| // 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: > |
| Type coercion of "length" property of the value returned by RegExpExec. |
| info: | |
| RegExp.prototype [ @@replace ] ( string, replaceValue ) |
| |
| [...] |
| 14. For each result in results, do |
| a. Let nCaptures be ? LengthOfArrayLike(result). |
| [...] |
| features: [Symbol.replace] |
| ---*/ |
| |
| var r = /./; |
| var coercibleIndex = { |
| length: { |
| valueOf: function() { |
| return 3.9; |
| }, |
| }, |
| 0: '', |
| 1: 'foo', |
| 2: 'bar', |
| 3: 'baz', |
| index: 0, |
| }; |
| r.exec = function() { |
| return coercibleIndex; |
| }; |
| |
| assert.sameValue(r[Symbol.replace]('', '$1$2$3'), 'foobar$3'); |