ONOS-2739 - OSPF Basic Packet Structures , which includes encoding and decoding

Change-Id: Ic37fcf98dfb6c7a15a124b495aee8517a8df23c9
diff --git a/protocols/ospf/protocol/src/test/java/org/onosproject/ospf/protocol/lsa/TlvHeaderTest.java b/protocols/ospf/protocol/src/test/java/org/onosproject/ospf/protocol/lsa/TlvHeaderTest.java
new file mode 100644
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+++ b/protocols/ospf/protocol/src/test/java/org/onosproject/ospf/protocol/lsa/TlvHeaderTest.java
@@ -0,0 +1,98 @@
+/*
+ * Copyright 2016 Open Networking Laboratory
+ *
+ * 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.onosproject.ospf.protocol.lsa;
+
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+
+import static org.hamcrest.CoreMatchers.notNullValue;
+import static org.hamcrest.Matchers.is;
+import static org.junit.Assert.assertThat;
+
+/**
+ * Unit test class for Tlv Header.
+ */
+public class TlvHeaderTest {
+
+    private TlvHeader tlvHeader;
+    private byte[] result;
+
+
+    @Before
+    public void setUp() throws Exception {
+        tlvHeader = new TlvHeader();
+    }
+
+    @After
+    public void tearDown() throws Exception {
+        tlvHeader = null;
+        result = null;
+    }
+
+    /**
+     * Tests to string method.
+     */
+    @Test
+    public void testToString() throws Exception {
+        assertThat(tlvHeader.toString(), is(notNullValue()));
+    }
+
+    /**
+     * Tests tlvLength() getter method.
+     */
+    @Test
+    public void testGetTlvLength() throws Exception {
+        tlvHeader.setTlvLength(2);
+        assertThat(tlvHeader.tlvLength(), is(2));
+    }
+
+    /**
+     * Tests tlvLength() setter method.
+     */
+    @Test
+    public void testSetTlvLength() throws Exception {
+        tlvHeader.setTlvLength(2);
+        assertThat(tlvHeader.tlvLength(), is(2));
+    }
+
+    /**
+     * Tests tlvType() getter method.
+     */
+    @Test
+    public void testGetTlvType() throws Exception {
+        tlvHeader.setTlvType(2);
+        assertThat(tlvHeader.tlvType(), is(2));
+    }
+
+    /**
+     * Tests tlvType() setter method.
+     */
+    @Test
+    public void testSetTlvType() throws Exception {
+        tlvHeader.setTlvType(2);
+        assertThat(tlvHeader.tlvType(), is(2));
+    }
+
+    /**
+     * Tests getTlvHeaderAsByteArray() method.
+     */
+    @Test
+    public void testGetTlvHeaderAsByteArray() throws Exception {
+        result = tlvHeader.getTlvHeaderAsByteArray();
+        assertThat(result, is(notNullValue()));
+    }
+}
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