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/*
* Copyright (c) 2018, 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 8204142
* @key headful
* @summary Deadlock when queueing SequencedEvent of different AppContexts
* @author Laurent Bourges
* @modules java.desktop/sun.awt
* @run main/othervm/timeout=30 MultipleContextsFunctionalTest
*/
import java.awt.BorderLayout;
import java.awt.Dimension;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.atomic.AtomicReference;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.SwingUtilities;
import javax.swing.Timer;
public final class MultipleContextsFunctionalTest {
private static final long serialVersionUID = 1L;
private static final int NUM_WINDOW = 2;
private static final int INTERVAL = 50;
private static final int MAX_TIME = 10000; // 10s
private static final int TOLERANCE = 10000;// 10s
private static final int CHECK_LAPSE = 100;
private static final int MAX_COUNT = MAX_TIME / INTERVAL;
private static final int EXPECTED = MAX_COUNT * NUM_WINDOW;
private static final List<TestWindow> WINDOWS = new ArrayList<TestWindow>();
public static void main(String[] args) {
for (int i = 0; i < NUM_WINDOW; i++) {
createWin(i);
}
int total = 0;
int waitingTime = MAX_TIME + TOLERANCE;
while (waitingTime > 0 && total != EXPECTED) {
try {
Thread.sleep(CHECK_LAPSE);
} catch (InterruptedException e) {
e.printStackTrace();
}
waitingTime -= CHECK_LAPSE;
total = 0;
for (TestWindow window : WINDOWS) {
total += window.getCounter();
}
}
// Failure if AWT hanging: assert
System.out.println("Total [" + total + "] - Expected [" + EXPECTED + "]");
if (total == EXPECTED) {
System.out.println("Test PASSED");
return;
}
System.out.println("Test FAILED");
Runtime.getRuntime().halt(-1);
}
private static void createWin(int tgNum) {
new Thread(new ThreadGroup("TG " + tgNum),
new Runnable() {
@Override
public void run() {
sun.awt.SunToolkit.createNewAppContext();
final AtomicReference<TestWindow> ref =
new AtomicReference<TestWindow>();
SwingUtilities.invokeLater(new Runnable() {
@Override
public void run() {
final TestWindow window = new TestWindow(tgNum);
window.setVisible(true);
ref.set(window);
WINDOWS.add(window);
}
});
// Wait for window to show
TestWindow window = ref.get();
while (window == null) {
try {
Thread.sleep(100);
} catch (InterruptedException ie) {
ie.printStackTrace();
}
window = ref.get();
}
window.enableTimer(true);
}
}).start();
}
private static final class TestWindow extends JFrame implements ActionListener {
private final JButton btn;
private int counter = 0;
private final Timer t;
TestWindow(final int num) {
super("Test Window [" + num + "]");
setMinimumSize(new Dimension(300, 200));
setLocation(100 + 400 * (num - 1), 100);
setLayout(new BorderLayout());
JLabel textBlock = new JLabel("Lorem ipsum dolor sit amet...");
add(textBlock);
btn = new JButton("TEST");
add(btn, BorderLayout.SOUTH);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
pack();
t = new Timer(INTERVAL, this);
t.setRepeats(false);
}
@Override
public void actionPerformed(ActionEvent e) {
this.toFront();
btn.setText("TEST " + (++counter));
this.toBack();
if (counter < MAX_COUNT) {
enableTimer(true);
} else {
dispose();
}
}
void enableTimer(boolean enable) {
if (enable) {
t.start();
} else {
t.stop();
}
}
int getCounter() {
return counter;
}
}
}
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