| // Copyright (C) 2015 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 | |
| esid: sec-weakset.prototype.add | |
| description: Returns `this` after adding a new value. | |
| info: | | |
| WeakSet.prototype.add ( value ) | |
| 1. Let S be this value. | |
| ... | |
| 8. Return S. | |
| ---*/ | |
| var s = new WeakSet(); | |
| assert.sameValue(s.add({}), s, '`s.add({})` returns `s`'); |