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: 15.8.2.13.js 24 ECMA Section: 15.8.2.13 Math.pow(x, y) 25 Description: return an approximation to the result of x 26 to the power of y. there are many special cases; 27 refer to the spec. 28 Author: christine (at) netscape.com 29 Date: 9 july 1997 30 */ 31 32 var SECTION = "15.8.2.13"; 33 var VERSION = "ECMA_1"; 34 startTest(); 35 var TITLE = "Math.pow(x, y)"; 36 var BUGNUMBER="77141"; 37 38 writeHeaderToLog( SECTION + " "+ TITLE); 39 40 var testcases = getTestCases(); 41 test(); 42 function getTestCases() { 43 var array = new Array(); 44 var item = 0; 45 46 array[item++] = new TestCase( SECTION, "Math.pow.length", 2, Math.pow.length ); 47 48 array[item++] = new TestCase( SECTION, "Math.pow()", Number.NaN, Math.pow() ); 49 array[item++] = new TestCase( SECTION, "Math.pow(null, null)", 1, Math.pow(null,null) ); 50 array[item++] = new TestCase( SECTION, "Math.pow(void 0, void 0)", Number.NaN, Math.pow(void 0, void 0)); 51 array[item++] = new TestCase( SECTION, "Math.pow(true, false)", 1, Math.pow(true, false) ); 52 array[item++] = new TestCase( SECTION, "Math.pow(false,true)", 0, Math.pow(false,true) ); 53 array[item++] = new TestCase( SECTION, "Math.pow('2','32')", 4294967296, Math.pow('2','32') ); 54 55 array[item++] = new TestCase( SECTION, "Math.pow(1,NaN)", Number.NaN, Math.pow(1,Number.NaN) ); 56 array[item++] = new TestCase( SECTION, "Math.pow(0,NaN)", Number.NaN, Math.pow(0,Number.NaN) ); 57 array[item++] = new TestCase( SECTION, "Math.pow(NaN,0)", 1, Math.pow(Number.NaN,0) ); 58 array[item++] = new TestCase( SECTION, "Math.pow(NaN,-0)", 1, Math.pow(Number.NaN,-0) ); 59 array[item++] = new TestCase( SECTION, "Math.pow(NaN,1)", Number.NaN, Math.pow(Number.NaN, 1) ); 60 array[item++] = new TestCase( SECTION, "Math.pow(NaN,.5)", Number.NaN, Math.pow(Number.NaN, .5) ); 61 array[item++] = new TestCase( SECTION, "Math.pow(1.00000001, Infinity)", Number.POSITIVE_INFINITY, Math.pow(1.00000001, Number.POSITIVE_INFINITY) ); 62 array[item++] = new TestCase( SECTION, "Math.pow(1.00000001, -Infinity)", 0, Math.pow(1.00000001, Number.NEGATIVE_INFINITY) ); 63 array[item++] = new TestCase( SECTION, "Math.pow(-1.00000001, Infinity)", Number.POSITIVE_INFINITY, Math.pow(-1.00000001,Number.POSITIVE_INFINITY) ); 64 array[item++] = new TestCase( SECTION, "Math.pow(-1.00000001, -Infinity)", 0, Math.pow(-1.00000001,Number.NEGATIVE_INFINITY) ); 65 array[item++] = new TestCase( SECTION, "Math.pow(1, Infinity)", Number.NaN, Math.pow(1, Number.POSITIVE_INFINITY) ); 66 array[item++] = new TestCase( SECTION, "Math.pow(1, -Infinity)", Number.NaN, Math.pow(1, Number.NEGATIVE_INFINITY) ); 67 array[item++] = new TestCase( SECTION, "Math.pow(-1, Infinity)", Number.NaN, Math.pow(-1, Number.POSITIVE_INFINITY) ); 68 array[item++] = new TestCase( SECTION, "Math.pow(-1, -Infinity)", Number.NaN, Math.pow(-1, Number.NEGATIVE_INFINITY) ); 69 array[item++] = new TestCase( SECTION, "Math.pow(.0000000009, Infinity)", 0, Math.pow(.0000000009, Number.POSITIVE_INFINITY) ); 70 array[item++] = new TestCase( SECTION, "Math.pow(-.0000000009, Infinity)", 0, Math.pow(-.0000000009, Number.POSITIVE_INFINITY) ); 71 array[item++] = new TestCase( SECTION, "Math.pow(.0000000009, -Infinity)", Number.POSITIVE_INFINITY, Math.pow(-.0000000009, Number.NEGATIVE_INFINITY) ); 72 array[item++] = new TestCase( SECTION, "Math.pow(Infinity, .00000000001)", Number.POSITIVE_INFINITY, Math.pow(Number.POSITIVE_INFINITY,.00000000001) ); 73 array[item++] = new TestCase( SECTION, "Math.pow(Infinity, 1)", Number.POSITIVE_INFINITY, Math.pow(Number.POSITIVE_INFINITY, 1) ); 74 array[item++] = new TestCase( SECTION, "Math.pow(Infinity, -.00000000001)",0, Math.pow(Number.POSITIVE_INFINITY, -.00000000001) ); 75 array[item++] = new TestCase( SECTION, "Math.pow(Infinity, -1)", 0, Math.pow(Number.POSITIVE_INFINITY, -1) ); 76 array[item++] = new TestCase( SECTION, "Math.pow(-Infinity, 1)", Number.NEGATIVE_INFINITY, Math.pow(Number.NEGATIVE_INFINITY, 1) ); 77 array[item++] = new TestCase( SECTION, "Math.pow(-Infinity, 333)", Number.NEGATIVE_INFINITY, Math.pow(Number.NEGATIVE_INFINITY, 333) ); 78 array[item++] = new TestCase( SECTION, "Math.pow(Infinity, 2)", Number.POSITIVE_INFINITY, Math.pow(Number.POSITIVE_INFINITY, 2) ); 79 array[item++] = new TestCase( SECTION, "Math.pow(-Infinity, 666)", Number.POSITIVE_INFINITY, Math.pow(Number.NEGATIVE_INFINITY, 666) ); 80 array[item++] = new TestCase( SECTION, "Math.pow(-Infinity, 0.5)", Number.POSITIVE_INFINITY, Math.pow(Number.NEGATIVE_INFINITY, 0.5) ); 81 array[item++] = new TestCase( SECTION, "Math.pow(-Infinity, Infinity)", Number.POSITIVE_INFINITY, Math.pow(Number.NEGATIVE_INFINITY, Number.POSITIVE_INFINITY) ); 82 83 array[item++] = new TestCase( SECTION, "Math.pow(-Infinity, -1)", -0, Math.pow(Number.NEGATIVE_INFINITY, -1) ); 84 array[item++] = new TestCase( SECTION, "Infinity/Math.pow(-Infinity, -1)", -Infinity, Infinity/Math.pow(Number.NEGATIVE_INFINITY, -1) ); 85 86 array[item++] = new TestCase( SECTION, "Math.pow(-Infinity, -3)", -0, Math.pow(Number.NEGATIVE_INFINITY, -3) ); 87 array[item++] = new TestCase( SECTION, "Math.pow(-Infinity, -2)", 0, Math.pow(Number.NEGATIVE_INFINITY, -2) ); 88 array[item++] = new TestCase( SECTION, "Math.pow(-Infinity, -0.5)", 0, Math.pow(Number.NEGATIVE_INFINITY,-0.5) ); 89 array[item++] = new TestCase( SECTION, "Math.pow(-Infinity, -Infinity)", 0, Math.pow(Number.NEGATIVE_INFINITY, Number.NEGATIVE_INFINITY) ); 90 array[item++] = new TestCase( SECTION, "Math.pow(0, 1)", 0, Math.pow(0,1) ); 91 array[item++] = new TestCase( SECTION, "Math.pow(0, 0)", 1, Math.pow(0,0) ); 92 array[item++] = new TestCase( SECTION, "Math.pow(1, 0)", 1, Math.pow(1,0) ); 93 array[item++] = new TestCase( SECTION, "Math.pow(-1, 0)", 1, Math.pow(-1,0) ); 94 array[item++] = new TestCase( SECTION, "Math.pow(0, 0.5)", 0, Math.pow(0,0.5) ); 95 array[item++] = new TestCase( SECTION, "Math.pow(0, 1000)", 0, Math.pow(0,1000) ); 96 array[item++] = new TestCase( SECTION, "Math.pow(0, Infinity)", 0, Math.pow(0, Number.POSITIVE_INFINITY) ); 97 array[item++] = new TestCase( SECTION, "Math.pow(0, -1)", Number.POSITIVE_INFINITY, Math.pow(0, -1) ); 98 array[item++] = new TestCase( SECTION, "Math.pow(0, -0.5)", Number.POSITIVE_INFINITY, Math.pow(0, -0.5) ); 99 array[item++] = new TestCase( SECTION, "Math.pow(0, -1000)", Number.POSITIVE_INFINITY, Math.pow(0, -1000) ); 100 array[item++] = new TestCase( SECTION, "Math.pow(0, -Infinity)", Number.POSITIVE_INFINITY, Math.pow(0, Number.NEGATIVE_INFINITY) ); 101 array[item++] = new TestCase( SECTION, "Math.pow(-0, 1)", -0, Math.pow(-0, 1) ); 102 array[item++] = new TestCase( SECTION, "Math.pow(-0, 3)", -0, Math.pow(-0,3) ); 103 104 array[item++] = new TestCase( SECTION, "Infinity/Math.pow(-0, 1)", -Infinity, Infinity/Math.pow(-0, 1) ); 105 array[item++] = new TestCase( SECTION, "Infinity/Math.pow(-0, 3)", -Infinity, Infinity/Math.pow(-0,3) ); 106 107 array[item++] = new TestCase( SECTION, "Math.pow(-0, 2)", 0, Math.pow(-0,2) ); 108 array[item++] = new TestCase( SECTION, "Math.pow(-0, Infinity)", 0, Math.pow(-0, Number.POSITIVE_INFINITY) ); 109 array[item++] = new TestCase( SECTION, "Math.pow(-0, -1)", Number.NEGATIVE_INFINITY, Math.pow(-0, -1) ); 110 array[item++] = new TestCase( SECTION, "Math.pow(-0, -10001)", Number.NEGATIVE_INFINITY, Math.pow(-0, -10001) ); 111 array[item++] = new TestCase( SECTION, "Math.pow(-0, -2)", Number.POSITIVE_INFINITY, Math.pow(-0, -2) ); 112 array[item++] = new TestCase( SECTION, "Math.pow(-0, 0.5)", 0, Math.pow(-0, 0.5) ); 113 array[item++] = new TestCase( SECTION, "Math.pow(-0, Infinity)", 0, Math.pow(-0, Number.POSITIVE_INFINITY) ); 114 array[item++] = new TestCase( SECTION, "Math.pow(-1, 0.5)", Number.NaN, Math.pow(-1, 0.5) ); 115 array[item++] = new TestCase( SECTION, "Math.pow(-1, NaN)", Number.NaN, Math.pow(-1, Number.NaN) ); 116 array[item++] = new TestCase( SECTION, "Math.pow(-1, -0.5)", Number.NaN, Math.pow(-1, -0.5) ); 117 118 return ( array ); 119 } 120 function test() { 121 for ( tc=0; tc < testcases.length; tc++ ) { 122 testcases[tc].passed = writeTestCaseResult( 123 testcases[tc].expect, 124 testcases[tc].actual, 125 testcases[tc].description +" = "+ 126 testcases[tc].actual ); 127 128 testcases[tc].reason += ( testcases[tc].passed ) ? "" : "wrong value "; 129 } 130 stopTest(); 131 return ( testcases ); 132 } 133
