1 files changed, 48 insertions, 0 deletions
diff --git a/tests/ui/deriving/deriving-cmp-generic-struct-enum.rs b/tests/ui/deriving/deriving-cmp-generic-struct-enum.rs
new file mode 100644
index 00000000000..eeaf2ff7efa
--- /dev/null
+++ b/tests/ui/deriving/deriving-cmp-generic-struct-enum.rs
@@ -0,0 +1,48 @@
+// run-pass
+#[derive(PartialEq, Eq, PartialOrd, Ord)]
+enum ES<T> {
+    ES1 { x: T },
+    ES2 { x: T, y: T }
+}
+
+
+pub fn main() {
+    let (es11, es12, es21, es22) = (ES::ES1 {
+        x: 1
+    }, ES::ES1 {
+        x: 2
+    }, ES::ES2 {
+        x: 1,
+        y: 1
+    }, ES::ES2 {
+        x: 1,
+        y: 2
+    });
+
+    // in order for both PartialOrd and Ord
+    let ess = [es11, es12, es21, es22];
+
+    for (i, es1) in ess.iter().enumerate() {
+        for (j, es2) in ess.iter().enumerate() {
+            let ord = i.cmp(&j);
+
+            let eq = i == j;
+            let (lt, le) = (i < j, i <= j);
+            let (gt, ge) = (i > j, i >= j);
+
+            // PartialEq
+            assert_eq!(*es1 == *es2, eq);
+            assert_eq!(*es1 != *es2, !eq);
+
+            // PartialOrd
+            assert_eq!(*es1 < *es2, lt);
+            assert_eq!(*es1 > *es2, gt);
+
+            assert_eq!(*es1 <= *es2, le);
+            assert_eq!(*es1 >= *es2, ge);
+
+            // Ord
+            assert_eq!(es1.cmp(es2), ord);
+        }
+    }
+}