| // 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.add |
| description: Throws TypeError if `this` is not Object. |
| info: | |
| WeakSet.prototype.add ( value ) |
| |
| 1. Let S be the this value. |
| 2. If Type(S) is not Object, throw a TypeError exception. |
| |
| ---*/ |
| |
| assert.throws(TypeError, function() { |
| WeakSet.prototype.add.call(undefined, {}); |
| }); |
| |
| assert.throws(TypeError, function() { |
| var s = new WeakSet(); |
| s.add.call(undefined, {}); |
| }); |