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/*
* Copyright (c) 2016, 2017, 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 6567433
*
* @summary JList.updateUI() for invokes updateUI() on its cellrenderer via
* SwingUtilities.updateComponentTreeUI().
* If the cellrenderer is a parent of this JList the method recurses
* endless.
* This test tests that the fix is effective in avoiding recursion.
*
* @run main/othervm UpdateUIRecursionTest
*/
import java.awt.BorderLayout;
import java.awt.Component;
import javax.swing.DefaultListCellRenderer;
import javax.swing.JFrame;
import javax.swing.JList;
import javax.swing.JScrollPane;
import javax.swing.ListCellRenderer;
import javax.swing.SwingUtilities;
public class UpdateUIRecursionTest extends JFrame implements ListCellRenderer {
JList list;
DefaultListCellRenderer renderer;
public UpdateUIRecursionTest() {
super("UpdateUIRecursionTest");
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
setSize(400, 400);
String[] listData = {
"First", "Second", "Third", "Fourth", "Fifth", "Sixth"
};
list = new JList(listData);
list.setCellRenderer(this);
renderer = new DefaultListCellRenderer();
getContentPane().add(new JScrollPane(list), BorderLayout.CENTER);
setVisible(true);
}
public static void main(String[] args) throws Exception {
SwingUtilities.invokeAndWait(new Runnable() {
@Override
public void run() {
UpdateUIRecursionTest obj = new UpdateUIRecursionTest();
obj.test();
obj.disposeUI();
}
});
}
public void test() {
list.updateUI();
}
public void disposeUI() {
setVisible(false);
dispose();
}
public Component getListCellRendererComponent(JList list, Object value,
int index, boolean isSelected, boolean cellHasFocus)
{
return renderer.getListCellRendererComponent(list, value, index,
isSelected, cellHasFocus);
}
}
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