| // Copyright (C) 2015 the V8 project authors. All rights reserved. |
| // This code is governed by the BSD license found in the LICENSE file. |
| |
| /*--- |
| es6id: 21.2.5.11 |
| description: Length coercion of `lastIndex` property of splitter after a match |
| info: | |
| [...] |
| 24. Repeat, while q < size |
| a. Let setStatus be Set(splitter, "lastIndex", q, true). |
| [...] |
| c. Let z be RegExpExec(splitter, S). |
| [...] |
| f. Else z is not null, |
| i. Let e be ToLength(Get(splitter, "lastIndex")). |
| [...] |
| features: [Symbol.split, Symbol.species] |
| ---*/ |
| |
| var result; |
| var obj = { |
| constructor: function() {} |
| }; |
| var fakeRe = { |
| set lastIndex(_) {}, |
| get lastIndex() { |
| return { |
| valueOf: function() { |
| return 2.9; |
| } |
| }; |
| }, |
| exec: function() { |
| return []; |
| } |
| }; |
| obj.constructor[Symbol.species] = function() { |
| return fakeRe; |
| }; |
| |
| result = RegExp.prototype[Symbol.split].call(obj, 'abcd'); |
| |
| assert(Array.isArray(result)); |
| assert.sameValue(result.length, 2); |
| assert.sameValue(result[0], ''); |
| assert.sameValue(result[1], 'cd'); |