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 /* @test 25 @bug 8012004 26 @summary JINTERNALFRAME NOT BEING FINALIZED AFTER CLOSING 27 @author mcherkas 28 @run main InternalFrameIsNotCollectedTest 29 */ 30 import javax.swing.*; 31 import java.awt.*; 32 import java.beans.PropertyVetoException; 33 import java.util.Date; 34 35 public class InternalFrameIsNotCollectedTest { 36 37 public static final int maxWaitTime = 100000; 38 public static final int waitTime = 5000; 39 private static Robot robot; 40 private static CustomInternalFrame iFrame; 41 42 public static void main(String[] args) throws Exception { 43 initRobot(); 44 SwingUtilities.invokeAndWait(new Runnable() { 45 @Override 46 public void run() { 47 initUI(); 48 try { 49 closeInternalFrame(); 50 } catch (PropertyVetoException e) { 51 throw new RuntimeException(e); 52 } 53 } 54 }); 55 robot.waitForIdle(); 56 invokeGC(); 57 System.runFinalization(); 58 Thread.sleep(1000); // it's better to wait 1 sec now then 10 sec later 59 Date startWaiting = new Date(); 60 synchronized (CustomInternalFrame.waiter) { 61 // Sync with finalization thread. 62 Date now = new Date(); 63 while (now.getTime() - startWaiting.getTime() < maxWaitTime && !CustomInternalFrame.finalized) { 64 CustomInternalFrame.waiter.wait(waitTime); 65 now = new Date(); 66 } 67 } 68 if (!CustomInternalFrame.finalized) { 69 throw new RuntimeException("Closed internal frame wasn't collected"); 70 } 71 } 72 73 private static void initRobot() throws AWTException { 74 robot = new Robot(); 75 robot.setAutoDelay(100); 76 } 77 78 private static void closeInternalFrame() throws PropertyVetoException { 79 iFrame.setClosed(true); 80 iFrame = null; 81 } 82 83 private static void initUI() { 84 JFrame frame = new JFrame("Internal Frame Test"); 85 frame.getContentPane().setLayout(new BorderLayout()); 86 JDesktopPane desktopPane = new JDesktopPane(); 87 desktopPane.setDesktopManager(new DefaultDesktopManager()); 88 frame.getContentPane().add(desktopPane, BorderLayout.CENTER); 89 90 iFrame = new CustomInternalFrame("Dummy Frame"); 91 92 iFrame.setSize(200, 200); 93 iFrame.setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE); 94 desktopPane.add(iFrame); 95 96 frame.setSize(800, 600); 97 frame.setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE); 98 frame.setVisible(true); 99 iFrame.setVisible(true); 100 } 101 102 private static void invokeGC() { 103 System.out.println("Firing garbage collection!"); 104 try { 105 StringBuilder sb = new StringBuilder(); 106 while (true) { 107 sb.append("any string. some test. a little bit more text." + sb.toString()); 108 } 109 } catch (Throwable e) { 110 // do nothing 111 } 112 } 113 114 115 public static class CustomInternalFrame extends JInternalFrame { 116 public static volatile boolean finalized = false; 117 public static Object waiter = new Object(); 118 119 public CustomInternalFrame(String title) { 120 super(title, true, true, true, true); 121 } 122 123 protected void finalize() { 124 System.out.println("Finalized!"); 125 finalized = true; 126 waiter.notifyAll(); 127 } 128 } 129 }