85 lines
2.8 KiB
Java
85 lines
2.8 KiB
Java
/*
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* Copyright (c) 2011, 2024, 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 6464022
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* @summary Memory leak in JOptionPane.createDialog
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* @author Pavel Porvatov
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* @library ../../regtesthelpers
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* @build Util
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* @run main/othervm -Xmx128m bug6464022
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*/
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import javax.swing.*;
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import java.lang.ref.WeakReference;
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import java.util.ArrayList;
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import java.util.List;
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public class bug6464022 {
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private static JOptionPane pane;
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public static void main(String[] args) throws Exception {
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final List<WeakReference<JDialog>> references = new ArrayList<WeakReference<JDialog>>();
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SwingUtilities.invokeAndWait(new Runnable() {
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public void run() {
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pane = new JOptionPane(null, JOptionPane.UNDEFINED_CONDITION);
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for (int i = 0; i < 10; i++) {
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JDialog dialog = pane.createDialog(null, "Test " + i);
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references.add(new WeakReference<JDialog>(dialog));
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dialog.dispose();
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System.out.println("Disposing Dialog:" + dialog.hashCode());
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}
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}
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});
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Util.generateOOME();
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SwingUtilities.invokeAndWait(new Runnable() {
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public void run() {
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int allocatedCount = 0;
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for (WeakReference<JDialog> ref : references) {
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if (ref.get() != null) {
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allocatedCount++;
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System.out.println(ref.get().hashCode() + " is still allocated");
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}
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}
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if (allocatedCount > 0) {
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throw new RuntimeException("Some dialogs still exist in memory. Test failed");
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} else {
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System.out.println("All dialogs were GCed. Test passed.");
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}
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}
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});
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}
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}
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