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| author | Jason Zaugg <jzaugg@gmail.com> | 2013-05-17 17:01:20 +0200 |
|---|---|---|
| committer | Paul Phillips <paulp@improving.org> | 2013-05-17 11:16:39 -0700 |
| commit | b7c352a57f65458c66c78a368f75aaaa4a08e443 (patch) | |
| tree | 4b2b7fcea439948c5de65b05a392091a66eea0a4 /test/files/neg | |
| parent | 4f8c306aca703c63282295c9f74f0cb35f9f85d4 (diff) | |
| parent | be405eed9bef9736f0142d6ddf53b6bf8af08696 (diff) | |
| download | scala-b7c352a57f65458c66c78a368f75aaaa4a08e443.tar.gz scala-b7c352a57f65458c66c78a368f75aaaa4a08e443.tar.bz2 scala-b7c352a57f65458c66c78a368f75aaaa4a08e443.zip | |
Merge v2.10.1-326-g4f8c306' into merge/v2.10.1-326-g4f8c306-to-master
================================================================
Merge commit 'v2.10.1-326-g4f8c306' into merge/v2.10.1-326-g4f8c306-to-master
Conflicts:
src/compiler/scala/tools/nsc/typechecker/SuperAccessors.scala
src/reflect/scala/reflect/runtime/JavaMirrors.scala
================================================================
Merge -s ours 4e64a27 ([nomaster commit range])
================================================================
Merge commit '0ae7e55' into merge/v2.10.1-326-g4f8c306-to-master
Conflicts:
src/compiler/scala/tools/nsc/typechecker/Macros.scala
Diffstat (limited to 'test/files/neg')
269 files changed, 2691 insertions, 722 deletions
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/ambiguous-float-dots.check b/test/files/neg/ambiguous-float-dots.check index 6c21056d7a..cdd2d6fa2a 100644 --- a/test/files/neg/ambiguous-float-dots.check +++ b/test/files/neg/ambiguous-float-dots.check @@ -1,16 +1,27 @@ -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. +ambiguous-float-dots.scala:2: warning: 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. +ambiguous-float-dots.scala:6: warning: 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. +ambiguous-float-dots.scala:7: warning: 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. +ambiguous-float-dots.scala:11: warning: 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. +ambiguous-float-dots.scala:12: warning: 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 +ambiguous-float-dots.scala:11: warning: a pure expression does nothing in statement position; you may be omitting necessary parentheses + 1.+(2) + ^ +ambiguous-float-dots.scala:12: warning: a pure expression does nothing in statement position; you may be omitting necessary parentheses + 1. + 2 + ^ +ambiguous-float-dots.scala:13: warning: a pure expression does nothing in statement position; you may be omitting necessary parentheses + 1 + 2 + ^ +error: No warnings can be incurred under -Xfatal-warnings. +8 warnings found +one error found 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/anyval-anyref-parent.check b/test/files/neg/anyval-anyref-parent.check index fe20e5de81..8c2aa36583 100644 --- a/test/files/neg/anyval-anyref-parent.check +++ b/test/files/neg/anyval-anyref-parent.check @@ -3,7 +3,7 @@ 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 class Bar2(x: Int) extends AnyVal // fail ^ 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/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/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/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/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/classmanifests_new_deprecations.check b/test/files/neg/classmanifests_new_deprecations.check index 12428c7626..5f9d0a1ccc 100644 --- a/test/files/neg/classmanifests_new_deprecations.check +++ b/test/files/neg/classmanifests_new_deprecations.check @@ -1,31 +1,33 @@ -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: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: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] ^ -10 errors found +error: No warnings can be incurred under -Xfatal-warnings. +10 warnings found +one error found 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..ce5b205832 100644 --- a/test/files/neg/delayed-init-ref.check +++ b/test/files/neg/delayed-init-ref.check @@ -1,10 +1,12 @@ -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: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. +three warnings found +one error found 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..c573eb3e15 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. +exhausting.scala:21: warning: match may not be exhaustive. It would fail on the following input: 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/forgot-interpolator.check b/test/files/neg/forgot-interpolator.check new file mode 100644 index 0000000000..f6de4d7b3a --- /dev/null +++ b/test/files/neg/forgot-interpolator.check @@ -0,0 +1,9 @@ +forgot-interpolator.scala:4: warning: looks like an interpolated String; did you forget the interpolator? + def f = "Put the $bippy in the $bippy!" // warn + ^ +forgot-interpolator.scala:14: warning: looks like an interpolated String; did you forget the interpolator? + def f = """Put the ${println("bippy")} in the bippy!""" // warn + ^ +error: No warnings can be incurred under -Xfatal-warnings. +two 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..d67db82643 --- /dev/null +++ b/test/files/neg/forgot-interpolator.scala @@ -0,0 +1,15 @@ +class A { + val bippy = 123 + + def f = "Put the $bippy in the $bippy!" // warn +} + +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 +} 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/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/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/javac-error.check b/test/files/neg/javac-error.check new file mode 100644 index 0000000000..e7d1ccc1a1 --- /dev/null +++ b/test/files/neg/javac-error.check @@ -0,0 +1,10 @@ +#partest java6 +javac-error/J.java:2: method does not override or implement a method from a supertype + @Override public void foo() { } + ^ +1 error +#partest java7 +javac-error/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/javac-error.flags b/test/files/neg/javac-error.flags new file mode 100644 index 0000000000..85d8eb2ba2 --- /dev/null +++ b/test/files/neg/javac-error.flags @@ -0,0 +1 @@ +-Xfatal-warnings diff --git a/test/files/neg/javac-error/J.java b/test/files/neg/javac-error/J.java new file mode 100644 index 0000000000..83f50c9ae2 --- /dev/null +++ b/test/files/neg/javac-error/J.java @@ -0,0 +1,5 @@ +public class J { + @Override public void foo() { } + + public void bar() { foo(); } +} diff --git a/test/files/neg/javac-error/SUT_5.scala b/test/files/neg/javac-error/SUT_5.scala new file mode 100644 index 0000000000..0a996352c0 --- /dev/null +++ b/test/files/neg/javac-error/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/logImplicits.check b/test/files/neg/logImplicits.check index 54afc6f86d..0522bd8354 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](__leftOfArrow: 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 StringAdd[A](__thingToAdd: A): StringAdd[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/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/macro-basic-mamdmi.check b/test/files/neg/macro-basic-mamdmi.check index c7b58d70d2..621d318ceb 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: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) 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..f9e0ca5077 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 @@ -3,19 +3,19 @@ import scala.reflect.macros.{Context => Ctx} object Impls { def foo(c: Ctx)(x: c.Expr[Int]): c.Expr[Int] = { import c.universe._ - val body = Apply(Select(x.tree, newTermName("$plus")), List(Literal(Constant(1)))) + val body = Apply(Select(x.tree, TermName("$plus")), List(Literal(Constant(1)))) c.Expr[Int](body) } def bar(c: Ctx)(x: c.Expr[Int]): c.Expr[Int] = { import c.universe._ - val body = Apply(Select(x.tree, newTermName("$plus")), List(Literal(Constant(2)))) + val body = Apply(Select(x.tree, TermName("$plus")), List(Literal(Constant(2)))) c.Expr[Int](body) } def quux(c: Ctx)(x: c.Expr[Int]): c.Expr[Int] = { import c.universe._ - val body = Apply(Select(x.tree, newTermName("$plus")), List(Literal(Constant(3)))) + val body = Apply(Select(x.tree, TermName("$plus")), List(Literal(Constant(3)))) c.Expr[Int](body) } } diff --git a/test/files/neg/macro-deprecate-idents.check b/test/files/neg/macro-deprecate-idents.check index 22b667c390..c653eabaef 100644 --- a/test/files/neg/macro-deprecate-idents.check +++ b/test/files/neg/macro-deprecate-idents.check @@ -1,52 +1,54 @@ -macro-deprecate-idents.scala:2: error: macro is now a reserved word; usage as an identifier is deprecated +macro-deprecate-idents.scala:2: warning: macro is now a reserved word; usage as an identifier is deprecated 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: warning: macro is now a reserved word; usage as an identifier is deprecated 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: warning: macro is now a reserved word; usage as an identifier is deprecated 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: warning: macro is now a reserved word; usage as an identifier is deprecated 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: warning: macro is now a reserved word; usage as an identifier is deprecated 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: warning: macro is now a reserved word; usage as an identifier is deprecated 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: warning: macro is now a reserved word; usage as an identifier is deprecated 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: warning: macro is now a reserved word; usage as an identifier is deprecated 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: warning: macro is now a reserved word; usage as an identifier is deprecated 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: warning: macro is now a reserved word; usage as an identifier is deprecated 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: warning: macro is now a reserved word; usage as an identifier is deprecated 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: warning: macro is now a reserved word; usage as an identifier is deprecated 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: warning: macro is now a reserved word; usage as an identifier is deprecated 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: warning: macro is now a reserved word; usage as an identifier is deprecated 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: warning: macro is now a reserved word; usage as an identifier is deprecated 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: warning: macro is now a reserved word; usage as an identifier is deprecated 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: warning: macro is now a reserved word; usage as an identifier is deprecated def macro = 2 ^ -17 errors found +error: No warnings can be incurred under -Xfatal-warnings. +17 warnings found +one error 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..59acaede65 100644 --- a/test/files/neg/macro-divergence-controlled/Impls_Macros_1.scala +++ b/test/files/neg/macro-divergence-controlled/Impls_Macros_1.scala @@ -11,7 +11,7 @@ object Complex { 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!") + 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") } diff --git a/test/files/neg/macro-invalidimpl-f/Impls_1.scala b/test/files/neg/macro-invalidimpl-f/Impls_1.scala index 334ee714be..0e4da86d22 100644 --- a/test/files/neg/macro-invalidimpl-f/Impls_1.scala +++ b/test/files/neg/macro-invalidimpl-f/Impls_1.scala @@ -3,7 +3,7 @@ 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")))) + val body = Apply(Select(Ident(definitions.PredefModule), TermName("println")), List(Literal(Constant("it works")))) c.Expr[Unit](body) } diff --git a/test/files/neg/macro-invalidimpl-g/Impls_1.scala b/test/files/neg/macro-invalidimpl-g/Impls_1.scala index 334ee714be..0e4da86d22 100644 --- a/test/files/neg/macro-invalidimpl-g/Impls_1.scala +++ b/test/files/neg/macro-invalidimpl-g/Impls_1.scala @@ -3,7 +3,7 @@ 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")))) + val body = Apply(Select(Ident(definitions.PredefModule), TermName("println")), List(Literal(Constant("it works")))) c.Expr[Unit](body) } 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 index 7a7293422e..8205694768 100644 --- a/test/files/neg/macro-invalidsig-implicit-params/Impls_Macros_1.scala +++ b/test/files/neg/macro-invalidsig-implicit-params/Impls_Macros_1.scala @@ -6,9 +6,9 @@ object Impls { 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))))), + Apply(Select(Ident(definitions.PredefModule), TermName("println")), List(Literal(Constant("invoking foo_targs...")))), + Apply(Select(Ident(definitions.PredefModule), TermName("println")), List(Literal(Constant("type of prefix is: " + prefix.staticType)))), + Apply(Select(Ident(definitions.PredefModule), TermName("println")), List(Literal(Constant("U is: " + implicitly[c.WeakTypeTag[U]].tpe))))), Literal(Constant(()))) c.Expr[Unit](body) } diff --git a/test/files/neg/macro-invalidusage-methodvaluesyntax/Impls_1.scala b/test/files/neg/macro-invalidusage-methodvaluesyntax/Impls_1.scala index 8d7fdf3e8a..498bd4f18d 100644 --- a/test/files/neg/macro-invalidusage-methodvaluesyntax/Impls_1.scala +++ b/test/files/neg/macro-invalidusage-methodvaluesyntax/Impls_1.scala @@ -3,7 +3,7 @@ import scala.reflect.macros.{Context => Ctx} object Impls { def foo(c: Ctx) = { import c.universe._ - val body = Apply(Select(Ident(definitions.PredefModule), newTermName("println")), List(Literal(Constant("it works")))) + val body = Apply(Select(Ident(definitions.PredefModule), TermName("println")), List(Literal(Constant("it works")))) c.Expr[Unit](body) } }
\ No newline at end of file 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..8c8f039225 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 + macro method foo cannot be used here - term macros cannot override abstract methods def foo(x: Int) = macro Impls.impl ^ one error found 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 895e0dca50..8c8f039225 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 @@ -1,5 +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 + macro method foo cannot be used here - term macros cannot override abstract methods def foo(x: Int) = macro Impls.impl ^ one error found diff --git a/test/files/neg/macro-override-method-overrides-macro.check b/test/files/neg/macro-override-method-overrides-macro.check index 66dc11be96..e8cba5d029 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 + method foo cannot be used here - only term macros can override term macros override def foo(x: String) = 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..69ef57d18d 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 @@ -4,7 +4,7 @@ object Impls { def impl(c: Ctx)(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)) + val body = Apply(Select(Ident(definitions.PredefModule), TermName("println")), List(Literal(Constant(tag)), Literal(Constant(prefix.toString)), x.tree)) c.Expr[Unit](body) } 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..c6677c4fde 100644 --- a/test/files/neg/macro-without-xmacros-a/Impls_1.scala +++ b/test/files/neg/macro-without-xmacros-a/Impls_1.scala @@ -3,16 +3,16 @@ import scala.reflect.macros.{Context => Ctx} object Impls { def foo_impl(c: Ctx)(x: c.Expr[Int]): c.Expr[Int] = { import c.universe._ - c.Expr(Apply(Select(x.tree, newTermName("$plus")), List(Literal(Constant(1))))) + c.Expr(Apply(Select(x.tree, TermName("$plus")), List(Literal(Constant(1))))) } def bar_impl(c: Ctx)(x: c.Expr[Int]): c.Expr[Int] = { import c.universe._ - c.Expr(Apply(Select(x.tree, newTermName("$plus")), List(Literal(Constant(2))))) + c.Expr(Apply(Select(x.tree, TermName("$plus")), List(Literal(Constant(2))))) } def quux_impl(c: Ctx)(x: c.Expr[Int]): c.Expr[Int] = { import c.universe._ - c.Expr(Apply(Select(x.tree, newTermName("$plus")), List(Literal(Constant(3))))) + c.Expr(Apply(Select(x.tree, TermName("$plus")), List(Literal(Constant(3))))) } }
\ No newline at end of file diff --git a/test/files/neg/macro-without-xmacros-b/Impls_1.scala b/test/files/neg/macro-without-xmacros-b/Impls_1.scala index 8976f8e28d..c6677c4fde 100644 --- a/test/files/neg/macro-without-xmacros-b/Impls_1.scala +++ b/test/files/neg/macro-without-xmacros-b/Impls_1.scala @@ -3,16 +3,16 @@ import scala.reflect.macros.{Context => Ctx} object Impls { def foo_impl(c: Ctx)(x: c.Expr[Int]): c.Expr[Int] = { import c.universe._ - c.Expr(Apply(Select(x.tree, newTermName("$plus")), List(Literal(Constant(1))))) + c.Expr(Apply(Select(x.tree, TermName("$plus")), List(Literal(Constant(1))))) } def bar_impl(c: Ctx)(x: c.Expr[Int]): c.Expr[Int] = { import c.universe._ - c.Expr(Apply(Select(x.tree, newTermName("$plus")), List(Literal(Constant(2))))) + c.Expr(Apply(Select(x.tree, TermName("$plus")), List(Literal(Constant(2))))) } def quux_impl(c: Ctx)(x: c.Expr[Int]): c.Expr[Int] = { import c.universe._ - c.Expr(Apply(Select(x.tree, newTermName("$plus")), List(Literal(Constant(3))))) + c.Expr(Apply(Select(x.tree, TermName("$plus")), List(Literal(Constant(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/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..f6bd703e1f 100644 --- a/test/files/neg/names-defaults-neg.check +++ b/test/files/neg/names-defaults-neg.check @@ -100,7 +100,7 @@ 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 ^ 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/newpat_unreachable.check b/test/files/neg/newpat_unreachable.check index 08453cac19..a928e3853a 100644 --- a/test/files/neg/newpat_unreachable.check +++ b/test/files/neg/newpat_unreachable.check @@ -1,27 +1,29 @@ -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: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 +error: No warnings can be incurred under -Xfatal-warnings. +7 warnings found +one error 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/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/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/package-ob-case.check b/test/files/neg/package-ob-case.check index e6b2f858ef..063a120db1 100644 --- a/test/files/neg/package-ob-case.check +++ b/test/files/neg/package-ob-case.check @@ -1,5 +1,7 @@ -package-ob-case.scala:3: error: it is not recommended to define classes/objects inside of package objects. +package-ob-case.scala:3: warning: 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) { } ^ +error: No warnings can be incurred under -Xfatal-warnings. +one warning found one error found diff --git a/test/files/neg/pat_unreachable.check b/test/files/neg/pat_unreachable.check index c5706b7fad..b4c0e7e104 100644 --- a/test/files/neg/pat_unreachable.check +++ b/test/files/neg/pat_unreachable.check @@ -1,13 +1,14 @@ -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 +error: No warnings can be incurred under -Xfatal-warnings. +three 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-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/patmatexhaust.check b/test/files/neg/patmatexhaust.check index 4556e6622f..6069dfdaab 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 +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/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/predef-masking.scala b/test/files/neg/predef-masking.scala index 67b69aa169..6f4f4859d0 100644 --- a/test/files/neg/predef-masking.scala +++ b/test/files/neg/predef-masking.scala @@ -1,5 +1,5 @@ // Testing predef masking -import Predef.{ any2stringadd => _, _ } +import Predef.{ StringAdd => _, _ } object StringPlusConfusion { // Would love to do something about this error message, but by the diff --git a/test/files/neg/protected-constructors.check b/test/files/neg/protected-constructors.check index f137158ed6..e295917050 100644 --- a/test/files/neg/protected-constructors.check +++ b/test/files/neg/protected-constructors.check @@ -19,7 +19,4 @@ protected-constructors.scala:15: error: class Foo3 in object Ding cannot be acce 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/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/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/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/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/t0764.scala b/test/files/neg/t0764.scala index 9aebe04b79..f2cc65cf7d 100644 --- a/test/files/neg/t0764.scala +++ b/test/files/neg/t0764.scala @@ -2,13 +2,13 @@ class Top[A] { type AType = A } -trait Node extends NotNull { outer => +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 ) } 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/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/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/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/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/t2796.check b/test/files/neg/t2796.check index aeb18497ed..4456a7fc19 100644 --- a/test/files/neg/t2796.check +++ b/test/files/neg/t2796.check @@ -1,4 +1,6 @@ -t2796.scala:7: error: Implementation restriction: early definitions in traits are not initialized before the super class is initialized. +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. +one warning found one error found 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/t3160ambiguous.check b/test/files/neg/t3160ambiguous.check new file mode 100644 index 0000000000..e80d9a5461 --- /dev/null +++ b/test/files/neg/t3160ambiguous.check @@ -0,0 +1,7 @@ +t3160ambiguous.scala:8: error: reference to Node is ambiguous; +it is imported twice in the same scope by +import scala.xml._ +and import Bippy._ + def f(x: Node): String = ??? // ambiguous, because Bippy.Node 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..cb9759b79c --- /dev/null +++ b/test/files/neg/t3160ambiguous.scala @@ -0,0 +1,15 @@ +object Bippy { + private class Node +} +class Bippy { + import Bippy._ + import scala.xml._ + + def f(x: Node): String = ??? // ambiguous, because Bippy.Node is accessible +} +class Other { + import Bippy._ + import scala.xml._ + + def f(x: Node): String = ??? // unambiguous, because Bippy.Node is inaccessible +} 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/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/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/t3692-new.check b/test/files/neg/t3692-new.check index 5aa991c105..9b96449930 100644 --- a/test/files/neg/t3692-new.check +++ b/test/files/neg/t3692-new.check @@ -7,8 +7,13 @@ t3692-new.scala:15: warning: non-variable type argument Int in type pattern Map[ t3692-new.scala:16: 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-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/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/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/t414.scala b/test/files/neg/t414.scala index 2bc83eedcb..1662b9a105 100644 --- a/test/files/neg/t414.scala +++ b/test/files/neg/t414.scala @@ -3,7 +3,7 @@ case class Node[a](left: IntMap[a], keyVal: Pair[Int, a], right: IntMap[a]) exte 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/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/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/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/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/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/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/t4749.check b/test/files/neg/t4749.check index 93ad3935fa..34eed6e433 100644 --- a/test/files/neg/t4749.check +++ b/test/files/neg/t4749.check @@ -1,28 +1,30 @@ -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 { } ^ -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 +error: No warnings can be incurred under -Xfatal-warnings. +6 warnings found +one error found 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..4f2919807e 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: Adapting argument list by inserting (): 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: Adapting argument list by inserting (): 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: Adapting argument list by inserting (): 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: Adapting argument list by inserting (): 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/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/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/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/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/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/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/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/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/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/t5954.check b/test/files/neg/t5954.check new file mode 100644 index 0000000000..3950d14e4e --- /dev/null +++ b/test/files/neg/t5954.check @@ -0,0 +1,18 @@ +t5954.scala:36: warning: class D should be placed directly in package A instead of package object A. Under some circumstances companion objects and case classes in package objects can fail to recompile. See https://issues.scala-lang.org/browse/SI-5954. + case class D() + ^ +t5954.scala:35: warning: object C should be placed directly in package A instead of package object A. Under some circumstances companion objects and case classes in package objects can fail to recompile. See https://issues.scala-lang.org/browse/SI-5954. + object C + ^ +t5954.scala:34: warning: trait C should be placed directly in package A instead of package object A. Under some circumstances companion objects and case classes in package objects can fail to recompile. See https://issues.scala-lang.org/browse/SI-5954. + trait C + ^ +t5954.scala:33: warning: object B should be placed directly in package A instead of package object A. Under some circumstances companion objects and case classes in package objects can fail to recompile. See https://issues.scala-lang.org/browse/SI-5954. + object B + ^ +t5954.scala:32: warning: class B should be placed directly in package A instead of package object A. Under some circumstances companion objects and case classes in package objects can fail to recompile. See https://issues.scala-lang.org/browse/SI-5954. + class B + ^ +error: No warnings can be incurred under -Xfatal-warnings. +5 warnings found +one error found diff --git a/test/files/neg/t5954.flags b/test/files/neg/t5954.flags new file mode 100644 index 0000000000..85d8eb2ba2 --- /dev/null +++ b/test/files/neg/t5954.flags @@ -0,0 +1 @@ +-Xfatal-warnings diff --git a/test/files/neg/t5954.scala b/test/files/neg/t5954.scala new file mode 100644 index 0000000000..3ccb5ed3ff --- /dev/null +++ b/test/files/neg/t5954.scala @@ -0,0 +1,46 @@ +// if you ever think you've fixed the underlying reason for the warning +// imposed by SI-5954, then here's a test that should pass with two "succes"es +// +//import scala.tools.partest._ +// +//object Test extends DirectTest { +// def code = ??? +// +// def problemCode = """ +// package object A { +// class B +// object B +// case class C() +// } +// """ +// +// def compileProblemCode() = { +// val classpath = List(sys.props("partest.lib"), testOutput.path) mkString sys.props("path.separator") +// compileString(newCompiler("-cp", classpath, "-d", testOutput.path))(problemCode) +// } +// +// def show() : Unit = { +// for (i <- 0 until 2) { +// compileProblemCode() +// println(s"success ${i + 1}") +// } +// } +//} + +package object A { + // these should be prevented by the implementation restriction + class B + object B + trait C + object C + case class D() + // all the rest of these should be ok + class E + object F + val g = "omg" + var h = "wtf" + def i = "lol" + type j = String + class K(val k : Int) extends AnyVal + implicit class L(val l : Int) +} 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/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..5e11d24fde 100644 --- a/test/files/neg/t6048.check +++ b/test/files/neg/t6048.check @@ -1,13 +1,15 @@ -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 +error: No warnings can be incurred under -Xfatal-warnings. +four warnings found +one error found 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/t6162-inheritance.check b/test/files/neg/t6162-inheritance.check index a7d3cc3238..13c78030d9 100644 --- a/test/files/neg/t6162-inheritance.check +++ b/test/files/neg/t6162-inheritance.check @@ -1,10 +1,18 @@ -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 +usage.scala:3: warning: inheritance from class Foo in package t6126 is deprecated: `Foo` will be made final in a future version. +class SubFoo extends Foo + ^ +usage.scala:5: warning: inheritance from trait T in package t6126 is deprecated +object SubT extends T + ^ +error: No warnings can be incurred under -Xfatal-warnings. +5 warnings found +one error found diff --git a/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/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/t6355.check b/test/files/neg/t6355.check new file mode 100644 index 0000000000..607829d99a --- /dev/null +++ b/test/files/neg/t6355.check @@ -0,0 +1,7 @@ +t6355.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 + ^ +t6355.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/t6355.scala b/test/files/neg/t6355.scala new file mode 100644 index 0000000000..0500ed04c6 --- /dev/null +++ b/test/files/neg/t6355.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/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/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/t6446-additional.check b/test/files/neg/t6446-additional.check new file mode 100755 index 0000000000..24201c07c2 --- /dev/null +++ b/test/files/neg/t6446-additional.check @@ -0,0 +1,32 @@ + 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, translate patterns + 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 + icode 22 generate portable intermediate code + inliner 23 optimization: do inlining +inlinehandlers 24 optimization: inline exception handlers + closelim 25 optimization: eliminate uncalled closures + constopt 26 optimization: optimize null and other constants + dce 27 optimization: eliminate dead code + jvm 28 generate JVM bytecode + ploogin 29 A sample phase that does so many things it's kind of hard... + terminal 30 The last phase in the compiler chain 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..6e5bdcf07c --- /dev/null +++ b/test/files/neg/t6446-missing.check @@ -0,0 +1,32 @@ +Warning: class not found: 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, translate patterns + 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 + icode 22 generate portable intermediate code + inliner 23 optimization: do inlining +inlinehandlers 24 optimization: inline exception handlers + closelim 25 optimization: eliminate uncalled closures + constopt 26 optimization: optimize null and other constants + dce 27 optimization: eliminate dead code + jvm 28 generate JVM bytecode + terminal 29 The last phase in the compiler chain 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..a1bf408506 --- /dev/null +++ b/test/files/neg/t6446-show-phases.check @@ -0,0 +1,31 @@ + 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, translate patterns + 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 + icode 22 generate portable intermediate code + inliner 23 optimization: do inlining +inlinehandlers 24 optimization: inline exception handlers + closelim 25 optimization: eliminate uncalled closures + constopt 26 optimization: optimize null and other constants + dce 27 optimization: eliminate dead code + jvm 28 generate JVM bytecode + terminal 29 The last phase in the compiler chain 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/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/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/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/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..3a277af866 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: 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 ^ +error: No warnings can be incurred under -Xfatal-warnings. +one warning found one error found 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/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/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/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/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/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/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/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/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/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/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/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..038105918e 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 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 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..570f02f219 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] 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 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 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..a7582a8930 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 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/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..121f12a0c7 100644 --- a/test/files/neg/unreachablechar.check +++ b/test/files/neg/unreachablechar.check @@ -1,4 +1,9 @@ -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?"); ^ +error: No warnings can be incurred under -Xfatal-warnings. +two 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/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..7d965e94dc 100644 --- a/test/files/neg/variances.check +++ b/test/files/neg/variances.check @@ -13,7 +13,10 @@ 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 +7 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/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..1b938f4fd7 --- /dev/null +++ b/test/files/neg/warn-unused-imports.check @@ -0,0 +1,44 @@ +warn-unused-imports.scala:7: warning: it is not recommended to define classes/objects inside of package objects. +If possible, define class A in package p1 instead. + class A + ^ +warn-unused-imports.scala:13: warning: it is not recommended to define classes/objects inside of package objects. +If possible, define class A in package p2 instead. + class A + ^ +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 + ^ +warn-unused-imports.scala:99: warning: local trait Warn is never used + trait Warn { // warn about unused local trait for good measure + ^ +error: No warnings can be incurred under -Xfatal-warnings. +13 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..954eaba352 --- /dev/null +++ b/test/files/neg/warn-unused-imports.flags @@ -0,0 +1 @@ +-Xfatal-warnings -Xlint 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..9c41a33e8f --- /dev/null +++ b/test/files/neg/warn-unused-privates.check @@ -0,0 +1,63 @@ +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: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. +20 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..7949c2afa2 --- /dev/null +++ b/test/files/neg/warn-unused-privates.flags @@ -0,0 +1 @@ +-Xlint -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 + } +} |