Add test for Wrapping<T>

rust-lang · Apr 16, 2017 · e47c971 · e47c971
1 parent 0d5984e
commit e47c971
Showing 1 changed file with 9 additions and 0 deletions.
diff --git a/src/test/run-pass/num-wrapping.rs b/src/test/run-pass/num-wrapping.rs
@@ -173,6 +173,15 @@ fn test_op_assigns() {
                 tmp.$op(Wrapping($rhs));
                 assert_eq!(black_box(tmp), Wrapping($ans));
             }
+
+            // also test that a &Wrapping<T> right-hand side is possible
+            {
+                let mut tmp = Wrapping($initial);
+                tmp = black_box(tmp);
+                tmp.$op(&Wrapping($rhs));
+                assert_eq!(black_box(tmp), Wrapping($ans));
+            }
+
             // FIXME(30524): Uncomment this test
             /*
             {