/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */ /* This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ /* * * Date: 24 Jan 2002 * SUMMARY: "Too much recursion" errors should be safely caught by try...catch * See http://bugzilla.mozilla.org/show_bug.cgi?id=121658 * * In the cases below, we expect i>0. The bug was filed because we * were getting i===0; i.e. |i| did not retain the value it had at the * location of the error. * */ //----------------------------------------------------------------------------- var UBound = 0; var BUGNUMBER = 121658; var msg = '"Too much recursion" errors should be safely caught by try...catch'; var TEST_PASSED = 'i retained the value it had at location of error'; var TEST_FAILED = 'i did NOT retain this value'; var status = ''; var statusitems = []; var actual = ''; var actualvalues = []; var expect= ''; var expectedvalues = []; var i; function f() { ++i; // try...catch should catch the "too much recursion" error to ensue try { f(); } catch(e) { } } i=0; f(); status = inSection(1); actual = (i>0); expect = true; addThis(); // Now try in function scope - function g() { f(); } i=0; g(); status = inSection(2); actual = (i>0); expect = true; addThis(); // Now try in eval scope - var sEval = 'function h(){++i; try{h();} catch(e){}}; i=0; h();'; eval(sEval); status = inSection(3); actual = (i>0); expect = true; addThis(); // Try in eval scope and mix functions up - sEval = 'function a(){++i; try{h();} catch(e){}}; i=0; a();'; eval(sEval); status = inSection(4); actual = (i>0); expect = true; addThis(); //----------------------------------------------------------------------------- test(); //----------------------------------------------------------------------------- function addThis() { statusitems[UBound] = status; actualvalues[UBound] = formatThis(actual); expectedvalues[UBound] = formatThis(expect); UBound++; } function formatThis(bool) { return bool? TEST_PASSED : TEST_FAILED; } function test() { printBugNumber(BUGNUMBER); printStatus(msg); for (var i=0; i