1 files changed, 16 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/WeakSet/symbol-disallowed-as-weakset-key.js b/js/src/tests/test262/built-ins/WeakSet/symbol-disallowed-as-weakset-key.js
new file mode 100644
index 0000000000..7d8ba5dea2
--- /dev/null
+++ b/js/src/tests/test262/built-ins/WeakSet/symbol-disallowed-as-weakset-key.js
@@ -0,0 +1,16 @@
+// Copyright (C) 2013 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-weakset.prototype.add
+description: >
+  Symbol may not be used as a WeakSet entry
+features: [Symbol, WeakSet]
+---*/
+var weakset = new WeakSet();
+var sym = Symbol();
+
+assert.throws(TypeError, function() {
+  weakset.add(sym);
+});
+
+reportCompare(0, 0);