1// Copyright 2015 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 5var pattern = { 6 [Symbol.replace]: (string, newValue) => string + newValue 7}; 8// Check object coercible fails. 9assertThrows(() => String.prototype.replace.call(null, pattern, "x"), 10 TypeError); 11// Override is called. 12assertEquals("abcdex", "abcde".replace(pattern, "x")); 13// Non-callable override. 14pattern[Symbol.replace] = "dumdidum"; 15assertThrows(() => "abcde".replace(pattern, "x"), TypeError); 16 17assertEquals("[Symbol.replace]", RegExp.prototype[Symbol.replace].name); 18