test/jdk/javax/swing/JOptionPane/TestOptionPaneStackOverflow.java

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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * under the terms of the GNU General Public License version 2 only, as
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 *
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 * 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).
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 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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/* @test
   @bug 8224267 8290162
   @key headful
   @summary Verifies if StackOverflowError is not thrown for multiple newlines
   @run main TestOptionPaneStackOverflow
 */

import javax.swing.JDialog;
import javax.swing.JFrame;
import javax.swing.JOptionPane;
import javax.swing.SwingUtilities;

public class TestOptionPaneStackOverflow
{
    static JFrame frame;

    public static void main(String[] argv) throws Exception
    {
        try {
            String message = java.nio.CharBuffer.allocate(5000).toString().
                                  replace('\0','\n');
            SwingUtilities.invokeAndWait(() -> {
                frame = new JFrame();
                JOptionPane optionPane = new JOptionPane();
                optionPane.createDialog(frame, null);
                optionPane.setMessage(message);
            });
        } finally {
            SwingUtilities.invokeAndWait(() -> {
                if (frame != null) {
                    frame.dispose();
                }
            });
        }
    }
}