| // Copyright (C) 2015 the V8 project authors. All rights reserved. |
| // This code is governed by the BSD license found in the LICENSE file. |
| |
| /*--- |
| description: Resets the `lastIndex` property to zero after a match failure |
| es6id: 21.2.5.6 |
| info: | |
| 21.2.5.6 RegExp.prototype [ @@match ] ( string ) |
| |
| [...] |
| 5. Let global be ToBoolean(Get(rx, "global")). |
| 6. ReturnIfAbrupt(global). |
| 7. If global is false, then |
| a. Return RegExpExec(rx, S). |
| |
| 21.2.5.2.2 Runtime Semantics: RegExpBuiltinExec ( R, S ) |
| |
| [...] |
| 4. Let lastIndex be ToLength(Get(R,"lastIndex")). |
| [...] |
| 8. Let sticky be ToBoolean(Get(R, "sticky")). |
| [...] |
| 15. Repeat, while matchSucceeded is false |
| [...] |
| b. Let r be matcher(S, lastIndex). |
| c. If r is failure, then |
| i. If sticky is true, then |
| 1. Let setStatus be Set(R, "lastIndex", 0, true). |
| features: [Symbol.match] |
| ---*/ |
| |
| var r = /c/y; |
| r.lastIndex = 1; |
| |
| r[Symbol.match]('abc'); |
| |
| assert.sameValue(r.lastIndex, 0); |