| Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1 | // Copyright 2014 the V8 project authors. All rights reserved. |
| 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | // Flags: --allow-natives-syntax |
| 6 | |
| 7 | function push_wrapper(array, value) { |
| 8 | array.push(value); |
| 9 | } |
| 10 | |
| 11 | // Test that optimization of Array.push() for non-Arrays works correctly. |
| 12 | var object = { x : 8, length: 3 }; |
| 13 | object[18] = 5; |
| 14 | object.__proto__ = Array.prototype; |
| 15 | push_wrapper(object, 1); |
| 16 | push_wrapper(object, 1); |
| 17 | assertEquals(5, object.length); |
| 18 | %OptimizeFunctionOnNextCall(push_wrapper); |
| 19 | push_wrapper(object, 1); |
| 20 | push_wrapper(object, 1); |
| 21 | assertEquals(8, object.x); |
| 22 | assertEquals(7, object.length); |