1 /* 2 * Copyright (c) 1998, 2018, 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 28 import jdk.test.lib.Platform; 29 30 /* 31 * @test 1.2 98/08/05 32 * @key headful 33 * @bug 4373478 8079255 34 * @summary Test mouse wheel functionality of Robot 35 * @author bchristi: area=Robot 36 * @library /test/lib 37 * @build jdk.test.lib.Platform 38 * @run main RobotWheelTest 39 */ 40 public class RobotWheelTest { 41 42 private static final int NUMTESTS = 20; 43 private static volatile int wheelRotation; 44 main(String[] args)45 public static void main(String[] args) throws Exception { 46 47 Frame frame = null; 48 try { 49 int wheelSign = Platform.isOSX() ? -1 : 1; 50 51 frame = new Frame(); 52 frame.setSize(200, 200); 53 Button button = new Button("WheelButton"); 54 button.addMouseWheelListener(e -> wheelRotation = e.getWheelRotation()); 55 frame.add(button); 56 frame.setVisible(true); 57 58 Robot robot = new Robot(); 59 robot.setAutoDelay(100); 60 robot.waitForIdle(); 61 62 Rectangle bounds = frame.getBounds(); 63 int centerX = bounds.x + bounds.width / 2; 64 int centerY = bounds.y + bounds.height / 2; 65 robot.mouseMove(centerX, centerY); 66 robot.waitForIdle(); 67 68 for (int i = -NUMTESTS; i <= NUMTESTS; i++) { 69 if (i == 0) { 70 continue; 71 } 72 robot.mouseWheel(i); 73 robot.waitForIdle(); 74 if (i != wheelSign * wheelRotation) { 75 throw new RuntimeException("wheelRotation = " + wheelRotation 76 + ", expected value = " + i); 77 } 78 } 79 } finally { 80 if (frame != null) { 81 frame.dispose(); 82 } 83 } 84 } 85 } 86