regress-96128-n.js (1529B)
1 /* -*- indent-tabs-mode: nil; js-indent-level: 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/. */ 5 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'; 17 18 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 } 33 34 35 36 //----------------------------------------------------------------------------- 37 test(); 38 //----------------------------------------------------------------------------- 39 40 41 function test() 42 { 43 printBugNumber(BUGNUMBER); 44 printStatus (summary); 45 46 // we expect this to fail (exit code 3), but NOT crash. - 47 var obj = new objRecurse(); 48 }