/* * The contents of this file are subject to the Netscape Public * License Version 1.1 (the "License"); you may not use this file * except in compliance with the License. You may obtain a copy of * the License at http://www.mozilla.org/NPL/ * * Software distributed under the License is distributed on an "AS * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or * implied. See the License for the specific language governing * rights and limitations under the License. * * The Original Code is mozilla.org code. * * The Initial Developer of the Original Code is Netscape * Communications Corporation. Portions created by Netscape are * Copyright (C) 1998 Netscape Communications Corporation. * All Rights Reserved. * * Contributor(s): igor@icesoft.no, pschwartau@netscape.com * Date: 24 September 2001 * * SUMMARY: Truncating arrays that have decimal property names. * From correspondence with Igor Bukanov <igor@icesoft.no>: */ //----------------------------------------------------------------------------- var UBound = 0; var bug = '(none)'; var summary = 'Truncating arrays that have decimal property names'; var BIG_INDEX = 4294967290; var status = ''; var statusitems = []; var actual = ''; var actualvalues = []; var expect= ''; var expectedvalues = []; var arr = Array(BIG_INDEX); arr[BIG_INDEX - 1] = 'a'; arr[BIG_INDEX - 10000] = 'b'; arr[BIG_INDEX - 0.5] = 'c'; // not an array index - but a valid property name // Truncate the array - arr.length = BIG_INDEX - 5000; // Enumerate its properties with for..in var s = ''; for (var i in arr) { s += arr[i]; } /* * We expect s == 'cb' or 'bc' (EcmaScript does not fix the order). * Note 'c' is included: for..in includes ALL enumerable properties, * not just array-index properties. The bug was: Rhino gave s == ''. */ status = inSection(1); actual = sortThis(s); expect = 'bc'; addThis(); //----------------------------------------------------------------------------- test(); //----------------------------------------------------------------------------- function sortThis(str) { var chars = str.split(''); chars = chars.sort(); return chars.join(''); } function addThis() { statusitems[UBound] = status; actualvalues[UBound] = actual; expectedvalues[UBound] = expect; UBound++; } function test() { enterFunc ('test'); printBugNumber (bug); printStatus (summary); for (var i=0; i<UBound; i++) { reportCompare(expectedvalues[i], actualvalues[i], statusitems[i]); } exitFunc ('test'); }