js/src/tests/js1_5/Regress/regress-256798.js

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1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2 /* This Source Code Form is subject to the terms of the Mozilla Public
3 * License, v. 2.0. If a copy of the MPL was not distributed with this
4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
5
6 //-----------------------------------------------------------------------------
7 var BUGNUMBER = 256798;
8 var summary = 'regexp zero-width positive lookahead';
9 var actual = '';
10 var expect = '';
11
12 printBugNumber(BUGNUMBER);
13 printStatus (summary);
14
15 var status;
16
17 status = summary + ' ' + inSection(1);
18 expect = 'aaaa,a';
19 actual = /(?:(a)+)/.exec("baaaa") + '';
20 reportCompare(expect, actual, status);
21
22 status = summary + ' ' + inSection(2);
23 expect = ',aaa';
24 actual = /(?=(a+))/.exec("baaabac") + '';
25 reportCompare(expect, actual, status);
26
27 status = summary + ' ' + inSection(3);
28 expect = 'b,aaa';
29 actual = /b(?=(a+))/.exec("baaabac") + '';
30 reportCompare(expect, actual, status);
31
32 // XXXbc revisit this
33 status = summary + ' ' + inSection(4);
34 expect = 'null';
35 actual = /b(?=(b+))/.exec("baaabac") + '';
36 reportCompare(expect, actual, status);

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