bug6613904.java

/*
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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 6613904
 * @summary javax.swing.GroupLayout.createParallelGroup(..) doesn't throw IllegalArgumentException for null arg
 * @author Pavel Porvatov
 */

import javax.swing.*;

public class bug6613904 {
    public static void main(String[] args) {
        SwingUtilities.invokeLater(new Runnable() {
            public void run() {
                GroupLayout groupLayout = new GroupLayout(new JPanel());

                try {
                    groupLayout.createParallelGroup(null);

                    throw new RuntimeException("groupLayout.createParallelGroup(null) doesn't throw IAE");
                } catch (IllegalArgumentException e) {
                    // Ok
                }

                try {
                    groupLayout.createParallelGroup(null, true);

                    throw new RuntimeException("groupLayout.createParallelGroup(null, true) doesn't throw IAE");
                } catch (IllegalArgumentException e) {
                    // Ok
                }

                try {
                    groupLayout.createParallelGroup(null, false);

                    throw new RuntimeException("groupLayout.createParallelGroup(null, false) doesn't throw IAE");
                } catch (IllegalArgumentException e) {
                    // Ok
                }
            }
        });
    }
}