1 files changed, 20 insertions, 0 deletions
diff --git a/deps/v8/test/mjsunit/es6/map-iterator-6.js b/deps/v8/test/mjsunit/es6/map-iterator-6.js
new file mode 100644
index 0000000000..6611e7aca0
--- /dev/null
+++ b/deps/v8/test/mjsunit/es6/map-iterator-6.js
@@ -0,0 +1,20 @@
+// Copyright 2018 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Flags: --allow-natives-syntax --no-stress-opt
+
+var map = new Map([[1,2], [2,3], [3,4]]);
+assertTrue(%MapIteratorProtector());
+assertTrue(%SetIteratorProtector());
+
+var iterator = map.values();
+iterator.next = () => ({done: true});
+
+assertFalse(%MapIteratorProtector());
+assertTrue(%SetIteratorProtector());
+assertEquals([[1,2], [2,3], [3,4]], [...map]);
+assertEquals([[1,2], [2,3], [3,4]], [...map.entries()]);
+assertEquals([1,2,3], [...map.keys()]);
+assertEquals([2,3,4], [...map.values()]);
+assertEquals([], [...iterator]);