| // Copyright 2014 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. |
| |
| // Flags: --allow-natives-syntax |
| |
| var v = 0; |
| |
| function push_wrapper(array, value) { |
| array.push(value); |
| } |
| function pop_wrapper(array) { |
| return array.pop(); |
| } |
| |
| // Test that Object.observe() notification events are properly sent from |
| // Array.push() and Array.pop() both from optimized and un-optimized code. |
| var array = []; |
| |
| function somethingChanged(changes) { |
| v++; |
| } |
| |
| Object.observe(array, somethingChanged); |
| push_wrapper(array, 1); |
| %RunMicrotasks(); |
| assertEquals(1, array.length); |
| assertEquals(1, v); |
| push_wrapper(array, 1); |
| %RunMicrotasks(); |
| assertEquals(2, array.length); |
| assertEquals(2, v); |
| %OptimizeFunctionOnNextCall(push_wrapper); |
| push_wrapper(array, 1); |
| %RunMicrotasks(); |
| assertEquals(3, array.length); |
| assertEquals(3, v); |
| push_wrapper(array, 1); |
| %RunMicrotasks(); |
| assertEquals(4, array.length); |
| assertEquals(4, v); |
| |
| pop_wrapper(array); |
| %RunMicrotasks(); |
| assertEquals(3, array.length); |
| assertEquals(5, v); |
| pop_wrapper(array); |
| %RunMicrotasks(); |
| assertEquals(2, array.length); |
| assertEquals(6, v); |
| %OptimizeFunctionOnNextCall(pop_wrapper); |
| pop_wrapper(array); |
| %RunMicrotasks(); |
| assertEquals(1, array.length); |
| assertEquals(7, v); |
| pop_wrapper(array); |
| %RunMicrotasks(); |
| assertEquals(0, array.length); |
| assertEquals(8, v); |