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/*
* Copyright (c) 1998, 2022, 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.
*/
import java.awt.Button;
import java.awt.Frame;
import java.awt.Rectangle;
import java.awt.Robot;
import java.util.concurrent.atomic.AtomicInteger;
import jdk.test.lib.Platform;
/*
* @test 1.2 98/08/05
* @key headful
* @bug 4373478 8079255
* @summary Test mouse wheel functionality of Robot
* @author bchristi: area=Robot
* @library /test/lib
* @build jdk.test.lib.Platform
* @run main RobotWheelTest
*/
public class RobotWheelTest {
private static final int NUMTESTS = 20;
private static AtomicInteger wheelRotation = new AtomicInteger();
private static int wheelSign = Platform.isOSX() ? -1 : 1;
static Robot robot;
static void waitTillSuccess(int i) {
boolean success = false;
for (int t = 0; t < 5; t++) {
if (i == wheelSign * wheelRotation.get()) {
success = true;
break;
}
System.out.printf(
"attempt #%d failed. wheelRotation = %d, expected value = %d\n",
t, wheelRotation.get(), i
);
robot.delay(100);
}
if (!success) {
throw new RuntimeException("wheelRotation = " + wheelRotation.get()
+ ", expected value = " + i);
}
}
public static void main(String[] args) throws Exception {
robot = new Robot();
Frame frame = null;
try {
frame = new Frame();
frame.setSize(200, 200);
Button button = new Button("WheelButton");
button.addMouseWheelListener(e -> wheelRotation.addAndGet(e.getWheelRotation()));
frame.add(button);
frame.setLocationRelativeTo(null);
frame.setVisible(true);
robot.setAutoDelay(100);
robot.waitForIdle();
Rectangle bounds = frame.getBounds();
int centerX = bounds.x + bounds.width / 2;
int centerY = bounds.y + bounds.height / 2;
robot.mouseMove(centerX, centerY);
robot.waitForIdle();
for (int i = -NUMTESTS; i <= NUMTESTS; i++) {
if (i == 0) {
continue;
}
wheelRotation.set(0);
robot.mouseWheel(i);
robot.waitForIdle();
waitTillSuccess(i);
}
} finally {
if (frame != null) {
frame.dispose();
}
}
}
}
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