1 files changed, 16 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/WeakMap/prototype-of-weakmap.js b/js/src/tests/test262/built-ins/WeakMap/prototype-of-weakmap.js
new file mode 100644
index 0000000000..41131ea439
--- /dev/null
+++ b/js/src/tests/test262/built-ins/WeakMap/prototype-of-weakmap.js
@@ -0,0 +1,16 @@
+// 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-properties-of-the-weakmap-constructor
+description: >
+  The value of the [[Prototype]] internal slot of the WeakMap constructor is the
+  intrinsic object %FunctionPrototype% (19.2.3).
+---*/
+
+assert.sameValue(
+  Object.getPrototypeOf(WeakMap),
+  Function.prototype,
+  '`Object.getPrototypeOf(WeakMap)` returns `Function.prototype`'
+);
+
+reportCompare(0, 0);