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: 15.7.1.js 24 ECMA Section: 15.7.1 The Number Constructor Called as a Function 25 15.7.1.1 26 15.7.1.2 27 28 Description: When Number is called as a function rather than as a 29 constructor, it performs a type conversion. 30 15.7.1.1 Return a number value (not a Number object) 31 computed by ToNumber( value ) 32 15.7.1.2 Number() returns 0. 33 34 need to add more test cases. see the testcases for 35 TypeConversion ToNumber. 36 37 Author: christine (at) netscape.com 38 Date: 29 september 1997 39 */ 40 41 var SECTION = "15.7.1"; 42 var VERSION = "ECMA_1"; 43 startTest(); 44 var TITLE = "The Number Constructor Called as a Function"; 45 46 writeHeaderToLog( SECTION + " "+ TITLE); 47 48 var testcases = getTestCases(); 49 test(); 50 51 52 function getTestCases() { 53 var array = new Array(); 54 var item = 0; 55 56 array[item++] = new TestCase(SECTION, "Number()", 0, Number() ); 57 array[item++] = new TestCase(SECTION, "Number(void 0)", Number.NaN, Number(void 0) ); 58 array[item++] = new TestCase(SECTION, "Number(null)", 0, Number(null) ); 59 array[item++] = new TestCase(SECTION, "Number()", 0, Number() ); 60 array[item++] = new TestCase(SECTION, "Number(new Number())", 0, Number( new Number() ) ); 61 array[item++] = new TestCase(SECTION, "Number(0)", 0, Number(0) ); 62 array[item++] = new TestCase(SECTION, "Number(1)", 1, Number(1) ); 63 array[item++] = new TestCase(SECTION, "Number(-1)", -1, Number(-1) ); 64 array[item++] = new TestCase(SECTION, "Number(NaN)", Number.NaN, Number( Number.NaN ) ); 65 array[item++] = new TestCase(SECTION, "Number('string')", Number.NaN, Number( "string") ); 66 array[item++] = new TestCase(SECTION, "Number(new String())", 0, Number( new String() ) ); 67 array[item++] = new TestCase(SECTION, "Number('')", 0, Number( "" ) ); 68 array[item++] = new TestCase(SECTION, "Number(Infinity)", Number.POSITIVE_INFINITY, Number("Infinity") ); 69 70 array[item++] = new TestCase(SECTION, "Number(new MyObject(100))", 100, Number(new MyObject(100)) ); 71 72 return ( array ); 73 } 74 function test() { 75 for ( tc=0; tc < testcases.length; tc++ ) { 76 testcases[tc].passed = writeTestCaseResult( 77 testcases[tc].expect, 78 testcases[tc].actual, 79 testcases[tc].description +" = "+ 80 testcases[tc].actual ); 81 82 testcases[tc].reason += ( testcases[tc].passed ) ? "" : "wrong value "; 83 } 84 stopTest(); 85 return ( testcases ); 86 } 87 function MyObject( value ) { 88 this.value = value; 89 this.valueOf = new Function( "return this.value" ); 90 }