michael@0: /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: /*
michael@0:  * Date: 29 Aug 2001
michael@0:  *
michael@0:  * SUMMARY: Negative test that JS infinite recursion protection works.
michael@0:  * We expect the code here to fail (i.e. exit code 3), but NOT crash.
michael@0:  *
michael@0:  * See http://bugzilla.mozilla.org/show_bug.cgi?id=96128
michael@0:  */
michael@0: //-----------------------------------------------------------------------------
michael@0: var BUGNUMBER = 96128;
michael@0: var summary = 'Testing that JS infinite recursion protection works';
michael@0: 
michael@0: 
michael@0: function objRecurse()
michael@0: {
michael@0:   /*
michael@0:    * jband:
michael@0:    *
michael@0:    * Causes a stack overflow crash in debug builds of both the browser
michael@0:    * and the shell. In the release builds this is safely caught by the
michael@0:    * "too much recursion" mechanism. If I remove the 'new' from the code below
michael@0:    * this is safely caught in both debug and release builds. The 'new' causes a
michael@0:    * lookup for the Constructor name and seems to (at least) double the number
michael@0:    * of items on the C stack for the given interpLevel depth.
michael@0:    */
michael@0:   return new objRecurse();
michael@0: }
michael@0: 
michael@0: 
michael@0: 
michael@0: //-----------------------------------------------------------------------------
michael@0: test();
michael@0: //-----------------------------------------------------------------------------
michael@0: 
michael@0: 
michael@0: function test()
michael@0: {
michael@0:   enterFunc ('test');
michael@0:   printBugNumber(BUGNUMBER);
michael@0:   printStatus (summary);
michael@0: 
michael@0:   // we expect this to fail (exit code 3), but NOT crash. -
michael@0:   var obj = new objRecurse();
michael@0: 
michael@0:   exitFunc ('test');
michael@0: }