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 * @key headful 27 * @bug 8012004 28 * @summary JINTERNALFRAME NOT BEING FINALIZED AFTER CLOSING 29 * @author mcherkas 30 * @run main InternalFrameIsNotCollectedTest 31 */ 32 import javax.swing.*; 33 import java.awt.*; 34 import java.beans.PropertyVetoException; 35 import java.util.Date; 36 37 public class InternalFrameIsNotCollectedTest { 38 39 public static final int maxWaitTime = 100000; 40 public static final int waitTime = 5000; 41 private static Robot robot; 42 private static CustomInternalFrame iFrame; 43 44 public static void main(String[] args) throws Exception { 45 initRobot(); 46 SwingUtilities.invokeAndWait(new Runnable() { 47 @Override 48 public void run() { 49 initUI(); 50 try { 51 closeInternalFrame(); 52 } catch (PropertyVetoException e) { 53 throw new RuntimeException(e); 54 } 55 } 56 }); 57 robot.waitForIdle(); 58 invokeGC(); 59 System.runFinalization(); 60 Thread.sleep(1000); // it's better to wait 1 sec now then 10 sec later 61 Date startWaiting = new Date(); 62 synchronized (CustomInternalFrame.waiter) { 63 // Sync with finalization thread. 64 Date now = new Date(); 65 while (now.getTime() - startWaiting.getTime() < maxWaitTime && !CustomInternalFrame.finalized) { 66 CustomInternalFrame.waiter.wait(waitTime); 67 now = new Date(); 68 } 69 } 70 if (!CustomInternalFrame.finalized) { 71 throw new RuntimeException("Closed internal frame wasn't collected"); 72 } 73 } 74 75 private static void initRobot() throws AWTException { 76 robot = new Robot(); 77 robot.setAutoDelay(100); 78 } 79 80 private static void closeInternalFrame() throws PropertyVetoException { 81 iFrame.setClosed(true); 82 iFrame = null; 83 } 84 85 private static void initUI() { 86 JFrame frame = new JFrame("Internal Frame Test"); 87 frame.getContentPane().setLayout(new BorderLayout()); 88 JDesktopPane desktopPane = new JDesktopPane(); 89 desktopPane.setDesktopManager(new DefaultDesktopManager()); 90 frame.getContentPane().add(desktopPane, BorderLayout.CENTER); 91 92 iFrame = new CustomInternalFrame("Dummy Frame"); 93 94 iFrame.setSize(200, 200); 95 iFrame.setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE); 96 desktopPane.add(iFrame); 97 98 frame.setSize(800, 600); 99 frame.setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE); 100 frame.setVisible(true); 101 iFrame.setVisible(true); 102 } 103 104 private static void invokeGC() { 105 System.out.println("Firing garbage collection!"); 106 try { 107 StringBuilder sb = new StringBuilder(); 108 while (true) { 109 sb.append("any string. some test. a little bit more text." + sb.toString()); 110 } 111 } catch (Throwable e) { 112 // do nothing 113 } 114 } 115 116 117 public static class CustomInternalFrame extends JInternalFrame { 118 public static volatile boolean finalized = false; 119 public static Object waiter = new Object(); 120 121 public CustomInternalFrame(String title) { 122 super(title, true, true, true, true); 123 } 124 125 protected void finalize() { 126 System.out.println("Finalized!"); 127 finalized = true; 128 waiter.notifyAll(); 129 } 130 } 131 }