The Tor Browser / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/js/src/tests/js1_5/GC/regress-383269-02.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,66 @@
     1.4 +// |reftest| skip -- unreliable - based on GC timing
     1.5 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
     1.6 +/* This Source Code Form is subject to the terms of the Mozilla Public
     1.7 + * License, v. 2.0. If a copy of the MPL was not distributed with this
     1.8 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
     1.9 +
    1.10 +//-----------------------------------------------------------------------------
    1.11 +var BUGNUMBER = 383269;
    1.12 +var summary = 'Leak related to arguments object';
    1.13 +var actual = 'No Leak';
    1.14 +var expect = 'No Leak';
    1.15 +
    1.16 +
    1.17 +//-----------------------------------------------------------------------------
    1.18 +test();
    1.19 +//-----------------------------------------------------------------------------
    1.20 +
    1.21 +function test()
    1.22 +{
    1.23 +  enterFunc ('test');
    1.24 +  printBugNumber(BUGNUMBER);
    1.25 +  printStatus (summary);
    1.26 + 
    1.27 +  function generate_big_object_graph()
    1.28 +  {
    1.29 +    var root = {};
    1.30 +    f(root, 17);
    1.31 +    return root;
    1.32 +    function f(parent, depth) {
    1.33 +      if (depth == 0)
    1.34 +        return;
    1.35 +      --depth;
    1.36 +      f(parent.a = {}, depth);
    1.37 +      f(parent.b = {}, depth);
    1.38 +    }
    1.39 +  }
    1.40 +
    1.41 +  function f(obj) {
    1.42 +    with (obj)
    1.43 +      return arguments;
    1.44 +  }
    1.45 +
    1.46 +  function timed_gc()
    1.47 +  {
    1.48 +    var t1 = Date.now();
    1.49 +    gc();
    1.50 +    return Date.now() - t1;
    1.51 +  }
    1.52 +
    1.53 +  var x = f({});
    1.54 +  x = null;
    1.55 +  gc();
    1.56 +  var base_time = timed_gc();
    1.57 +
    1.58 +  x = f(generate_big_object_graph());
    1.59 +  x = null;
    1.60 +  gc();
    1.61 +  var time = timed_gc();
    1.62 +
    1.63 +  if (time > (base_time + 10) * 3)
    1.64 +    actual = "generate_big_object_graph() leaked, base_gc_time="+base_time+", last_gc_time="+time;
    1.65 +
    1.66 +  reportCompare(expect, actual, summary);
    1.67 +
    1.68 +  exitFunc ('test');
    1.69 +}