| /* |
| * Copyright (c) 2012, 2015, 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 6396844 |
| * @summary Tests memory leak for 20000 files |
| * @author Sergey Malenkov |
| * @library ../../regtesthelpers |
| * @modules java.desktop/sun.java2d |
| * @build Util |
| * @run main/othervm/timeout=1000 -mx128m TwentyThousandTest |
| */ |
| |
| import sun.java2d.Disposer; |
| import sun.java2d.DisposerRecord; |
| |
| import javax.swing.*; |
| import java.awt.event.HierarchyEvent; |
| import java.awt.event.HierarchyListener; |
| import java.io.File; |
| import java.io.FileWriter; |
| |
| public class TwentyThousandTest { |
| |
| private static final int FILES = 20000; |
| private static final int ATTEMPTS = 20; |
| private static final int INTERVAL = 100; |
| |
| private static String tmpDir; |
| |
| private static volatile boolean disposerComplete; |
| |
| public static void main(String[] args) throws Exception { |
| tmpDir = System.getProperty("java.io.tmpdir"); |
| |
| if (tmpDir.length() == 0) { //'java.io.tmpdir' isn't guaranteed to be defined |
| tmpDir = System.getProperty("user.home"); |
| } |
| |
| System.out.println("Temp directory: " + tmpDir); |
| |
| System.out.println("Creating " + FILES + " files"); |
| |
| for (int i = 0; i < FILES; i++) { |
| File file = getTempFile(i); |
| |
| FileWriter writer = new FileWriter(file); |
| writer.write("File " + i); |
| writer.close(); |
| } |
| |
| for (UIManager.LookAndFeelInfo laf : UIManager.getInstalledLookAndFeels()) { |
| if (laf.getClassName().contains("Motif")) { |
| continue; |
| } |
| |
| UIManager.setLookAndFeel(laf.getClassName()); |
| |
| System.out.println("Do " + ATTEMPTS + " attempts for " + laf.getClassName()); |
| |
| for (int i = 0; i < ATTEMPTS; i++) { |
| System.out.print(i + " "); |
| |
| doAttempt(); |
| } |
| |
| System.out.println(); |
| } |
| |
| System.out.println("Removing " + FILES + " files"); |
| |
| for (int i = 0; i < FILES; i++) { |
| getTempFile(i).delete(); |
| } |
| |
| System.out.println("Test passed successfully"); |
| } |
| |
| private static File getTempFile(int i) { |
| return new File(tmpDir, "temp" + i + ".txt"); |
| } |
| |
| private static void doAttempt() throws Exception { |
| SwingUtilities.invokeAndWait(new Runnable() { |
| public void run() { |
| final JFileChooser chooser = new JFileChooser(tmpDir); |
| |
| chooser.updateUI(); |
| |
| // Postpone JFileChooser closing until it becomes visible |
| chooser.addHierarchyListener(new HierarchyListener() { |
| @Override |
| public void hierarchyChanged(HierarchyEvent e) { |
| if ((e.getChangeFlags() & HierarchyEvent.SHOWING_CHANGED) != 0) { |
| if (chooser.isShowing()) { |
| Thread thread = new Thread(new Runnable() { |
| public void run() { |
| try { |
| Thread.sleep(INTERVAL); |
| |
| // Close JFileChooser |
| SwingUtilities.invokeLater(new Runnable() { |
| public void run() { |
| chooser.cancelSelection(); |
| } |
| }); |
| } catch (InterruptedException e) { |
| throw new RuntimeException(e); |
| } |
| } |
| }); |
| |
| thread.start(); |
| } |
| } |
| } |
| }); |
| |
| chooser.showOpenDialog(null); |
| } |
| }); |
| |
| DisposerRecord disposerRecord = new DisposerRecord() { |
| public void dispose() { |
| disposerComplete = true; |
| } |
| }; |
| |
| disposerComplete = false; |
| |
| Disposer.addRecord(new Object(), disposerRecord); |
| |
| while (!disposerComplete) { |
| Util.generateOOME(); |
| } |
| } |
| } |