/* -*- 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: 18 Jun 2002 * SUMMARY: Shouldn't crash when catch parameter is "hidden" by varX * See http://bugzilla.mozilla.org/show_bug.cgi?id=146596 * */ //----------------------------------------------------------------------------- var UBound = 0; var BUGNUMBER = 146596; var summary = "Shouldn't crash when catch parameter is 'hidden' by varX"; var status = ''; var statusitems = []; var actual = ''; var actualvalues = []; var expect= ''; var expectedvalues = []; /* * Just seeing we don't crash when executing this function - * This example provided by jim-patterson@ncf.ca * * Brendan: "Jim, thanks for the testcase. But note that |var| * in a JS function makes a function-scoped variable -- JS lacks * block scope apart from for catch variables within catch blocks. * * Therefore the catch variable hides the function-local variable." */ function F() { try { return "A simple exception"; } catch(e) { var e = "Another exception"; } return 'XYZ'; } status = inSection(1); actual = F(); expect = "A simple exception"; addThis(); /* * Sanity check by Brendan: "This should output * * 24 * 42 * undefined * * and throw no uncaught exception." * */ function f(obj) { var res = []; try { throw 42; } catch(e) { with(obj) { var e; res[0] = e; // |with| binds tighter than |catch|; s/b |obj.e| } res[1] = e; // |catch| binds tighter than function scope; s/b 42 } res[2] = e; // |var e| has function scope; s/b visible but contain |undefined| return res; } status = inSection(2); actual = f({e:24}); expect = [24, 42, undefined]; addThis(); //----------------------------------------------------------------------------- test(); //----------------------------------------------------------------------------- function addThis() { statusitems[UBound] = status; actualvalues[UBound] = actual.toString(); expectedvalues[UBound] = expect.toString(); UBound++; } function test() { enterFunc('test'); printBugNumber(BUGNUMBER); printStatus(summary); for (var i=0; i<UBound; i++) { reportCompare(expectedvalues[i], actualvalues[i], statusitems[i]); } exitFunc ('test'); }