1 files changed, 29 insertions, 0 deletions
diff --git a/tests/run/comparable-comparator.scala b/tests/run/comparable-comparator.scala
new file mode 100644
index 000000000..f059cc52f
--- /dev/null
+++ b/tests/run/comparable-comparator.scala
@@ -0,0 +1,29 @@
+
+object Test {
+  import java.util.Comparator
+
+  class C1(val s: String) extends Comparable[C1] {
+    def compareTo(other: C1) = s compareTo other.s
+    override def toString = s
+  }
+  class C2(val s: String) {
+    def compareTo(other: C2) = s compareTo other.s
+    override def toString = s
+  }
+
+  implicit val cmp: Comparator[C2] = new Comparator[C2] {
+    def compare(p1: C2, p2: C2) = p2.s compareTo p1.s
+  }
+
+  val words = "zip foo bar baz aggle bing bong" split ' '
+  val strs = words.toList
+  val c1s = strs map (x => new C1(x))
+  val c2s = strs map (x => new C2(x))
+
+  val sorted1 = c1s.sorted map (_.s)
+  val sorted2 = c2s.sorted map (_.s)
+
+  def main(args: Array[String]): Unit = {
+    assert(sorted1 == sorted2.reverse)
+  }
+}