| // Copyright 2016 the V8 project authors. All rights reserved. | |
| // Use of this source code is governed by a BSD-style license that can be | |
| // found in the LICENSE file. | |
| var a = [20, 21, 22, 23]; | |
| a.__proto__ = [10, 11, 12, 13]; | |
| var values = []; | |
| var indices = []; | |
| function callback(value, index, object) { | |
| object.length = 2; | |
| values.push(value); | |
| indices.push(index); | |
| } | |
| a.forEach(callback); | |
| assertEquals([20, 21, 12, 13], values); | |
| assertEquals([0, 1, 2, 3], indices); |