1 files changed, 23 insertions, 0 deletions
diff --git a/test/files/run/canEqualCaseClasses.scala b/test/files/run/canEqualCaseClasses.scala
new file mode 100644
index 0000000000..b1c3eb91de
--- /dev/null
+++ b/test/files/run/canEqualCaseClasses.scala
@@ -0,0 +1,23 @@
+object Test {
+  case class Foo(x: Int)
+  case class Bar(y: Int) extends Foo(y)
+  case class Nutty() {
+    override def canEqual(other: Any) = true
+  }
+
+  def assertEqual(x: AnyRef, y: AnyRef) =
+    assert((x == y) && (y == x) && (x.hashCode == y.hashCode))
+
+  def assertUnequal(x: AnyRef, y: AnyRef) =
+    assert((x != y) && (y != x))
+
+  def main(args: Array[String]): Unit = {
+    assertEqual(Foo(5), Foo(5))
+    assertEqual(Bar(5), Bar(5))
+    assertUnequal(Foo(5), Bar(5))
+
+    // in case there's an overriding implementation
+    assert(Nutty() canEqual (new AnyRef))
+    assert(!(Foo(5) canEqual (new AnyRef)))
+  }
+}