| // 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-array.of |
| description: > |
| Calls the length setter if available |
| info: | |
| Array.of ( ...items ) |
| |
| ... |
| 9. Let setStatus be Set(A, "length", len, true). |
| ... |
| ---*/ |
| |
| var hits = 0; |
| var value; |
| var _this_; |
| |
| function Pack() { |
| Object.defineProperty(this, "length", { |
| set: function(len) { |
| hits++; |
| value = len; |
| _this_ = this; |
| } |
| }); |
| } |
| |
| var result = Array.of.call(Pack, 'wolves', 'cards', 'cigarettes', 'lies'); |
| |
| assert.sameValue(hits, 1, 'instance length setter called once'); |
| assert.sameValue( |
| value, 4, |
| 'setter is called with the number of Array.of arguments' |
| ); |
| assert.sameValue(_this_, result, 'setter is called with the new object'); |