| // 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-iterable |
| description: > |
| If the iterable argument is undefined, return new Weakset object. |
| info: | |
| 23.4.1.1 WeakSet ( [ iterable ] ) |
| |
| ... |
| 5. If iterable is not present, let iterable be undefined. |
| 6. If iterable is either undefined or null, let iter be undefined. |
| ... |
| 8. If iter is undefined, return set. |
| ... |
| ---*/ |
| |
| var a = new WeakSet(); |
| var b = new WeakSet(undefined); |
| var c = new WeakSet(null); |
| |
| assert.sameValue(Object.getPrototypeOf(a), WeakSet.prototype); |
| assert.sameValue(Object.getPrototypeOf(b), WeakSet.prototype); |
| assert.sameValue(Object.getPrototypeOf(c), WeakSet.prototype); |
