| /* |
| * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| /* |
| * @test |
| * @key headful |
| * @bug 8012004 |
| * @summary JINTERNALFRAME NOT BEING FINALIZED AFTER CLOSING |
| * @author mcherkas |
| * @run main InternalFrameIsNotCollectedTest |
| */ |
| import javax.swing.*; |
| import java.awt.*; |
| import java.beans.PropertyVetoException; |
| import java.util.Date; |
| |
| public class InternalFrameIsNotCollectedTest { |
| |
| public static final int maxWaitTime = 100000; |
| public static final int waitTime = 5000; |
| private static Robot robot; |
| private static CustomInternalFrame iFrame; |
| private static JFrame frame; |
| |
| public static void main(String[] args) throws Exception { |
| try { |
| initRobot(); |
| SwingUtilities.invokeAndWait(new Runnable() { |
| @Override |
| public void run() { |
| initUI(); |
| try { |
| closeInternalFrame(); |
| } catch (PropertyVetoException e) { |
| throw new RuntimeException(e); |
| } |
| } |
| }); |
| robot.waitForIdle(); |
| invokeGC(); |
| System.runFinalization(); |
| Thread.sleep(1000); // it's better to wait 1 sec now then 10 sec later |
| Date startWaiting = new Date(); |
| synchronized (CustomInternalFrame.waiter) { |
| // Sync with finalization thread. |
| Date now = new Date(); |
| while (now.getTime() - startWaiting.getTime() < maxWaitTime && !CustomInternalFrame.finalized) { |
| CustomInternalFrame.waiter.wait(waitTime); |
| now = new Date(); |
| } |
| } |
| if (!CustomInternalFrame.finalized) { |
| throw new RuntimeException("Closed internal frame wasn't collected"); |
| } |
| } finally { |
| if (frame != null) SwingUtilities.invokeAndWait(() -> frame.dispose()); |
| } |
| } |
| |
| private static void initRobot() throws AWTException { |
| robot = new Robot(); |
| robot.setAutoDelay(100); |
| } |
| |
| private static void closeInternalFrame() throws PropertyVetoException { |
| iFrame.setClosed(true); |
| iFrame = null; |
| } |
| |
| private static void initUI() { |
| frame = new JFrame("Internal Frame Test"); |
| frame.getContentPane().setLayout(new BorderLayout()); |
| JDesktopPane desktopPane = new JDesktopPane(); |
| desktopPane.setDesktopManager(new DefaultDesktopManager()); |
| frame.getContentPane().add(desktopPane, BorderLayout.CENTER); |
| |
| iFrame = new CustomInternalFrame("Dummy Frame"); |
| |
| iFrame.setSize(200, 200); |
| iFrame.setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE); |
| desktopPane.add(iFrame); |
| |
| frame.setSize(800, 600); |
| frame.setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE); |
| frame.setVisible(true); |
| iFrame.setVisible(true); |
| } |
| |
| private static void invokeGC() { |
| System.out.println("Firing garbage collection!"); |
| try { |
| StringBuilder sb = new StringBuilder(); |
| while (true) { |
| sb.append("any string. some test. a little bit more text." + sb.toString()); |
| } |
| } catch (Throwable e) { |
| // do nothing |
| } |
| } |
| |
| |
| public static class CustomInternalFrame extends JInternalFrame { |
| public static volatile boolean finalized = false; |
| public static Object waiter = new Object(); |
| |
| public CustomInternalFrame(String title) { |
| super(title, true, true, true, true); |
| } |
| |
| protected void finalize() { |
| System.out.println("Finalized!"); |
| finalized = true; |
| waiter.notifyAll(); |
| } |
| } |
| } |