MouseEvent/EventTimeInFuture/EventTimeInFuture.java

0N/A/*
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0N/A * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
0N/A * version 2 for more details (a copy is included in the LICENSE file that
0N/A * accompanied this code).
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0N/A
0N/A/*
0N/A  @test
0N/A  @bug 6451578
0N/A  @library ../../../regtesthelpers
0N/A  @build Sysout AbstractTest Util
0N/A  @summary A mouse listener method happens to process mouse events whose time is in the future.
0N/A  @author andrei dmitriev : area=awt.event
0N/A  @run main EventTimeInFuture
0N/A*/
0N/A
0N/Aimport java.awt.*;
0N/Aimport java.awt.event.*;
import test.java.awt.regtesthelpers.AbstractTest;
import test.java.awt.regtesthelpers.Sysout;
import test.java.awt.regtesthelpers.Util;

public class EventTimeInFuture {

    public static void main(String []s) {
        Frame frame = new SensibleFrame();

        frame.pack();
        frame.setLocationRelativeTo(null);
        frame.setVisible(true);

        Robot robot = Util.createRobot();
        Util.waitForIdle(robot);

        /* The defect may appear on every kind of mouse event: movement, press, etc.
         * so start mouse move from frame's outside. Use small threshhold depending on the
         * frame's size.
         */
        Point start = new Point(frame.getLocationOnScreen().x - frame.getWidth()/5,
                                frame.getLocationOnScreen().y - frame.getHeight()/5);
        Point end = new Point(frame.getLocationOnScreen().x + frame.getWidth() * 6 / 5,
                              frame.getLocationOnScreen().y + frame.getHeight() * 6 / 5);
        Sysout.println("start = " + start);
        Sysout.println("end = " + end);
        Util.mouseMove(robot, start, end);

        // Start drag inside toplevel.
        start = new Point(frame.getLocationOnScreen().x + frame.getWidth()/2,
                          frame.getLocationOnScreen().y + frame.getHeight()/2);
        end = new Point(frame.getLocationOnScreen().x + frame.getWidth() * 6 / 5,
                        frame.getLocationOnScreen().y + frame.getHeight() * 6 / 5);
        Util.drag(robot, start, end, MouseEvent.BUTTON1_MASK);
    }
}

class SensibleFrame extends Frame implements MouseListener,
    MouseMotionListener{

    public SensibleFrame(){
        super("Is event time in future");
        setPreferredSize(new Dimension(100,100));
        setBackground(Color.white);
        addMouseListener(this);
        addMouseMotionListener(this);
    }

    private void traceMouse(String k, MouseEvent e){
        long eventTime = e.getWhen();
        long currTime = System.currentTimeMillis();
        long diff = currTime - eventTime;

        Sysout.println(k + " diff is " + diff + ", event is "+ e);

        if (diff < 0){
            AbstractTest.fail(k + " diff is " + diff + ", event = "+e);
        }
    }

    public void mouseMoved(MouseEvent e){
        traceMouse("moved",e);
    }

    public void mouseEntered(MouseEvent e){
        traceMouse("entered",e);
    }
    public void mouseExited(MouseEvent e){
        traceMouse("exited",e);
    }
    public void mouseClicked(MouseEvent e){
        traceMouse("clicked",e);
    }
    public void mousePressed(MouseEvent e){
        traceMouse("pressed",e);
    }
    public void mouseReleased(MouseEvent e){
        traceMouse("released",e);
    }
    public void mouseDragged(MouseEvent e){
        traceMouse("dragged",e);
    }
}