js/src/tests/ecma/Math/15.8.2.5.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: 15.8.2.5.js
9 ECMA Section: 15.8.2.5 atan2( y, x )
10 Description:
11
12 Author: christine@netscape.com
13 Date: 7 july 1997
14
15 */
16 var SECTION = "15.8.2.5";
17 var VERSION = "ECMA_1";
18 var TITLE = "Math.atan2(x,y)";
19 var BUGNUMBER="76111";
20
21 startTest();
22
23 writeHeaderToLog( SECTION + " "+ TITLE);
24
25 new TestCase( SECTION,
26 "Math.atan2.length",
27 2,
28 Math.atan2.length );
29
30 new TestCase( SECTION,
31 "Math.atan2(NaN, 0)",
32 Number.NaN,
33 Math.atan2(Number.NaN,0) );
34
35 new TestCase( SECTION,
36 "Math.atan2(null, null)",
37 0,
38 Math.atan2(null, null) );
39
40 new TestCase( SECTION,
41 "Math.atan2(void 0, void 0)",
42 Number.NaN,
43 Math.atan2(void 0, void 0) );
44
45 new TestCase( SECTION,
46 "Math.atan2()",
47 Number.NaN,
48 Math.atan2() );
49
50 new TestCase( SECTION,
51 "Math.atan2(0, NaN)",
52 Number.NaN,
53 Math.atan2(0,Number.NaN) );
54
55 new TestCase( SECTION,
56 "Math.atan2(1, 0)",
57 Math.PI/2,
58 Math.atan2(1,0) );
59
60 new TestCase( SECTION,
61 "Math.atan2(1,-0)",
62 Math.PI/2,
63 Math.atan2(1,-0) );
64
65 new TestCase( SECTION,
66 "Math.atan2(0,0.001)",
67 0,
68 Math.atan2(0,0.001) );
69
70 new TestCase( SECTION,
71 "Math.atan2(0,0)",
72 0,
73 Math.atan2(0,0) );
74
75 new TestCase( SECTION,
76 "Math.atan2(0, -0)",
77 Math.PI,
78 Math.atan2(0,-0) );
79
80 new TestCase( SECTION,
81 "Math.atan2(0, -1)",
82 Math.PI,
83 Math.atan2(0, -1) );
84
85 new TestCase( SECTION,
86 "Math.atan2(-0, 1)",
87 -0,
88 Math.atan2(-0, 1) );
89
90 new TestCase( SECTION,
91 "Infinity/Math.atan2(-0, 1)",
92 -Infinity,
93 Infinity/Math.atan2(-0,1) );
94
95 new TestCase( SECTION,
96 "Math.atan2(-0, 0)",
97 -0,
98 Math.atan2(-0,0) );
99
100 new TestCase( SECTION,
101 "Math.atan2(-0, -0)",
102 -Math.PI,
103 Math.atan2(-0, -0) );
104
105 new TestCase( SECTION,
106 "Math.atan2(-0, -1)",
107 -Math.PI,
108 Math.atan2(-0, -1) );
109
110 new TestCase( SECTION,
111 "Math.atan2(-1, 0)",
112 -Math.PI/2,
113 Math.atan2(-1, 0) );
114
115 new TestCase( SECTION,
116 "Math.atan2(-1, -0)",
117 -Math.PI/2,
118 Math.atan2(-1, -0) );
119
120 new TestCase( SECTION,
121 "Math.atan2(1, Infinity)",
122 0,
123 Math.atan2(1, Number.POSITIVE_INFINITY) );
124
125 new TestCase( SECTION,
126 "Math.atan2(1,-Infinity)",
127 Math.PI,
128 Math.atan2(1, Number.NEGATIVE_INFINITY) );
129
130 new TestCase( SECTION,
131 "Math.atan2(-1, Infinity)",
132 -0,
133 Math.atan2(-1,Number.POSITIVE_INFINITY) );
134
135 new TestCase( SECTION,
136 "Infinity/Math.atan2(-1, Infinity)",
137 -Infinity,
138 Infinity/Math.atan2(-1,Infinity) );
139
140 new TestCase( SECTION,
141 "Math.atan2(-1,-Infinity)",
142 -Math.PI,
143 Math.atan2(-1,Number.NEGATIVE_INFINITY) );
144
145 new TestCase( SECTION,
146 "Math.atan2(Infinity, 0)",
147 Math.PI/2,
148 Math.atan2(Number.POSITIVE_INFINITY, 0) );
149
150 new TestCase( SECTION,
151 "Math.atan2(Infinity, 1)",
152 Math.PI/2,
153 Math.atan2(Number.POSITIVE_INFINITY, 1) );
154
155 new TestCase( SECTION,
156 "Math.atan2(Infinity,-1)",
157 Math.PI/2,
158 Math.atan2(Number.POSITIVE_INFINITY,-1) );
159
160 new TestCase( SECTION,
161 "Math.atan2(Infinity,-0)",
162 Math.PI/2,
163 Math.atan2(Number.POSITIVE_INFINITY,-0) );
164
165 new TestCase( SECTION,
166 "Math.atan2(-Infinity, 0)",
167 -Math.PI/2,
168 Math.atan2(Number.NEGATIVE_INFINITY, 0) );
169
170 new TestCase( SECTION,
171 "Math.atan2(-Infinity,-0)",
172 -Math.PI/2,
173 Math.atan2(Number.NEGATIVE_INFINITY,-0) );
174
175 new TestCase( SECTION,
176 "Math.atan2(-Infinity, 1)",
177 -Math.PI/2,
178 Math.atan2(Number.NEGATIVE_INFINITY, 1) );
179
180 new TestCase( SECTION,
181 "Math.atan2(-Infinity, -1)",
182 -Math.PI/2,
183 Math.atan2(Number.NEGATIVE_INFINITY,-1) );
184
185 new TestCase( SECTION,
186 "Math.atan2(Infinity, Infinity)",
187 Math.PI/4,
188 Math.atan2(Number.POSITIVE_INFINITY, Number.POSITIVE_INFINITY) );
189
190 new TestCase( SECTION,
191 "Math.atan2(Infinity, -Infinity)",
192 3*Math.PI/4,
193 Math.atan2(Number.POSITIVE_INFINITY, Number.NEGATIVE_INFINITY) );
194
195 new TestCase( SECTION,
196 "Math.atan2(-Infinity, Infinity)",
197 -Math.PI/4,
198 Math.atan2(Number.NEGATIVE_INFINITY, Number.POSITIVE_INFINITY) );
199
200 new TestCase( SECTION,
201 "Math.atan2(-Infinity, -Infinity)",
202 -3*Math.PI/4,
203 Math.atan2(Number.NEGATIVE_INFINITY, Number.NEGATIVE_INFINITY) );
204
205 new TestCase( SECTION,
206 "Math.atan2(-1, 1)",
207 -Math.PI/4,
208 Math.atan2( -1, 1) );
209
210 test();

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