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: 15.4.2.2-1.js 24 ECMA Section: 15.4.2.2 new Array(len) 25 26 Description: This description only applies of the constructor is 27 given two or more arguments. 28 29 The [[Prototype]] property of the newly constructed 30 object is set to the original Array prototype object, 31 the one that is the initial value of Array.prototype(0) 32 (15.4.3.1). 33 34 The [[Class]] property of the newly constructed object 35 is set to "Array". 36 37 If the argument len is a number, then the length 38 property of the newly constructed object is set to 39 ToUint32(len). 40 41 If the argument len is not a number, then the length 42 property of the newly constructed object is set to 1 43 and the 0 property of the newly constructed object is 44 set to len. 45 46 This file tests cases where len is a number. 47 48 The cases in this test need to be updated since the 49 ToUint32 description has changed. 50 51 Author: christine@netscape.com 52 Date: 7 october 1997 53*/ 54 var SECTION = "15.4.2.2-1"; 55 var VERSION = "ECMA_1"; 56 startTest(); 57 var TITLE = "The Array Constructor: new Array( len )"; 58 59 writeHeaderToLog( SECTION + " "+ TITLE); 60 61 var testcases = getTestCases(); 62 test(); 63 64function getTestCases() { 65 var array = new Array(); 66 var item = 0; 67 68 array[item++] = new TestCase( SECTION, "new Array(0)", "", (new Array(0)).toString() ); 69 array[item++] = new TestCase( SECTION, "typeof new Array(0)", "object", (typeof new Array(0)) ); 70 array[item++] = new TestCase( SECTION, "(new Array(0)).length", 0, (new Array(0)).length ); 71 array[item++] = new TestCase( SECTION, "(new Array(0)).toString", Array.prototype.toString, (new Array(0)).toString ); 72 73 array[item++] = new TestCase( SECTION, "new Array(1)", "", (new Array(1)).toString() ); 74 array[item++] = new TestCase( SECTION, "new Array(1).length", 1, (new Array(1)).length ); 75 array[item++] = new TestCase( SECTION, "(new Array(1)).toString", Array.prototype.toString, (new Array(1)).toString ); 76 77 array[item++] = new TestCase( SECTION, "(new Array(-0)).length", 0, (new Array(-0)).length ); 78 array[item++] = new TestCase( SECTION, "(new Array(0)).length", 0, (new Array(0)).length ); 79 80 array[item++] = new TestCase( SECTION, "(new Array(10)).length", 10, (new Array(10)).length ); 81 array[item++] = new TestCase( SECTION, "(new Array('1')).length", 1, (new Array('1')).length ); 82 array[item++] = new TestCase( SECTION, "(new Array(1000)).length", 1000, (new Array(1000)).length ); 83 array[item++] = new TestCase( SECTION, "(new Array('1000')).length", 1, (new Array('1000')).length ); 84 85 array[item++] = new TestCase( SECTION, "(new Array(4294967295)).length", ToUint32(4294967295), (new Array(4294967295)).length ); 86 87 array[item++] = new TestCase( SECTION, "(new Array('8589934592')).length", 1, (new Array("8589934592")).length ); 88 array[item++] = new TestCase( SECTION, "(new Array('4294967296')).length", 1, (new Array("4294967296")).length ); 89 array[item++] = new TestCase( SECTION, "(new Array(1073741824)).length", ToUint32(1073741824), (new Array(1073741824)).length ); 90 91 return ( array ); 92} 93function test() { 94 for ( tc=0; tc < testcases.length; tc++ ) { 95 testcases[tc].passed = writeTestCaseResult( 96 testcases[tc].expect, 97 testcases[tc].actual, 98 testcases[tc].description +" = "+ 99 testcases[tc].actual ); 100 101 testcases[tc].reason += ( testcases[tc].passed ) 102 ? "" 103 : "wrong value "; 104 } 105 stopTest(); 106 return ( testcases ); 107} 108function ToUint32( n ) { 109 n = Number( n ); 110 var sign = ( n < 0 ) ? -1 : 1; 111 112 if ( Math.abs( n ) == 0 || Math.abs( n ) == Number.POSITIVE_INFINITY) { 113 return 0; 114 } 115 n = sign * Math.floor( Math.abs(n) ) 116 117 n = n % Math.pow(2,32); 118 119 if ( n < 0 ){ 120 n += Math.pow(2,32); 121 } 122 123 return ( n ); 124}