| // 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 = {toString: () => ""}; | |
| var limit = { value: 3 }; | |
| pattern[Symbol.split] = function(string, limit) { | |
| return string.length * limit.value; | |
| }; | |
| // Check object coercible fails. | |
| assertThrows(() => String.prototype.split.call(null, pattern, limit), | |
| TypeError); | |
| // Override is called. | |
| assertEquals(15, "abcde".split(pattern, limit)); | |
| // Non-callable override. | |
| pattern[Symbol.split] = "dumdidum"; | |
| assertThrows(() => "abcde".split(pattern, limit), TypeError); | |
| // Null override. | |
| pattern[Symbol.split] = null; | |
| assertEquals(["a", "b", "c", "d", "e"], "abcde".split(pattern)); | |
| assertEquals("[Symbol.split]", RegExp.prototype[Symbol.split].name); |