1 /*
2  * Copyright (c) 2004, Oracle and/or its affiliates. All rights reserved.
3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4  *
5  * This code is free software; you can redistribute it and/or modify it
6  * under the terms of the GNU General Public License version 2 only, as
7  * published by the Free Software Foundation.
8  *
9  * This code is distributed in the hope that it will be useful, but WITHOUT
10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12  * version 2 for more details (a copy is included in the LICENSE file that
13  * accompanied this code).
14  *
15  * You should have received a copy of the GNU General Public License version
16  * 2 along with this work; if not, write to the Free Software Foundation,
17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18  *
19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20  * or visit www.oracle.com if you need additional information or have any
21  * questions.
22  */
23 package test.java.lang.Math;
24 
25 import org.testng.annotations.Test;
26 
27 /*
28  * @test
29  * @bug 4984407
30  * @summary Tests for {Math, StrictMath}.atan2
31  * @author Joseph D. Darcy
32  */
33 
34 public class Atan2Tests {
35 
Atan2Tests()36     private Atan2Tests() {
37     }
38 
testAtan2Case(double input1, double input2, double expected)39     static void testAtan2Case(double input1, double input2, double expected) {
40         Tests.test("StrictMath.atan2(double, double)", input1, input2,
41                 StrictMath.atan2(input1, input2), expected);
42         Tests.test("Math.atan2(double, double)", input1, input2,
43                 Math.atan2(input1, input2), expected);
44     }
45 
46     @Test
testAtan2()47     public void testAtan2() {
48         double[][] testCases = {
49                 {-3.0, Double.POSITIVE_INFINITY, -0.0},
50         };
51 
52         for (double[] testCase : testCases) {
53             testAtan2Case(testCase[0], testCase[1], testCase[2]);
54         }
55     }
56 
57 }
58