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comparison: js/src/tests/ecma/Math/15.8.2.4.js
js/src/tests/ecma/Math/15.8.2.4.js
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| 1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 2 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 | |
| 7 /** | |
| 8 File Name: 15.8.2.4.js | |
| 9 ECMA Section: 15.8.2.4 atan( x ) | |
| 10 Description: return an approximation to the arc tangent of the | |
| 11 argument. the result is expressed in radians and | |
| 12 range is from -PI/2 to +PI/2. special cases: | |
| 13 - if x is NaN, the result is NaN | |
| 14 - if x == +0, the result is +0 | |
| 15 - if x == -0, the result is -0 | |
| 16 - if x == +Infinity, the result is approximately +PI/2 | |
| 17 - if x == -Infinity, the result is approximately -PI/2 | |
| 18 Author: christine@netscape.com | |
| 19 Date: 7 july 1997 | |
| 20 | |
| 21 */ | |
| 22 | |
| 23 var SECTION = "15.8.2.4"; | |
| 24 var VERSION = "ECMA_1"; | |
| 25 var TITLE = "Math.atan()"; | |
| 26 var BUGNUMBER="77391"; | |
| 27 | |
| 28 startTest(); | |
| 29 | |
| 30 writeHeaderToLog( SECTION + " "+ TITLE); | |
| 31 | |
| 32 new TestCase( SECTION, | |
| 33 "Math.atan.length", | |
| 34 1, | |
| 35 Math.atan.length ); | |
| 36 | |
| 37 new TestCase( SECTION, | |
| 38 "Math.atan()", | |
| 39 Number.NaN, | |
| 40 Math.atan() ); | |
| 41 | |
| 42 new TestCase( SECTION, | |
| 43 "Math.atan(void 0)", | |
| 44 Number.NaN, | |
| 45 Math.atan(void 0) ); | |
| 46 | |
| 47 new TestCase( SECTION, | |
| 48 "Math.atan(null)", | |
| 49 0, | |
| 50 Math.atan(null) ); | |
| 51 | |
| 52 new TestCase( SECTION, | |
| 53 "Math.atan(NaN)", | |
| 54 Number.NaN, | |
| 55 Math.atan(Number.NaN) ); | |
| 56 | |
| 57 new TestCase( SECTION, | |
| 58 "Math.atan('a string')", | |
| 59 Number.NaN, | |
| 60 Math.atan("a string") ); | |
| 61 | |
| 62 new TestCase( SECTION, | |
| 63 "Math.atan('0')", | |
| 64 0, | |
| 65 Math.atan('0') ); | |
| 66 | |
| 67 new TestCase( SECTION, | |
| 68 "Math.atan('1')", | |
| 69 Math.PI/4, | |
| 70 Math.atan('1') ); | |
| 71 | |
| 72 new TestCase( SECTION, | |
| 73 "Math.atan('-1')", | |
| 74 -Math.PI/4, | |
| 75 Math.atan('-1') ); | |
| 76 | |
| 77 new TestCase( SECTION, | |
| 78 "Math.atan('Infinity)", | |
| 79 Math.PI/2, | |
| 80 Math.atan('Infinity') ); | |
| 81 | |
| 82 new TestCase( SECTION, | |
| 83 "Math.atan('-Infinity)", | |
| 84 -Math.PI/2, | |
| 85 Math.atan('-Infinity') ); | |
| 86 | |
| 87 new TestCase( SECTION, | |
| 88 "Math.atan(0)", | |
| 89 0, | |
| 90 Math.atan(0) ); | |
| 91 | |
| 92 new TestCase( SECTION, | |
| 93 "Math.atan(-0)", | |
| 94 -0, | |
| 95 Math.atan(-0) ); | |
| 96 | |
| 97 new TestCase( SECTION, | |
| 98 "Infinity/Math.atan(-0)", | |
| 99 -Infinity, | |
| 100 Infinity/Math.atan(-0) ); | |
| 101 | |
| 102 new TestCase( SECTION, | |
| 103 "Math.atan(Infinity)", | |
| 104 Math.PI/2, | |
| 105 Math.atan(Number.POSITIVE_INFINITY) ); | |
| 106 | |
| 107 new TestCase( SECTION, | |
| 108 "Math.atan(-Infinity)", | |
| 109 -Math.PI/2, | |
| 110 Math.atan(Number.NEGATIVE_INFINITY) ); | |
| 111 | |
| 112 new TestCase( SECTION, | |
| 113 "Math.atan(1)", | |
| 114 Math.PI/4, | |
| 115 Math.atan(1) ); | |
| 116 | |
| 117 new TestCase( SECTION, | |
| 118 "Math.atan(-1)", | |
| 119 -Math.PI/4, | |
| 120 Math.atan(-1) ); | |
| 121 | |
| 122 test(); |
