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 * 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

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 * 2 along with this work; if not, write to the Free Software Foundation,

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 */

 * @bug 6567433

 *

 * @summary  JTree.updateUI() invokes updateUI() on its TreeCellrenderer via

 * SwingUtilities.updateRendererOrEditorUI().

 * If the TreeCellrenderer is a parent of this JTree, 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.JFrame;

import javax.swing.JScrollPane;

import javax.swing.JTree;

import javax.swing.SwingUtilities;

import javax.swing.tree.TreeCellRenderer;

import javax.swing.tree.DefaultTreeCellRenderer;

public class UpdateUIRecursionTest extends JFrame implements TreeCellRenderer {

    JTree tree;

    DefaultTreeCellRenderer renderer;

    public UpdateUIRecursionTest() {

        super("UpdateUIRecursionTest");

        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

        setSize(400, 400);

        String[] listData = {

            "First", "Second", "Third", "Fourth", "Fifth", "Sixth"

        };

        tree = new JTree(listData);

        renderer = new DefaultTreeCellRenderer();

        getContentPane().add(new JScrollPane(tree), BorderLayout.CENTER);

        tree.setCellRenderer(this);

        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() {

        tree.updateUI();

    }

    public void disposeUI() {

        setVisible(false);

        dispose();

    }

    @Override

    public Component getTreeCellRendererComponent(JTree tree, Object value,

                              boolean selected, boolean expanded, boolean leaf,

                              int row, boolean hasFocus)

    {

        return renderer.getTreeCellRendererComponent(tree, value, leaf,

                                                expanded, leaf, row, hasFocus);

    }

}