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/*
* Copyright (c) 2013, 2016, 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
@key headful
@bug 8015500
@summary DisposeAction multiplies the WINDOW_CLOSED event.
@author jlm@joseluismartin.info
@run main WindowClosedEventOnDispose
*/
import java.awt.Toolkit;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import javax.swing.JDialog;
import javax.swing.JFrame;
import javax.swing.SwingUtilities;
/**
* WindowClosedEventOnDispose.java
* Summary: tests that Window don't multiplies the WINDOW_CLOSED event
* on dispose.
* Test fails if fire more events that expected;
*/
public class WindowClosedEventOnDispose {
private static int N_LOOPS = 5;
private static int N_DIALOGS = 2;
public static void main(String args[]) throws Exception {
tesWithFrame();
testWithoutFrame();
testHidenChildDispose();
testHidenWindowDispose();
}
/**
* Test WINDOW_CLOSED event received by a dialog
* that have a owner window.
* @throws Exception
*/
public static void tesWithFrame() throws Exception {
doTest(true);
}
/**
* Test WINDOW_CLOSED event received by a dialog
* that don't have a owner window.
* @throws Exception
*/
public static void testWithoutFrame() throws Exception {
System.out.println("Run without owner Frame");
doTest(false);
}
/**
* Test if a dialog that has never been shown fire
* the WINDOW_CLOSED event on parent dispose().
* @throws Exception
*/
public static void testHidenChildDispose() throws Exception {
JFrame f = new JFrame();
JDialog dlg = new JDialog(f);
Listener l = new Listener();
dlg.addWindowListener(l);
f.dispose();
waitEvents();
assertEquals(0, l.getCount());
}
/**
* Test if a dialog fire the WINDOW_CLOSED event
* on parent dispose().
* @throws Exception
*/
public static void testVisibleChildParentDispose() throws Exception {
JFrame f = new JFrame();
JDialog dlg = new JDialog(f);
Listener l = new Listener();
dlg.addWindowListener(l);
dlg.setVisible(true);
f.dispose();
waitEvents();
assertEquals(1, l.getCount());
}
/**
* Test if a Window that has never been shown fire the
* WINDOW_CLOSED event on dispose()
*/
public static void testHidenWindowDispose() throws Exception {
JFrame f = new JFrame();
Listener l = new Listener();
f.addWindowListener(l);
f.dispose();
waitEvents();
assertEquals(0, l.getCount());
}
/**
* Test if a JDialog receive the correct number
* of WINDOW_CLOSED_EVENT
* @param useFrame true if use a owner frame
* @throws Exception
*/
private static void doTest(final boolean useFrame) throws Exception {
final Listener l = new Listener();
final JFrame f = new JFrame();
for (int i = 0; i < N_LOOPS; i++) {
SwingUtilities.invokeLater(new Runnable() {
public void run() {
JDialog[] dialogs = new JDialog[N_DIALOGS];
for (int i = 0; i < N_DIALOGS; i++) {
if (useFrame) {
dialogs[i]= new JDialog(f);
}
else {
dialogs[i] = new JDialog();
}
dialogs[i].addWindowListener(l);
dialogs[i].setVisible(true);
}
// Dispose all
for (JDialog d : dialogs)
d.dispose();
f.dispose();
}
});
}
waitEvents();
assertEquals(N_DIALOGS * N_LOOPS, l.getCount());
}
private static void waitEvents() throws InterruptedException {
// Wait until events are dispatched
while (Toolkit.getDefaultToolkit().getSystemEventQueue().peekEvent() != null)
Thread.sleep(100);
}
/**
* @param expected the expected value
* @param real the real value
*/
private static void assertEquals(int expected, int real) throws Exception {
if (expected != real) {
throw new Exception("Expected events: " + expected + " Received Events: " + real);
}
}
}
/**
* Listener to count events
*/
class Listener extends WindowAdapter {
private volatile int count = 0;
public void windowClosed(WindowEvent e) {
count++;
}
public int getCount() {
return count;
}
public void setCount(int count) {
this.count = count;
}
}
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