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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 4817630
* @summary AncestorEvent ancestorAdded thrown at JFrame creation, not at show()
* @key headful
* @run main bug4817630
*/
import java.lang.reflect.InvocationTargetException;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.SwingUtilities;
import javax.swing.event.AncestorEvent;
import javax.swing.event.AncestorListener;
public class bug4817630 {
JFrame fr;
volatile boolean ancestorAdded = false;
volatile boolean passed = true;
public void init() {
fr = new JFrame("bug4817630");
JLabel label = new JLabel("Label");
label.addAncestorListener(new AncestorListener() {
public void ancestorAdded(AncestorEvent e) {
if (!fr.isVisible()) {
setPassed(false);
}
synchronized (bug4817630.this) {
ancestorAdded = true;
bug4817630.this.notifyAll();
}
}
public void ancestorRemoved(AncestorEvent e) {
}
public void ancestorMoved(AncestorEvent e) {
}
});
fr.setLocationRelativeTo(null);
fr.getContentPane().add(label);
fr.pack();
fr.setVisible(true);
}
public void start() {
try {
synchronized (bug4817630.this) {
while (!ancestorAdded) {
bug4817630.this.wait();
}
}
} catch(Exception e) {
throw new RuntimeException("Test failed because of "
+ e.getLocalizedMessage());
}
}
public void destroy() {
if (fr != null) {
fr.setVisible(false);
fr.dispose();
}
if (!isPassed()) {
throw new RuntimeException("ancestorAdded() method shouldn't be "
+ "called before the frame is shown.");
}
}
synchronized void setPassed(boolean passed) {
this.passed = passed;
}
synchronized boolean isPassed() {
return passed;
}
public static void main(String[] args) throws InterruptedException,
InvocationTargetException {
bug4817630 test = new bug4817630();
try {
SwingUtilities.invokeAndWait(test::init);
test.start();
} finally {
SwingUtilities.invokeAndWait(test::destroy);
}
}
}
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