1 files changed, 22 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/WeakSet/prototype/has/returns-false-when-value-cannot-be-held-weakly.js b/js/src/tests/test262/built-ins/WeakSet/prototype/has/returns-false-when-value-cannot-be-held-weakly.js
new file mode 100644
index 0000000000..257a3084e6
--- /dev/null
+++ b/js/src/tests/test262/built-ins/WeakSet/prototype/has/returns-false-when-value-cannot-be-held-weakly.js
@@ -0,0 +1,22 @@
+// 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-weakset.prototype.has
+description: >
+  Returns false if value cannot be held weakly.
+info: |
+  WeakSet.prototype.has ( _value_ )
+  4. If CanBeHeldWeakly(_value_) is *false*, return *false*.
+features: [Symbol, WeakSet]
+---*/
+
+var s = new WeakSet();
+
+assert.sameValue(s.has(1), false);
+assert.sameValue(s.has(''), false);
+assert.sameValue(s.has(null), false);
+assert.sameValue(s.has(undefined), false);
+assert.sameValue(s.has(true), false);
+assert.sameValue(s.has(Symbol.for('registered symbol')), false, 'Registered symbol not allowed as value');
+
+reportCompare(0, 0);