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      1 /* The contents of this file are subject to the Netscape Public
      2  * License Version 1.1 (the "License"); you may not use this file
      3  * except in compliance with the License. You may obtain a copy of
      4  * the License at http://www.mozilla.org/NPL/
      5  *
      6  * Software distributed under the License is distributed on an "AS
      7  * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
      8  * implied. See the License for the specific language governing
      9  * rights and limitations under the License.
     10  *
     11  * The Original Code is Mozilla Communicator client code, released March
     12  * 31, 1998.
     13  *
     14  * The Initial Developer of the Original Code is Netscape Communications
     15  * Corporation. Portions created by Netscape are
     16  * Copyright (C) 1998 Netscape Communications Corporation. All
     17  * Rights Reserved.
     18  *
     19  * Contributor(s):
     20  *
     21  */
     22 /**
     23     File Name:          15.4-2.js
     24     ECMA Section:       15.4 Array Objects
     25 
     26     Description:        Whenever a property is added whose name is an array
     27                         index, the length property is changed, if necessary,
     28                         to be one more than the numeric value of that array
     29                         index; and whenever the length property is changed,
     30                         every property whose name is an array index whose value
     31                         is not smaller  than the new length is automatically
     32                         deleted.  This constraint applies only to the Array
     33                         object itself, and is unaffected by length or array
     34                         index properties that may be inherited from its
     35                         prototype.
     36 
     37     Author:             christine (at) netscape.com
     38     Date:               28 october 1997
     39 
     40 */
     41     var SECTION = "15.4-2";
     42     var VERSION = "ECMA_1";
     43     startTest();
     44     var TITLE   = "Array Objects";
     45 
     46     writeHeaderToLog( SECTION + " "+ TITLE);
     47 
     48     var testcases = getTestCases();
     49     test();
     50 
     51 function getTestCases() {
     52     var array = new Array();
     53     var item = 0;
     54 
     55     array[item++] = new TestCase( SECTION, "var arr=new Array();  arr[Math.pow(2,16)] = 'hi'; arr.length",      Math.pow(2,16)+1,   eval("var arr=new Array();  arr[Math.pow(2,16)] = 'hi'; arr.length") );
     56 
     57     array[item++] = new TestCase( SECTION, "var arr=new Array();  arr[Math.pow(2,30)-2] = 'hi'; arr.length",    Math.pow(2,30)-1,   eval("var arr=new Array();  arr[Math.pow(2,30)-2] = 'hi'; arr.length") );
     58     array[item++] = new TestCase( SECTION, "var arr=new Array();  arr[Math.pow(2,30)-1] = 'hi'; arr.length",    Math.pow(2,30),     eval("var arr=new Array();  arr[Math.pow(2,30)-1] = 'hi'; arr.length") );
     59     array[item++] = new TestCase( SECTION, "var arr=new Array();  arr[Math.pow(2,30)] = 'hi'; arr.length",      Math.pow(2,30)+1,   eval("var arr=new Array();  arr[Math.pow(2,30)] = 'hi'; arr.length") );
     60 
     61     array[item++] = new TestCase( SECTION, "var arr=new Array();  arr[Math.pow(2,31)-2] = 'hi'; arr.length",    Math.pow(2,31)-1,   eval("var arr=new Array();  arr[Math.pow(2,31)-2] = 'hi'; arr.length") );
     62     array[item++] = new TestCase( SECTION, "var arr=new Array();  arr[Math.pow(2,31)-1] = 'hi'; arr.length",    Math.pow(2,31),     eval("var arr=new Array();  arr[Math.pow(2,31)-1] = 'hi'; arr.length") );
     63     array[item++] = new TestCase( SECTION, "var arr=new Array();  arr[Math.pow(2,31)] = 'hi'; arr.length",      Math.pow(2,31)+1,   eval("var arr=new Array();  arr[Math.pow(2,31)] = 'hi'; arr.length") );
     64 
     65     array[item++] = new TestCase( SECTION, "var arr = new Array(0,1,2,3,4,5); arr.length = 2; String(arr)",     "0,1",              eval("var arr = new Array(0,1,2,3,4,5); arr.length = 2; String(arr)") );
     66     array[item++] = new TestCase( SECTION, "var arr = new Array(0,1); arr.length = 3; String(arr)",             "0,1,",             eval("var arr = new Array(0,1); arr.length = 3; String(arr)") );
     67 //    array[item++] = new TestCase( SECTION, "var arr = new Array(0,1,2,3,4,5); delete arr[0]; arr.length",       5,                  eval("var arr = new Array(0,1,2,3,4,5); delete arr[0]; arr.length") );
     68 //    array[item++] = new TestCase( SECTION, "var arr = new Array(0,1,2,3,4,5); delete arr[6]; arr.length",       5,                  eval("var arr = new Array(0,1,2,3,4,5); delete arr[6]; arr.length") );
     69 
     70     return ( array );
     71 }
     72 function test( array ) {
     73     for ( tc=0; tc < testcases.length; tc++ ) {
     74         testcases[tc].passed = writeTestCaseResult(
     75                             testcases[tc].expect,
     76                             testcases[tc].actual,
     77                             testcases[tc].description +" = "+ testcases[tc].actual );
     78 
     79         testcases[tc].reason += ( testcases[tc].passed ) ? "" : "wrong value ";
     80     }
     81     stopTest();
     82     return ( testcases );
     83 }
     84