1 files changed, 51 insertions, 0 deletions
diff --git a/tests/run/caseclasses.scala b/tests/run/caseclasses.scala
new file mode 100644
index 000000000..f94bcab95
--- /dev/null
+++ b/tests/run/caseclasses.scala
@@ -0,0 +1,51 @@
+case class Foo(x: Int)(y: Int)
+
+case class Bar()
+
+abstract class Base
+abstract case class Abs(x: Int) extends Base
+
+object M {
+  abstract case class C(x: String) {}
+  object C extends (String => C) {
+    def apply(x: String): C = {
+      println("creating C("+x+")")
+      new C(x) {}
+    }
+  }
+}
+
+object Test extends dotty.runtime.LegacyApp {
+
+  def Abs(x: Int) = new Abs(x * 2){}
+  Abs(2) match {
+    case Abs(4) => ;
+  }
+
+  def fn[a,b](x: a => b) = x;
+  val f = fn(Foo(1))
+  (f(2): AnyRef) match {
+    case Foo(1) => Console.println("OK")
+    case Bar() => Console.println("NO")
+  }
+  try {
+    Bar() productElement 3
+    throw new NullPointerException("duh")
+  } catch {
+    case x:IndexOutOfBoundsException =>
+  }
+
+  M.C("hi") match {
+    case M.C("hi") => println("OK")
+    case _ => println("NO")
+  }
+
+  try {
+    f(2) productElement 3
+    throw new NullPointerException("duh")
+  } catch {
+    case x:IndexOutOfBoundsException =>
+  }
+
+}
+