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Java example source code file (bug6827786.java)

This example Java source code file (bug6827786.java) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Learn more about this Java project at its project page.

Java - Java tags/keywords

awt, event, exception, failed, focus, gui, jframe, jmenu, jmenubar, jmenuitem, menuelement, override, robot, runnable, runtimeexception, special, suntoolkit, swing

The bug6827786.java Java example source code

/*
 * Copyright (c) 2007, 2013, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

/*
 * @test
 * @bug 6827786
 * @summary Tests duplicate mnemonics
 * @author Peter Zhelezniakov
 * @library ../../regtesthelpers
 * @build Util
 * @run main bug6827786
 */
import java.awt.*;
import java.awt.event.KeyEvent;
import javax.swing.*;
import sun.awt.SunToolkit;

public class bug6827786 {

    private static JMenu menu;
    private static Component focusable;

    public static void main(String[] args) throws Exception {
        SunToolkit toolkit = (SunToolkit) Toolkit.getDefaultToolkit();
        Robot robot = new Robot();
        robot.setAutoDelay(50);

        SwingUtilities.invokeAndWait(new Runnable() {

            public void run() {
                createAndShowGUI();
            }
        });

        toolkit.realSync();

        SwingUtilities.invokeAndWait(new Runnable() {

            public void run() {
                focusable.requestFocus();
            }
        });

        toolkit.realSync();
        checkfocus();

        // select menu
        if (sun.awt.OSInfo.getOSType() == sun.awt.OSInfo.OSType.MACOSX) {
            Util.hitKeys(robot, KeyEvent.VK_CONTROL, KeyEvent.VK_ALT, KeyEvent.VK_F);
        } else {
            Util.hitKeys(robot, KeyEvent.VK_ALT, KeyEvent.VK_F);
        }
        // select submenu
        Util.hitKeys(robot, KeyEvent.VK_S);
        toolkit.realSync();
        // verify submenu is selected
        verify(1);

        Util.hitKeys(robot, KeyEvent.VK_S);
        toolkit.realSync();
        // verify last item is selected
        verify(2);

        Util.hitKeys(robot, KeyEvent.VK_S);
        toolkit.realSync();
        // selection should wrap to first item
        verify(0);

        System.out.println("PASSED");

    }

    private static void checkfocus() throws Exception {
        SwingUtilities.invokeAndWait(new Runnable() {

            public void run() {
                if (!focusable.isFocusOwner()) {
                    throw new RuntimeException("Button is not the focus owner.");
                }
            }
        });
    }

    private static void verify(final int index) throws Exception {
        SwingUtilities.invokeAndWait(new Runnable() {

            @Override
            public void run() {
                MenuElement[] path =
                        MenuSelectionManager.defaultManager().getSelectedPath();
                MenuElement item = path[3];
                if (item != menu.getMenuComponent(index)) {
                    System.err.println("Selected: " + item);
                    System.err.println("Should be: "
                            + menu.getMenuComponent(index));
                    throw new RuntimeException("Test Failed");
                }
            }
        });
    }

    private static JMenuBar createMenuBar() {
        menu = new JMenu("File");
        menu.setMnemonic('F');

        menu.add(new JMenuItem("Save", 'S'));

        JMenu sub = new JMenu("Submenu");
        sub.setMnemonic('S');
        sub.add(new JMenuItem("Sub Item"));
        menu.add(sub);

        menu.add(new JMenuItem("Special", 'S'));

        JMenuBar bar = new JMenuBar();
        bar.add(menu);
        return bar;
    }

    private static void createAndShowGUI() {
        JFrame frame = new JFrame("bug6827786");
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        frame.setJMenuBar(createMenuBar());
        focusable = new JButton("Set Focus Here");
        frame.add(focusable);
        frame.pack();
        frame.setVisible(true);
    }
}

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