Int]): c.Expr[Int] = { import c.universe._ - c.Expr(Apply(Select(x.tree, newTermName("$plus")), List(Literal(Constant(1))))) + c.Expr(q"$x + 1") } - def bar_impl(c: Ctx)(x: c.Expr[Int]): c.Expr[Int] = { + def bar_impl(c: Context)(x: c.Expr[Int]): c.Expr[Int] = { import c.universe._ - c.Expr(Apply(Select(x.tree, newTermName("$plus")), List(Literal(Constant(2))))) + c.Expr(q"$x + 2") } - def quux_impl(c: Ctx)(x: c.Expr[Int]): c.Expr[Int] = { + def quux_impl(c: Context)(x: c.Expr[Int]): c.Expr[Int] = { import c.universe._ - c.Expr(Apply(Select(x.tree, newTermName("$plus")), List(Literal(Constant(3))))) + c.Expr(q"$x + 3") } }
\ No newline at end of file diff --git a/test/files/neg/main1.check b/test/files/neg/main1.check index 1a7a13e1e9..b745105818 100644 --- a/test/files/neg/main1.check +++ b/test/files/neg/main1.check @@ -1,26 +1,28 @@ -main1.scala:3: error: Foo has a main method with parameter type Array[String], but foo1.Foo will not be a runnable program. +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: error: Foo has a main method with parameter type Array[String], but foo2.Foo will not be a runnable program. +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: error: Foo has a main method with parameter type Array[String], but foo3.Foo will not be a runnable program. +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: error: Foo has a main method with parameter type Array[String], but foo4.Foo will not be a runnable program. +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: error: Foo has a main method with parameter type Array[String], but foo5.Foo will not be a runnable program. +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 ^ -5 errors found +error: No warnings can be incurred under -Xfatal-warnings. +5 warnings found +one error found diff --git a/test/files/neg/migration28.check b/test/files/neg/migration28.check index d7dfacf3db..afb4db62e2 100644 --- a/test/files/neg/migration28.check +++ b/test/files/neg/migration28.check @@ -1,5 +1,7 @@ -migration28.scala:4: error: method scanRight in trait TraversableLike has changed semantics in version 2.9.0: +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/test/files/neg/migration28.scala b/test/files/neg/migration28.scala index ba73eea436..facc9b36d2 100644 --- a/test/files/neg/migration28.scala +++ b/test/files/neg/migration28.scala @@ -1,9 +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/test/files/neg/missing-param-type-tuple.check b/test/files/neg/missing-param-type-tuple.check new file mode 100644 index 0000000000..3a4258ff8c --- /dev/null +++ b/test/files/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/test/files/neg/missing-param-type-tuple.scala b/test/files/neg/missing-param-type-tuple.scala new file mode 100644 index 0000000000..72c0c82034 --- /dev/null +++ b/test/files/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/test/files/neg/name-lookup-stable.check b/test/files/neg/name-lookup-stable.check new file mode 100644 index 0000000000..751df9505e --- /dev/null +++ b/test/files/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/test/files/neg/name-lookup-stable.scala b/test/files/neg/name-lookup-stable.scala new file mode 100644 index 0000000000..0d862f06e1 --- /dev/null +++ b/test/files/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/test/files/neg/names-defaults-neg-ref.check b/test/files/neg/names-defaults-neg-ref.check index 00052c72dc..61d66fd32a 100644 --- a/test/files/neg/names-defaults-neg-ref.check +++ b/test/files/neg/names-defaults-neg-ref.check @@ -1,4 +1,4 @@ -names-defaults-neg-ref.scala:3: error: in anonymous class $anon, multiple overloaded alternatives of method f define default arguments. +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 ^ diff --git a/test/files/neg/names-defaults-neg-warn.check b/test/files/neg/names-defaults-neg-warn.check index e1085acf76..0f4edef84e 100644 --- a/test/files/neg/names-defaults-neg-warn.check +++ b/test/files/neg/names-defaults-neg-warn.check @@ -1,7 +1,9 @@ -names-defaults-neg-warn.scala:11: error: the parameter name s has been deprecated. Use x instead. +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: error: the parameter name x has been deprecated. Use s instead. +names-defaults-neg-warn.scala:12: warning: the parameter name x has been deprecated. Use s instead. deprNam2.g(x = "dlkjf") ^ -two errors found +error: No warnings can be incurred under -Xfatal-warnings. +two warnings found +one error found diff --git a/test/files/neg/names-defaults-neg.check b/test/files/neg/names-defaults-neg.check index ea7c323b74..20ddd55f1f 100644 --- a/test/files/neg/names-defaults-neg.check +++ b/test/files/neg/names-defaults-neg.check @@ -7,6 +7,11 @@ names-defaults-neg.scala:5: error: type mismatch; 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) ^ @@ -83,7 +88,7 @@ names-defaults-neg.scala:76: error: no type parameters for method test4: (x: T[T --- because --- argument expression's type is not compatible with formal parameter type; found : List[Int] - required: ?T + required: ?T[?T[List[?T[X forSome { type X }]]]] Error occurred in an application involving default arguments. test4() ^ @@ -100,7 +105,7 @@ Error occurred in an application involving default arguments. ^ 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 ^ @@ -122,12 +127,24 @@ names-defaults-neg.scala:131: error: reference to var2 is ambiguous; it is both 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: wrong number of parameters; expected = 2 +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) } ^ @@ -165,4 +182,4 @@ names-defaults-neg.scala:180: error: reference to x is ambiguous; it is both a m class u18 { var x: Int = u.f(x = 1) } ^ four warnings found -41 errors found +46 errors found diff --git a/test/files/neg/nested-annotation.check b/test/files/neg/nested-annotation.check new file mode 100644 index 0000000000..ca263943fe --- /dev/null +++ b/test/files/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/test/files/neg/nested-annotation.scala b/test/files/neg/nested-annotation.scala new file mode 100644 index 0000000000..35c0cd3b75 --- /dev/null +++ b/test/files/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/test/files/neg/nested-fn-print.scala b/test/files/neg/nested-fn-print.scala index 9a4bd162c0..c599a235ab 100644 --- a/test/files/neg/nested-fn-print.scala +++ b/test/files/neg/nested-fn-print.scala @@ -2,7 +2,7 @@ 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" diff --git a/test/files/neg/newpat_unreachable.check b/test/files/neg/newpat_unreachable.check index 08453cac19..4463e2f1a4 100644 --- a/test/files/neg/newpat_unreachable.check +++ b/test/files/neg/newpat_unreachable.check @@ -1,27 +1,35 @@ -newpat_unreachable.scala:6: error: patterns after a variable pattern cannot match (SLS 8.1.1) +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: error: unreachable code due to variable pattern 'b' on line 6 +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: error: unreachable code due to variable pattern 'b' on line 6 +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: error: unreachable code due to variable pattern 'b' on line 6 +newpat_unreachable.scala:9: warning: unreachable code due to variable pattern 'b' on line 6 case _ => println("matched neither") ^ -newpat_unreachable.scala:22: error: patterns after a variable pattern cannot match (SLS 8.1.1) +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: error: unreachable code due to variable pattern 'b' on line 22 +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: error: unreachable code due to variable pattern 'b' on line 22 +newpat_unreachable.scala:24: warning: unreachable code due to variable pattern 'b' on line 22 case _ => 3 ^ -7 errors found +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/test/files/neg/no-implicit-to-anyref-any-val.check b/test/files/neg/no-implicit-to-anyref-any-val.check new file mode 100644 index 0000000000..5953e1bd6d --- /dev/null +++ b/test/files/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/test/files/neg/no-implicit-to-anyref.scala b/test/files/neg/no-implicit-to-anyref-any-val.scala index 3e3d373e38..f5daf541af 100644 --- a/test/files/neg/no-implicit-to-anyref.scala +++ b/test/files/neg/no-implicit-to-anyref-any-val.scala @@ -26,4 +26,8 @@ object Test { locally { new AV(0): AnyRef } + + "": AnyVal + + new Object() : AnyVal } diff --git a/test/files/neg/no-implicit-to-anyref.check b/test/files/neg/no-implicit-to-anyref.check deleted file mode 100644 index d94b57a30a..0000000000 --- a/test/files/neg/no-implicit-to-anyref.check +++ /dev/null @@ -1,28 +0,0 @@ -no-implicit-to-anyref.scala:11: error: type mismatch; - found : Int(1) - required: AnyRef -Note: an implicit exists from scala.Int => java.lang.Integer, but -methods inherited from Object are rendered ambiguous. This is to avoid -a blanket implicit which would convert any scala.Int to any AnyRef. -You may wish to use a type ascription: `x: java.lang.Integer`. - 1: AnyRef - ^ -no-implicit-to-anyref.scala:17: error: type mismatch; - found : Any - required: AnyRef - (null: Any): AnyRef - ^ -no-implicit-to-anyref.scala:21: error: type mismatch; - found : AnyVal - required: AnyRef - (0: AnyVal): AnyRef - ^ -no-implicit-to-anyref.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 - ^ -four errors found diff --git a/test/files/neg/nonlocal-warning.check b/test/files/neg/nonlocal-warning.check new file mode 100644 index 0000000000..5202df655a --- /dev/null +++ b/test/files/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/test/files/neg/nonlocal-warning.flags b/test/files/neg/nonlocal-warning.flags new file mode 100644 index 0000000000..e8fb65d50c --- /dev/null +++ b/test/files/neg/nonlocal-warning.flags @@ -0,0 +1 @@ +-Xfatal-warnings
\ No newline at end of file diff --git a/test/files/neg/nonlocal-warning.scala b/test/files/neg/nonlocal-warning.scala new file mode 100644 index 0000000000..f908a86302 --- /dev/null +++ b/test/files/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/test/files/neg/not-a-legal-formal-parameter-tuple.check b/test/files/neg/not-a-legal-formal-parameter-tuple.check new file mode 100644 index 0000000000..2b906b8ff3 --- /dev/null +++ b/test/files/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/test/files/neg/not-a-legal-formal-parameter-tuple.scala b/test/files/neg/not-a-legal-formal-parameter-tuple.scala new file mode 100644 index 0000000000..c7a13557df --- /dev/null +++ b/test/files/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/test/files/neg/null-unsoundness.scala b/test/files/neg/null-unsoundness.scala index 3f7e42fe17..0f8ed5e314 100644 --- a/test/files/neg/null-unsoundness.scala +++ b/test/files/neg/null-unsoundness.scala @@ -12,4 +12,3 @@ object Test extends A with App { type A = C y = 42 } - diff --git a/test/files/neg/nullary-override.check b/test/files/neg/nullary-override.check index 6b2ded2d4a..f032f4a6c2 100644 --- a/test/files/neg/nullary-override.check +++ b/test/files/neg/nullary-override.check @@ -1,4 +1,6 @@ -nullary-override.scala:2: error: non-nullary method overrides nullary method +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/test/files/neg/object-not-a-value.scala b/test/files/neg/object-not-a-value.scala index 2f894a33df..207b271df2 100644 --- a/test/files/neg/object-not-a-value.scala +++ b/test/files/neg/object-not-a-value.scala @@ -1,6 +1,6 @@ object Test { import java.util._ - + def main(args: Array[String]): Unit = { List(1) map (_ + 1) } diff --git a/test/files/neg/overload-msg.scala b/test/files/neg/overload-msg.scala index 896722262d..8715c156a2 100644 --- a/test/files/neg/overload-msg.scala +++ b/test/files/neg/overload-msg.scala @@ -1,4 +1,4 @@ // type parameter shadows actual type, massive overload error confuses. -class A(x: Int) { +class A(x: Int) { def f[Int](y: Int) = x + y } diff --git a/test/files/neg/overloaded-implicit.check b/test/files/neg/overloaded-implicit.check index bdbe6a89d5..ca0870705d 100644 --- a/test/files/neg/overloaded-implicit.check +++ b/test/files/neg/overloaded-implicit.check @@ -1,7 +1,9 @@ -overloaded-implicit.scala:2: error: parameterized overloaded implicit methods are not visible as view bounds +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: error: parameterized overloaded implicit methods are not visible as view bounds +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() ^ -two errors found +error: No warnings can be incurred under -Xfatal-warnings. +two warnings found +one error found diff --git a/test/files/neg/overloaded-implicit.flags b/test/files/neg/overloaded-implicit.flags index 7949c2afa2..9c1e74e4ef 100644 --- a/test/files/neg/overloaded-implicit.flags +++ b/test/files/neg/overloaded-implicit.flags @@ -1 +1 @@ --Xlint -Xfatal-warnings +-Xlint -Xfatal-warnings -Xdev diff --git a/test/files/neg/overloaded-implicit.scala b/test/files/neg/overloaded-implicit.scala index 9ab66cf560..68b1ceaa30 100644 --- a/test/files/neg/overloaded-implicit.scala +++ b/test/files/neg/overloaded-implicit.scala @@ -1,15 +1,15 @@ 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: 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/test/files/neg/override-object-no.scala b/test/files/neg/override-object-no.scala index 45961e4fa6..745cdb2332 100644 --- a/test/files/neg/override-object-no.scala +++ b/test/files/neg/override-object-no.scala @@ -25,7 +25,7 @@ package case1 { trait Quux4 extends Quux3 { override object Bar } // err } -// type parameter as-seen-from business +// type parameter as-seen-from business package case2 { // invariance (see pos for the covariant case) class Bar[T] diff --git a/test/files/neg/package-ob-case.check b/test/files/neg/package-ob-case.check deleted file mode 100644 index e6b2f858ef..0000000000 --- a/test/files/neg/package-ob-case.check +++ /dev/null @@ -1,5 +0,0 @@ -package-ob-case.scala:3: error: it is not recommended to define classes/objects inside of package objects. -If possible, define class X in package foo instead. - case class X(z: Int) { } - ^ -one error found diff --git a/test/files/neg/package-ob-case.flags b/test/files/neg/package-ob-case.flags deleted file mode 100644 index 6c1dd108ae..0000000000 --- a/test/files/neg/package-ob-case.flags +++ /dev/null @@ -1 +0,0 @@ --Xfatal-warnings -Xlint
\ No newline at end of file diff --git a/test/files/neg/package-ob-case.scala b/test/files/neg/package-ob-case.scala deleted file mode 100644 index 91a1fb7e48..0000000000 --- a/test/files/neg/package-ob-case.scala +++ /dev/null @@ -1,5 +0,0 @@ -package foo { - package object foo { - case class X(z: Int) { } - } -} diff --git a/test/files/neg/pat_unreachable.check b/test/files/neg/pat_unreachable.check index c5706b7fad..374ee4e9cf 100644 --- a/test/files/neg/pat_unreachable.check +++ b/test/files/neg/pat_unreachable.check @@ -1,13 +1,17 @@ -pat_unreachable.scala:5: error: unreachable code - case Seq(x, y, z, w) => List(z,w) // redundant! - ^ -pat_unreachable.scala:9: error: unreachable code - case Seq(x, y) => List(x, y) - ^ -pat_unreachable.scala:23: error: unreachable code +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: error: unreachable code +pat_unreachable.scala:24: warning: unreachable code due to variable pattern 'b' on line 22 case _ => println("matched neither") ^ -four errors found +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/test/files/neg/pat_unreachable.flags b/test/files/neg/pat_unreachable.flags index cb8324a345..85d8eb2ba2 100644 --- a/test/files/neg/pat_unreachable.flags +++ b/test/files/neg/pat_unreachable.flags @@ -1 +1 @@ --Xoldpatmat
\ No newline at end of file +-Xfatal-warnings diff --git a/test/files/neg/patmat-classtag-compound.check b/test/files/neg/patmat-classtag-compound.check new file mode 100644 index 0000000000..8a54c935bd --- /dev/null +++ b/test/files/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/test/files/neg/patmat-classtag-compound.flags b/test/files/neg/patmat-classtag-compound.flags new file mode 100644 index 0000000000..144ddac9d3 --- /dev/null +++ b/test/files/neg/patmat-classtag-compound.flags @@ -0,0 +1 @@ +-unchecked -Xfatal-warnings diff --git a/test/files/neg/patmat-classtag-compound.scala b/test/files/neg/patmat-classtag-compound.scala new file mode 100644 index 0000000000..e2d0df0a02 --- /dev/null +++ b/test/files/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/test/files/neg/patmat-type-check.check b/test/files/neg/patmat-type-check.check index 721217c314..fedac3b746 100644 --- a/test/files/neg/patmat-type-check.check +++ b/test/files/neg/patmat-type-check.check @@ -1,12 +1,27 @@ 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 @@ -28,4 +43,4 @@ patmat-type-check.scala:30: error: scrutinee is incompatible with pattern type; def f4[T](x: Bop3[Char]) = x match { case Seq('b', 'o', 'b') => true } // fail ^ three warnings found -four errors found +7 errors found diff --git a/test/files/neg/patmat-type-check.scala b/test/files/neg/patmat-type-check.scala index cc35089430..26d0409fa0 100644 --- a/test/files/neg/patmat-type-check.scala +++ b/test/files/neg/patmat-type-check.scala @@ -1,15 +1,15 @@ object Test { def s1 = "bob".toList match { case Seq('b', 'o', 'b') => true } // list ok - + // not final, allowed - class Bop + 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 } @@ -17,7 +17,7 @@ object Test // 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 @@ -25,7 +25,7 @@ object Test // 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/test/files/neg/patmatexhaust.check b/test/files/neg/patmatexhaust.check index 4556e6622f..2dad608451 100644 --- a/test/files/neg/patmatexhaust.check +++ b/test/files/neg/patmatexhaust.check @@ -1,40 +1,42 @@ -patmatexhaust.scala:7: error: match may not be exhaustive. +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: error: match may not be exhaustive. +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: error: match may not be exhaustive. +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: error: match may not be 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: error: unreachable code - case _ if 1 == 0 => +patmatexhaust.scala:55: warning: unreachable code + case _ if 1 == 0 => ^ -patmatexhaust.scala:53: error: match may not be exhaustive. +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: error: match may not be exhaustive. +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: error: match may not be exhaustive. +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: error: match may not be exhaustive. +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: error: match may not be exhaustive. +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. ^ -10 errors found +error: No warnings can be incurred under -Xfatal-warnings. +10 warnings found +one error found diff --git a/test/files/neg/patmatexhaust.scala b/test/files/neg/patmatexhaust.scala index ceb960ee97..f937197829 100644 --- a/test/files/neg/patmatexhaust.scala +++ b/test/files/neg/patmatexhaust.scala @@ -22,14 +22,14 @@ class TestSealedExhaustive { // compile only def ma3(x:Mult) = (x,x) match { // not exhaustive case (Kult(_), Qult()) => // Kult missing - //case Pair(Kult(_), Kult(_)) => + //case (Kult(_), Kult(_)) => case (Qult(), Kult(_)) => // Qult missing - //case Pair(Qult(), Qult()) => + //case (Qult(), Qult()) => } def ma3u(x:Mult) = ((x,x) : @unchecked) match { // not exhaustive, but not checked! - case (Kult(_), Qult()) => - case (Qult(), Kult(_)) => + case (Kult(_), Qult()) => + case (Qult(), Kult(_)) => } sealed abstract class Deep @@ -37,22 +37,22 @@ class TestSealedExhaustive { // compile only 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 Ga => case _ => } def ma4(x:Deep) = x match { // missing cases: Gu, Gp - case Ga => + case Ga => } def ma5(x:Deep) = x match { case Gu => - case _ if 1 == 0 => + case _ if 1 == 0 => case Ga => } @@ -65,7 +65,7 @@ class TestSealedExhaustive { // compile only case 1::2::Nil => case _ => } - + sealed class B case class B1() extends B case object B2 extends B @@ -76,7 +76,7 @@ class TestSealedExhaustive { // compile only 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 @@ -89,7 +89,7 @@ class TestSealedExhaustive { // compile only case C2 | C4 => true } } - + object ob2 { sealed abstract class C abstract class C1 extends C diff --git a/test/files/neg/patternalts.scala b/test/files/neg/patternalts.scala index 56b682b0ec..539df43201 100644 --- a/test/files/neg/patternalts.scala +++ b/test/files/neg/patternalts.scala @@ -1,5 +1,5 @@ object Test { List(1) match { case List(x) | List() => Console.println(x) - } + } } diff --git a/test/files/neg/permanent-blindness.check b/test/files/neg/permanent-blindness.check index 18b4543707..cdde201ef6 100644 --- a/test/files/neg/permanent-blindness.check +++ b/test/files/neg/permanent-blindness.check @@ -1,10 +1,12 @@ -permanent-blindness.scala:10: error: imported `Bippy' is permanently hidden by definition of class Bippy in package bar +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: error: imported `Bop' is permanently hidden by definition of object Bop in package bar +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: error: imported `Dingus' is permanently hidden by definition of object Dingus in package bar +permanent-blindness.scala:10: warning: imported `Dingus' is permanently hidden by definition of object Dingus in package bar import foo.{ Bippy, Bop, Dingus } ^ -three errors found +error: No warnings can be incurred under -Xfatal-warnings. +three warnings found +one error found diff --git a/test/files/neg/protected-constructors.check b/test/files/neg/protected-constructors.check index f137158ed6..f44d7db9b9 100644 --- a/test/files/neg/protected-constructors.check +++ b/test/files/neg/protected-constructors.check @@ -3,23 +3,20 @@ protected-constructors.scala:17: error: too many arguments for constructor Foo1: ^ 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 + 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 + 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 + 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") ^ -protected-constructors.scala:15: error: too many arguments for constructor Object: ()Object - class Bar3 extends Ding.Foo3("abc") - ^ -5 errors found +four errors found diff --git a/test/files/neg/protected-constructors.scala b/test/files/neg/protected-constructors.scala index f2662ee67c..2838caf09c 100644 --- a/test/files/neg/protected-constructors.scala +++ b/test/files/neg/protected-constructors.scala @@ -8,7 +8,7 @@ package dingus { package hungus { import dingus._ - + object P { class Bar1 extends Foo1("abc") class Bar2 extends Foo2("abc") diff --git a/test/files/neg/protected-static-fail.check b/test/files/neg/protected-static-fail.check index e149bc016f..9f0bc92e7d 100644 --- a/test/files/neg/protected-static-fail.check +++ b/test/files/neg/protected-static-fail.check @@ -3,13 +3,13 @@ S.scala:5: error: method f in object J cannot be accessed in object bippy.J ^ 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 + 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 + enclosing object Test in package bippy is not a subclass of class S2 in package bippy where target is defined x.f2() ^ diff --git a/test/files/neg/quasiquotes-syntax-error-position.check b/test/files/neg/quasiquotes-syntax-error-position.check new file mode 100644 index 0000000000..9fd6ce0417 --- /dev/null +++ b/test/files/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/test/files/neg/quasiquotes-syntax-error-position.scala b/test/files/neg/quasiquotes-syntax-error-position.scala new file mode 100644 index 0000000000..823fe9a551 --- /dev/null +++ b/test/files/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/test/files/neg/quasiquotes-unliftable-not-found.check b/test/files/neg/quasiquotes-unliftable-not-found.check new file mode 100644 index 0000000000..5594aa1b15 --- /dev/null +++ b/test/files/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/test/files/neg/quasiquotes-unliftable-not-found.scala b/test/files/neg/quasiquotes-unliftable-not-found.scala new file mode 100644 index 0000000000..6a5efae43b --- /dev/null +++ b/test/files/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"()" +}
\ No newline at end of file diff --git a/test/files/neg/raw-types-stubs.check b/test/files/neg/raw-types-stubs.check new file mode 100644 index 0000000000..f1b26a23b7 --- /dev/null +++ b/test/files/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/test/files/neg/raw-types-stubs/M_1.java b/test/files/neg/raw-types-stubs/M_1.java new file mode 100644 index 0000000000..6ea0d2e593 --- /dev/null +++ b/test/files/neg/raw-types-stubs/M_1.java @@ -0,0 +1,3 @@ +public class M_1<K extends String> { } + + diff --git a/test/files/neg/raw-types-stubs/Raw_2.java b/test/files/neg/raw-types-stubs/Raw_2.java new file mode 100644 index 0000000000..eff7df790e --- /dev/null +++ b/test/files/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/test/files/neg/raw-types-stubs/S_3.scala b/test/files/neg/raw-types-stubs/S_3.scala new file mode 100644 index 0000000000..618eedc888 --- /dev/null +++ b/test/files/neg/raw-types-stubs/S_3.scala @@ -0,0 +1 @@ +class Sub extends Raw_2 { } diff --git a/test/files/neg/reflection-names-neg.check b/test/files/neg/reflection-names-neg.check index a56a19e7fd..f941ec8dc1 100644 --- a/test/files/neg/reflection-names-neg.check +++ b/test/files/neg/reflection-names-neg.check @@ -7,4 +7,7 @@ Note that implicit conversions are not applicable because they are ambiguous: are possible conversion functions from String("abc") to reflect.runtime.universe.Name val x2 = ("abc": Name) drop 1 // error ^ -one error found +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/test/files/neg/run-gadts-strict.check b/test/files/neg/run-gadts-strict.check new file mode 100644 index 0000000000..b4d36c4629 --- /dev/null +++ b/test/files/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/test/files/neg/run-gadts-strict.flags b/test/files/neg/run-gadts-strict.flags new file mode 100644 index 0000000000..19243266d1 --- /dev/null +++ b/test/files/neg/run-gadts-strict.flags @@ -0,0 +1 @@ +-Xstrict-inference
\ No newline at end of file diff --git a/test/files/neg/run-gadts-strict.scala b/test/files/neg/run-gadts-strict.scala new file mode 100644 index 0000000000..041d10d4bd --- /dev/null +++ b/test/files/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/test/files/neg/saito.scala b/test/files/neg/saito.scala index bfabb4edf4..b4fcd598e4 100644 --- a/test/files/neg/saito.scala +++ b/test/files/neg/saito.scala @@ -2,13 +2,13 @@ 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(); + val b: B = a.m(); } } diff --git a/test/files/neg/sammy_restrictions.check b/test/files/neg/sammy_restrictions.check new file mode 100644 index 0000000000..8cc49f9aa9 --- /dev/null +++ b/test/files/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/test/files/neg/sammy_restrictions.flags b/test/files/neg/sammy_restrictions.flags new file mode 100644 index 0000000000..48fd867160 --- /dev/null +++ b/test/files/neg/sammy_restrictions.flags @@ -0,0 +1 @@ +-Xexperimental diff --git a/test/files/neg/sammy_restrictions.scala b/test/files/neg/sammy_restrictions.scala new file mode 100644 index 0000000000..5f1a04cd20 --- /dev/null +++ b/test/files/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/test/files/neg/sammy_wrong_arity.check b/test/files/neg/sammy_wrong_arity.check new file mode 100644 index 0000000000..af547a201d --- /dev/null +++ b/test/files/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/test/files/neg/sammy_wrong_arity.flags b/test/files/neg/sammy_wrong_arity.flags new file mode 100644 index 0000000000..48fd867160 --- /dev/null +++ b/test/files/neg/sammy_wrong_arity.flags @@ -0,0 +1 @@ +-Xexperimental diff --git a/test/files/neg/sammy_wrong_arity.scala b/test/files/neg/sammy_wrong_arity.scala new file mode 100644 index 0000000000..d03d266a0b --- /dev/null +++ b/test/files/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/test/files/neg/sealed-final-neg.check b/test/files/neg/sealed-final-neg.check new file mode 100644 index 0000000000..500d23f49a --- /dev/null +++ b/test/files/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/test/files/neg/sealed-final-neg.flags b/test/files/neg/sealed-final-neg.flags new file mode 100644 index 0000000000..cfabf7a5b4 --- /dev/null +++ b/test/files/neg/sealed-final-neg.flags @@ -0,0 +1 @@ +-Xfatal-warnings -Yinline-warnings -optimise
\ No newline at end of file diff --git a/test/files/neg/sealed-final-neg.scala b/test/files/neg/sealed-final-neg.scala new file mode 100644 index 0000000000..bc25330e13 --- /dev/null +++ b/test/files/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/test/files/neg/sealed-java-enums.check b/test/files/neg/sealed-java-enums.check index 20d00c8e91..a3c39ec5cd 100644 --- a/test/files/neg/sealed-java-enums.check +++ b/test/files/neg/sealed-java-enums.check @@ -1,5 +1,7 @@ -sealed-java-enums.scala:5: error: match may not be exhaustive. +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/test/files/neg/sensitive.scala b/test/files/neg/sensitive.scala index fa1b940844..a084a0a8ca 100644 --- a/test/files/neg/sensitive.scala +++ b/test/files/neg/sensitive.scala @@ -5,8 +5,8 @@ object Admin extends Certificate; class SecurityViolationException extends Exception object Sensitive { - def makeSensitive(credentials: Certificate): Sensitive = - if (credentials == Admin) new Sensitive() + def makeSensitive(credentials: Certificate): Sensitive = + if (credentials == Admin) new Sensitive() else throw new SecurityViolationException } class Sensitive private () { @@ -16,4 +16,3 @@ object Attacker { val x = Sensitive.makeSensitive(null) val y = new Sensitive() } - diff --git a/test/files/neg/serialversionuid-not-const.check b/test/files/neg/serialversionuid-not-const.check new file mode 100644 index 0000000000..9c383d97ad --- /dev/null +++ b/test/files/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/test/files/neg/serialversionuid-not-const.scala b/test/files/neg/serialversionuid-not-const.scala new file mode 100644 index 0000000000..f0e3ef4e7e --- /dev/null +++ b/test/files/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/test/files/neg/spec-overrides.scala b/test/files/neg/spec-overrides.scala index f77dadea5d..713ce27bd3 100644 --- a/test/files/neg/spec-overrides.scala +++ b/test/files/neg/spec-overrides.scala @@ -15,7 +15,7 @@ class FX2 extends P { 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)) diff --git a/test/files/neg/specification-scopes.check b/test/files/neg/specification-scopes.check index 7af9842379..ab986135e5 100644 --- a/test/files/neg/specification-scopes.check +++ b/test/files/neg/specification-scopes.check @@ -1,5 +1,5 @@ P_2.scala:14: error: reference to x is ambiguous; -it is both defined in object C and imported subsequently by +it is both defined in object C and imported subsequently by import Q.X._ println("L14: "+x) // reference to 'x' is ambiguous here ^ diff --git a/test/files/neg/stmt-expr-discard.check b/test/files/neg/stmt-expr-discard.check index 2d6420a61d..1207e6da50 100644 --- a/test/files/neg/stmt-expr-discard.check +++ b/test/files/neg/stmt-expr-discard.check @@ -1,7 +1,9 @@ -stmt-expr-discard.scala:3: error: a pure expression does nothing in statement position; you may be omitting necessary parentheses +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: error: a pure expression does nothing in statement position; you may be omitting necessary parentheses +stmt-expr-discard.scala:4: warning: a pure expression does nothing in statement position; you may be omitting necessary parentheses - 4 ^ -two errors found +error: No warnings can be incurred under -Xfatal-warnings. +two warnings found +one error found diff --git a/test/files/neg/stringinterpolation_macro-neg.check b/test/files/neg/stringinterpolation_macro-neg.check index 457f497f2f..703846ad62 100644 --- a/test/files/neg/stringinterpolation_macro-neg.check +++ b/test/files/neg/stringinterpolation_macro-neg.check @@ -1,61 +1,61 @@ -stringinterpolation_macro-neg.scala:8: error: too few parts +stringinterpolation_macro-neg.scala:13: error: there are no parts new StringContext().f() ^ -stringinterpolation_macro-neg.scala:9: error: too few arguments for interpolated string +stringinterpolation_macro-neg.scala:14: error: too few arguments for interpolated string new StringContext("", " is ", "%2d years old").f(s) ^ -stringinterpolation_macro-neg.scala:10: error: too many arguments for interpolated string +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:11: error: too few arguments for interpolated string +stringinterpolation_macro-neg.scala:16: error: too few arguments for interpolated string new StringContext("", "").f() ^ -stringinterpolation_macro-neg.scala:14: error: type mismatch; +stringinterpolation_macro-neg.scala:19: error: type mismatch; found : String required: Boolean f"$s%b" ^ -stringinterpolation_macro-neg.scala:15: error: type mismatch; +stringinterpolation_macro-neg.scala:20: error: type mismatch; found : String required: Char f"$s%c" ^ -stringinterpolation_macro-neg.scala:16: error: type mismatch; +stringinterpolation_macro-neg.scala:21: error: type mismatch; found : Double required: Char f"$f%c" ^ -stringinterpolation_macro-neg.scala:17: error: type mismatch; +stringinterpolation_macro-neg.scala:22: error: type mismatch; found : String required: Int f"$s%x" ^ -stringinterpolation_macro-neg.scala:18: error: type mismatch; +stringinterpolation_macro-neg.scala:23: error: type mismatch; found : Boolean required: Int f"$b%d" ^ -stringinterpolation_macro-neg.scala:19: error: type mismatch; +stringinterpolation_macro-neg.scala:24: error: type mismatch; found : String required: Int f"$s%d" ^ -stringinterpolation_macro-neg.scala:20: error: type mismatch; +stringinterpolation_macro-neg.scala:25: error: type mismatch; found : Double required: Int f"$f%o" ^ -stringinterpolation_macro-neg.scala:21: error: type mismatch; +stringinterpolation_macro-neg.scala:26: error: type mismatch; found : String required: Double f"$s%e" ^ -stringinterpolation_macro-neg.scala:22: error: type mismatch; +stringinterpolation_macro-neg.scala:27: error: type mismatch; found : Boolean required: Double f"$b%f" ^ -stringinterpolation_macro-neg.scala:27: error: type mismatch; +stringinterpolation_macro-neg.scala:32: error: type mismatch; found : String required: Int Note that implicit conversions are not applicable because they are ambiguous: @@ -64,7 +64,109 @@ Note that implicit conversions are not applicable because they are ambiguous: are possible conversion functions from String to Int f"$s%d" ^ -stringinterpolation_macro-neg.scala:30: error: illegal conversion character +stringinterpolation_macro-neg.scala:35: error: illegal conversion character 'i' f"$s%i" ^ -15 errors found +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"${d}random-leading-junk%d" + ^ +three warnings found +45 errors found diff --git a/test/files/neg/stringinterpolation_macro-neg.scala b/test/files/neg/stringinterpolation_macro-neg.scala index ac9d97d678..3869d42d66 100644 --- a/test/files/neg/stringinterpolation_macro-neg.scala +++ b/test/files/neg/stringinterpolation_macro-neg.scala @@ -3,6 +3,11 @@ object Test extends App { val d = 8 val b = false val f = 3.14159 + val c = 'c' + val t = new java.util.Date + val x = new java.util.Formattable { + def formatTo(ff: java.util.Formatter, g: Int, w: Int, p: Int): Unit = ff format "xxx" + } // 1) number of arguments new StringContext().f() @@ -28,4 +33,44 @@ object Test extends App { } f"$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/test/files/neg/structural.scala b/test/files/neg/structural.scala index bfca37b22a..d783399317 100644 --- a/test/files/neg/structural.scala +++ b/test/files/neg/structural.scala @@ -1,54 +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/test/files/neg/switch.check b/test/files/neg/switch.check index e4730b6459..f968d3a448 100644 --- a/test/files/neg/switch.check +++ b/test/files/neg/switch.check @@ -1,7 +1,9 @@ -switch.scala:38: error: could not emit switch for @switch annotated match +switch.scala:38: warning: could not emit switch for @switch annotated match def fail2(c: Char) = (c: @switch @unchecked) match { ^ -switch.scala:45: error: could not emit switch for @switch annotated match +switch.scala:45: warning: could not emit switch for @switch annotated match def fail3(c: Char) = (c: @unchecked @switch) match { ^ -two errors found +error: No warnings can be incurred under -Xfatal-warnings. +two warnings found +one error found diff --git a/test/files/neg/switch.scala b/test/files/neg/switch.scala index 198583fe41..a66ed768fa 100644 --- a/test/files/neg/switch.scala +++ b/test/files/neg/switch.scala @@ -16,44 +16,44 @@ object Main { 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 @@ -62,5 +62,5 @@ object Main { case 4 => 50 case 5|6|7|8 => 100 case _ => -1 - } + } } diff --git a/test/files/neg/t0117.scala b/test/files/neg/t0117.scala index c73227d26d..4cd9ad6ef1 100644 --- a/test/files/neg/t0117.scala +++ b/test/files/neg/t0117.scala @@ -3,4 +3,3 @@ trait B extends A { println(super[A].a) } object Test extends App { new B {} } - diff --git a/test/files/neg/t0152.scala b/test/files/neg/t0152.scala index dc77ac31a3..d86d59e974 100644 --- a/test/files/neg/t0152.scala +++ b/test/files/neg/t0152.scala @@ -8,6 +8,6 @@ trait PlusOne extends Value[Int] { object Test extends App { object boom extends Value[java.lang.String]("foo") with PlusOne - + println(boom.value) // class cast exception! } diff --git a/test/files/neg/t0218.check b/test/files/neg/t0218.check index 6bb759156f..a22583d23b 100644 --- a/test/files/neg/t0218.check +++ b/test/files/neg/t0218.check @@ -1,4 +1,4 @@ t0218.scala:10: error: class type required but APQ.this.P found - List(new PP) + List(new PP) ^ one error found diff --git a/test/files/neg/t0218.scala b/test/files/neg/t0218.scala index 3d1f52e39a..319be82a7a 100644 --- a/test/files/neg/t0218.scala +++ b/test/files/neg/t0218.scala @@ -1,4 +1,4 @@ -trait APQ { +trait APQ { class Placement { } @@ -7,6 +7,6 @@ trait APQ { type PP = P def pq(numQueens: Int, numRows: Int) : List[Placement] = { - List(new PP) + List(new PP) } } diff --git a/test/files/neg/t0259.check b/test/files/neg/t0259.check index 24e35e6176..8c15d98419 100644 --- a/test/files/neg/t0259.check +++ b/test/files/neg/t0259.check @@ -1,6 +1,6 @@ t0259.scala:4: error: double definition: -constructor TestCase3:(groups: String*)test.TestCase3 and -constructor TestCase3:(groups: (String, Int)*)test.TestCase3 at line 3 +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() ^ diff --git a/test/files/neg/t0418.check b/test/files/neg/t0418.check index 4e9ad2f9ae..b95f8e4e1b 100644 --- a/test/files/neg/t0418.check +++ b/test/files/neg/t0418.check @@ -1,7 +1,4 @@ t0418.scala:2: error: not found: value Foo12340771 null match { case Foo12340771.Bar(x) => x } ^ -t0418.scala:2: error: not found: value x - null match { case Foo12340771.Bar(x) => x } - ^ -two errors found +one error found diff --git a/test/files/neg/t0503.scala b/test/files/neg/t0503.scala index a9b5dcb1dd..322e1ad132 100644 --- a/test/files/neg/t0503.scala +++ b/test/files/neg/t0503.scala @@ -1,3 +1,3 @@ val x = new { } with { } -trait A +trait A val y = new { } with A diff --git a/test/files/neg/t0764.check b/test/files/neg/t0764.check index e14c7705b8..0c7cff1e1e 100644 --- a/test/files/neg/t0764.check +++ b/test/files/neg/t0764.check @@ -1,6 +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} - new Main[AType]( (value: AType).prepend ) + (which expands to) Node{type T = Node{type T = NextType}} + new Main[AType]( (value: AType).prepend ) ^ one error found diff --git a/test/files/neg/t0764.scala b/test/files/neg/t0764.scala index 9aebe04b79..9f77a59414 100644 --- a/test/files/neg/t0764.scala +++ b/test/files/neg/t0764.scala @@ -1,14 +1,45 @@ class Top[A] { - type AType = A + type AType = A } -trait Node extends NotNull { outer => - type T <: Node - def prepend = new Node { type T = outer.type } +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 ) + 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) } +*/
\ No newline at end of file diff --git a/test/files/neg/t0764b.check b/test/files/neg/t0764b.check new file mode 100644 index 0000000000..4040954e7c --- /dev/null +++ b/test/files/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/test/files/neg/t0764b.scala b/test/files/neg/t0764b.scala new file mode 100644 index 0000000000..14c623c67a --- /dev/null +++ b/test/files/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/test/files/neg/t0816.scala b/test/files/neg/t0816.scala index 738a634166..0128a0ad72 100644 --- a/test/files/neg/t0816.scala +++ b/test/files/neg/t0816.scala @@ -6,7 +6,7 @@ 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 Ctest(data) => Console.println("C") case Btest(data, b) => Console.println("B") } } diff --git a/test/files/neg/t1010.scala b/test/files/neg/t1010.scala index 7a1e6615e5..fd142978ec 100644 --- a/test/files/neg/t1010.scala +++ b/test/files/neg/t1010.scala @@ -6,9 +6,9 @@ class MailBox { abstract class Actor { private val in = new MailBox - def send(msg: in.Message) = error("foo") + def send(msg: in.Message) = sys.error("foo") - def unstable: Actor = 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/test/files/neg/t1011.check b/test/files/neg/t1011.check deleted file mode 100644 index d9c8123549..0000000000 --- a/test/files/neg/t1011.check +++ /dev/null @@ -1,4 +0,0 @@ -t1011.scala:8: error: not found: value entity - <dl><code>{Text(entity)}</code> - ^ -one error found diff --git a/test/files/neg/t1011.scala b/test/files/neg/t1011.scala deleted file mode 100644 index 57a6ad7b45..0000000000 --- a/test/files/neg/t1011.scala +++ /dev/null @@ -1,127 +0,0 @@ -package test; -import scala.xml._; - -abstract class Test { - //val entity : String; - def primitiveHeader : NodeSeq = - Group({ - <dl><code>{Text(entity)}</code> - <code>{Text(entity)}</code> - <code>{Text(entity)}</code> - <code>{Text(entity)}</code> - <code>{Text(entity)}</code> - <code>{Text(entity)}</code> - <code>{Text(entity)}</code> - <code>{Text(entity)}</code> - <code>{Text(entity)}</code> - <code>{Text(entity)}</code> - <code>{Text(entity)}</code> - <code>{Text(entity)}</code> - <code>{Text(entity)}</code> - <code>{Text(entity)}</code> - <code>{Text(entity)}</code> - <code>{Text(entity)}</code> - <code>{Text(entity)}</code> - <code>{Text(entity)}</code> - <code>{Text(entity)}</code> - <code>{Text(entity)}</code> - <code>{Text(entity)}</code> - <code>{Text(entity)}</code> - <code>{Text(entity)}</code> - <code>{Text(entity)}</code> - <code>{Text(entity)}</code> - <code>{Text(entity)}</code> - <code>{Text(entity)}</code> - <code>{Text(entity)}</code> - <code>{Text(entity)}</code> - <code>{Text(entity)}</code> - <code>{Text(entity)}</code> - <code>{Text(entity)}</code> - <code>{Text(entity)}</code> - <code>{Text(entity)}</code> - <code>{Text(entity)}</code> - <code>{Text(entity)}</code> - <code>{Text(entity)}</code> - <code>{Text(entity)}</code> - <code>{Text(entity)}</code> - <code>{Text(entity)}</code> - <code>{Text(entity)}</code> - <code>{Text(entity)}</code> - <code>{Text(entity)}</code> - <code>{Text(entity)}</code> - <code>{Text(entity)}</code> - <code>{Text(entity)}</code> - <code>{Text(entity)}</code> - <code>{Text(entity)}</code> - <code>{Text(entity)}</code> - <code>{Text(entity)}</code> - <code>{Text(entity)}</code> - <code>{Text(entity)}</code> - <code>{Text(entity)}</code> - <code>{Text(entity)}</code> - <code>{Text(entity)}</code> - <code>{Text(entity)}</code> - <code>{Text(entity)}</code> - <code>{Text(entity)}</code> - <code>{Text(entity)}</code> - <code>{Text(entity)}</code> - <code>{Text(entity)}</code> - <code>{Text(entity)}</code> - <code>{Text(entity)}</code> - <code>{Text(entity)}</code> - <code>{Text(entity)}</code> - <code>{Text(entity)}</code> - <code>{Text(entity)}</code> - <code>{Text(entity)}</code> - <code>{Text(entity)}</code></dl> - } ++ // 3 seconds - {}++ // 5 seconds - {}++ // 10 seconds - {}++ // 20 seconds - {}++ // 40 seconds - {}++ // 40 seconds - {}++ // 40 seconds - {}++ // 40 seconds - {}++ // 40 seconds - {}++ // 40 seconds - {}++ // 40 seconds - {}++ // 40 seconds - {}++ // 40 seconds - {}++ // 40 seconds - {}++ // 40 seconds - {}++ // 40 seconds - {}++ // 40 seconds - {}++ // 5 seconds - {}++ // 10 seconds - {}++ // 20 seconds - {}++ // 40 seconds - {}++ // 40 seconds - {}++ // 40 seconds - {}++ // 40 seconds - {}++ // 40 seconds - {}++ // 40 seconds - {}++ // 40 seconds - {}++ // 40 seconds - {}++ // 40 seconds - {}++ // 40 seconds - {}++ // 40 seconds - {}++ // 40 seconds - {}++ // 40 seconds - {}++ // 5 seconds - {}++ // 10 seconds - {}++ // 20 seconds - {}++ // 40 seconds - {}++ // 40 seconds - {}++ // 40 seconds - {}++ // 40 seconds - {}++ // 40 seconds - {}++ // 40 seconds - {}++ // 40 seconds - {}++ // 40 seconds - {}++ // 40 seconds - {}++ // 40 seconds - {}++ // 40 seconds - {}++ // 40 seconds - {}++ // 40 seconds - <hr/>); -} diff --git a/test/files/neg/t1017.check b/test/files/neg/t1017.check deleted file mode 100644 index 52101c7f6e..0000000000 --- a/test/files/neg/t1017.check +++ /dev/null @@ -1,4 +0,0 @@ -t1017.scala:3: error: not found: value foo -<x><x><x><x><x><x><x><x><x><x><x><x><x><x><x><x><x><x>{ foo }</x></x></x></x></x></x></x></x></x></x></x></x></x></x></x></x></x></x> - ^ -one error found diff --git a/test/files/neg/t1017.scala b/test/files/neg/t1017.scala deleted file mode 100644 index e389f308c3..0000000000 --- a/test/files/neg/t1017.scala +++ /dev/null @@ -1,4 +0,0 @@ -// 'foo' is not defined -object Test { -<x><x><x><x><x><x><x><x><x><x><x><x><x><x><x><x><x><x>{ foo }</x></x></x></x></x></x></x></x></x></x></x></x></x></x></x></x></x></x> -} diff --git a/test/files/neg/t1112.check b/test/files/neg/t1112.check index e69be3ef2c..5e3821b153 100644 --- a/test/files/neg/t1112.check +++ b/test/files/neg/t1112.check @@ -1,4 +1,4 @@ -t1112.scala:12: error: too many arguments for method call: (p: Int)(f: => () => Unit)Unit +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/test/files/neg/t1112.scala b/test/files/neg/t1112.scala index b2a374c785..1a88629faf 100644 --- a/test/files/neg/t1112.scala +++ b/test/files/neg/t1112.scala @@ -1,13 +1,13 @@ // checks that error doesn't crash the compiler -// (due to isFunctionType normalizing Type1 to a function type, +// (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/test/files/neg/t112706A.check b/test/files/neg/t112706A.check index 30d0c3ec91..ad403ab134 100644 --- a/test/files/neg/t112706A.check +++ b/test/files/neg/t112706A.check @@ -1,6 +1,6 @@ t112706A.scala:5: error: constructor cannot be instantiated to expected type; found : (T1, T2) required: String - case Tuple2(node,_) => + case Tuple2(node,_) => ^ one error found diff --git a/test/files/neg/t112706A.scala b/test/files/neg/t112706A.scala index b7799af96d..11304720bc 100644 --- a/test/files/neg/t112706A.scala +++ b/test/files/neg/t112706A.scala @@ -2,7 +2,7 @@ package test; trait Test { def foo(p : List[Tuple2[String,String]]) = { for (t <- p) t._1 match { - case Tuple2(node,_) => + case Tuple2(node,_) => } } } diff --git a/test/files/neg/t1181.check b/test/files/neg/t1181.check index 3724752a85..13b73d5381 100644 --- a/test/files/neg/t1181.check +++ b/test/files/neg/t1181.check @@ -1,8 +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: missing parameter type +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/test/files/neg/t1183.scala b/test/files/neg/t1183.scala index 024c4abd54..23868ab401 100644 --- a/test/files/neg/t1183.scala +++ b/test/files/neg/t1183.scala @@ -9,7 +9,7 @@ object Test { case class Bar(i:Int) } - + class Test717 { val foo1 = new Foo(1) @@ -27,7 +27,7 @@ object Test { class Baz object Bam object Bar - + def unapply(s : String) : Option[Bar] = Some(new Bar(s)) } diff --git a/test/files/neg/t1224.check b/test/files/neg/t1224.check index fb61275911..ab8a6f1130 100644 --- a/test/files/neg/t1224.check +++ b/test/files/neg/t1224.check @@ -1,4 +1,4 @@ -t1224.scala:4: error: illegal cyclic reference involving type T +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/test/files/neg/t1224.flags b/test/files/neg/t1224.flags new file mode 100644 index 0000000000..ca20f55172 --- /dev/null +++ b/test/files/neg/t1224.flags @@ -0,0 +1 @@ +-Ybreak-cycles diff --git a/test/files/neg/t1432.check b/test/files/neg/t1432.check index 180cb05e67..e41f3453fe 100644 --- a/test/files/neg/t1432.check +++ b/test/files/neg/t1432.check @@ -1,6 +1,8 @@ -t1432.scala:10: error: type mismatch; - found : (Int, Bug_NoUnique.Wrap[Bug_NoUnique.Wrap[Unit]] => Double) - required: (Int, Unit => Double) +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/test/files/neg/t1432.scala b/test/files/neg/t1432.scala index 638f36554f..bdf2331280 100644 --- a/test/files/neg/t1432.scala +++ b/test/files/neg/t1432.scala @@ -4,7 +4,9 @@ object Bug_NoUnique { case class Wrap[E](parent:E) {} - def wrap[E,A,Y](v : (A,E=>Y)) : (A,Wrap[E]=>Y) = + 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/test/files/neg/t1477.scala b/test/files/neg/t1477.scala index ab13f14b06..a9a6d678ca 100644 --- a/test/files/neg/t1477.scala +++ b/test/files/neg/t1477.scala @@ -8,7 +8,7 @@ object Test extends App { type V <: D val y: V#T = new B { } } - + trait Middle extends C { type V <: (D with U) } diff --git a/test/files/neg/t1503.check b/test/files/neg/t1503.check new file mode 100644 index 0000000000..7adeea20f3 --- /dev/null +++ b/test/files/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/test/files/neg/t1503.flags b/test/files/neg/t1503.flags new file mode 100644 index 0000000000..e93641e931 --- /dev/null +++ b/test/files/neg/t1503.flags @@ -0,0 +1 @@ +-Xlint -Xfatal-warnings
\ No newline at end of file diff --git a/test/files/neg/t1503.scala b/test/files/neg/t1503.scala new file mode 100644 index 0000000000..9877f99d0a --- /dev/null +++ b/test/files/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 } +}
\ No newline at end of file diff --git a/test/files/neg/t1523.scala b/test/files/neg/t1523.scala index b8754f4e15..219fb0c060 100644 --- a/test/files/neg/t1523.scala +++ b/test/files/neg/t1523.scala @@ -1,5 +1,5 @@ -object test { +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/test/files/neg/t1623.scala b/test/files/neg/t1623.scala index d02fc2ed9e..f5189aa4ca 100644 --- a/test/files/neg/t1623.scala +++ b/test/files/neg/t1623.scala @@ -1,7 +1,7 @@ package test -trait A -trait B +trait A +trait B class BImpl extends B { this: A => diff --git a/test/files/neg/t1705.scala b/test/files/neg/t1705.scala index bf1fcea815..fabdca0ec6 100644 --- a/test/files/neg/t1705.scala +++ b/test/files/neg/t1705.scala @@ -17,7 +17,7 @@ object crashing { } } } -/* +/* Infinite loop in Typer.addLocals. Printing all calls to it: diff --git a/test/files/neg/t1845.scala b/test/files/neg/t1845.scala index dab448b7dd..4d3966484d 100644 --- a/test/files/neg/t1845.scala +++ b/test/files/neg/t1845.scala @@ -1,10 +1,10 @@ -import scala.util.parsing.combinator.syntactical.TokenParsers -import scala.util.parsing.combinator.lexical.StdLexical -import scala.util.parsing.combinator.token._ +class Tokens { abstract class Token } +trait TokenParsers { val lexical: Tokens } + class MyTokenParsers extends TokenParsers { import lexical._ - type Tokens = StdTokens - type Elem = lexical.Token - val lexical = new StdLexical + + + val lexical = new Tokens } diff --git a/test/files/neg/t1878-typer.check b/test/files/neg/t1878-typer.check deleted file mode 100644 index e3a20d0be7..0000000000 --- a/test/files/neg/t1878-typer.check +++ /dev/null @@ -1,4 +0,0 @@ -t1878-typer.scala:4: error: _* may only come last - case <p> { _* } </p> => - ^ -one error found diff --git a/test/files/neg/t1878-typer.scala b/test/files/neg/t1878-typer.scala deleted file mode 100644 index 1eb0cb7dff..0000000000 --- a/test/files/neg/t1878-typer.scala +++ /dev/null @@ -1,6 +0,0 @@ -object Test extends App { - // illegal - bug #1764 - null match { - case <p> { _* } </p> => - } -} diff --git a/test/files/neg/t1878.check b/test/files/neg/t1878.check index ac2071c3d8..5814375515 100644 --- a/test/files/neg/t1878.check +++ b/test/files/neg/t1878.check @@ -1,7 +1,7 @@ -t1878.scala:3: error: bad use of _* (a sequence pattern must be the last pattern) +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 use of _* (a sequence pattern must be the last pattern) +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/test/files/neg/t1878.scala b/test/files/neg/t1878.scala index 99fee48a96..b29186afc0 100644 --- a/test/files/neg/t1878.scala +++ b/test/files/neg/t1878.scala @@ -1,13 +1,13 @@ object Test extends App { - // illegal + // 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 { diff --git a/test/files/neg/t1909-object.check b/test/files/neg/t1909-object.check new file mode 100644 index 0000000000..401c1f7ebf --- /dev/null +++ b/test/files/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/test/files/neg/t1909-object.flags b/test/files/neg/t1909-object.flags new file mode 100644 index 0000000000..eb8b40661b --- /dev/null +++ b/test/files/neg/t1909-object.flags @@ -0,0 +1 @@ +-Xdev -Xfatal-warnings
\ No newline at end of file diff --git a/test/files/neg/t1909-object.scala b/test/files/neg/t1909-object.scala new file mode 100644 index 0000000000..d6011ba4a5 --- /dev/null +++ b/test/files/neg/t1909-object.scala @@ -0,0 +1,12 @@ +class Kaboom(a: Any) { + def this() = { + this({ + object InnerTrouble + InnerTrouble + }) + } +} + +object Test extends App { + new Kaboom() +}
\ No newline at end of file diff --git a/test/files/neg/t1980.check b/test/files/neg/t1980.check new file mode 100644 index 0000000000..2fa27fa462 --- /dev/null +++ b/test/files/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/test/files/neg/t1980.flags b/test/files/neg/t1980.flags new file mode 100644 index 0000000000..7949c2afa2 --- /dev/null +++ b/test/files/neg/t1980.flags @@ -0,0 +1 @@ +-Xlint -Xfatal-warnings diff --git a/test/files/neg/t1980.scala b/test/files/neg/t1980.scala new file mode 100644 index 0000000000..132865e694 --- /dev/null +++ b/test/files/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/test/files/neg/t2066.check b/test/files/neg/t2066.check new file mode 100644 index 0000000000..efade87e26 --- /dev/null +++ b/test/files/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/test/files/neg/t2066.scala b/test/files/neg/t2066.scala new file mode 100644 index 0000000000..7f15d39c67 --- /dev/null +++ b/test/files/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/test/files/neg/t2066b.check b/test/files/neg/t2066b.check new file mode 100644 index 0000000000..097c44fef3 --- /dev/null +++ b/test/files/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/test/files/neg/t2066b.scala b/test/files/neg/t2066b.scala new file mode 100644 index 0000000000..46177b19f7 --- /dev/null +++ b/test/files/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 +}
\ No newline at end of file diff --git a/test/files/neg/t2148.check b/test/files/neg/t2148.check index 5113b48e51..27b5dce507 100644 --- a/test/files/neg/t2148.check +++ b/test/files/neg/t2148.check @@ -1,4 +1,4 @@ -t2148.scala:9: error: type A is not a stable prefix +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/test/files/neg/t2148.scala b/test/files/neg/t2148.scala index c0521d9864..25788be84a 100644 --- a/test/files/neg/t2148.scala +++ b/test/files/neg/t2148.scala @@ -1,6 +1,6 @@ -class A { +class A { var i = 0 - trait A1 extends A { + trait A1 extends A { i += 1 } } diff --git a/test/files/neg/t2421b.scala b/test/files/neg/t2421b.scala index a8d22f285e..d8159a8c37 100644 --- a/test/files/neg/t2421b.scala +++ b/test/files/neg/t2421b.scala @@ -12,6 +12,6 @@ object Test { f } -/* bug: +/* bug: error: type arguments [Test2.A] do not conform to method b's type parameter bounds [X <: Test2.B] */
\ No newline at end of file diff --git a/test/files/neg/t2441.scala b/test/files/neg/t2441.scala index a8c9e728a2..6784ebb333 100644 --- a/test/files/neg/t2441.scala +++ b/test/files/neg/t2441.scala @@ -1,5 +1,5 @@ trait X -trait A { +trait A { def f: Option[X] def g: Option[X] } @@ -8,7 +8,7 @@ object B { } 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/test/files/neg/t2442.check b/test/files/neg/t2442.check index 714816fd62..9ff0b44661 100644 --- a/test/files/neg/t2442.check +++ b/test/files/neg/t2442.check @@ -1,9 +1,11 @@ -t2442.scala:4: error: match may not be exhaustive. +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: error: match may not be exhaustive. +t2442.scala:11: warning: match may not be exhaustive. It would fail on the following input: BLUE def g(e: MySecondEnum) = e match { ^ -two errors found +error: No warnings can be incurred under -Xfatal-warnings. +two warnings found +one error found diff --git a/test/files/neg/t2462b.check b/test/files/neg/t2462b.check index bc0d9aa469..b3b8007a93 100644 --- a/test/files/neg/t2462b.check +++ b/test/files/neg/t2462b.check @@ -6,9 +6,6 @@ t2462b.scala:9: warning: Invalid implicitNotFound message for trait Meh2 in pack The type parameter Elem referenced in the message of the @implicitNotFound annotation is not defined by trait Meh2. trait Meh2[-From, +To] ^ -t2462b.scala:12: error: overriding method x in class thankyoupartest of type => Int; - method x needs `override' modifier -class testmustfail extends thankyoupartest { def x = 43 } - ^ +error: No warnings can be incurred under -Xfatal-warnings. two warnings found one error found diff --git a/test/files/neg/t2462b.flags b/test/files/neg/t2462b.flags new file mode 100644 index 0000000000..85d8eb2ba2 --- /dev/null +++ b/test/files/neg/t2462b.flags @@ -0,0 +1 @@ +-Xfatal-warnings diff --git a/test/files/neg/t2462b.scala b/test/files/neg/t2462b.scala index 7a1389cc8e..576db4bd3f 100644 --- a/test/files/neg/t2462b.scala +++ b/test/files/neg/t2462b.scala @@ -7,6 +7,3 @@ trait Meh[-From, +To] @implicitNotFound(msg = "Cannot construct a collection of type ${To} ${Elem}.") trait Meh2[-From, +To] - -class thankyoupartest { def x = 42 } -class testmustfail extends thankyoupartest { def x = 43 } diff --git a/test/files/neg/t2462c.check b/test/files/neg/t2462c.check new file mode 100644 index 0000000000..edeead55d6 --- /dev/null +++ b/test/files/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/test/files/neg/t2462c.flags b/test/files/neg/t2462c.flags new file mode 100644 index 0000000000..85d8eb2ba2 --- /dev/null +++ b/test/files/neg/t2462c.flags @@ -0,0 +1 @@ +-Xfatal-warnings diff --git a/test/files/neg/t2462c.scala b/test/files/neg/t2462c.scala new file mode 100644 index 0000000000..acf04afba9 --- /dev/null +++ b/test/files/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/test/files/neg/t2641.check b/test/files/neg/t2641.check index 909f4f0cf3..a0a960f0ea 100644 --- a/test/files/neg/t2641.check +++ b/test/files/neg/t2641.check @@ -1,15 +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:16: error: illegal inheritance; - self-type ManagedSeq does not conform to ManagedSeqStrict[A]'s selftype ManagedSeqStrict[A] - extends ManagedSeqStrict[A] - ^ -t2641.scala:17: error: illegal inheritance; - self-type ManagedSeq does not conform to scala.collection.TraversableView[A,ManagedSeqStrict[A]]'s selftype scala.collection.TraversableView[A,ManagedSeqStrict[A]] - with TraversableView[A, ManagedSeqStrict[A]] - ^ -t2641.scala:27: error: value managedIterator is not a member of ManagedSeq +t2641.scala:27: error: value managedIterator is not a member of ManagedSeq[A,Coll] override def managedIterator = self.managedIterator slice (from, until) ^ -four errors found +two errors found diff --git a/test/files/neg/t2641.scala b/test/files/neg/t2641.scala index 626d5d7852..bc048e039e 100644 --- a/test/files/neg/t2641.scala +++ b/test/files/neg/t2641.scala @@ -8,7 +8,7 @@ abstract class ManagedSeqStrict[+A] with GenericTraversableTemplate[A, ManagedSeqStrict] { override def companion: GenericCompanion[ManagedSeqStrict] = null - + override def foreach[U](f: A => U): Unit = () } @@ -17,9 +17,9 @@ trait ManagedSeq[+A, +Coll] 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] diff --git a/test/files/neg/t2796.check b/test/files/neg/t2796.check index aeb18497ed..22ee35a7e6 100644 --- a/test/files/neg/t2796.check +++ b/test/files/neg/t2796.check @@ -1,4 +1,9 @@ -t2796.scala:7: error: Implementation restriction: early definitions in traits are not initialized before the super class is initialized. +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/test/files/neg/t2796.flags b/test/files/neg/t2796.flags index e8fb65d50c..d1b831ea87 100644 --- a/test/files/neg/t2796.flags +++ b/test/files/neg/t2796.flags @@ -1 +1 @@ --Xfatal-warnings
\ No newline at end of file +-deprecation -Xfatal-warnings
\ No newline at end of file diff --git a/test/files/neg/t2796.scala b/test/files/neg/t2796.scala index 3bcc9df562..fa2f2358b9 100644 --- a/test/files/neg/t2796.scala +++ b/test/files/neg/t2796.scala @@ -8,10 +8,9 @@ trait T1 extends { } with Base trait T2 extends { - type X = Int // okay + type X = Int // warn } with Base - class C1 extends { val abstractVal = "C1.abstractVal" // okay } with Base diff --git a/test/files/neg/t284.check b/test/files/neg/t284.check index 37801af1b5..7c2e9be03e 100644 --- a/test/files/neg/t284.check +++ b/test/files/neg/t284.check @@ -1,8 +1,6 @@ t284.scala:2: warning: Detected apparent refinement of Unit; are you missing an '=' sign? - def f1(a: T): Unit { } - ^ -t284.scala:5: error: Unmatched closing brace '}' ignored here - } - ^ + def f1(a: T): Unit { } + ^ +error: No warnings can be incurred under -Xfatal-warnings. one warning found one error found diff --git a/test/files/neg/t284.flags b/test/files/neg/t284.flags new file mode 100644 index 0000000000..e8fb65d50c --- /dev/null +++ b/test/files/neg/t284.flags @@ -0,0 +1 @@ +-Xfatal-warnings
\ No newline at end of file diff --git a/test/files/neg/t284.scala b/test/files/neg/t284.scala index a210130102..f75bc3d4ba 100644 --- a/test/files/neg/t284.scala +++ b/test/files/neg/t284.scala @@ -1,6 +1,5 @@ trait B[T] { - def f1(a: T): Unit { } - def f2(a: T): Unit - def f3(a: T) { } - } + def f1(a: T): Unit { } + def f2(a: T): Unit + def f3(a: T) { } } diff --git a/test/files/neg/t2870.scala b/test/files/neg/t2870.scala index 59fba3e76d..4de19242e3 100755 --- a/test/files/neg/t2870.scala +++ b/test/files/neg/t2870.scala @@ -1,9 +1,9 @@ class Jars(jar: Jar) -object Jars { +object Jars { import scala.util.Properties.javaClassPath - val scala = fromClasspathString(javaClassPath) - + val scala = fromClasspathString(javaClassPath) + def fromClasspathString(s: String): Jars = null } diff --git a/test/files/neg/t2910.scala b/test/files/neg/t2910.scala index fa51038dcd..d9a781032c 100644 --- a/test/files/neg/t2910.scala +++ b/test/files/neg/t2910.scala @@ -10,7 +10,7 @@ object Junk { val z = 0 lazy val s = "abc" } - + def test4() { lazy val x = { x @@ -35,5 +35,5 @@ object Test { lazy val f: Int = g var x: Int = f lazy val g: Int = x - } + } } diff --git a/test/files/neg/t3015.check b/test/files/neg/t3015.check index 6948392bb0..729db844e7 100644 --- a/test/files/neg/t3015.check +++ b/test/files/neg/t3015.check @@ -1,6 +1,6 @@ t3015.scala:7: error: scrutinee is incompatible with pattern type; found : _$1 required: String - val b(foo) = "foo" + val b(foo) = "foo" ^ one error found diff --git a/test/files/neg/t3015.scala b/test/files/neg/t3015.scala index 9af8f30c65..adfa15b388 100644 --- a/test/files/neg/t3015.scala +++ b/test/files/neg/t3015.scala @@ -4,5 +4,5 @@ class UnApp[P] { object Test extends App { val b: UnApp[_] = new UnApp[String] - val b(foo) = "foo" + val b(foo) = "foo" } diff --git a/test/files/neg/t3098.check b/test/files/neg/t3098.check index 85829747b9..5343b128f0 100644 --- a/test/files/neg/t3098.check +++ b/test/files/neg/t3098.check @@ -1,5 +1,7 @@ -b.scala:3: error: match may not be exhaustive. +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/test/files/neg/t3118.scala b/test/files/neg/t3118.scala index 75f3b8f50c..9be24c1ed4 100644 --- a/test/files/neg/t3118.scala +++ b/test/files/neg/t3118.scala @@ -1,8 +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/test/files/neg/t3160ambiguous.check b/test/files/neg/t3160ambiguous.check new file mode 100644 index 0000000000..73a0c6d5db --- /dev/null +++ b/test/files/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/test/files/neg/t3160ambiguous.scala b/test/files/neg/t3160ambiguous.scala new file mode 100644 index 0000000000..57745e60d8 --- /dev/null +++ b/test/files/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/test/files/neg/t3189.check b/test/files/neg/t3189.check index 3913c526a2..122af56474 100644 --- a/test/files/neg/t3189.check +++ b/test/files/neg/t3189.check @@ -1,4 +1,4 @@ -t3189.scala:2: error: use _* to match a sequence +t3189.scala:2: error: bad simple pattern: use _* to match a sequence val Array(a,b*) = ("": Any) ^ one error found diff --git a/test/files/neg/t3224.check b/test/files/neg/t3224.check index 29304c567a..69b02c8862 100644 --- a/test/files/neg/t3224.check +++ b/test/files/neg/t3224.check @@ -1,6 +1,26 @@ -t3224.scala:29: error: polymorphic expression cannot be instantiated to expected type; +t3224.scala:30: error: polymorphic expression cannot be instantiated to expected type; found : [T]Array[T] required: List[?] - println(Texts textL Array()); println(Texts textL Array(1)); println(Texts textL Array(1, 1)) - ^ -one error found + 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/test/files/neg/t3224.scala b/test/files/neg/t3224.scala index 774de3335a..b7af8a67b5 100755 --- a/test/files/neg/t3224.scala +++ b/test/files/neg/t3224.scala @@ -1,30 +1,50 @@ object Texts{ - def textL[T](list: List[T]) = { - list match{ - case List() => "Empty" - case List(_) => "One" + 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" + 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)) - implicit def array2list[T](array: Array[T]) = { - println(array.toList.size) - array.toList + 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)) } - - println(Texts textL List()); println(Texts textL List(1)); println(Texts textL List(1, 1)); + { + implicit def array2list[T](array: Array[T]) = array.toList + def size[T](list: List[T]) = list.size - println(Texts textL Array()); println(Texts textL Array(1)); println(Texts textL Array(1, 1)) + assert(size(array2list(Array())) == 0) + assert(size(Array()) == 0) + } } diff --git a/test/files/neg/t3234.check b/test/files/neg/t3234.check index 4339950ecb..8f0d624ed9 100644 --- a/test/files/neg/t3234.check +++ b/test/files/neg/t3234.check @@ -1,2 +1,6 @@ -error: there were 1 inliner warning(s); re-run with -Yinline-warnings for details +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/test/files/neg/t3234.flags b/test/files/neg/t3234.flags index c9cefdc4b9..cc3d9fb6f0 100644 --- a/test/files/neg/t3234.flags +++ b/test/files/neg/t3234.flags @@ -1 +1 @@ --Yinline -Xfatal-warnings
\ No newline at end of file +-Yinline -Yinline-warnings -Xfatal-warnings diff --git a/test/files/neg/t3234.scala b/test/files/neg/t3234.scala index 443d0467f0..1553f1fa05 100644 --- a/test/files/neg/t3234.scala +++ b/test/files/neg/t3234.scala @@ -1,6 +1,6 @@ trait Trait1 { // need more work before this one works - // @inline + // @inline def foo2(n: Int) = n*n } diff --git a/test/files/neg/t3346b.check b/test/files/neg/t3346b.check new file mode 100644 index 0000000000..bcde6d90e4 --- /dev/null +++ b/test/files/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/test/files/neg/t3346b.scala b/test/files/neg/t3346b.scala new file mode 100644 index 0000000000..8ea8970298 --- /dev/null +++ b/test/files/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) +}
\ No newline at end of file diff --git a/test/files/neg/t3346c.check b/test/files/neg/t3346c.check new file mode 100644 index 0000000000..575379d009 --- /dev/null +++ b/test/files/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/test/files/neg/t3346c.scala b/test/files/neg/t3346c.scala new file mode 100644 index 0000000000..a5ac166b2d --- /dev/null +++ b/test/files/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/test/files/neg/t3346i.check b/test/files/neg/t3346i.check new file mode 100644 index 0000000000..cc17ab7ce4 --- /dev/null +++ b/test/files/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/test/files/neg/t3346i.scala b/test/files/neg/t3346i.scala new file mode 100644 index 0000000000..9ad2544537 --- /dev/null +++ b/test/files/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/test/files/neg/t3399.scala b/test/files/neg/t3399.scala index b1fe4e5ee2..3edaa0724f 100644 --- a/test/files/neg/t3399.scala +++ b/test/files/neg/t3399.scala @@ -10,7 +10,7 @@ object Nats { 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 @@ -18,7 +18,7 @@ object Nats { type Inc = Fold[Any, Nat] { type Apply[N <: Any, Acc <: Nat] = Succ[Acc] } - + type _1 = Succ[_0] implicitly[ Add[_1, _1] =:= _1] }
\ No newline at end of file diff --git a/test/files/neg/t3403.scala b/test/files/neg/t3403.scala index 8be6ab2a31..7cf0c3e0f7 100644 --- a/test/files/neg/t3403.scala +++ b/test/files/neg/t3403.scala @@ -1,2 +1,2 @@ -import scala.reflect.{BeanProperty => bp} +import scala.beans.{BeanProperty => bp} class Foo { @bp var bar: Int = 1 } diff --git a/test/files/neg/t3453.scala b/test/files/neg/t3453.scala index 0f1c6e0282..090b777151 100644 --- a/test/files/neg/t3453.scala +++ b/test/files/neg/t3453.scala @@ -25,7 +25,7 @@ object O { class T2a { import O._ - + def x: B = { val aToB = 3 // ok: doesn't compile, because aToB method requires 'T.this.' prefix @@ -39,7 +39,7 @@ class T2a { class T2b { import O.aToB - + def x: B = { val aToB = 3 // ok: doesn't compile, because aToB method requires 'T.this.' prefix @@ -53,7 +53,7 @@ class T2b { 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 diff --git a/test/files/neg/t3507-old.scala b/test/files/neg/t3507-old.scala index 32688d3934..9a8c7c5462 100644 --- a/test/files/neg/t3507-old.scala +++ b/test/files/neg/t3507-old.scala @@ -8,7 +8,7 @@ class A { 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/test/files/neg/t3631.check b/test/files/neg/t3631.check deleted file mode 100644 index 6d8feca1ed..0000000000 --- a/test/files/neg/t3631.check +++ /dev/null @@ -1,4 +0,0 @@ -t3631.scala:3: error: Implementation restriction: case classes cannot have more than 22 parameters. -case class X23(x1: Int, x2: Int, x3: Int, x4: Int, x5: Int, x6: Int, x7: Int, x8: Int, x9: Int, x10: Int, x11: Int, x12: Int, x13: Int, x14: Int, x15: Int, x16: Int, x17: Int, x18: Int, x19: Int, x20: Int, x21: Int, x22: Int, x23: Int) { } - ^ -one error found diff --git a/test/files/neg/t3631.scala b/test/files/neg/t3631.scala deleted file mode 100644 index bcf91619ee..0000000000 --- a/test/files/neg/t3631.scala +++ /dev/null @@ -1,3 +0,0 @@ -case class X22(x1: Int, x2: Int, x3: Int, x4: Int, x5: Int, x6: Int, x7: Int, x8: Int, x9: Int, x10: Int, x11: Int, x12: Int, x13: Int, x14: Int, x15: Int, x16: Int, x17: Int, x18: Int, x19: Int, x20: Int, x21: Int, x22: Int) { } - -case class X23(x1: Int, x2: Int, x3: Int, x4: Int, x5: Int, x6: Int, x7: Int, x8: Int, x9: Int, x10: Int, x11: Int, x12: Int, x13: Int, x14: Int, x15: Int, x16: Int, x17: Int, x18: Int, x19: Int, x20: Int, x21: Int, x22: Int, x23: Int) { }
\ No newline at end of file diff --git a/test/files/neg/t3653.check b/test/files/neg/t3653.check index ac6e2ca9dc..ad68e29fb4 100644 --- a/test/files/neg/t3653.check +++ b/test/files/neg/t3653.check @@ -1,7 +1,7 @@ t3653.scala:3: error: double definition: -method x:(implicit x: Int)Int and -method x:(i: Int)Int at line 2 -have same type after erasure: (x: Int)Int +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/test/files/neg/t3683a.check b/test/files/neg/t3683a.check index 3de3ad784e..6386265ebc 100644 --- a/test/files/neg/t3683a.check +++ b/test/files/neg/t3683a.check @@ -1,5 +1,7 @@ -t3683a.scala:14: error: match may not be exhaustive. +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/test/files/neg/t3683b.scala b/test/files/neg/t3683b.scala index fbf75b6856..646e418121 100644 --- a/test/files/neg/t3683b.scala +++ b/test/files/neg/t3683b.scala @@ -8,7 +8,7 @@ case class Z[T >: Bar <: Foo]( z1: W[T] ) extends W[T] -object Main { +object Main { // should fail for including X() def f1(w: W[Bar]): Int = { w match { diff --git a/test/files/neg/t3692-new.check b/test/files/neg/t3692-new.check index 5aa991c105..bb8692f3ca 100644 --- a/test/files/neg/t3692-new.check +++ b/test/files/neg/t3692-new.check @@ -1,14 +1,19 @@ -t3692-new.scala:14: warning: non-variable type argument Int in type pattern Map[Int,Int] is unchecked since it is eliminated by erasure +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 Map[Int,V] is unchecked since it is eliminated by erasure +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 Map[T,Int] is unchecked since it is eliminated by erasure +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:16: error: unreachable code - 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] ^ -three warnings found +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/test/files/neg/t3692-new.flags b/test/files/neg/t3692-new.flags index cb8324a345..85d8eb2ba2 100644 --- a/test/files/neg/t3692-new.flags +++ b/test/files/neg/t3692-new.flags @@ -1 +1 @@ --Xoldpatmat
\ No newline at end of file +-Xfatal-warnings diff --git a/test/files/neg/t3692-old.check b/test/files/neg/t3692-old.check deleted file mode 100644 index 9f3ae516aa..0000000000 --- a/test/files/neg/t3692-old.check +++ /dev/null @@ -1,14 +0,0 @@ -t3692-old.scala:13: warning: non-variable type argument Int in type pattern Map[Int,Int] is unchecked since it is eliminated by erasure - case m0: Map[Int, Int] => new java.util.HashMap[Integer, Integer] - ^ -t3692-old.scala:14: warning: non-variable type argument Int in type pattern Map[Int,V] is unchecked since it is eliminated by erasure - case m1: Map[Int, V] => new java.util.HashMap[Integer, V] - ^ -t3692-old.scala:15: warning: non-variable type argument Int in type pattern Map[T,Int] is unchecked since it is eliminated by erasure - case m2: Map[T, Int] => new java.util.HashMap[T, Integer] - ^ -t3692-old.scala:15: error: unreachable code - case m2: Map[T, Int] => new java.util.HashMap[T, Integer] - ^ -three warnings found -one error found diff --git a/test/files/neg/t3692-old.flags b/test/files/neg/t3692-old.flags deleted file mode 100644 index cb8324a345..0000000000 --- a/test/files/neg/t3692-old.flags +++ /dev/null @@ -1 +0,0 @@ --Xoldpatmat
\ No newline at end of file diff --git a/test/files/neg/t3692-old.scala b/test/files/neg/t3692-old.scala deleted file mode 100644 index 151535ae94..0000000000 --- a/test/files/neg/t3692-old.scala +++ /dev/null @@ -1,19 +0,0 @@ -import java.lang.Integer - -object ManifestTester { - def main(args: Array[String]) = { - val map = Map("John" -> 1, "Josh" -> 2) - new ManifestTester().toJavaMap(map) - } -} - -class ManifestTester { - private final def toJavaMap[T, V](map: Map[T, V])(implicit m1: Manifest[T], m2: Manifest[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] - } - } -}
\ No newline at end of file diff --git a/test/files/neg/t3714-neg.check b/test/files/neg/t3714-neg.check index 2db0655502..4f29716968 100644 --- a/test/files/neg/t3714-neg.check +++ b/test/files/neg/t3714-neg.check @@ -1,12 +1,12 @@ 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 + 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 + enclosing object Test is not a subclass of class BreakImpl where target is defined case b: BreakImpl => b.break ^ diff --git a/test/files/neg/t3714-neg.scala b/test/files/neg/t3714-neg.scala index 4b56f9348c..753b367ec0 100644 --- a/test/files/neg/t3714-neg.scala +++ b/test/files/neg/t3714-neg.scala @@ -29,7 +29,7 @@ object Test { case BreakImpl(x) => x case _ => -1 } - + def main(args: Array[String]) { val break = BreakImpl(22) assert(f1(break) == 22) diff --git a/test/files/neg/t3736.scala b/test/files/neg/t3736.scala index 1efa397928..cf0920912a 100644 --- a/test/files/neg/t3736.scala +++ b/test/files/neg/t3736.scala @@ -7,14 +7,14 @@ object Test { 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) diff --git a/test/files/neg/t3757/B.scala b/test/files/neg/t3757/B.scala index 68766a9f6e..7c78fb634e 100644 --- a/test/files/neg/t3757/B.scala +++ b/test/files/neg/t3757/B.scala @@ -1,5 +1,5 @@ package b -class B extends a.A { +class B extends a.A { override def foo = "B" }
\ No newline at end of file diff --git a/test/files/neg/t3776.check b/test/files/neg/t3776.check index 4a5284cf0f..0dfe129596 100644 --- a/test/files/neg/t3776.check +++ b/test/files/neg/t3776.check @@ -1,4 +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 + def parsedAs[T](v: T) = MyParser.parse(pattern, a).get someOperation v ^ one error found diff --git a/test/files/neg/t3776.scala b/test/files/neg/t3776.scala index 454f914316..e24b2fea63 100644 --- a/test/files/neg/t3776.scala +++ b/test/files/neg/t3776.scala @@ -1,10 +1,10 @@ -import util.parsing.combinator.{PackratParsers, RegexParsers} - -object MyParser extends RegexParsers with PackratParsers { +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 + def parsedAs[T](v: T) = MyParser.parse(pattern, a).get someOperation v } } diff --git a/test/files/neg/t3816.scala b/test/files/neg/t3816.scala index b7f3fde699..31b0825f1d 100644 --- a/test/files/neg/t3816.scala +++ b/test/files/neg/t3816.scala @@ -1,7 +1,7 @@ class B { def ::(a: List[Int]) { a match { - case x::xs => + case x::xs => case _ => } } @@ -32,11 +32,11 @@ object Test { } } - var foo = 0 + var foo = 0 def testFail2( x: Any ) = { x match { case Some( `foo` ) => case _ => } - } + } } diff --git a/test/files/neg/t3871.check b/test/files/neg/t3871.check new file mode 100644 index 0000000000..b920357ee6 --- /dev/null +++ b/test/files/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/test/files/neg/t3871.scala b/test/files/neg/t3871.scala new file mode 100644 index 0000000000..fc459867df --- /dev/null +++ b/test/files/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/test/files/neg/t3871b.check b/test/files/neg/t3871b.check new file mode 100644 index 0000000000..6ab5ddfaf1 --- /dev/null +++ b/test/files/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/test/files/neg/t3871b.scala b/test/files/neg/t3871b.scala new file mode 100644 index 0000000000..b490b7789a --- /dev/null +++ b/test/files/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/test/files/neg/t3873.check b/test/files/neg/t3873.check index 54d6abdf63..f9f413aeaf 100644 --- a/test/files/neg/t3873.check +++ b/test/files/neg/t3873.check @@ -1,6 +1,6 @@ t3873.scala:11: error: type mismatch; found : Test.a.B - required: a.B - wrongf(new A)(a.b) // should not compile -- TODO: improve error message? the "a" is ambiguous + required: a.B where val a: A + wrongf(new A)(a.b) // should not compile ^ one error found diff --git a/test/files/neg/t3873.scala b/test/files/neg/t3873.scala index e7815f0937..b27b4e9c9d 100644 --- a/test/files/neg/t3873.scala +++ b/test/files/neg/t3873.scala @@ -8,5 +8,5 @@ object Test { val a = new A wrongf(a)(a.b) - wrongf(new A)(a.b) // should not compile -- TODO: improve error message? the "a" is ambiguous + wrongf(new A)(a.b) // should not compile }
\ No newline at end of file diff --git a/test/files/neg/t3934.check b/test/files/neg/t3934.check index 405ed2e879..8b06799f0d 100644 --- a/test/files/neg/t3934.check +++ b/test/files/neg/t3934.check @@ -1,6 +1,6 @@ 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 + 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() ^ diff --git a/test/files/neg/t3971.check b/test/files/neg/t3971.check new file mode 100644 index 0000000000..8685119876 --- /dev/null +++ b/test/files/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/test/files/neg/t3971.scala b/test/files/neg/t3971.scala new file mode 100644 index 0000000000..35f64fde0c --- /dev/null +++ b/test/files/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/test/files/neg/t3977.check b/test/files/neg/t3977.check index 9da118ee91..72335a0926 100644 --- a/test/files/neg/t3977.check +++ b/test/files/neg/t3977.check @@ -1,4 +1,4 @@ t3977.scala:12: error: could not find implicit value for parameter w: False#If[E] - new NotNull + new NoNull ^ one error found diff --git a/test/files/neg/t3977.scala b/test/files/neg/t3977.scala index f55a832c52..11a8cdba4b 100644 --- a/test/files/neg/t3977.scala +++ b/test/files/neg/t3977.scala @@ -7,7 +7,7 @@ trait False extends Bool { } class Field[E, N <: Bool](implicit val w: N#If[E]) { - type NotNull = Field[E, False] + type NoNull = Field[E, False] - new NotNull -}
\ No newline at end of file + new NoNull +} diff --git a/test/files/neg/t3987.scala b/test/files/neg/t3987.scala index c97d57b38f..1226d80228 100644 --- a/test/files/neg/t3987.scala +++ b/test/files/neg/t3987.scala @@ -1,7 +1,7 @@ class Gox { object Zed { } class Zed { } -} +} object Test { type GoxZed = t#Zed forSome { type t <: Gox } diff --git a/test/files/neg/t4079/t4079_1.scala b/test/files/neg/t4079/t4079_1.scala index 8dc73556c7..cbae864788 100644 --- a/test/files/neg/t4079/t4079_1.scala +++ b/test/files/neg/t4079/t4079_1.scala @@ -9,7 +9,7 @@ trait ComposeT[F[_],G[_]] { 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) = + def map[A,B](c: ComposeT[F,G]#Apply[A], h: A => B) = f.map(c, (x:G[A]) => g.map(x,h)) } } @@ -19,10 +19,10 @@ object Cat { } object Functors { - implicit val List = new Functor[List] { + 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] { + implicit val Option = new Functor[Option] { def map[A,B](fa: Option[A], f: A => B): Option[B] = fa map f } } diff --git a/test/files/neg/t409.check b/test/files/neg/t409.check index 433d64d25d..0edc0d03cd 100644 --- a/test/files/neg/t409.check +++ b/test/files/neg/t409.check @@ -1,4 +1,4 @@ -t409.scala:6: error: traits or objects may not have parameters +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/test/files/neg/t4098.check b/test/files/neg/t4098.check index 7d69cf151c..232c082ec9 100644 --- a/test/files/neg/t4098.check +++ b/test/files/neg/t4098.check @@ -1,5 +1,5 @@ t4098.scala:3: error: forward reference not allowed from self constructor invocation - this(b) + this(b) ^ t4098.scala:8: error: forward reference not allowed from self constructor invocation this(b) diff --git a/test/files/neg/t4098.scala b/test/files/neg/t4098.scala index 744d6191b5..2e6d167646 100644 --- a/test/files/neg/t4098.scala +++ b/test/files/neg/t4098.scala @@ -1,6 +1,6 @@ -class A(a: Any) { - def this() = { - this(b) +class A(a: Any) { + def this() = { + this(b) def b = new {} } diff --git a/test/files/neg/t4134.scala b/test/files/neg/t4134.scala index 678e4806ef..18f813dd1d 100644 --- a/test/files/neg/t4134.scala +++ b/test/files/neg/t4134.scala @@ -3,16 +3,16 @@ 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 { diff --git a/test/files/neg/t414.scala b/test/files/neg/t414.scala index 2bc83eedcb..86646d13c2 100644 --- a/test/files/neg/t414.scala +++ b/test/files/neg/t414.scala @@ -1,9 +1,9 @@ case class Empty[a]() extends IntMap[a]; -case class Node[a](left: IntMap[a], keyVal: Pair[Int, a], right: IntMap[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 => - error("clef inexistante") + sys.error("clef inexistante") case _ => }; diff --git a/test/files/neg/t4158.check b/test/files/neg/t4158.check index 3ee2627c5b..af281c52cd 100644 --- a/test/files/neg/t4158.check +++ b/test/files/neg/t4158.check @@ -1,19 +1,7 @@ -t4158.scala:3: error: type mismatch; - found : Null(null) - required: Int -Note that implicit conversions are not applicable because they are ambiguous: - both method Integer2intNullConflict in class LowPriorityImplicits of type (x: Null)Int - and method Integer2int in object Predef of type (x: Integer)Int - are possible conversion functions from Null(null) to Int +t4158.scala:3: error: an expression of type Null is ineligible for implicit conversion var y = null: Int ^ -t4158.scala:2: error: type mismatch; - found : Null(null) - required: Int -Note that implicit conversions are not applicable because they are ambiguous: - both method Integer2intNullConflict in class LowPriorityImplicits of type (x: Null)Int - and method Integer2int in object Predef of type (x: Integer)Int - are possible conversion functions from Null(null) to 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/test/files/neg/t4174.scala b/test/files/neg/t4174.scala index f5242950c2..b4a5ab29da 100644 --- a/test/files/neg/t4174.scala +++ b/test/files/neg/t4174.scala @@ -2,7 +2,7 @@ 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/test/files/neg/t418.check b/test/files/neg/t418.check index 1489547823..1b99717b82 100644 --- a/test/files/neg/t418.check +++ b/test/files/neg/t418.check @@ -1,7 +1,4 @@ t418.scala:2: error: not found: value Foo12340771 null match { case Foo12340771.Bar(x) => x } ^ -t418.scala:2: error: not found: value x - null match { case Foo12340771.Bar(x) => x } - ^ -two errors found +one error found diff --git a/test/files/neg/t4196.scala b/test/files/neg/t4196.scala index ac00b19bee..06e1f28d54 100644 --- a/test/files/neg/t4196.scala +++ b/test/files/neg/t4196.scala @@ -1,6 +1,6 @@ object Weird { - { (s: String) => + { (s: String) => val foo = Some(s); // to illustrate that vals are printed in the error - foo + foo }.apply("first param") ("spurious param") }
\ No newline at end of file diff --git a/test/files/neg/t421.check b/test/files/neg/t421.check index e81df52ab0..dc5fa425ac 100644 --- a/test/files/neg/t421.check +++ b/test/files/neg/t421.check @@ -1,4 +1,4 @@ t421.scala:5: error: star patterns must correspond with varargs parameters - case Bar("foo",_*) => error("huh?"); + case Bar("foo",_*) => sys.error("huh?"); ^ one error found diff --git a/test/files/neg/t421.scala b/test/files/neg/t421.scala index 43f6c9dafd..9a327be896 100644 --- a/test/files/neg/t421.scala +++ b/test/files/neg/t421.scala @@ -2,7 +2,7 @@ object foo { case class Bar(a:String, b:AnyRef, c:String*); Bar("foo","meets","bar") match { - case Bar("foo",_*) => error("huh?"); + case Bar("foo",_*) => sys.error("huh?"); } } diff --git a/test/files/neg/t4217.check b/test/files/neg/t4217.check index e8cd5fd69e..6c49ec3354 100644 --- a/test/files/neg/t4217.check +++ b/test/files/neg/t4217.check @@ -1,4 +1,4 @@ t4217.scala:2: error: 'case' expected but '}' found. - 42 match { } + 42 match { } ^ one error found diff --git a/test/files/neg/t4217.scala b/test/files/neg/t4217.scala index 9343a9be54..0817df2cb7 100644 --- a/test/files/neg/t4217.scala +++ b/test/files/neg/t4217.scala @@ -1,3 +1,3 @@ object A extends App { - 42 match { } + 42 match { } } diff --git a/test/files/neg/t4221.scala b/test/files/neg/t4221.scala index c979f7936e..0a8b8add18 100644 --- a/test/files/neg/t4221.scala +++ b/test/files/neg/t4221.scala @@ -1,5 +1,5 @@ class Cl { - class Sub[TheSub <: Sub[TheSub]] + class Sub[TheSub <: Sub[TheSub]] } case class Wrapper[T](v: T) diff --git a/test/files/neg/t4271.scala b/test/files/neg/t4271.scala index 50526c8958..46ae3ad9ec 100644 --- a/test/files/neg/t4271.scala +++ b/test/files/neg/t4271.scala @@ -1,11 +1,11 @@ object foo { object Donotuseme - implicit def any2Ensuring[A](x: A) = 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 any2ArrowAssoc[A](x: A) = Donotuseme + implicit def ArrowAssoc[A](x: A) = Donotuseme 3 to 5 5 ensuring true 3 -> 5 diff --git a/test/files/neg/t4302.check b/test/files/neg/t4302.check index 450d28bbc5..ea48729276 100644 --- a/test/files/neg/t4302.check +++ b/test/files/neg/t4302.check @@ -1,4 +1,6 @@ -t4302.scala:2: error: abstract type T is unchecked since it is eliminated by erasure +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/test/files/neg/t4417.check b/test/files/neg/t4417.check index 4e3f6c0b10..dbd0f1df46 100644 --- a/test/files/neg/t4417.check +++ b/test/files/neg/t4417.check @@ -1,6 +1,6 @@ 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 + enclosing object Pixel is not a subclass of class Pixel$mcD$sp where target is defined def apply(v: Double): Pixel1d = new Pixel1d(v) ^ diff --git a/test/files/neg/t4417.scala b/test/files/neg/t4417.scala index 7f104e58bf..3f6ddc8153 100644 --- a/test/files/neg/t4417.scala +++ b/test/files/neg/t4417.scala @@ -2,12 +2,12 @@ -class Pixel[@specialized T] protected (var v: T) +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/test/files/neg/t4425.check b/test/files/neg/t4425.check index 0f2fe6f2d1..00006c08f0 100644 --- a/test/files/neg/t4425.check +++ b/test/files/neg/t4425.check @@ -1,4 +1,13 @@ -t4425.scala:3: error: isInstanceOf cannot test if value types are references. +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 _ => () } ^ -one error found +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/test/files/neg/t4425.scala b/test/files/neg/t4425.scala index d8cc6922f7..1714955c27 100644 --- a/test/files/neg/t4425.scala +++ b/test/files/neg/t4425.scala @@ -2,3 +2,13 @@ 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 _ => () } +}
\ No newline at end of file diff --git a/test/files/neg/t4425b.check b/test/files/neg/t4425b.check new file mode 100644 index 0000000000..8418b4fd12 --- /dev/null +++ b/test/files/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/test/files/neg/t4425b.scala b/test/files/neg/t4425b.scala new file mode 100644 index 0000000000..861e9521f6 --- /dev/null +++ b/test/files/neg/t4425b.scala @@ -0,0 +1,38 @@ +object Test1 { + object X { def unapply(x : String)(y: String) = throw new Exception } + + def f1() { + 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() { + 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() { + 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/test/files/neg/t4431.scala b/test/files/neg/t4431.scala index 91e4abfe36..5fbb239e04 100644 --- a/test/files/neg/t4431.scala +++ b/test/files/neg/t4431.scala @@ -7,7 +7,7 @@ object Test { // this earns a VerifyError. trait C { def wait (): Unit } class D { } - + def main(args: Array[String]): Unit = { new B with A { } new BB diff --git a/test/files/neg/t4440.check b/test/files/neg/t4440.check index 2861dc3040..10e7188e32 100644 --- a/test/files/neg/t4440.check +++ b/test/files/neg/t4440.check @@ -1,13 +1,15 @@ -t4440.scala:12: error: The outer reference in this type test cannot be checked at run time. +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: error: The outer reference in this type test cannot be checked at run time. +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: error: The outer reference in this type test cannot be checked at run time. +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: error: The outer reference in this type test cannot be checked at run time. +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 ^ -four errors found +error: No warnings can be incurred under -Xfatal-warnings. +four warnings found +one error found diff --git a/test/files/neg/t4457_1.scala b/test/files/neg/t4457_1.scala index 91d9bc9f51..11f12379f6 100644 --- a/test/files/neg/t4457_1.scala +++ b/test/files/neg/t4457_1.scala @@ -22,7 +22,7 @@ object ImplicitConvAmbiguity2 { def aFunc[A](a: NQ[A]) = new BB[A] def bFunc[T](e1: N[T]) = {} - + def typeMe1 { val x = aFunc(4F) bFunc(x) diff --git a/test/files/neg/t4457_2.scala b/test/files/neg/t4457_2.scala index b2e7505cf2..f3a170f1f2 100644 --- a/test/files/neg/t4457_2.scala +++ b/test/files/neg/t4457_2.scala @@ -22,7 +22,7 @@ object ImplicitConvAmbiguity2 { def aFunc[A](a: NQ[A]) = new BB[A] def bFunc[T](e1: N[T]) = {} - + def typeMe2 { val x = aFunc(4F) bFunc(x) diff --git a/test/files/neg/t4460a.check b/test/files/neg/t4460a.check new file mode 100644 index 0000000000..b711e7acb1 --- /dev/null +++ b/test/files/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/test/files/neg/t4460a.scala b/test/files/neg/t4460a.scala new file mode 100644 index 0000000000..0a7a22178d --- /dev/null +++ b/test/files/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/test/files/neg/t4460b.check b/test/files/neg/t4460b.check new file mode 100644 index 0000000000..f0e703fd10 --- /dev/null +++ b/test/files/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/test/files/neg/t4460b.scala b/test/files/neg/t4460b.scala new file mode 100644 index 0000000000..1233017dd4 --- /dev/null +++ b/test/files/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/test/files/neg/t4460c.check b/test/files/neg/t4460c.check new file mode 100644 index 0000000000..4e96711b8b --- /dev/null +++ b/test/files/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/test/files/neg/t4460c.scala b/test/files/neg/t4460c.scala new file mode 100644 index 0000000000..1ae258508e --- /dev/null +++ b/test/files/neg/t4460c.scala @@ -0,0 +1,7 @@ +class B(val x: Int) { + self: A => + + def this(a: String) = this() +} + +class A() diff --git a/test/files/neg/t4515.check b/test/files/neg/t4515.check index a60d16295f..708fcfbd29 100644 --- a/test/files/neg/t4515.check +++ b/test/files/neg/t4515.check @@ -1,6 +1,16 @@ t4515.scala:37: error: type mismatch; - found : _0(in value $anonfun) where type _0(in value $anonfun) - required: (some other)_0(in value $anonfun) + found : _$1 where type _$1 + required: _$2 handler.onEvent(target, ctx.getEvent, node, ctx) ^ -one error found +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/test/files/neg/t4515.scala b/test/files/neg/t4515.scala index 63049f201d..4efe45f4fb 100644 --- a/test/files/neg/t4515.scala +++ b/test/files/neg/t4515.scala @@ -16,7 +16,7 @@ object Main { ctx: PushEventContext[EventType]): Unit } val handlers = new HashMap[DerivedPushNode[_], HandlerBase[_]] - + object TimerPushService { private val INSTANCE: TimerPushService = new TimerPushService def get: TimerPushService = INSTANCE diff --git a/test/files/neg/t4537.check b/test/files/neg/t4537.check deleted file mode 100644 index 931bcd0405..0000000000 --- a/test/files/neg/t4537.check +++ /dev/null @@ -1,4 +0,0 @@ -c.scala:7: error: object Settings in package a cannot be accessed in package a - println(Settings.Y) - ^ -one error found diff --git a/test/files/neg/t4537/a.scala b/test/files/neg/t4537/a.scala deleted file mode 100644 index 65e183c5f8..0000000000 --- a/test/files/neg/t4537/a.scala +++ /dev/null @@ -1,5 +0,0 @@ -package a - -private[a] object Settings { - val X = 0 -}
\ No newline at end of file diff --git a/test/files/neg/t4537/b.scala b/test/files/neg/t4537/b.scala deleted file mode 100644 index bb9dd4e15a..0000000000 --- a/test/files/neg/t4537/b.scala +++ /dev/null @@ -1,5 +0,0 @@ -package b - -object Settings { - val Y = 0 -}
\ No newline at end of file diff --git a/test/files/neg/t4537/c.scala b/test/files/neg/t4537/c.scala deleted file mode 100644 index 379599112d..0000000000 --- a/test/files/neg/t4537/c.scala +++ /dev/null @@ -1,8 +0,0 @@ -package b -package c - -import a._ - -object Test { - println(Settings.Y) -}
\ No newline at end of file diff --git a/test/files/neg/t4541b.scala b/test/files/neg/t4541b.scala index 7a21ffc156..ba406cad6d 100644 --- a/test/files/neg/t4541b.scala +++ b/test/files/neg/t4541b.scala @@ -8,7 +8,7 @@ final class SparseArray[@specialized(Int) T](private var data: Array[T]) extends def use(inData: Array[T]) = { data = inData; } - + def set(that: SparseArray[T]) = { use(that.data.clone) } diff --git a/test/files/neg/t4584.check b/test/files/neg/t4584.check index 419f5704b1..97d07afa0e 100644 --- a/test/files/neg/t4584.check +++ b/test/files/neg/t4584.check @@ -1,7 +1,7 @@ t4584.scala:1: error: error in unicode escape -class A { val /u2 +class A { val \u2 ^ -t4584.scala:1: error: illegal character '/uffff' -class A { val /u2 +t4584.scala:1: error: illegal character '\uffff' +class A { val \u2 ^ two errors found diff --git a/test/files/neg/t4691_exhaust_extractor.check b/test/files/neg/t4691_exhaust_extractor.check index cd12e56f86..6396944145 100644 --- a/test/files/neg/t4691_exhaust_extractor.check +++ b/test/files/neg/t4691_exhaust_extractor.check @@ -1,13 +1,15 @@ -t4691_exhaust_extractor.scala:17: error: match may not be exhaustive. +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: error: match may not be exhaustive. +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: error: match may not be exhaustive. +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 { ^ -three errors found +error: No warnings can be incurred under -Xfatal-warnings. +three warnings found +one error found diff --git a/test/files/neg/t4727.check b/test/files/neg/t4727.check index 8a4536fec3..a17cdde044 100644 --- a/test/files/neg/t4727.check +++ b/test/files/neg/t4727.check @@ -1,10 +1,4 @@ -t4727.scala:5: error: type mismatch; - found : Null - required: Int -Note that implicit conversions are not applicable because they are ambiguous: - both method Integer2intNullConflict in class LowPriorityImplicits of type (x: Null)Int - and method Integer2int in object Predef of type (x: Integer)Int - are possible conversion functions from Null to Int +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] ^ diff --git a/test/files/neg/t4728.check b/test/files/neg/t4728.check new file mode 100644 index 0000000000..c6ef182d34 --- /dev/null +++ b/test/files/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/test/files/neg/t4728.scala b/test/files/neg/t4728.scala new file mode 100644 index 0000000000..36f7860613 --- /dev/null +++ b/test/files/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)) +}
\ No newline at end of file diff --git a/test/files/neg/t4749.check b/test/files/neg/t4749.check index 93ad3935fa..3539140954 100644 --- a/test/files/neg/t4749.check +++ b/test/files/neg/t4749.check @@ -1,28 +1,34 @@ -t4749.scala:2: error: Fail1 has a main method with parameter type Array[String], but bippy.Fail1 will not be a runnable program. +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: error: Fail2 has a main method with parameter type Array[String], but bippy.Fail2 will not be a runnable program. +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: error: Fail3 has a main method with parameter type Array[String], but bippy.Fail3 will not be a runnable program. +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: error: Fail4 has a main method with parameter type Array[String], but bippy.Fail4 will not be a runnable program. +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: error: Fail5 has a main method with parameter type Array[String], but bippy.Fail5 will not be a runnable program. +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 { } + object Fail5 extends Fail5 { } ^ -t4749.scala:26: error: Fail6 has a main method with parameter type Array[String], but bippy.Fail6 will not be a runnable program. +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 { ^ -6 errors found +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/test/files/neg/t4749.scala b/test/files/neg/t4749.scala index 0973c36097..2c67e2ea96 100644 --- a/test/files/neg/t4749.scala +++ b/test/files/neg/t4749.scala @@ -18,7 +18,7 @@ package bippy { } trait Fail4 { } - object Fail5 extends Fail5 { } + object Fail5 extends Fail5 { } class Fail5 { def main(args: Array[String]): Unit = () } diff --git a/test/files/neg/t4762.check b/test/files/neg/t4762.check index 5e67f2022a..a0525f6226 100644 --- a/test/files/neg/t4762.check +++ b/test/files/neg/t4762.check @@ -1,7 +1,9 @@ -t4762.scala:15: error: 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. +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: error: 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. +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 } ^ -two errors found +error: No warnings can be incurred under -Xfatal-warnings. +two warnings found +one error found diff --git a/test/files/neg/t4851.check b/test/files/neg/t4851.check index 9633fdffed..132dd91b50 100644 --- a/test/files/neg/t4851.check +++ b/test/files/neg/t4851.check @@ -1,49 +1,51 @@ -S.scala:2: error: Adapting argument list by inserting (): leaky (Object-receiving) target makes this especially dangerous. +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: error: Adapting argument list by inserting (): leaky (Object-receiving) target makes this especially dangerous. +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: error: Adapting argument list by creating a 5-tuple: this may not be what you want. +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: error: Adapting argument list by creating a 3-tuple: this may not be what you want. +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: error: Adapting argument list by creating a 3-tuple: this may not be what you want. +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: error: Adapting argument list by inserting (): this is unlikely to be what you want. +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: error: Adapting argument list by inserting (): this is unlikely to be what you want. +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: error: Adapting argument list by creating a 3-tuple: this may not be what you want. +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) ^ -8 errors found +error: No warnings can be incurred under -Xfatal-warnings. +8 warnings found +one error found diff --git a/test/files/neg/t4851.flags b/test/files/neg/t4851.flags index 0545cb8b84..ca0d0a0ba3 100644 --- a/test/files/neg/t4851.flags +++ b/test/files/neg/t4851.flags @@ -1 +1 @@ --Ywarn-adapted-args -Xfatal-warnings +-Ywarn-adapted-args -Xfatal-warnings -deprecation diff --git a/test/files/neg/t4851/J.java b/test/files/neg/t4851/J.java index dbf8b8288e..9c35b8a16e 100644 --- a/test/files/neg/t4851/J.java +++ b/test/files/neg/t4851/J.java @@ -1,14 +1,14 @@ 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(); } diff --git a/test/files/neg/t4851/J2.java b/test/files/neg/t4851/J2.java index c3a7231315..82954d9489 100644 --- a/test/files/neg/t4851/J2.java +++ b/test/files/neg/t4851/J2.java @@ -1,10 +1,10 @@ public class J2<T> { T x; - + public <T> J(T x) { this.x = x; } - + public String toString() { return "J2:" + x.getClass(); } diff --git a/test/files/neg/t4851/S.scala b/test/files/neg/t4851/S.scala index 0a442ac7a9..779ba376b0 100644 --- a/test/files/neg/t4851/S.scala +++ b/test/files/neg/t4851/S.scala @@ -5,7 +5,7 @@ object Test { 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(()) @@ -18,7 +18,7 @@ object Test { println(x2) println(x3) println(y1) - + println(z1) println(z2) println(z3) diff --git a/test/files/neg/t4877.scala b/test/files/neg/t4877.scala index 9cad156f84..5d97877518 100644 --- a/test/files/neg/t4877.scala +++ b/test/files/neg/t4877.scala @@ -13,7 +13,7 @@ class B { def bar(x: Int): Mom def bippy(): List[Mom] } - + val x: Bippy = new AnyRef { type Mom = String def bar(x: Int) = 55 diff --git a/test/files/neg/t4928.check b/test/files/neg/t4928.check index 06d4f22522..18a5d57a62 100644 --- a/test/files/neg/t4928.check +++ b/test/files/neg/t4928.check @@ -1,5 +1,5 @@ t4928.scala:3: error: parameter 'a' is already specified at parameter position 1 -Note that that 'z' is not a parameter name of the invoked method. +Note that 'z' is not a parameter name of the invoked method. f(z = 0, a = 1) ^ one error found diff --git a/test/files/neg/t512.check b/test/files/neg/t512.check index 814e65e405..051e5ee19f 100644 --- a/test/files/neg/t512.check +++ b/test/files/neg/t512.check @@ -1,4 +1,7 @@ t512.scala:3: error: not found: value something val xxx = something || ^ -one error found +t512.scala:4: error: not found: value something_else + something_else; + ^ +two errors found diff --git a/test/files/neg/t5120.scala b/test/files/neg/t5120.scala index c7063b7d15..f28b2cfb4f 100644 --- a/test/files/neg/t5120.scala +++ b/test/files/neg/t5120.scala @@ -6,7 +6,7 @@ class Cell[T](x0: T) { 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 diff --git a/test/files/neg/t5148.check b/test/files/neg/t5148.check index 25107c4dbe..8a667f4b88 100644 --- a/test/files/neg/t5148.check +++ b/test/files/neg/t5148.check @@ -1,9 +1,5 @@ -error: bad symbolic reference. A signature in Imports.class refers to term global -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. -error: bad symbolic reference. A signature in Imports.class refers to term memberHandlers -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. -two errors found +error: bad symbolic reference to scala.tools.nsc.interpreter.IMain.Request encountered in class file 'Imports.class'. +Cannot access type Request in class scala.tools.nsc.interpreter.IMain. The current classpath may be +missing a definition for scala.tools.nsc.interpreter.IMain.Request, or Imports.class may have been compiled against a version that's +incompatible with the one found on the current classpath. +one error found diff --git a/test/files/neg/t5152.scala b/test/files/neg/t5152.scala index 5efc76af24..56df31ed41 100644 --- a/test/files/neg/t5152.scala +++ b/test/files/neg/t5152.scala @@ -2,16 +2,16 @@ 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 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 { } + class C2 extends B2 { } } diff --git a/test/files/neg/t5182.check b/test/files/neg/t5182.check new file mode 100644 index 0000000000..3161f92680 --- /dev/null +++ b/test/files/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/test/files/neg/t5182.flags b/test/files/neg/t5182.flags new file mode 100644 index 0000000000..85d8eb2ba2 --- /dev/null +++ b/test/files/neg/t5182.flags @@ -0,0 +1 @@ +-Xfatal-warnings diff --git a/test/files/neg/t5182.scala b/test/files/neg/t5182.scala new file mode 100644 index 0000000000..0687e99efb --- /dev/null +++ b/test/files/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/test/files/neg/t5189.check b/test/files/neg/t5189.check index 7762f465dc..4885de99cd 100644 --- a/test/files/neg/t5189.check +++ b/test/files/neg/t5189.check @@ -3,4 +3,4 @@ t5189.scala:3: error: type mismatch; required: Any => Any def f(x: Any): Any => Any = x match { case Foo(bar) => bar } ^ -one error found
\ No newline at end of file +one error found diff --git a/test/files/neg/t520.scala b/test/files/neg/t520.scala index 949a509518..076aca3122 100644 --- a/test/files/neg/t520.scala +++ b/test/files/neg/t520.scala @@ -4,6 +4,6 @@ object test { assert(keyword != null); } - def verifyKeyword(source : java.io.File, pos : Int) = + def verifyKeyword(source : java.io.File, pos : Int) = verifyKeyword("", source, pos); } diff --git a/test/files/neg/t5352.check b/test/files/neg/t5352.check index d24b0e8ee1..1675da9e9a 100644 --- a/test/files/neg/t5352.check +++ b/test/files/neg/t5352.check @@ -6,7 +6,7 @@ t5352.scala:11: error: type mismatch; ^ 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 + enclosing object boop is not a subclass of class Bar1 in object boop where target is defined (new Bar1).f ^ diff --git a/test/files/neg/t5352.scala b/test/files/neg/t5352.scala index 6ee41f5680..ed74a840f0 100644 --- a/test/files/neg/t5352.scala +++ b/test/files/neg/t5352.scala @@ -2,7 +2,7 @@ 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 } diff --git a/test/files/neg/t5357.scala b/test/files/neg/t5357.scala index 369a5568a4..6a52283dd6 100644 --- a/test/files/neg/t5357.scala +++ b/test/files/neg/t5357.scala @@ -1,7 +1,7 @@ trait M case class N() extends M { - def mytest(x: M) = x match { + def mytest(x: M) = x match { case A: N => 1 case _ => 0 } diff --git a/test/files/neg/t5426.check b/test/files/neg/t5426.check index d9e192d3f0..98f3ddaaae 100644 --- a/test/files/neg/t5426.check +++ b/test/files/neg/t5426.check @@ -1,13 +1,15 @@ -t5426.scala:2: error: comparing values of types Some[Int] and Int using `==' will always yield false +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: error: comparing values of types Int and Some[Int] using `==' will always yield false +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: error: comparing values of types Int and Some[Int] using `==' will always yield false +t5426.scala:8: warning: comparing values of types Int and Some[Int] using `==' will always yield false (x1 == x2) ^ -t5426.scala:9: error: comparing values of types Some[Int] and Int using `==' will always yield false +t5426.scala:9: warning: comparing values of types Some[Int] and Int using `==' will always yield false (x2 == x1) ^ -four errors found +error: No warnings can be incurred under -Xfatal-warnings. +four warnings found +one error found diff --git a/test/files/neg/t5426.scala b/test/files/neg/t5426.scala index f2fb5cc12c..af0f981969 100644 --- a/test/files/neg/t5426.scala +++ b/test/files/neg/t5426.scala @@ -1,10 +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/test/files/neg/t5440.check b/test/files/neg/t5440.check index a862350a05..1c4592ccec 100644 --- a/test/files/neg/t5440.check +++ b/test/files/neg/t5440.check @@ -1,5 +1,7 @@ -t5440.scala:3: error: match may not be exhaustive. +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/test/files/neg/t545.check b/test/files/neg/t545.check index 8ebbf9bdf6..aae575fa96 100644 --- a/test/files/neg/t545.check +++ b/test/files/neg/t545.check @@ -1,7 +1,4 @@ t545.scala:4: error: value blah is not a member of Test.Foo val x = foo.blah match { ^ -t545.scala:5: error: recursive value x needs type - case List(x) => x - ^ -two errors found +one error found diff --git a/test/files/neg/t5455.scala b/test/files/neg/t5455.scala index 22d6c442c9..6e54335787 100644 --- a/test/files/neg/t5455.scala +++ b/test/files/neg/t5455.scala @@ -1,13 +1,13 @@ 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() } diff --git a/test/files/neg/t5497.check b/test/files/neg/t5497.check index fef6d38da0..4d6d52b519 100644 --- a/test/files/neg/t5497.check +++ b/test/files/neg/t5497.check @@ -1,4 +1,4 @@ t5497.scala:3: error: not found: value sq - case other => println(null.asInstanceOf[sq.Filter].tableName) + case other => println(null.asInstanceOf[sq.Filter].tableName) ^ one error found diff --git a/test/files/neg/t5497.scala b/test/files/neg/t5497.scala index 40d47de12d..c846b1ba57 100644 --- a/test/files/neg/t5497.scala +++ b/test/files/neg/t5497.scala @@ -1,5 +1,5 @@ object TestQueryable extends App{ ({ - case other => println(null.asInstanceOf[sq.Filter].tableName) + case other => println(null.asInstanceOf[sq.Filter].tableName) } : Any => Unit)(null) } diff --git a/test/files/neg/t5529.check b/test/files/neg/t5529.check index 5d2175fa79..da3f84e1ec 100644 --- a/test/files/neg/t5529.check +++ b/test/files/neg/t5529.check @@ -4,7 +4,4 @@ t5529.scala:12: error: File is already defined as class File t5529.scala:10: error: class type required but test.Test.File found sealed class Dir extends File { } ^ -t5529.scala:10: error: test.Test.File does not have a constructor - sealed class Dir extends File { } - ^ -three errors found +two errors found diff --git a/test/files/neg/t556.check b/test/files/neg/t556.check index c278e13991..30cc296b35 100644 --- a/test/files/neg/t556.check +++ b/test/files/neg/t556.check @@ -1,4 +1,7 @@ -t556.scala:3: error: wrong number of parameters; expected = 1 +t556.scala:3: error: missing parameter type def g:Int = f((x,y)=>x) - ^ -one error found + ^ +t556.scala:3: error: missing parameter type + def g:Int = f((x,y)=>x) + ^ +two errors found diff --git a/test/files/neg/t5572.check b/test/files/neg/t5572.check index 7b1e290861..3c9adf41cd 100644 --- a/test/files/neg/t5572.check +++ b/test/files/neg/t5572.check @@ -3,9 +3,14 @@ t5572.scala:16: error: type mismatch; 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) ^ -two errors found +three errors found diff --git a/test/files/neg/t5572.scala b/test/files/neg/t5572.scala index 2da1209c61..4169df4216 100644 --- a/test/files/neg/t5572.scala +++ b/test/files/neg/t5572.scala @@ -16,7 +16,7 @@ class Test { Z.transf(a, b) match { case sth => run(sth, b) - } + } } def run(x: X, z: B): Unit = () diff --git a/test/files/neg/t5578.check b/test/files/neg/t5578.check index d803adb223..56123d2e0f 100644 --- a/test/files/neg/t5578.check +++ b/test/files/neg/t5578.check @@ -1,4 +1,7 @@ -t5578.scala:33: error: No Manifest available for T. +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/test/files/neg/t558.scala b/test/files/neg/t558.scala index 4941a06c3b..58b030347c 100644 --- a/test/files/neg/t558.scala +++ b/test/files/neg/t558.scala @@ -11,7 +11,7 @@ abstract class NewModel { 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/test/files/neg/t5580b.check b/test/files/neg/t5580b.check new file mode 100644 index 0000000000..45fde46ff9 --- /dev/null +++ b/test/files/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/test/files/neg/t5580b.scala b/test/files/neg/t5580b.scala new file mode 100644 index 0000000000..2161da4584 --- /dev/null +++ b/test/files/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/test/files/neg/t5589neg.flags b/test/files/neg/t5589neg.flags deleted file mode 100644 index dcc59ebe32..0000000000 --- a/test/files/neg/t5589neg.flags +++ /dev/null @@ -1 +0,0 @@ --deprecation diff --git a/test/files/neg/t5589neg2.check b/test/files/neg/t5589neg2.check deleted file mode 100644 index 6af4955a83..0000000000 --- a/test/files/neg/t5589neg2.check +++ /dev/null @@ -1,9 +0,0 @@ -t5589neg2.scala:7: error: constructor cannot be instantiated to expected type; - found : (T1, T2) - required: String - for (((((a, (b, (c, (d1, d2)))), es), fs), gs) <- x) yield (d :: es).mkString(", ") // not ok - ^ -t5589neg2.scala:7: error: not found: value d - for (((((a, (b, (c, (d1, d2)))), es), fs), gs) <- x) yield (d :: es).mkString(", ") // not ok - ^ -two errors found diff --git a/test/files/neg/t563.scala b/test/files/neg/t563.scala index d367e2a73c..204ad3cbdd 100644 --- a/test/files/neg/t563.scala +++ b/test/files/neg/t563.scala @@ -1,6 +1,6 @@ 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/test/files/neg/t5663-badwarneq.check b/test/files/neg/t5663-badwarneq.check index 242be8de68..732e4f44d0 100644 --- a/test/files/neg/t5663-badwarneq.check +++ b/test/files/neg/t5663-badwarneq.check @@ -1,40 +1,42 @@ -t5663-badwarneq.scala:47: error: comparing case class values of types Some[Int] and None.type using `==' will always yield false +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: error: comparing case class values of types Some[Int] and Thing using `==' will always yield false +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: error: ThingOne and Thingy are unrelated: they will most likely never compare equal +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: error: ThingThree and Thingy are unrelated: they will most likely never compare equal +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: error: comparing case class values of types ThingTwo and Some[Int] using `==' will always yield false +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: error: comparing values of types ThingOne and Cousin using `==' will always yield false +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: error: comparing case class values of types Simple and SimpleSibling.type using `==' will always yield false +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: error: ValueClass1 and Int are unrelated: they will never compare equal +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: error: comparing values of types Int and ValueClass1 using `==' will always yield false +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: error: ValueClass2[String] and String are unrelated: they will never compare equal +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: error: ValueClass2[Int] and ValueClass1 are unrelated: they will never compare equal +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: error: comparing values of types ValueClass3 and ValueClass2[Int] using `==' will always yield false +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: error: comparing values of types ValueClass3 and Int using `==' will always yield false +t5663-badwarneq.scala:82: warning: comparing values of types ValueClass3 and Int using `==' will always yield false println(ValueClass3(5) == 5) // bad ^ -13 errors found +error: No warnings can be incurred under -Xfatal-warnings. +13 warnings found +one error found diff --git a/test/files/neg/t5689.check b/test/files/neg/t5689.check index e497e3bb07..7d4f7fb63a 100644 --- a/test/files/neg/t5689.check +++ b/test/files/neg/t5689.check @@ -1,6 +1,7 @@ t5689.scala:4: error: macro implementation has incompatible shape: - required: (c: scala.reflect.macros.Context)(i: c.Expr[Double]): c.Expr[String] - found : (c: scala.reflect.macros.Context)(i: c.Expr[Double]): c.Expr[Int] + 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 ^ diff --git a/test/files/neg/t5689.scala b/test/files/neg/t5689.scala index 3266039c35..d757a55417 100644 --- a/test/files/neg/t5689.scala +++ b/test/files/neg/t5689.scala @@ -1,4 +1,4 @@ -import scala.reflect.macros.Context +import scala.reflect.macros.blackbox.Context object Macros { def returnsString(i: Double): String = macro returnsIntImpl diff --git a/test/files/neg/t5696.check b/test/files/neg/t5696.check index 72b7781fc4..e0fb61b839 100644 --- a/test/files/neg/t5696.check +++ b/test/files/neg/t5696.check @@ -15,5 +15,5 @@ t5696.scala:38: error: too many argument lists for constructor invocation ^ t5696.scala:46: error: too many argument lists for constructor invocation object x extends G(1)(2) {} - ^ + ^ 6 errors found diff --git a/test/files/neg/t5702-neg-bad-and-wild.check b/test/files/neg/t5702-neg-bad-and-wild.check index eae81ad5f2..a52136dbf8 100644 --- a/test/files/neg/t5702-neg-bad-and-wild.check +++ b/test/files/neg/t5702-neg-bad-and-wild.check @@ -1,4 +1,4 @@ -t5702-neg-bad-and-wild.scala:10: error: bad use of _* (a sequence pattern must be the last pattern) +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 @@ -7,22 +7,22 @@ t5702-neg-bad-and-wild.scala:10: error: illegal start of simple 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: use _* to match a sequence +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: trailing * is not a valid pattern +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: 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 use of _* (sequence pattern not allowed) +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 use of _* (a sequence pattern must be the last pattern) +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 use of _* (sequence pattern not allowed) - val (b, _ * ) = Pair(5,6) // bad use of _* (sequence pattern not allowed) +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/test/files/neg/t5702-neg-bad-and-wild.scala b/test/files/neg/t5702-neg-bad-and-wild.scala index 3833a002b1..aadda37da7 100644 --- a/test/files/neg/t5702-neg-bad-and-wild.scala +++ b/test/files/neg/t5702-neg-bad-and-wild.scala @@ -21,7 +21,7 @@ object Test { //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, _ * ) = Pair(5,6) // bad use of _* (sequence pattern not allowed) + 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/test/files/neg/t5702-neg-bad-xbrace.check b/test/files/neg/t5702-neg-bad-xbrace.check index d88638aee9..9240abea44 100644 --- a/test/files/neg/t5702-neg-bad-xbrace.check +++ b/test/files/neg/t5702-neg-bad-xbrace.check @@ -1,7 +1,7 @@ -t5702-neg-bad-xbrace.scala:19: error: bad brace or paren after _* +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 brace or paren after _* +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/test/files/neg/t5702-neg-ugly-xbrace.check b/test/files/neg/t5702-neg-ugly-xbrace.check index 7d80bbf6be..cdd2438b0e 100644 --- a/test/files/neg/t5702-neg-ugly-xbrace.check +++ b/test/files/neg/t5702-neg-ugly-xbrace.check @@ -1,4 +1,4 @@ -t5702-neg-ugly-xbrace.scala:11: error: bad brace or paren after _* +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 diff --git a/test/files/neg/t5753.check b/test/files/neg/t5753.check index 76602de17d..379416c179 100644 --- a/test/files/neg/t5753.check +++ b/test/files/neg/t5753.check @@ -1,4 +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) +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/test/files/neg/t5753/Impls_Macros_1.scala b/test/files/neg/t5753/Impls_Macros_1.scala index 1d9c26458c..9872c69171 100644 --- a/test/files/neg/t5753/Impls_Macros_1.scala +++ b/test/files/neg/t5753/Impls_Macros_1.scala @@ -1,6 +1,6 @@ -import scala.reflect.macros.{Context => Ctx} +import scala.reflect.macros.blackbox.Context trait Impls { -def impl(c: Ctx)(x: c.Expr[Any]) = x + def impl(c: Context)(x: c.Expr[Any]) = x } diff --git a/test/files/neg/t5753/Test_2.scala b/test/files/neg/t5753/Test_2.scala index 2369b18e76..d52ed65c60 100644 --- a/test/files/neg/t5753/Test_2.scala +++ b/test/files/neg/t5753/Test_2.scala @@ -1,7 +1,7 @@ -import scala.reflect.macros.{Context => Ctx} +import scala.reflect.macros.blackbox.Context object Macros extends Impls { - def foo(x: Any) = macro impl + def foo(x: Any): Any = macro impl } object Test extends App { diff --git a/test/files/neg/t576.scala b/test/files/neg/t576.scala index fa7ee6019f..fd83217a45 100644 --- a/test/files/neg/t576.scala +++ b/test/files/neg/t576.scala @@ -4,16 +4,16 @@ abstract class BaseListXXX { type Node <: BaseNode; abstract class BaseNode { } -} +} trait PriorityTreeXXX extends BaseListXXX { type Node <: BasicTreeNode; - + trait BasicTreeNode extends BaseNode { - def sibling: Node; + 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/test/files/neg/t5760-pkgobj-warn.check b/test/files/neg/t5760-pkgobj-warn.check deleted file mode 100644 index a89398c3f7..0000000000 --- a/test/files/neg/t5760-pkgobj-warn.check +++ /dev/null @@ -1,4 +0,0 @@ -stalepkg_2.scala:6: error: Foo is already defined as class Foo in package object stalepkg - class Foo - ^ -one error found diff --git a/test/files/neg/t5760-pkgobj-warn/stalepkg_1.scala b/test/files/neg/t5760-pkgobj-warn/stalepkg_1.scala deleted file mode 100644 index ed4b731bb0..0000000000 --- a/test/files/neg/t5760-pkgobj-warn/stalepkg_1.scala +++ /dev/null @@ -1,11 +0,0 @@ - -package object stalepkg { - class Foo -} - -package stalepkg { - object Test { - def main(args: Array[String]) { - } - } -} diff --git a/test/files/neg/t5760-pkgobj-warn/stalepkg_2.scala b/test/files/neg/t5760-pkgobj-warn/stalepkg_2.scala deleted file mode 100644 index 9abcdbab17..0000000000 --- a/test/files/neg/t5760-pkgobj-warn/stalepkg_2.scala +++ /dev/null @@ -1,11 +0,0 @@ - -package object stalepkg { -} - -package stalepkg { - class Foo - object Test { - def main(args: Array[String]) { - } - } -} diff --git a/test/files/neg/t5761.check b/test/files/neg/t5761.check index 89d766fe34..2d66af26f6 100644 --- a/test/files/neg/t5761.check +++ b/test/files/neg/t5761.check @@ -13,4 +13,7 @@ Unspecified value parameter x. t5761.scala:13: error: not found: type Tread new Tread("sth") { }.run() ^ -four errors found +t5761.scala:13: error: value run is not a member of AnyRef + new Tread("sth") { }.run() + ^ +5 errors found diff --git a/test/files/neg/t5762.check b/test/files/neg/t5762.check index 10064032aa..2a2f12144a 100644 --- a/test/files/neg/t5762.check +++ b/test/files/neg/t5762.check @@ -1,13 +1,15 @@ -t5762.scala:6: error: non-variable type argument Int in type pattern D[Int] is unchecked since it is eliminated by erasure +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: error: non-variable type argument String in type pattern D[String] is unchecked since it is eliminated by erasure +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: error: non-variable type argument D[Int] in type pattern D[D[Int]] is unchecked since it is eliminated by erasure +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: error: non-variable type argument D[String] in type pattern D[D[String]] is unchecked since it is eliminated by erasure +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 ^ -four errors found +error: No warnings can be incurred under -Xfatal-warnings. +four warnings found +one error found diff --git a/test/files/neg/t5830.check b/test/files/neg/t5830.check index 726fac2a1e..58c3a1be38 100644 --- a/test/files/neg/t5830.check +++ b/test/files/neg/t5830.check @@ -1,7 +1,9 @@ -t5830.scala:6: error: unreachable code +t5830.scala:6: warning: unreachable code case 'a' => println("b") // unreachable ^ -t5830.scala:4: error: could not emit switch for @switch annotated match +t5830.scala:4: warning: could not emit switch for @switch annotated match def unreachable(ch: Char) = (ch: @switch) match { ^ -two errors found +error: No warnings can be incurred under -Xfatal-warnings. +two warnings found +one error found diff --git a/test/files/neg/t5845.check b/test/files/neg/t5845.check deleted file mode 100644 index 8c6100d6de..0000000000 --- a/test/files/neg/t5845.check +++ /dev/null @@ -1,7 +0,0 @@ -t5845.scala:9: error: value +++ is not a member of Int - println(5 +++ 5) - ^ -t5845.scala:15: error: value +++ is not a member of Int - println(5 +++ 5) - ^ -two errors found diff --git a/test/files/neg/t5845.scala b/test/files/neg/t5845.scala deleted file mode 100644 index 823c722c14..0000000000 --- a/test/files/neg/t5845.scala +++ /dev/null @@ -1,16 +0,0 @@ -class Num[T] { - def mkOps = new Ops - class Ops { def +++(rhs: T) = () } -} - -class A { - implicit def infixOps[T, CC[X] <: Num[X]](lhs: T)(implicit num: CC[T]) = num.mkOps - implicit val n1 = new Num[Int] { } - println(5 +++ 5) -} - -class B { - implicit def infixOps[T, CC[X] <: Num[X]](lhs: T)(implicit num: CC[T]) : CC[T]#Ops = num.mkOps - implicit val n1 = new Num[Int] {} - println(5 +++ 5) -} diff --git a/test/files/neg/t588.check b/test/files/neg/t588.check index f8b5516fdc..ff08f77a6f 100644 --- a/test/files/neg/t588.check +++ b/test/files/neg/t588.check @@ -1,13 +1,13 @@ t588.scala:3: error: double definition: -method visit:(f: Int => String)Boolean and -method visit:(f: Int => Unit)Boolean at line 2 +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: -method f:(brac: Test.this.TypeB)Unit and -method f:(node: Test.this.TypeA)Unit at line 9 -have same type after erasure: (brac: Test#TraitA)Unit +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/test/files/neg/t588.scala b/test/files/neg/t588.scala index 1bc6d2680f..f30937377e 100644 --- a/test/files/neg/t588.scala +++ b/test/files/neg/t588.scala @@ -1,15 +1,15 @@ abstract class Test0 { - def visit(f: Int => Unit): Boolean + 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/test/files/neg/t5903a.check b/test/files/neg/t5903a.check new file mode 100644 index 0000000000..34003b0a82 --- /dev/null +++ b/test/files/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/test/files/neg/t5903a/Macros_1.scala b/test/files/neg/t5903a/Macros_1.scala new file mode 100644 index 0000000000..5d084ceed5 --- /dev/null +++ b/test/files/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/test/files/neg/t5903a/Test_2.scala b/test/files/neg/t5903a/Test_2.scala new file mode 100644 index 0000000000..4d78dfb5e5 --- /dev/null +++ b/test/files/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/test/files/neg/t5903b.check b/test/files/neg/t5903b.check new file mode 100644 index 0000000000..e7637d3edb --- /dev/null +++ b/test/files/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/test/files/neg/t5903b/Macros_1.scala b/test/files/neg/t5903b/Macros_1.scala new file mode 100644 index 0000000000..6ce49c0228 --- /dev/null +++ b/test/files/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/test/files/neg/t5903b/Test_2.scala b/test/files/neg/t5903b/Test_2.scala new file mode 100644 index 0000000000..0f6f80d327 --- /dev/null +++ b/test/files/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/test/files/neg/t5903c.check b/test/files/neg/t5903c.check new file mode 100644 index 0000000000..05bd775d30 --- /dev/null +++ b/test/files/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/test/files/neg/t5903c/Macros_1.scala b/test/files/neg/t5903c/Macros_1.scala new file mode 100644 index 0000000000..4792f00454 --- /dev/null +++ b/test/files/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/test/files/neg/t5903c/Test_2.scala b/test/files/neg/t5903c/Test_2.scala new file mode 100644 index 0000000000..a1fd31dd49 --- /dev/null +++ b/test/files/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/test/files/neg/t5903d.check b/test/files/neg/t5903d.check new file mode 100644 index 0000000000..54a91a7ba6 --- /dev/null +++ b/test/files/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/test/files/neg/t5903d/Macros_1.scala b/test/files/neg/t5903d/Macros_1.scala new file mode 100644 index 0000000000..3500c2a782 --- /dev/null +++ b/test/files/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/test/files/neg/t5903d/Test_2.scala b/test/files/neg/t5903d/Test_2.scala new file mode 100644 index 0000000000..95c717a9d8 --- /dev/null +++ b/test/files/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/test/files/neg/t5903e.check b/test/files/neg/t5903e.check new file mode 100644 index 0000000000..3bdeb091a0 --- /dev/null +++ b/test/files/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/test/files/neg/t5903e/Macros_1.scala b/test/files/neg/t5903e/Macros_1.scala new file mode 100644 index 0000000000..a64ff7e0b9 --- /dev/null +++ b/test/files/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/test/files/neg/t5903e/Test_2.scala b/test/files/neg/t5903e/Test_2.scala new file mode 100644 index 0000000000..d69d472436 --- /dev/null +++ b/test/files/neg/t5903e/Test_2.scala @@ -0,0 +1,6 @@ +class C { + import Interpolation._ + 42 match { + case t"$x" => println(x) + } +} diff --git a/test/files/neg/t591.scala b/test/files/neg/t591.scala index 5f2397e6a9..0f0b02395c 100644 --- a/test/files/neg/t591.scala +++ b/test/files/neg/t591.scala @@ -1,17 +1,17 @@ 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; - + } @@ -20,22 +20,22 @@ trait BaseFlow extends BaseList { 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/test/files/neg/t5956.check b/test/files/neg/t5956.check index 6641dac97f..f5ae42c799 100644 --- a/test/files/neg/t5956.check +++ b/test/files/neg/t5956.check @@ -1,20 +1,7 @@ -t5956.scala:1: warning: case classes without a parameter list have been deprecated; -use either case objects or case classes with `()' as parameter list. -object O { case class C[T]; class C } - ^ -t5956.scala:2: warning: case classes without a parameter list have been deprecated; -use either case objects or case classes with `()' as parameter list. -object T { case class C[T]; case class C } - ^ -t5956.scala:2: warning: case classes without a parameter list have been deprecated; -use either case objects or case classes with `()' as parameter list. -object T { case class C[T]; case class C } - ^ t5956.scala:1: error: C is already defined as case class C -object O { case class C[T]; 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 } - ^ -three warnings found +object T { case class C[T](); case class C() } + ^ two errors found diff --git a/test/files/neg/t5956.scala b/test/files/neg/t5956.scala index d985fa97a4..3cc10f3e19 100644 --- a/test/files/neg/t5956.scala +++ b/test/files/neg/t5956.scala @@ -1,2 +1,2 @@ -object O { case class C[T]; class C } -object T { case class C[T]; case class C } +object O { case class C[T](); class C() } +object T { case class C[T](); case class C() } diff --git a/test/files/neg/t5969.scala b/test/files/neg/t5969.scala index 62f87fd7ab..d010cacd1b 100644 --- a/test/files/neg/t5969.scala +++ b/test/files/neg/t5969.scala @@ -4,7 +4,7 @@ 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/test/files/neg/t6011.check b/test/files/neg/t6011.check index 5b5a861e5b..cb7f189031 100644 --- a/test/files/neg/t6011.check +++ b/test/files/neg/t6011.check @@ -1,10 +1,12 @@ -t6011.scala:4: error: unreachable code +t6011.scala:4: warning: unreachable code case 'a' | 'c' => 1 // unreachable ^ -t6011.scala:10: error: unreachable code +t6011.scala:10: warning: unreachable code case 'b' | 'a' => 1 // unreachable ^ -t6011.scala:8: error: could not emit switch for @switch annotated match +t6011.scala:8: warning: could not emit switch for @switch annotated match def f2(ch: Char): Any = (ch: @annotation.switch) match { ^ -three errors found +error: No warnings can be incurred under -Xfatal-warnings. +three warnings found +one error found diff --git a/test/files/neg/t6048.check b/test/files/neg/t6048.check index 5bdf2eca88..f8eddf5471 100644 --- a/test/files/neg/t6048.check +++ b/test/files/neg/t6048.check @@ -1,13 +1,18 @@ -t6048.scala:3: error: unreachable code +t6048.scala:3: warning: unreachable code case _ if false => x // unreachable ^ -t6048.scala:8: error: unreachable code +t6048.scala:8: warning: unreachable code case _ if false => x // unreachable ^ -t6048.scala:13: error: patterns after a variable pattern cannot match (SLS 8.1.1) +t6048.scala:13: warning: patterns after a variable pattern cannot match (SLS 8.1.1) case _ => x ^ -t6048.scala:14: error: unreachable code due to variable pattern on line 13 +t6048.scala:14: warning: unreachable code due to variable pattern on line 13 case 5 if true => x // unreachable ^ -four errors found +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/test/files/neg/t608.scala b/test/files/neg/t608.scala index 1f12764dd1..34dc4c0352 100644 --- a/test/files/neg/t608.scala +++ b/test/files/neg/t608.scala @@ -2,7 +2,7 @@ trait CrashDueToTypeError { def id[a](x :a) :a = x trait Bifunctor { - type a; // content + type a; // content type s <: Bifunctor // uncomment this-vvvvvvvvvvvvvvvvvvvvvvvvvvvv, and it compiles diff --git a/test/files/neg/t6083.check b/test/files/neg/t6083.check new file mode 100644 index 0000000000..c9b5ba05d3 --- /dev/null +++ b/test/files/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/test/files/neg/t6083.scala b/test/files/neg/t6083.scala new file mode 100644 index 0000000000..1de18e6527 --- /dev/null +++ b/test/files/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/test/files/neg/t6120.check b/test/files/neg/t6120.check new file mode 100644 index 0000000000..a7d17e29cf --- /dev/null +++ b/test/files/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/test/files/neg/t6120.flags b/test/files/neg/t6120.flags new file mode 100644 index 0000000000..04d7c7d417 --- /dev/null +++ b/test/files/neg/t6120.flags @@ -0,0 +1 @@ +-feature -deprecation -Xfatal-warnings
\ No newline at end of file diff --git a/test/files/neg/t6120.scala b/test/files/neg/t6120.scala new file mode 100644 index 0000000000..425f09db47 --- /dev/null +++ b/test/files/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/test/files/neg/t6123-explaintypes-macros.check b/test/files/neg/t6123-explaintypes-macros.check new file mode 100644 index 0000000000..2c86f3c9cc --- /dev/null +++ b/test/files/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/test/files/neg/t6123-explaintypes-macros/BadMac_2.flags b/test/files/neg/t6123-explaintypes-macros/BadMac_2.flags new file mode 100644 index 0000000000..b36707c7cf --- /dev/null +++ b/test/files/neg/t6123-explaintypes-macros/BadMac_2.flags @@ -0,0 +1 @@ +-explaintypes diff --git a/test/files/neg/t6123-explaintypes-macros/BadMac_2.scala b/test/files/neg/t6123-explaintypes-macros/BadMac_2.scala new file mode 100644 index 0000000000..75ded4ef7d --- /dev/null +++ b/test/files/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/test/files/neg/t6123-explaintypes-macros/Macros.flags b/test/files/neg/t6123-explaintypes-macros/Macros.flags new file mode 100644 index 0000000000..b36707c7cf --- /dev/null +++ b/test/files/neg/t6123-explaintypes-macros/Macros.flags @@ -0,0 +1 @@ +-explaintypes diff --git a/test/files/neg/t6123-explaintypes-macros/Macros.scala b/test/files/neg/t6123-explaintypes-macros/Macros.scala new file mode 100644 index 0000000000..f2238b39a7 --- /dev/null +++ b/test/files/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/test/files/neg/t6162-inheritance.check b/test/files/neg/t6162-inheritance.check index a7d3cc3238..c9f4ddaec1 100644 --- a/test/files/neg/t6162-inheritance.check +++ b/test/files/neg/t6162-inheritance.check @@ -1,10 +1,12 @@ -t6162-inheritance.scala:6: error: inheritance from class Foo in package t6126 is deprecated: `Foo` will be made final in a future version. +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 ^ -t6162-inheritance.scala:11: error: inheritance from trait T in package t6126 is deprecated +usage.scala:5: warning: inheritance from trait T in package t6126 is deprecated object SubT extends T ^ -t6162-inheritance.scala:17: error: inheritance from trait S in package t6126 is deprecated +usage.scala:8: warning: inheritance from trait S in package t6126 is deprecated new S { ^ -three errors found +error: No warnings can be incurred under -Xfatal-warnings. +three warnings found +one error found diff --git a/test/files/neg/t6162-inheritance.scala b/test/files/neg/t6162-inheritance/defn.scala index 7b47b9285a..bb582d27b0 100644 --- a/test/files/neg/t6162-inheritance.scala +++ b/test/files/neg/t6162-inheritance/defn.scala @@ -3,17 +3,8 @@ package scala.t6126 @deprecatedInheritance("`Foo` will be made final in a future version.", "2.10.0") class Foo -class SubFoo extends Foo - @deprecatedInheritance() trait T -object SubT extends T - @deprecatedInheritance() trait S - -object O { - new S { - } -} diff --git a/test/files/neg/t6162-inheritance/usage.scala b/test/files/neg/t6162-inheritance/usage.scala new file mode 100644 index 0000000000..097e4f5903 --- /dev/null +++ b/test/files/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/test/files/neg/t6162-overriding.check b/test/files/neg/t6162-overriding.check index e774888d36..6bff75d88d 100644 --- a/test/files/neg/t6162-overriding.check +++ b/test/files/neg/t6162-overriding.check @@ -1,7 +1,9 @@ -t6162-overriding.scala:14: error: overriding method bar in class Bar is deprecated: `bar` will be made private in a future version. +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: error: overriding method baz in class Bar is deprecated +t6162-overriding.scala:15: warning: overriding method baz in class Bar is deprecated override def baz = 43 ^ -two errors found +error: No warnings can be incurred under -Xfatal-warnings. +two warnings found +one error found diff --git a/test/files/neg/t6231.check b/test/files/neg/t6231.check deleted file mode 100644 index b27961d393..0000000000 --- a/test/files/neg/t6231.check +++ /dev/null @@ -1,6 +0,0 @@ -t6231.scala:4: error: Implementation restriction: local trait Bug$X$1 is unable to automatically capture the -free variable value ev$1 on behalf of anonymous class anonfun$qux$1. You can manually assign it to a val inside the trait, -and refer that that val in anonymous class anonfun$qux$1. For more details, see SI-6231. - def qux = { () => ev } - ^ -one error found diff --git a/test/files/neg/t6231.scala b/test/files/neg/t6231.scala deleted file mode 100644 index 1e5b4e0e1a..0000000000 --- a/test/files/neg/t6231.scala +++ /dev/null @@ -1,15 +0,0 @@ -object Bug { - def bar(ev: Any) = { - trait X { - def qux = { () => ev } - } - new X {}.qux() - - // workaround - trait Y { - val ev2 = ev // manually capture `ev` so that `ev2` is added to the trait interface. - def qux = { () => ev2 } - } - } -} - diff --git a/test/files/neg/t6260-named.check b/test/files/neg/t6260-named.check new file mode 100644 index 0000000000..ed6ab5e76f --- /dev/null +++ b/test/files/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/test/files/neg/t6260-named.scala b/test/files/neg/t6260-named.scala new file mode 100644 index 0000000000..7cd9ce8473 --- /dev/null +++ b/test/files/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/test/files/neg/t6260.check b/test/files/neg/t6260.check deleted file mode 100644 index 46e9bd1dfc..0000000000 --- a/test/files/neg/t6260.check +++ /dev/null @@ -1,13 +0,0 @@ -t6260.scala:3: error: bridge generated for member method apply: (bx: Box[X])Box[Y] in anonymous class $anonfun -which overrides method apply: (v1: T1)R in trait Function1 -clashes with definition of the member itself; -both have erased type (v1: Object)Object - ((bx: Box[X]) => new Box(f(bx.x)))(this) - ^ -t6260.scala:8: error: bridge generated for member method apply: (bx: Box[X])Box[Y] in anonymous class $anonfun -which overrides method apply: (v1: T1)R in trait Function1 -clashes with definition of the member itself; -both have erased type (v1: Object)Object - ((bx: Box[X]) => new Box(f(bx.x)))(self) - ^ -two errors found diff --git a/test/files/neg/t6260.scala b/test/files/neg/t6260.scala deleted file mode 100644 index 93b5448227..0000000000 --- a/test/files/neg/t6260.scala +++ /dev/null @@ -1,17 +0,0 @@ -class Box[X](val x: X) extends AnyVal { - def map[Y](f: X => Y): Box[Y] = - ((bx: Box[X]) => new Box(f(bx.x)))(this) -} - -object Test { - def map2[X, Y](self: Box[X], f: X => Y): Box[Y] = - ((bx: Box[X]) => new Box(f(bx.x)))(self) - - def main(args: Array[String]) { - val f = (x: Int) => x + 1 - val g = (x: String) => x + x - - map2(new Box(42), f) - new Box("abc") map g - } -} diff --git a/test/files/neg/t6260c.check b/test/files/neg/t6260c.check new file mode 100644 index 0000000000..cbbcfd1504 --- /dev/null +++ b/test/files/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/test/files/neg/t6260c.scala b/test/files/neg/t6260c.scala new file mode 100644 index 0000000000..02bf152376 --- /dev/null +++ b/test/files/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/test/files/neg/t6264.check b/test/files/neg/t6264.check index 438be4c39f..c0975a80b2 100644 --- a/test/files/neg/t6264.check +++ b/test/files/neg/t6264.check @@ -1,4 +1,6 @@ -t6264.scala:3: error: non-variable type argument Tuple1[_] in type Tuple2[_, Tuple1[_]] is unchecked since it is eliminated by erasure +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/test/files/neg/t6276.check b/test/files/neg/t6276.check index 0b3dfa5531..f275de9d0a 100644 --- a/test/files/neg/t6276.check +++ b/test/files/neg/t6276.check @@ -1,19 +1,21 @@ -t6276.scala:4: error: method a in class C does nothing other than call itself recursively +t6276.scala:4: warning: method a in class C does nothing other than call itself recursively def a: Any = a // warn ^ -t6276.scala:5: error: value b in class C does nothing other than call itself recursively +t6276.scala:5: warning: value b in class C does nothing other than call itself recursively val b: Any = b // warn ^ -t6276.scala:7: error: method c in class C does nothing other than call itself recursively +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: error: method d in class C does nothing other than call itself recursively +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: error: method a does nothing other than call itself recursively +t6276.scala:13: warning: method a does nothing other than call itself recursively def a: Any = a // warn ^ -t6276.scala:22: error: method a does nothing other than call itself recursively +t6276.scala:22: warning: method a does nothing other than call itself recursively def a = a // warn ^ -6 errors found +error: No warnings can be incurred under -Xfatal-warnings. +6 warnings found +one error found diff --git a/test/files/neg/t6289.check b/test/files/neg/t6289.check new file mode 100644 index 0000000000..f6f43cabd3 --- /dev/null +++ b/test/files/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/test/files/neg/t6289.flags b/test/files/neg/t6289.flags new file mode 100644 index 0000000000..85d8eb2ba2 --- /dev/null +++ b/test/files/neg/t6289.flags @@ -0,0 +1 @@ +-Xfatal-warnings diff --git a/test/files/neg/t6289/J.java b/test/files/neg/t6289/J.java new file mode 100644 index 0000000000..83f50c9ae2 --- /dev/null +++ b/test/files/neg/t6289/J.java @@ -0,0 +1,5 @@ +public class J { + @Override public void foo() { } + + public void bar() { foo(); } +} diff --git a/test/files/neg/t6289/SUT_5.scala b/test/files/neg/t6289/SUT_5.scala new file mode 100644 index 0000000000..0a996352c0 --- /dev/null +++ b/test/files/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/test/files/neg/t6323a.check b/test/files/neg/t6323a.check index 4d682e5422..261a60ef3c 100644 --- a/test/files/neg/t6323a.check +++ b/test/files/neg/t6323a.check @@ -5,8 +5,8 @@ t6323a.scala:11: materializing requested reflect.runtime.universe.type.TypeTag[T 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 local class Test.Test: use WeakTypeTag instead +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 diff --git a/test/files/neg/t6355a.check b/test/files/neg/t6355a.check new file mode 100644 index 0000000000..5768d31f0b --- /dev/null +++ b/test/files/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/test/files/neg/t6355a.scala b/test/files/neg/t6355a.scala new file mode 100644 index 0000000000..0500ed04c6 --- /dev/null +++ b/test/files/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/test/files/neg/t6355b.check b/test/files/neg/t6355b.check new file mode 100644 index 0000000000..f827f07e53 --- /dev/null +++ b/test/files/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/test/files/neg/t6355b.scala b/test/files/neg/t6355b.scala new file mode 100644 index 0000000000..5f3c97cb0c --- /dev/null +++ b/test/files/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/test/files/neg/t6375.check b/test/files/neg/t6375.check new file mode 100644 index 0000000000..89d7d8060f --- /dev/null +++ b/test/files/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/test/files/neg/t6375.flags b/test/files/neg/t6375.flags new file mode 100644 index 0000000000..85d8eb2ba2 --- /dev/null +++ b/test/files/neg/t6375.flags @@ -0,0 +1 @@ +-Xfatal-warnings diff --git a/test/files/neg/t6375.scala b/test/files/neg/t6375.scala new file mode 100644 index 0000000000..21634df688 --- /dev/null +++ b/test/files/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/test/files/neg/t6385.check b/test/files/neg/t6385.check deleted file mode 100644 index 93e51e8927..0000000000 --- a/test/files/neg/t6385.check +++ /dev/null @@ -1,7 +0,0 @@ -t6385.scala:12: error: bridge generated for member method x: ()C[T] in class C -which overrides method x: ()C[T] in trait AA -clashes with definition of the member itself; -both have erased type ()Object - def x = this - ^ -one error found diff --git a/test/files/neg/t6385.scala b/test/files/neg/t6385.scala deleted file mode 100644 index cec58eec9e..0000000000 --- a/test/files/neg/t6385.scala +++ /dev/null @@ -1,13 +0,0 @@ -object N { - def main(args: Array[String]) { - val y: AA[Int] = C(2) - val c: Int = y.x.y - println(c) - } -} -trait AA[T] extends Any { - def x: C[T] -} -case class C[T](val y: T) extends AnyVal with AA[T] { - def x = this -} diff --git a/test/files/neg/t6406-regextract.check b/test/files/neg/t6406-regextract.check new file mode 100644 index 0000000000..19425a68b0 --- /dev/null +++ b/test/files/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/test/files/neg/t6406-regextract.flags b/test/files/neg/t6406-regextract.flags new file mode 100644 index 0000000000..7de3c0f3ee --- /dev/null +++ b/test/files/neg/t6406-regextract.flags @@ -0,0 +1 @@ +-Xfatal-warnings -deprecation diff --git a/test/files/neg/t6406-regextract.scala b/test/files/neg/t6406-regextract.scala new file mode 100644 index 0000000000..0f5dad908d --- /dev/null +++ b/test/files/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/test/files/neg/t6443c.check b/test/files/neg/t6443c.check index 7cf8d23f4b..7b7f419f6c 100644 --- a/test/files/neg/t6443c.check +++ b/test/files/neg/t6443c.check @@ -1,6 +1,6 @@ t6443c.scala:16: error: double definition: -method foo:(d: B.D)(a: Any)(d2: d.type)Unit and -method foo:(d: B.D)(a: Any, d2: d.type)Unit at line 11 +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 = () ^ diff --git a/test/files/neg/t6446-additional.check b/test/files/neg/t6446-additional.check new file mode 100755 index 0000000000..a87af2f1e5 --- /dev/null +++ b/test/files/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/test/files/neg/t6446-additional/ploogin_1.scala b/test/files/neg/t6446-additional/ploogin_1.scala new file mode 100644 index 0000000000..ed6adfc1cf --- /dev/null +++ b/test/files/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) { + // kewl kode + } + } + } +} diff --git a/test/files/neg/t6446-additional/sample_2.flags b/test/files/neg/t6446-additional/sample_2.flags new file mode 100644 index 0000000000..4d518c2286 --- /dev/null +++ b/test/files/neg/t6446-additional/sample_2.flags @@ -0,0 +1 @@ +-Xplugin:. -Xshow-phases diff --git a/test/files/neg/t6446-additional/sample_2.scala b/test/files/neg/t6446-additional/sample_2.scala new file mode 100644 index 0000000000..73cdc64e40 --- /dev/null +++ b/test/files/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/test/files/neg/t6446-additional/scalac-plugin.xml b/test/files/neg/t6446-additional/scalac-plugin.xml new file mode 100644 index 0000000000..e849bb5919 --- /dev/null +++ b/test/files/neg/t6446-additional/scalac-plugin.xml @@ -0,0 +1,4 @@ +<plugin> +<name>sample-plugin</name> +<classname>t6446.Ploogin</classname> +</plugin> diff --git a/test/files/neg/t6446-list.check b/test/files/neg/t6446-list.check new file mode 100755 index 0000000000..fa5c581941 --- /dev/null +++ b/test/files/neg/t6446-list.check @@ -0,0 +1 @@ +ploogin - A sample plugin for testing. diff --git a/test/files/neg/t6446-list/ploogin_1.scala b/test/files/neg/t6446-list/ploogin_1.scala new file mode 100644 index 0000000000..ed6adfc1cf --- /dev/null +++ b/test/files/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) { + // kewl kode + } + } + } +} diff --git a/test/files/neg/t6446-list/sample_2.flags b/test/files/neg/t6446-list/sample_2.flags new file mode 100644 index 0000000000..9cb3232964 --- /dev/null +++ b/test/files/neg/t6446-list/sample_2.flags @@ -0,0 +1 @@ +-Xplugin:. -Xplugin-list diff --git a/test/files/neg/t6446-list/sample_2.scala b/test/files/neg/t6446-list/sample_2.scala new file mode 100644 index 0000000000..73cdc64e40 --- /dev/null +++ b/test/files/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/test/files/neg/t6446-list/scalac-plugin.xml b/test/files/neg/t6446-list/scalac-plugin.xml new file mode 100644 index 0000000000..e849bb5919 --- /dev/null +++ b/test/files/neg/t6446-list/scalac-plugin.xml @@ -0,0 +1,4 @@ +<plugin> +<name>sample-plugin</name> +<classname>t6446.Ploogin</classname> +</plugin> diff --git a/test/files/neg/t6446-missing.check b/test/files/neg/t6446-missing.check new file mode 100755 index 0000000000..029c8057c3 --- /dev/null +++ b/test/files/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/test/files/neg/t6446-missing/sample_2.flags b/test/files/neg/t6446-missing/sample_2.flags new file mode 100644 index 0000000000..4d518c2286 --- /dev/null +++ b/test/files/neg/t6446-missing/sample_2.flags @@ -0,0 +1 @@ +-Xplugin:. -Xshow-phases diff --git a/test/files/neg/t6446-missing/sample_2.scala b/test/files/neg/t6446-missing/sample_2.scala new file mode 100644 index 0000000000..73cdc64e40 --- /dev/null +++ b/test/files/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/test/files/neg/t6446-missing/scalac-plugin.xml b/test/files/neg/t6446-missing/scalac-plugin.xml new file mode 100644 index 0000000000..9c34d63f83 --- /dev/null +++ b/test/files/neg/t6446-missing/scalac-plugin.xml @@ -0,0 +1,4 @@ +<plugin> +<name>missing-plugin</name> +<classname>t6446.Ploogin</classname> +</plugin> diff --git a/test/files/neg/t6446-show-phases.check b/test/files/neg/t6446-show-phases.check new file mode 100644 index 0000000000..3ae3f96ef2 --- /dev/null +++ b/test/files/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/test/files/neg/t6446-show-phases.flags b/test/files/neg/t6446-show-phases.flags new file mode 100644 index 0000000000..845666e100 --- /dev/null +++ b/test/files/neg/t6446-show-phases.flags @@ -0,0 +1 @@ +-Xshow-phases diff --git a/test/files/neg/t6446-show-phases.scala b/test/files/neg/t6446-show-phases.scala new file mode 100644 index 0000000000..a9afb042d2 --- /dev/null +++ b/test/files/neg/t6446-show-phases.scala @@ -0,0 +1,3 @@ + +// testing compiler flag output only +object Test extends App diff --git a/test/files/neg/t6455.check b/test/files/neg/t6455.check new file mode 100644 index 0000000000..8f2aad0b9e --- /dev/null +++ b/test/files/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/test/files/neg/ambiguous-float-dots2.flags b/test/files/neg/t6455.flags index 112fc720a0..112fc720a0 100644 --- a/test/files/neg/ambiguous-float-dots2.flags +++ b/test/files/neg/t6455.flags diff --git a/test/files/neg/t6455.scala b/test/files/neg/t6455.scala new file mode 100644 index 0000000000..ebbb37f1cd --- /dev/null +++ b/test/files/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) +}
\ No newline at end of file diff --git a/test/files/neg/t6534.check b/test/files/neg/t6534.check index 52e70cfa8a..c2e80b377a 100644 --- a/test/files/neg/t6534.check +++ b/test/files/neg/t6534.check @@ -1,9 +1,3 @@ -t6534.scala:4: warning: Implementation of equals inherited from trait Foo overridden in class Bippy1 to enforce value class semantics -class Bippy1(val x: Int) extends AnyVal with Foo { } // warn - ^ -t6534.scala:5: warning: Implementation of hashCode inherited from trait Ding overridden in class Bippy2 to enforce value class semantics -class Bippy2(val x: Int) extends AnyVal with Ding { } // warn - ^ 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 ^ @@ -13,5 +7,4 @@ class Bippy4(val x: Int) extends AnyVal { override def hashCode = -1 } 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 ^ -two warnings found three errors found diff --git a/test/files/neg/t6539.check b/test/files/neg/t6539.check index b647636338..8c94a8ad4c 100644 --- a/test/files/neg/t6539.check +++ b/test/files/neg/t6539.check @@ -7,4 +7,10 @@ Test_2.scala:3: error: cto may only be used as an argument to m Test_2.scala:5: error: cto may only be used as an argument to m M.cto // error ^ -three errors found +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/test/files/neg/t6539/Macro_1.scala b/test/files/neg/t6539/Macro_1.scala index 4f7d289e2e..60db669c46 100644 --- a/test/files/neg/t6539/Macro_1.scala +++ b/test/files/neg/t6539/Macro_1.scala @@ -1,9 +1,9 @@ import language.experimental.macros -import reflect.macros.Context +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]) = a + 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/test/files/neg/t6566a.check b/test/files/neg/t6566a.check new file mode 100644 index 0000000000..7668f9d2fb --- /dev/null +++ b/test/files/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/test/files/neg/t6566a.scala b/test/files/neg/t6566a.scala new file mode 100644 index 0000000000..74a0b38e56 --- /dev/null +++ b/test/files/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/test/files/neg/t6566b.check b/test/files/neg/t6566b.check new file mode 100644 index 0000000000..fb3fe81fca --- /dev/null +++ b/test/files/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/test/files/neg/t6566b.scala b/test/files/neg/t6566b.scala new file mode 100644 index 0000000000..18ddebf88b --- /dev/null +++ b/test/files/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 { println("iAmABar") } + + setX() + println(x.unsound) + } + + def main(args: Array[String]): Unit = new Bar +} diff --git a/test/files/neg/t6567.check b/test/files/neg/t6567.check index 4c513e64cd..a733d75354 100644 --- a/test/files/neg/t6567.check +++ b/test/files/neg/t6567.check @@ -1,7 +1,9 @@ -t6567.scala:8: error: Suspicious application of an implicit view (Test.this.a2b) in the argument to Option.apply. +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: error: Suspicious application of an implicit view (Test.this.a2b) in the argument to Option.apply. +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) ^ -two errors found +error: No warnings can be incurred under -Xfatal-warnings. +two warnings found +one error found diff --git a/test/files/neg/t6574.check b/test/files/neg/t6574.check new file mode 100644 index 0000000000..c67b4ed804 --- /dev/null +++ b/test/files/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/test/files/neg/t6574.scala b/test/files/neg/t6574.scala new file mode 100644 index 0000000000..bba97ad62e --- /dev/null +++ b/test/files/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) { + this.notTailPos[Z](a)(b) + println("tail") + } + + @annotation.tailrec final def differentTypeArgs { + {(); new Bad[String, Unit](0)}.differentTypeArgs + } +} diff --git a/test/files/neg/t6601.check b/test/files/neg/t6601.check new file mode 100644 index 0000000000..1410e1b11a --- /dev/null +++ b/test/files/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/test/files/neg/t6601/AccessPrivateConstructor_2.scala b/test/files/neg/t6601/AccessPrivateConstructor_2.scala new file mode 100644 index 0000000000..816bc10d79 --- /dev/null +++ b/test/files/neg/t6601/AccessPrivateConstructor_2.scala @@ -0,0 +1,3 @@ +class AccessPrivateConstructor { + new PrivateConstructor("") // Scalac should forbid accessing to the private constructor! +} diff --git a/test/files/neg/t6601/PrivateConstructor_1.scala b/test/files/neg/t6601/PrivateConstructor_1.scala new file mode 100644 index 0000000000..f09d7ad068 --- /dev/null +++ b/test/files/neg/t6601/PrivateConstructor_1.scala @@ -0,0 +1 @@ +class PrivateConstructor private(val s: String) extends AnyVal diff --git a/test/files/neg/t663.check b/test/files/neg/t663.check index 40161fb3e3..633e27ee12 100644 --- a/test/files/neg/t663.check +++ b/test/files/neg/t663.check @@ -1,7 +1,7 @@ t663.scala:11: error: name clash between defined and inherited member: -method asMatch:(m: Test.this.Node)Any and -method asMatch:(node: Test.this.Matchable)Any in trait MatchableImpl -have same type after erasure: (m: test.Test#NodeImpl)Object +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/test/files/neg/t6666.check b/test/files/neg/t6666.check index 6337d4c7d9..43c8252753 100644 --- a/test/files/neg/t6666.check +++ b/test/files/neg/t6666.check @@ -1,28 +1,28 @@ -t6666.scala:23: error: Implementation restriction: access of method x$2 in object O1 from anonymous class 2, would require illegal premature access to object O1 +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 anonymous class 3, would require illegal premature access to object O2 +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 anonymous class 4, would require illegal premature access to object O3 +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 anonymous class 7, would require illegal premature access to the unconstructed `this` of class C1 +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 anonymous class 8, would require illegal premature access to the unconstructed `this` of class C2 +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 anonymous class 9, would require illegal premature access to the unconstructed `this` of class C3 +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 anonymous class 12, would require illegal premature access to the unconstructed `this` of class C11 +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 anonymous class 13, would require illegal premature access to the unconstructed `this` of class C13 +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 diff --git a/test/files/neg/t6666.flags b/test/files/neg/t6666.flags new file mode 100644 index 0000000000..2349d8294d --- /dev/null +++ b/test/files/neg/t6666.flags @@ -0,0 +1 @@ +-Ydelambdafy:inline diff --git a/test/files/neg/t6666.scala b/test/files/neg/t6666.scala index 1919ea3ca9..58c5be5405 100644 --- a/test/files/neg/t6666.scala +++ b/test/files/neg/t6666.scala @@ -118,4 +118,4 @@ class CEarly(a: Any) extends { object Nested { def xx = x} Nested.xx } -} with AnyRef
\ No newline at end of file +} with AnyRef
\ No newline at end of file diff --git a/test/files/neg/t6666c.check b/test/files/neg/t6666c.check index 8fb9f4ba14..384e52a9fc 100644 --- a/test/files/neg/t6666c.check +++ b/test/files/neg/t6666c.check @@ -4,7 +4,7 @@ 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 anonymous class 2 +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/test/files/neg/t6666c.flags b/test/files/neg/t6666c.flags new file mode 100644 index 0000000000..2349d8294d --- /dev/null +++ b/test/files/neg/t6666c.flags @@ -0,0 +1 @@ +-Ydelambdafy:inline diff --git a/test/files/neg/t6666e.check b/test/files/neg/t6666e.check index 9fcc3ab718..3189612314 100644 --- a/test/files/neg/t6666e.check +++ b/test/files/neg/t6666e.check @@ -1,4 +1,4 @@ -t6666e.scala:8: error: Implementation restriction: anonymous class $anonfun requires premature access to class Crash. +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/test/files/neg/t6667.check b/test/files/neg/t6667.check index b04251d7c1..43313fa4fe 100644 --- a/test/files/neg/t6667.check +++ b/test/files/neg/t6667.check @@ -1,5 +1,4 @@ -t6667.scala:8: error: Search of in-scope implicits was ambiguous, and the implicit scope was searched. In Scala 2.11.0, this code will not compile. See SI-6667. -ambiguous implicit values: +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 diff --git a/test/files/neg/t6667.flags b/test/files/neg/t6667.flags deleted file mode 100644 index 6c1dd108ae..0000000000 --- a/test/files/neg/t6667.flags +++ /dev/null @@ -1 +0,0 @@ --Xfatal-warnings -Xlint
\ No newline at end of file diff --git a/test/files/neg/t6667b.check b/test/files/neg/t6667b.check index 5d56e776c3..99cea9a47c 100644 --- a/test/files/neg/t6667b.check +++ b/test/files/neg/t6667b.check @@ -4,8 +4,7 @@ t6667b.scala:16: error: ambiguous implicit values: match expected type Test.Box new Test() ^ -t6667b.scala:19: error: Search of in-scope implicits was ambiguous, and the implicit scope was searched. In Scala 2.11.0, this code will not compile. See SI-6667. -ambiguous implicit values: +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 diff --git a/test/files/neg/t6667b.flags b/test/files/neg/t6667b.flags deleted file mode 100644 index 6c1dd108ae..0000000000 --- a/test/files/neg/t6667b.flags +++ /dev/null @@ -1 +0,0 @@ --Xfatal-warnings -Xlint
\ No newline at end of file diff --git a/test/files/neg/t667.check b/test/files/neg/t667.check index d4367bc87b..e68c6dea00 100644 --- a/test/files/neg/t667.check +++ b/test/files/neg/t667.check @@ -1,4 +1,4 @@ -t667.scala:8: error: class Ni inherits itself +t667.scala:8: error: illegal cyclic reference involving class Ni class Ni extends super.Ni with Ni; - ^ + ^ one error found diff --git a/test/files/neg/t6675-old-patmat.check b/test/files/neg/t6675-old-patmat.check deleted file mode 100644 index bc3920da06..0000000000 --- a/test/files/neg/t6675-old-patmat.check +++ /dev/null @@ -1,4 +0,0 @@ -t6675-old-patmat.scala:10: error: extractor pattern binds a single value to a Product3 of type (Int, Int, Int) - "" match { case X(b) => b } // should warn under -Xlint. Not an error because of SI-6111 - ^ -one error found diff --git a/test/files/neg/t6675-old-patmat.flags b/test/files/neg/t6675-old-patmat.flags deleted file mode 100644 index 604de64a62..0000000000 --- a/test/files/neg/t6675-old-patmat.flags +++ /dev/null @@ -1 +0,0 @@ --Xlint -Xfatal-warnings -Xoldpatmat
\ No newline at end of file diff --git a/test/files/neg/t6675-old-patmat.scala b/test/files/neg/t6675-old-patmat.scala deleted file mode 100644 index 4d500b77ba..0000000000 --- a/test/files/neg/t6675-old-patmat.scala +++ /dev/null @@ -1,13 +0,0 @@ -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/test/files/neg/t6675.check b/test/files/neg/t6675.check index 7b271de213..aecf04cb68 100644 --- a/test/files/neg/t6675.check +++ b/test/files/neg/t6675.check @@ -1,4 +1,6 @@ -t6675.scala:10: error: extractor pattern binds a single value to a Product3 of type (Int, Int, Int) +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/test/files/neg/t6675.flags b/test/files/neg/t6675.flags index e93641e931..2843ea9efc 100644 --- a/test/files/neg/t6675.flags +++ b/test/files/neg/t6675.flags @@ -1 +1 @@ --Xlint -Xfatal-warnings
\ No newline at end of file +-deprecation -Xlint -Xfatal-warnings
\ No newline at end of file diff --git a/test/files/neg/t6675b.check b/test/files/neg/t6675b.check new file mode 100644 index 0000000000..77f6b3ccbc --- /dev/null +++ b/test/files/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/test/files/neg/t6675b.flags b/test/files/neg/t6675b.flags new file mode 100644 index 0000000000..2fcfa0cddb --- /dev/null +++ b/test/files/neg/t6675b.flags @@ -0,0 +1 @@ +-deprecation -Xlint diff --git a/test/files/neg/t6675b.scala b/test/files/neg/t6675b.scala new file mode 100644 index 0000000000..c86c9c3955 --- /dev/null +++ b/test/files/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/test/files/neg/t6680a.check b/test/files/neg/t6680a.check new file mode 100644 index 0000000000..03e4df10c1 --- /dev/null +++ b/test/files/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/test/files/neg/t6680a.flags b/test/files/neg/t6680a.flags new file mode 100644 index 0000000000..19243266d1 --- /dev/null +++ b/test/files/neg/t6680a.flags @@ -0,0 +1 @@ +-Xstrict-inference
\ No newline at end of file diff --git a/test/files/neg/t6680a.scala b/test/files/neg/t6680a.scala new file mode 100644 index 0000000000..93b796438f --- /dev/null +++ b/test/files/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/test/files/neg/t6771b.check b/test/files/neg/t6771b.check index ba99e9178d..0c9fae533e 100644 --- a/test/files/neg/t6771b.check +++ b/test/files/neg/t6771b.check @@ -1,4 +1,4 @@ -t6771b.scala:14: error: type mismatch; +t6771b.scala:12: error: type mismatch; found : x.type (with underlying type String) required: Test.a.type b = b match { case x => x } diff --git a/test/files/neg/t6771b.scala b/test/files/neg/t6771b.scala index 78f11f7750..9723f70290 100644 --- a/test/files/neg/t6771b.scala +++ b/test/files/neg/t6771b.scala @@ -6,8 +6,6 @@ // 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 diff --git a/test/files/neg/t6815.check b/test/files/neg/t6815.check new file mode 100644 index 0000000000..fae3819be1 --- /dev/null +++ b/test/files/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/test/files/neg/t6815.scala b/test/files/neg/t6815.scala new file mode 100644 index 0000000000..ff973a7437 --- /dev/null +++ b/test/files/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/test/files/neg/t6829.check b/test/files/neg/t6829.check index 7c3c66e0f2..914a1c9260 100644 --- a/test/files/neg/t6829.check +++ b/test/files/neg/t6829.check @@ -20,11 +20,31 @@ t6829.scala:50: error: type mismatch; 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) @@ -33,4 +53,4 @@ t6829.scala:53: error: not found: value currentHistory Error occurred in an application involving default arguments. copy(agents = updatedAgents, state = nextState, pastHistory = currentHistory) ^ -9 errors found +13 errors found diff --git a/test/files/neg/t6844.check b/test/files/neg/t6844.check new file mode 100644 index 0000000000..1fc2485520 --- /dev/null +++ b/test/files/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/test/files/neg/t6844.scala b/test/files/neg/t6844.scala new file mode 100644 index 0000000000..809d9d0f98 --- /dev/null +++ b/test/files/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/test/files/neg/t6889.check b/test/files/neg/t6889.check new file mode 100644 index 0000000000..a77e8a010c --- /dev/null +++ b/test/files/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/test/files/neg/t6889.scala b/test/files/neg/t6889.scala new file mode 100644 index 0000000000..ef1963669c --- /dev/null +++ b/test/files/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/test/files/neg/t6902.check b/test/files/neg/t6902.check index 8ad7fd37f9..ed0ed75303 100644 --- a/test/files/neg/t6902.check +++ b/test/files/neg/t6902.check @@ -1,10 +1,12 @@ -t6902.scala:4: error: unreachable code +t6902.scala:4: warning: unreachable code case Some(b) => 3 // no warning was emitted ^ -t6902.scala:9: error: unreachable code +t6902.scala:9: warning: unreachable code case Some(b) => 3 // no warning was emitted ^ -t6902.scala:21: error: unreachable code +t6902.scala:21: warning: unreachable code case 1 => 3 // crash ^ -three errors found +error: No warnings can be incurred under -Xfatal-warnings. +three warnings found +one error found diff --git a/test/files/neg/t692.check b/test/files/neg/t692.check index 4149366309..0ca99717d6 100644 --- a/test/files/neg/t692.check +++ b/test/files/neg/t692.check @@ -11,7 +11,7 @@ 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]] = + 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; diff --git a/test/files/neg/t692.scala b/test/files/neg/t692.scala index f230a6bacf..24e1d2fea3 100644 --- a/test/files/neg/t692.scala +++ b/test/files/neg/t692.scala @@ -5,15 +5,15 @@ abstract class test3 { 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]] = + 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/test/files/neg/t6920.check b/test/files/neg/t6920.check new file mode 100644 index 0000000000..ee4eafb83e --- /dev/null +++ b/test/files/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/test/files/neg/t6920.scala b/test/files/neg/t6920.scala new file mode 100644 index 0000000000..b79d641698 --- /dev/null +++ b/test/files/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) +}
\ No newline at end of file diff --git a/test/files/neg/t693.check b/test/files/neg/t693.check index 62325b5c60..25bd141501 100644 --- a/test/files/neg/t693.check +++ b/test/files/neg/t693.check @@ -1,4 +1,4 @@ t693.scala:4: error: x is already defined as value x - val x : Int = 10; + val x : Int = 10; ^ one error found diff --git a/test/files/neg/t693.scala b/test/files/neg/t693.scala index d2074bee38..3a9e6247a8 100644 --- a/test/files/neg/t693.scala +++ b/test/files/neg/t693.scala @@ -1,5 +1,5 @@ abstract class test4 { trait Type; val x : Type = null; - val x : Int = 10; + val x : Int = 10; } diff --git a/test/files/neg/t6931.check b/test/files/neg/t6931.check new file mode 100644 index 0000000000..7cf804a936 --- /dev/null +++ b/test/files/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/test/files/neg/t6931/Macros_1.scala b/test/files/neg/t6931/Macros_1.scala new file mode 100644 index 0000000000..56da075d1f --- /dev/null +++ b/test/files/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"()" + } +}
\ No newline at end of file diff --git a/test/files/neg/macro-invalidsig-params-badargc/Test_2.scala b/test/files/neg/t6931/Test_2.scala index cbd6232073..6a6f645904 100644 --- a/test/files/neg/macro-invalidsig-params-badargc/Test_2.scala +++ b/test/files/neg/t6931/Test_2.scala @@ -1,4 +1,4 @@ object Test extends App { import Macros._ - foo(42) + err"123" }
\ No newline at end of file diff --git a/test/files/neg/t696b.check b/test/files/neg/t696.check index fcdb5440d8..b7bc5cdf98 100644 --- a/test/files/neg/t696b.check +++ b/test/files/neg/t696.check @@ -1,8 +1,8 @@ -t696b.scala:5: error: diverging implicit expansion for type TypeUtil0.Type[Any] +t696.scala:5: error: diverging implicit expansion for type TypeUtil0.Type[Any] starting with method WithType in object TypeUtil0 as[Any](null) ^ -t696b.scala:6: error: diverging implicit expansion for type TypeUtil0.Type[X] +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) ^ diff --git a/test/files/neg/t696b.scala b/test/files/neg/t696.scala index ca76f7ef6c..ca76f7ef6c 100644 --- a/test/files/neg/t696b.scala +++ b/test/files/neg/t696.scala diff --git a/test/files/neg/t6963a.check b/test/files/neg/t6963a.check index 159896fd10..5858e7740a 100644 --- a/test/files/neg/t6963a.check +++ b/test/files/neg/t6963a.check @@ -1,5 +1,7 @@ -t6963a.scala:4: error: method scanRight in trait TraversableLike has changed semantics in version 2.9.0: +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/test/files/neg/t6963a.scala b/test/files/neg/t6963a.scala index b3366b2557..6808e541bb 100644 --- a/test/files/neg/t6963a.scala +++ b/test/files/neg/t6963a.scala @@ -1,5 +1,5 @@ object Test { import scala.collection.mutable._ - + List(1,2,3,4,5).scanRight(0)(_+_) } diff --git a/test/files/neg/t6963b.check b/test/files/neg/t6963b.check deleted file mode 100644 index 7e205a41d0..0000000000 --- a/test/files/neg/t6963b.check +++ /dev/null @@ -1,13 +0,0 @@ -t6963b.scala:2: error: An Array will no longer match as Seq[_]. - def f1(x: Any) = x.isInstanceOf[Seq[_]] - ^ -t6963b.scala:4: error: An Array will no longer match as Seq[_]. - case _: Seq[_] => true - ^ -t6963b.scala:16: error: An Array will no longer match as Seq[_]. - case (Some(_: Seq[_]), Nil, _) => 1 - ^ -t6963b.scala:17: error: An Array will no longer match as Seq[_]. - case (None, List(_: List[_], _), _) => 2 - ^ -four errors found diff --git a/test/files/neg/t6963b.flags b/test/files/neg/t6963b.flags deleted file mode 100644 index 83caa2b147..0000000000 --- a/test/files/neg/t6963b.flags +++ /dev/null @@ -1 +0,0 @@ --Xmigration:2.7 -Xfatal-warnings
\ No newline at end of file diff --git a/test/files/neg/t6963b.scala b/test/files/neg/t6963b.scala deleted file mode 100644 index 3cfa8f0dca..0000000000 --- a/test/files/neg/t6963b.scala +++ /dev/null @@ -1,20 +0,0 @@ -object Test { - def f1(x: Any) = x.isInstanceOf[Seq[_]] - def f2(x: Any) = x match { - case _: Seq[_] => true - case _ => false - } - - def f3(x: Any) = x match { - case _: Array[_] => true - case _ => false - } - - def f4(x: Any) = x.isInstanceOf[Traversable[_]] - - def f5(x1: Any, x2: Any, x3: AnyRef) = (x1, x2, x3) match { - case (Some(_: Seq[_]), Nil, _) => 1 - case (None, List(_: List[_], _), _) => 2 - case _ => 3 - } -} diff --git a/test/files/neg/t696a.check b/test/files/neg/t696a.check deleted file mode 100644 index 490fc1a571..0000000000 --- a/test/files/neg/t696a.check +++ /dev/null @@ -1,5 +0,0 @@ -t696a.scala:4: error: diverging implicit expansion for type TypeUtil0.Type[Any] -starting with method WithType in object TypeUtil0 - as[Any](null); - ^ -one error found diff --git a/test/files/neg/t696a.flags b/test/files/neg/t696a.flags deleted file mode 100644 index e69de29bb2..0000000000 --- a/test/files/neg/t696a.flags +++ /dev/null diff --git a/test/files/neg/t696a.scala b/test/files/neg/t696a.scala deleted file mode 100644 index a06a32141a..0000000000 --- a/test/files/neg/t696a.scala +++ /dev/null @@ -1,6 +0,0 @@ -object TypeUtil0 { - trait Type[+T]; - implicit def WithType[S,T](implicit tpeS : Type[S], tpeT : Type[T]) : Type[S with T] = null - as[Any](null); - def as[T](x : Any)(implicit tpe : Type[T]) = null; -} diff --git a/test/files/neg/t696b.flags b/test/files/neg/t696b.flags deleted file mode 100644 index d564f2b1f8..0000000000 --- a/test/files/neg/t696b.flags +++ /dev/null @@ -1 +0,0 @@ --Xdivergence211
\ No newline at end of file diff --git a/test/files/neg/t6988.check b/test/files/neg/t6988.check new file mode 100644 index 0000000000..acb7b3cb08 --- /dev/null +++ b/test/files/neg/t6988.check @@ -0,0 +1,7 @@ +t6988.scala:3: error: annotation argument needs to be a constant; found: 13.asInstanceOf[Long] +@SerialVersionUID(13.asInstanceOf[Long]) case class IdentifyMessage1(userName: String, user: User, code: Int) + ^ +t6988.scala:8: error: annotation argument needs to be a constant; found: O.SerialUID +@SerialVersionUID(O.SerialUID) case class IdentifyMessage3(userName: String, user: User, code: Int) + ^ +two errors found diff --git a/test/files/neg/t6988.scala b/test/files/neg/t6988.scala new file mode 100644 index 0000000000..8171dc9dd0 --- /dev/null +++ b/test/files/neg/t6988.scala @@ -0,0 +1,10 @@ +case class User() + +@SerialVersionUID(13.asInstanceOf[Long]) case class IdentifyMessage1(userName: String, user: User, code: Int) +@SerialVersionUID(13l) case class IdentifyMessage2(userName: String, user: User, code: Int) +object O { + val SerialUID = "13".toLong +} +@SerialVersionUID(O.SerialUID) case class IdentifyMessage3(userName: String, user: User, code: Int) + + diff --git a/test/files/neg/t7007.check b/test/files/neg/t7007.check new file mode 100644 index 0000000000..e22ecb9e4e --- /dev/null +++ b/test/files/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/test/files/neg/t7007.scala b/test/files/neg/t7007.scala new file mode 100644 index 0000000000..e41dccf550 --- /dev/null +++ b/test/files/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/test/files/neg/t7020.check b/test/files/neg/t7020.check new file mode 100644 index 0000000000..76390b243d --- /dev/null +++ b/test/files/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/test/files/neg/t7020.flags b/test/files/neg/t7020.flags new file mode 100644 index 0000000000..e8fb65d50c --- /dev/null +++ b/test/files/neg/t7020.flags @@ -0,0 +1 @@ +-Xfatal-warnings
\ No newline at end of file diff --git a/test/files/neg/t7020.scala b/test/files/neg/t7020.scala new file mode 100644 index 0000000000..cc5421bab1 --- /dev/null +++ b/test/files/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/test/files/neg/t7110.check b/test/files/neg/t7110.check new file mode 100644 index 0000000000..e484dc4325 --- /dev/null +++ b/test/files/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/test/files/neg/t7110.flags b/test/files/neg/t7110.flags new file mode 100644 index 0000000000..e8fb65d50c --- /dev/null +++ b/test/files/neg/t7110.flags @@ -0,0 +1 @@ +-Xfatal-warnings
\ No newline at end of file diff --git a/test/files/neg/t7110.scala b/test/files/neg/t7110.scala new file mode 100644 index 0000000000..79ac325216 --- /dev/null +++ b/test/files/neg/t7110.scala @@ -0,0 +1,6 @@ +object Test { + try { ??? } // warn + + try { ??? } finally ??? // no warn + try { ??? } catch { case _: Throwable => } // no warn +} diff --git a/test/files/neg/t712.check b/test/files/neg/t712.check index 6819dc0ce9..831e943063 100644 --- a/test/files/neg/t712.check +++ b/test/files/neg/t712.check @@ -1,4 +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/test/files/neg/t715.scala b/test/files/neg/t715.scala index a5ccd567f9..87b2525a63 100644 --- a/test/files/neg/t715.scala +++ b/test/files/neg/t715.scala @@ -1,4 +1,4 @@ -package test; +package test; trait B { type Node <: NodeImpl; trait NodeImpl { diff --git a/test/files/neg/t7157.check b/test/files/neg/t7157.check new file mode 100644 index 0000000000..c6a7af9a23 --- /dev/null +++ b/test/files/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/test/files/neg/t7157/Impls_Macros_1.scala b/test/files/neg/t7157/Impls_Macros_1.scala new file mode 100644 index 0000000000..31d4d786d0 --- /dev/null +++ b/test/files/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 +}
\ No newline at end of file diff --git a/test/files/neg/t7157/Test_2.scala b/test/files/neg/t7157/Test_2.scala new file mode 100644 index 0000000000..45a6026399 --- /dev/null +++ b/test/files/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) +}
\ No newline at end of file diff --git a/test/files/neg/t7166.check b/test/files/neg/t7166.check deleted file mode 100644 index c87198cb27..0000000000 --- a/test/files/neg/t7166.check +++ /dev/null @@ -1,4 +0,0 @@ -Test_2.scala:2: error: silent = true does work! - println(implicitly[Complex[Foo]]) - ^ -one error found diff --git a/test/files/neg/t7166/Impls_Macros_1.scala b/test/files/neg/t7166/Impls_Macros_1.scala deleted file mode 100644 index 62a15657c3..0000000000 --- a/test/files/neg/t7166/Impls_Macros_1.scala +++ /dev/null @@ -1,26 +0,0 @@ -import scala.reflect.macros.Context -import language.experimental.macros - -trait Complex[T] - -class Foo - -object Complex { - def impl[T: c.WeakTypeTag](c: Context): c.Expr[Complex[T]] = { - import c.universe._ - def shout(msg: String) = { - val cannotShutMeUp = c.asInstanceOf[scala.reflect.macros.runtime.Context].universe.currentRun.currentUnit.error _ - cannotShutMeUp(c.enclosingPosition.asInstanceOf[scala.reflect.internal.util.Position], msg) - } - try { - val complexOfT = appliedType(typeOf[Complex[_]], List(weakTypeOf[T])) - val infiniteRecursion = c.inferImplicitValue(complexOfT, silent = true) - shout("silent = true does work!") - } catch { - case ex: Exception => shout(ex.toString) - } - c.literalNull - } - - implicit def genComplex[T]: Complex[T] = macro impl[T] -} diff --git a/test/files/neg/t7166/Test_2.scala b/test/files/neg/t7166/Test_2.scala deleted file mode 100644 index dcc4593335..0000000000 --- a/test/files/neg/t7166/Test_2.scala +++ /dev/null @@ -1,3 +0,0 @@ -object Test extends App { - println(implicitly[Complex[Foo]]) -}
\ No newline at end of file diff --git a/test/files/neg/t7171.check b/test/files/neg/t7171.check index 8bdf08129b..ecd768afda 100644 --- a/test/files/neg/t7171.check +++ b/test/files/neg/t7171.check @@ -1,7 +1,6 @@ -t7171.scala:2: error: The outer reference in this type test cannot be checked at run time. +t7171.scala:2: warning: The outer reference in this type test cannot be checked at run time. final case class A() ^ -t7171.scala:9: error: The outer reference in this type test cannot be checked at run time. - case _: A => true; case _ => false - ^ -two errors found +error: No warnings can be incurred under -Xfatal-warnings. +one warning found +one error found diff --git a/test/files/neg/t7171b.check b/test/files/neg/t7171b.check index bd6b2bcfb4..bf695afea7 100644 --- a/test/files/neg/t7171b.check +++ b/test/files/neg/t7171b.check @@ -1,10 +1,6 @@ -t7171b.scala:2: error: The outer reference in this type test cannot be checked at run time. +t7171b.scala:2: warning: The outer reference in this type test cannot be checked at run time. final case class A() ^ -t7171b.scala:8: error: The outer reference in this type test cannot be checked at run time. - case _: A => true; case _ => false - ^ -t7171b.scala:13: error: The outer reference in this type test cannot be checked at run time. - case _: A => true; case _ => false - ^ -three errors found +error: No warnings can be incurred under -Xfatal-warnings. +one warning found +one error found diff --git a/test/files/neg/t7185.check b/test/files/neg/t7185.check deleted file mode 100644 index 46f2cc797e..0000000000 --- a/test/files/neg/t7185.check +++ /dev/null @@ -1,7 +0,0 @@ -t7185.scala:2: error: overloaded method value apply with alternatives: - (f: scala.xml.Node => Boolean)scala.xml.NodeSeq <and> - (i: Int)scala.xml.Node - cannot be applied to () - <e></e>() - ^ -one error found diff --git a/test/files/neg/t7185.scala b/test/files/neg/t7185.scala deleted file mode 100644 index 2f9284bc5f..0000000000 --- a/test/files/neg/t7185.scala +++ /dev/null @@ -1,3 +0,0 @@ -object Test { - <e></e>() -} diff --git a/test/files/neg/t7214neg.check b/test/files/neg/t7214neg.check new file mode 100644 index 0000000000..291af04578 --- /dev/null +++ b/test/files/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/test/files/neg/t7214neg.scala b/test/files/neg/t7214neg.scala new file mode 100644 index 0000000000..ff1ea8082d --- /dev/null +++ b/test/files/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/test/files/neg/t7239.check b/test/files/neg/t7239.check new file mode 100644 index 0000000000..80b14f8fc6 --- /dev/null +++ b/test/files/neg/t7239.check @@ -0,0 +1,4 @@ +t7239.scala:10: error: not found: value foBar + fooBar = foBar.toInt + ^ +one error found diff --git a/test/files/neg/t7239.scala b/test/files/neg/t7239.scala new file mode 100644 index 0000000000..f62cac0a49 --- /dev/null +++ b/test/files/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/test/files/neg/t7285.check b/test/files/neg/t7285.check index 108f4292a8..a38772bead 100644 --- a/test/files/neg/t7285.check +++ b/test/files/neg/t7285.check @@ -1,13 +1,15 @@ -t7285.scala:15: error: match may not be exhaustive. +t7285.scala:15: warning: match may not be exhaustive. It would fail on the following input: (Up, Down) (d1, d2) match { ^ -t7285.scala:33: error: match may not be exhaustive. +t7285.scala:33: warning: match may not be exhaustive. It would fail on the following input: Down (d1) match { ^ -t7285.scala:51: error: match may not be exhaustive. +t7285.scala:51: warning: match may not be exhaustive. It would fail on the following input: (Up, Down) (d1, d2) match { ^ -three errors found +error: No warnings can be incurred under -Xfatal-warnings. +three warnings found +one error found diff --git a/test/files/neg/t7290.check b/test/files/neg/t7290.check index 85bedbac95..ad2d0e25b0 100644 --- a/test/files/neg/t7290.check +++ b/test/files/neg/t7290.check @@ -1,10 +1,12 @@ -t7290.scala:4: error: Pattern contains duplicate alternatives: 0 +t7290.scala:4: warning: Pattern contains duplicate alternatives: 0 case 0 | 0 => 0 ^ -t7290.scala:5: error: Pattern contains duplicate alternatives: 2, 3 +t7290.scala:5: warning: Pattern contains duplicate alternatives: 2, 3 case 2 | 2 | 2 | 3 | 2 | 3 => 0 ^ -t7290.scala:6: error: Pattern contains duplicate alternatives: 4 +t7290.scala:6: warning: Pattern contains duplicate alternatives: 4 case 4 | (_ @ 4) => 0 ^ -three errors found +error: No warnings can be incurred under -Xfatal-warnings. +three warnings found +one error found diff --git a/test/files/neg/t7292-deprecation.check b/test/files/neg/t7292-deprecation.check new file mode 100644 index 0000000000..17f010dfdf --- /dev/null +++ b/test/files/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/test/files/neg/t7292-deprecation.flags b/test/files/neg/t7292-deprecation.flags new file mode 100644 index 0000000000..7de3c0f3ee --- /dev/null +++ b/test/files/neg/t7292-deprecation.flags @@ -0,0 +1 @@ +-Xfatal-warnings -deprecation diff --git a/test/files/neg/t7292-deprecation.scala b/test/files/neg/t7292-deprecation.scala new file mode 100644 index 0000000000..d857f0e1ec --- /dev/null +++ b/test/files/neg/t7292-deprecation.scala @@ -0,0 +1,5 @@ +object OctalEscapes { + val chr1 = '\0' + val str1 = "abc\123456" + val lf = '\012' +} diff --git a/test/files/neg/t7292-removal.check b/test/files/neg/t7292-removal.check new file mode 100644 index 0000000000..1cd59b0992 --- /dev/null +++ b/test/files/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/test/files/neg/t7292-removal.flags b/test/files/neg/t7292-removal.flags new file mode 100644 index 0000000000..29f4ede37a --- /dev/null +++ b/test/files/neg/t7292-removal.flags @@ -0,0 +1 @@ +-Xfuture diff --git a/test/files/neg/t7292-removal.scala b/test/files/neg/t7292-removal.scala new file mode 100644 index 0000000000..d857f0e1ec --- /dev/null +++ b/test/files/neg/t7292-removal.scala @@ -0,0 +1,5 @@ +object OctalEscapes { + val chr1 = '\0' + val str1 = "abc\123456" + val lf = '\012' +} diff --git a/test/files/neg/t7294.check b/test/files/neg/t7294.check new file mode 100644 index 0000000000..f15289c1c0 --- /dev/null +++ b/test/files/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/test/files/neg/t7294.flags b/test/files/neg/t7294.flags new file mode 100644 index 0000000000..3f3381a45b --- /dev/null +++ b/test/files/neg/t7294.flags @@ -0,0 +1 @@ +-Xfuture -Xfatal-warnings diff --git a/test/files/neg/t7294.scala b/test/files/neg/t7294.scala new file mode 100644 index 0000000000..335d071124 --- /dev/null +++ b/test/files/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/test/files/neg/t7294b.check b/test/files/neg/t7294b.check new file mode 100644 index 0000000000..0033b72125 --- /dev/null +++ b/test/files/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/test/files/neg/t7294b.flags b/test/files/neg/t7294b.flags new file mode 100644 index 0000000000..d1b831ea87 --- /dev/null +++ b/test/files/neg/t7294b.flags @@ -0,0 +1 @@ +-deprecation -Xfatal-warnings
\ No newline at end of file diff --git a/test/files/neg/t7294b.scala b/test/files/neg/t7294b.scala new file mode 100644 index 0000000000..2ab86a8058 --- /dev/null +++ b/test/files/neg/t7294b.scala @@ -0,0 +1 @@ +class C extends Tuple2[Int, Int](0, 0)
\ No newline at end of file diff --git a/test/files/neg/t7324.check b/test/files/neg/t7324.check new file mode 100644 index 0000000000..586947d5e7 --- /dev/null +++ b/test/files/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/test/files/neg/t7324.scala b/test/files/neg/t7324.scala new file mode 100644 index 0000000000..81d7674d68 --- /dev/null +++ b/test/files/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/test/files/neg/t7325.check b/test/files/neg/t7325.check index 709ab6db3e..61c33f99b1 100644 --- a/test/files/neg/t7325.check +++ b/test/files/neg/t7325.check @@ -1,19 +1,19 @@ -t7325.scala:2: error: percent signs not directly following splicees must be escaped +t7325.scala:2: error: Missing conversion operator in '%'; use %% for literal %, %n for newline println(f"%") ^ -t7325.scala:4: error: percent signs not directly following splicees must be escaped +t7325.scala:4: error: Missing conversion operator in '%'; use %% for literal %, %n for newline println(f"%%%") ^ -t7325.scala:6: error: percent signs not directly following splicees must be escaped +t7325.scala:6: error: Missing conversion operator in '%'; use %% for literal %, %n for newline println(f"%%%%%") ^ -t7325.scala:16: error: wrong conversion string +t7325.scala:16: error: Missing conversion operator in '%'; use %% for literal %, %n for newline println(f"${0}%") ^ -t7325.scala:19: error: percent signs not directly following splicees must be escaped +t7325.scala:19: error: conversions must follow a splice; use %% for literal %, %n for newline println(f"${0}%%%d") ^ -t7325.scala:21: error: percent signs not directly following splicees must be escaped +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/test/files/neg/t7369.check b/test/files/neg/t7369.check index 4f101e145a..a4e99f496e 100644 --- a/test/files/neg/t7369.check +++ b/test/files/neg/t7369.check @@ -1,13 +1,15 @@ -t7369.scala:6: error: unreachable code +t7369.scala:6: warning: unreachable code case Tuple1(X) => // unreachable ^ -t7369.scala:13: error: unreachable code +t7369.scala:13: warning: unreachable code case Tuple1(true) => // unreachable ^ -t7369.scala:31: error: unreachable code +t7369.scala:31: warning: unreachable code case Tuple1(X) => // unreachable ^ -t7369.scala:40: error: unreachable code +t7369.scala:40: warning: unreachable code case Tuple1(null) => // unreachable ^ -four errors found +error: No warnings can be incurred under -Xfatal-warnings. +four warnings found +one error found diff --git a/test/files/neg/t7475c.check b/test/files/neg/t7475c.check new file mode 100644 index 0000000000..472808131a --- /dev/null +++ b/test/files/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/test/files/neg/t7475c.scala b/test/files/neg/t7475c.scala new file mode 100644 index 0000000000..cd4a8762ca --- /dev/null +++ b/test/files/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/test/files/neg/t7475d.check b/test/files/neg/t7475d.check new file mode 100644 index 0000000000..6bd1da0d44 --- /dev/null +++ b/test/files/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/test/files/neg/t7475e.check b/test/files/neg/t7475e.check new file mode 100644 index 0000000000..48af2be51a --- /dev/null +++ b/test/files/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/test/files/neg/t7475e.scala b/test/files/neg/t7475e.scala new file mode 100644 index 0000000000..e5c4877d6e --- /dev/null +++ b/test/files/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/test/files/neg/t7475f.check b/test/files/neg/t7475f.check new file mode 100644 index 0000000000..a07a4480e2 --- /dev/null +++ b/test/files/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/test/files/neg/t7475f.scala b/test/files/neg/t7475f.scala new file mode 100644 index 0000000000..6c5feadf19 --- /dev/null +++ b/test/files/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]) { + other.d1 + other.d2 // not a member + } +} diff --git a/test/files/neg/t7494-after-terminal.check b/test/files/neg/t7494-after-terminal.check new file mode 100644 index 0000000000..096efe09cd --- /dev/null +++ b/test/files/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/test/files/neg/t7494-after-terminal/ThePlugin.scala b/test/files/neg/t7494-after-terminal/ThePlugin.scala new file mode 100644 index 0000000000..f3c913086e --- /dev/null +++ b/test/files/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 {} + } +} + diff --git a/test/files/neg/t7494-after-terminal/sample_2.flags b/test/files/neg/t7494-after-terminal/sample_2.flags new file mode 100644 index 0000000000..b8a476e361 --- /dev/null +++ b/test/files/neg/t7494-after-terminal/sample_2.flags @@ -0,0 +1 @@ +-Xplugin:. -Xplugin-require:afterterminal diff --git a/test/files/neg/t7494-after-terminal/sample_2.scala b/test/files/neg/t7494-after-terminal/sample_2.scala new file mode 100644 index 0000000000..73cdc64e40 --- /dev/null +++ b/test/files/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/test/files/neg/t7494-after-terminal/scalac-plugin.xml b/test/files/neg/t7494-after-terminal/scalac-plugin.xml new file mode 100644 index 0000000000..2558d6fd03 --- /dev/null +++ b/test/files/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/test/files/neg/t7494-before-parser.check b/test/files/neg/t7494-before-parser.check new file mode 100644 index 0000000000..9a407923b1 --- /dev/null +++ b/test/files/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/test/files/neg/t7494-before-parser/ThePlugin.scala b/test/files/neg/t7494-before-parser/ThePlugin.scala new file mode 100644 index 0000000000..8714a55dc4 --- /dev/null +++ b/test/files/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 {} + } +} + diff --git a/test/files/neg/t7494-before-parser/sample_2.flags b/test/files/neg/t7494-before-parser/sample_2.flags new file mode 100644 index 0000000000..0c92fc8a06 --- /dev/null +++ b/test/files/neg/t7494-before-parser/sample_2.flags @@ -0,0 +1 @@ +-Xplugin:. -Xplugin-require:beforeparser diff --git a/test/files/neg/t7494-before-parser/sample_2.scala b/test/files/neg/t7494-before-parser/sample_2.scala new file mode 100644 index 0000000000..73cdc64e40 --- /dev/null +++ b/test/files/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/test/files/neg/t7494-before-parser/scalac-plugin.xml b/test/files/neg/t7494-before-parser/scalac-plugin.xml new file mode 100644 index 0000000000..90ff27dc2a --- /dev/null +++ b/test/files/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/test/files/neg/t7494-multi-right-after.check b/test/files/neg/t7494-multi-right-after.check new file mode 100644 index 0000000000..151d177414 --- /dev/null +++ b/test/files/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/test/files/neg/t7494-multi-right-after/ThePlugin.scala b/test/files/neg/t7494-multi-right-after/ThePlugin.scala new file mode 100644 index 0000000000..4c761517c1 --- /dev/null +++ b/test/files/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 {} + } +} + diff --git a/test/files/neg/t7494-multi-right-after/sample_2.flags b/test/files/neg/t7494-multi-right-after/sample_2.flags new file mode 100644 index 0000000000..9273fb98d7 --- /dev/null +++ b/test/files/neg/t7494-multi-right-after/sample_2.flags @@ -0,0 +1 @@ +-Xplugin:. -Xplugin-require:multi-rafter diff --git a/test/files/neg/t7494-multi-right-after/sample_2.scala b/test/files/neg/t7494-multi-right-after/sample_2.scala new file mode 100644 index 0000000000..73cdc64e40 --- /dev/null +++ b/test/files/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/test/files/neg/t7494-multi-right-after/scalac-plugin.xml b/test/files/neg/t7494-multi-right-after/scalac-plugin.xml new file mode 100644 index 0000000000..2558d6fd03 --- /dev/null +++ b/test/files/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/test/files/neg/t7494-no-options.check b/test/files/neg/t7494-no-options.check new file mode 100644 index 0000000000..e3316f590a --- /dev/null +++ b/test/files/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/test/files/neg/t7494-no-options/ploogin_1.scala b/test/files/neg/t7494-no-options/ploogin_1.scala new file mode 100644 index 0000000000..ed6adfc1cf --- /dev/null +++ b/test/files/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) { + // kewl kode + } + } + } +} diff --git a/test/files/neg/t7494-no-options/sample_2.flags b/test/files/neg/t7494-no-options/sample_2.flags new file mode 100644 index 0000000000..7f0f7afe48 --- /dev/null +++ b/test/files/neg/t7494-no-options/sample_2.flags @@ -0,0 +1 @@ +-Xplugin:. -Xshow-phases -P:ploogin:inploog diff --git a/test/files/neg/t7494-no-options/sample_2.scala b/test/files/neg/t7494-no-options/sample_2.scala new file mode 100644 index 0000000000..73cdc64e40 --- /dev/null +++ b/test/files/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/test/files/neg/t7494-no-options/scalac-plugin.xml b/test/files/neg/t7494-no-options/scalac-plugin.xml new file mode 100644 index 0000000000..e849bb5919 --- /dev/null +++ b/test/files/neg/t7494-no-options/scalac-plugin.xml @@ -0,0 +1,4 @@ +<plugin> +<name>sample-plugin</name> +<classname>t6446.Ploogin</classname> +</plugin> diff --git a/test/files/neg/t7494-right-after-before.check b/test/files/neg/t7494-right-after-before.check new file mode 100644 index 0000000000..7e83daab4a --- /dev/null +++ b/test/files/neg/t7494-right-after-before.check @@ -0,0 +1 @@ +error: Phase erasure can't follow explicitouter, created phase-order.dot diff --git a/test/files/neg/t7494-right-after-before/ThePlugin.scala b/test/files/neg/t7494-right-after-before/ThePlugin.scala new file mode 100644 index 0000000000..c42a914066 --- /dev/null +++ b/test/files/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 {} + } +} + diff --git a/test/files/neg/t7494-right-after-before/sample_2.flags b/test/files/neg/t7494-right-after-before/sample_2.flags new file mode 100644 index 0000000000..97d0f5b5f6 --- /dev/null +++ b/test/files/neg/t7494-right-after-before/sample_2.flags @@ -0,0 +1 @@ +-Xplugin:. -Xplugin-require:rafter-before-1 diff --git a/test/files/neg/t7494-right-after-before/sample_2.scala b/test/files/neg/t7494-right-after-before/sample_2.scala new file mode 100644 index 0000000000..73cdc64e40 --- /dev/null +++ b/test/files/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/test/files/neg/t7494-right-after-before/scalac-plugin.xml b/test/files/neg/t7494-right-after-before/scalac-plugin.xml new file mode 100644 index 0000000000..2558d6fd03 --- /dev/null +++ b/test/files/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/test/files/neg/t7494-right-after-terminal.check b/test/files/neg/t7494-right-after-terminal.check new file mode 100644 index 0000000000..6fe4f63c82 --- /dev/null +++ b/test/files/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/test/files/neg/t7494-right-after-terminal/ThePlugin.scala b/test/files/neg/t7494-right-after-terminal/ThePlugin.scala new file mode 100644 index 0000000000..47dd06ec8a --- /dev/null +++ b/test/files/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 {} + } +} + diff --git a/test/files/neg/t7494-right-after-terminal/sample_2.flags b/test/files/neg/t7494-right-after-terminal/sample_2.flags new file mode 100644 index 0000000000..da046ba5f1 --- /dev/null +++ b/test/files/neg/t7494-right-after-terminal/sample_2.flags @@ -0,0 +1 @@ +-Xplugin:. -Xplugin-require:rightafterterminal diff --git a/test/files/neg/t7494-right-after-terminal/sample_2.scala b/test/files/neg/t7494-right-after-terminal/sample_2.scala new file mode 100644 index 0000000000..73cdc64e40 --- /dev/null +++ b/test/files/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/test/files/neg/t7494-right-after-terminal/scalac-plugin.xml b/test/files/neg/t7494-right-after-terminal/scalac-plugin.xml new file mode 100644 index 0000000000..2558d6fd03 --- /dev/null +++ b/test/files/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/test/files/neg/t7501.check b/test/files/neg/t7501.check new file mode 100644 index 0000000000..2ded07c7ed --- /dev/null +++ b/test/files/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/test/files/neg/t7501/t7501_1.scala b/test/files/neg/t7501/t7501_1.scala new file mode 100644 index 0000000000..323c327623 --- /dev/null +++ b/test/files/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/test/files/neg/t7501/t7501_2.scala b/test/files/neg/t7501/t7501_2.scala new file mode 100644 index 0000000000..044caea3c3 --- /dev/null +++ b/test/files/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/test/files/neg/t7507.check b/test/files/neg/t7507.check index d402869fd4..de30fc7057 100644 --- a/test/files/neg/t7507.check +++ b/test/files/neg/t7507.check @@ -1,4 +1,4 @@ -t7507.scala:6: error: value bippy in trait Cake cannot be accessed in Cake +t7507.scala:6: error: not found: value bippy locally(bippy) ^ one error found diff --git a/test/files/neg/t7519-b.check b/test/files/neg/t7519-b.check index ad554b8633..bc8500b2b8 100644 --- a/test/files/neg/t7519-b.check +++ b/test/files/neg/t7519-b.check @@ -1,4 +1,6 @@ -Use_2.scala:6: error: No implicit view available from String => K. +Use_2.scala:8: error: type mismatch; + found : String + required: Q val x: Q = ex.Mac.mac("asdf") ^ one error found diff --git a/test/files/neg/t7519-b/Use_2.scala b/test/files/neg/t7519-b/Use_2.scala index 413e40e25e..0d63eeed5b 100644 --- a/test/files/neg/t7519-b/Use_2.scala +++ b/test/files/neg/t7519-b/Use_2.scala @@ -1,3 +1,5 @@ +import scala.language.implicitConversions + trait Q trait K diff --git a/test/files/neg/t7519.check b/test/files/neg/t7519.check index 164d67f595..df54abaa3e 100644 --- a/test/files/neg/t7519.check +++ b/test/files/neg/t7519.check @@ -1,7 +1,11 @@ -t7519.scala:5: error: could not find implicit value for parameter nada: Nothing +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: could not find implicit value for parameter nada: Nothing +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/test/files/neg/t7605-deprecation.check b/test/files/neg/t7605-deprecation.check new file mode 100644 index 0000000000..6db94613a1 --- /dev/null +++ b/test/files/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/test/files/neg/t7605-deprecation.flags b/test/files/neg/t7605-deprecation.flags new file mode 100644 index 0000000000..0a7cb7d202 --- /dev/null +++ b/test/files/neg/t7605-deprecation.flags @@ -0,0 +1 @@ +-deprecation -Xfuture -Xfatal-warnings diff --git a/test/files/neg/t7605-deprecation.scala b/test/files/neg/t7605-deprecation.scala new file mode 100644 index 0000000000..2b3362f94a --- /dev/null +++ b/test/files/neg/t7605-deprecation.scala @@ -0,0 +1,8 @@ +abstract class Foo { + def bar {} + def baz + def boo(i: Int, l: Long) + def boz(i: Int, l: Long) {} + def this(i: Int) { this() } // Don't complain here! + def foz: Unit // Don't complain here! +} diff --git a/test/files/neg/t7622-cyclic-dependency.check b/test/files/neg/t7622-cyclic-dependency.check new file mode 100644 index 0000000000..3546964f5f --- /dev/null +++ b/test/files/neg/t7622-cyclic-dependency.check @@ -0,0 +1 @@ +error: Cycle in phase dependencies detected at cyclicdependency1, created phase-cycle.dot diff --git a/test/files/neg/t7622-cyclic-dependency/ThePlugin.scala b/test/files/neg/t7622-cyclic-dependency/ThePlugin.scala new file mode 100644 index 0000000000..35c0ff8f53 --- /dev/null +++ b/test/files/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 {} + } +} + diff --git a/test/files/neg/t7622-cyclic-dependency/sample_2.flags b/test/files/neg/t7622-cyclic-dependency/sample_2.flags new file mode 100644 index 0000000000..db25b88a12 --- /dev/null +++ b/test/files/neg/t7622-cyclic-dependency/sample_2.flags @@ -0,0 +1 @@ +-Xplugin:. -Xplugin-require:cyclicdependency diff --git a/test/files/neg/t7622-cyclic-dependency/sample_2.scala b/test/files/neg/t7622-cyclic-dependency/sample_2.scala new file mode 100644 index 0000000000..73cdc64e40 --- /dev/null +++ b/test/files/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/test/files/neg/t7622-cyclic-dependency/scalac-plugin.xml b/test/files/neg/t7622-cyclic-dependency/scalac-plugin.xml new file mode 100644 index 0000000000..2558d6fd03 --- /dev/null +++ b/test/files/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/test/files/neg/t7622-missing-dependency.check b/test/files/neg/t7622-missing-dependency.check new file mode 100644 index 0000000000..a0d0e30870 --- /dev/null +++ b/test/files/neg/t7622-missing-dependency.check @@ -0,0 +1,2 @@ +error: Phase 'myplugin' requires: List(missing) +one error found diff --git a/test/files/neg/t7622-missing-dependency/ThePlugin.scala b/test/files/neg/t7622-missing-dependency/ThePlugin.scala new file mode 100644 index 0000000000..fa634a64c1 --- /dev/null +++ b/test/files/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 {} + } +} + diff --git a/test/files/neg/t7622-missing-dependency/sample_2.flags b/test/files/neg/t7622-missing-dependency/sample_2.flags new file mode 100644 index 0000000000..d69035100e --- /dev/null +++ b/test/files/neg/t7622-missing-dependency/sample_2.flags @@ -0,0 +1 @@ +-Xplugin:. -Xplugin-require:myplugin diff --git a/test/files/neg/t7622-missing-dependency/sample_2.scala b/test/files/neg/t7622-missing-dependency/sample_2.scala new file mode 100644 index 0000000000..73cdc64e40 --- /dev/null +++ b/test/files/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/test/files/neg/t7622-missing-dependency/scalac-plugin.xml b/test/files/neg/t7622-missing-dependency/scalac-plugin.xml new file mode 100644 index 0000000000..3c14061dce --- /dev/null +++ b/test/files/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/test/files/neg/t7622-missing-required.check b/test/files/neg/t7622-missing-required.check new file mode 100644 index 0000000000..5982178581 --- /dev/null +++ b/test/files/neg/t7622-missing-required.check @@ -0,0 +1,2 @@ +error: Missing required plugin: special-plugin +one error found diff --git a/test/files/neg/t7622-missing-required.flags b/test/files/neg/t7622-missing-required.flags new file mode 100644 index 0000000000..65deac6feb --- /dev/null +++ b/test/files/neg/t7622-missing-required.flags @@ -0,0 +1 @@ +-Xplugin-require:special-plugin diff --git a/test/files/neg/t7622-missing-required.scala b/test/files/neg/t7622-missing-required.scala new file mode 100644 index 0000000000..a0ba487b24 --- /dev/null +++ b/test/files/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/test/files/neg/t7622-multi-followers.check b/test/files/neg/t7622-multi-followers.check new file mode 100644 index 0000000000..d123853a5b --- /dev/null +++ b/test/files/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/test/files/neg/t7622-multi-followers/ThePlugin.scala b/test/files/neg/t7622-multi-followers/ThePlugin.scala new file mode 100644 index 0000000000..cbd28d0c23 --- /dev/null +++ b/test/files/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 {} + } +} + diff --git a/test/files/neg/t7622-multi-followers/sample_2.flags b/test/files/neg/t7622-multi-followers/sample_2.flags new file mode 100644 index 0000000000..d2e83e9723 --- /dev/null +++ b/test/files/neg/t7622-multi-followers/sample_2.flags @@ -0,0 +1 @@ +-Xplugin:. -Xplugin-require:multi diff --git a/test/files/neg/t7622-multi-followers/sample_2.scala b/test/files/neg/t7622-multi-followers/sample_2.scala new file mode 100644 index 0000000000..73cdc64e40 --- /dev/null +++ b/test/files/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/test/files/neg/t7622-multi-followers/scalac-plugin.xml b/test/files/neg/t7622-multi-followers/scalac-plugin.xml new file mode 100644 index 0000000000..2558d6fd03 --- /dev/null +++ b/test/files/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/test/files/neg/t7629-view-bounds-deprecation.check b/test/files/neg/t7629-view-bounds-deprecation.check new file mode 100644 index 0000000000..ed77c15c54 --- /dev/null +++ b/test/files/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/test/files/neg/t7629-view-bounds-deprecation.flags b/test/files/neg/t7629-view-bounds-deprecation.flags new file mode 100644 index 0000000000..43a25d4ccc --- /dev/null +++ b/test/files/neg/t7629-view-bounds-deprecation.flags @@ -0,0 +1 @@ +-deprecation -Xfatal-warnings -Xfuture diff --git a/test/files/neg/t7629-view-bounds-deprecation.scala b/test/files/neg/t7629-view-bounds-deprecation.scala new file mode 100644 index 0000000000..a6ede1fcc3 --- /dev/null +++ b/test/files/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/test/files/neg/t7669.check b/test/files/neg/t7669.check new file mode 100644 index 0000000000..c090ed18ce --- /dev/null +++ b/test/files/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/test/files/neg/t7669.flags b/test/files/neg/t7669.flags new file mode 100644 index 0000000000..85d8eb2ba2 --- /dev/null +++ b/test/files/neg/t7669.flags @@ -0,0 +1 @@ +-Xfatal-warnings diff --git a/test/files/neg/t7669.scala b/test/files/neg/t7669.scala new file mode 100644 index 0000000000..12441ec056 --- /dev/null +++ b/test/files/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/test/files/neg/t7694b.check b/test/files/neg/t7694b.check deleted file mode 100644 index ea3d7736f8..0000000000 --- a/test/files/neg/t7694b.check +++ /dev/null @@ -1,7 +0,0 @@ -t7694b.scala:8: error: type arguments [_3,_4] do not conform to trait L's type parameter bounds [A2,B2 <: A2] - def d = if (true) (null: L[A, A]) else (null: L[B, B]) - ^ -t7694b.scala:9: error: type arguments [_1,_2] do not conform to trait L's type parameter bounds [A2,B2 <: A2] - val v = if (true) (null: L[A, A]) else (null: L[B, B]) - ^ -two errors found diff --git a/test/files/neg/t7715.check b/test/files/neg/t7715.check new file mode 100644 index 0000000000..4ee6b6c95d --- /dev/null +++ b/test/files/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/test/files/neg/t7715.scala b/test/files/neg/t7715.scala new file mode 100644 index 0000000000..637ab8df6d --- /dev/null +++ b/test/files/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/test/files/neg/t7721.check b/test/files/neg/t7721.check new file mode 100644 index 0000000000..ade1ca3b20 --- /dev/null +++ b/test/files/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/test/files/neg/t7721.flags b/test/files/neg/t7721.flags new file mode 100644 index 0000000000..e8fb65d50c --- /dev/null +++ b/test/files/neg/t7721.flags @@ -0,0 +1 @@ +-Xfatal-warnings
\ No newline at end of file diff --git a/test/files/neg/t7721.scala b/test/files/neg/t7721.scala new file mode 100644 index 0000000000..27884c9e35 --- /dev/null +++ b/test/files/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() { + 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) { + try println(body) + catch { case ex: NoSuchMethodException => println(ex) } + } + + def main(args: Array[String]) { + ao.run() + bo.run() + } +} + +// java.lang.NoSuchMethodException: Test$$anon$1.bippy()
\ No newline at end of file diff --git a/test/files/neg/t7756a.check b/test/files/neg/t7756a.check new file mode 100644 index 0000000000..8d42717e47 --- /dev/null +++ b/test/files/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/test/files/neg/t7756a.scala b/test/files/neg/t7756a.scala new file mode 100644 index 0000000000..4453e84963 --- /dev/null +++ b/test/files/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/test/files/neg/t7756b.check b/test/files/neg/t7756b.check new file mode 100644 index 0000000000..2817a7e230 --- /dev/null +++ b/test/files/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/test/files/neg/t7756b.flags b/test/files/neg/t7756b.flags new file mode 100644 index 0000000000..85d8eb2ba2 --- /dev/null +++ b/test/files/neg/t7756b.flags @@ -0,0 +1 @@ +-Xfatal-warnings diff --git a/test/files/neg/t7756b.scala b/test/files/neg/t7756b.scala new file mode 100644 index 0000000000..a2de29c8e7 --- /dev/null +++ b/test/files/neg/t7756b.scala @@ -0,0 +1,5 @@ +object Test { + 0 match { + case _ => 0 == "" + } +} diff --git a/test/files/neg/t7757a.check b/test/files/neg/t7757a.check new file mode 100644 index 0000000000..de24e23004 --- /dev/null +++ b/test/files/neg/t7757a.check @@ -0,0 +1,4 @@ +t7757a.scala:1: error: ';' expected but '@' found. +trait Foo @annot + ^ +one error found diff --git a/test/files/neg/t7757a.scala b/test/files/neg/t7757a.scala new file mode 100644 index 0000000000..24f6c16cb4 --- /dev/null +++ b/test/files/neg/t7757a.scala @@ -0,0 +1 @@ +trait Foo @annot
\ No newline at end of file diff --git a/test/files/neg/t7757b.check b/test/files/neg/t7757b.check new file mode 100644 index 0000000000..3e5a0f1fa6 --- /dev/null +++ b/test/files/neg/t7757b.check @@ -0,0 +1,4 @@ +t7757b.scala:2: error: expected start of definition +@annot2 + ^ +one error found diff --git a/test/files/neg/t7757b.scala b/test/files/neg/t7757b.scala new file mode 100644 index 0000000000..e9a537dba1 --- /dev/null +++ b/test/files/neg/t7757b.scala @@ -0,0 +1,2 @@ +trait Foo2 +@annot2
\ No newline at end of file diff --git a/test/files/neg/t7783.check b/test/files/neg/t7783.check index f489b3c8fd..647cfee121 100644 --- a/test/files/neg/t7783.check +++ b/test/files/neg/t7783.check @@ -1,16 +1,18 @@ -t7783.scala:1: error: type D in object O is deprecated: +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: error: type D in object O is deprecated: +t7783.scala:11: warning: type D in object O is deprecated: type T = O.D ^ -t7783.scala:12: error: type D in object O is deprecated: +t7783.scala:12: warning: type D in object O is deprecated: locally(null: O.D) ^ -t7783.scala:13: error: type D in object O is deprecated: +t7783.scala:13: warning: type D in object O is deprecated: val x: O.D = null ^ -t7783.scala:14: error: type D in object O is deprecated: +t7783.scala:14: warning: type D in object O is deprecated: locally(null.asInstanceOf[O.D]) ^ -5 errors found +error: No warnings can be incurred under -Xfatal-warnings. +5 warnings found +one error found diff --git a/test/files/neg/t783.scala b/test/files/neg/t783.scala index 5d20bc6d24..59f7c7f97d 100644 --- a/test/files/neg/t783.scala +++ b/test/files/neg/t783.scala @@ -18,7 +18,7 @@ object Main extends App { def globalInit : Global; final def globalInit0 = globalInit.asInstanceOf[global.type]; } - + object global0 extends Global { object analyzer extends Analyzer { type Global = global0.type; diff --git a/test/files/neg/t7834neg.check b/test/files/neg/t7834neg.check new file mode 100644 index 0000000000..569df4b8ce --- /dev/null +++ b/test/files/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/test/files/neg/t7834neg.scala b/test/files/neg/t7834neg.scala new file mode 100644 index 0000000000..d35a84eadd --- /dev/null +++ b/test/files/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/test/files/neg/t7848-interp-warn.check b/test/files/neg/t7848-interp-warn.check new file mode 100644 index 0000000000..b7df6d8ce2 --- /dev/null +++ b/test/files/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/test/files/neg/t7848-interp-warn.flags b/test/files/neg/t7848-interp-warn.flags new file mode 100644 index 0000000000..7949c2afa2 --- /dev/null +++ b/test/files/neg/t7848-interp-warn.flags @@ -0,0 +1 @@ +-Xlint -Xfatal-warnings diff --git a/test/files/neg/t7848-interp-warn.scala b/test/files/neg/t7848-interp-warn.scala new file mode 100644 index 0000000000..3887aff8de --- /dev/null +++ b/test/files/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/test/files/neg/t7850.check b/test/files/neg/t7850.check new file mode 100644 index 0000000000..317be2bbce --- /dev/null +++ b/test/files/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/test/files/neg/t7850.scala b/test/files/neg/t7850.scala new file mode 100644 index 0000000000..04edad82b5 --- /dev/null +++ b/test/files/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]) { + val Casey(x1) = new Casey(1) + val Dingy(x2) = new Dingy(1) + println(s"$x1 $x2") + } +} + diff --git a/test/files/neg/t7859.check b/test/files/neg/t7859.check new file mode 100644 index 0000000000..5789e2a122 --- /dev/null +++ b/test/files/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/test/files/neg/t7859/A_1.scala b/test/files/neg/t7859/A_1.scala new file mode 100644 index 0000000000..e5b32d1c96 --- /dev/null +++ b/test/files/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/test/files/neg/t7859/B_2.scala b/test/files/neg/t7859/B_2.scala new file mode 100644 index 0000000000..2e0556bc7b --- /dev/null +++ b/test/files/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/test/files/neg/t7870.check b/test/files/neg/t7870.check new file mode 100644 index 0000000000..d9db911ac1 --- /dev/null +++ b/test/files/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/test/files/neg/t7870.scala b/test/files/neg/t7870.scala new file mode 100644 index 0000000000..5d48d43b3a --- /dev/null +++ b/test/files/neg/t7870.scala @@ -0,0 +1,3 @@ +class C(a: Int = 0, b: Any) { + def this(a: Int = 0) = this(???, ???) +} diff --git a/test/files/neg/t7872.check b/test/files/neg/t7872.check new file mode 100644 index 0000000000..57d9772abc --- /dev/null +++ b/test/files/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/test/files/neg/t7872.scala b/test/files/neg/t7872.scala new file mode 100644 index 0000000000..66d22a0715 --- /dev/null +++ b/test/files/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/test/files/neg/t7872b.check b/test/files/neg/t7872b.check new file mode 100644 index 0000000000..0dc4e76301 --- /dev/null +++ b/test/files/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/test/files/neg/t7872b.scala b/test/files/neg/t7872b.scala new file mode 100644 index 0000000000..307a1470c5 --- /dev/null +++ b/test/files/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/test/files/neg/t7872c.check b/test/files/neg/t7872c.check new file mode 100644 index 0000000000..469449dbd5 --- /dev/null +++ b/test/files/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/test/files/neg/t7872c.scala b/test/files/neg/t7872c.scala new file mode 100644 index 0000000000..fa12a523b5 --- /dev/null +++ b/test/files/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/test/files/neg/t7877.check b/test/files/neg/t7877.check new file mode 100644 index 0000000000..7f7f832463 --- /dev/null +++ b/test/files/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/test/files/neg/t7877.scala b/test/files/neg/t7877.scala new file mode 100644 index 0000000000..52e167f3b8 --- /dev/null +++ b/test/files/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/test/files/neg/t7895.check b/test/files/neg/t7895.check new file mode 100644 index 0000000000..1a58e24b77 --- /dev/null +++ b/test/files/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/test/files/neg/t7895.scala b/test/files/neg/t7895.scala new file mode 100644 index 0000000000..87a586a82d --- /dev/null +++ b/test/files/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/test/files/neg/t7895b.check b/test/files/neg/t7895b.check new file mode 100644 index 0000000000..87ea72704e --- /dev/null +++ b/test/files/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/test/files/neg/t7895b.scala b/test/files/neg/t7895b.scala new file mode 100644 index 0000000000..1603027446 --- /dev/null +++ b/test/files/neg/t7895b.scala @@ -0,0 +1,5 @@ +object Test { + def foo(a: Any*) = () + + foo(a, b) +} diff --git a/test/files/neg/t7895c.check b/test/files/neg/t7895c.check new file mode 100644 index 0000000000..d4745b1f4b --- /dev/null +++ b/test/files/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/test/files/neg/t7895c.scala b/test/files/neg/t7895c.scala new file mode 100644 index 0000000000..53d2a8672e --- /dev/null +++ b/test/files/neg/t7895c.scala @@ -0,0 +1,3 @@ +class A { + def booboo = bong + booble + bippity - bazingo +} diff --git a/test/files/neg/t7897.check b/test/files/neg/t7897.check new file mode 100644 index 0000000000..48eff511c7 --- /dev/null +++ b/test/files/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 ${x.length} chars") + ^ +one error found diff --git a/test/files/neg/t7897.scala b/test/files/neg/t7897.scala new file mode 100644 index 0000000000..87c966b1e0 --- /dev/null +++ b/test/files/neg/t7897.scala @@ -0,0 +1,23 @@ +package p0 { + class Single(val x: Any) extends AnyRef with Product1[String] { + private def s = "" + x + override def canEqual(x: Any) = this eq x.asInstanceOf[AnyRef] + def isEmpty = false + def get = this + def _1 = s + " only" + + override def toString = s"Single(${_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/test/files/neg/t7899.check b/test/files/neg/t7899.check new file mode 100644 index 0000000000..febfe76b8a --- /dev/null +++ b/test/files/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/test/files/neg/t7899.scala b/test/files/neg/t7899.scala new file mode 100644 index 0000000000..f2dea3ab1f --- /dev/null +++ b/test/files/neg/t7899.scala @@ -0,0 +1,7 @@ +object Test { + def foo[B](f: (=> Int) => B): () => B = () => f(0) + + def main(args: Array[String]) { + foo(identity)() + } +} diff --git a/test/files/neg/t7967.check b/test/files/neg/t7967.check new file mode 100644 index 0000000000..cde950dcdf --- /dev/null +++ b/test/files/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/test/files/neg/t7967.scala b/test/files/neg/t7967.scala new file mode 100644 index 0000000000..4f13347948 --- /dev/null +++ b/test/files/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/test/files/neg/t798.scala b/test/files/neg/t798.scala index b4a1939444..a2bf66d19b 100644 --- a/test/files/neg/t798.scala +++ b/test/files/neg/t798.scala @@ -4,5 +4,5 @@ trait Test[Bracks <: Bracks] { class C[T] val bracks : Bracks; val singletons = f(bracks); - + } diff --git a/test/files/neg/t7980.check b/test/files/neg/t7980.check new file mode 100644 index 0000000000..031c23dbeb --- /dev/null +++ b/test/files/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/test/files/neg/t7980.scala b/test/files/neg/t7980.scala new file mode 100644 index 0000000000..b21907de54 --- /dev/null +++ b/test/files/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/test/files/neg/t7984.check b/test/files/neg/t7984.check new file mode 100644 index 0000000000..0cfd7d1619 --- /dev/null +++ b/test/files/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/test/files/neg/t7984.flags b/test/files/neg/t7984.flags new file mode 100644 index 0000000000..e8fb65d50c --- /dev/null +++ b/test/files/neg/t7984.flags @@ -0,0 +1 @@ +-Xfatal-warnings
\ No newline at end of file diff --git a/test/files/neg/t7984.scala b/test/files/neg/t7984.scala new file mode 100644 index 0000000000..ca09a89fc7 --- /dev/null +++ b/test/files/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/test/files/neg/t8006.check b/test/files/neg/t8006.check new file mode 100644 index 0000000000..fbac26e3ad --- /dev/null +++ b/test/files/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/test/files/neg/t8006.scala b/test/files/neg/t8006.scala new file mode 100644 index 0000000000..b2f71c1587 --- /dev/null +++ b/test/files/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 +}
\ No newline at end of file diff --git a/test/files/neg/t8015-ffa.check b/test/files/neg/t8015-ffa.check new file mode 100644 index 0000000000..0f28be7fe7 --- /dev/null +++ b/test/files/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/test/files/neg/t8015-ffa.scala b/test/files/neg/t8015-ffa.scala new file mode 100644 index 0000000000..60876d9139 --- /dev/null +++ b/test/files/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/test/files/neg/t8015-ffb.check b/test/files/neg/t8015-ffb.check new file mode 100644 index 0000000000..9b2171ea47 --- /dev/null +++ b/test/files/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/test/files/neg/t8015-ffb.flags b/test/files/neg/t8015-ffb.flags new file mode 100644 index 0000000000..7949c2afa2 --- /dev/null +++ b/test/files/neg/t8015-ffb.flags @@ -0,0 +1 @@ +-Xlint -Xfatal-warnings diff --git a/test/files/neg/t8015-ffb.scala b/test/files/neg/t8015-ffb.scala new file mode 100644 index 0000000000..dbdd942555 --- /dev/null +++ b/test/files/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/test/files/neg/t8024.check b/test/files/neg/t8024.check new file mode 100644 index 0000000000..bd551aa591 --- /dev/null +++ b/test/files/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/test/files/neg/t8024.scala b/test/files/neg/t8024.scala new file mode 100644 index 0000000000..b4c2c5ebb9 --- /dev/null +++ b/test/files/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/test/files/neg/t8024b.check b/test/files/neg/t8024b.check new file mode 100644 index 0000000000..9cd89bca53 --- /dev/null +++ b/test/files/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/test/files/neg/t8024b.scala b/test/files/neg/t8024b.scala new file mode 100644 index 0000000000..cf3d496365 --- /dev/null +++ b/test/files/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/test/files/neg/t8035-deprecated.check b/test/files/neg/t8035-deprecated.check new file mode 100644 index 0000000000..01f27e5310 --- /dev/null +++ b/test/files/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/test/files/neg/t8035-deprecated.flags b/test/files/neg/t8035-deprecated.flags new file mode 100644 index 0000000000..c6bfaf1f64 --- /dev/null +++ b/test/files/neg/t8035-deprecated.flags @@ -0,0 +1 @@ +-deprecation -Xfatal-warnings diff --git a/test/files/neg/t8035-deprecated.scala b/test/files/neg/t8035-deprecated.scala new file mode 100644 index 0000000000..6423157530 --- /dev/null +++ b/test/files/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/test/files/neg/t8035-removed.check b/test/files/neg/t8035-removed.check new file mode 100644 index 0000000000..e24a0b4e63 --- /dev/null +++ b/test/files/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/test/files/neg/t8035-removed.flags b/test/files/neg/t8035-removed.flags new file mode 100644 index 0000000000..29f4ede37a --- /dev/null +++ b/test/files/neg/t8035-removed.flags @@ -0,0 +1 @@ +-Xfuture diff --git a/test/files/neg/t8035-removed.scala b/test/files/neg/t8035-removed.scala new file mode 100644 index 0000000000..6423157530 --- /dev/null +++ b/test/files/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/test/files/neg/t8072.check b/test/files/neg/t8072.check new file mode 100644 index 0000000000..9267010135 --- /dev/null +++ b/test/files/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/test/files/neg/t8072.scala b/test/files/neg/t8072.scala new file mode 100644 index 0000000000..2c8213e34a --- /dev/null +++ b/test/files/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 +}
\ No newline at end of file diff --git a/test/files/neg/t8104a.check b/test/files/neg/t8104.check index ef92c2e1ef..69b3461bd5 100644 --- a/test/files/neg/t8104a.check +++ b/test/files/neg/t8104.check @@ -1,4 +1,4 @@ -Test_2.scala:19: error: could not find implicit value for parameter e: Generic.Aux[Test.C,(Int, Int)] +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/test/files/neg/t8104/Macros_1.scala b/test/files/neg/t8104/Macros_1.scala new file mode 100644 index 0000000000..e135bd807b --- /dev/null +++ b/test/files/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 = $Repr }" + } +}
\ No newline at end of file diff --git a/test/files/neg/t8104a/Test_2.scala b/test/files/neg/t8104/Test_2.scala index f601fc3570..a3bd940188 100644 --- a/test/files/neg/t8104a/Test_2.scala +++ b/test/files/neg/t8104/Test_2.scala @@ -8,7 +8,8 @@ object Generic { object Test extends App { case class C(x: Int, y: Int) - def reprify[T, Repr](x: T)(implicit generic: Generic.Aux[T, Repr]) = ??? + import scala.reflect.runtime.universe._ + def reprify[T, Repr](x: T)(implicit generic: Generic.Aux[T, Repr], tag: WeakTypeTag[Repr]) = println(tag) reprify(C(40, 2)) // this is a compilation error at the moment as explained in SI-8104 diff --git a/test/files/neg/t8104a/Macros_1.scala b/test/files/neg/t8104a/Macros_1.scala deleted file mode 100644 index 688d0694c0..0000000000 --- a/test/files/neg/t8104a/Macros_1.scala +++ /dev/null @@ -1,23 +0,0 @@ -import scala.reflect.macros.Context - -object Macros { - def impl[T](c: Context)(implicit T: c.WeakTypeTag[T]) = { - import c.universe._ - import Flag._ - import definitions._ - val fields = T.tpe.declarations.toList.collect{ case x: TermSymbol if x.isVal && x.isCaseAccessor => x } - val Repr = appliedType(TupleClass(fields.length).asType.toType, fields.map(_.typeSignature)) - c.Expr(Block( - List(ClassDef( - Modifiers(FINAL), - newTypeName("$anon"), - List(), - Template( - List(AppliedTypeTree(Ident(newTypeName("Generic")), List(TypeTree(T.tpe)))), - emptyValDef, - List( - DefDef(Modifiers(), nme.CONSTRUCTOR, List(), List(List()), TypeTree(), Block(List(Apply(Select(Super(This(tpnme.EMPTY), tpnme.EMPTY), nme.CONSTRUCTOR), List())), Literal(Constant(())))), - TypeDef(Modifiers(), newTypeName("Repr"), List(), TypeTree(Repr)))))), - Apply(Select(New(Ident(newTypeName("$anon"))), nme.CONSTRUCTOR), List()))) - } -}
\ No newline at end of file diff --git a/test/files/neg/t8104b.check b/test/files/neg/t8104b.check deleted file mode 100644 index 3214a132c2..0000000000 --- a/test/files/neg/t8104b.check +++ /dev/null @@ -1,4 +0,0 @@ -Test_2.scala:16: error: could not find implicit value for parameter generic: Generic.Aux[Test.C,Repr] - reprify(C(40, 2)) - ^ -one error found diff --git a/test/files/neg/t8104b/Macros_1.scala b/test/files/neg/t8104b/Macros_1.scala deleted file mode 100644 index 688d0694c0..0000000000 --- a/test/files/neg/t8104b/Macros_1.scala +++ /dev/null @@ -1,23 +0,0 @@ -import scala.reflect.macros.Context - -object Macros { - def impl[T](c: Context)(implicit T: c.WeakTypeTag[T]) = { - import c.universe._ - import Flag._ - import definitions._ - val fields = T.tpe.declarations.toList.collect{ case x: TermSymbol if x.isVal && x.isCaseAccessor => x } - val Repr = appliedType(TupleClass(fields.length).asType.toType, fields.map(_.typeSignature)) - c.Expr(Block( - List(ClassDef( - Modifiers(FINAL), - newTypeName("$anon"), - List(), - Template( - List(AppliedTypeTree(Ident(newTypeName("Generic")), List(TypeTree(T.tpe)))), - emptyValDef, - List( - DefDef(Modifiers(), nme.CONSTRUCTOR, List(), List(List()), TypeTree(), Block(List(Apply(Select(Super(This(tpnme.EMPTY), tpnme.EMPTY), nme.CONSTRUCTOR), List())), Literal(Constant(())))), - TypeDef(Modifiers(), newTypeName("Repr"), List(), TypeTree(Repr)))))), - Apply(Select(New(Ident(newTypeName("$anon"))), nme.CONSTRUCTOR), List()))) - } -}
\ No newline at end of file diff --git a/test/files/neg/t8104b/Test_2.scala b/test/files/neg/t8104b/Test_2.scala deleted file mode 100644 index a0d35942ba..0000000000 --- a/test/files/neg/t8104b/Test_2.scala +++ /dev/null @@ -1,24 +0,0 @@ -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, Repr]: Generic.Aux[T, Repr] = macro Macros.impl[T] -} - -object Test extends App { - case class C(x: Int, y: Int) - - // this doesn't work because of SI-7470 - // well, in fact SI-7470 has been fixed: https://github.com/scala/scala/pull/2499 - // it's just that the fix hasn't been backported to 2.10.x - // if you've made this compile, consider taking a look at the aforementioned pull request - def reprify[T, Repr](x: T)(implicit generic: Generic.Aux[T, Repr]) = ??? - 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/test/files/neg/t8143a.check b/test/files/neg/t8143a.check new file mode 100644 index 0000000000..4e11000a2a --- /dev/null +++ b/test/files/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/test/files/neg/t8143a.scala b/test/files/neg/t8143a.scala new file mode 100644 index 0000000000..4ec539e671 --- /dev/null +++ b/test/files/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
\ No newline at end of file diff --git a/test/files/neg/t8157.check b/test/files/neg/t8157.check new file mode 100644 index 0000000000..9a21a49a07 --- /dev/null +++ b/test/files/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/test/files/neg/t8157.scala b/test/files/neg/t8157.scala new file mode 100644 index 0000000000..462d4fa3f1 --- /dev/null +++ b/test/files/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/test/files/neg/t8158.check b/test/files/neg/t8158.check new file mode 100644 index 0000000000..fa6b744ba5 --- /dev/null +++ b/test/files/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): $anon}: expected 1, found 0 + case X() => + ^ +one error found diff --git a/test/files/neg/t8158/Macros_1.scala b/test/files/neg/t8158/Macros_1.scala new file mode 100644 index 0000000000..b84e3ed8d3 --- /dev/null +++ b/test/files/neg/t8158/Macros_1.scala @@ -0,0 +1,34 @@ +import scala.language.experimental.macros +import scala.reflect.macros.whitebox.Context + +object Max { + def impl(c: Context)(any: c.Expr[Any]): c.Expr[Any] = { + import c.universe._ + def fail(msg: String) = c.abort(c.enclosingPosition, msg) + val t = c.macroApplication match { + case q"$_.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/test/files/neg/t8158/Test_2.scala b/test/files/neg/t8158/Test_2.scala new file mode 100644 index 0000000000..f5ac6616bb --- /dev/null +++ b/test/files/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/test/files/neg/t8177a.check b/test/files/neg/t8177a.check new file mode 100644 index 0000000000..0d01206e0c --- /dev/null +++ b/test/files/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/test/files/neg/t8177a.scala b/test/files/neg/t8177a.scala new file mode 100644 index 0000000000..d1e47f8c1e --- /dev/null +++ b/test/files/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 +}
\ No newline at end of file diff --git a/test/files/neg/t8182.check b/test/files/neg/t8182.check new file mode 100644 index 0000000000..a156d70883 --- /dev/null +++ b/test/files/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/test/files/neg/t8182.scala b/test/files/neg/t8182.scala new file mode 100644 index 0000000000..1b3bc9821f --- /dev/null +++ b/test/files/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/test/files/neg/t8207.check b/test/files/neg/t8207.check new file mode 100644 index 0000000000..59facd897a --- /dev/null +++ b/test/files/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/test/files/neg/t8207.scala b/test/files/neg/t8207.scala new file mode 100644 index 0000000000..738ce381f4 --- /dev/null +++ b/test/files/neg/t8207.scala @@ -0,0 +1,3 @@ +class C { import C.this.toString } + +class D { import D.this.toString } diff --git a/test/files/neg/t8219-any-any-ref-equals.check b/test/files/neg/t8219-any-any-ref-equals.check new file mode 100644 index 0000000000..95d2536fba --- /dev/null +++ b/test/files/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/test/files/neg/t8219-any-any-ref-equals.scala b/test/files/neg/t8219-any-any-ref-equals.scala new file mode 100644 index 0000000000..f1b81fa734 --- /dev/null +++ b/test/files/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/test/files/neg/t8228.check b/test/files/neg/t8228.check new file mode 100644 index 0000000000..02eff4b1b7 --- /dev/null +++ b/test/files/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/test/files/neg/t8228.scala b/test/files/neg/t8228.scala new file mode 100644 index 0000000000..19d71aeab4 --- /dev/null +++ b/test/files/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/test/files/neg/t8229.check b/test/files/neg/t8229.check new file mode 100644 index 0000000000..cc504fa34e --- /dev/null +++ b/test/files/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/test/files/neg/t8229.scala b/test/files/neg/t8229.scala new file mode 100644 index 0000000000..91966311e2 --- /dev/null +++ b/test/files/neg/t8229.scala @@ -0,0 +1,6 @@ +import Predef.{any2stringadd => _, _} + +object Test { + val o = new Object() + o + "" +} diff --git a/test/files/neg/t8237-default.check b/test/files/neg/t8237-default.check new file mode 100644 index 0000000000..59fe21ed03 --- /dev/null +++ b/test/files/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$1) + ^ +two errors found diff --git a/test/files/neg/t8237-default.scala b/test/files/neg/t8237-default.scala new file mode 100644 index 0000000000..f695aa523f --- /dev/null +++ b/test/files/neg/t8237-default.scala @@ -0,0 +1,29 @@ +// This test case was extracte from `names-defaults-neg.scala` +// It pinpoints an improvement an error message that results from +// a type inference failure +object Test extends App { + test4(test4$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/test/files/neg/t8244.check b/test/files/neg/t8244.check new file mode 100644 index 0000000000..90b2bf6f46 --- /dev/null +++ b/test/files/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/test/files/neg/t8244/Raw_1.java b/test/files/neg/t8244/Raw_1.java new file mode 100644 index 0000000000..0c667f1106 --- /dev/null +++ b/test/files/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/test/files/neg/t8244/Test_2.scala b/test/files/neg/t8244/Test_2.scala new file mode 100644 index 0000000000..152bb0b870 --- /dev/null +++ b/test/files/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/test/files/neg/t8244b.check b/test/files/neg/t8244b.check new file mode 100644 index 0000000000..f6cbf99eb5 --- /dev/null +++ b/test/files/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/test/files/neg/t8244b.scala b/test/files/neg/t8244b.scala new file mode 100644 index 0000000000..2fb4f451a1 --- /dev/null +++ b/test/files/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/test/files/neg/t8244c.check b/test/files/neg/t8244c.check new file mode 100644 index 0000000000..fd58a5847c --- /dev/null +++ b/test/files/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/test/files/neg/t8244c.scala b/test/files/neg/t8244c.scala new file mode 100644 index 0000000000..2fb4f451a1 --- /dev/null +++ b/test/files/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/test/files/neg/t8244e.check b/test/files/neg/t8244e.check new file mode 100644 index 0000000000..ebd74036e5 --- /dev/null +++ b/test/files/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/test/files/neg/t8244e/Raw.java b/test/files/neg/t8244e/Raw.java new file mode 100644 index 0000000000..53202e319d --- /dev/null +++ b/test/files/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/test/files/neg/t8244e/Test.scala b/test/files/neg/t8244e/Test.scala new file mode 100644 index 0000000000..ca2a90583f --- /dev/null +++ b/test/files/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/test/files/neg/t8265.check b/test/files/neg/t8265.check new file mode 100644 index 0000000000..7b1db1c4e5 --- /dev/null +++ b/test/files/neg/t8265.check @@ -0,0 +1,6 @@ +t8265.scala:1: warning: Construct depends on unsound variance analysis and will not compile in scala 2.11 and beyond +class Foo[+CC[X]] { type Coll = CC[_] } + ^ +error: No warnings can be incurred under -Xfatal-warnings. +one warning found +one error found diff --git a/test/files/neg/t8265.flags b/test/files/neg/t8265.flags new file mode 100644 index 0000000000..9d7ba7abd8 --- /dev/null +++ b/test/files/neg/t8265.flags @@ -0,0 +1 @@ +-Xsource:2.10 -deprecation -language:higherKinds -Xfatal-warnings diff --git a/test/files/neg/t8265.scala b/test/files/neg/t8265.scala new file mode 100644 index 0000000000..a215903ebc --- /dev/null +++ b/test/files/neg/t8265.scala @@ -0,0 +1 @@ +class Foo[+CC[X]] { type Coll = CC[_] } diff --git a/test/files/neg/t8266-invalid-interp.check b/test/files/neg/t8266-invalid-interp.check new file mode 100644 index 0000000000..70dd4081b0 --- /dev/null +++ b/test/files/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/test/files/neg/t8266-invalid-interp.scala b/test/files/neg/t8266-invalid-interp.scala new file mode 100644 index 0000000000..4b26546880 --- /dev/null +++ b/test/files/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/test/files/neg/t8300-overloading.check b/test/files/neg/t8300-overloading.check new file mode 100644 index 0000000000..edd34d44bd --- /dev/null +++ b/test/files/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/test/files/neg/t8300-overloading.scala b/test/files/neg/t8300-overloading.scala new file mode 100644 index 0000000000..eb393155a0 --- /dev/null +++ b/test/files/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) = ??? +}
\ No newline at end of file diff --git a/test/files/neg/t8325-b.check b/test/files/neg/t8325-b.check new file mode 100644 index 0000000000..ec80826dc0 --- /dev/null +++ b/test/files/neg/t8325-b.check @@ -0,0 +1,10 @@ +t8325-b.scala:3: error: Unmatched closing brace '}' ignored here + def k(is: Int*} = ??? + ^ +t8325-b.scala:3: error: ';' expected but '=' found. + def k(is: Int*} = ??? + ^ +t8325-b.scala:4: error: eof expected but '}' found. +} +^ +three errors found diff --git a/test/files/neg/t8325-b.scala b/test/files/neg/t8325-b.scala new file mode 100644 index 0000000000..6ac78708bb --- /dev/null +++ b/test/files/neg/t8325-b.scala @@ -0,0 +1,4 @@ + +trait Test { + def k(is: Int*} = ??? +} diff --git a/test/files/neg/t8325-c.check b/test/files/neg/t8325-c.check new file mode 100644 index 0000000000..51ea4988a6 --- /dev/null +++ b/test/files/neg/t8325-c.check @@ -0,0 +1,7 @@ +t8325-c.scala:3: error: identifier expected but ')' found. + def k(xx: Int`*`) = ??? + ^ +t8325-c.scala:4: error: ')' expected but '}' found. +} +^ +two errors found diff --git a/test/files/neg/t8325-c.scala b/test/files/neg/t8325-c.scala new file mode 100644 index 0000000000..076202df3f --- /dev/null +++ b/test/files/neg/t8325-c.scala @@ -0,0 +1,4 @@ + +trait Test { + def k(xx: Int`*`) = ??? +} diff --git a/test/files/neg/t8325.check b/test/files/neg/t8325.check new file mode 100644 index 0000000000..175a0db415 --- /dev/null +++ b/test/files/neg/t8325.check @@ -0,0 +1,15 @@ +t8325.scala:5: error: *-parameter must come last + def f(is: Int*, s: String) = ??? + ^ +t8325.scala:7: error: *-parameter must come last + def h(is: Int * String *, s: String) = ??? + ^ +t8325.scala:10: error: type mismatch; + found : Int(5) + required: Int* + def j(is: Int* = 5) = ??? + ^ +t8325.scala:10: error: a parameter section with a `*'-parameter is not allowed to have default arguments + def j(is: Int* = 5) = ??? + ^ +four errors found diff --git a/test/files/neg/t8325.scala b/test/files/neg/t8325.scala new file mode 100644 index 0000000000..3813797e83 --- /dev/null +++ b/test/files/neg/t8325.scala @@ -0,0 +1,11 @@ + +trait Test { + type OK[A,B] = A Tuple2 B + type *[A,B] = A Tuple2 B + def f(is: Int*, s: String) = ??? + def g(is: Int * String, s: String) = ??? // OK + def h(is: Int * String *, s: String) = ??? + // won't recover from following + //def i(is: Int OK) = ??? //error: identifier expected but ')' found. + def j(is: Int* = 5) = ??? +} diff --git a/test/files/neg/t836.scala b/test/files/neg/t836.scala index de23cf5387..3633b816c6 100644 --- a/test/files/neg/t836.scala +++ b/test/files/neg/t836.scala @@ -10,7 +10,7 @@ abstract class A { } class B extends A { - type MyObj = ObjImpl + type MyObj = ObjImpl val myString: S = "hello" val realString: String = myString // error: type missmatch } diff --git a/test/files/neg/t8372.check b/test/files/neg/t8372.check new file mode 100644 index 0000000000..6a6424a834 --- /dev/null +++ b/test/files/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/test/files/neg/t8372.scala b/test/files/neg/t8372.scala new file mode 100644 index 0000000000..60a674f4d8 --- /dev/null +++ b/test/files/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/test/files/neg/t8376.check b/test/files/neg/t8376.check new file mode 100644 index 0000000000..22ed942d51 --- /dev/null +++ b/test/files/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/test/files/neg/t8376/J.java b/test/files/neg/t8376/J.java new file mode 100644 index 0000000000..29aa23da84 --- /dev/null +++ b/test/files/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/test/files/neg/t8376/S.scala b/test/files/neg/t8376/S.scala new file mode 100644 index 0000000000..a19f0d3c06 --- /dev/null +++ b/test/files/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/test/files/neg/t8430.check b/test/files/neg/t8430.check new file mode 100644 index 0000000000..7c6a73ce53 --- /dev/null +++ b/test/files/neg/t8430.check @@ -0,0 +1,27 @@ +t8430.scala:15: warning: match may not be exhaustive. +It would fail on the following inputs: ??, LetC, LetF, LetL(IntLit), LetP + (tree: Tree) => tree match {case LetL(CharLit) => ??? } + ^ +t8430.scala:16: warning: match may not be exhaustive. +It would fail on the following inputs: ??, LetC, LetF, LetL(IntLit), LetP + (tree: Tree) => tree match {case LetL(CharLit) => ??? } + ^ +t8430.scala:17: warning: match may not be exhaustive. +It would fail on the following inputs: ??, LetC, LetF, LetL(IntLit), LetP + (tree: Tree) => tree match {case LetL(CharLit) => ??? } + ^ +t8430.scala:18: warning: match may not be exhaustive. +It would fail on the following inputs: ??, LetC, LetF, LetL(IntLit), LetP + (tree: Tree) => tree match {case LetL(CharLit) => ??? } + ^ +t8430.scala:19: warning: match may not be exhaustive. +It would fail on the following inputs: ??, LetC, LetF, LetL(IntLit), LetP + (tree: Tree) => tree match {case LetL(CharLit) => ??? } + ^ +t8430.scala:20: warning: match may not be exhaustive. +It would fail on the following inputs: ??, LetC, LetF, LetL(IntLit), LetP + (tree: Tree) => tree match {case LetL(CharLit) => ??? } + ^ +error: No warnings can be incurred under -Xfatal-warnings. +6 warnings found +one error found diff --git a/test/files/neg/t8430.flags b/test/files/neg/t8430.flags new file mode 100644 index 0000000000..85d8eb2ba2 --- /dev/null +++ b/test/files/neg/t8430.flags @@ -0,0 +1 @@ +-Xfatal-warnings diff --git a/test/files/neg/t8430.scala b/test/files/neg/t8430.scala new file mode 100644 index 0000000000..4166b08a0a --- /dev/null +++ b/test/files/neg/t8430.scala @@ -0,0 +1,32 @@ +sealed trait CL3Literal +case object IntLit extends CL3Literal +case object CharLit extends CL3Literal +case object BooleanLit extends CL3Literal +case object UnitLit extends CL3Literal + + +sealed trait Tree +case class LetL(value: CL3Literal) extends Tree +case object LetP extends Tree +case object LetC extends Tree +case object LetF extends Tree + +object Test { + (tree: Tree) => tree match {case LetL(CharLit) => ??? } + (tree: Tree) => tree match {case LetL(CharLit) => ??? } + (tree: Tree) => tree match {case LetL(CharLit) => ??? } + (tree: Tree) => tree match {case LetL(CharLit) => ??? } + (tree: Tree) => tree match {case LetL(CharLit) => ??? } + (tree: Tree) => tree match {case LetL(CharLit) => ??? } + // After the first patch for SI-8430, we achieve stability: all of + // these get the same warning: + // + // ??, LetC, LetF, LetL(IntLit), LetP + // + // Before, it was non-deterministic. + // + // However, we our list of counter examples is itself non-exhaustive. + // We need to rework counter example generation to fix that. + // + // That work is the subject of SI-7746 +} diff --git a/test/files/neg/t8431.check b/test/files/neg/t8431.check new file mode 100644 index 0000000000..75351a8ae7 --- /dev/null +++ b/test/files/neg/t8431.check @@ -0,0 +1,27 @@ +t8431.scala:24: error: type mismatch; + found : CanBuildFrom[Invariant[Nothing]] + required: CanBuildFrom[Invariant[G]] + s.combined // fail + ^ +t8431.scala:24: error: value combined is not a member of Invariant[Nothing] + s.combined // fail + ^ +t8431.scala:35: error: type mismatch; + found : CanBuildFrom[Invariant[Nothing]] + required: CanBuildFrom[Invariant[G]] + s.combined // was okay! + ^ +t8431.scala:35: error: value combined is not a member of Invariant[Nothing] + s.combined // was okay! + ^ +t8431.scala:45: error: type mismatch; + found : CanBuildFrom[Invariant[Nothing]] + required: CanBuildFrom[Invariant[G]] + convert2(s).combined + ^ +t8431.scala:48: error: type mismatch; + found : CanBuildFrom[Invariant[Nothing]] + required: CanBuildFrom[Invariant[G]] + {val c1 = convert2(s); c1.combined} + ^ +6 errors found diff --git a/test/files/neg/t8431.scala b/test/files/neg/t8431.scala new file mode 100644 index 0000000000..032a1f394d --- /dev/null +++ b/test/files/neg/t8431.scala @@ -0,0 +1,63 @@ +trait Covariant[+A] +trait Invariant[A] extends Covariant[A @annotation.unchecked.uncheckedVariance] + +trait Combinable[G] { + def combined = 0 +} + +trait CanBuildFrom[+C] + +object C { + implicit def convert1[G, TRAVONCE[+e] <: Covariant[e]] + (xs: TRAVONCE[G]): Combinable[G] = ??? + + implicit def convert2[G, SET[e] <: Invariant[e]] + (xs: SET[_ <: G]) + (implicit cbf: CanBuildFrom[SET[G]]): Combinable[G] = ??? + + implicit def cbf[A]: CanBuildFrom[Invariant[A]] = ??? +} +// always failed +class Test1 { + import C.{cbf, convert1, convert2} + val s: Invariant[Nothing] = ??? + s.combined // fail +} +// didn't fail, now correctly fails +class Test2 { + import C.{cbf, convert2, convert1} + + val s: Invariant[Nothing] = ??? + + // Non-uniformity with Test1 was due to order of typechecking implicit candidates: + // the last candidate typechecked was the only one that could contribute undetermined type parameters + // to the enclosing context, due to mutation of `Context#undetparam` in `doTypedApply`. + s.combined // was okay! +} + + +class TestExplicit { + import C.{cbf, convert2} + + val s: Invariant[Nothing] = ??? + + // Now the implicit Test fail uniformly as per this explicit conversion + convert2(s).combined + + // Breaking this expression down doesn't make it work. + {val c1 = convert2(s); c1.combined} +} + +// These ones work before and after; infering G=Null doesn't need to contribute an undetermined type param. +class Test3 { + import C.{cbf, convert1, convert2} + val s: Invariant[Null] = ??? + s.combined // okay +} + +class Test4 { + import C.{cbf, convert2, convert1} + + val s: Invariant[Null] = ??? + s.combined // okay +} diff --git a/test/files/neg/t8450.check b/test/files/neg/t8450.check new file mode 100644 index 0000000000..eeabb9730c --- /dev/null +++ b/test/files/neg/t8450.check @@ -0,0 +1,6 @@ +t8450.scala:5: warning: implicit numeric widening + def elapsed: Foo = (System.nanoTime - 100L).foo + ^ +error: No warnings can be incurred under -Xfatal-warnings. +one warning found +one error found diff --git a/test/files/neg/t8450.flags b/test/files/neg/t8450.flags new file mode 100644 index 0000000000..9a1332d7af --- /dev/null +++ b/test/files/neg/t8450.flags @@ -0,0 +1 @@ +-Ywarn-numeric-widen -Xfatal-warnings
\ No newline at end of file diff --git a/test/files/neg/t8450.scala b/test/files/neg/t8450.scala new file mode 100644 index 0000000000..f20ed2bc31 --- /dev/null +++ b/test/files/neg/t8450.scala @@ -0,0 +1,12 @@ +trait Foo + +class WarnWidening { + implicit class FooDouble(d: Double) { def foo = new Foo {} } + def elapsed: Foo = (System.nanoTime - 100L).foo +} + +class NoWarnWidening { + implicit class FooLong(l: Long) { def foo = new Foo {} } + implicit class FooDouble(d: Double) { def foo = new Foo {} } + def elapsed: Foo = (System.nanoTime - 100L).foo +} diff --git a/test/files/neg/t8463.check b/test/files/neg/t8463.check new file mode 100644 index 0000000000..1a3eea2870 --- /dev/null +++ b/test/files/neg/t8463.check @@ -0,0 +1,10 @@ +t8463.scala:5: error: type mismatch; + found : Long + required: ?T[Long] +Note that implicit conversions are not applicable because they are ambiguous: + both method longWrapper in class LowPriorityImplicits of type (x: Long)scala.runtime.RichLong + and method ArrowAssoc in object Predef of type [A](self: A)ArrowAssoc[A] + are possible conversion functions from Long to ?T[Long] + insertCell(Foo(5)) + ^ +one error found diff --git a/test/files/neg/t8463.scala b/test/files/neg/t8463.scala new file mode 100644 index 0000000000..7c954fd834 --- /dev/null +++ b/test/files/neg/t8463.scala @@ -0,0 +1,38 @@ +object Test { + case class Foo[+T[_]](activity:T[Long]) + type Cell[T] = T + def insertCell(u:Foo[Cell]) = ??? + insertCell(Foo(5)) +} + +/* If SI-8230 is fixed, and `viewExists` is changed to no longer leak + ambiguity errors, you might expect the check file for this test to + change as folloes: + +@@ -1,18 +1,10 @@ +-t8463.scala:5: error: no type parameters for method apply: (activity: +- --- because --- +-argument expression's type is not compatible with formal parameter ty ++t8463.scala:5: error: type mismatch; + found : Long + required: ?T[Long] ++Note that implicit conversions are not applicable because they are am ++ both method longWrapper in class LowPriorityImplicits of type (x: Lo ++ and method ArrowAssoc in object Predef of type [A](self: A)ArrowAsso ++ are possible conversion functions from Long to ?T[Long] + insertCell(Foo(5)) +- ^ +-t8463.scala:5: error: type mismatch; +- found : Long(5L) +- required: T[Long] +- insertCell(Foo(5)) +- ^ +-t8463.scala:5: error: type mismatch; +- found : Test.Foo[T] +- required: Test.Foo[Test.Cell] +- insertCell(Foo(5)) +- ^ +-three errors found ++ ^ ++one error found +*/ diff --git a/test/files/neg/t856.check b/test/files/neg/t856.check index 02978e1622..fb93f96d9f 100644 --- a/test/files/neg/t856.check +++ b/test/files/neg/t856.check @@ -5,7 +5,7 @@ it has 2 unimplemented members. */ // Members declared in scala.Equals def canEqual(that: Any): Boolean = ??? - + // Members declared in scala.Product2 def _2: Double = ??? diff --git a/test/files/neg/t856.scala b/test/files/neg/t856.scala index e50084b6bd..fea216bfad 100644 --- a/test/files/neg/t856.scala +++ b/test/files/neg/t856.scala @@ -1,4 +1,4 @@ -trait Complex extends Product2[Double,Double] +trait Complex extends Product2[Double,Double] class ComplexRect(val _1:Double, _2:Double) extends Complex { override def toString = "ComplexRect("+_1+","+_2+")" diff --git a/test/files/neg/t8630.check b/test/files/neg/t8630.check new file mode 100644 index 0000000000..98b084b153 --- /dev/null +++ b/test/files/neg/t8630.check @@ -0,0 +1,7 @@ +t8630.scala:1: error: '{' expected but 'abstract' found. +package bobsdelights abstract class Fruit( val name: String, val color: String ) object Fruits { object Apple extends Fruit("apple", "red") object Orange extends Fruit("orange", "orange") object Pear extends Fruit("pear", "yellowish") val menu = List(Apple, Orange, Pear) } + ^ +t8630.scala:1: error: '}' expected but eof found. +package bobsdelights abstract class Fruit( val name: String, val color: String ) object Fruits { object Apple extends Fruit("apple", "red") object Orange extends Fruit("orange", "orange") object Pear extends Fruit("pear", "yellowish") val menu = List(Apple, Orange, Pear) } + ^ +two errors found diff --git a/test/files/neg/t8630.scala b/test/files/neg/t8630.scala new file mode 100644 index 0000000000..ea25227452 --- /dev/null +++ b/test/files/neg/t8630.scala @@ -0,0 +1 @@ +package bobsdelights abstract class Fruit( val name: String, val color: String ) object Fruits { object Apple extends Fruit("apple", "red") object Orange extends Fruit("orange", "orange") object Pear extends Fruit("pear", "yellowish") val menu = List(Apple, Orange, Pear) }
\ No newline at end of file diff --git a/test/files/neg/t876.scala b/test/files/neg/t876.scala index fb1461a7d3..1f6a90dff3 100644 --- a/test/files/neg/t876.scala +++ b/test/files/neg/t876.scala @@ -11,11 +11,11 @@ object AssertionError extends AnyRef with App class Manager { final class B {} - + val map = new HashMap[A, B] } - - + + def test[T](f: => T) { f } test { diff --git a/test/files/neg/t877.check b/test/files/neg/t877.check index 5f25bd439c..c3d4ab6584 100644 --- a/test/files/neg/t877.check +++ b/test/files/neg/t877.check @@ -1,7 +1,7 @@ t877.scala:3: error: Invalid literal number trait Foo extends A(22A, Bug!) {} ^ -t877.scala:3: error: parents of traits may not have parameters +t877.scala:3: error: ')' expected but eof found. trait Foo extends A(22A, Bug!) {} - ^ + ^ two errors found diff --git a/test/files/neg/t877.scala b/test/files/neg/t877.scala index 8cb98279db..5e132a1dd4 100644 --- a/test/files/neg/t877.scala +++ b/test/files/neg/t877.scala @@ -1,3 +1,3 @@ -class A +class A trait Foo extends A(22A, Bug!) {} diff --git a/test/files/neg/t935.check b/test/files/neg/t935.check index 8b73700187..af634a2630 100644 --- a/test/files/neg/t935.check +++ b/test/files/neg/t935.check @@ -4,7 +4,4 @@ t935.scala:7: error: type arguments [Test3.B] do not conform to class E's type p 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" ^ -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" - ^ -three errors found +two errors found diff --git a/test/files/neg/t944.scala b/test/files/neg/t944.scala index 352269a80b..dc80e5f49f 100644 --- a/test/files/neg/t944.scala +++ b/test/files/neg/t944.scala @@ -1,6 +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, + 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/test/files/neg/t997.check b/test/files/neg/t997.check index 186095f44a..b118792229 100644 --- a/test/files/neg/t997.check +++ b/test/files/neg/t997.check @@ -1,7 +1,4 @@ -t997.scala:13: error: wrong number of arguments for object Foo +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)) } - ^ -t997.scala:13: error: not found: value a -"x" match { case Foo(a, b, c) => Console.println((a,b,c)) } - ^ -two errors found + ^ +one error found diff --git a/test/files/neg/t997.scala b/test/files/neg/t997.scala index e8d10f4317..1198738f24 100644 --- a/test/files/neg/t997.scala +++ b/test/files/neg/t997.scala @@ -1,5 +1,5 @@ // An extractor with 2 results -object Foo { def unapply(x : String) = Some(Pair(x, x)) } +object Foo { def unapply(x : String) = Some((x, x)) } object Test extends App { diff --git a/test/files/neg/tailrec-2.check b/test/files/neg/tailrec-2.check index d3432a7e76..1daad6922e 100644 --- a/test/files/neg/tailrec-2.check +++ b/test/files/neg/tailrec-2.check @@ -1,4 +1,4 @@ -tailrec-2.scala:8: error: could not optimize @tailrec annotated method f: it contains a recursive call targeting supertype Super[A] +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 diff --git a/test/files/neg/tailrec.scala b/test/files/neg/tailrec.scala index 5b9018ae89..e0ebde9863 100644 --- a/test/files/neg/tailrec.scala +++ b/test/files/neg/tailrec.scala @@ -9,21 +9,21 @@ object Winners { @tailrec def loopsucc1(x: Int): Int = loopsucc1(x - 1) @tailrec def loopsucc2[T](x: Int): Int = loopsucc2[T](x - 1) - + def ding() { 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) } @@ -45,19 +45,19 @@ object Failures { else n * facfail(n - 1) } -class Failures { +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/test/files/neg/tcpoly_infer_ticket1162.scala b/test/files/neg/tcpoly_infer_ticket1162.scala index b88bd358d9..0552b42a22 100644 --- a/test/files/neg/tcpoly_infer_ticket1162.scala +++ b/test/files/neg/tcpoly_infer_ticket1162.scala @@ -1,8 +1,8 @@ object Test { - trait Expression[A,B] + 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/test/files/neg/tcpoly_ticket2101.scala b/test/files/neg/tcpoly_ticket2101.scala index 3af07acfac..68f061ce70 100644 --- a/test/files/neg/tcpoly_ticket2101.scala +++ b/test/files/neg/tcpoly_ticket2101.scala @@ -4,10 +4,10 @@ class T2[X] extends T[T2, X] // ill-typed // Forall Y. T2[Y] <: T[T2, X] // debugging before fix: -// def isSubType0 --> +// def isSubType0 --> // case (PolyType(tparams1, res1), PolyType(tparams2, res2)) => println("<:<PT: "+((tparams1, res1), (tparams2, res2))) //@MDEBUG // (tparams1.length == tparams2.length && -// List.forall2(tparams1, tparams2) +// List.forall2(tparams1, tparams2) // ((p1, p2) => p2.info.substSym(tparams2, tparams1) <:< p1.info) && // res1 <:< res2.substSym(tparams2, tparams1)) @@ -22,7 +22,7 @@ class T2[X] extends T[T2, X] // ill-typed // (tparams1.length == tparams2.length && // { // val tpsFresh = cloneSymbols(tparams1) // @M cloneSymbols(tparams2) should be equivalent -- TODO: check -// List.forall2(tparams1, tparams2) +// List.forall2(tparams1, tparams2) // ((p1, p2) => p2.info.substSym(tparams2, tpsFresh) <:< p1.info.substSym(tparams1, tpsFresh)) && -// res1.substSym(tparams1, tpsFresh) <:< res2.substSym(tparams2, tpsFresh) +// res1.substSym(tparams1, tpsFresh) <:< res2.substSym(tparams2, tpsFresh) // }) diff --git a/test/files/neg/tcpoly_typealias.scala b/test/files/neg/tcpoly_typealias.scala index 96e9349298..6c7f80cc0b 100644 --- a/test/files/neg/tcpoly_typealias.scala +++ b/test/files/neg/tcpoly_typealias.scala @@ -12,7 +12,7 @@ trait A3 { trait FooCov[+x] trait FooCon[-x] -trait FooBound[+x <: String] +trait FooBound[+x <: String] trait BOk1 extends A { type m[+x] = FooCov[x] @@ -30,8 +30,8 @@ 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 +// 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 diff --git a/test/files/neg/tcpoly_variance_enforce.scala b/test/files/neg/tcpoly_variance_enforce.scala index 0db7b692f8..ddff0e9f94 100644 --- a/test/files/neg/tcpoly_variance_enforce.scala +++ b/test/files/neg/tcpoly_variance_enforce.scala @@ -6,7 +6,7 @@ trait coll3[m[x]] trait coll4[m[x <: y], y] -class FooInvar[x] +class FooInvar[x] class FooContra[-x] class FooCov[+x] class FooString[+x <: String] @@ -15,15 +15,15 @@ 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 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 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] @@ -33,7 +33,7 @@ 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 } diff --git a/test/files/neg/type-diagnostics.scala b/test/files/neg/type-diagnostics.scala index de7e7adc3c..c4171328de 100644 --- a/test/files/neg/type-diagnostics.scala +++ b/test/files/neg/type-diagnostics.scala @@ -6,14 +6,14 @@ object SetVsSet { 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)) } diff --git a/test/files/neg/typeerror.check b/test/files/neg/typeerror.check index 3ce11dad8a..f117e702f0 100644 --- a/test/files/neg/typeerror.check +++ b/test/files/neg/typeerror.check @@ -3,4 +3,9 @@ typeerror.scala:6: error: type mismatch; required: scala.Long else add2(x.head, y.head) :: add(x.tail, y.tail) ^ -one error found +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/test/files/neg/unchecked-abstract.check b/test/files/neg/unchecked-abstract.check index 6e811dc156..72019082ac 100644 --- a/test/files/neg/unchecked-abstract.check +++ b/test/files/neg/unchecked-abstract.check @@ -1,25 +1,27 @@ -unchecked-abstract.scala:16: error: abstract type H in type Contravariant[M.this.H] is unchecked since it is eliminated by erasure +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: error: abstract type H in type Contravariant[M.this.H] is unchecked since it is eliminated by erasure +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: error: abstract type T in type Invariant[M.this.T] is unchecked since it is eliminated by erasure +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: error: abstract type L in type Invariant[M.this.L] is unchecked since it is eliminated by erasure +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: error: abstract type H in type Invariant[M.this.H] is unchecked since it is eliminated by erasure +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: error: abstract type L in type Invariant[M.this.L] is unchecked since it is eliminated by erasure +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: error: abstract type H in type Invariant[M.this.H] is unchecked since it is eliminated by erasure +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: error: abstract type T in type Invariant[M.this.T] is unchecked since it is eliminated by erasure +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]]) ^ -8 errors found +error: No warnings can be incurred under -Xfatal-warnings. +8 warnings found +one error found diff --git a/test/files/neg/unchecked-impossible.check b/test/files/neg/unchecked-impossible.check index 0ab371dbaa..d150a5a853 100644 --- a/test/files/neg/unchecked-impossible.check +++ b/test/files/neg/unchecked-impossible.check @@ -1,4 +1,10 @@ -unchecked-impossible.scala:5: error: fruitless type test: a value of type T2[Int,Int] cannot also be a Seq[A] +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/test/files/neg/unchecked-knowable.check b/test/files/neg/unchecked-knowable.check index d279427327..327a5f202d 100644 --- a/test/files/neg/unchecked-knowable.check +++ b/test/files/neg/unchecked-knowable.check @@ -1,7 +1,9 @@ -unchecked-knowable.scala:18: error: fruitless type test: a value of type Bippy cannot also be a A1 +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: error: fruitless type test: a value of type Bippy cannot also be a B1 +unchecked-knowable.scala:19: warning: fruitless type test: a value of type Bippy cannot also be a B1 /* warn */ (new Bippy).isInstanceOf[B1] ^ -two errors found +error: No warnings can be incurred under -Xfatal-warnings. +two warnings found +one error found diff --git a/test/files/neg/unchecked-refinement.check b/test/files/neg/unchecked-refinement.check index d81517464f..e85a51f44d 100644 --- a/test/files/neg/unchecked-refinement.check +++ b/test/files/neg/unchecked-refinement.check @@ -1,13 +1,15 @@ -unchecked-refinement.scala:17: error: abstract type U in type pattern Foo[U,U,V] is unchecked since it is eliminated by erasure +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: error: non-variable type argument Any in type pattern Foo[Any,U,V] is unchecked since it is eliminated by erasure +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: error: a pattern match on a refinement type is unchecked +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: error: a pattern match on a refinement type is unchecked +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 ^ -four errors found +error: No warnings can be incurred under -Xfatal-warnings. +four warnings found +one error found diff --git a/test/files/neg/unchecked-suppress.check b/test/files/neg/unchecked-suppress.check index 2e23d21386..d3dc86014b 100644 --- a/test/files/neg/unchecked-suppress.check +++ b/test/files/neg/unchecked-suppress.check @@ -1,10 +1,12 @@ -unchecked-suppress.scala:4: error: non-variable type argument Int in type pattern Set[Int] is unchecked since it is eliminated by erasure +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: error: non-variable type argument String in type pattern Map[String @unchecked,String] is unchecked since it is eliminated by erasure +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: error: non-variable type argument Int in type pattern (Int, Int) => Int is unchecked since it is eliminated by erasure +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 ^ -three errors found +error: No warnings can be incurred under -Xfatal-warnings. +three warnings found +one error found diff --git a/test/files/neg/unchecked.check b/test/files/neg/unchecked.check index 2883b716c9..033cffb18f 100644 --- a/test/files/neg/unchecked.check +++ b/test/files/neg/unchecked.check @@ -1,19 +1,21 @@ -unchecked.scala:18: error: non-variable type argument String in type pattern Iterable[String] is unchecked since it is eliminated by erasure +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: error: non-variable type argument Any in type pattern Set[Any] is unchecked since it is eliminated by erasure +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: error: non-variable type argument Any in type pattern Map[Any,Any] is unchecked since it is eliminated by erasure +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: error: non-variable type argument List[Nothing] in type pattern Test.Contra[List[Nothing]] is unchecked since it is eliminated by erasure +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: error: non-variable type argument String in type pattern Test.Exp[String] is unchecked since it is eliminated by erasure +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: error: non-variable type argument Array[T] in type pattern Test.Exp[Array[T]] is unchecked since it is eliminated by erasure +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 ^ -6 errors found +error: No warnings can be incurred under -Xfatal-warnings. +6 warnings found +one error found diff --git a/test/files/neg/unchecked2.check b/test/files/neg/unchecked2.check index 68fdfa82ac..a7b8391856 100644 --- a/test/files/neg/unchecked2.check +++ b/test/files/neg/unchecked2.check @@ -1,43 +1,45 @@ -unchecked2.scala:4: error: fruitless type test: a value of type Some[List[Int]] cannot also be a Option[List[String]] (but still might match its erasure) +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: error: non-variable type argument Option[_] in type Option[Option[_]] is unchecked since it is eliminated by erasure +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: error: fruitless type test: a value of type Some[Int] cannot also be a Option[String] (but still might match its erasure) +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: error: fruitless type test: a value of type Some[Int] cannot also be a Option[List[String]] (but still might match its erasure) +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: error: fruitless type test: a value of type Some[Int] cannot also be a Option[List[Int => String]] (but still might match its erasure) +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: error: fruitless type test: a value of type Some[Int] cannot also be a Option[(String, Double)] (but still might match its erasure) +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: error: fruitless type test: a value of type Some[Int] cannot also be a Option[String => Double] (but still might match its erasure) +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: error: non-variable type argument List[String] in type Option[List[String]] is unchecked since it is eliminated by erasure +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: error: non-variable type argument Int in type Option[Int] is unchecked since it is eliminated by erasure +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: error: non-variable type argument String in type Option[String] is unchecked since it is eliminated by erasure +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: error: non-variable type argument List[String] in type Option[List[String]] is unchecked since it is eliminated by erasure +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: error: non-variable type argument List[Int => String] in type Option[List[Int => String]] is unchecked since it is eliminated by erasure +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: error: non-variable type argument (String, Double) in type Option[(String, Double)] is unchecked since it is eliminated by erasure +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: error: non-variable type argument String => Double in type Option[String => Double] is unchecked since it is eliminated by erasure +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]] ^ -14 errors found +error: No warnings can be incurred under -Xfatal-warnings. +14 warnings found +one error found diff --git a/test/files/neg/unchecked3.check b/test/files/neg/unchecked3.check index f4f0c74257..0a526050fc 100644 --- a/test/files/neg/unchecked3.check +++ b/test/files/neg/unchecked3.check @@ -1,37 +1,42 @@ -unchecked3.scala:24: error: non-variable type argument Double in type pattern E1[Double] is unchecked since it is eliminated by erasure +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: error: non-variable type argument Double in type pattern F1[Double] is unchecked since it is eliminated by erasure +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: error: non-variable type argument Int in type pattern A2[Int] is unchecked since it is eliminated by erasure +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: error: non-variable type argument Int in type pattern B2[_,Int] is unchecked since it is eliminated by erasure +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: error: non-variable type argument String in type pattern Array[List[String]] is unchecked since it is eliminated by erasure +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: error: non-variable type argument String in type pattern Array[Array[List[String]]] is unchecked since it is eliminated by erasure +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: error: non-variable type argument String in type pattern Array[List[String]] is unchecked since it is eliminated by erasure +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: error: non-variable type argument String in type pattern Array[Array[List[String]]] is unchecked since it is eliminated by erasure +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: error: non-variable type argument String in type pattern Array[List[String]] is unchecked since it is eliminated by erasure +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: error: non-variable type argument Array[String] in type pattern Array[List[Array[String]]] is unchecked since it is eliminated by erasure +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: error: non-variable type argument String in type pattern Array[Array[List[String]]] is unchecked since it is eliminated by erasure +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: error: abstract type A in type pattern Set[Q.this.A] is unchecked since it is eliminated by erasure +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 ^ -12 errors found +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/test/files/neg/unicode-unterminated-quote.check b/test/files/neg/unicode-unterminated-quote.check index 5085505fb4..166488710b 100644 --- a/test/files/neg/unicode-unterminated-quote.check +++ b/test/files/neg/unicode-unterminated-quote.check @@ -1,7 +1,7 @@ unicode-unterminated-quote.scala:2: error: unclosed string literal - val x = /u0022 + val x = \u0022 ^ unicode-unterminated-quote.scala:2: error: '}' expected but eof found. - val x = /u0022 + val x = \u0022 ^ two errors found diff --git a/test/files/neg/unit-returns-value.check b/test/files/neg/unit-returns-value.check index ab458a350b..f30a506ebe 100644 --- a/test/files/neg/unit-returns-value.check +++ b/test/files/neg/unit-returns-value.check @@ -1,7 +1,15 @@ -unit-returns-value.scala:4: error: a pure expression does nothing in statement position; you may be omitting necessary parentheses +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: error: enclosing method f has result type Unit: return value discarded +unit-returns-value.scala:4: warning: enclosing method f has result type Unit: return value discarded if (b) return 5 ^ -two errors found +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/test/files/neg/unit-returns-value.scala b/test/files/neg/unit-returns-value.scala index ecc981f217..fc5a37069f 100644 --- a/test/files/neg/unit-returns-value.scala +++ b/test/files/neg/unit-returns-value.scala @@ -3,9 +3,30 @@ object Test { var b = false if (b) return 5 } - + // no warning def g { 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/test/files/neg/unreachablechar.check b/test/files/neg/unreachablechar.check index 58ce1a7e91..a621196c56 100644 --- a/test/files/neg/unreachablechar.check +++ b/test/files/neg/unreachablechar.check @@ -1,4 +1,12 @@ -unreachablechar.scala:5: error: unreachable code +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/test/files/neg/unreachablechar.flags b/test/files/neg/unreachablechar.flags index 809e9ff2f2..85d8eb2ba2 100644 --- a/test/files/neg/unreachablechar.flags +++ b/test/files/neg/unreachablechar.flags @@ -1 +1 @@ - -Xoldpatmat +-Xfatal-warnings diff --git a/test/files/neg/valueclasses-doubledefs.check b/test/files/neg/valueclasses-doubledefs.check index 556d7a0900..ec513aca6b 100644 --- a/test/files/neg/valueclasses-doubledefs.check +++ b/test/files/neg/valueclasses-doubledefs.check @@ -1,6 +1,6 @@ valueclasses-doubledefs.scala:5: error: double definition: -method apply:(x: Meter)String and -method apply:(x: Double)String at line 4 +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 ^ diff --git a/test/files/neg/valueclasses-pavlov.check b/test/files/neg/valueclasses-pavlov.check index 031589edad..17102a0c68 100644 --- a/test/files/neg/valueclasses-pavlov.check +++ b/test/files/neg/valueclasses-pavlov.check @@ -1,6 +1,6 @@ valueclasses-pavlov.scala:8: error: double definition: -method foo:(x: Box2)String and -method foo:(x: String)String at line 7 +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" ^ diff --git a/test/files/neg/valueclasses.check b/test/files/neg/valueclasses.check index 3b82a8358c..35d38aae60 100644 --- a/test/files/neg/valueclasses.check +++ b/test/files/neg/valueclasses.check @@ -4,40 +4,43 @@ 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:12: error: value class needs to have exactly one public val parameter +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:14: error: value class needs to have a publicly accessible val parameter -class V2(private[test] val x: Int) extends AnyVal // fail - ^ -valueclasses.scala:15: error: value class needs to have a publicly accessible val parameter -class V3(protected[test] val x: Int) extends AnyVal // fail - ^ -valueclasses.scala:16: error: value class needs to have a publicly accessible val parameter -class V4(protected val x: Int) extends AnyVal // fail - ^ -valueclasses.scala:17: error: value class needs to have a publicly accessible val parameter -class V5(private val x: Int) extends AnyVal // fail - ^ -valueclasses.scala:19: error: value class needs to have exactly one public val parameter +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: field definition is not allowed in value class +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 needs to have exactly one public val parameter -class V8(var x: Int) 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 needs to have exactly one public val parameter +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 ^ -14 errors found +15 errors found diff --git a/test/files/neg/valueclasses.scala b/test/files/neg/valueclasses.scala index 7cac94ab11..06fde40a70 100644 --- a/test/files/neg/valueclasses.scala +++ b/test/files/neg/valueclasses.scala @@ -11,10 +11,10 @@ class Foo { class V1 extends AnyVal // fail -class V2(private[test] val x: Int) extends AnyVal // fail -class V3(protected[test] val x: Int) extends AnyVal // fail -class V4(protected val x: Int) extends AnyVal // fail -class V5(private val x: Int) 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 @@ -29,3 +29,8 @@ 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/test/files/neg/varargs.scala b/test/files/neg/varargs.scala index 657750ec8f..be75e9b0a7 100644 --- a/test/files/neg/varargs.scala +++ b/test/files/neg/varargs.scala @@ -7,21 +7,21 @@ 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]) { + + def main(args: Array[String]) { } - + } diff --git a/test/files/neg/variances-refinement.check b/test/files/neg/variances-refinement.check new file mode 100644 index 0000000000..2bed3ffa6b --- /dev/null +++ b/test/files/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/test/files/neg/variances-refinement.scala b/test/files/neg/variances-refinement.scala new file mode 100644 index 0000000000..6bfd336ce0 --- /dev/null +++ b/test/files/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/test/files/neg/variances.check b/test/files/neg/variances.check index 0643e533b7..cb1a60a632 100644 --- a/test/files/neg/variances.check +++ b/test/files/neg/variances.check @@ -1,6 +1,9 @@ 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 ^ @@ -13,7 +16,10 @@ variances.scala:21: error: covariant type A occurs in invariant position in supe 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] ^ -6 errors found +8 errors found diff --git a/test/files/neg/variances2.check b/test/files/neg/variances2.check new file mode 100644 index 0000000000..433cc125ad --- /dev/null +++ b/test/files/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/test/files/neg/variances2.scala b/test/files/neg/variances2.scala new file mode 100644 index 0000000000..d30345dd83 --- /dev/null +++ b/test/files/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]() { + 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/test/files/neg/viewtest.scala b/test/files/neg/viewtest.scala index ddb7fa4a3b..5e7d624d23 100644 --- a/test/files/neg/viewtest.scala +++ b/test/files/neg/viewtest.scala @@ -37,7 +37,7 @@ object O { } } - implicit def view3[a <% Ordered[a]](x: List[a]): Ordered[List[a]] = + 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) @@ -72,7 +72,7 @@ class Node[a <% Ordered[a]](elem: a, l: Tree[a], r: Tree[a]) extends Tree[a] { 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] = + def elements: List[a] = l.elements ::: List(elem) ::: r.elements } @@ -86,7 +86,7 @@ case class Str(elem: String) extends Ordered[Str] { object Test { import O._ - private def toCharList(s: String): List[Char] = + private def toCharList(s: String): List[Char] = if (s.length() == 0) List() else s.charAt(0) :: toCharList(s.substring(1)) diff --git a/test/files/neg/virtpatmat_reach_null.check b/test/files/neg/virtpatmat_reach_null.check index 595c8ec889..e0c36c8c5b 100644 --- a/test/files/neg/virtpatmat_reach_null.check +++ b/test/files/neg/virtpatmat_reach_null.check @@ -1,4 +1,6 @@ -virtpatmat_reach_null.scala:13: error: unreachable code +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/test/files/neg/virtpatmat_reach_sealed_unsealed.check b/test/files/neg/virtpatmat_reach_sealed_unsealed.check index 10638eff52..064a12bcaa 100644 --- a/test/files/neg/virtpatmat_reach_sealed_unsealed.check +++ b/test/files/neg/virtpatmat_reach_sealed_unsealed.check @@ -1,14 +1,16 @@ -virtpatmat_reach_sealed_unsealed.scala:16: error: match may not be exhaustive. +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: error: unreachable code +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: error: unreachable code +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: error: unreachable code +virtpatmat_reach_sealed_unsealed.scala:20: warning: unreachable code (true: Boolean) match { case true => case false => case _: Any => } // exhaustive, last case is unreachable ^ -four errors found +error: No warnings can be incurred under -Xfatal-warnings. +four warnings found +one error found diff --git a/test/files/neg/virtpatmat_unreach_select.check b/test/files/neg/virtpatmat_unreach_select.check index 3771971020..4fc78cd412 100644 --- a/test/files/neg/virtpatmat_unreach_select.check +++ b/test/files/neg/virtpatmat_unreach_select.check @@ -1,4 +1,6 @@ -virtpatmat_unreach_select.scala:10: error: unreachable code +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/test/files/neg/volatile_no_override.check b/test/files/neg/volatile_no_override.check new file mode 100644 index 0000000000..a9a60ab697 --- /dev/null +++ b/test/files/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/test/files/neg/volatile_no_override.scala b/test/files/neg/volatile_no_override.scala new file mode 100644 index 0000000000..9fad082a90 --- /dev/null +++ b/test/files/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/test/files/neg/warn-inferred-any.check b/test/files/neg/warn-inferred-any.check new file mode 100644 index 0000000000..4628033e55 --- /dev/null +++ b/test/files/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/test/files/neg/warn-inferred-any.flags b/test/files/neg/warn-inferred-any.flags new file mode 100644 index 0000000000..a3127d392a --- /dev/null +++ b/test/files/neg/warn-inferred-any.flags @@ -0,0 +1 @@ +-Xfatal-warnings -Ywarn-infer-any diff --git a/test/files/neg/warn-inferred-any.scala b/test/files/neg/warn-inferred-any.scala new file mode 100644 index 0000000000..b853e6e5a8 --- /dev/null +++ b/test/files/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/test/files/neg/warn-unused-imports.check b/test/files/neg/warn-unused-imports.check new file mode 100644 index 0000000000..36c6dd03c3 --- /dev/null +++ b/test/files/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/test/files/neg/warn-unused-imports.flags b/test/files/neg/warn-unused-imports.flags new file mode 100644 index 0000000000..24db705df1 --- /dev/null +++ b/test/files/neg/warn-unused-imports.flags @@ -0,0 +1 @@ +-Xfatal-warnings -Ywarn-unused-import diff --git a/test/files/neg/warn-unused-imports.scala b/test/files/neg/warn-unused-imports.scala new file mode 100644 index 0000000000..b7a2f1c414 --- /dev/null +++ b/test/files/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/test/files/neg/warn-unused-privates.check b/test/files/neg/warn-unused-privates.check new file mode 100644 index 0000000000..d012869c93 --- /dev/null +++ b/test/files/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/test/files/neg/warn-unused-privates.flags b/test/files/neg/warn-unused-privates.flags new file mode 100644 index 0000000000..25474aefb3 --- /dev/null +++ b/test/files/neg/warn-unused-privates.flags @@ -0,0 +1 @@ +-Ywarn-unused -Xfatal-warnings diff --git a/test/files/neg/warn-unused-privates.scala b/test/files/neg/warn-unused-privates.scala new file mode 100644 index 0000000000..cb6e946a34 --- /dev/null +++ b/test/files/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/test/files/neg/wellkinded_wrongarity.check b/test/files/neg/wellkinded_wrongarity.check index 1dc38db5c1..b9f033b453 100644 --- a/test/files/neg/wellkinded_wrongarity.check +++ b/test/files/neg/wellkinded_wrongarity.check @@ -1,4 +1,4 @@ -wellkinded_wrongarity.scala:5: error: Pair takes two type parameters, expected: one -object mp extends Monad[Pair] +wellkinded_wrongarity.scala:5: error: Tuple2 takes two type parameters, expected: one +object mp extends Monad[Tuple2] ^ one error found diff --git a/test/files/neg/wellkinded_wrongarity.scala b/test/files/neg/wellkinded_wrongarity.scala index 2bb0e2ce8a..39c7601d53 100644 --- a/test/files/neg/wellkinded_wrongarity.scala +++ b/test/files/neg/wellkinded_wrongarity.scala @@ -2,4 +2,4 @@ class Monad[m[x]] -object mp extends Monad[Pair] +object mp extends Monad[Tuple2] diff --git a/test/files/neg/xmltruncated6.check b/test/files/neg/xmltruncated6.check index 6123114560..f638f2f090 100644 --- a/test/files/neg/xmltruncated6.check +++ b/test/files/neg/xmltruncated6.check @@ -1,4 +1,4 @@ -xmltruncated6.scala:2: error: ';' expected but eof found. +xmltruncated6.scala:2: error: in XML literal: expected end of Scala block val stuff = <a>{ "no closing brace" ^ one error found |