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Diffstat (limited to 'tests/pending/run/t3150.scala')
-rw-r--r-- | tests/pending/run/t3150.scala | 36 |
1 files changed, 26 insertions, 10 deletions
diff --git a/tests/pending/run/t3150.scala b/tests/pending/run/t3150.scala index 034703b5f..dc95af373 100644 --- a/tests/pending/run/t3150.scala +++ b/tests/pending/run/t3150.scala @@ -1,10 +1,26 @@ -object Test { - case object Bob { override def equals(other: Any) = true } - def f(x: Any) = x match { case Bob => Bob } - - def main(args: Array[String]): Unit = { - assert(f(Bob) eq Bob) - assert(f(0) eq Bob) - assert(f(Nil) eq Bob) - } -} + object Test { + case object Bob { override def equals(other: Any) = true } + + class Bob2 { + override def equals(other: Any) = true + } + val Bob2 = new Bob2 + + def f0(x: Any) = x match { case Bob2 => Bob2 } // class cast exception at runtime, dotc only + def f1(x: Any) = x match { case Bob => Bob } // class cast exception at runtime, dotc only + def f2(x: Any): Bob.type = x match { case x @ Bob => x } // class cast exception at runtime, dotc and javac. + + def main(args: Array[String]): Unit = { + assert(f0(Bob2) eq Bob2) + assert(f0(0) eq Bob2) // only dotty fails here + assert(f0(Nil) eq Bob2) + + assert(f1(Bob) eq Bob) + assert(f1(0) eq Bob) // only dotty fails here + assert(f1(Nil) eq Bob) + + assert(f2(Bob) eq Bob) + assert(f2(0) eq Bob) // both dotty and scalac fail here + assert(f2(Nil) eq Bob) + } + } |