| // 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: > |
| Returns the new WeakSet adding the objects from the iterable parameter. |
| info: | |
| WeakSet ( [ iterable ] ) |
| |
| ... |
| 9. Repeat |
| f. Let status be Call(adder, set, «nextValue»). |
| g. If status is an abrupt completion, return IteratorClose(iter, status). |
| ---*/ |
| |
| var first = {}; |
| var second = {}; |
| var added = []; |
| var add = WeakSet.prototype.add; |
| WeakSet.prototype.add = function(value) { |
| added.push(value); |
| return add.call(this, value); |
| }; |
| var s = new WeakSet([first, second]); |
| |
| assert.sameValue(added.length, 2, 'Called WeakSet#add for each object'); |
| assert.sameValue(added[0], first, 'Adds object in order - first'); |
| assert.sameValue(added[1], second, 'Adds object in order - second'); |
