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
24/*
25 * @test
26 * @bug 4984407
27 * @summary Tests for {Math, StrictMath}.atan2
28 * @author Joseph D. Darcy
29 */
30
31public class Atan2Tests {
32    private Atan2Tests(){}
33
34    static int testAtan2Case(double input1, double input2, double expected) {
35        int failures = 0;
36        failures += Tests.test("StrictMath.atan2(double, double)", input1, input2,
37                               StrictMath.atan2(input1, input2), expected);
38        failures += Tests.test("Math.atan2(double, double)", input1, input2,
39                               Math.atan2(input1, input2), expected);
40
41        return failures;
42    }
43
44    static int testAtan2() {
45        int failures = 0;
46
47        double [][] testCases = {
48            {-3.0,      Double.POSITIVE_INFINITY,       -0.0},
49        };
50
51        for (double[] testCase : testCases) {
52            failures+=testAtan2Case(testCase[0], testCase[1], testCase[2]);
53        }
54
55        return failures;
56    }
57
58    public static void main(String [] argv) {
59        int failures = 0;
60
61        failures += testAtan2();
62
63        if (failures > 0) {
64            System.err.println("Testing atan2 incurred "
65                               + failures + " failures.");
66            throw new RuntimeException();
67        }
68    }
69}
70