1 files changed, 16 insertions, 0 deletions
diff --git a/tests/ui/deriving/deriving-via-extension-struct.rs b/tests/ui/deriving/deriving-via-extension-struct.rs
new file mode 100644
index 00000000000..f4d8b16a02f
--- /dev/null
+++ b/tests/ui/deriving/deriving-via-extension-struct.rs
@@ -0,0 +1,16 @@
+// run-pass
+#[derive(PartialEq, Debug)]
+struct Foo {
+    x: isize,
+    y: isize,
+    z: isize,
+}
+
+pub fn main() {
+    let a = Foo { x: 1, y: 2, z: 3 };
+    let b = Foo { x: 1, y: 2, z: 3 };
+    assert_eq!(a, b);
+    assert!(!(a != b));
+    assert!(a.eq(&b));
+    assert!(!a.ne(&b));
+}