1 /*
2 * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24 /*
25 @test
26 @bug 8007220
27 @summary Reference to the popup leaks after the TrayIcon is removed
28 @author Petr Pchelko
29 @run main/othervm -Xmx50m PopupMenuLeakTest
30 */
31
32 import java.awt.*;
33 import javax.swing.SwingUtilities;
34 import sun.awt.SunToolkit;
35
36 import java.awt.image.BufferedImage;
37 import java.lang.ref.WeakReference;
38 import java.util.ArrayList;
39 import java.util.concurrent.atomic.AtomicReference;
40
41 public class PopupMenuLeakTest {
42
43 static final AtomicReference<WeakReference<TrayIcon>> iconWeakReference = new AtomicReference<>();
44 static final AtomicReference<WeakReference<PopupMenu>> popupWeakReference = new AtomicReference<>();
45
46 public static void main(String[] args) throws Exception {
47 SwingUtilities.invokeAndWait(PopupMenuLeakTest::createSystemTrayIcon);
48 sleep();
49 // To make the test automatic we explicitly call addNotify on a popup to create the peer
50 SwingUtilities.invokeAndWait(PopupMenuLeakTest::addNotifyPopup);
51 sleep();
52 SwingUtilities.invokeAndWait(PopupMenuLeakTest::removeIcon);
53 sleep();
54 assertCollected(popupWeakReference.get(), "Failed, reference to popup not collected");
55 assertCollected(iconWeakReference.get(), "Failed, reference to tray icon not collected");
56 }
57
58 private static void addNotifyPopup() {
59 PopupMenu menu = popupWeakReference.get().get();
60 if (menu == null) {
61 throw new RuntimeException("Failed: popup collected too early");
62 }
63 menu.addNotify();
64 }
65
66 private static void removeIcon() {
67 TrayIcon icon = iconWeakReference.get().get();
68 if (icon == null) {
69 throw new RuntimeException("Failed: TrayIcon collected too early");
70 }
71 SystemTray.getSystemTray().remove(icon);
72 }
73
74 private static void assertCollected(WeakReference<?> reference, String message) {
75 java.util.List<byte[]> bytes = new ArrayList<>();
76 for (int i = 0; i < 5; i ++) {
77 try {
78 while (true) {
79 bytes.add(new byte[1024]);
80 }
81 } catch (OutOfMemoryError err) {
82 bytes = new ArrayList<>();
83 }
84 }
85 if (reference.get() != null) {
86 throw new RuntimeException(message);
87 }
88 }
89
90 private static void createSystemTrayIcon() {
91 final TrayIcon trayIcon = new TrayIcon(createTrayIconImage());
92 trayIcon.setImageAutoSize(true);
93
94 try {
95 // Add tray icon to system tray *before* adding popup menu to demonstrate buggy behaviour
96 trayIcon.setPopupMenu(createTrayIconPopupMenu());
97 SystemTray.getSystemTray().add(trayIcon);
98 iconWeakReference.set(new WeakReference<>(trayIcon));
99 popupWeakReference.set(new WeakReference<>(trayIcon.getPopupMenu()));
100 } catch (final AWTException awte) {
101 awte.printStackTrace();
102 }
103 }
104
105 private static Image createTrayIconImage() {
106 /**
107 * Create a small image of a red circle to use as the icon for the tray icon
108 */
109 int trayIconImageSize = 32;
110 final BufferedImage trayImage = new BufferedImage(trayIconImageSize, trayIconImageSize, BufferedImage.TYPE_INT_ARGB);
111 final Graphics2D trayImageGraphics = (Graphics2D) trayImage.getGraphics();
112
113 trayImageGraphics.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
114
115 trayImageGraphics.setColor(new Color(255, 255, 255, 0));
116 trayImageGraphics.fillRect(0, 0, trayImage.getWidth(), trayImage.getHeight());
117
118 trayImageGraphics.setColor(Color.red);
119
120 int trayIconImageInset = 4;
121 trayImageGraphics.fillOval(trayIconImageInset,
122 trayIconImageInset,
123 trayImage.getWidth() - 2 * trayIconImageInset,
124 trayImage.getHeight() - 2 * trayIconImageInset);
125
126 trayImageGraphics.setColor(Color.darkGray);
127
128 trayImageGraphics.drawOval(trayIconImageInset,
129 trayIconImageInset,
130 trayImage.getWidth() - 2 * trayIconImageInset,
131 trayImage.getHeight() - 2 * trayIconImageInset);
132
133 return trayImage;
134 }
135
136 private static PopupMenu createTrayIconPopupMenu() {
137 final PopupMenu trayIconPopupMenu = new PopupMenu();
138 final MenuItem popupMenuItem = new MenuItem("TEST!");
139 trayIconPopupMenu.add(popupMenuItem);
140 return trayIconPopupMenu;
141 }
142
143 private static void sleep() {
144 ((SunToolkit)Toolkit.getDefaultToolkit()).realSync();
145 try {
146 Thread.sleep(100);
147 } catch (InterruptedException ignored) { }
148 }
149 }