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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER .
*
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*
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* 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 ) .
*
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* 2 along with this work ; if not , write to the Free Software Foundation ,
* Inc . , 51 Franklin St , Fifth Floor , Boston , MA 02110 - 1301 USA .
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*/
/*
* @ test
* @ key headful
* @ bug 6794831
* @ summary Infinite loop while painting ticks on Slider with maximum = MAX_INT
* @ author Pavel Porvatov
@ run main bug6794831
*/
import javax.swing.*;
import javax.swing.plaf.basic.BasicSliderUI;
import java.awt.image.BufferedImage;
import java.lang.reflect.InvocationTargetException;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
public class bug6794831 {
private final CountDownLatch countDownLatch = new CountDownLatch(1 );
public static void main(String args[])
throws InterruptedException, InvocationTargetException {
new bug6794831().run();
}
private void run() throws InterruptedException, InvocationTargetException {
SwingUtilities.invokeAndWait(new Runnable() {
public void run() {
for (UIManager.LookAndFeelInfo lookAndFeelInfo : UIManager.getInstalledLookAndFeels()) {
try {
UIManager.setLookAndFeel(lookAndFeelInfo.getClassName());
} catch (Exception e) {
fail(e.getMessage());
}
BufferedImage image = new BufferedImage(300 , 200 , BufferedImage.TYPE_INT_ARGB);
// Test 1
JSlider slider = new JSlider(0 , Integer.MAX_VALUE - 1 , 0 );
slider.setMajorTickSpacing((Integer.MAX_VALUE - 1 ) / 4 );
slider.setPaintTicks(true );
((BasicSliderUI) slider.getUI()).paintTicks(image.getGraphics());
// Test 2
slider = new JSlider(0 , Integer.MAX_VALUE - 1 , 0 );
slider.setMinorTickSpacing((Integer.MAX_VALUE - 1 ) / 4 );
slider.setPaintTicks(true );
((BasicSliderUI) slider.getUI()).paintTicks(image.getGraphics());
// Test 3
slider = new JSlider(0 , Integer.MAX_VALUE - 1 , 0 );
slider.setOrientation(JSlider.VERTICAL);
slider.setMajorTickSpacing((Integer.MAX_VALUE - 1 ) / 4 );
slider.setPaintTicks(true );
((BasicSliderUI) slider.getUI()).paintTicks(image.getGraphics());
// Test 4
slider = new JSlider(0 , Integer.MAX_VALUE - 1 , 0 );
slider.setOrientation(JSlider.VERTICAL);
slider.setMinorTickSpacing((Integer.MAX_VALUE - 1 ) / 4 );
slider.setPaintTicks(true );
((BasicSliderUI) slider.getUI()).paintTicks(image.getGraphics());
countDownLatch.countDown();
}
}
});
if (countDownLatch.await(3000 , TimeUnit.MILLISECONDS)) {
System.out.println("bug6794831 passed" );
} else {
fail("bug6794831 failed" );
}
}
private static void fail(String msg) {
throw new RuntimeException(msg);
}
}
Messung V0.5 in Prozent C=95 H=86 G=90
¤ Dauer der Verarbeitung: 0.13 Sekunden
(vorverarbeitet am 2026-06-11)
¤
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