| /* |
| * Copyright (c) 2011, 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 6464022 |
| * @summary Memory leak in JOptionPane.createDialog |
| * @author Pavel Porvatov |
| * @library ../../regtesthelpers |
| * @build Util |
| * @run main/othervm -mx128m bug6464022 |
| */ |
| |
| import javax.swing.*; |
| import java.lang.ref.WeakReference; |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| public class bug6464022 { |
| private static JOptionPane pane; |
| |
| public static void main(String[] args) throws Exception { |
| final List<WeakReference<JDialog>> references = new ArrayList<WeakReference<JDialog>>(); |
| |
| SwingUtilities.invokeAndWait(new Runnable() { |
| public void run() { |
| pane = new JOptionPane(null, JOptionPane.UNDEFINED_CONDITION); |
| |
| for (int i = 0; i < 10; i++) { |
| JDialog dialog = pane.createDialog(null, "Test " + i); |
| |
| references.add(new WeakReference<JDialog>(dialog)); |
| |
| dialog.dispose(); |
| |
| System.out.println("Disposing Dialog:" + dialog.hashCode()); |
| } |
| } |
| }); |
| |
| Util.generateOOME(); |
| |
| SwingUtilities.invokeAndWait(new Runnable() { |
| public void run() { |
| int allocatedCount = 0; |
| |
| for (WeakReference<JDialog> ref : references) { |
| if (ref.get() != null) { |
| allocatedCount++; |
| |
| System.out.println(ref.get().hashCode() + " is still allocated"); |
| } |
| } |
| |
| if (allocatedCount > 0) { |
| throw new RuntimeException("Some dialogs still exist in memory. Test failed"); |
| } else { |
| System.out.println("All dialogs were GCed. Test passed."); |
| } |
| } |
| }); |
| } |
| } |