Implement packet seriailizer and deserializer for LACP

Change-Id: Idbbd87a3ddeb477cac49a65e6a5c768761019e11
diff --git a/utils/misc/src/test/java/org/onlab/packet/lacp/LacpStateTest.java b/utils/misc/src/test/java/org/onlab/packet/lacp/LacpStateTest.java
new file mode 100644
index 0000000..4645664
--- /dev/null
+++ b/utils/misc/src/test/java/org/onlab/packet/lacp/LacpStateTest.java
@@ -0,0 +1,89 @@
+/*
+ * Copyright 2018-present Open Networking Foundation
+ *
+ * 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 org.onlab.packet.lacp;
+
+import org.junit.Test;
+
+import static org.junit.Assert.*;
+
+public class LacpStateTest {
+
+    @Test
+    public void toByte() {
+        LacpState state = new LacpState((byte) 0x15);
+        assertEquals((byte) 0x15, state.toByte());
+    }
+
+    @Test
+    public void isActive() {
+        LacpState state = new LacpState((byte) 0x1);
+        assertTrue(state.isActive());
+    }
+
+    @Test
+    public void isTimeout() {
+        LacpState state = new LacpState((byte) 0x2);
+        assertTrue(state.isTimeout());
+    }
+
+    @Test
+    public void isAggregatable() {
+        LacpState state = new LacpState((byte) 0x4);
+        assertTrue(state.isAggregatable());
+    }
+
+    @Test
+    public void isSync() {
+        LacpState state = new LacpState((byte) 0x8);
+        assertTrue(state.isSync());
+    }
+
+    @Test
+    public void isCollecting() {
+        LacpState state = new LacpState((byte) 0x10);
+        assertTrue(state.isCollecting());
+    }
+
+    @Test
+    public void isDistributing() {
+        LacpState state = new LacpState((byte) 0x20);
+        assertTrue(state.isDistributing());
+    }
+
+    @Test
+    public void isDefault() {
+        LacpState state = new LacpState((byte) 0x40);
+        assertTrue(state.isDefault());
+    }
+
+    @Test
+    public void isExpired() {
+        LacpState state = new LacpState((byte) 0x80);
+        assertTrue(state.isExpired());
+    }
+
+    @Test
+    public void equals() {
+        LacpState state1 = new LacpState((byte) 0x15);
+        LacpState state2 = new LacpState((byte) 0x15);
+        LacpState state3 = new LacpState((byte) 0x51);
+
+        assertEquals(state1, state2);
+        assertNotEquals(state1, state3);
+
+    }
+}
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