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 @library ../../../../lib/testlibrary/
30 @build ExtendedRobot
31 @run main/othervm -Xmx50m PopupMenuLeakTest
32 */
33
34 import java.awt.*;
35 import javax.swing.SwingUtilities;
36
37 import java.awt.image.BufferedImage;
38 import java.lang.ref.WeakReference;
39 import java.util.ArrayList;
40 import java.util.concurrent.atomic.AtomicReference;
41
42 public class PopupMenuLeakTest {
43
44 static final AtomicReference<WeakReference<TrayIcon>> iconWeakReference = new AtomicReference<>();
45 static final AtomicReference<WeakReference<PopupMenu>> popupWeakReference = new AtomicReference<>();
46 static ExtendedRobot robot;
47
48 public static void main(String[] args) throws Exception {
49 robot = new ExtendedRobot();
50 SwingUtilities.invokeAndWait(PopupMenuLeakTest::createSystemTrayIcon);
51 sleep();
52 // To make the test automatic we explicitly call addNotify on a popup to create the peer
53 SwingUtilities.invokeAndWait(PopupMenuLeakTest::addNotifyPopup);
54 sleep();
55 SwingUtilities.invokeAndWait(PopupMenuLeakTest::removeIcon);
56 sleep();
57 assertCollected(popupWeakReference.get(), "Failed, reference to popup not collected");
58 assertCollected(iconWeakReference.get(), "Failed, reference to tray icon not collected");
59 }
60
61 private static void addNotifyPopup() {
62 PopupMenu menu = popupWeakReference.get().get();
63 if (menu == null) {
64 throw new RuntimeException("Failed: popup collected too early");
65 }
66 menu.addNotify();
67 }
68
69 private static void removeIcon() {
70 TrayIcon icon = iconWeakReference.get().get();
71 if (icon == null) {
72 throw new RuntimeException("Failed: TrayIcon collected too early");
73 }
74 SystemTray.getSystemTray().remove(icon);
75 }
76
77 private static void assertCollected(WeakReference<?> reference, String message) {
78 java.util.List<byte[]> bytes = new ArrayList<>();
79 for (int i = 0; i < 5; i ++) {
80 try {
81 while (true) {
82 bytes.add(new byte[1024]);
83 }
84 } catch (OutOfMemoryError err) {
85 bytes = new ArrayList<>();
86 }
87 }
88 if (reference.get() != null) {
89 throw new RuntimeException(message);
90 }
91 }
92
93 private static void createSystemTrayIcon() {
94 final TrayIcon trayIcon = new TrayIcon(createTrayIconImage());
95 trayIcon.setImageAutoSize(true);
96
97 try {
98 // Add tray icon to system tray *before* adding popup menu to demonstrate buggy behaviour
99 trayIcon.setPopupMenu(createTrayIconPopupMenu());
100 SystemTray.getSystemTray().add(trayIcon);
101 iconWeakReference.set(new WeakReference<>(trayIcon));
102 popupWeakReference.set(new WeakReference<>(trayIcon.getPopupMenu()));
103 } catch (final AWTException awte) {
104 awte.printStackTrace();
105 }
106 }
107
108 private static Image createTrayIconImage() {
109 /**
110 * Create a small image of a red circle to use as the icon for the tray icon
111 */
112 int trayIconImageSize = 32;
113 final BufferedImage trayImage = new BufferedImage(trayIconImageSize, trayIconImageSize, BufferedImage.TYPE_INT_ARGB);
114 final Graphics2D trayImageGraphics = (Graphics2D) trayImage.getGraphics();
115
116 trayImageGraphics.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
117
118 trayImageGraphics.setColor(new Color(255, 255, 255, 0));
119 trayImageGraphics.fillRect(0, 0, trayImage.getWidth(), trayImage.getHeight());
120
121 trayImageGraphics.setColor(Color.red);
122
123 int trayIconImageInset = 4;
124 trayImageGraphics.fillOval(trayIconImageInset,
125 trayIconImageInset,
126 trayImage.getWidth() - 2 * trayIconImageInset,
127 trayImage.getHeight() - 2 * trayIconImageInset);
128
129 trayImageGraphics.setColor(Color.darkGray);
130
131 trayImageGraphics.drawOval(trayIconImageInset,
132 trayIconImageInset,
133 trayImage.getWidth() - 2 * trayIconImageInset,
134 trayImage.getHeight() - 2 * trayIconImageInset);
135
136 return trayImage;
137 }
138
139 private static PopupMenu createTrayIconPopupMenu() {
140 final PopupMenu trayIconPopupMenu = new PopupMenu();
141 final MenuItem popupMenuItem = new MenuItem("TEST!");
142 trayIconPopupMenu.add(popupMenuItem);
143 return trayIconPopupMenu;
144 }
145
146 private static void sleep() {
147 robot.waitForIdle(100);
148 }
149 }