bug4654927.java

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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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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,
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/*
 * @test
 * @bug 4654927
 * @summary Clicking on Greyed Menuitems closes the Menubar Dropdown
 * @author Alexander Potochkin
 * @library ../../regtesthelpers
 * @build Util
 * @run main bug4654927
 */

import javax.swing.*;

import java.awt.*;
import java.awt.event.InputEvent;
import java.util.concurrent.Callable;

public class bug4654927 {

    private static volatile JMenu menu;
    private static volatile JMenuItem menuItem;

    public static void main(String[] args) throws Exception {
        String systemLAF = UIManager.getSystemLookAndFeelClassName();
        // the test is not applicable to Motif L&F
        if(systemLAF.endsWith("MotifLookAndFeel")){
            return;
        }

        UIManager.setLookAndFeel(systemLAF);
        Robot robot = new Robot();
        robot.setAutoDelay(10);

        SwingUtilities.invokeAndWait(new Runnable() {

            public void run() {
                createAndShowUI();
            }
        });
        robot.waitForIdle();

        // test mouse press
        Point point = Util.getCenterPoint(menu);
        robot.mouseMove(point.x, point.y);
        robot.mousePress(InputEvent.BUTTON1_MASK);
        robot.mouseRelease(InputEvent.BUTTON1_MASK);
        robot.waitForIdle();

        point = Util.getCenterPoint(menuItem);
        robot.mouseMove(point.x, point.y);
        robot.mousePress(InputEvent.BUTTON1_MASK);
        robot.mouseRelease(InputEvent.BUTTON1_MASK);
        robot.waitForIdle();

        if (!isMenuItemShowing()) {
            throw new RuntimeException("Popup is unexpectedly closed");
        }

        // test mouse drag
        point = Util.getCenterPoint(menu);
        robot.mouseMove(point.x, point.y);
        Point menuLocation = Util.invokeOnEDT(new Callable<Point>() {

            @Override
            public Point call() throws Exception {
                return menu.getLocationOnScreen();
            }
        });

        Point itemLocation = Util.invokeOnEDT(new Callable<Point>() {

            @Override
            public Point call() throws Exception {
                return menuItem.getLocationOnScreen();
            }
        });

        int x0 = menuLocation.x + 10;
        int y0 = menuLocation.y + 10;
        int x1 = itemLocation.x + 10;
        int y1 = itemLocation.y + 10;

        // close menu
        robot.mousePress(InputEvent.BUTTON1_MASK);
        robot.mouseRelease(InputEvent.BUTTON1_MASK);
        robot.waitForIdle();

        robot.mousePress(InputEvent.BUTTON1_MASK);
        Util.glide(robot, x0, y0, x1, y1);
        robot.mouseRelease(InputEvent.BUTTON1_MASK);
        robot.waitForIdle();

        if (!isMenuItemShowing()) {
            throw new RuntimeException("Popup is unexpectedly closed");
        }
    }

    private static boolean isMenuItemShowing() throws Exception {
        return Util.invokeOnEDT(new Callable<Boolean>() {

            @Override
            public Boolean call() throws Exception {
                return menuItem.isShowing();
            }
        });
    }

    private static void createAndShowUI() {
        JFrame frame = new JFrame();
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

        menu = new JMenu("Menu");
        menu.add(new JMenuItem("menuItem"));
        menuItem = new JMenuItem("menuItem");
        menuItem.setEnabled(false);
        menu.add(menuItem);
        menu.add(new JMenuItem("menuItem"));

        JMenuBar bar = new JMenuBar();
        bar.add(menu);
        frame.setJMenuBar(bar);

        frame.setSize(200, 200);
        frame.setLocationRelativeTo(null);
        frame.setVisible(true);

    }
}