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-rw-r--r--src/test/ui/deriving/deriving-cmp-generic-struct.rs40
1 files changed, 40 insertions, 0 deletions
diff --git a/src/test/ui/deriving/deriving-cmp-generic-struct.rs b/src/test/ui/deriving/deriving-cmp-generic-struct.rs
new file mode 100644
index 000000000..538caf439
--- /dev/null
+++ b/src/test/ui/deriving/deriving-cmp-generic-struct.rs
@@ -0,0 +1,40 @@
+// run-pass
+#[derive(PartialEq, Eq, PartialOrd, Ord)]
+struct S<T> {
+ x: T,
+ y: T
+}
+
+pub fn main() {
+ let s1 = S {x: 1, y: 1};
+ let s2 = S {x: 1, y: 2};
+
+ // in order for both PartialOrd and Ord
+ let ss = [s1, s2];
+
+ for (i, s1) in ss.iter().enumerate() {
+ for (j, s2) in ss.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!(*s1 == *s2, eq);
+ assert_eq!(*s1 != *s2, !eq);
+
+ // PartialOrd
+ assert_eq!(*s1 < *s2, lt);
+ assert_eq!(*s1 > *s2, gt);
+
+ assert_eq!(*s1 <= *s2, le);
+ assert_eq!(*s1 >= *s2, ge);
+
+ // Ord
+ assert_eq!(s1.cmp(s2), ord);
+ }
+ }
+}