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 }