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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 8007220 8039081
@summary Reference to the popup leaks after the TrayIcon is removed.
@requires os.family != "windows"
@library ../../../../lib/testlibrary/
@build ExtendedRobot
@run main/othervm -Xmx50m PopupMenuLeakTest
*/
import java.awt.AWTException;
import java.awt.Color;
import java.awt.Graphics2D;
import java.awt.Image;
import java.awt.MenuItem;
import java.awt.PopupMenu;
import java.awt.RenderingHints;
import java.awt.SystemTray;
import java.awt.TrayIcon;
import javax.swing.SwingUtilities;
import java.awt.image.BufferedImage;
import java.lang.ref.WeakReference;
import java.util.ArrayList;
import java.util.concurrent.atomic.AtomicReference;
public class PopupMenuLeakTest {
static final AtomicReference<WeakReference<TrayIcon>> iconWeakReference = new AtomicReference<>();
static final AtomicReference<WeakReference<PopupMenu>> popupWeakReference = new AtomicReference<>();
static ExtendedRobot robot;
public static void main(String[] args) throws Exception {
robot = new ExtendedRobot();
SwingUtilities.invokeAndWait(PopupMenuLeakTest::createSystemTrayIcon);
sleep();
// To make the test automatic we explicitly call addNotify on a popup to create the peer
SwingUtilities.invokeAndWait(PopupMenuLeakTest::addNotifyPopup);
sleep();
SwingUtilities.invokeAndWait(PopupMenuLeakTest::removeIcon);
sleep();
assertCollected(iconWeakReference.get(), "Failed, reference to tray icon not collected");
assertCollected(popupWeakReference.get(), "Failed, reference to popup not collected");
}
private static void addNotifyPopup() {
PopupMenu menu = popupWeakReference.get().get();
if (menu == null) {
throw new RuntimeException("Failed: popup collected too early");
}
menu.addNotify();
}
private static void removeIcon() {
TrayIcon icon = iconWeakReference.get().get();
if (icon == null) {
throw new RuntimeException("Failed: TrayIcon collected too early");
}
SystemTray.getSystemTray().remove(icon);
}
private static void assertCollected(WeakReference<?> reference, String message) {
java.util.List<byte[]> bytes = new ArrayList<>();
for (int i = 0; i < 5; i ++) {
if (reference.get() == null) {
// reference is collected, avoid OOMs.
break;
}
try {
while (true) {
bytes.add(new byte[4096]);
}
} catch (OutOfMemoryError err) {
bytes.clear();
causeGC();
}
}
if (reference.get() != null) {
throw new RuntimeException(message);
}
}
private static void causeGC() {
System.gc();
System.runFinalization();
robot.delay(1000);
}
private static void createSystemTrayIcon() {
final TrayIcon trayIcon = new TrayIcon(createTrayIconImage());
trayIcon.setImageAutoSize(true);
try {
// Add tray icon to system tray *before* adding popup menu to demonstrate buggy behaviour
trayIcon.setPopupMenu(createTrayIconPopupMenu());
SystemTray.getSystemTray().add(trayIcon);
iconWeakReference.set(new WeakReference<>(trayIcon));
popupWeakReference.set(new WeakReference<>(trayIcon.getPopupMenu()));
} catch (final AWTException awte) {
awte.printStackTrace();
}
}
private static Image createTrayIconImage() {
/**
* Create a small image of a red circle to use as the icon for the tray icon
*/
int trayIconImageSize = 32;
final BufferedImage trayImage = new BufferedImage(trayIconImageSize, trayIconImageSize, BufferedImage.TYPE_INT_ARGB);
final Graphics2D trayImageGraphics = (Graphics2D) trayImage.getGraphics();
trayImageGraphics.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
trayImageGraphics.setColor(new Color(255, 255, 255, 0));
trayImageGraphics.fillRect(0, 0, trayImage.getWidth(), trayImage.getHeight());
trayImageGraphics.setColor(Color.red);
int trayIconImageInset = 4;
trayImageGraphics.fillOval(trayIconImageInset,
trayIconImageInset,
trayImage.getWidth() - 2 * trayIconImageInset,
trayImage.getHeight() - 2 * trayIconImageInset);
trayImageGraphics.setColor(Color.darkGray);
trayImageGraphics.drawOval(trayIconImageInset,
trayIconImageInset,
trayImage.getWidth() - 2 * trayIconImageInset,
trayImage.getHeight() - 2 * trayIconImageInset);
return trayImage;
}
private static PopupMenu createTrayIconPopupMenu() {
final PopupMenu trayIconPopupMenu = new PopupMenu();
final MenuItem popupMenuItem = new MenuItem("TEST!");
trayIconPopupMenu.add(popupMenuItem);
return trayIconPopupMenu;
}
private static void sleep() {
robot.waitForIdle(100);
}
}
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