// 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());