1 /* 2 * Copyright (c) 1998, 2015, 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 import java.awt.Button; 24 import java.awt.Frame; 25 import java.awt.Rectangle; 26 import java.awt.Robot; 27 import jdk.testlibrary.OSInfo; 28 29 /* 30 * @test 1.2 98/08/05 31 * @bug 4373478 8079255 32 * @summary Test mouse wheel functionality of Robot 33 * @author bchristi: area=Robot 34 * @library ../../../../lib/testlibrary 35 * @build jdk.testlibrary.OSInfo 36 * @run main RobotWheelTest 37 */ 38 public class RobotWheelTest { 39 40 private static final int NUMTESTS = 20; 41 private static volatile int wheelRotation; 42 43 public static void main(String[] args) throws Exception { 44 45 Frame frame = null; 46 try { 47 int wheelSign = OSInfo.getOSType().equals(OSInfo.OSType.MACOSX) ? -1 : 1; 48 49 frame = new Frame(); 50 frame.setSize(200, 200); 51 Button button = new Button("WheelButton"); 52 button.addMouseWheelListener(e -> wheelRotation = e.getWheelRotation()); 53 frame.add(button); 54 frame.setVisible(true); 55 56 Robot robot = new Robot(); 57 robot.setAutoDelay(100); 58 robot.waitForIdle(); 59 60 Rectangle bounds = frame.getBounds(); 61 int centerX = bounds.x + bounds.width / 2; 62 int centerY = bounds.y + bounds.height / 2; 63 robot.mouseMove(centerX, centerY); 64 robot.waitForIdle(); 65 66 for (int i = -NUMTESTS; i <= NUMTESTS; i++) { 67 if (i == 0) { 68 continue; 69 } 70 robot.mouseWheel(i); 71 robot.waitForIdle(); 72 if (i != wheelSign * wheelRotation) { 73 throw new RuntimeException("wheelRotation = " + wheelRotation 74 + ", expected value = " + i); 75 } 76 } 77 } finally { 78 if (frame != null) { 79 frame.dispose(); 80 } 81 } 82 } 83 }