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: 15.8.2.17.js 24 ECMA Section: 15.8.2.17 Math.sqrt(x) 25 Description: return an approximation to the squareroot of the argument. 26 special cases: 27 - if x is NaN return NaN 28 - if x < 0 return NaN 29 - if x == 0 return 0 30 - if x == -0 return -0 31 - if x == Infinity return Infinity 32 Author: christine@netscape.com 33 Date: 7 july 1997 34*/ 35 36 var SECTION = "15.8.2.17"; 37 var VERSION = "ECMA_1"; 38 startTest(); 39 var TITLE = "Math.sqrt(x)"; 40 41 writeHeaderToLog( SECTION + " "+ TITLE); 42 43 var testcases = getTestCases(); 44 test(); 45 46function getTestCases() { 47 var array = new Array(); 48 var item = 0; 49 50 array[item++] = new TestCase( SECTION, "Math.sqrt.length", 1, Math.sqrt.length ); 51 52 array[item++] = new TestCase( SECTION, "Math.sqrt()", Number.NaN, Math.sqrt() ); 53 array[item++] = new TestCase( SECTION, "Math.sqrt(void 0)", Number.NaN, Math.sqrt(void 0) ); 54 array[item++] = new TestCase( SECTION, "Math.sqrt(null)", 0, Math.sqrt(null) ); 55 array[item++] = new TestCase( SECTION, "Math.sqrt(true)", 1, Math.sqrt(1) ); 56 array[item++] = new TestCase( SECTION, "Math.sqrt(false)", 0, Math.sqrt(false) ); 57 array[item++] = new TestCase( SECTION, "Math.sqrt('225')", 15, Math.sqrt('225') ); 58 59 array[item++] = new TestCase( SECTION, "Math.sqrt(NaN)", Number.NaN, Math.sqrt(Number.NaN) ); 60 array[item++] = new TestCase( SECTION, "Math.sqrt(-Infinity)", Number.NaN, Math.sqrt(Number.NEGATIVE_INFINITY)); 61 array[item++] = new TestCase( SECTION, "Math.sqrt(-1)", Number.NaN, Math.sqrt(-1)); 62 array[item++] = new TestCase( SECTION, "Math.sqrt(-0.5)", Number.NaN, Math.sqrt(-0.5)); 63 array[item++] = new TestCase( SECTION, "Math.sqrt(0)", 0, Math.sqrt(0)); 64 array[item++] = new TestCase( SECTION, "Math.sqrt(-0)", -0, Math.sqrt(-0)); 65 array[item++] = new TestCase( SECTION, "Infinity/Math.sqrt(-0)", -Infinity, Infinity/Math.sqrt(-0) ); 66 array[item++] = new TestCase( SECTION, "Math.sqrt(Infinity)", Number.POSITIVE_INFINITY, Math.sqrt(Number.POSITIVE_INFINITY)); 67 array[item++] = new TestCase( SECTION, "Math.sqrt(1)", 1, Math.sqrt(1)); 68 array[item++] = new TestCase( SECTION, "Math.sqrt(2)", Math.SQRT2, Math.sqrt(2)); 69 array[item++] = new TestCase( SECTION, "Math.sqrt(0.5)", Math.SQRT1_2, Math.sqrt(0.5)); 70 array[item++] = new TestCase( SECTION, "Math.sqrt(4)", 2, Math.sqrt(4)); 71 array[item++] = new TestCase( SECTION, "Math.sqrt(9)", 3, Math.sqrt(9)); 72 array[item++] = new TestCase( SECTION, "Math.sqrt(16)", 4, Math.sqrt(16)); 73 array[item++] = new TestCase( SECTION, "Math.sqrt(25)", 5, Math.sqrt(25)); 74 array[item++] = new TestCase( SECTION, "Math.sqrt(36)", 6, Math.sqrt(36)); 75 array[item++] = new TestCase( SECTION, "Math.sqrt(49)", 7, Math.sqrt(49)); 76 array[item++] = new TestCase( SECTION, "Math.sqrt(64)", 8, Math.sqrt(64)); 77 array[item++] = new TestCase( SECTION, "Math.sqrt(256)", 16, Math.sqrt(256)); 78 array[item++] = new TestCase( SECTION, "Math.sqrt(10000)", 100, Math.sqrt(10000)); 79 array[item++] = new TestCase( SECTION, "Math.sqrt(65536)", 256, Math.sqrt(65536)); 80 array[item++] = new TestCase( SECTION, "Math.sqrt(0.09)", 0.3, Math.sqrt(0.09)); 81 array[item++] = new TestCase( SECTION, "Math.sqrt(0.01)", 0.1, Math.sqrt(0.01)); 82 array[item++] = new TestCase( SECTION, "Math.sqrt(0.00000001)",0.0001, Math.sqrt(0.00000001)); 83 84 return ( array ); 85} 86 87function test() { 88 for ( tc=0; tc < testcases.length; tc++ ) { 89 testcases[tc].passed = writeTestCaseResult( 90 testcases[tc].expect, 91 testcases[tc].actual, 92 testcases[tc].description +" = "+ 93 testcases[tc].actual ); 94 95 testcases[tc].reason += ( testcases[tc].passed ) ? "" : "wrong value "; 96 } 97 stopTest(); 98 return ( testcases ); 99}