1 files changed, 26 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/WeakMap/no-iterable.js b/js/src/tests/test262/built-ins/WeakMap/no-iterable.js
new file mode 100644
index 0000000000..8e891a99e0
--- /dev/null
+++ b/js/src/tests/test262/built-ins/WeakMap/no-iterable.js
@@ -0,0 +1,26 @@
+// 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-weakmap-iterable
+description: >
+  If the iterable argument is undefined, return new WeakMap object.
+info: |
+  WeakMap ( [ iterable ] )
+
+  ...
+  5. If iterable is not present, let iterable be undefined.
+  6. If iterable is either undefined or null, let iter be undefined.
+  ...
+  8. If iter is undefined, return map.
+  ...
+---*/
+
+var a = new WeakMap();
+var b = new WeakMap(undefined);
+var c = new WeakMap(null);
+
+assert.sameValue(Object.getPrototypeOf(a), WeakMap.prototype);
+assert.sameValue(Object.getPrototypeOf(b), WeakMap.prototype);
+assert.sameValue(Object.getPrototypeOf(c), WeakMap.prototype);
+
+reportCompare(0, 0);