test/javax/swing/JSlider/6794831/bug6794831.java

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 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * version 2 for more details (a copy is included in the LICENSE file that
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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
 * @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.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 {
        new bug6794831().run();
    }

    private void run() throws InterruptedException {
        SwingUtilities.invokeLater(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);
    }
}