diff --git a/protocols/ospf/ctl/src/test/java/org/onosproject/ospf/controller/impl/OspfMessageDecoderTest.java b/protocols/ospf/ctl/src/test/java/org/onosproject/ospf/controller/impl/OspfMessageDecoderTest.java
new file mode 100755
index 0000000..753ad6c
--- /dev/null
+++ b/protocols/ospf/ctl/src/test/java/org/onosproject/ospf/controller/impl/OspfMessageDecoderTest.java
@@ -0,0 +1,86 @@
+/*
+ * 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.controller.impl;
+
+import org.easymock.EasyMock;
+import org.jboss.netty.buffer.ChannelBuffer;
+import org.jboss.netty.buffer.ChannelBuffers;
+import org.jboss.netty.channel.Channel;
+import org.jboss.netty.channel.ChannelHandlerContext;
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+
+import java.net.InetSocketAddress;
+import java.net.SocketAddress;
+
+import static org.hamcrest.CoreMatchers.is;
+import static org.hamcrest.CoreMatchers.nullValue;
+import static org.hamcrest.MatcherAssert.assertThat;
+
+/**
+ * Unit test class for OspfMessageDecoder.
+ */
+public class OspfMessageDecoderTest {
+
+    private final byte[] hellopacket = {0, 0, 0, 0, 2, 1, 0, 44, -64, -88, -86, 8, 0, 0, 0, 1, 39, 59,
+            0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -1, -1, -1, 0, 0, 10, 2, 1, 0, 0, 0,
+            40, -64, -88, -86, 8, 0, 0, 0, 0};
+    private final byte[] ddpacket = {0, 0, 0, 0, 2, 2, 0, 32, -64, -88, -86, 8, 0, 0, 0, 1, -96, 82,
+            0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 5, -36, 2, 7, 65, 119, -87, 126};
+    private final byte[] ddpacket44 = {0, 0, 0, 0, 2, 2, 0, 10, -64, -88};
+    private final byte[] lsAckpacket = {0, 0, 0, 0, 2, 5, 0, 44, -64, -88, -86, 8, 0, 0, 0, 1, -30, -12,
+            0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 14, 16, 2, 1, -64, -88, -86, 2, -64,
+            -88, -86, 2, -128, 0, 0, 1, 74, -114, 0, 48};
+    private final byte[] lsUpdatePacket = {0, 0, 0, 0, 2, 4, 0, 76, -64, -88, -86, 3, 0, 0, 0, 1, 7, 111,
+            0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 14, 16, 2, 1, -64, -88,
+            -86, 2, -64, -88, -86, 2, -128, 0, 0, 1, 74, -114, 0, 48, 2, 0, 0, 2
+            , -64, -88, -86, 0, -1, -1, -1, 0, 3, 0, 0, 10, -64, -88, -86, 0, -1, -1, -1, 0, 3, 0, 0, 10};
+    private final byte[] lsRequestPacket = {0, 0, 0, 0, 2, 3, 0, 36, -64, -88, -86, 3, 0, 0, 0, 1, -67, -57,
+            0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, -64, -88, -86, 8, -64, -88, -86, 8};
+    private OspfMessageDecoder ospfMessageDecoder;
+    private ChannelHandlerContext ctx;
+    private Channel channel;
+    private SocketAddress socketAddress;
+    private ChannelBuffer channelBuffer;
+
+    @Before
+    public void setUp() throws Exception {
+        ospfMessageDecoder = new OspfMessageDecoder();
+    }
+
+    @After
+    public void tearDown() throws Exception {
+        ospfMessageDecoder = null;
+        channel = null;
+        socketAddress = null;
+        channelBuffer = null;
+    }
+
+    /**
+     * Tests decode() method.
+     */
+    @Test
+    public void testDecode() throws Exception {
+
+        channel = EasyMock.createMock(Channel.class);
+        socketAddress = InetSocketAddress.createUnresolved("127.0.0.1", 7000);
+        channelBuffer = ChannelBuffers.copiedBuffer(hellopacket);
+        assertThat(ospfMessageDecoder.decode(ctx, channel, channelBuffer), is(nullValue()));
+
+
+    }
+}
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