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 *

 * 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

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 *

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

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import sun.security.x509.*;

import sun.security.util.*;

/**

 * @test

 * @author Sean Mullan

 * @bug 4716972

 * @summary Check that GeneralName.encode() encodes an X500Name with

 *      an explicit tag

 * @modules java.base/sun.security.util

 *          java.base/sun.security.x509

 */

public class Encode {

    public static void main(String[] args) throws Exception {

        GeneralName gn = new GeneralName(new X500Name("cn=john"));

        DerOutputStream dos = new DerOutputStream();

        gn.encode(dos);

        DerValue dv = new DerValue(dos.toByteArray());

        short tag = (byte)(dv.tag & 0x1f);

        if (tag != GeneralNameInterface.NAME_DIRECTORY) {

            throw new Exception("Invalid tag for Directory name");

        }

        if (!dv.isContextSpecific() || !dv.isConstructed()) {

            throw new Exception("Invalid encoding of Directory name");

        }

        DerInputStream data = dv.getData();

        DerValue[] seq = data.getSequence(5);

    }

}