diff options
Diffstat (limited to 'test/files/neg/t3714-neg.scala')
-rw-r--r-- | test/files/neg/t3714-neg.scala | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/test/files/neg/t3714-neg.scala b/test/files/neg/t3714-neg.scala new file mode 100644 index 0000000000..753b367ec0 --- /dev/null +++ b/test/files/neg/t3714-neg.scala @@ -0,0 +1,41 @@ +// this is a slight negative twist on run/t3714.scala. +trait Break { + protected val break: Int; +} + +class BreakImpl(protected val break: Int) extends Break { } +object BreakImpl { + def apply(x: Int): Break = new BreakImpl(x) + def unapply(x: Any) = x match { + case x: BreakImpl => Some(x.break) + case _ => None + } +} + +object Test { + def f1(x: Break) = x match { + case b: BreakImpl => b.break + case b => -1 + } + def f2(x: Break) = x match { + case BreakImpl(x) => x + case _ => -1 + } + def f3(x: Any) = x match { + case b: BreakImpl => b.break + case b => -1 + } + def f4(x: Any) = x match { + case BreakImpl(x) => x + case _ => -1 + } + + def main(args: Array[String]) { + val break = BreakImpl(22) + assert(f1(break) == 22) + assert(f2(break) == 22) + assert(f3(break) == 22) + assert(f4(break) == 22) + } +} + |