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      1 /*
      2 * The contents of this file are subject to the Netscape Public
      3 * License Version 1.1 (the "License"); you may not use this file
      4 * except in compliance with the License. You may obtain a copy of
      5 * the License at http://www.mozilla.org/NPL/
      6 *
      7 * Software distributed under the License is distributed on an "AS
      8 * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
      9 * implied. See the License for the specific language governing
     10 * rights and limitations under the License.
     11 *
     12 * The Original Code is mozilla.org code.
     13 *
     14 * The Initial Developer of the Original Code is Netscape
     15 * Communications Corporation.  Portions created by Netscape are
     16 * Copyright (C) 1998 Netscape Communications Corporation.
     17 * All Rights Reserved.
     18 *
     19 * Contributor(s): igor (at) icesoft.no, pschwartau (at) netscape.com
     20 * Date: 24 September 2001
     21 *
     22 * SUMMARY: Truncating arrays that have decimal property names.
     23 * From correspondence with Igor Bukanov <igor (at) icesoft.no>:
     24 */
     25 //-----------------------------------------------------------------------------
     26 var UBound = 0;
     27 var bug = '(none)';
     28 var summary = 'Truncating arrays that have decimal property names';
     29 var BIG_INDEX = 4294967290;
     30 var status = '';
     31 var statusitems = [];
     32 var actual = '';
     33 var actualvalues = [];
     34 var expect= '';
     35 var expectedvalues = [];
     36 
     37 
     38 var arr = Array(BIG_INDEX);
     39 arr[BIG_INDEX - 1] = 'a';
     40 arr[BIG_INDEX - 10000] = 'b';
     41 arr[BIG_INDEX - 0.5] = 'c';  // not an array index - but a valid property name
     42 // Truncate the array -
     43 arr.length = BIG_INDEX - 5000;
     44 
     45 
     46 // Enumerate its properties with for..in
     47 var s = '';
     48 for (var i in arr)
     49 {
     50   s += arr[i];
     51 }
     52 
     53 
     54 /*
     55  * We expect s == 'cb' or 'bc' (EcmaScript does not fix the order).
     56  * Note 'c' is included: for..in includes ALL enumerable properties,
     57  * not just array-index properties. The bug was: Rhino gave s == ''.
     58  */
     59 status = inSection(1);
     60 actual = sortThis(s);
     61 expect = 'bc';
     62 addThis();
     63 
     64 
     65 
     66 //-----------------------------------------------------------------------------
     67 test();
     68 //-----------------------------------------------------------------------------
     69 
     70 
     71 
     72 function sortThis(str)
     73 {
     74   var chars = str.split('');
     75   chars = chars.sort();
     76   return chars.join('');
     77 }
     78 
     79 
     80 function addThis()
     81 {
     82   statusitems[UBound] = status;
     83   actualvalues[UBound] = actual;
     84   expectedvalues[UBound] = expect;
     85   UBound++;
     86 }
     87 
     88 
     89 function test()
     90 {
     91   enterFunc ('test');
     92   printBugNumber (bug);
     93   printStatus (summary);
     94 
     95   for (var i=0; i<UBound; i++)
     96   {
     97     reportCompare(expectedvalues[i], actualvalues[i], statusitems[i]);
     98   }
     99 
    100   exitFunc ('test');
    101 }
    102