1 files changed, 38 insertions, 0 deletions
diff --git a/tests/ui/deriving/deriving-cmp-generic-tuple-struct.rs b/tests/ui/deriving/deriving-cmp-generic-tuple-struct.rs
new file mode 100644
index 000000000..79f58d456
--- /dev/null
+++ b/tests/ui/deriving/deriving-cmp-generic-tuple-struct.rs
@@ -0,0 +1,38 @@
+// run-pass
+#[derive(PartialEq, Eq, PartialOrd, Ord)]
+struct TS<T>(T,T);
+
+
+pub fn main() {
+    let ts1 = TS(1, 1);
+    let ts2 = TS(1, 2);
+
+    // in order for both PartialOrd and Ord
+    let tss = [ts1, ts2];
+
+    for (i, ts1) in tss.iter().enumerate() {
+        for (j, ts2) in tss.iter().enumerate() {
+            let ord = i.cmp(&j);
+
+            let eq = i == j;
+            let lt = i < j;
+            let le = i <= j;
+            let gt = i > j;
+            let ge = i >= j;
+
+            // PartialEq
+            assert_eq!(*ts1 == *ts2, eq);
+            assert_eq!(*ts1 != *ts2, !eq);
+
+            // PartialOrd
+            assert_eq!(*ts1 < *ts2, lt);
+            assert_eq!(*ts1 > *ts2, gt);
+
+            assert_eq!(*ts1 <= *ts2, le);
+            assert_eq!(*ts1 >= *ts2, ge);
+
+            // Ord
+            assert_eq!(ts1.cmp(ts2), ord);
+        }
+    }
+}