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 * 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).
 *
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 * 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
 * @key headful
 * @bug 4506788 7147408
 * @summary  Tests if cursor gets stuck after insertion a character
 * @run main bug4506788
 */

import java.awt.Dimension;
import java.awt.Point;
import java.awt.Robot;
import java.awt.event.KeyEvent;
import java.awt.event.InputEvent;
import javax.swing.JEditorPane;
import javax.swing.JFrame;
import javax.swing.SwingUtilities;
import javax.swing.event.CaretEvent;
import javax.swing.event.CaretListener;
import javax.swing.text.DefaultStyledDocument;
import javax.swing.text.MutableAttributeSet;
import javax.swing.text.SimpleAttributeSet;
import javax.swing.text.StyleConstants;
import javax.swing.text.StyledEditorKit;

public class bug4506788 {

    private static volatile boolean passed;
    private static volatile Point p;
    private static volatile Dimension dim;
    private static JEditorPane jep;
    private static JFrame f;

    public static void main(final String[] args) throws Exception {
        try {
            Robot robot = new Robot();
            robot.setAutoDelay(100);

            SwingUtilities.invokeAndWait(() -> createAndShowGUI());

            robot.waitForIdle();
            robot.delay(1000);

            SwingUtilities.invokeAndWait(() -> {
                p = jep.getLocationOnScreen();
                dim = jep.getSize();
            });

            robot.mouseMove(p.x + dim.width / 2, p.y + dim.height / 2);
            robot.waitForIdle();
            robot.mousePress(InputEvent.BUTTON1_DOWN_MASK);
            robot.mouseRelease(InputEvent.BUTTON1_DOWN_MASK);
            robot.waitForIdle();
            robot.keyPress(KeyEvent.VK_HOME);
            robot.keyRelease(KeyEvent.VK_HOME);
            robot.waitForIdle();
            robot.keyPress(KeyEvent.VK_RIGHT);
            robot.keyRelease(KeyEvent.VK_RIGHT);
            robot.waitForIdle();
            robot.keyPress(KeyEvent.VK_X);
            robot.keyRelease(KeyEvent.VK_X);
            robot.waitForIdle();
            robot.keyPress(KeyEvent.VK_RIGHT);
            robot.keyRelease(KeyEvent.VK_RIGHT);
            robot.waitForIdle();

            if (!passed) {
                throw new RuntimeException("Test failed.");
            }
        } finally {
            SwingUtilities.invokeAndWait(() -> {
                if (f != null) {
                    f.dispose();
                }
            });
        }
    }

    private static void createAndShowGUI() {
        jep = new JEditorPane();
        String text = "abc";
        f = new JFrame("bug4506788");
        jep.setEditorKit(new StyledEditorKit());
        jep.setText(text);
        jep.addCaretListener(new CaretListener() {
            @Override
            public void caretUpdate(CaretEvent e) {
                System.out.println("getDot " + e.getDot());
                passed = (e.getDot() == 3);
            }
        });

        DefaultStyledDocument doc = (DefaultStyledDocument) jep.getDocument();
        MutableAttributeSet atr = new SimpleAttributeSet();
        StyleConstants.setBold(atr, true);
        doc.setCharacterAttributes(1, 1, atr, false);

        f.getContentPane().add(jep);
        f.setSize(100, 100);
        f.setLocationRelativeTo(null);
        f.setVisible(true);
    }
}