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: 15.8.2.3.js 24 ECMA Section: 15.8.2.3 asin( x ) 25 Description: return an approximation to the arc sine of the 26 argument. the result is expressed in radians and 27 range is from -PI/2 to +PI/2. special cases: 28 - if x is NaN, the result is NaN 29 - if x > 1, the result is NaN 30 - if x < -1, the result is NaN 31 - if x == +0, the result is +0 32 - if x == -0, the result is -0 33 Author: christine (at) netscape.com 34 Date: 7 july 1997 35 36 */ 37 var SECTION = "15.8.2.3"; 38 var VERSION = "ECMA_1"; 39 startTest(); 40 var TITLE = "Math.asin()"; 41 42 writeHeaderToLog( SECTION + " "+ TITLE); 43 44 var testcases = getTestCases(); 45 test(); 46 47 function getTestCases() { 48 var array = new Array(); 49 var item = 0; 50 51 array[item++] = new TestCase( SECTION, "Math.asin()", Number.NaN, Math.asin() ); 52 array[item++] = new TestCase( SECTION, "Math.asin(void 0)", Number.NaN, Math.asin(void 0) ); 53 array[item++] = new TestCase( SECTION, "Math.asin(null)", 0, Math.asin(null) ); 54 array[item++] = new TestCase( SECTION, "Math.asin(NaN)", Number.NaN, Math.asin(Number.NaN) ); 55 56 array[item++] = new TestCase( SECTION, "Math.asin('string')", Number.NaN, Math.asin("string") ); 57 array[item++] = new TestCase( SECTION, "Math.asin('0')", 0, Math.asin("0") ); 58 array[item++] = new TestCase( SECTION, "Math.asin('1')", Math.PI/2, Math.asin("1") ); 59 array[item++] = new TestCase( SECTION, "Math.asin('-1')", -Math.PI/2, Math.asin("-1") ); 60 array[item++] = new TestCase( SECTION, "Math.asin(Math.SQRT1_2+'')", Math.PI/4, Math.asin(Math.SQRT1_2+'') ); 61 array[item++] = new TestCase( SECTION, "Math.asin(-Math.SQRT1_2+'')", -Math.PI/4, Math.asin(-Math.SQRT1_2+'') ); 62 63 array[item++] = new TestCase( SECTION, "Math.asin(1.000001)", Number.NaN, Math.asin(1.000001) ); 64 array[item++] = new TestCase( SECTION, "Math.asin(-1.000001)", Number.NaN, Math.asin(-1.000001) ); 65 array[item++] = new TestCase( SECTION, "Math.asin(0)", 0, Math.asin(0) ); 66 array[item++] = new TestCase( SECTION, "Math.asin(-0)", -0, Math.asin(-0) ); 67 68 array[item++] = new TestCase( SECTION, "Infinity/Math.asin(-0)", -Infinity, Infinity/Math.asin(-0) ); 69 70 array[item++] = new TestCase( SECTION, "Math.asin(1)", Math.PI/2, Math.asin(1) ); 71 array[item++] = new TestCase( SECTION, "Math.asin(-1)", -Math.PI/2, Math.asin(-1) ); 72 array[item++] = new TestCase( SECTION, "Math.asin(Math.SQRT1_2))", Math.PI/4, Math.asin(Math.SQRT1_2) ); 73 array[item++] = new TestCase( SECTION, "Math.asin(-Math.SQRT1_2))", -Math.PI/4, Math.asin(-Math.SQRT1_2)); 74 75 return ( array ); 76 } 77 78 function test() { 79 for ( tc=0; tc < testcases.length; tc++ ) { 80 testcases[tc].passed = writeTestCaseResult( 81 testcases[tc].expect, 82 testcases[tc].actual, 83 testcases[tc].description +" = "+ 84 testcases[tc].actual ); 85 86 testcases[tc].reason += ( testcases[tc].passed ) ? "" : "wrong value "; 87 } 88 stopTest(); 89 return ( testcases ); 90 }
