bug6401380.java

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/* @test
   @bug 6401380
   @summary JSlider - mouse click ont the left side of the knob is ignored.
   @library ../../../../lib/testlibrary
   @build ExtendedRobot
   @author Alexander Potochkin
   @run main bug6401380
*/

import javax.swing.*;
import javax.swing.plaf.basic.BasicSliderUI;
import java.awt.*;
import java.awt.event.InputEvent;

public class bug6401380 extends JFrame {
    private static JSlider slider;

    public bug6401380() {
        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

        slider = new JSlider();
        slider.setMajorTickSpacing(0);
        slider.setMaximum(50);
        slider.setMinorTickSpacing(10);
        slider.setPaintLabels(true);
        slider.setPaintTicks(true);
        slider.setSnapToTicks(true);

        // MetalSliderUI overrides scrollDueToClickInTrack() method
        // so this test doens't work for Metal
        slider.setUI(new BasicSliderUI(slider));

        add(slider);
        setSize(200, 200);
    }

    public static void main(String[] args) throws Exception {

        ExtendedRobot robot = new ExtendedRobot();
        robot.setAutoDelay(10);

        SwingUtilities.invokeAndWait(new Runnable() {
            public void run() {
                new bug6401380().setVisible(true);
            }
        });
        robot.waitForIdle();

        Point l = slider.getLocationOnScreen();
        robot.glide(0, 0, l.x + slider.getWidth() / 2, l.y + slider.getHeight() / 2);
        robot.mousePress(InputEvent.BUTTON1_MASK);
        robot.mouseRelease(InputEvent.BUTTON1_MASK);

        robot.waitForIdle();

        if (slider.getValue() == slider.getMaximum()) {
            throw new RuntimeException("Slider value unchanged");
        }
    }
}