The Tor Browser: js/src/tests/js1_5/Regress/regress-96128-n.js@6474c204b198

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     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  * Date: 29 Aug 2001

     8  *

     9  * SUMMARY: Negative test that JS infinite recursion protection works.

    10  * We expect the code here to fail (i.e. exit code 3), but NOT crash.

    11  *

    12  * See http://bugzilla.mozilla.org/show_bug.cgi?id=96128

    13  */

    14 //-----------------------------------------------------------------------------

    15 var BUGNUMBER = 96128;

    16 var summary = 'Testing that JS infinite recursion protection works';

    19 function objRecurse()

    20 {

    21   /*

    22    * jband:

    23    *

    24    * Causes a stack overflow crash in debug builds of both the browser

    25    * and the shell. In the release builds this is safely caught by the

    26    * "too much recursion" mechanism. If I remove the 'new' from the code below

    27    * this is safely caught in both debug and release builds. The 'new' causes a

    28    * lookup for the Constructor name and seems to (at least) double the number

    29    * of items on the C stack for the given interpLevel depth.

    30    */

    31   return new objRecurse();

    32 }

    36 //-----------------------------------------------------------------------------

    37 test();

    38 //-----------------------------------------------------------------------------

    41 function test()

    42 {

    43   enterFunc ('test');

    44   printBugNumber(BUGNUMBER);

    45   printStatus (summary);

    47   // we expect this to fail (exit code 3), but NOT crash. -

    48   var obj = new objRecurse();

    50   exitFunc ('test');

    51 }

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