| // 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: Setting `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")). |
| [...] |
| iv. Else e ≠ p, |
| [...] |
| 6. Let p be e. |
| [...] |
| 12. Let q be p. |
| features: [Symbol.split, Symbol.species] |
| ---*/ |
| |
| var obj = { |
| constructor: function() {} |
| }; |
| var lastIndex = 0; |
| var indices = ''; |
| var fakeRe = { |
| set lastIndex(val) { |
| lastIndex = val; |
| indices += val + ','; |
| }, |
| get lastIndex() { |
| return lastIndex; |
| }, |
| exec: function() { |
| lastIndex += 1; |
| return ['a']; |
| } |
| }; |
| obj.constructor[Symbol.species] = function() { |
| return fakeRe; |
| }; |
| |
| RegExp.prototype[Symbol.split].call(obj, 'abcd'); |
| |
| assert.sameValue(indices, '0,1,2,3,'); |