1 files changed, 21 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/WeakMap/prototype/delete/returns-false-when-object-key-not-present.js b/js/src/tests/test262/built-ins/WeakMap/prototype/delete/returns-false-when-object-key-not-present.js
new file mode 100644
index 0000000000..3ec2d9bebd
--- /dev/null
+++ b/js/src/tests/test262/built-ins/WeakMap/prototype/delete/returns-false-when-object-key-not-present.js
@@ -0,0 +1,21 @@
+// 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.prototype.delete
+description: >
+  Return false if an Object key is not in the WeakMap.
+info: |
+  WeakMap.prototype.delete ( _key_ )
+  6. Return *false*.
+features: [WeakMap]
+---*/
+
+var map = new WeakMap();
+var foo = {};
+var bar = {};
+
+map.set(foo, 42);
+
+assert.sameValue(map.delete(bar), false);
+
+reportCompare(0, 0);