| // Copyright (C) 2015 the V8 project authors. All rights reserved. |
| // This code is governed by the BSD license found in the LICENSE file. |
| |
| /*--- |
| esid: sec-regexp.prototype-@@replace |
| description: > |
| Integer coercion of "index" property of the value returned by RegExpExec. |
| info: | |
| RegExp.prototype [ @@replace ] ( string, replaceValue ) |
| |
| [...] |
| 14. For each result in results, do |
| [...] |
| e. Let position be ? ToInteger(? Get(result, "index")). |
| [...] |
| k. If functionalReplace is true, then |
| i. Let replacerArgs be « matched ». |
| ii. Append in list order the elements of captures to the end of the List replacerArgs. |
| iii. Append position and S to replacerArgs. |
| [...] |
| v. Let replValue be ? Call(replaceValue, undefined, replacerArgs). |
| features: [Symbol.replace] |
| ---*/ |
| |
| var r = /./; |
| var coercibleIndex = { |
| length: 1, |
| 0: '', |
| index: { |
| valueOf: function() { |
| return 2.9; |
| }, |
| }, |
| }; |
| r.exec = function() { |
| return coercibleIndex; |
| }; |
| |
| var replacer = function(_matched, position) { |
| return position; |
| }; |
| |
| assert.sameValue(r[Symbol.replace]('abcd', replacer), 'ab2cd'); |