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