js/src/tests/js1_5/extensions/regress-351973.js

Thu, 15 Jan 2015 15:59:08 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Thu, 15 Jan 2015 15:59:08 +0100
branch
TOR_BUG_9701
changeset 10
ac0c01689b40
permissions
-rw-r--r--

Implement a real Private Browsing Mode condition by changing the API/ABI;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.

     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 = 351973;
     8 var summary = 'GC hazard with unrooted ids in Object.toSource';
     9 var actual = 'No Crash';
    10 var expect = 'No Crash';
    13 //-----------------------------------------------------------------------------
    14 test();
    15 //-----------------------------------------------------------------------------
    17 function test()
    18 {
    19   enterFunc ('test');
    20   printBugNumber(BUGNUMBER);
    21   printStatus (summary);
    23   function removeAllProperties(o)
    24   {
    25     for (var prop in o)
    26       delete o[prop];
    27     for (var i = 0; i != 50*1000; ++i) {
    28       var tmp = Math.sqrt(i+0.2);
    29       tmp = 0;
    30     }
    31     if (typeof gc == "function")
    32       gc();
    33   }
    35   function run_test()
    36   {
    38     var o = {};
    39     o.first = { toSource: function() { removeAllProperties(o); } };
    40     for (var i = 0; i != 10; ++i) {
    41       o[Math.sqrt(i + 0.1)] = 1;
    42     }
    43     return o.toSource();
    44   }
    46   print(run_test());
    48   reportCompare(expect, actual, summary);
    50   exitFunc ('test');
    51 }

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