1 files changed, 38 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/for-of/map.js b/js/src/tests/test262/language/statements/for-of/map.js
new file mode 100644
index 0000000000..c7a936192c
--- /dev/null
+++ b/js/src/tests/test262/language/statements/for-of/map.js
@@ -0,0 +1,38 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: Map traversal using for..of
+info: |
+    Map instances should be able to be traversed using a `for...of` loop.
+es6id: 13.6.4
+features: [Map]
+---*/
+
+var map = new Map();
+var obj = {};
+var iterationCount = 0;
+
+var first = [0, 'a'];
+var second = [true, false];
+var third = [null, undefined];
+var fourth = [NaN, obj];
+
+map.set(0, 'a');
+map.set(true, false);
+map.set(null, undefined);
+map.set(NaN, obj);
+
+for (var x of map) {
+  assert.sameValue(x[0], first[0]);
+  assert.sameValue(x[1], first[1]);
+  first = second;
+  second = third;
+  third = fourth;
+  fourth = null;
+  iterationCount += 1;
+}
+
+assert.sameValue(iterationCount, 4);
+
+reportCompare(0, 0);