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: 15.8.2.8.js 24 ECMA Section: 15.8.2.8 Math.exp(x) 25 Description: return an approximation to the exponential function of 26 the argument (e raised to the power of the argument) 27 special cases: 28 - if x is NaN return NaN 29 - if x is 0 return 1 30 - if x is -0 return 1 31 - if x is Infinity return Infinity 32 - if x is -Infinity return 0 33 Author: christine@netscape.com 34 Date: 7 july 1997 35*/ 36 37 38 var SECTION = "15.8.2.8"; 39 var VERSION = "ECMA_1"; 40 startTest(); 41 var TITLE = "Math.exp(x)"; 42 43 writeHeaderToLog( SECTION + " "+ TITLE); 44 45 var testcases = getTestCases(); 46 test(); 47 48function getTestCases() { 49 var array = new Array(); 50 var item = 0; 51 52 array[item++] = new TestCase( SECTION, "Math.exp.length", 1, Math.exp.length ); 53 54 array[item++] = new TestCase( SECTION, "Math.exp()", Number.NaN, Math.exp() ); 55 array[item++] = new TestCase( SECTION, "Math.exp(null)", 1, Math.exp(null) ); 56 array[item++] = new TestCase( SECTION, "Math.exp(void 0)", Number.NaN, Math.exp(void 0) ); 57 array[item++] = new TestCase( SECTION, "Math.exp(1)", Math.E, Math.exp(1) ); 58 array[item++] = new TestCase( SECTION, "Math.exp(true)", Math.E, Math.exp(true) ); 59 array[item++] = new TestCase( SECTION, "Math.exp(false)", 1, Math.exp(false) ); 60 61 array[item++] = new TestCase( SECTION, "Math.exp('1')", Math.E, Math.exp('1') ); 62 array[item++] = new TestCase( SECTION, "Math.exp('0')", 1, Math.exp('0') ); 63 64 array[item++] = new TestCase( SECTION, "Math.exp(NaN)", Number.NaN, Math.exp(Number.NaN) ); 65 array[item++] = new TestCase( SECTION, "Math.exp(0)", 1, Math.exp(0) ); 66 array[item++] = new TestCase( SECTION, "Math.exp(-0)", 1, Math.exp(-0) ); 67 array[item++] = new TestCase( SECTION, "Math.exp(Infinity)", Number.POSITIVE_INFINITY, Math.exp(Number.POSITIVE_INFINITY) ); 68 array[item++] = new TestCase( SECTION, "Math.exp(-Infinity)", 0, Math.exp(Number.NEGATIVE_INFINITY) ); 69 70 return ( array ); 71} 72function test() { 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 +" = "+ 78 testcases[tc].actual ); 79 80 testcases[tc].reason += ( testcases[tc].passed ) ? "" : "wrong value "; 81 } 82 stopTest(); 83 return ( testcases ); 84} 85