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/*
* Copyright (c) 2004, 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 5006427
@summary Shows many modal dialog and checks if there is a deadlock or thread race.
@key headful
@run main DialogDeadlockTest
*/
import java.awt.BorderLayout;
import java.awt.Button;
import java.awt.Dialog;
import java.awt.EventQueue;
import java.awt.Frame;
import java.awt.Window;
import java.lang.reflect.InvocationTargetException;
import java.util.LinkedList;
import java.util.List;
public class DialogDeadlockTest {
public static final int MAX_COUNT = 200;
private static Dialog lastDialog;
private static Runnable r;
private static volatile int count;
private static volatile int cumul;
public static void main(String[] args) throws InterruptedException,
InvocationTargetException {
DialogDeadlockTest ddt = new DialogDeadlockTest();
ddt.start();
}
public void start() {
final Frame frame = new Frame("abc");
final List<Window> toDispose = new LinkedList<>();
try {
frame.setLocation(300, 0);
frame.add(new Button("def"));
frame.pack();
frame.setVisible(true);
cumul = 0;
r = new Runnable() {
public void run() {
count++;
if (count < 10) {
Dialog xlastDialog = lastDialog;
cumul += count;
Dialog d = new Dialog(frame, "Dialog "
+ cumul, true);
d.setLayout(new BorderLayout());
d.add(new Button("button " + count), BorderLayout.CENTER);
d.pack();
toDispose.add(d);
lastDialog = d;
EventQueue.invokeLater(r);
d.setVisible(true);
if (xlastDialog != null) {
xlastDialog.setVisible(false);
} else {
if (cumul < MAX_COUNT) {
count = 0;
lastDialog = null;
EventQueue.invokeLater(r);
}
}
} else {
try {
Thread.sleep(1000);
} catch (InterruptedException ignore) {
}
lastDialog.setVisible(false);
lastDialog = null;
}
}
};
try {
EventQueue.invokeAndWait(r);
} catch (InterruptedException ignore) {
} catch (Exception e) {
throw new RuntimeException("Unexpected exception: "
+ e.getLocalizedMessage());
}
while (cumul < MAX_COUNT - 1) {
try {
Thread.sleep(1000);
} catch (InterruptedException ignore) {}
}
System.out.println("Test PASSED");
} finally {
try {
EventQueue.invokeAndWait(() -> {
frame.setVisible(false);
frame.dispose();
for (Window w: toDispose) {
w.dispose();
}
});
} catch (InterruptedException e) {
throw new RuntimeException(e);
} catch (InvocationTargetException e) {
throw new RuntimeException(e);
}
}
}
}
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