1 /* 2 * Copyright 2004 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, 20 * CA 95054 USA or visit www.sun.com if you need additional information or 21 * have any questions. 22 */ 23 24 /* 25 * @test 26 * @bug 4984407 27 * @summary Tests for {Math, StrictMath}.atan2 28 * @compile -source 1.5 Atan2Tests.java 29 * @run main Atan2Tests 30 * @author Joseph D. Darcy 31 */ 32 33 public class Atan2Tests { 34 private Atan2Tests(){} 35 36 static int testAtan2Case(double input1, double input2, double expected) { 37 int failures = 0; 38 failures += Tests.test("StrictMath.atan2(double, double)", input1, input2, 39 StrictMath.atan2(input1, input2), expected); 40 failures += Tests.test("Math.atan2(double, double)", input1, input2, 41 Math.atan2(input1, input2), expected); 42 43 return failures; 44 } 45 46 static int testAtan2() { 47 int failures = 0; 48 49 double [][] testCases = { 50 {-3.0, Double.POSITIVE_INFINITY, -0.0}, 51 }; 52 53 for (double[] testCase : testCases) { 54 failures+=testAtan2Case(testCase[0], testCase[1], testCase[2]); 55 } 56 57 return failures; 58 } 59 60 public static void main(String [] argv) { 61 int failures = 0; 62 63 failures += testAtan2(); 64 65 if (failures > 0) { 66 System.err.println("Testing atan2 incurred " 67 + failures + " failures."); 68 throw new RuntimeException(); 69 } 70 } 71 }