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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.
*/
import java.awt.Button;
import java.awt.Frame;
import java.util.concurrent.TimeUnit;
import sun.awt.SunToolkit;
/**
* @test
* @key headful
* @bug 8211435
* @requires (os.family == "mac")
* @modules java.desktop/sun.awt
*/
public final class NullActiveWindowOnFocusLost {
private static volatile long endtime;
private static Throwable failed;
public static void main(final String[] args) throws Exception {
// Will run the test no more than 30 seconds
endtime = System.nanoTime() + TimeUnit.SECONDS.toNanos(30);
Thread.setDefaultUncaughtExceptionHandler((t, e) -> failed = e);
final Thread[] threads = new Thread[20];
for (int i = 0; i < threads.length; i++) {
threads[i] = testThread(i);
}
for (final Thread thread : threads) {
thread.start();
}
for (final Thread thread : threads) {
thread.join();
}
if (failed != null) {
failed.printStackTrace();
throw new RuntimeException(failed);
}
}
private static Thread testThread(int index) {
return new Thread(new ThreadGroup("TG " + index), () -> {
SunToolkit.createNewAppContext();
while (!isComplete()) {
final Frame frame = new Frame();
frame.setSize(300, 300);
frame.add(new Button("Button"));
frame.setLocationRelativeTo(null);
frame.setVisible(true);
try {
Thread.sleep(index); // increase probability of the failure
} catch (InterruptedException ignored) {
}
frame.dispose();
}
});
}
private static boolean isComplete() {
return endtime - System.nanoTime() < 0 || failed != null;
}
}
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