jdk/test/java/awt/Frame/FrameResize/ShowChildWhileResizingTest.java

/*
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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).
 *
 * 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
 * @key headful
 * @bug 8079595
 * @summary Resizing dialog which is JWindow parent makes JVM crash
 * @author Semyon Sadetsky
 */

import javax.swing.*;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.InputEvent;

public class ShowChildWhileResizingTest {

    private static Window dialog;
    private static Timer timer;
    private static Point point;

    public static void main(String[] args) throws Exception {
        dialog = new Frame();
        dialog.add(new JPanel());
        dialog.setVisible(true);
        dialog.setBounds(100, 100, 200, 200);
        SwingUtilities.invokeAndWait(new Runnable() {
            @Override
            public void run() {
                final Window dependentWindow = new JWindow(dialog);
                JPanel panel = new JPanel();
                panel.add(new JButton("button"));
                dependentWindow.add(panel);
                dependentWindow.setVisible(true);
                dependentWindow.setBounds(0, 0, 50, 50);
                timer = new Timer(100, new ActionListener() {
                    @Override
                    public void actionPerformed(ActionEvent e) {
                        dependentWindow
                                .setVisible(!dependentWindow.isVisible());
                    }
                });
                timer.start();
            }

        });

        Robot robot = new Robot();
        robot.setAutoDelay(5);
        robot.delay(300);
        SwingUtilities.invokeAndWait(new Runnable() {
            @Override
            public void run() {
                point = dialog.getLocationOnScreen();
            }
        });
        robot.mouseMove(point.x + 200 - dialog.getInsets().right/2,
                point.y + 200 - dialog.getInsets().bottom/2);
        robot.mousePress(InputEvent.BUTTON1_MASK);
        for(int i = 0; i < 100; i++) {
            robot.mouseMove(point.x + 200 + i, point.y + 200 + i);
        }
        robot.mouseRelease(InputEvent.BUTTON1_MASK);
        timer.stop();
        dialog.dispose();
        System.out.println("ok");
    }
}