// 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);