| // Copyright (C) 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 | |
| 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); | |
| }); |