/*

 * Copyright (c) 2011, 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 4865918

 * @summary REGRESSION:JCK1.4a-runtime api/javax_swing/interactive/JScrollBarTests.html#JScrollBar

 * @author Andrey Pikalev

 * @run main bug4865918

 */

import javax.swing.*;

import java.awt.*;

import java.awt.event.*;

import java.util.*;

public class bug4865918 {

    private static TestScrollBar sbar;

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

        Robot robot = new Robot();

        SwingUtilities.invokeAndWait(new Runnable() {

            public void run() {

                createAndShowGUI();

            }

        });

        robot.waitForIdle();

        SwingUtilities.invokeAndWait(new Runnable() {

            @Override

            public void run() {

                sbar.pressMouse();

            }

        });

        robot.waitForIdle();

        int value = getValue();

        if (value != 9) {

            throw new Error("The scrollbar block increment is incorect");

        }

    }

    private static int getValue() throws Exception {

        final int[] result = new int[1];

        SwingUtilities.invokeAndWait(new Runnable() {

            @Override

            public void run() {

                result[0] = sbar.getValue();

            }

        });

        return result[0];

    }

    private static void createAndShowGUI() {

        JFrame frame = new JFrame("bug4865918");

        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

        sbar = new TestScrollBar(JScrollBar.HORIZONTAL, -1, 10, -100, 100);

        sbar.setPreferredSize(new Dimension(200, 20));

        sbar.setBlockIncrement(10);

        frame.getContentPane().add(sbar);

        frame.pack();

        frame.setVisible(true);

    }

    static class TestScrollBar extends JScrollBar {

        public TestScrollBar(int orientation, int value, int extent,

                int min, int max) {

            super(orientation, value, extent, min, max);

        }

        public void pressMouse() {

            MouseEvent me = new MouseEvent(sbar,

                    MouseEvent.MOUSE_PRESSED,

                    (new Date()).getTime(),

                    MouseEvent.BUTTON1_MASK,

                    3 * getWidth() / 4, getHeight() / 2,

                    1, true);

            processMouseEvent(me);

        }

    }

}