JSlider/6923305/bug6923305.java

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 * version 2 for more details (a copy is included in the LICENSE file that
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/* @test
 * @bug 6923305
 * @summary SynthSliderUI paints the slider track when the slider's "paintTrack" property is set to false
 * @author Pavel Porvatov
 * @run main bug6923305
 */

import javax.swing.*;
import javax.swing.plaf.synth.SynthContext;
import javax.swing.plaf.synth.SynthLookAndFeel;
import javax.swing.plaf.synth.SynthSliderUI;
import java.awt.*;
import java.awt.image.BufferedImage;

public class bug6923305 {
    public static void main(String[] args) throws Exception {
        UIManager.setLookAndFeel(new SynthLookAndFeel());

        SwingUtilities.invokeAndWait(new Runnable() {
            public void run() {
                JSlider slider = new JSlider();

                slider.setUI(new SynthSliderUI(slider) {
                    @Override
                    protected void paintTrack(SynthContext context, Graphics g, Rectangle trackBounds) {
                        throw new RuntimeException("Test failed: the SynthSliderUI.paintTrack was invoked");
                    }
                });

                slider.setPaintTrack(false);
                slider.setSize(slider.getPreferredSize());

                BufferedImage bufferedImage = new BufferedImage(slider.getWidth(), slider.getHeight(),
                        BufferedImage.TYPE_INT_ARGB);

                slider.paint(bufferedImage.getGraphics());
            }
        });
    }
}