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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

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 * 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.

 *

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 */

/* @test

 * @bug 8073453

 * @summary Focus doesn't move when pressing Shift + Tab keys

 * @author Dmitry Markov

 * @compile SwingFocusTransitionTest.java

 * @run main/othervm SwingFocusTransitionTest

 */

import sun.awt.SunToolkit;

import javax.swing.*;

import java.awt.*;

import java.awt.event.KeyEvent;

public class SwingFocusTransitionTest {

    private static SunToolkit toolkit;

    private static Robot robot;

    private static JFrame frame;

    private static JTextField textField;

    private static JButton button;

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

        toolkit = (SunToolkit)Toolkit.getDefaultToolkit();

        robot = new Robot();

        robot.setAutoDelay(50);

        try {

            SwingUtilities.invokeAndWait(new Runnable() {

                @Override

                public void run() {

                    createAndShowGUI();

                }

            });

            toolkit.realSync();

            checkFocusOwner(textField);

            robot.keyPress(KeyEvent.VK_TAB);

            robot.keyRelease(KeyEvent.VK_TAB);

            toolkit.realSync();

            checkFocusOwner(button);

            robot.keyPress(KeyEvent.VK_SHIFT);

            robot.keyPress(KeyEvent.VK_TAB);

            robot.keyRelease(KeyEvent.VK_TAB);

            robot.keyRelease(KeyEvent.VK_SHIFT);

            toolkit.realSync();

            checkFocusOwner(textField);

            robot.keyPress(KeyEvent.VK_SHIFT);

            robot.keyPress(KeyEvent.VK_TAB);

            robot.keyRelease(KeyEvent.VK_TAB);

            robot.keyRelease(KeyEvent.VK_SHIFT);

            toolkit.realSync();

            checkFocusOwner(button);

        } finally {

            SwingUtilities.invokeLater(new Runnable() {

                @Override

                public void run() {

                    if (frame != null) {

                        frame.dispose();

                    }

                }

            });

        }

        System.out.println("Test Passed!");

    }

    private static void createAndShowGUI() {

        frame = new JFrame("SwingFocusTransitionTest");

        frame.setSize(300, 300);

        frame.setFocusTraversalPolicyProvider(true);

        frame.setFocusTraversalPolicy(new LayoutFocusTraversalPolicy());

        textField = new JTextField();

        button = new JButton();

        JPanel panel = new JPanel();

        panel.setFocusTraversalPolicyProvider(true);

        panel.setFocusTraversalPolicy(new DefaultFocusTraversalPolicy());

        JPanel p = new JPanel();

        p.setLayout(new GridLayout(3, 1));

        p.add(textField);

        p.add(button);

        p.add(panel);

        frame.add(p);

        frame.setVisible(true);

    }

    private static void checkFocusOwner(final Component component) throws Exception {

        SwingUtilities.invokeAndWait(new Runnable() {

            @Override

            public void run() {

                if (component != frame.getFocusOwner()) {

                    throw new RuntimeException("Test Failed! Incorrect focus owner: " + frame.getFocusOwner() +

                            ", but expected: " + component);

                }

            }

        });

    }

}