| // 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.prototype.copywithin | |
| description: > | |
| Returns `this`. | |
| info: | | |
| 22.1.3.3 Array.prototype.copyWithin (target, start [ , end ] ) | |
| 18. Return O. | |
| ---*/ | |
| var arr = []; | |
| var result = arr.copyWithin(0, 0); | |
| assert.sameValue(result, arr); | |
| var o = { | |
| length: 0 | |
| }; | |
| result = Array.prototype.copyWithin.call(o, 0, 0); | |
| assert.sameValue(result, o); |