diff options
Diffstat (limited to 'test/files/neg')
-rw-r--r-- | test/files/neg/t2866.check | 17 | ||||
-rw-r--r-- | test/files/neg/t2866.scala | 59 | ||||
-rw-r--r-- | test/files/neg/t5639b.check | 4 | ||||
-rw-r--r-- | test/files/neg/t5639b/A_1.scala | 17 | ||||
-rw-r--r-- | test/files/neg/t5639b/A_2.scala | 11 |
5 files changed, 108 insertions, 0 deletions
diff --git a/test/files/neg/t2866.check b/test/files/neg/t2866.check new file mode 100644 index 0000000000..340fb8da22 --- /dev/null +++ b/test/files/neg/t2866.check @@ -0,0 +1,17 @@ +t2866.scala:30: warning: imported `one' is permanently hidden by definition of value one + import A.one // warning: imported `one' is permanently hidden by definition of value one. + ^ +t2866.scala:42: error: ambiguous implicit values: + both value two of type Int + and value one in object A of type => Int + match expected type Int + assert(implicitly[Int] == 2) // !!! Not ambiguous in 2.8.0. Ambigous in 2.7.6 + ^ +t2866.scala:50: error: ambiguous implicit values: + both value two of type Int + and value one in object A of type => Int + match expected type Int + assert(implicitly[Int] == 2) // !!! Not ambiguous in 2.8.0. Ambiguous in 2.7.6 + ^ +one warning found +two errors found diff --git a/test/files/neg/t2866.scala b/test/files/neg/t2866.scala new file mode 100644 index 0000000000..55ebff9710 --- /dev/null +++ b/test/files/neg/t2866.scala @@ -0,0 +1,59 @@ +// for 2.7.x compatibility + +object A { + implicit val one = 1 +} + +object Test { + + locally { + import A._ + locally { + // assert(implicitly[Int] == 1) // error: could not find implicit value for parameter e: Int. + // !!! Why one A.one? + // (I assume you mean: why _not_ A.one? A.one is shadowed by local one. + // but the local one cannot be used yet because it does not have an explicit type. + implicit val one = 2 + assert(implicitly[Int] == 2) + assert(one == 2) + } + } + + locally { + import A._ + implicit val one: Int = 2 + assert(implicitly[Int] == 2) + assert(one == 2) + } + + locally { + import A.one // warning: imported `one' is permanently hidden by definition of value one. + // !!! Really? + //assert(implicitly[Int] == 1) + implicit val one = 2 + assert(implicitly[Int] == 2) // !!! why not 2? + assert(one == 2) + } + + locally { + import A.one + assert(implicitly[Int] == 1) + implicit val two = 2 + assert(implicitly[Int] == 2) // !!! Not ambiguous in 2.8.0. Ambigous in 2.7.6 + } + + locally { + import A._ + assert(implicitly[Int] == 1) + implicit val two = 2 + import A.{one => _} + assert(implicitly[Int] == 2) // !!! Not ambiguous in 2.8.0. Ambiguous in 2.7.6 + } + + locally { + import A.{one => _, _} + implicit val two = 2 + assert(implicitly[Int] == 2) // not ambiguous in 2.8.0 nor im ambiguous in 2.7.6 + } + +} diff --git a/test/files/neg/t5639b.check b/test/files/neg/t5639b.check new file mode 100644 index 0000000000..faa1766660 --- /dev/null +++ b/test/files/neg/t5639b.check @@ -0,0 +1,4 @@ +A_2.scala:6: error: could not find implicit value for parameter e: Int + implicitly[Int] + ^ +one error found diff --git a/test/files/neg/t5639b/A_1.scala b/test/files/neg/t5639b/A_1.scala new file mode 100644 index 0000000000..c5da10eae4 --- /dev/null +++ b/test/files/neg/t5639b/A_1.scala @@ -0,0 +1,17 @@ +import Implicits._ + +class Baz + +object Test { + implicitly[Int] +} + +object Implicits { + implicit val Baz: Int = 0 + // This implicit was being ignored by `isQualifyingImplicit` + // if the classpath contained a class file for `class Baz`. + // This is because the package scope contains a speculative + // symbol for `object Baz` which is entered by `SymbolLoaders` + // before looking inside the class file. (A Java originated + // classfile results in the class/module symbol pair.) +} diff --git a/test/files/neg/t5639b/A_2.scala b/test/files/neg/t5639b/A_2.scala new file mode 100644 index 0000000000..2bb36273e0 --- /dev/null +++ b/test/files/neg/t5639b/A_2.scala @@ -0,0 +1,11 @@ +import Implicits._ + +class Baz + +object Test { + implicitly[Int] +} + +object Implicits { + implicit val Baz: Int = 0 +} |