/**
 *    Copyright 2011, Big Switch Networks, Inc.
 *    Originally created by David Erickson, Stanford University
 *
 *    Licensed under the Apache License, Version 2.0 (the "License"); you may
 *    not use this file except in compliance with the License. You may obtain
 *    a copy of the License at
 *
 *         http://www.apache.org/licenses/LICENSE-2.0
 *
 *    Unless required by applicable law or agreed to in writing, software
 *    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 *    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 *    License for the specific language governing permissions and limitations
 *    under the License.
 **/

/**
 *
 */
package net.onrc.onos.core.packet;

import static org.junit.Assert.assertTrue;

import java.util.Arrays;

import org.junit.Test;

/**
 * @author David Erickson (daviderickson@cs.stanford.edu)
 */
public class UDPTest {

    @Test
    public void testSerialize() {
        byte[] expected = new byte[]{0x45, 0x00, 0x00, 0x1d, 0x56, 0x23,
                0x00, 0x00, (byte) 0x80, 0x11, 0x48, 0x7f, (byte) 0xc0,
                (byte) 0xa8, 0x01, 0x02, 0x0c, (byte) 0x81, (byte) 0xce, 0x02,
                0x17, (byte) 0xe1, 0x04, 0x5f, 0x00, 0x09, 0x46, 0x6e,
                0x01};
        IPacket packet = new IPv4()
                .setIdentification((short) 22051)
                .setTtl((byte) 128)
                .setSourceAddress("192.168.1.2")
                .setDestinationAddress("12.129.206.2")
                .setPayload(new UDP()
                        .setSourcePort((short) 6113)
                        .setDestinationPort((short) 1119)
                        .setPayload(new Data(new byte[]{0x01}))
                );
        byte[] actual = packet.serialize();
        assertTrue(Arrays.equals(expected, actual));
    }
}