| /* -*- 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: 08 July 2002 |
| * SUMMARY: Testing expressions with large numbers of parentheses |
| * See http://bugzilla.mozilla.org/show_bug.cgi?id=152646 |
| * |
| */ |
| //----------------------------------------------------------------------------- |
| var UBound = 0; |
| var BUGNUMBER = 152646; |
| var summary = 'Testing expressions with large numbers of parentheses'; |
| var status = ''; |
| var statusitems = []; |
| var actual = ''; |
| var actualvalues = []; |
| var expect= ''; |
| var expectedvalues = []; |
| |
| |
| /* |
| * Just seeing that we don't crash when compiling this assignment - |
| * |
| * We will form an eval string to set the result-variable |actual|. |
| * To get a feel for this, suppose N were 3. Then the eval string is |
| * 'actual = (((0)));' The expected value for this after eval() is 0. |
| */ |
| status = inSection(1); |
| |
| var sLeft = '(((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((('; |
| sLeft += sLeft; |
| sLeft += sLeft; |
| sLeft += sLeft; |
| sLeft += sLeft; |
| sLeft += sLeft; |
| |
| var sRight = '))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))'; |
| sRight += sRight; |
| sRight += sRight; |
| sRight += sRight; |
| sRight += sRight; |
| sRight += sRight; |
| |
| var sEval = 'actual = ' + sLeft + '0' + sRight; |
| try |
| { |
| eval(sEval); |
| } |
| catch(e) |
| { |
| /* |
| * An exception during this eval is OK, as the runtime can throw one |
| * in response to too deep recursion. We haven't crashed; good! |
| */ |
| actual = 0; |
| } |
| expect = 0; |
| addThis(); |
| |
| |
| |
| //----------------------------------------------------------------------------- |
| test(); |
| //----------------------------------------------------------------------------- |
| |
| |
| |
| function addThis() |
| { |
| statusitems[UBound] = status; |
| actualvalues[UBound] = actual; |
| expectedvalues[UBound] = expect; |
| 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'); |
| } |