1/* ***** BEGIN LICENSE BLOCK ***** 2* Version: NPL 1.1/GPL 2.0/LGPL 2.1 3* 4* The contents of this file are subject to the Netscape Public License 5* Version 1.1 (the "License"); you may not use this file except in 6* compliance with the License. You may obtain a copy of the License at 7* http://www.mozilla.org/NPL/ 8* 9* Software distributed under the License is distributed on an "AS IS" basis, 10* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License 11* for the specific language governing rights and limitations under the 12* License. 13* 14* The Original Code is JavaScript Engine testing utilities. 15* 16* The Initial Developer of the Original Code is Netscape Communications Corp. 17* Portions created by the Initial Developer are Copyright (C) 2002 18* the Initial Developer. All Rights Reserved. 19* 20* Contributor(s): pschwartau@netscape.com, mstoltz@netscape.com 21* 22* Alternatively, the contents of this file may be used under the terms of 23* either the GNU General Public License Version 2 or later (the "GPL"), or 24* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), 25* in which case the provisions of the GPL or the LGPL are applicable instead 26* of those above. If you wish to allow use of your version of this file only 27* under the terms of either the GPL or the LGPL, and not to allow others to 28* use your version of this file under the terms of the NPL, indicate your 29* decision by deleting the provisions above and replace them with the notice 30* and other provisions required by the GPL or the LGPL. If you do not delete 31* the provisions above, a recipient may use your version of this file under 32* the terms of any one of the NPL, the GPL or the LGPL. 33* 34* ***** END LICENSE BLOCK ***** 35* 36* 37* Date: 08 July 2002 38* SUMMARY: Testing expressions with large numbers of parentheses 39* See http://bugzilla.mozilla.org/show_bug.cgi?id=152646 40* 41*/ 42//----------------------------------------------------------------------------- 43var UBound = 0; 44var bug = 152646; 45var summary = 'Testing expressions with large numbers of parentheses'; 46var status = ''; 47var statusitems = []; 48var actual = ''; 49var actualvalues = []; 50var expect= ''; 51var expectedvalues = []; 52 53 54/* 55 * Just seeing that we don't crash when compiling this assignment - 56 * 57 * We will form an eval string to set the result-variable |actual|. 58 * To get a feel for this, suppose N were 3. Then the eval string is 59 * 'actual = (((0)));' The expected value for this after eval() is 0. 60 */ 61status = inSection(1); 62 63var sLeft = '(((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((('; 64sLeft += sLeft; 65sLeft += sLeft; 66sLeft += sLeft; 67sLeft += sLeft; 68sLeft += sLeft; 69 70var sRight = '))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))'; 71sRight += sRight; 72sRight += sRight; 73sRight += sRight; 74sRight += sRight; 75 76var sEval = 'actual = ' + sLeft + '0' + sRight; 77try 78{ 79 eval(sEval); 80} 81catch(e) 82{ 83 /* 84 * An exception during this eval is OK, as the runtime can throw one 85 * in response to too deep recursion. We haven't crashed; good! 86 */ 87 actual = 0; 88} 89expect = 0; 90addThis(); 91 92 93 94//----------------------------------------------------------------------------- 95test(); 96//----------------------------------------------------------------------------- 97 98 99 100function addThis() 101{ 102 statusitems[UBound] = status; 103 actualvalues[UBound] = actual; 104 expectedvalues[UBound] = expect; 105 UBound++; 106} 107 108 109function test() 110{ 111 enterFunc('test'); 112 printBugNumber(bug); 113 printStatus(summary); 114 115 for (var i=0; i<UBound; i++) 116 { 117 reportCompare(expectedvalues[i], actualvalues[i], statusitems[i]); 118 } 119 120 exitFunc ('test'); 121} 122