diff options
| author | Paul Phillips <paulp@improving.org> | 2012-03-14 10:00:30 -0700 |
|---|---|---|
| committer | Paul Phillips <paulp@improving.org> | 2012-03-14 10:08:36 -0700 |
| commit | 3ab383ae01a66208df4955bf2117dd2ea8eb2afe (patch) | |
| tree | ac83e7e89310955ccbc317f57f34165f9781117c /test/files/neg | |
| parent | b6dde2b6cf5f66e96fc92c09c1fbe3b4a8dc348c (diff) | |
| parent | 5dca64cefeed4bc3289e641949b103e5e806aa32 (diff) | |
| download | scala-3ab383ae01a66208df4955bf2117dd2ea8eb2afe.tar.gz scala-3ab383ae01a66208df4955bf2117dd2ea8eb2afe.tar.bz2 scala-3ab383ae01a66208df4955bf2117dd2ea8eb2afe.zip | |
Merge branch 'master' into merge-inline
Conflicts:
lib/scala-compiler.jar.desired.sha1
lib/scala-library-src.jar.desired.sha1
lib/scala-library.jar.desired.sha1
src/compiler/scala/reflect/internal/Definitions.scala
src/compiler/scala/reflect/internal/Importers.scala
src/compiler/scala/reflect/internal/Symbols.scala
src/compiler/scala/reflect/internal/Trees.scala
src/compiler/scala/reflect/internal/Types.scala
src/compiler/scala/tools/nsc/Global.scala
src/compiler/scala/tools/nsc/transform/Erasure.scala
src/compiler/scala/tools/nsc/transform/LiftCode.scala
src/compiler/scala/tools/nsc/transform/UnCurry.scala
src/compiler/scala/tools/nsc/typechecker/RefChecks.scala
src/compiler/scala/tools/nsc/typechecker/Typers.scala
test/files/run/programmatic-main.check
test/files/speclib/instrumented.jar.desired.sha1
Diffstat (limited to 'test/files/neg')
75 files changed, 975 insertions, 17 deletions
diff --git a/test/files/neg/abstraction-from-volatile-type-error.check b/test/files/neg/abstraction-from-volatile-type-error.check new file mode 100644 index 0000000000..34ba0551a5 --- /dev/null +++ b/test/files/neg/abstraction-from-volatile-type-error.check @@ -0,0 +1,4 @@ +abstraction-from-volatile-type-error.scala:9: error: illegal abstraction from value with volatile type a.Tv + val tv : a.Tv + ^ +one error found diff --git a/test/files/neg/abstraction-from-volatile-type-error.scala b/test/files/neg/abstraction-from-volatile-type-error.scala new file mode 100644 index 0000000000..5afcb3ec7d --- /dev/null +++ b/test/files/neg/abstraction-from-volatile-type-error.scala @@ -0,0 +1,11 @@ +class A { + type T + type Tv = AnyRef with T +} + +object Test { + type B = a.type forSome { + val a : A + val tv : a.Tv + } +} diff --git a/test/files/neg/constructor-prefix-error.check b/test/files/neg/constructor-prefix-error.check new file mode 100644 index 0000000000..87e948881b --- /dev/null +++ b/test/files/neg/constructor-prefix-error.check @@ -0,0 +1,4 @@ +constructor-prefix-error.scala:6: error: Outer is not a legal prefix for a constructor + val x = new Outer#Inner + ^ +one error found diff --git a/test/files/neg/constructor-prefix-error.scala b/test/files/neg/constructor-prefix-error.scala new file mode 100644 index 0000000000..c2accea284 --- /dev/null +++ b/test/files/neg/constructor-prefix-error.scala @@ -0,0 +1,7 @@ +class Outer { + class Inner +} + +object Test { + val x = new Outer#Inner +} diff --git a/test/files/neg/error_dependentMethodTpeConversionToFunction.check b/test/files/neg/error_dependentMethodTpeConversionToFunction.check new file mode 100644 index 0000000000..3496a552c4 --- /dev/null +++ b/test/files/neg/error_dependentMethodTpeConversionToFunction.check @@ -0,0 +1,4 @@ +error_dependentMethodTpeConversionToFunction.scala:4: error: method with dependent type (x: AnyRef)x.type cannot be converted to function value + val x: Any => Any = foo + ^ +one error found diff --git a/test/files/neg/error_dependentMethodTpeConversionToFunction.scala b/test/files/neg/error_dependentMethodTpeConversionToFunction.scala new file mode 100644 index 0000000000..22649e5098 --- /dev/null +++ b/test/files/neg/error_dependentMethodTpeConversionToFunction.scala @@ -0,0 +1,5 @@ +// test DependentMethodTpeConversionToFunctionError +object Test { + def foo(x: AnyRef): x.type = x + val x: Any => Any = foo +}
\ No newline at end of file diff --git a/test/files/neg/error_tooManyArgsPattern.check b/test/files/neg/error_tooManyArgsPattern.check new file mode 100644 index 0000000000..ee401ad061 --- /dev/null +++ b/test/files/neg/error_tooManyArgsPattern.check @@ -0,0 +1,4 @@ +error_tooManyArgsPattern.scala:3: error: too many arguments for unapply pattern, maximum = 22 + case List(x1, x2, x3, x4, x5, x6, x7, x8, x9, x10, x11, x12, x13, x14, x15, x16, x17, x18, x19, x20, x21, x22, x23) => 7 + ^ +one error found diff --git a/test/files/neg/error_tooManyArgsPattern.scala b/test/files/neg/error_tooManyArgsPattern.scala new file mode 100644 index 0000000000..d55ba61001 --- /dev/null +++ b/test/files/neg/error_tooManyArgsPattern.scala @@ -0,0 +1,5 @@ +object Test { + def test(xs: Any) = xs match { // test error message TooManyArgsPatternError + case List(x1, x2, x3, x4, x5, x6, x7, x8, x9, x10, x11, x12, x13, x14, x15, x16, x17, x18, x19, x20, x21, x22, x23) => 7 + } +} diff --git a/test/files/neg/finitary-error.check b/test/files/neg/finitary-error.check new file mode 100644 index 0000000000..7bc92058ca --- /dev/null +++ b/test/files/neg/finitary-error.check @@ -0,0 +1,4 @@ +finitary-error.scala:3: error: class graph is not finitary because type parameter T is expansively recursive +trait C[T] extends A[C[B[T]]] + ^ +one error found diff --git a/test/files/neg/finitary-error.scala b/test/files/neg/finitary-error.scala new file mode 100644 index 0000000000..a48fcdc70f --- /dev/null +++ b/test/files/neg/finitary-error.scala @@ -0,0 +1,3 @@ +trait A[T] +trait B[T] +trait C[T] extends A[C[B[T]]] diff --git a/test/files/neg/implicits.check b/test/files/neg/implicits.check index cd9dfebf48..6d61f7f222 100644 --- a/test/files/neg/implicits.check +++ b/test/files/neg/implicits.check @@ -8,4 +8,7 @@ implicits.scala:46: error: type mismatch; required: List[Mxml] children.toList.flatMap ( e => { ^ -two errors found +implicits.scala:66: error: could not find implicit value for parameter x: Nothing + foo { + ^ +three errors found diff --git a/test/files/neg/implicits.scala b/test/files/neg/implicits.scala index e908fb03e8..878d3a7c99 100644 --- a/test/files/neg/implicits.scala +++ b/test/files/neg/implicits.scala @@ -56,3 +56,19 @@ class Mxml { } } + +// SI-5316 +class Test3 { + def foo(p: => Any)(implicit x: Nothing): Unit = () + + object X + + foo { + val a = 0 + + { + import X._ + a + } + } +} diff --git a/test/files/neg/macro-argtype-mismatch.check b/test/files/neg/macro-argtype-mismatch.check new file mode 100644 index 0000000000..dd867be804 --- /dev/null +++ b/test/files/neg/macro-argtype-mismatch.check @@ -0,0 +1,6 @@ +Test_2.scala:3: error: type mismatch;
+ found : String("2")
+ required: Int
+ foo("2")
+ ^
+one error found
diff --git a/test/files/neg/macro-argtype-mismatch.flags b/test/files/neg/macro-argtype-mismatch.flags new file mode 100644 index 0000000000..7fea2ff901 --- /dev/null +++ b/test/files/neg/macro-argtype-mismatch.flags @@ -0,0 +1 @@ +-Xmacros
\ No newline at end of file diff --git a/test/files/neg/macro-argtype-mismatch/Macros_1.scala b/test/files/neg/macro-argtype-mismatch/Macros_1.scala new file mode 100644 index 0000000000..4b5f98ba37 --- /dev/null +++ b/test/files/neg/macro-argtype-mismatch/Macros_1.scala @@ -0,0 +1,3 @@ +object Macros { + def macro foo(x: Int) = x +}
\ No newline at end of file diff --git a/test/files/neg/macro-argtype-mismatch/Test_2.scala b/test/files/neg/macro-argtype-mismatch/Test_2.scala new file mode 100644 index 0000000000..18feb69425 --- /dev/null +++ b/test/files/neg/macro-argtype-mismatch/Test_2.scala @@ -0,0 +1,4 @@ +object Test extends App { + import Macros._ + foo("2") +}
\ No newline at end of file diff --git a/test/files/neg/macro-noexpand.check b/test/files/neg/macro-noexpand.check new file mode 100644 index 0000000000..c15d54bb32 --- /dev/null +++ b/test/files/neg/macro-noexpand.check @@ -0,0 +1,4 @@ +Test_2.scala:3: error: not found: value x
+ foo(x)
+ ^
+one error found
diff --git a/test/files/neg/macro-noexpand.flags b/test/files/neg/macro-noexpand.flags new file mode 100644 index 0000000000..7fea2ff901 --- /dev/null +++ b/test/files/neg/macro-noexpand.flags @@ -0,0 +1 @@ +-Xmacros
\ No newline at end of file diff --git a/test/files/neg/macro-noexpand/Macros_1.scala b/test/files/neg/macro-noexpand/Macros_1.scala new file mode 100644 index 0000000000..7a6aadf6a1 --- /dev/null +++ b/test/files/neg/macro-noexpand/Macros_1.scala @@ -0,0 +1,3 @@ +object Macros { + def macro foo(x: Any) = ??? +}
\ No newline at end of file diff --git a/test/files/neg/macro-noexpand/Test_2.scala b/test/files/neg/macro-noexpand/Test_2.scala new file mode 100644 index 0000000000..0bed592883 --- /dev/null +++ b/test/files/neg/macro-noexpand/Test_2.scala @@ -0,0 +1,4 @@ +object Test extends App { + import Macros._ + foo(x) +}
\ No newline at end of file diff --git a/test/files/neg/macro-noncompilertree.check b/test/files/neg/macro-noncompilertree.check new file mode 100644 index 0000000000..616765a39e --- /dev/null +++ b/test/files/neg/macro-noncompilertree.check @@ -0,0 +1,6 @@ +Macros_1.scala:2: error: type mismatch;
+ found : reflect.mirror.Literal
+ required: _context.Tree
+ def macro foo = scala.reflect.mirror.Literal(scala.reflect.mirror.Constant(2))
+ ^
+one error found
diff --git a/test/files/neg/macro-noncompilertree.flags b/test/files/neg/macro-noncompilertree.flags new file mode 100644 index 0000000000..7fea2ff901 --- /dev/null +++ b/test/files/neg/macro-noncompilertree.flags @@ -0,0 +1 @@ +-Xmacros
\ No newline at end of file diff --git a/test/files/neg/macro-noncompilertree/Macros_1.scala b/test/files/neg/macro-noncompilertree/Macros_1.scala new file mode 100644 index 0000000000..eb1253e5e9 --- /dev/null +++ b/test/files/neg/macro-noncompilertree/Macros_1.scala @@ -0,0 +1,3 @@ +object Macros { + def macro foo = scala.reflect.mirror.Literal(scala.reflect.mirror.Constant(2)) +}
\ No newline at end of file diff --git a/test/files/neg/macro-nontree.check b/test/files/neg/macro-nontree.check new file mode 100644 index 0000000000..a1c7139580 --- /dev/null +++ b/test/files/neg/macro-nontree.check @@ -0,0 +1,6 @@ +Macros_1.scala:2: error: type mismatch;
+ found : Int(2)
+ required: _context.Tree
+ def macro foo = 2
+ ^
+one error found
diff --git a/test/files/neg/macro-nontree.flags b/test/files/neg/macro-nontree.flags new file mode 100644 index 0000000000..7fea2ff901 --- /dev/null +++ b/test/files/neg/macro-nontree.flags @@ -0,0 +1 @@ +-Xmacros
\ No newline at end of file diff --git a/test/files/neg/macro-nontree/Macros_1.scala b/test/files/neg/macro-nontree/Macros_1.scala new file mode 100644 index 0000000000..2433974a85 --- /dev/null +++ b/test/files/neg/macro-nontree/Macros_1.scala @@ -0,0 +1,3 @@ +object Macros { + def macro foo = 2 +}
\ No newline at end of file diff --git a/test/files/neg/parent-inherited-twice-error.check b/test/files/neg/parent-inherited-twice-error.check new file mode 100644 index 0000000000..521a6c19d0 --- /dev/null +++ b/test/files/neg/parent-inherited-twice-error.check @@ -0,0 +1,7 @@ +parent-inherited-twice-error.scala:2: error: trait A is inherited twice +class B extends A with A + ^ +parent-inherited-twice-error.scala:2: error: trait A is inherited twice +class B extends A with A + ^ +two errors found diff --git a/test/files/neg/parent-inherited-twice-error.scala b/test/files/neg/parent-inherited-twice-error.scala new file mode 100644 index 0000000000..7b433b9860 --- /dev/null +++ b/test/files/neg/parent-inherited-twice-error.scala @@ -0,0 +1,2 @@ +trait A +class B extends A with A diff --git a/test/files/neg/qualifying-class-error-1.check b/test/files/neg/qualifying-class-error-1.check new file mode 100644 index 0000000000..c70db9ba60 --- /dev/null +++ b/test/files/neg/qualifying-class-error-1.check @@ -0,0 +1,4 @@ +qualifying-class-error-1.scala:2: error: this can be used only in a class, object, or template +class B extends A(this.getClass.getName.length) + ^ +one error found diff --git a/test/files/neg/qualifying-class-error-1.scala b/test/files/neg/qualifying-class-error-1.scala new file mode 100644 index 0000000000..09152fe04c --- /dev/null +++ b/test/files/neg/qualifying-class-error-1.scala @@ -0,0 +1,2 @@ +class A(val i:Int) +class B extends A(this.getClass.getName.length) diff --git a/test/files/neg/qualifying-class-error-2.check b/test/files/neg/qualifying-class-error-2.check new file mode 100644 index 0000000000..50c2759685 --- /dev/null +++ b/test/files/neg/qualifying-class-error-2.check @@ -0,0 +1,4 @@ +qualifying-class-error-2.scala:9: error: A is not an enclosing class + protected[A] def f() {} + ^ +one error found diff --git a/test/files/neg/qualifying-class-error-2.scala b/test/files/neg/qualifying-class-error-2.scala new file mode 100644 index 0000000000..d3aa8664bd --- /dev/null +++ b/test/files/neg/qualifying-class-error-2.scala @@ -0,0 +1,11 @@ +package A { + trait X { + protected[A] def f() + } +} + +package B { + class Y extends A.X { + protected[A] def f() {} + } +} diff --git a/test/files/neg/reify_ann2a.check b/test/files/neg/reify_ann2a.check new file mode 100644 index 0000000000..2afe37e1d8 --- /dev/null +++ b/test/files/neg/reify_ann2a.check @@ -0,0 +1,4 @@ +reify_ann2a.scala:9: error: exception during macro expansion: implementation restriction: cannot reify annotation @ann(immutable.this.List.apply[String]("1a")) which involves a symbol declared inside the block being reified + val tree = scala.reflect.Code.lift{ + ^ +one error found diff --git a/test/files/neg/reify_ann2a.scala b/test/files/neg/reify_ann2a.scala new file mode 100644 index 0000000000..8de0984074 --- /dev/null +++ b/test/files/neg/reify_ann2a.scala @@ -0,0 +1,30 @@ +import scala.reflect._ +import scala.reflect.api._ +import scala.tools.nsc.reporters._ +import scala.tools.nsc.Settings +import reflect.runtime.Mirror.ToolBox + +object Test extends App { + // test 1: reify + val tree = scala.reflect.Code.lift{ + class ann(bar: List[String]) extends StaticAnnotation + + @ann(bar=List("1a")) @ann(bar=List("1b")) class C[@ann(bar=List("2a")) @ann(bar=List("2b")) T](@ann(bar=List("3a")) @ann(bar=List("3b")) x: T @ann(bar=List("4a")) @ann(bar=List("4b"))) { + @ann(bar=List("5a")) @ann(bar=List("5b")) def f(x: Int @ann(bar=List("6a")) @ann(bar=List("6b"))) = { + @ann(bar=List("7a")) @ann(bar=List("7b")) val r = (x + 3): @ann(bar=List("8a")) @ann(bar=List("8b")) + val s = 4: Int @ann(bar=List("9a")) @ann(bar=List("9b")) + r + s + } + } + }.tree + println(tree.toString) + + // test 2: import and typecheck + val reporter = new ConsoleReporter(new Settings) + val toolbox = new ToolBox(reporter) + val ttree = toolbox.typeCheck(tree) + println(ttree.toString) + + // test 3: import and compile + toolbox.runExpr(tree) +}
\ No newline at end of file diff --git a/test/files/neg/reify_ann2b.check b/test/files/neg/reify_ann2b.check new file mode 100644 index 0000000000..ceb70689f1 --- /dev/null +++ b/test/files/neg/reify_ann2b.check @@ -0,0 +1,7 @@ +reify_ann2b.scala:10: error: inner classes cannot be classfile annotations + class ann(bar: String) extends ClassfileAnnotation + ^ +reify_ann2b.scala:9: error: exception during macro expansion: implementation restriction: cannot reify annotation @ann(bar = "1a") which involves a symbol declared inside the block being reified + val tree = scala.reflect.Code.lift{ + ^ +two errors found diff --git a/test/files/neg/reify_ann2b.scala b/test/files/neg/reify_ann2b.scala new file mode 100644 index 0000000000..b43567c2a7 --- /dev/null +++ b/test/files/neg/reify_ann2b.scala @@ -0,0 +1,30 @@ +import scala.reflect._ +import scala.reflect.api._ +import scala.tools.nsc.reporters._ +import scala.tools.nsc.Settings +import reflect.runtime.Mirror.ToolBox + +object Test extends App { + // test 1: reify + val tree = scala.reflect.Code.lift{ + class ann(bar: String) extends ClassfileAnnotation + + @ann(bar="1a") @ann(bar="1b") class C[@ann(bar="2a") @ann(bar="2b") T](@ann(bar="3a") @ann(bar="3b") x: T @ann(bar="4a") @ann(bar="4b")) { + @ann(bar="5a") @ann(bar="5b") def f(x: Int @ann(bar="6a") @ann(bar="6b")) = { + @ann(bar="7a") @ann(bar="7b") val r = (x + 3): @ann(bar="8a") @ann(bar="8b") + val s = 4: Int @ann(bar="9a") @ann(bar="9b") + r + s + } + } + }.tree + println(tree.toString) + + // test 2: import and typecheck + val reporter = new ConsoleReporter(new Settings) + val toolbox = new ToolBox(reporter) + val ttree = toolbox.typeCheck(tree) + println(ttree.toString) + + // test 3: import and compile + toolbox.runExpr(tree) +}
\ No newline at end of file diff --git a/test/files/neg/t200.check b/test/files/neg/t200.check index 78701f8533..3ef6665fe5 100644 --- a/test/files/neg/t200.check +++ b/test/files/neg/t200.check @@ -1,4 +1,4 @@ -t200.scala:7: error: method foo is defined twice +t200.scala:7: error: method foo is defined twice in t200.scala def foo: Int; ^ one error found diff --git a/test/files/neg/t2779.check b/test/files/neg/t2779.check index 4f94a780a1..d642541e3e 100644 --- a/test/files/neg/t2779.check +++ b/test/files/neg/t2779.check @@ -1,4 +1,4 @@ -t2779.scala:16: error: method f is defined twice +t2779.scala:16: error: method f is defined twice in t2779.scala override def f = List(M1) ^ one error found diff --git a/test/files/neg/t278.check b/test/files/neg/t278.check index 675ef910ee..0c2dfeb67a 100644 --- a/test/files/neg/t278.check +++ b/test/files/neg/t278.check @@ -4,7 +4,7 @@ t278.scala:5: error: overloaded method value a with alternatives: does not take type parameters println(a[A]) ^ -t278.scala:4: error: method a is defined twice +t278.scala:4: error: method a is defined twice in t278.scala def a = (p:A) => () ^ two errors found diff --git a/test/files/neg/t3275.check b/test/files/neg/t3275.check new file mode 100644 index 0000000000..117c792321 --- /dev/null +++ b/test/files/neg/t3275.check @@ -0,0 +1,4 @@ +t3275.scala:2: error: @tailrec annotated method contains no recursive calls + @annotation.tailrec def foo() = 5 + ^ +one error found diff --git a/test/files/neg/t3275.scala b/test/files/neg/t3275.scala new file mode 100644 index 0000000000..18e38a1a97 --- /dev/null +++ b/test/files/neg/t3275.scala @@ -0,0 +1,3 @@ +object Test { + @annotation.tailrec def foo() = 5 +} diff --git a/test/files/neg/t414.check b/test/files/neg/t414.check index a855497648..e15dbaea71 100644 --- a/test/files/neg/t414.check +++ b/test/files/neg/t414.check @@ -1,5 +1,5 @@ t414.scala:5: error: pattern type is incompatible with expected type; - found : object Empty + found : Empty.type required: IntMap[a] Note: if you intended to match against the class, try `case _: Empty[_]` or `case Empty()` case Empty => diff --git a/test/files/neg/t452.check b/test/files/neg/t452.check index 85197af21b..aac663068e 100644 --- a/test/files/neg/t452.check +++ b/test/files/neg/t452.check @@ -1,5 +1,5 @@ t452.scala:3: error: type mismatch; - found : Test.type (with underlying type object Test) + found : Test.type required: Test.Foo def this() = this(this); ^ diff --git a/test/files/neg/t4879.check b/test/files/neg/t4879.check index 49f3c73cf7..21cd329640 100644 --- a/test/files/neg/t4879.check +++ b/test/files/neg/t4879.check @@ -1,11 +1,11 @@ t4879.scala:6: error: pattern type is incompatible with expected type; - found : object C + found : C.type required: C Note: if you intended to match against the class, try `case _: C` or `case C(_)` case C => true ^ t4879.scala:10: error: pattern type is incompatible with expected type; - found : object D + found : D.type required: D[T,U,V] Note: if you intended to match against the class, try `case _: D[_,_,_]` or `case D(_,_,_)` case D => true diff --git a/test/files/neg/t5189.check b/test/files/neg/t5189.check new file mode 100644 index 0000000000..7762f465dc --- /dev/null +++ b/test/files/neg/t5189.check @@ -0,0 +1,6 @@ +t5189.scala:3: error: type mismatch; + found : Nothing => Any + required: Any => Any + def f(x: Any): Any => Any = x match { case Foo(bar) => bar } + ^ +one error found
\ No newline at end of file diff --git a/test/files/neg/t5189.scala b/test/files/neg/t5189.scala new file mode 100644 index 0000000000..19e8e74667 --- /dev/null +++ b/test/files/neg/t5189.scala @@ -0,0 +1,5 @@ +class TestNeg1 { + case class Foo[T, U](f: T => U) + def f(x: Any): Any => Any = x match { case Foo(bar) => bar } + // uh-oh, Any => Any should be Nothing => Any. +} diff --git a/test/files/neg/t5189b.check b/test/files/neg/t5189b.check new file mode 100644 index 0000000000..7f78cbb438 --- /dev/null +++ b/test/files/neg/t5189b.check @@ -0,0 +1,8 @@ +t5189b.scala:25: error: type mismatch; + found : TestNeg.Wrapped[?T2] where type ?T2 <: T + required: TestNeg.Wrapped[T] +Note: ?T2 <: T, but class Wrapped is invariant in type W. +You may wish to define W as +W instead. (SLS 4.5) + case Wrapper/*[_ <: T ]*/(wrapped) => wrapped // : Wrapped[_ <: T], which is a subtype of Wrapped[T] if and only if Wrapped is covariant in its type parameter + ^ +one error found diff --git a/test/files/neg/t5189b.scala b/test/files/neg/t5189b.scala new file mode 100644 index 0000000000..1750f14084 --- /dev/null +++ b/test/files/neg/t5189b.scala @@ -0,0 +1,62 @@ +class TestPos { + class AbsWrapperCov[+A] + case class Wrapper[B](x: B) extends AbsWrapperCov[B] + + def unwrap[T](x: AbsWrapperCov[T]): T = x match { + case Wrapper/*[_ <: T ]*/(x) => x // _ <: T, which is a subtype of T + } +} + +object TestNeg extends App { + class AbsWrapperCov[+A] + case class Wrapper[B](x: Wrapped[B]) extends AbsWrapperCov[B] + + /* + when inferring Wrapper's type parameter B from x's type AbsWrapperCov[T], + we must take into account that x's actual type is AbsWrapperCov[Tactual] forSome {type Tactual <: T} + as AbsWrapperCov is covariant in A -- in other words, we must not assume we know T exactly, all we know is its upper bound + + since method application is the only way to generate this slack between run-time and compile-time types, + we'll simply replace the skolems that represent method type parameters as seen from the method's body by + other skolems that are (upper/lower)-bounded by the type-parameter skolems + (depending on whether the skolem appears in a covariant/contravariant position) + */ + def unwrap[T](x: AbsWrapperCov[T]): Wrapped[T] = x match { + case Wrapper/*[_ <: T ]*/(wrapped) => wrapped // : Wrapped[_ <: T], which is a subtype of Wrapped[T] if and only if Wrapped is covariant in its type parameter + } + + class Wrapped[W](var cell: W) // must be invariant (to trigger the bug) + + // class A { def imNotAB = println("notB")} + // class B + // + // val w = new Wrapped(new A) + // unwrap[Any](Wrapper(w)).cell = new B + // w.cell.imNotAB +} + +// class TestPos1 { +// class Base[T] +// case class C[T](x: T) extends Base[T] +// def foo[T](b: Base[T]): T = b match { case C(x) => x } +// +// case class Span[K <: Ordered[K]](low: Option[K], high: Option[K]) extends Function1[K, Boolean] { +// override def equals(x$1: Any): Boolean = x$1 match { +// case Span((low$0 @ _), (high$0 @ _)) if low$0.equals(low).$amp$amp(high$0.equals(high)) => true +// case _ => false +// } +// def apply(k: K): Boolean = this match { +// case Span(Some(low), Some(high)) => (k >= low && k <= high) +// case Span(Some(low), None) => (k >= low) +// case Span(None, Some(high)) => (k <= high) +// case _ => false +// } +// } +// } +// +// class TestNeg1 { +// case class Foo[T, U](f: T => U) +// def f(x: Any): Any => Any = x match { case Foo(bar) => bar } +// // uh-oh, Any => Any should be Nothing => Any. +// } + diff --git a/test/files/neg/t5358.check b/test/files/neg/t5358.check new file mode 100644 index 0000000000..59e83bba2f --- /dev/null +++ b/test/files/neg/t5358.check @@ -0,0 +1,7 @@ +t5358.scala:3: error: class C inherits conflicting members: + method hi in trait A of type => String and + method hi in trait B of type => String +(Note: this can be resolved by declaring an override in class C.) +class C extends A with B + ^ +one error found diff --git a/test/files/neg/t5358.scala b/test/files/neg/t5358.scala new file mode 100644 index 0000000000..13d827ed82 --- /dev/null +++ b/test/files/neg/t5358.scala @@ -0,0 +1,4 @@ +trait A { def hi = "A" } +trait B { def hi = "B" } +class C extends A with B + diff --git a/test/files/neg/t5429.check b/test/files/neg/t5429.check new file mode 100644 index 0000000000..1b89c59587 --- /dev/null +++ b/test/files/neg/t5429.check @@ -0,0 +1,132 @@ +t5429.scala:20: error: overriding value value in class A of type Int; + object value needs `override' modifier + object value // fail + ^ +t5429.scala:21: error: overriding lazy value lazyvalue in class A of type Int; + object lazyvalue needs `override' modifier + object lazyvalue // fail + ^ +t5429.scala:22: error: overriding method nullary in class A of type => Int; + object nullary needs `override' modifier + object nullary // fail + ^ +t5429.scala:23: error: overriding method emptyArg in class A of type ()Int; + object emptyArg needs `override' modifier + object emptyArg // fail + ^ +t5429.scala:27: error: overriding value value in class A0 of type Any; + object value needs `override' modifier + object value // fail + ^ +t5429.scala:28: error: overriding lazy value lazyvalue in class A0 of type Any; + object lazyvalue needs `override' modifier + object lazyvalue // fail + ^ +t5429.scala:29: error: overriding method nullary in class A0 of type => Any; + object nullary needs `override' modifier + object nullary // fail + ^ +t5429.scala:30: error: overriding method emptyArg in class A0 of type ()Any; + object emptyArg needs `override' modifier + object emptyArg // fail + ^ +t5429.scala:35: error: overriding value value in class A of type Int; + object value has incompatible type + override object value // fail + ^ +t5429.scala:36: error: overriding lazy value lazyvalue in class A of type Int; + object lazyvalue must be declared lazy to override a concrete lazy value + override object lazyvalue // fail + ^ +t5429.scala:37: error: overriding method nullary in class A of type => Int; + object nullary has incompatible type + override object nullary // fail + ^ +t5429.scala:38: error: overriding method emptyArg in class A of type ()Int; + object emptyArg has incompatible type + override object emptyArg // fail + ^ +t5429.scala:39: error: object oneArg overrides nothing + override object oneArg // fail + ^ +t5429.scala:43: error: overriding lazy value lazyvalue in class A0 of type Any; + object lazyvalue must be declared lazy to override a concrete lazy value + override object lazyvalue // !!! this fails, but should succeed (lazy over lazy) + ^ +t5429.scala:46: error: object oneArg overrides nothing + override object oneArg // fail + ^ +t5429.scala:50: error: overriding value value in class A of type Int; + value value needs `override' modifier + val value = 0 // fail + ^ +t5429.scala:51: error: overriding lazy value lazyvalue in class A of type Int; + value lazyvalue needs `override' modifier + val lazyvalue = 0 // fail + ^ +t5429.scala:52: error: overriding method nullary in class A of type => Int; + value nullary needs `override' modifier + val nullary = 5 // fail + ^ +t5429.scala:53: error: overriding method emptyArg in class A of type ()Int; + value emptyArg needs `override' modifier + val emptyArg = 10 // fail + ^ +t5429.scala:58: error: overriding lazy value lazyvalue in class A0 of type Any; + value lazyvalue must be declared lazy to override a concrete lazy value + override val lazyvalue = 0 // fail (non-lazy) + ^ +t5429.scala:61: error: value oneArg overrides nothing + override val oneArg = 15 // fail + ^ +t5429.scala:65: error: overriding value value in class A of type Int; + method value needs `override' modifier + def value = 0 // fail + ^ +t5429.scala:66: error: overriding lazy value lazyvalue in class A of type Int; + method lazyvalue needs `override' modifier + def lazyvalue = 2 // fail + ^ +t5429.scala:67: error: overriding method nullary in class A of type => Int; + method nullary needs `override' modifier + def nullary = 5 // fail + ^ +t5429.scala:68: error: overriding method emptyArg in class A of type ()Int; + method emptyArg needs `override' modifier + def emptyArg = 10 // fail + ^ +t5429.scala:72: error: overriding value value in class A0 of type Any; + method value needs to be a stable, immutable value + override def value = 0 // fail + ^ +t5429.scala:73: error: overriding lazy value lazyvalue in class A0 of type Any; + method lazyvalue needs to be a stable, immutable value + override def lazyvalue = 2 // fail + ^ +t5429.scala:76: error: method oneArg overrides nothing + override def oneArg = 15 // fail + ^ +t5429.scala:80: error: overriding value value in class A of type Int; + lazy value value needs `override' modifier + lazy val value = 0 // fail + ^ +t5429.scala:81: error: overriding lazy value lazyvalue in class A of type Int; + lazy value lazyvalue needs `override' modifier + lazy val lazyvalue = 2 // fail + ^ +t5429.scala:82: error: overriding method nullary in class A of type => Int; + lazy value nullary needs `override' modifier + lazy val nullary = 5 // fail + ^ +t5429.scala:83: error: overriding method emptyArg in class A of type ()Int; + lazy value emptyArg needs `override' modifier + lazy val emptyArg = 10 // fail + ^ +t5429.scala:87: error: overriding value value in class A0 of type Any; + lazy value value cannot override a concrete non-lazy value + override lazy val value = 0 // fail (strict over lazy) + ^ +t5429.scala:91: error: value oneArg overrides nothing + override lazy val oneArg = 15 // fail + ^ +34 errors found diff --git a/test/files/neg/t5429.scala b/test/files/neg/t5429.scala new file mode 100644 index 0000000000..1cd4dcd032 --- /dev/null +++ b/test/files/neg/t5429.scala @@ -0,0 +1,93 @@ +// /scala/trac/5429/a.scala +// Wed Feb 1 08:05:27 PST 2012 + +class A { + val value = 0 + lazy val lazyvalue = 2 + def nullary = 5 + def emptyArg() = 10 + def oneArg(x: String) = 15 +} +class A0 { + val value: Any = 0 + lazy val lazyvalue: Any = 2 + def nullary: Any = 5 + def emptyArg(): Any = 10 + def oneArg(x: String): Any = 15 +} + +class B extends A { + object value // fail + object lazyvalue // fail + object nullary // fail + object emptyArg // fail + object oneArg // overload +} +class B0 extends A0 { + object value // fail + object lazyvalue // fail + object nullary // fail + object emptyArg // fail + object oneArg // overload +} + +class C extends A { + override object value // fail + override object lazyvalue // fail + override object nullary // fail + override object emptyArg // fail + override object oneArg // fail +} +class C0 extends A0 { + override object value // !!! this succeeds, but should fail (lazy over strict) + override object lazyvalue // !!! this fails, but should succeed (lazy over lazy) + override object nullary // override + override object emptyArg // override + override object oneArg // fail +} + +class D extends A { + val value = 0 // fail + val lazyvalue = 0 // fail + val nullary = 5 // fail + val emptyArg = 10 // fail + val oneArg = 15 // overload +} +class D0 extends A0 { + override val value = 0 // override + override val lazyvalue = 0 // fail (non-lazy) + override val nullary = 5 // override + override val emptyArg = 10 // override + override val oneArg = 15 // fail +} + +class E extends A { + def value = 0 // fail + def lazyvalue = 2 // fail + def nullary = 5 // fail + def emptyArg = 10 // fail + def oneArg = 15 // overload +} +class E0 extends A0 { + override def value = 0 // fail + override def lazyvalue = 2 // fail + override def nullary = 5 // override + override def emptyArg = 10 // override + override def oneArg = 15 // fail +} + +class F extends A { + lazy val value = 0 // fail + lazy val lazyvalue = 2 // fail + lazy val nullary = 5 // fail + lazy val emptyArg = 10 // fail + lazy val oneArg = 15 // overload +} +class F0 extends A0 { + override lazy val value = 0 // fail (strict over lazy) + override lazy val lazyvalue = 2 // override (lazy over lazy) + override lazy val nullary = 5 // override + override lazy val emptyArg = 10 // override + override lazy val oneArg = 15 // fail +} + diff --git a/test/files/neg/t5452.check b/test/files/neg/t5452.check new file mode 100644 index 0000000000..2f35a45509 --- /dev/null +++ b/test/files/neg/t5452.check @@ -0,0 +1,8 @@ +t5452.scala:28: error: overloaded method value apply with alternatives: + ()Queryable[CoffeesTable] <and> + (t: Tree)(implicit evidence$2: Manifest[CoffeesTable])Nothing <and> + (implicit evidence$1: Manifest[CoffeesTable])Nothing + cannot be applied to (Queryable[CoffeesTable]) + Queryable[CoffeesTable]( q.treeFilter(null) ) + ^ +one error found diff --git a/test/files/neg/t5452.scala b/test/files/neg/t5452.scala new file mode 100644 index 0000000000..1032db7a4b --- /dev/null +++ b/test/files/neg/t5452.scala @@ -0,0 +1,29 @@ +// /scala/trac/5452/a.scala +// Mon Feb 13 22:52:36 PST 2012 + +// import scala.reflect.mirror._ + +trait Tree + +object Bip { + def ??? = sys.error("") +} +import Bip._ + +case class Queryable[T]() { + def treeFilter( t:Tree ) : Queryable[T] = ??? +} + +object Queryable { + def apply[T:Manifest] = ??? + def apply[T:Manifest]( t:Tree ) = ??? +} + +trait CoffeesTable{ + def sales : Int +} + +object Test extends App{ + val q = new Queryable[CoffeesTable] + Queryable[CoffeesTable]( q.treeFilter(null) ) +} diff --git a/test/files/neg/t5455.check b/test/files/neg/t5455.check new file mode 100644 index 0000000000..788daf99fa --- /dev/null +++ b/test/files/neg/t5455.check @@ -0,0 +1,4 @@ +t5455.scala:4: error: lazy vals are not tailcall transformed + @annotation.tailrec final lazy val bar: Thing[Int] = { + ^ +one error found diff --git a/test/files/neg/t5455.scala b/test/files/neg/t5455.scala new file mode 100644 index 0000000000..22d6c442c9 --- /dev/null +++ b/test/files/neg/t5455.scala @@ -0,0 +1,16 @@ +trait Test { + def root: Test + + @annotation.tailrec final lazy val bar: Thing[Int] = { + if (this eq root) + Thing(() => System.identityHashCode(bar)) + else + root.bar + } + + def f = bar.f() +} + +case class Thing[A](f: () => A) { + override def toString = "" + f() +} diff --git a/test/files/neg/t5493.check b/test/files/neg/t5493.check new file mode 100644 index 0000000000..78b1536bc7 --- /dev/null +++ b/test/files/neg/t5493.check @@ -0,0 +1,4 @@ +t5493.scala:2: error: not found: value iDontExist + def meh(xs: Any): Any = xs :: iDontExist :: Nil + ^ +one error found diff --git a/test/files/neg/t5493.scala b/test/files/neg/t5493.scala new file mode 100644 index 0000000000..459cf53bbd --- /dev/null +++ b/test/files/neg/t5493.scala @@ -0,0 +1,3 @@ +object Test { + def meh(xs: Any): Any = xs :: iDontExist :: Nil +} diff --git a/test/files/neg/t5497.check b/test/files/neg/t5497.check new file mode 100644 index 0000000000..fef6d38da0 --- /dev/null +++ b/test/files/neg/t5497.check @@ -0,0 +1,4 @@ +t5497.scala:3: error: not found: value sq + case other => println(null.asInstanceOf[sq.Filter].tableName) + ^ +one error found diff --git a/test/files/neg/t5497.scala b/test/files/neg/t5497.scala new file mode 100644 index 0000000000..40d47de12d --- /dev/null +++ b/test/files/neg/t5497.scala @@ -0,0 +1,5 @@ +object TestQueryable extends App{ + ({ + case other => println(null.asInstanceOf[sq.Filter].tableName) + } : Any => Unit)(null) +} diff --git a/test/files/neg/t5529.check b/test/files/neg/t5529.check new file mode 100644 index 0000000000..78a26aeb50 --- /dev/null +++ b/test/files/neg/t5529.check @@ -0,0 +1,12 @@ +t5529.scala:12: error: File is already defined as class File + type File + ^ +t5529.scala:10: error: class type required but test.Test.File found + sealed class Dir extends File { } + ^ +t5529.scala:10: error: illegal inheritance; super<none> + is not a subclass of the superclass Object + of the mixin trait ScalaObject + sealed class Dir extends File { } + ^ +three errors found diff --git a/test/files/neg/t5529.scala b/test/files/neg/t5529.scala new file mode 100644 index 0000000000..033009a8a6 --- /dev/null +++ b/test/files/neg/t5529.scala @@ -0,0 +1,13 @@ +// /scala/trac/5529/a.scala +// Tue Feb 28 13:11:28 PST 2012 + +package test; + +object Test { + sealed class File { + val i = 1 + } + sealed class Dir extends File { } + + type File +} diff --git a/test/files/neg/t5553_1.check b/test/files/neg/t5553_1.check new file mode 100644 index 0000000000..afd6489888 --- /dev/null +++ b/test/files/neg/t5553_1.check @@ -0,0 +1,54 @@ +t5553_1.scala:18: error: ambiguous reference to overloaded definition, +both method apply in object Foo1 of type (z: String)Base[T] +and method apply in object Foo1 of type (a: Int)Base[T] +match expected type ? + def test1[T] = Foo1[T] + ^ +t5553_1.scala:19: error: type mismatch; + found : [T](z: String)Base[T] <and> (a: Int)Base[T] + required: Int + def test2[T]: Int = Foo1[T] + ^ +t5553_1.scala:20: error: type mismatch; + found : [T(in method apply)](z: String)Base[T(in method apply)] <and> (a: Int)Base[T(in method apply)] + required: Base[T(in method test3)] + def test3[T]: Base[T] = Foo1[T] + ^ +t5553_1.scala:24: error: ambiguous reference to overloaded definition, +both method apply in object Foo2 of type (z: String)Base[T] +and method apply in object Foo2 of type (a: Int)Base[T] +match expected type ? + def test4[T] = Foo2[T] + ^ +t5553_1.scala:25: error: type mismatch; + found : [T](z: String)Base[T] <and> (a: Int)Base[T] + required: Int + def test5[T]: Int = Foo2[T] + ^ +t5553_1.scala:26: error: type mismatch; + found : [T(in method apply)](z: String)Base[T(in method apply)] <and> (a: Int)Base[T(in method apply)] + required: Base[T(in method test6)] + def test6[T]: Base[T] = Foo2[T] + ^ +t5553_1.scala:30: error: ambiguous reference to overloaded definition, +both method apply in object Foo3 of type (z: String)String +and method apply in object Foo3 of type (a: Int)Base[T] +match expected type ? + def test7[T] = Foo3[T] + ^ +t5553_1.scala:31: error: type mismatch; + found : [T](z: String)String <and> (a: Int)Base[T] + required: String + def test8[T]: String = Foo3[T] + ^ +t5553_1.scala:32: error: type mismatch; + found : [T](z: String)String <and> (a: Int)Base[T] + required: Int + def test9[T]: Int = Foo3[T] + ^ +t5553_1.scala:33: error: type mismatch; + found : [T(in method apply)](z: String)String <and> (a: Int)Base[T(in method apply)] + required: Base[T(in method test10)] + def test10[T]: Base[T] = Foo3[T] + ^ +10 errors found diff --git a/test/files/neg/t5553_1.scala b/test/files/neg/t5553_1.scala new file mode 100644 index 0000000000..32d61ec852 --- /dev/null +++ b/test/files/neg/t5553_1.scala @@ -0,0 +1,34 @@ +class Base[T] + +object Foo1 { + def apply[T](a: Int): Base[T] = new Base[T] + def apply[T](z: String): Base[T] = new Base[T] +} + +object Foo2 { + def apply[T](a: Int): Base[T] = new Base[T] + def apply[T](z: String="abc"): Base[T] = new Base[T] +} + +object Foo3 { + def apply[T](a: Int): Base[T] = new Base[T] + def apply[T](z: String="abc"): String = z +} +object Test { + def test1[T] = Foo1[T] + def test2[T]: Int = Foo1[T] + def test3[T]: Base[T] = Foo1[T] +} + +object Test2 { + def test4[T] = Foo2[T] + def test5[T]: Int = Foo2[T] + def test6[T]: Base[T] = Foo2[T] +} + +object Test3{ + def test7[T] = Foo3[T] + def test8[T]: String = Foo3[T] + def test9[T]: Int = Foo3[T] + def test10[T]: Base[T] = Foo3[T] +} diff --git a/test/files/neg/t5553_2.check b/test/files/neg/t5553_2.check new file mode 100644 index 0000000000..599fdb0523 --- /dev/null +++ b/test/files/neg/t5553_2.check @@ -0,0 +1,50 @@ +t5553_2.scala:27: error: type mismatch; + found : Base[T] + required: Int + def test4[T]: Int = Foo1[T](1) + ^ +t5553_2.scala:34: error: type mismatch; + found : String + required: Base[T] + def test7[T]: Base[T] = Foo2[T] + ^ +t5553_2.scala:35: error: type mismatch; + found : String + required: Int + def test8[T]: Int = Foo2[T] + ^ +t5553_2.scala:40: error: type mismatch; + found : String + required: Int + def test9[T]: Int = Foo3[T] + ^ +t5553_2.scala:41: error: type mismatch; + found : String + required: Base[T] + def test10[T]: Base[T] = Foo3[T] + ^ +t5553_2.scala:47: error: could not find implicit value for parameter z: String + def test13[T]: Int = Foo3[T] + ^ +t5553_2.scala:48: error: could not find implicit value for parameter z: String + def test14[T]: Base[T] = Foo3[T] + ^ +t5553_2.scala:49: error: could not find implicit value for parameter z: String + def test15[T]: String = Foo3[T] + ^ +t5553_2.scala:50: error: could not find implicit value for parameter z: String + def test16[T] = Foo3[T] + ^ +t5553_2.scala:54: error: ambiguous reference to overloaded definition, +both method apply in object Foo4 of type (x: Int)(implicit z: String)Base[T] +and method apply in object Foo4 of type (x: Int)Base[T] +match argument types (Int) + def test17[T] = Foo4[T](1) + ^ +t5553_2.scala:55: error: ambiguous reference to overloaded definition, +both method apply in object Foo4 of type (x: Int)(implicit z: String)Base[T] +and method apply in object Foo4 of type (x: Int)Base[T] +match argument types (Int) and expected result type Base[T] + def test18[T]: Base[T] = Foo4[T](1) + ^ +11 errors found diff --git a/test/files/neg/t5553_2.scala b/test/files/neg/t5553_2.scala new file mode 100644 index 0000000000..16958aec8e --- /dev/null +++ b/test/files/neg/t5553_2.scala @@ -0,0 +1,59 @@ +class Base[T] + +object Foo1 { + def apply[T](x: Int): Base[T] = new Base[T] + def apply[T](x: Int, z: String="abc"): String = z +} + +object Foo2 { + def apply[T](a: Int): Base[T] = new Base[T] + def apply[T]: String = "abc" +} + +object Foo3 { + def apply[T](x: Int): Base[T] = new Base[T] + def apply[T](implicit z: String): String = z +} + +object Foo4 { + def apply[T](x: Int): Base[T] = new Base[T] + def apply[T](x: Int)(implicit z: String): Base[T] = new Base[T] +} + +object Test1 { + def test1[T] = Foo1[T](1) + def test2[T]: String = Foo1[T](1) + def test3[T]: Base[T] = Foo1[T](1) + def test4[T]: Int = Foo1[T](1) + +} + +object Test2 { + def test5[T] = Foo2[T] + def test6[T]: String = Foo2[T] + def test7[T]: Base[T] = Foo2[T] + def test8[T]: Int = Foo2[T] +} + +object Test3 { + implicit val v: String = "abc" + def test9[T]: Int = Foo3[T] + def test10[T]: Base[T] = Foo3[T] + def test11[T]: String = Foo3[T] + def test12[T] = Foo3[T] +} + +object Test4 { + def test13[T]: Int = Foo3[T] + def test14[T]: Base[T] = Foo3[T] + def test15[T]: String = Foo3[T] + def test16[T] = Foo3[T] +} + +object Test5 { + def test17[T] = Foo4[T](1) + def test18[T]: Base[T] = Foo4[T](1) + //def test19[T]: String = Foo4[T](1) // #5554 +} + + diff --git a/test/files/neg/t5554.check b/test/files/neg/t5554.check new file mode 100644 index 0000000000..8f657fd32f --- /dev/null +++ b/test/files/neg/t5554.check @@ -0,0 +1,67 @@ +t5554.scala:14: error: ambiguous reference to overloaded definition, +both method apply in object Foo1 of type (x: Int)(implicit z: String)String +and method apply in object Foo1 of type (x: Int)Base[T] +match argument types (Int) + def test1[T]: Int = Foo1[T](1) + ^ +t5554.scala:16: error: ambiguous reference to overloaded definition, +both method apply in object Foo1 of type (x: Int)(implicit z: String)String +and method apply in object Foo1 of type (x: Int)Base[T] +match argument types (Int) + def test3[T]: String = Foo1[T](1) + ^ +t5554.scala:17: error: ambiguous reference to overloaded definition, +both method apply in object Foo1 of type (x: Int)(implicit z: String)String +and method apply in object Foo1 of type (x: Int)Base[T] +match argument types (Int) + def test4[T] = Foo1[T](1) + ^ +t5554.scala:22: error: ambiguous reference to overloaded definition, +both method apply in object Foo1 of type (x: Int)(implicit z: String)String +and method apply in object Foo1 of type (x: Int)Base[T] +match argument types (Int) + def test5[T]: Int = Foo1[T](1) + ^ +t5554.scala:25: error: ambiguous reference to overloaded definition, +both method apply in object Foo1 of type (x: Int)(implicit z: String)String +and method apply in object Foo1 of type (x: Int)Base[T] +match argument types (Int) + def test8[T] = Foo1[T](1) + ^ +t5554.scala:29: error: ambiguous reference to overloaded definition, +both method apply in object Foo2 of type (x: Int)(implicit z: String)Base[T] +and method apply in object Foo2 of type (x: Int)Base[T] +match argument types (Int) + def test9[T]: String = Foo2[T](1) + ^ +t5554.scala:30: error: ambiguous reference to overloaded definition, +both method apply in object Foo2 of type (x: Int)(implicit z: String)Base[T] +and method apply in object Foo2 of type (x: Int)Base[T] +match argument types (Int) and expected result type Base[T] + def test10[T]: Base[T] = Foo2[T](1) + ^ +t5554.scala:31: error: ambiguous reference to overloaded definition, +both method apply in object Foo2 of type (x: Int)(implicit z: String)Base[T] +and method apply in object Foo2 of type (x: Int)Base[T] +match argument types (Int) + def test11[T] = Foo2[T](1) + ^ +t5554.scala:36: error: ambiguous reference to overloaded definition, +both method apply in object Foo2 of type (x: Int)(implicit z: String)Base[T] +and method apply in object Foo2 of type (x: Int)Base[T] +match argument types (Int) + def test12[T]: String = Foo2[T](1) + ^ +t5554.scala:37: error: ambiguous reference to overloaded definition, +both method apply in object Foo2 of type (x: Int)(implicit z: String)Base[T] +and method apply in object Foo2 of type (x: Int)Base[T] +match argument types (Int) and expected result type Base[T] + def test13[T]: Base[T] = Foo2[T](1) + ^ +t5554.scala:38: error: ambiguous reference to overloaded definition, +both method apply in object Foo2 of type (x: Int)(implicit z: String)Base[T] +and method apply in object Foo2 of type (x: Int)Base[T] +match argument types (Int) + def test14[T] = Foo2[T](1) + ^ +11 errors found diff --git a/test/files/neg/t5554.scala b/test/files/neg/t5554.scala new file mode 100644 index 0000000000..d279abea7f --- /dev/null +++ b/test/files/neg/t5554.scala @@ -0,0 +1,39 @@ +class Base[T] + +object Foo1 { + def apply[T](x: Int): Base[T] = new Base[T] + def apply[T](x: Int)(implicit z: String): String = z +} + +object Foo2 { + def apply[T](x: Int): Base[T] = new Base[T] + def apply[T](x: Int)(implicit z: String): Base[T] = new Base[T] +} + +object Test1 { + def test1[T]: Int = Foo1[T](1) + def test2[T]: Base[T] = Foo1[T](1) + def test3[T]: String = Foo1[T](1) + def test4[T] = Foo1[T](1) +} + +object Test2 { + implicit val v: String = "foo" + def test5[T]: Int = Foo1[T](1) + def test6[T]: Base[T] = Foo1[T](1) + def test7[T]: String = Foo1[T](1) + def test8[T] = Foo1[T](1) +} + +object Test3 { + def test9[T]: String = Foo2[T](1) + def test10[T]: Base[T] = Foo2[T](1) + def test11[T] = Foo2[T](1) +} + +object Test4 { + implicit val v: String = "foo" + def test12[T]: String = Foo2[T](1) + def test13[T]: Base[T] = Foo2[T](1) + def test14[T] = Foo2[T](1) +} diff --git a/test/files/neg/t591.check b/test/files/neg/t591.check index 434c2dd002..5cdeebf079 100644 --- a/test/files/neg/t591.check +++ b/test/files/neg/t591.check @@ -1,4 +1,4 @@ -t591.scala:38: error: method input_= is defined twice +t591.scala:38: error: method input_= is defined twice in t591.scala def input_=(in : Input) = {} ^ one error found diff --git a/test/files/neg/t800.check b/test/files/neg/t800.check index 4bfba5420b..44c316a95b 100644 --- a/test/files/neg/t800.check +++ b/test/files/neg/t800.check @@ -1,13 +1,13 @@ t800.scala:4: error: qualification is already defined as value qualification val qualification = false; ^ -t800.scala:8: error: method qualification is defined twice +t800.scala:8: error: method qualification is defined twice in t800.scala val qualification = false; ^ -t800.scala:12: error: value qualification is defined twice +t800.scala:12: error: value qualification is defined twice in t800.scala var qualification = false; ^ -t800.scala:16: error: method qualification is defined twice +t800.scala:16: error: method qualification is defined twice in t800.scala var qualification = false; ^ four errors found diff --git a/test/files/neg/t935.check b/test/files/neg/t935.check index af634a2630..8b73700187 100644 --- a/test/files/neg/t935.check +++ b/test/files/neg/t935.check @@ -4,4 +4,7 @@ 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" ^ -two errors found +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 diff --git a/test/files/neg/t960.check b/test/files/neg/t960.check index d65b0cea93..603b1cb032 100644 --- a/test/files/neg/t960.check +++ b/test/files/neg/t960.check @@ -4,7 +4,10 @@ and method unapply in object List of type [a](xs: List[a])Option[(a, List[a])] match argument types (List[a]) case List(x, xs) => 7 ^ -t960.scala:12: error: method unapply is defined twice +t960.scala:22: error: cannot resolve overloaded unapply + case List(x, xs) => 7 + ^ +t960.scala:12: error: method unapply is defined twice in t960.scala def unapply[a](xs: List[a]): Option[Null] = xs match { ^ -two errors found +three errors found diff --git a/test/files/neg/t960.scala b/test/files/neg/t960.scala index 5101cf8433..36909626c1 100644 --- a/test/files/neg/t960.scala +++ b/test/files/neg/t960.scala @@ -17,4 +17,8 @@ object List { def foo[a](xs: List[a]) = xs match { case List(x, xs) => 7 } + + def bar(xs: Any) = xs match { // test error message OverloadedUnapplyError + case List(x, xs) => 7 + } } diff --git a/test/files/neg/tailrec-2.check b/test/files/neg/tailrec-2.check index 4f763a1c8d..a918858773 100644 --- a/test/files/neg/tailrec-2.check +++ b/test/files/neg/tailrec-2.check @@ -1,4 +1,7 @@ -tailrec-2.scala:6: error: could not optimize @tailrec annotated method f: it contains a recursive call targetting a supertype +tailrec-2.scala:8: error: could not optimize @tailrec annotated method f: it contains a recursive call targetting a supertype @annotation.tailrec final def f[B >: A](mem: List[B]): List[B] = (null: Super[A]).f(mem) ^ -one error found +tailrec-2.scala:9: error: @tailrec annotated method contains no recursive calls + @annotation.tailrec final def f1[B >: A](mem: List[B]): List[B] = this.g(mem) + ^ +two errors found diff --git a/test/files/neg/tailrec-2.scala b/test/files/neg/tailrec-2.scala index 342cd85323..9eb3af2f07 100644 --- a/test/files/neg/tailrec-2.scala +++ b/test/files/neg/tailrec-2.scala @@ -1,9 +1,12 @@ sealed abstract class Super[+A] { def f[B >: A](mem: List[B]) : List[B] + def g(mem: List[_]) = ??? } // This one should fail, target is a supertype class Bop1[+A](val element: A) extends Super[A] { + @annotation.tailrec final def f[B >: A](mem: List[B]): List[B] = (null: Super[A]).f(mem) + @annotation.tailrec final def f1[B >: A](mem: List[B]): List[B] = this.g(mem) } // These succeed class Bop2[+A](val element: A) extends Super[A] { |