js/src/tests/js1_5/GC/regress-341877-02.js

Sat, 03 Jan 2015 20:18:00 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Sat, 03 Jan 2015 20:18:00 +0100
branch
TOR_BUG_3246
changeset 7
129ffea94266
permissions
-rw-r--r--

Conditionally enable double key logic according to:
private browsing mode or privacy.thirdparty.isolate preference and
implement in GetCookieStringCommon and FindCookie where it counts...
With some reservations of how to convince FindCookie users to test
condition and pass a nullptr when disabling double key logic.

     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/. */
     6 //-----------------------------------------------------------------------------
     7 var BUGNUMBER = 341877;
     8 var summary = 'GC hazard with for-in loop';
     9 var actual = 'No Crash';
    10 var expect = 'No Crash';
    12 printBugNumber(BUGNUMBER);
    13 printStatus (summary);
    15 var obj = { };
    17 var prop = "xsomePropety".substr(1);
    19 obj.first = "first"
    21   obj[prop] = 1;
    23 for (var elem in obj) {
    24   var tmp = elem.toString();
    25   delete obj[prop];
    26   // ensure that prop is cut from all roots
    27   prop = "xsomePropety".substr(2);
    28   obj[prop] = 2;
    29   delete obj[prop];
    30   prop = null;
    31   if (typeof gc == 'function')
    32     gc();
    33   for (var i = 0; i != 50000; ++i) {
    34     var tmp = 1 / 3;
    35     tmp /= 10;
    36   }
    37   for (var i = 0; i != 1000; ++i) {
    38     // Make string with 11 characters that would take
    39     // (11 + 1) * 2 bytes or sizeof(JSAtom) so eventually
    40     // malloc will ovewrite just freed atoms.
    41     var tmp2 = Array(12).join(' ');
    42   }
    43 }
    45 reportCompare(expect, actual, summary);

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