Add unit tests for SPUD class.

src/test/java/net/floodlightcontroller/packet/SPUDTest.java

+package net.floodlightcontroller.packet;
+
+import static org.junit.Assert.assertTrue;
+import java.util.Arrays;
+import org.junit.Test;
+
+/**
+ * @author Jacob Chappell (jacob.chappell@uky.edu)
+ */
+public class SPUDTest {
+    @Test
+    public void testSerializeCommandOpen() {
+        byte[] expected = new byte[] {
+                (byte) 0xd8, 0x00, 0x00, (byte) 0xd8,
+                (byte) 0xb6, 0x40, 0x17, (byte) 0x88,
+                0x0a, 0x51, 0x01, 0x07, 0x40
+        };
+        SPUD packet = (new SPUD())
+                .setTubeID(0xb64017880a510107L)
+                .setCommand(SPUD.COMMAND_OPEN)
+                .setADEC(false)
+                .setPDEC(false)
+                .setReserved((byte) 0);
+        byte[] actual = packet.serialize();
+        assertTrue(Arrays.equals(expected, actual));
+    }
+
+    @Test
+    public void testSerializeCommandDataEmpty() {
+        byte[] expected = new byte[] {
+                (byte) 0xd8, 0x00, 0x00, (byte) 0xd8,
+                (byte) 0xb6, 0x40, 0x17, (byte) 0x88,
+                0x0a, 0x51, 0x01, 0x07, 0x00
+        };
+        SPUD packet = (new SPUD())
+                .setTubeID(0xb64017880a510107L)
+                .setCommand(SPUD.COMMAND_DATA)
+                .setADEC(false)
+                .setPDEC(false)
+                .setReserved((byte) 0);
+        byte[] actual = packet.serialize();
+        assertTrue(Arrays.equals(expected, actual));
+    }
+
+    @Test
+    public void testSerializeCommandDataEmptyWithADEC() {
+        byte[] expected = new byte[] {
+                (byte) 0xd8, 0x00, 0x00, (byte) 0xd8,
+                (byte) 0xb6, 0x40, 0x17, (byte) 0x88,
+                0x0a, 0x51, 0x01, 0x07, 0x20
+        };
+        SPUD packet = (new SPUD())
+                .setTubeID(0xb64017880a510107L)
+                .setCommand(SPUD.COMMAND_DATA)
+                .setADEC(true)
+                .setPDEC(false)
+                .setReserved((byte) 0);
+        byte[] actual = packet.serialize();
+        assertTrue(Arrays.equals(expected, actual));
+    }
+
+    @Test
+    public void testSerializeCommandDataEmptyWithPDEC() {
+        byte[] expected = new byte[] {
+                (byte) 0xd8, 0x00, 0x00, (byte) 0xd8,
+                (byte) 0xb6, 0x40, 0x17, (byte) 0x88,
+                0x0a, 0x51, 0x01, 0x07, 0x10
+        };
+        SPUD packet = (new SPUD())
+                .setTubeID(0xb64017880a510107L)
+                .setCommand(SPUD.COMMAND_DATA)
+                .setADEC(false)
+                .setPDEC(true)
+                .setReserved((byte) 0);
+        byte[] actual = packet.serialize();
+        assertTrue(Arrays.equals(expected, actual));
+    }
+
+    @Test
+    public void testSerializeCommandDataEmptyWithBoth() {
+        byte[] expected = new byte[] {
+                (byte) 0xd8, 0x00, 0x00, (byte) 0xd8,
+                (byte) 0xb6, 0x40, 0x17, (byte) 0x88,
+                0x0a, 0x51, 0x01, 0x07, 0x30
+        };
+        SPUD packet = (new SPUD())
+                .setTubeID(0xb64017880a510107L)
+                .setCommand(SPUD.COMMAND_DATA)
+                .setADEC(true)
+                .setPDEC(true)
+                .setReserved((byte) 0);
+        byte[] actual = packet.serialize();
+        assertTrue(Arrays.equals(expected, actual));
+    }
+
+    @Test
+    public void testDeserialize() throws PacketParsingException {
+        byte[] spudPacket =  {
+                (byte) 0xd8, 0x00, 0x00, (byte) 0xd8, (byte) 0xb6,
+                0x40, 0x17, (byte) 0x88, 0x0a, 0x51, 0x01, 0x07,
+                0x00, (byte) 0xa1, 0x00, (byte) 0xa2, 0x68, 0x75,
+                0x73, 0x65, 0x72, 0x6e, 0x61, 0x6d, 0x65, 0x65,
+                0x4a, 0x61, 0x63, 0x6f, 0x62, 0x67, 0x6d, 0x65,
+                0x73, 0x73, 0x61, 0x67, 0x65, 0x73, 0x68, 0x61,
+                0x73, 0x20, 0x6a, 0x6f, 0x69, 0x6e, 0x65, 0x64,
+                0x20, 0x74, 0x68, 0x65, 0x20, 0x72, 0x6f, 0x6f,
+                0x6d
+        };
+        SPUD packet = new SPUD();
+        packet.deserialize(spudPacket, 0, spudPacket.length);
+        byte[] packetSerialized = packet.serialize();
+        assertTrue(Arrays.equals(spudPacket, packetSerialized));
+    }
+}