1 files changed, 27 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Array/prototype/keys/returns-iterator-from-object.js b/js/src/tests/test262/built-ins/Array/prototype/keys/returns-iterator-from-object.js
new file mode 100644
index 0000000000..d48cc27f94
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/keys/returns-iterator-from-object.js
@@ -0,0 +1,27 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-array.prototype.keys
+description: >
+  Creates an iterator from a custom object.
+info: |
+  22.1.3.13 Array.prototype.keys ( )
+
+  1. Let O be ToObject(this value).
+  2. ReturnIfAbrupt(O).
+  3. Return CreateArrayIterator(O, "key").
+features: [Symbol.iterator]
+---*/
+
+var obj = {
+  length: 2
+};
+var iter = Array.prototype.keys.call(obj);
+var ArrayIteratorProto = Object.getPrototypeOf([][Symbol.iterator]());
+
+assert.sameValue(
+  Object.getPrototypeOf(iter), ArrayIteratorProto,
+  'The prototype of [].keys() is %ArrayIteratorPrototype%'
+);
+
+reportCompare(0, 0);