| // Copyright 2015 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. |
| |
| var pattern = {}; |
| pattern[Symbol.match] = function(string) { |
| return string.length; |
| }; |
| // Check object coercible fails. |
| assertThrows(() => String.prototype.match.call(null, pattern), |
| TypeError); |
| // Override is called. |
| assertEquals(5, "abcde".match(pattern)); |
| // Non-callable override. |
| pattern[Symbol.match] = "dumdidum"; |
| assertThrows(() => "abcde".match(pattern), TypeError); |
| |
| assertEquals("[Symbol.match]", RegExp.prototype[Symbol.match].name); |