1 files changed, 16 insertions, 0 deletions
diff --git a/src/test/ui/deriving/deriving-via-extension-enum.rs b/src/test/ui/deriving/deriving-via-extension-enum.rs
new file mode 100644
index 000000000..6b58fd966
--- /dev/null
+++ b/src/test/ui/deriving/deriving-via-extension-enum.rs
@@ -0,0 +1,16 @@
+// run-pass
+#![allow(dead_code)]
+#[derive(PartialEq, Debug)]
+enum Foo {
+    Bar(isize, isize),
+    Baz(f64, f64)
+}
+
+pub fn main() {
+    let a = Foo::Bar(1, 2);
+    let b = Foo::Bar(1, 2);
+    assert_eq!(a, b);
+    assert!(!(a != b));
+    assert!(a.eq(&b));
+    assert!(!a.ne(&b));
+}