2 files changed, 32 insertions, 0 deletions
diff --git a/test/files/run/mock.check b/test/files/run/mock.check
new file mode 100644
index 0000000000..967c4e20bb
--- /dev/null
+++ b/test/files/run/mock.check
@@ -0,0 +1,3 @@
+Hi, thanks for calling: that makes 1 times.
+Hi, thanks for calling: that makes 2 times.
+Hi, thanks for calling: that makes 3 times.
diff --git a/test/files/run/mock.scala b/test/files/run/mock.scala
new file mode 100644
index 0000000000..e414e51e2d
--- /dev/null
+++ b/test/files/run/mock.scala
@@ -0,0 +1,29 @@
+import scala.tools.reflect._
+import java.util.concurrent.Callable
+import java.io.Closeable
+
+object Test {
+  // It'd be really nice about now if functions had a common parent.
+  implicit def interfaceify(x: AnyRef): UniversalFn = UniversalFn(x)
+
+  def runner(x: Runnable) = x.run()
+  def caller[T](x: Callable[T]): T = x.call()
+  def closer(x: Closeable) = x.close()
+
+  def main(args: Array[String]): Unit = {
+    var counter = 0
+    val closure = () => {
+      counter += 1
+      println("Hi, thanks for calling: that makes " + counter + " times.")
+      counter
+    }
+
+    val int1 = closure.as[Runnable]
+    val int2 = closure.as[Callable[Int]]
+    val int3 = closure.as[Closeable]
+
+    runner(int1)
+    caller(int2)
+    closer(int3)
+  }
+}