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/extensions/regress-313763.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,46 @@
     1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
     1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
     1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
     1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
     1.8 +
     1.9 +//-----------------------------------------------------------------------------
    1.10 +var BUGNUMBER = 313763;
    1.11 +var summary = 'Root jsarray.c creatures';
    1.12 +var actual = '';
    1.13 +var expect = '';
    1.14 +
    1.15 +printBugNumber(BUGNUMBER);
    1.16 +printStatus (summary);
    1.17 +printStatus ('This bug requires TOO_MUCH_GC');
    1.18 +
    1.19 +var N = 0x80000002;
    1.20 +var array = Array(N);
    1.21 +array[N - 1] = 1;
    1.22 +array[N - 2] = 2;
    1.23 +
    1.24 +// Set getter not to wait until engine loops through 2^31 holes in the array.
    1.25 +var LOOP_TERMINATOR = "stop_long_loop";
    1.26 +array.__defineGetter__(N - 2, function() {
    1.27 +			 throw "stop_long_loop";
    1.28 +		       });
    1.29 +
    1.30 +var prepared_string = String(1);
    1.31 +array.__defineGetter__(N - 1, function() {
    1.32 +			 var tmp = prepared_string;
    1.33 +			 prepared_string = null;
    1.34 +			 return tmp;
    1.35 +		       })
    1.36 +
    1.37 +
    1.38 +  try {
    1.39 +    array.unshift(1);
    1.40 +  } catch (e) {
    1.41 +    if (e !== LOOP_TERMINATOR)
    1.42 +      throw e;
    1.43 +  }
    1.44 +
    1.45 +var expect = "1";
    1.46 +var actual = array[N];
    1.47 +printStatus(expect === actual);
    1.48 +
    1.49 +reportCompare(expect, actual, summary);