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: 15.8.2.1.js 24 ECMA Section: 15.8.2.1 abs( x ) 25 Description: return the absolute value of the argument, 26 which should be the magnitude of the argument 27 with a positive sign. 28 - if x is NaN, return NaN 29 - if x is -0, result is +0 30 - if x is -Infinity, result is +Infinity 31 Author: christine (at) netscape.com 32 Date: 7 july 1997 33 */ 34 var SECTION = "15.8.2.1"; 35 var VERSION = "ECMA_1"; 36 startTest(); 37 var TITLE = "Math.abs()"; 38 var BUGNUMBER = "77391"; 39 40 writeHeaderToLog( SECTION + " "+ TITLE); 41 42 var testcases = getTestCases(); 43 test(); 44 45 function getTestCases() { 46 var array = new Array(); 47 var item = 0; 48 49 array[item++] = new TestCase( SECTION, "Math.abs.length", 1, Math.abs.length ); 50 51 array[item++] = new TestCase( SECTION, "Math.abs()", Number.NaN, Math.abs() ); 52 array[item++] = new TestCase( SECTION, "Math.abs( void 0 )", Number.NaN, Math.abs(void 0) ); 53 array[item++] = new TestCase( SECTION, "Math.abs( null )", 0, Math.abs(null) ); 54 array[item++] = new TestCase( SECTION, "Math.abs( true )", 1, Math.abs(true) ); 55 array[item++] = new TestCase( SECTION, "Math.abs( false )", 0, Math.abs(false) ); 56 array[item++] = new TestCase( SECTION, "Math.abs( string primitive)", Number.NaN, Math.abs("a string primitive") ); 57 array[item++] = new TestCase( SECTION, "Math.abs( string object )", Number.NaN, Math.abs(new String( 'a String object' )) ); 58 array[item++] = new TestCase( SECTION, "Math.abs( Number.NaN )", Number.NaN, Math.abs(Number.NaN) ); 59 60 array[item++] = new TestCase( SECTION, "Math.abs(0)", 0, Math.abs( 0 ) ); 61 array[item++] = new TestCase( SECTION, "Math.abs( -0 )", 0, Math.abs(-0) ); 62 array[item++] = new TestCase( SECTION, "Infinity/Math.abs(-0)", Infinity, Infinity/Math.abs(-0) ); 63 64 array[item++] = new TestCase( SECTION, "Math.abs( -Infinity )", Number.POSITIVE_INFINITY, Math.abs( Number.NEGATIVE_INFINITY ) ); 65 array[item++] = new TestCase( SECTION, "Math.abs( Infinity )", Number.POSITIVE_INFINITY, Math.abs( Number.POSITIVE_INFINITY ) ); 66 array[item++] = new TestCase( SECTION, "Math.abs( - MAX_VALUE )", Number.MAX_VALUE, Math.abs( - Number.MAX_VALUE ) ); 67 array[item++] = new TestCase( SECTION, "Math.abs( - MIN_VALUE )", Number.MIN_VALUE, Math.abs( -Number.MIN_VALUE ) ); 68 array[item++] = new TestCase( SECTION, "Math.abs( MAX_VALUE )", Number.MAX_VALUE, Math.abs( Number.MAX_VALUE ) ); 69 array[item++] = new TestCase( SECTION, "Math.abs( MIN_VALUE )", Number.MIN_VALUE, Math.abs( Number.MIN_VALUE ) ); 70 71 array[item++] = new TestCase( SECTION, "Math.abs( -1 )", 1, Math.abs( -1 ) ); 72 array[item++] = new TestCase( SECTION, "Math.abs( new Number( -1 ) )", 1, Math.abs( new Number(-1) ) ); 73 array[item++] = new TestCase( SECTION, "Math.abs( 1 )", 1, Math.abs( 1 ) ); 74 array[item++] = new TestCase( SECTION, "Math.abs( Math.PI )", Math.PI, Math.abs( Math.PI ) ); 75 array[item++] = new TestCase( SECTION, "Math.abs( -Math.PI )", Math.PI, Math.abs( -Math.PI ) ); 76 array[item++] = new TestCase( SECTION, "Math.abs(-1/100000000)", 1/100000000, Math.abs(-1/100000000) ); 77 array[item++] = new TestCase( SECTION, "Math.abs(-Math.pow(2,32))", Math.pow(2,32), Math.abs(-Math.pow(2,32)) ); 78 array[item++] = new TestCase( SECTION, "Math.abs(Math.pow(2,32))", Math.pow(2,32), Math.abs(Math.pow(2,32)) ); 79 array[item++] = new TestCase( SECTION, "Math.abs( -0xfff )", 4095, Math.abs( -0xfff ) ); 80 array[item++] = new TestCase( SECTION, "Math.abs( -0777 )", 511, Math.abs(-0777 ) ); 81 82 array[item++] = new TestCase( SECTION, "Math.abs('-1e-1')", 0.1, Math.abs('-1e-1') ); 83 array[item++] = new TestCase( SECTION, "Math.abs('0xff')", 255, Math.abs('0xff') ); 84 array[item++] = new TestCase( SECTION, "Math.abs('077')", 77, Math.abs('077') ); 85 array[item++] = new TestCase( SECTION, "Math.abs( 'Infinity' )", Infinity, Math.abs('Infinity') ); 86 array[item++] = new TestCase( SECTION, "Math.abs( '-Infinity' )", Infinity, Math.abs('-Infinity') ); 87 88 return ( array ); 89 } 90 91 function test() { 92 for ( tc=0; tc < testcases.length; tc++ ) { 93 testcases[tc].passed = writeTestCaseResult( 94 testcases[tc].expect, 95 testcases[tc].actual, 96 testcases[tc].description +" = "+ 97 testcases[tc].actual ); 98 99 testcases[tc].reason += ( testcases[tc].passed ) ? "" : "wrong value "; 100 } 101 stopTest(); 102 return ( testcases ); 103 } 104