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 5// Flags: --harmony-regexp-subclass 6 7var pattern = {}; 8pattern[Symbol.match] = function(string) { 9 return string.length; 10}; 11// Check object coercible fails. 12assertThrows(() => String.prototype.match.call(null, pattern), 13 TypeError); 14// Override is called. 15assertEquals(5, "abcde".match(pattern)); 16// Non-callable override. 17pattern[Symbol.match] = "dumdidum"; 18assertThrows(() => "abcde".match(pattern), TypeError); 19 20assertEquals("[Symbol.match]", RegExp.prototype[Symbol.match].name); 21