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/Regress/regress-96128-n.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,51 @@
     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 + * Date: 29 Aug 2001
    1.11 + *
    1.12 + * SUMMARY: Negative test that JS infinite recursion protection works.
    1.13 + * We expect the code here to fail (i.e. exit code 3), but NOT crash.
    1.14 + *
    1.15 + * See http://bugzilla.mozilla.org/show_bug.cgi?id=96128
    1.16 + */
    1.17 +//-----------------------------------------------------------------------------
    1.18 +var BUGNUMBER = 96128;
    1.19 +var summary = 'Testing that JS infinite recursion protection works';
    1.20 +
    1.21 +
    1.22 +function objRecurse()
    1.23 +{
    1.24 +  /*
    1.25 +   * jband:
    1.26 +   *
    1.27 +   * Causes a stack overflow crash in debug builds of both the browser
    1.28 +   * and the shell. In the release builds this is safely caught by the
    1.29 +   * "too much recursion" mechanism. If I remove the 'new' from the code below
    1.30 +   * this is safely caught in both debug and release builds. The 'new' causes a
    1.31 +   * lookup for the Constructor name and seems to (at least) double the number
    1.32 +   * of items on the C stack for the given interpLevel depth.
    1.33 +   */
    1.34 +  return new objRecurse();
    1.35 +}
    1.36 +
    1.37 +
    1.38 +
    1.39 +//-----------------------------------------------------------------------------
    1.40 +test();
    1.41 +//-----------------------------------------------------------------------------
    1.42 +
    1.43 +
    1.44 +function test()
    1.45 +{
    1.46 +  enterFunc ('test');
    1.47 +  printBugNumber(BUGNUMBER);
    1.48 +  printStatus (summary);
    1.49 +
    1.50 +  // we expect this to fail (exit code 3), but NOT crash. -
    1.51 +  var obj = new objRecurse();
    1.52 +
    1.53 +  exitFunc ('test');
    1.54 +}