test262/test/built-ins/WeakSet/symbol-disallowed-as-weakset-key.js
Rick Waldron 59e2a7ac57 Import tests from Google V8 (Symbol)
These tests are derived from the following files within the Google V8 project:

	test/mjsunit/harmony/private.js
2015-04-07 16:53:18 -04:00

17 lines
374 B
JavaScript

// Copyright (C) Copyright 2013 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
es6id: 23.4.3.1_S2
description: >
Symbol may not be used as a WeakSet entry
features: [WeakSet]
---*/
var weakset = new WeakSet();
var sym = Symbol();
assert.throws(TypeError, function() {
weakset.add(sym);
});