js/src/tests/js1_5/GC/regress-341877-02.js@6474c204b198 (annotated)
js/src/tests/js1_5/GC/regress-341877-02.js
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
| michael@0 | 1 | /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
| michael@0 | 2 | /* This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 3 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| michael@0 | 4 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 5 | |
| michael@0 | 6 | //----------------------------------------------------------------------------- |
| michael@0 | 7 | var BUGNUMBER = 341877; |
| michael@0 | 8 | var summary = 'GC hazard with for-in loop'; |
| michael@0 | 9 | var actual = 'No Crash'; |
| michael@0 | 10 | var expect = 'No Crash'; |
| michael@0 | 11 | |
| michael@0 | 12 | printBugNumber(BUGNUMBER); |
| michael@0 | 13 | printStatus (summary); |
| michael@0 | 14 | |
| michael@0 | 15 | var obj = { }; |
| michael@0 | 16 | |
| michael@0 | 17 | var prop = "xsomePropety".substr(1); |
| michael@0 | 18 | |
| michael@0 | 19 | obj.first = "first" |
| michael@0 | 20 | |
| michael@0 | 21 | obj[prop] = 1; |
| michael@0 | 22 | |
| michael@0 | 23 | for (var elem in obj) { |
| michael@0 | 24 | var tmp = elem.toString(); |
| michael@0 | 25 | delete obj[prop]; |
| michael@0 | 26 | // ensure that prop is cut from all roots |
| michael@0 | 27 | prop = "xsomePropety".substr(2); |
| michael@0 | 28 | obj[prop] = 2; |
| michael@0 | 29 | delete obj[prop]; |
| michael@0 | 30 | prop = null; |
| michael@0 | 31 | if (typeof gc == 'function') |
| michael@0 | 32 | gc(); |
| michael@0 | 33 | for (var i = 0; i != 50000; ++i) { |
| michael@0 | 34 | var tmp = 1 / 3; |
| michael@0 | 35 | tmp /= 10; |
| michael@0 | 36 | } |
| michael@0 | 37 | for (var i = 0; i != 1000; ++i) { |
| michael@0 | 38 | // Make string with 11 characters that would take |
| michael@0 | 39 | // (11 + 1) * 2 bytes or sizeof(JSAtom) so eventually |
| michael@0 | 40 | // malloc will ovewrite just freed atoms. |
| michael@0 | 41 | var tmp2 = Array(12).join(' '); |
| michael@0 | 42 | } |
| michael@0 | 43 | } |
| michael@0 | 44 | |
| michael@0 | 45 | reportCompare(expect, actual, summary); |
