/*

 * Copyright (c) 2004, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

/*

 * @test

 * @bug 4984407

 * @summary Tests for {Math, StrictMath}.atan2

 * @author Joseph D. Darcy

 */

public class Atan2Tests {

    private Atan2Tests(){}

    static int testAtan2Case(double input1, double input2, double expected) {

        int failures = 0;

        failures += Tests.test("StrictMath.atan2(double, double)", input1, input2,

                               StrictMath.atan2(input1, input2), expected);

        failures += Tests.test("Math.atan2(double, double)", input1, input2,

                               Math.atan2(input1, input2), expected);

        return failures;

    }

    static int testAtan2() {

        int failures = 0;

        double [][] testCases = {

            {-3.0,      Double.POSITIVE_INFINITY,       -0.0},

        };

        for (double[] testCase : testCases) {

            failures+=testAtan2Case(testCase[0], testCase[1], testCase[2]);

        }

        return failures;

    }

    public static void main(String [] argv) {

        int failures = 0;

        failures += testAtan2();

        if (failures > 0) {

            System.err.println("Testing atan2 incurred "

                               + failures + " failures.");

            throw new RuntimeException();

        }

    }

}