| // Copyright 2019 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. |
| |
| // Test that fast COW arrays are properly handled by Array#sort. |
| |
| function COWSort() { |
| const array = ["cc", "c", "aa", "bb", "b", "ab", "ac"]; |
| array.sort(); |
| return array; |
| } |
| |
| assertArrayEquals(["aa", "ab", "ac", "b", "bb", "c", "cc"], COWSort()); |
| |
| Array.prototype.sort = () => {}; |
| |
| assertArrayEquals(["cc", "c", "aa", "bb", "b", "ab", "ac"], COWSort()); |
