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/*
* Copyright (c) 2001, 2025, 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.
*/
/*
* @test
* @bug 4382876
* @summary Tests how PgUp and PgDn keys work with JSlider
* @key headful
* @run main bug4382876
*/
import java.awt.BorderLayout;
import java.awt.ComponentOrientation;
import java.awt.GraphicsConfiguration;
import java.awt.GraphicsEnvironment;
import java.awt.Robot;
import java.awt.event.KeyEvent;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
import javax.imageio.ImageIO;
import javax.swing.JFrame;
import javax.swing.JSlider;
import javax.swing.SwingUtilities;
public class bug4382876 {
private static Robot r;
private static JFrame f;
private static JSlider slider;
private static boolean upFail;
private static boolean downFail;
public static void main(String[] args) throws Exception {
try {
SwingUtilities.invokeAndWait(() -> {
f = new JFrame("JSlider PageUp/Down Test");
f.setSize(300, 200);
f.setLocationRelativeTo(null);
f.setVisible(true);
slider = new JSlider(-1000, -900, -1000);
slider.setComponentOrientation(ComponentOrientation.LEFT_TO_RIGHT);
slider.putClientProperty("JSlider.isFilled", Boolean.TRUE);
f.add(slider, BorderLayout.CENTER);
});
r = new Robot();
r.setAutoDelay(100);
r.waitForIdle();
r.delay(1000);
r.keyPress(KeyEvent.VK_PAGE_UP);
SwingUtilities.invokeAndWait(() -> {
if (slider.getValue() < -1000) {
System.out.println("PAGE_UP VAL: " + slider.getValue());
upFail = true;
}
});
if (upFail) {
writeFailImage();
throw new RuntimeException("Slider value did NOT change with PAGE_UP");
}
r.keyPress(KeyEvent.VK_PAGE_DOWN);
SwingUtilities.invokeAndWait(() -> {
if (slider.getValue() > -1000) {
System.out.println("PAGE_DOWN VAL: " + slider.getValue());
downFail = true;
}
});
if (downFail) {
writeFailImage();
throw new RuntimeException("Slider value did NOT change with PAGE_DOWN");
}
} finally {
SwingUtilities.invokeAndWait(() -> {
if (f != null) {
f.dispose();
}
});
}
}
private static void writeFailImage() throws IOException {
GraphicsConfiguration ge = GraphicsEnvironment
.getLocalGraphicsEnvironment().getDefaultScreenDevice()
.getDefaultConfiguration();
BufferedImage failImage = r.createScreenCapture(ge.getBounds());
ImageIO.write(failImage, "png", new File("failImage.png"));
}
}
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