| Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1 | // Copyright 2015 the V8 project authors. All rights reserved. |
| 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | // Should not time out. Running time 0.5s vs. 120s before the change. |
| 6 | function collapse(flags) { |
| 7 | var src = "(?:"; |
| 8 | for (var i = 128; i < 0x1000; i++) { |
| 9 | src += String.fromCharCode(96 + i % 26) + String.fromCharCode(i) + "|"; |
| 10 | } |
| 11 | src += "aa)"; |
| 12 | var collapsible = new RegExp(src, flags); |
| 13 | var subject = "zzzzzzz" + String.fromCharCode(3000); |
| 14 | for (var i = 0; i < 1000; i++) { |
| 15 | subject += "xxxxxxx"; |
| 16 | } |
| 17 | for (var i = 0; i < 2000; i++) { |
| 18 | assertFalse(collapsible.test(subject)); |
| 19 | } |
| 20 | } |
| 21 | |
| 22 | collapse("i"); |
| 23 | collapse(""); |