1 files changed, 23 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/WeakMap/prototype/delete/returns-false-if-key-cannot-be-held-weakly.js b/js/src/tests/test262/built-ins/WeakMap/prototype/delete/returns-false-if-key-cannot-be-held-weakly.js
new file mode 100644
index 0000000000..aea214c53c
--- /dev/null
+++ b/js/src/tests/test262/built-ins/WeakMap/prototype/delete/returns-false-if-key-cannot-be-held-weakly.js
@@ -0,0 +1,23 @@
+// 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 the key cannot be held weakly.
+info: |
+  WeakMap.prototype.delete ( _key_ )
+  5. If CanBeHeldWeakly(_key_) is *false*, return *false*.
+features: [Symbol, WeakMap]
+---*/
+
+var map = new WeakMap();
+
+assert.sameValue(map.delete(1), false);
+assert.sameValue(map.delete(''), false);
+assert.sameValue(map.delete(NaN), false);
+assert.sameValue(map.delete(null), false);
+assert.sameValue(map.delete(undefined), false);
+assert.sameValue(map.delete(true), false);
+assert.sameValue(map.delete(Symbol.for('registered symbol')), false, 'registered symbol');
+
+reportCompare(0, 0);