809N/A/*
2362N/A * Copyright (c) 2004, Oracle and/or its affiliates. All rights reserved.
809N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
809N/A *
809N/A * This code is free software; you can redistribute it and/or modify it
809N/A * under the terms of the GNU General Public License version 2 only, as
809N/A * published by the Free Software Foundation.
809N/A *
809N/A * This code is distributed in the hope that it will be useful, but WITHOUT
809N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
809N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
809N/A * version 2 for more details (a copy is included in the LICENSE file that
809N/A * accompanied this code).
809N/A *
809N/A * You should have received a copy of the GNU General Public License version
809N/A * 2 along with this work; if not, write to the Free Software Foundation,
809N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
809N/A *
2362N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
2362N/A * or visit www.oracle.com if you need additional information or have any
2362N/A * questions.
809N/A */
809N/A
809N/A/*
809N/A * @test
809N/A * @bug 4984407
809N/A * @summary Tests for {Math, StrictMath}.atan2
809N/A * @author Joseph D. Darcy
809N/A */
809N/A
809N/Apublic class Atan2Tests {
809N/A private Atan2Tests(){}
809N/A
809N/A static int testAtan2Case(double input1, double input2, double expected) {
809N/A int failures = 0;
809N/A failures += Tests.test("StrictMath.atan2(double, double)", input1, input2,
809N/A StrictMath.atan2(input1, input2), expected);
809N/A failures += Tests.test("Math.atan2(double, double)", input1, input2,
809N/A Math.atan2(input1, input2), expected);
809N/A
809N/A return failures;
809N/A }
809N/A
809N/A static int testAtan2() {
809N/A int failures = 0;
809N/A
809N/A double [][] testCases = {
809N/A {-3.0, Double.POSITIVE_INFINITY, -0.0},
809N/A };
809N/A
809N/A for (double[] testCase : testCases) {
809N/A failures+=testAtan2Case(testCase[0], testCase[1], testCase[2]);
809N/A }
809N/A
809N/A return failures;
809N/A }
809N/A
809N/A public static void main(String [] argv) {
809N/A int failures = 0;
809N/A
809N/A failures += testAtan2();
809N/A
809N/A if (failures > 0) {
809N/A System.err.println("Testing atan2 incurred "
809N/A + failures + " failures.");
809N/A throw new RuntimeException();
809N/A }
809N/A }
809N/A}