214 lines
8.0 KiB
Java
214 lines
8.0 KiB
Java
/*
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* Copyright (c) 2020, 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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* @bug 4907798
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* @key headful
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* @summary Check for memory leak in menu subsystem
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* @run main/othervm -Xmx8m PopupReferenceMemoryLeak
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*/
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import javax.swing.AbstractAction;
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import javax.swing.JFrame;
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import javax.swing.JMenu;
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import javax.swing.JMenuBar;
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import javax.swing.JMenuItem;
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import javax.swing.SwingUtilities;
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import javax.swing.UIManager;
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import javax.swing.UnsupportedLookAndFeelException;
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import javax.swing.WindowConstants;
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import java.awt.BorderLayout;
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import java.awt.Robot;
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import java.awt.event.ActionEvent;
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import java.awt.event.InputEvent;
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import java.awt.event.KeyEvent;
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import java.lang.ref.WeakReference;
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import java.util.ArrayList;
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import static javax.swing.UIManager.getInstalledLookAndFeels;
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public class PopupReferenceMemoryLeak {
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static volatile WeakReference referenceToFrame1;
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static JFrame frame1, frame2;
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public static void main(String[] args) throws Exception {
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Robot robot = new Robot();
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robot.setAutoDelay(200);
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for (UIManager.LookAndFeelInfo laf : getInstalledLookAndFeels()) {
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String lafName = laf.getName();
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System.out.println("Testing LaF: " + lafName);
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if (lafName == null || lafName.startsWith("Mac OS X")) {
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// Aqua Look and Feel uses system menus we can't really test it
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continue;
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}
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setLookAndFeel(laf);
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PopupReferenceMemoryLeak newTest = new PopupReferenceMemoryLeak();
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SwingUtilities.invokeAndWait(newTest::createUI);
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try {
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boolean passed = false;
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robot.waitForIdle();
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Thread.sleep(2000);
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robot.mouseMove(200, 200);
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robot.mousePress(InputEvent.BUTTON1_DOWN_MASK);
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robot.mouseRelease(InputEvent.BUTTON1_DOWN_MASK);
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robot.keyPress(KeyEvent.VK_F10);
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robot.keyRelease(KeyEvent.VK_F10);
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robot.keyPress(KeyEvent.VK_F);
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robot.keyRelease(KeyEvent.VK_F);
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robot.keyPress(KeyEvent.VK_C);
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robot.keyRelease(KeyEvent.VK_C);
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robot.waitForIdle();
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Thread.sleep(2000);
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robot.mouseMove(600, 200);
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robot.waitForIdle();
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Thread.sleep(2000);
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robot.mousePress(InputEvent.BUTTON1_DOWN_MASK);
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robot.mouseRelease(InputEvent.BUTTON1_DOWN_MASK);
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// Workaround for Linux issues when sometimes there
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// is a ref to last opened frame from native code
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JFrame frame3 = new JFrame("Workaround");
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frame3.setSize(100, 100);
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frame3.setLocation(0,0);
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frame3.setVisible(true);
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Thread.sleep(1000);
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frame3.setVisible(false);
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frame3.dispose();
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// Force GC three times to see if it clears the old frame
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for (int i = 0; i < 3; i++) {
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try {
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ArrayList gc = new ArrayList();
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while (true) {
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gc.add(new int[100000]);
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}
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} catch (Throwable ignore) {
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}
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robot.waitForIdle();
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Thread.sleep(1000);
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if (referenceToFrame1.get() == null) {
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// Frame was released
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passed = true;
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break;
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}
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}
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if (!passed) {
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robot.waitForIdle();
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robot.keyPress(KeyEvent.VK_F10);
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robot.keyRelease(KeyEvent.VK_F10);
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robot.keyPress(KeyEvent.VK_T);
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robot.keyRelease(KeyEvent.VK_T);
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robot.keyPress(KeyEvent.VK_M);
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robot.keyRelease(KeyEvent.VK_M);
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robot.waitForIdle();
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Thread.sleep(2000);
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for (int i = 0; i < 5; i++) {
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try {
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ArrayList gc = new ArrayList();
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while (true) {
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gc.add(new int[100000]);
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}
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} catch (Throwable ignore) {
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}
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robot.waitForIdle();
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Thread.sleep(1000);
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if (referenceToFrame1.get() == null) {
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// Frame was released
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throw new RuntimeException("Frame cleared only after menu activated on frame2");
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}
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}
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throw new RuntimeException("Test finished but menu has not cleared the reference!");
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}
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} catch (Exception re) {
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throw new RuntimeException(re.getLocalizedMessage());
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} finally {
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if (frame2 != null) {
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frame2.setVisible(false);
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frame2.dispose();
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}
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}
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}
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}
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private static void setLookAndFeel(UIManager.LookAndFeelInfo laf) {
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try {
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UIManager.setLookAndFeel(laf.getClassName());
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} catch (UnsupportedLookAndFeelException ignored) {
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System.out.println("Unsupported LookAndFeel: " + laf.getClassName());
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} catch (Exception e) {
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throw new RuntimeException(e);
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}
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}
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public void createUI() {
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frame1 = new JFrame("Main test window");
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JMenuBar menuBar1 = new JMenuBar();
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JMenu file1 = new JMenu("File");
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file1.setMnemonic('f');
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JMenuItem close1 = new JMenuItem("Close");
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close1.setMnemonic('c');
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close1.addActionListener(new FrameCloser(frame1));
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file1.add(close1);
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menuBar1.add(file1);
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frame1.setJMenuBar(menuBar1);
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frame1.setSize(200, 200);
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frame1.setLocation(100, 100);
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frame1.setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);
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frame1.setVisible(true);
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referenceToFrame1 = new WeakReference(frame1);
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frame1 = null;
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frame2 = new JFrame("Secondary");
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JMenuBar menuBar2 = new JMenuBar();
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JMenu test = new JMenu("Test");
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test.setMnemonic('T');
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JMenuItem memoryTest = new JMenuItem("Memory");
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memoryTest.setMnemonic('M');
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test.add(memoryTest);
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menuBar2.add(test);
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frame2.setJMenuBar(menuBar2);
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frame2.setLayout(new BorderLayout());
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frame2.setSize(200, 200);
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frame2.setLocation(500, 100);
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frame2.setVisible(true);
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}
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class FrameCloser extends AbstractAction {
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JFrame frame;
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public FrameCloser(JFrame f) {
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this.frame = f;
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}
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@Override
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public void actionPerformed(ActionEvent e) {
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if (frame != null) {
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frame.setVisible(false);
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frame.dispose();
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this.frame = null;
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}
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}
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}
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}
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