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 * Copyright (c) 2013, 2023, 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
 * @key headful
 * @bug 7068740
 * @summary JTable wrapped in JLayer can't use PGUP/PGDOWN keys
 * @run main bug7068740
 */

import java.awt.Robot;
import java.awt.event.KeyEvent;
import javax.swing.JComponent;
import javax.swing.JFrame;
import javax.swing.JLayer;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.plaf.LayerUI;
import javax.swing.plaf.metal.MetalLookAndFeel;
import javax.swing.SwingUtilities;
import javax.swing.UIManager;
import javax.swing.UnsupportedLookAndFeelException;
import javax.swing.table.DefaultTableModel;
import java.util.concurrent.atomic.AtomicInteger;

public class bug7068740 {

    private static Robot robot = null;
    private static JTable table = null;
    private static JFrame frame;

    private static void setUp() throws Exception {
        if (robot == null) {
            robot = new Robot();
            robot.setAutoDelay(100);
        }

        SwingUtilities.invokeAndWait(new Runnable() {
            @Override
            public void run() {
                DefaultTableModel model = new DefaultTableModel() {
                    @Override
                    public int getRowCount() {
                        return 20;
                    }

                    @Override
                    public int getColumnCount() {
                        return 2;
                    }

                    @Override
                    public Object getValueAt(int row, int column) {
                        return "(" + row + "," + column + ")";
                    }
                };

                table = new JTable(model);
                table.setRowSelectionInterval(0, 0);
                LayerUI<JComponent> layerUI = new LayerUI<>();
                JLayer<JComponent> layer = new JLayer<>(table, layerUI);
                JScrollPane scrollPane = new JScrollPane(layer);
                frame = new JFrame();
                frame.add(scrollPane);
                frame.pack();
                frame.setLocationRelativeTo(null);
                frame.setVisible(true);
            }
        });
    }

    private static int getSelectedRow() throws Exception {
        final AtomicInteger row = new AtomicInteger(-1);
        SwingUtilities.invokeAndWait(new Runnable() {
            @Override
            public void run() {
                row.set(table.getSelectedRow());
            }
        });
        return row.intValue();
    }

    private static void doTest() throws Exception {
        robot.waitForIdle();

        robot.keyPress(KeyEvent.VK_PAGE_DOWN);
        robot.keyRelease(KeyEvent.VK_PAGE_DOWN);
        robot.waitForIdle();

        if (getSelectedRow() != 19) {
            throw new RuntimeException("Test failed");
        }

        robot.delay(1000);
        robot.keyPress(KeyEvent.VK_PAGE_UP);
        robot.keyRelease(KeyEvent.VK_PAGE_UP);
        robot.waitForIdle();
        if (getSelectedRow() != 0) {
            throw new RuntimeException("Test failed");
        }
    }

    public static void main(String[] args) throws Exception {
        try {
            UIManager.setLookAndFeel(new MetalLookAndFeel());
            setUp();
            robot.waitForIdle();
            robot.delay(1000);
            doTest();
        } catch (UnsupportedLookAndFeelException e) {
            e.printStackTrace();
            throw new RuntimeException("Test failed");
        } finally {
            SwingUtilities.invokeAndWait(() -> {
                if (frame != null) {
                    frame.dispose();
                }
            });
        }
    }
}