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/*
* Copyright (c) 2003, 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
@bug 4852790
@summary Frame disposal must remove opened popup without exception
@key headful
*/
import java.awt.BorderLayout;
import java.awt.Dimension;
import java.awt.EventQueue;
import java.awt.FlowLayout;
import java.awt.Point;
import java.awt.Robot;
import java.awt.event.InputEvent;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import javax.swing.JComboBox;
import javax.swing.JFrame;
import javax.swing.JMenuBar;
import javax.swing.JPanel;
public class OpenedPopupFrameDisposal {
public static final int SIZE = 300;
volatile JFrame jf = null;
volatile JComboBox<String> jcb = null;
public void start() {
jf = new JFrame("OpenedPopupFrameDisposal - Frame to dispose");
// Note that original bug cannot be reproduced without JMenuBar present.
jf.setJMenuBar(new JMenuBar());
jf.setDefaultCloseOperation(JFrame.DO_NOTHING_ON_CLOSE);
jf.setLocationRelativeTo(null);
jf.addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent evt) {
jf.setVisible(false);
jf.dispose();
}
});
JPanel panel = new JPanel(new FlowLayout());
jcb = new JComboBox<>();
jcb.addItem("one");
jcb.addItem("two");
jcb.addItem("Three");
panel.add(jcb);
jf.getContentPane().add(panel, BorderLayout.CENTER);
jf.pack();
jf.setSize(new Dimension(SIZE, SIZE));
jf.setVisible(true);
}
public void test() throws Exception {
Robot robot = new Robot();
robot.delay(1000); // wait for jf visible
Point pt = jf.getLocationOnScreen();
int x, y;
x = pt.x + SIZE / 2;
y = pt.y + SIZE / 2;
robot.mouseMove(x, y);
robot.mousePress(InputEvent.BUTTON1_DOWN_MASK);
robot.mouseRelease(InputEvent.BUTTON1_DOWN_MASK);
robot.delay(1000);
pt = jcb.getLocationOnScreen();
x = pt.x + jcb.getWidth() / 2;
y = pt.y + jcb.getHeight() / 2;
robot.mouseMove(x, y);
robot.mousePress(InputEvent.BUTTON1_DOWN_MASK);
robot.mouseRelease(InputEvent.BUTTON1_DOWN_MASK);
robot.delay(1000);
// Here on disposal we had a NullPointerException
EventQueue.invokeAndWait(() -> {
if (jf != null) {
jf.setVisible(false);
jf.dispose();
}
});
}
public static void main(String[] args) throws Exception {
OpenedPopupFrameDisposal imt = new OpenedPopupFrameDisposal();
try {
EventQueue.invokeAndWait(imt::start);
imt.test();
} finally {
EventQueue.invokeAndWait(() -> {
if (imt.jf != null) {
imt.jf.dispose();
}
});
}
}
}
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