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