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author | Jason Zaugg <jzaugg@gmail.com> | 2014-02-12 14:05:01 +0100 |
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committer | Adriaan Moors <adriaan.moors@typesafe.com> | 2014-02-12 20:47:13 -0800 |
commit | b4e1a308f81d48b72ba90b7a8594759f27e1d8f3 (patch) | |
tree | 6882ab6c83bae7c4493211d67239b97bb425090c /test/pending | |
parent | ed4ae1d35903736da215c568d530d9fa20b0d60a (diff) | |
download | scala-b4e1a308f81d48b72ba90b7a8594759f27e1d8f3.tar.gz scala-b4e1a308f81d48b72ba90b7a8594759f27e1d8f3.tar.bz2 scala-b4e1a308f81d48b72ba90b7a8594759f27e1d8f3.zip |
SI-5900 Pending test to show that SI-7886 persists
qbin/scalac test/pending/neg/t7886b.scala && qbin/scala Test
java.lang.ClassCastException: java.lang.Integer cannot be cast to java.lang.String
at Test$$anon$1.accept(t7886b.scala:15)
at Test$.g(t7886b.scala:9)
Diffstat (limited to 'test/pending')
-rw-r--r-- | test/pending/neg/t7886b.scala | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/test/pending/neg/t7886b.scala b/test/pending/neg/t7886b.scala new file mode 100644 index 0000000000..1db8be9821 --- /dev/null +++ b/test/pending/neg/t7886b.scala @@ -0,0 +1,23 @@ +trait Covariant[+A] +trait Contra[-A] { def accept(p: A): Unit } +trait Invariant[A] extends Covariant[A] with Contra[A] + +trait T +case class Unravel[A](m: Contra[A], msg: A) extends T + +object Test extends Covariant[Any] { + def g(m: Contra[Any]): Unit = m accept 5 + def f(x: T): Unit = x match { + case Unravel(m, msg) => g(m) + case _ => + } + def main(args: Array[String]) { + f(Unravel[String](new Contra[String] { def accept(x: String) = x.length }, "")) + } +} +// java.lang.ClassCastException: java.lang.Integer cannot be cast to java.lang.String +// at Test$$anon$1.accept(a.scala:18) +// at Test$.g(a.scala:13) +// at Test$.f(a.scala:15) +// at Test$.main(a.scala:18) +// at Test.main(a.scala) |