diff --git a/pcep/pcepio/src/main/java/org/onosproject/pcepio/protocol/ver1/PcepFactoryVer1.java b/pcep/pcepio/src/main/java/org/onosproject/pcepio/protocol/ver1/PcepFactoryVer1.java
index 4d50c70..9ad5f9f 100644
--- a/pcep/pcepio/src/main/java/org/onosproject/pcepio/protocol/ver1/PcepFactoryVer1.java
+++ b/pcep/pcepio/src/main/java/org/onosproject/pcepio/protocol/ver1/PcepFactoryVer1.java
@@ -22,6 +22,10 @@
 import org.onosproject.pcepio.protocol.PcepCloseMsg;
 import org.onosproject.pcepio.protocol.PcepEndPointsObject;
 import org.onosproject.pcepio.protocol.PcepEroObject;
+import org.onosproject.pcepio.protocol.PcepErrorInfo;
+import org.onosproject.pcepio.protocol.PcepError;
+import org.onosproject.pcepio.protocol.PcepErrorMsg;
+import org.onosproject.pcepio.protocol.PcepErrorObject;
 import org.onosproject.pcepio.protocol.PcepFactory;
 import org.onosproject.pcepio.protocol.PcepInitiateMsg;
 import org.onosproject.pcepio.protocol.PcepKeepaliveMsg;
@@ -31,6 +35,8 @@
 import org.onosproject.pcepio.protocol.PcepMessageReader;
 import org.onosproject.pcepio.protocol.PcepMetricObject;
 import org.onosproject.pcepio.protocol.PcepMsgPath;
+import org.onosproject.pcepio.protocol.PcepOpenMsg;
+import org.onosproject.pcepio.protocol.PcepOpenObject;
 import org.onosproject.pcepio.protocol.PcepSrpObject;
 import org.onosproject.pcepio.protocol.PcepUpdateMsg;
 import org.onosproject.pcepio.protocol.PcepUpdateRequest;
@@ -41,15 +47,13 @@
     public static final PcepFactoryVer1 INSTANCE = new PcepFactoryVer1();
 
     @Override
-    public org.onosproject.pcepio.protocol.PcepOpenMsg.Builder buildOpenMsg() {
-        // TODO Auto-generated method stub
-        return null;
+    public PcepOpenMsg.Builder buildOpenMsg() {
+        return new PcepOpenMsgVer1.Builder();
     }
 
     @Override
-    public org.onosproject.pcepio.protocol.PcepOpenObject.Builder buildOpenObject() {
-        // TODO Auto-generated method stub
-        return null;
+    public PcepOpenObject.Builder buildOpenObject() {
+        return new PcepOpenObjectVer1.Builder();
     }
 
     @Override
@@ -180,15 +184,13 @@
     }
 
     @Override
-    public org.onosproject.pcepio.protocol.PcepErrorMsg.Builder buildPcepErrorMsg() {
-        // TODO Auto-generated method stub
-        return null;
+    public PcepErrorMsg.Builder buildPcepErrorMsg() {
+        return new PcepErrorMsgVer1.Builder();
     }
 
     @Override
-    public org.onosproject.pcepio.protocol.PcepErrorObject.Builder buildPcepErrorObject() {
-        // TODO Auto-generated method stub
-        return null;
+    public PcepErrorObject.Builder buildPcepErrorObject() {
+        return new PcepErrorObjectVer1.Builder();
     }
 
     @Override
@@ -198,15 +200,13 @@
     }
 
     @Override
-    public org.onosproject.pcepio.protocol.PcepErrorInfo.Builder buildPcepErrorInfo() {
-        // TODO Auto-generated method stub
-        return null;
+    public PcepErrorInfo.Builder buildPcepErrorInfo() {
+        return new PcepErrorInfoVer1.Builder();
     }
 
     @Override
-    public org.onosproject.pcepio.protocol.PcepError.Builder buildPcepError() {
-        // TODO Auto-generated method stub
-        return null;
+    public PcepError.Builder buildPcepError() {
+        return new PcepErrorVer1.Builder();
     }
 
     @Override
diff --git a/pcep/pcepio/src/main/java/org/onosproject/pcepio/protocol/ver1/PcepMessageVer1.java b/pcep/pcepio/src/main/java/org/onosproject/pcepio/protocol/ver1/PcepMessageVer1.java
index 8ca322e..a7c2901 100644
--- a/pcep/pcepio/src/main/java/org/onosproject/pcepio/protocol/ver1/PcepMessageVer1.java
+++ b/pcep/pcepio/src/main/java/org/onosproject/pcepio/protocol/ver1/PcepMessageVer1.java
@@ -73,8 +73,7 @@
                 case OPEN_MSG_TYPE:
                     log.debug("OPEN MESSAGE is received");
                     // message type value 1 means it is open message
-                    // return
-                    // TODO: Read open message from channel buffer.
+                    return PcepOpenMsgVer1.READER.readFrom(cb.readBytes(length));
                 case KEEPALIVE_MSG_TYPE:
                     log.debug("KEEPALIVE MESSAGE is received");
                     // message type value 2 means it is Keepalive message
@@ -82,8 +81,7 @@
                 case ERROR_MSG_TYPE:
                     log.debug("ERROR MESSAGE is received");
                     // message type value 6 means it is error message
-                    // return
-                    // TODO: Read Error message from channel buffer.
+                    return PcepErrorMsgVer1.READER.readFrom(cb.readBytes(length));
                 case REPORT_MSG_TYPE:
                     log.debug("REPORT MESSAGE is received");
                     // message type value 10 means it is Report message
diff --git a/pcep/pcepio/src/test/java/org/onosproject/pcepio/PcepErrorMsgTest.java b/pcep/pcepio/src/test/java/org/onosproject/pcepio/PcepErrorMsgTest.java
new file mode 100644
index 0000000..1dca8c0
--- /dev/null
+++ b/pcep/pcepio/src/test/java/org/onosproject/pcepio/PcepErrorMsgTest.java
@@ -0,0 +1,975 @@
+/*
+ * Copyright 2014-2015 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.pcepio;
+
+import java.util.Arrays;
+
+import org.jboss.netty.buffer.ChannelBuffer;
+import org.jboss.netty.buffer.ChannelBuffers;
+import org.junit.After;
+import org.junit.Assert;
+import org.junit.Before;
+import org.junit.Test;
+import org.onosproject.pcepio.exceptions.PcepParseException;
+import org.onosproject.pcepio.protocol.PcepErrorMsg;
+import org.onosproject.pcepio.protocol.PcepFactories;
+import org.onosproject.pcepio.protocol.PcepMessage;
+import org.onosproject.pcepio.protocol.PcepMessageReader;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * Test cases for PCEP ERROR Message.
+ */
+public class PcepErrorMsgTest {
+
+    protected static final Logger log = LoggerFactory.getLogger(PcepErrorMsgTest.class);
+
+    @Before
+    public void startUp() {
+
+    }
+
+    @After
+    public void tearDown() {
+
+    }
+
+    @Test
+    public void errorMessageTest1() throws PcepParseException {
+
+        /* PCEP-ERROR Object, OPEN Object (STATEFUL-PCE-CAPABILITY, GMPLS-CAPABILITY-TLV,
+         * PCECC-CAPABILITY-TLV, TED Capability TLV)
+         */
+        byte[] errorMsg = new byte[] {0x20, 0x06, 0x00, 0x34, // common header
+                0x0D, 0x10, 0x00, 0x08, // PCERR Object Header
+                0x00, 0x00, 0x01, 0x01, 0x01, 0x10, 0x00, 0x28, // OPEN object header
+                0x20, 0x05, 0x1E, 0x01, // OPEN object
+                0x00, 0x10, 0x00, 0x04, // STATEFUL-PCE-CAPABILITY
+                0x00, 0x00, 0x00, 0x05, 0x00, 0x0E, 0x00, 0x04, // GMPLS-CAPABILITY-TLV
+                0x00, 0x00, 0x00, 0x00, 0x00, 0x20, 0x00, 0x04, // PCECC-CAPABILITY-TLV
+                0x00, 0x00, 0x00, 0x03, 0x00, (byte) 0x84, 0x00, 0x04, // TED Capability TLV
+                0x00, 0x00, 0x00, 0x00 };
+
+        ChannelBuffer buffer = ChannelBuffers.dynamicBuffer();
+        buffer.writeBytes(errorMsg);
+
+        PcepMessageReader<PcepMessage> reader = PcepFactories.getGenericReader();
+        PcepMessage message = null;
+        try {
+            message = reader.readFrom(buffer);
+        } catch (PcepParseException e) {
+            e.printStackTrace();
+        }
+
+        byte[] testErrorMsg = {0};
+        ChannelBuffer buf = ChannelBuffers.dynamicBuffer();
+        if (message instanceof PcepErrorMsg) {
+            message.writeTo(buf);
+            int iReadLen = buf.writerIndex() - 0;
+            testErrorMsg = new byte[iReadLen];
+            buf.readBytes(testErrorMsg, 0, iReadLen);
+
+            if (Arrays.equals(errorMsg, testErrorMsg)) {
+                Assert.assertArrayEquals(errorMsg, testErrorMsg);
+                log.debug("Pcep Error Msg are Equal ");
+            } else {
+                Assert.fail("test case failed");
+                log.debug("not equal");
+            }
+        } else {
+            Assert.fail("test case failed");
+            log.debug("not equal");
+        }
+    }
+
+    @Test
+    public void errorMessageTest2() throws PcepParseException {
+
+        /* PCEP-ERROR Object, PCEP-ERROR Object, OPEN Object (STATEFUL-PCE-CAPABILITY, GMPLS-CAPABILITY-TLV,
+         * PCECC-CAPABILITY-TLV, TED Capability TLV)
+         */
+        byte[] errorMsg = new byte[] {0x20, 0x06, 0x00, 0x3C, // common header
+                0x0D, 0x10, 0x00, 0x08, // PCERR Object Header
+                0x00, 0x00, 0x01, 0x01, 0x0D, 0x10, 0x00, 0x08, // PCERR Object Header
+                0x00, 0x00, 0x01, 0x03, 0x01, 0x10, 0x00, 0x28, // OPEN object header
+                0x20, 0x05, 0x1E, 0x01, // OPEN object
+                0x00, 0x10, 0x00, 0x04, // STATEFUL-PCE-CAPABILITY
+                0x00, 0x00, 0x00, 0x05, 0x00, 0x0E, 0x00, 0x04, // GMPLS-CAPABILITY-TLV
+                0x00, 0x00, 0x00, 0x00, 0x00, 0x20, 0x00, 0x04, // PCECC-CAPABILITY-TLV
+                0x00, 0x00, 0x00, 0x03, 0x00, (byte) 0x84, 0x00, 0x04, // TED Capability TLV
+                0x00, 0x00, 0x00, 0x00 };
+
+        ChannelBuffer buffer = ChannelBuffers.dynamicBuffer();
+        buffer.writeBytes(errorMsg);
+
+        PcepMessageReader<PcepMessage> reader = PcepFactories.getGenericReader();
+        PcepMessage message = null;
+        try {
+            message = reader.readFrom(buffer);
+        } catch (PcepParseException e) {
+            e.printStackTrace();
+        }
+
+        byte[] testErrorMsg = {0};
+        ChannelBuffer buf = ChannelBuffers.dynamicBuffer();
+        if (message instanceof PcepErrorMsg) {
+            message.writeTo(buf);
+            int iReadLen = buf.writerIndex() - 0;
+            testErrorMsg = new byte[iReadLen];
+            buf.readBytes(testErrorMsg, 0, iReadLen);
+
+            if (Arrays.equals(errorMsg, testErrorMsg)) {
+                Assert.assertArrayEquals(errorMsg, testErrorMsg);
+                log.debug("Pcep Error Msg are Equal ");
+            } else {
+                Assert.fail("test case failed");
+                log.debug("not equal");
+            }
+        } else {
+            Assert.fail("test case failed");
+            log.debug("not equal");
+        }
+    }
+
+    @Test
+    public void errorMessageTest3() throws PcepParseException {
+
+        /* PCEP-ERROR Object, PCEP-ERROR Object, OPEN Object (STATEFUL-PCE-CAPABILITY, GMPLS-CAPABILITY-TLV,
+         * PCECC-CAPABILITY-TLV)
+         */
+        byte[] errorMsg = new byte[] {0x20, 0x06, 0x00, 0x34, // common header
+                0x0D, 0x10, 0x00, 0x08, // PCERR Object Header
+                0x00, 0x00, 0x01, 0x01, 0x0D, 0x10, 0x00, 0x08, // PCERR Object Header
+                0x00, 0x00, 0x01, 0x03, 0x01, 0x10, 0x00, 0x20, // OPEN object header
+                0x20, 0x05, 0x1E, 0x01, // OPEN object
+                0x00, 0x10, 0x00, 0x04, // STATEFUL-PCE-CAPABILITY
+                0x00, 0x00, 0x00, 0x05, 0x00, 0x0E, 0x00, 0x04, // GMPLS-CAPABILITY-TLV
+                0x00, 0x00, 0x00, 0x00, 0x00, 0x20, 0x00, 0x04, // PCECC-CAPABILITY-TLV
+                0x00, 0x00, 0x00, 0x03 };
+
+        ChannelBuffer buffer = ChannelBuffers.dynamicBuffer();
+        buffer.writeBytes(errorMsg);
+
+        PcepMessageReader<PcepMessage> reader = PcepFactories.getGenericReader();
+        PcepMessage message = null;
+        try {
+            message = reader.readFrom(buffer);
+        } catch (PcepParseException e) {
+            e.printStackTrace();
+        }
+
+        byte[] testErrorMsg = {0};
+        ChannelBuffer buf = ChannelBuffers.dynamicBuffer();
+        if (message instanceof PcepErrorMsg) {
+            message.writeTo(buf);
+            int iReadLen = buf.writerIndex() - 0;
+            testErrorMsg = new byte[iReadLen];
+            buf.readBytes(testErrorMsg, 0, iReadLen);
+
+            if (Arrays.equals(errorMsg, testErrorMsg)) {
+                Assert.assertArrayEquals(errorMsg, testErrorMsg);
+                log.debug("Pcep Error Msg are Equal ");
+            } else {
+                Assert.fail("test case failed");
+                log.debug("not equal");
+            }
+        } else {
+            Assert.fail("test case failed");
+            log.debug("not equal");
+        }
+    }
+
+    @Test
+    public void errorMessageTest4() throws PcepParseException {
+
+        //PCEP-ERROR Object, PCEP-ERROR Object, OPEN Object (STATEFUL-PCE-CAPABILITY, GMPLS-CAPABILITY-TLV)
+        byte[] errorMsg = new byte[] {0x20, 0x06, 0x00, 0x2c, // common header
+                0x0D, 0x10, 0x00, 0x08, // PCERR Object Header
+                0x00, 0x00, 0x01, 0x01, 0x0D, 0x10, 0x00, 0x08, // PCERR Object Header
+                0x00, 0x00, 0x01, 0x03, 0x01, 0x10, 0x00, 0x18, // OPEN object header
+                0x20, 0x05, 0x1E, 0x01, // OPEN object
+                0x00, 0x10, 0x00, 0x04, // STATEFUL-PCE-CAPABILITY
+                0x00, 0x00, 0x00, 0x05, 0x00, 0x0E, 0x00, 0x04, // GMPLS-CAPABILITY-TLV
+                0x00, 0x00, 0x00, 0x00 };
+
+        ChannelBuffer buffer = ChannelBuffers.dynamicBuffer();
+        buffer.writeBytes(errorMsg);
+
+        PcepMessageReader<PcepMessage> reader = PcepFactories.getGenericReader();
+        PcepMessage message = null;
+        try {
+            message = reader.readFrom(buffer);
+        } catch (PcepParseException e) {
+            e.printStackTrace();
+        }
+
+        byte[] testErrorMsg = {0};
+        ChannelBuffer buf = ChannelBuffers.dynamicBuffer();
+        if (message instanceof PcepErrorMsg) {
+            message.writeTo(buf);
+            int iReadLen = buf.writerIndex() - 0;
+            testErrorMsg = new byte[iReadLen];
+            buf.readBytes(testErrorMsg, 0, iReadLen);
+
+            if (Arrays.equals(errorMsg, testErrorMsg)) {
+                Assert.assertArrayEquals(errorMsg, testErrorMsg);
+                log.debug("Pcep Error Msg are Equal ");
+            } else {
+                Assert.fail("test case failed");
+                log.debug("not equal");
+            }
+        } else {
+            Assert.fail("test case failed");
+            log.debug("not equal");
+        }
+    }
+
+    @Test
+    public void errorMessageTest5() throws PcepParseException {
+
+        //PCEP-ERROR Object, PCEP-ERROR Object, OPEN Object (STATEFUL-PCE-CAPABILITY)
+        byte[] errorMsg = new byte[] {0x20, 0x06, 0x00, 0x24, // common header
+                0x0D, 0x10, 0x00, 0x08, // PCERR Object Header
+                0x00, 0x00, 0x01, 0x01, 0x0D, 0x10, 0x00, 0x08, // PCERR Object Header
+                0x00, 0x00, 0x01, 0x03, 0x01, 0x10, 0x00, 0x10, // OPEN object header
+                0x20, 0x05, 0x1E, 0x01, // OPEN object
+                0x00, 0x10, 0x00, 0x04, // STATEFUL-PCE-CAPABILITY
+                0x00, 0x00, 0x00, 0x05 };
+
+        ChannelBuffer buffer = ChannelBuffers.dynamicBuffer();
+        buffer.writeBytes(errorMsg);
+
+        PcepMessageReader<PcepMessage> reader = PcepFactories.getGenericReader();
+        PcepMessage message = null;
+        try {
+            message = reader.readFrom(buffer);
+        } catch (PcepParseException e) {
+            e.printStackTrace();
+        }
+
+        byte[] testErrorMsg = {0};
+        ChannelBuffer buf = ChannelBuffers.dynamicBuffer();
+        if (message instanceof PcepErrorMsg) {
+            message.writeTo(buf);
+            int iReadLen = buf.writerIndex() - 0;
+            testErrorMsg = new byte[iReadLen];
+            buf.readBytes(testErrorMsg, 0, iReadLen);
+
+            if (Arrays.equals(errorMsg, testErrorMsg)) {
+                Assert.assertArrayEquals(errorMsg, testErrorMsg);
+                log.debug("Pcep Error Msg are Equal ");
+            } else {
+                Assert.fail("test case failed");
+                log.debug("not equal");
+            }
+        } else {
+            Assert.fail("test case failed");
+            log.debug("not equal");
+        }
+    }
+
+    @Test
+    public void errorMessageTest6() throws PcepParseException {
+
+        //PCEP-ERROR Object, PCEP-ERROR Object, OPEN Object
+        byte[] errorMsg = new byte[] {0x20, 0x06, 0x00, 0x1C, // common header
+                0x0D, 0x10, 0x00, 0x08, // PCERR Object Header
+                0x00, 0x00, 0x01, 0x01, 0x0D, 0x10, 0x00, 0x08, // PCERR Object Header
+                0x00, 0x00, 0x01, 0x03, 0x01, 0x10, 0x00, 0x08, // OPEN object header
+                0x20, 0x05, 0x1E, 0x01 // OPEN object
+        };
+
+        ChannelBuffer buffer = ChannelBuffers.dynamicBuffer();
+        buffer.writeBytes(errorMsg);
+
+        PcepMessageReader<PcepMessage> reader = PcepFactories.getGenericReader();
+        PcepMessage message = null;
+        try {
+            message = reader.readFrom(buffer);
+        } catch (PcepParseException e) {
+            e.printStackTrace();
+        }
+
+        byte[] testErrorMsg = {0};
+        ChannelBuffer buf = ChannelBuffers.dynamicBuffer();
+        if (message instanceof PcepErrorMsg) {
+            message.writeTo(buf);
+            int iReadLen = buf.writerIndex() - 0;
+            testErrorMsg = new byte[iReadLen];
+            buf.readBytes(testErrorMsg, 0, iReadLen);
+
+            if (Arrays.equals(errorMsg, testErrorMsg)) {
+                Assert.assertArrayEquals(errorMsg, testErrorMsg);
+                log.debug("Pcep Error Msg are Equal ");
+            } else {
+                Assert.fail("test case failed");
+                log.debug("not equal");
+            }
+        } else {
+            Assert.fail("test case failed");
+            log.debug("not equal");
+        }
+    }
+
+    @Test
+    public void errorMessageTest7() throws PcepParseException {
+
+        //PCEP-ERROR Object, OPEN Object
+        byte[] errorMsg = new byte[] {0x20, 0x06, 0x00, 0x14, // common header
+                0x0D, 0x10, 0x00, 0x08, // PCERR Object Header
+                0x00, 0x00, 0x01, 0x01, 0x01, 0x10, 0x00, 0x08, // OPEN object header
+                0x20, 0x05, 0x1E, 0x01 // OPEN object
+        };
+
+        ChannelBuffer buffer = ChannelBuffers.dynamicBuffer();
+        buffer.writeBytes(errorMsg);
+
+        PcepMessageReader<PcepMessage> reader = PcepFactories.getGenericReader();
+        PcepMessage message = null;
+        try {
+            message = reader.readFrom(buffer);
+        } catch (PcepParseException e) {
+            e.printStackTrace();
+        }
+
+        byte[] testErrorMsg = {0};
+        ChannelBuffer buf = ChannelBuffers.dynamicBuffer();
+        if (message instanceof PcepErrorMsg) {
+            message.writeTo(buf);
+            int iReadLen = buf.writerIndex() - 0;
+            testErrorMsg = new byte[iReadLen];
+            buf.readBytes(testErrorMsg, 0, iReadLen);
+
+            if (Arrays.equals(errorMsg, testErrorMsg)) {
+                Assert.assertArrayEquals(errorMsg, testErrorMsg);
+                log.debug("Pcep Error Msg are Equal ");
+            } else {
+                Assert.fail("test case failed");
+                log.debug("not equal");
+            }
+        } else {
+            Assert.fail("test case failed");
+            log.debug("not equal");
+        }
+    }
+
+    @Test
+    public void errorMessageTest8() throws PcepParseException {
+
+        //PCEP-ERROR Object, RP Object, PCEP-ERROR Object
+        byte[] errorMsg = new byte[] {0x20, 0x06, 0x00, 0x20, // common header
+                0x0D, 0x10, 0x00, 0x08, // PCERR Object Header
+                0x00, 0x00, 0x01, 0x01,
+                0x02, 0x10, 0x00, 0x0C, // RP Object Header
+                0x00, 0x00, 0x00, 0x00,
+                0x00, 0x00, 0x00, 0x03,
+                0x0D, 0x10, 0x00, 0x08, // PCERR Object Header
+                0x00, 0x00, 0x01, 0x03};
+
+        ChannelBuffer buffer = ChannelBuffers.dynamicBuffer();
+        buffer.writeBytes(errorMsg);
+
+        PcepMessageReader<PcepMessage> reader = PcepFactories.getGenericReader();
+        PcepMessage message = null;
+        try {
+            message = reader.readFrom(buffer);
+        } catch (PcepParseException e) {
+            e.printStackTrace();
+        }
+
+        byte[] testErrorMsg = {0};
+        ChannelBuffer buf = ChannelBuffers.dynamicBuffer();
+        if (message instanceof PcepErrorMsg) {
+            message.writeTo(buf);
+            int iReadLen = buf.writerIndex() - 0;
+            testErrorMsg = new byte[iReadLen];
+            buf.readBytes(testErrorMsg, 0, iReadLen);
+
+            if (Arrays.equals(errorMsg, testErrorMsg)) {
+                Assert.assertArrayEquals(errorMsg, testErrorMsg);
+                log.debug("Pcep Error Msg are Equal ");
+            } else {
+                Assert.fail("test case failed");
+                log.debug("not equal");
+            }
+        } else {
+            Assert.fail("test case failed");
+            log.debug("not equal");
+        }
+    }
+
+    @Test
+    public void errorMessageTest9() throws PcepParseException {
+
+        //PCEP-ERROR Object, PCEP-ERROR Object
+        byte[] errorMsg = new byte[] {0x20, 0x06, 0x00, 0x14, // common header
+                0x0D, 0x10, 0x00, 0x08, // PCEP-ERROR Object Header
+                0x00, 0x00, 0x01, 0x01, 0x0D, 0x10, 0x00, 0x08, // PCEP-ERROR Object Header
+                0x00, 0x00, 0x01, 0x01 };
+
+        ChannelBuffer buffer = ChannelBuffers.dynamicBuffer();
+        buffer.writeBytes(errorMsg);
+
+        PcepMessageReader<PcepMessage> reader = PcepFactories.getGenericReader();
+        PcepMessage message = null;
+        try {
+            message = reader.readFrom(buffer);
+        } catch (PcepParseException e) {
+            e.printStackTrace();
+        }
+
+        byte[] testErrorMsg = {0};
+        ChannelBuffer buf = ChannelBuffers.dynamicBuffer();
+        if (message instanceof PcepErrorMsg) {
+            message.writeTo(buf);
+            int iReadLen = buf.writerIndex() - 0;
+            testErrorMsg = new byte[iReadLen];
+            buf.readBytes(testErrorMsg, 0, iReadLen);
+
+            if (Arrays.equals(errorMsg, testErrorMsg)) {
+                Assert.assertArrayEquals(errorMsg, testErrorMsg);
+                log.debug("Pcep Error Msg are Equal ");
+            } else {
+                Assert.fail("test case failed");
+                log.debug("not equal");
+            }
+        } else {
+            Assert.fail("test case failed");
+            log.debug("not equal");
+        }
+    }
+
+    @Test
+    public void errorMessageTest10() throws PcepParseException {
+
+        //PCEP-ERROR Object, PCEP-ERROR Object
+        byte[] errorMsg = new byte[] {0x20, 0x06, 0x00, 0x14, // common header
+                0x0D, 0x10, 0x00, 0x08, // PCEP-ERROR Object Header
+                0x00, 0x00, 0x01, 0x01, 0x0D, 0x10, 0x00, 0x08, // PCEP-ERROR Object Header
+                0x00, 0x00, 0x01, 0x01 };
+
+        ChannelBuffer buffer = ChannelBuffers.dynamicBuffer();
+        buffer.writeBytes(errorMsg);
+
+        PcepMessageReader<PcepMessage> reader = PcepFactories.getGenericReader();
+        PcepMessage message = null;
+        try {
+            message = reader.readFrom(buffer);
+        } catch (PcepParseException e) {
+            e.printStackTrace();
+        }
+
+        byte[] testErrorMsg = {0};
+        ChannelBuffer buf = ChannelBuffers.dynamicBuffer();
+        if (message instanceof PcepErrorMsg) {
+            message.writeTo(buf);
+            int iReadLen = buf.writerIndex() - 0;
+            testErrorMsg = new byte[iReadLen];
+            buf.readBytes(testErrorMsg, 0, iReadLen);
+
+            if (Arrays.equals(errorMsg, testErrorMsg)) {
+                Assert.assertArrayEquals(errorMsg, testErrorMsg);
+                log.debug("Pcep Error Msg are Equal ");
+            } else {
+                Assert.fail("test case failed");
+                log.debug("not equal");
+            }
+        } else {
+            Assert.fail("test case failed");
+            log.debug("not equal");
+        }
+    }
+
+    @Test
+    public void errorMessageTest11() throws PcepParseException {
+
+        //TE Object, PCEP-ERROR Object
+        byte[] errorMsg = new byte[] {0x20, 0x06, 0x00, 0x18, // common header
+                0x65, 0x13, 0x00, 0x0C, // TE Object Header
+                0x01, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00, 0x10, // TE-ID
+                0x0D, 0x10, 0x00, 0x08, // PCEP-ERROR Object Header
+                0x00, 0x00, 0x01, 0x01 };
+
+        ChannelBuffer buffer = ChannelBuffers.dynamicBuffer();
+        buffer.writeBytes(errorMsg);
+
+        PcepMessageReader<PcepMessage> reader = PcepFactories.getGenericReader();
+        PcepMessage message = null;
+        try {
+            message = reader.readFrom(buffer);
+        } catch (PcepParseException e) {
+            e.printStackTrace();
+        }
+
+        byte[] testErrorMsg = {0};
+        ChannelBuffer buf = ChannelBuffers.dynamicBuffer();
+        if (message instanceof PcepErrorMsg) {
+            message.writeTo(buf);
+            int iReadLen = buf.writerIndex() - 0;
+            testErrorMsg = new byte[iReadLen];
+            buf.readBytes(testErrorMsg, 0, iReadLen);
+
+            if (Arrays.equals(errorMsg, testErrorMsg)) {
+                Assert.assertArrayEquals(errorMsg, testErrorMsg);
+                log.debug("Pcep Error Msg are Equal ");
+            } else {
+                Assert.fail("test case failed");
+                log.debug("not equal");
+            }
+        } else {
+            Assert.fail("test case failed");
+            log.debug("not equal");
+        }
+    }
+
+    @Test
+    public void errorMessageTest12() throws PcepParseException {
+
+        //RP Object, PCEP-ERROR Object
+        byte[] errorMsg = new byte[] {0x20, 0x06, 0x00, 0x18, // common header
+                0x02, 0x10, 0x00, 0x0C, // RP Object Header
+                0x00, 0x00, 0x00, 0x00,
+                0x00, 0x00, 0x00, 0x03,
+                0x0D, 0x10, 0x00, 0x08, // PCEP-ERROR Object Header
+                0x00, 0x00, 0x01, 0x01};
+
+        ChannelBuffer buffer = ChannelBuffers.dynamicBuffer();
+        buffer.writeBytes(errorMsg);
+
+        PcepMessageReader<PcepMessage> reader = PcepFactories.getGenericReader();
+        PcepMessage message = null;
+        try {
+            message = reader.readFrom(buffer);
+        } catch (PcepParseException e) {
+            e.printStackTrace();
+        }
+
+        byte[] testErrorMsg = {0};
+        ChannelBuffer buf = ChannelBuffers.dynamicBuffer();
+        if (message instanceof PcepErrorMsg) {
+            message.writeTo(buf);
+            int iReadLen = buf.writerIndex() - 0;
+            testErrorMsg = new byte[iReadLen];
+            buf.readBytes(testErrorMsg, 0, iReadLen);
+
+            if (Arrays.equals(errorMsg, testErrorMsg)) {
+                Assert.assertArrayEquals(errorMsg, testErrorMsg);
+                log.debug("Pcep Error Msg are Equal ");
+            } else {
+                Assert.fail("test case failed");
+                log.debug("not equal");
+            }
+        } else {
+            Assert.fail("test case failed");
+            log.debug("not equal");
+        }
+    }
+
+    @Test
+    public void errorMessageTest13() throws PcepParseException {
+
+        //RP Object, RP Object, PCEP-ERROR Object
+        byte[] errorMsg = new byte[] {0x20, 0x06, 0x00, 0x24, // common header
+                0x02, 0x10, 0x00, 0x0C, // RP Object Header
+                0x00, 0x00, 0x00, 0x00,
+                0x00, 0x00, 0x00, 0x03,
+                0x02, 0x10, 0x00, 0x0C, // RP Object Header
+                0x00, 0x00, 0x00, 0x00,
+                0x00, 0x00, 0x00, 0x04,
+                0x0D, 0x10, 0x00, 0x08, // PCEP-ERROR Object Header
+                0x00, 0x00, 0x01, 0x01};
+
+        ChannelBuffer buffer = ChannelBuffers.dynamicBuffer();
+        buffer.writeBytes(errorMsg);
+
+        PcepMessageReader<PcepMessage> reader = PcepFactories.getGenericReader();
+        PcepMessage message = null;
+        try {
+            message = reader.readFrom(buffer);
+        } catch (PcepParseException e) {
+            e.printStackTrace();
+        }
+
+        byte[] testErrorMsg = {0};
+        ChannelBuffer buf = ChannelBuffers.dynamicBuffer();
+        if (message instanceof PcepErrorMsg) {
+            message.writeTo(buf);
+            int iReadLen = buf.writerIndex() - 0;
+            testErrorMsg = new byte[iReadLen];
+            buf.readBytes(testErrorMsg, 0, iReadLen);
+
+            if (Arrays.equals(errorMsg, testErrorMsg)) {
+                Assert.assertArrayEquals(errorMsg, testErrorMsg);
+                log.debug("Pcep Error Msg are Equal ");
+            } else {
+                Assert.fail("test case failed");
+                log.debug("not equal");
+            }
+        } else {
+            Assert.fail("test case failed");
+            log.debug("not equal");
+        }
+    }
+
+    @Test
+    public void errorMessageTest14() throws PcepParseException {
+
+        //TE Object, TE Object, PCEP-ERROR Object
+        byte[] errorMsg = new byte[] {0x20, 0x06, 0x00, 0x24, // common header
+                0x65, 0x10, 0x00, 0x0C, // TE Object Header
+                0x01, 0x00, 0x00, 0x03,
+                0x00, 0x00, 0x00, 0x10, // TE-ID
+                0x65, 0x10, 0x00, 0x0C, // TE Object Header
+                0x01, 0x00, 0x00, 0x03,
+                0x00, 0x00, 0x00, 0x11, // TE-ID
+                0x0D, 0x10, 0x00, 0x08, // PCEP-ERROR Object Header
+                0x00, 0x00, 0x01, 0x01};
+
+        ChannelBuffer buffer = ChannelBuffers.dynamicBuffer();
+        buffer.writeBytes(errorMsg);
+
+        PcepMessageReader<PcepMessage> reader = PcepFactories.getGenericReader();
+        PcepMessage message = null;
+        try {
+            message = reader.readFrom(buffer);
+        } catch (PcepParseException e) {
+            e.printStackTrace();
+        }
+
+        byte[] testErrorMsg = {0};
+        ChannelBuffer buf = ChannelBuffers.dynamicBuffer();
+        if (message instanceof PcepErrorMsg) {
+            message.writeTo(buf);
+            int iReadLen = buf.writerIndex() - 0;
+            testErrorMsg = new byte[iReadLen];
+            buf.readBytes(testErrorMsg, 0, iReadLen);
+
+            if (Arrays.equals(errorMsg, testErrorMsg)) {
+                Assert.assertArrayEquals(errorMsg, testErrorMsg);
+                log.debug("Pcep Error Msg are Equal ");
+            } else {
+                Assert.fail("test case failed");
+                log.debug("not equal");
+            }
+        } else {
+            Assert.fail("test case failed");
+            log.debug("not equal");
+        }
+    }
+
+    @Test
+    public void errorMessageTest15() throws PcepParseException {
+
+        //PCEP-ERROR Object, TE Object, PCEP-ERROR Object
+        byte[] errorMsg = new byte[] {0x20, 0x06, 0x00, 0x20, // common header
+                0x0D, 0x10, 0x00, 0x08, // PCERR Object Header
+                0x00, 0x00, 0x01, 0x01,
+                0x65, 0x10, 0x00, 0x0C, // TE Object Header
+                0x01, 0x00, 0x00, 0x03,
+                0x00, 0x00, 0x00, 0x10, // TE-ID
+                0x0D, 0x10, 0x00, 0x08, // PCEP-ERROR Object Header
+                0x00, 0x00, 0x01, 0x03};
+
+        ChannelBuffer buffer = ChannelBuffers.dynamicBuffer();
+        buffer.writeBytes(errorMsg);
+
+        PcepMessageReader<PcepMessage> reader = PcepFactories.getGenericReader();
+        PcepMessage message = null;
+        try {
+            message = reader.readFrom(buffer);
+        } catch (PcepParseException e) {
+            e.printStackTrace();
+        }
+
+        byte[] testErrorMsg = {0};
+        ChannelBuffer buf = ChannelBuffers.dynamicBuffer();
+        if (message instanceof PcepErrorMsg) {
+            message.writeTo(buf);
+            int iReadLen = buf.writerIndex() - 0;
+            testErrorMsg = new byte[iReadLen];
+            buf.readBytes(testErrorMsg, 0, iReadLen);
+
+            if (Arrays.equals(errorMsg, testErrorMsg)) {
+                Assert.assertArrayEquals(errorMsg, testErrorMsg);
+                log.debug("Pcep Error Msg are Equal ");
+            } else {
+                Assert.fail("test case failed");
+                log.debug("not equal");
+            }
+        } else {
+            Assert.fail("test case failed");
+            log.debug("not equal");
+        }
+    }
+
+    @Test
+    public void errorMessageTest16() throws PcepParseException {
+
+        //PCEP-ERROR Object, RP Object, RP Object, PCEP-ERROR Object
+        byte[] errorMsg = new byte[] {0x20, 0x06, 0x00, 0x2C, // common header
+                0x0D, 0x10, 0x00, 0x08, // PCEP-ERROR Object Header
+                0x00, 0x00, 0x01, 0x01,
+                0x02, 0x10, 0x00, 0x0C, // RP Object Header
+                0x00, 0x00, 0x00, 0x00,
+                0x00, 0x00, 0x00, 0x03,
+                0x02, 0x10, 0x00, 0x0C, // RP Object Header
+                0x00, 0x00, 0x00, 0x00,
+                0x00, 0x00, 0x00, 0x04,
+                0x0D, 0x10, 0x00, 0x08, // PCERR Object Header
+                0x00, 0x00, 0x01, 0x03};
+
+        ChannelBuffer buffer = ChannelBuffers.dynamicBuffer();
+        buffer.writeBytes(errorMsg);
+
+        PcepMessageReader<PcepMessage> reader = PcepFactories.getGenericReader();
+        PcepMessage message = null;
+        try {
+            message = reader.readFrom(buffer);
+        } catch (PcepParseException e) {
+            e.printStackTrace();
+        }
+
+        byte[] testErrorMsg = {0};
+        ChannelBuffer buf = ChannelBuffers.dynamicBuffer();
+        if (message instanceof PcepErrorMsg) {
+            message.writeTo(buf);
+            int iReadLen = buf.writerIndex() - 0;
+            testErrorMsg = new byte[iReadLen];
+            buf.readBytes(testErrorMsg, 0, iReadLen);
+
+            if (Arrays.equals(errorMsg, testErrorMsg)) {
+                Assert.assertArrayEquals(errorMsg, testErrorMsg);
+                log.debug("Pcep Error Msg are Equal ");
+            } else {
+                Assert.fail("test case failed");
+                log.debug("not equal");
+            }
+        } else {
+            Assert.fail("test case failed");
+            log.debug("not equal");
+        }
+    }
+
+    @Test
+    public void errorMessageTest17() throws PcepParseException {
+
+        //PCEP-ERROR Object, TE Object, TE Object, PCEP-ERROR Object
+        byte[] errorMsg = new byte[] {0x20, 0x06, 0x00, 0x2C, // common header
+                0x0D, 0x10, 0x00, 0x08, // PCEP-ERROR Object Header
+                0x00, 0x00, 0x01, 0x01,
+                0x65, 0x10, 0x00, 0x0C, // TE Object Header
+                0x01, 0x00, 0x00, 0x03,
+                0x00, 0x00, 0x00, 0x10, // TE-ID
+                0x65, 0x10, 0x00, 0x0C, // TE Object Header
+                0x01, 0x00, 0x00, 0x03,
+                0x00, 0x00, 0x00, 0x11, // TE-ID
+                0x0D, 0x10, 0x00, 0x08, // PCEP-ERROR Object Header
+                0x00, 0x00, 0x01, 0x03};
+
+        ChannelBuffer buffer = ChannelBuffers.dynamicBuffer();
+        buffer.writeBytes(errorMsg);
+
+        PcepMessageReader<PcepMessage> reader = PcepFactories.getGenericReader();
+        PcepMessage message = null;
+        try {
+            message = reader.readFrom(buffer);
+        } catch (PcepParseException e) {
+            e.printStackTrace();
+        }
+
+        byte[] testErrorMsg = {0};
+        ChannelBuffer buf = ChannelBuffers.dynamicBuffer();
+        if (message instanceof PcepErrorMsg) {
+            message.writeTo(buf);
+            int iReadLen = buf.writerIndex() - 0;
+            testErrorMsg = new byte[iReadLen];
+            buf.readBytes(testErrorMsg, 0, iReadLen);
+
+            if (Arrays.equals(errorMsg, testErrorMsg)) {
+                Assert.assertArrayEquals(errorMsg, testErrorMsg);
+                log.debug("Pcep Error Msg are Equal ");
+            } else {
+                Assert.fail("test case failed");
+                log.debug("not equal");
+            }
+        } else {
+            Assert.fail("test case failed");
+            log.debug("not equal");
+        }
+    }
+
+    @Test
+    public void errorMessageTest18() throws PcepParseException {
+
+        //PCEP-ERROR Object, PCEP-ERROR Object, RP Object, RP Object, PCEP-ERROR Object, PCEP-ERROR Object
+        byte[] errorMsg = new byte[] {0x20, 0x06, 0x00, 0x3C, // common header
+                0x0D, 0x10, 0x00, 0x08, // PCEP-ERROR Object Header
+                0x00, 0x00, 0x01, 0x01,
+                0x0D, 0x10, 0x00, 0x08, // PCEP-ERROR Object Header
+                0x00, 0x00, 0x01, 0x03,
+                0x02, 0x10, 0x00, 0x0C, // RP Object Header
+                0x00, 0x00, 0x00, 0x00,
+                0x00, 0x00, 0x00, 0x03,
+                0x02, 0x10, 0x00, 0x0C, // RP Object Header
+                0x00, 0x00, 0x00, 0x00,
+                0x00, 0x00, 0x00, 0x04,
+                0x0D, 0x10, 0x00, 0x08, // PCEP-ERROR Object Header
+                0x00, 0x00, 0x01, 0x04,
+                0x0D, 0x10, 0x00, 0x08, // PCEP-ERROR Object Header
+                0x00, 0x00, 0x01, 0x06};
+
+        ChannelBuffer buffer = ChannelBuffers.dynamicBuffer();
+        buffer.writeBytes(errorMsg);
+
+        PcepMessageReader<PcepMessage> reader = PcepFactories.getGenericReader();
+        PcepMessage message = null;
+        try {
+            message = reader.readFrom(buffer);
+        } catch (PcepParseException e) {
+            e.printStackTrace();
+        }
+
+        byte[] testErrorMsg = {0};
+        ChannelBuffer buf = ChannelBuffers.dynamicBuffer();
+        if (message instanceof PcepErrorMsg) {
+            message.writeTo(buf);
+            int iReadLen = buf.writerIndex() - 0;
+            testErrorMsg = new byte[iReadLen];
+            buf.readBytes(testErrorMsg, 0, iReadLen);
+
+            if (Arrays.equals(errorMsg, testErrorMsg)) {
+                Assert.assertArrayEquals(errorMsg, testErrorMsg);
+                log.debug("Pcep Error Msg are Equal ");
+            } else {
+                Assert.fail("test case failed");
+                log.debug("not equal");
+            }
+        } else {
+            Assert.fail("test case failed");
+            log.debug("not equal");
+        }
+    }
+
+    @Test
+    public void errorMessageTest19() throws PcepParseException {
+
+        //PCEP-ERROR Object, PCEP-ERROR Object, TE Object, TE Object, PCEP-ERROR Object, PCEP-ERROR Object
+        byte[] errorMsg = new byte[] {0x20, 0x06, 0x00, 0x3C, // common header
+                0x0D, 0x10, 0x00, 0x08, // PCERR Object Header
+                0x00, 0x00, 0x01, 0x01,
+                0x0D, 0x10, 0x00, 0x08, // PCERR Object Header
+                0x00, 0x00, 0x01, 0x03,
+                0x65, 0x10, 0x00, 0x0C, // TE Object Header
+                0x01, 0x00, 0x00, 0x03,
+                0x00, 0x00, 0x00, 0x10, // TE-ID
+                0x65, 0x10, 0x00, 0x0C, // TE Object Header
+                0x01, 0x00, 0x00, 0x03,
+                0x00, 0x00, 0x00, 0x11, // TE-ID
+                0x0D, 0x10, 0x00, 0x08, // PCERR Object Header
+                0x00, 0x00, 0x01, 0x04,
+                0x0D, 0x10, 0x00, 0x08, // PCERR Object Header
+                0x00, 0x00, 0x01, 0x06};
+
+        ChannelBuffer buffer = ChannelBuffers.dynamicBuffer();
+        buffer.writeBytes(errorMsg);
+
+        PcepMessageReader<PcepMessage> reader = PcepFactories.getGenericReader();
+        PcepMessage message = null;
+        try {
+            message = reader.readFrom(buffer);
+        } catch (PcepParseException e) {
+            e.printStackTrace();
+        }
+
+        byte[] testErrorMsg = {0};
+        ChannelBuffer buf = ChannelBuffers.dynamicBuffer();
+        if (message instanceof PcepErrorMsg) {
+            message.writeTo(buf);
+            int iReadLen = buf.writerIndex() - 0;
+            testErrorMsg = new byte[iReadLen];
+            buf.readBytes(testErrorMsg, 0, iReadLen);
+
+            if (Arrays.equals(errorMsg, testErrorMsg)) {
+                Assert.assertArrayEquals(errorMsg, testErrorMsg);
+                log.debug("Pcep Error Msg are Equal ");
+            } else {
+                Assert.fail("test case failed");
+                log.debug("not equal");
+            }
+        } else {
+            Assert.fail("test case failed");
+            log.debug("not equal");
+        }
+    }
+
+    @Test
+    public void errorMessageTest20() throws PcepParseException {
+
+        /* PCEP-ERROR Object, RP Object, RP Object, PCEP-ERROR Object, PCEP-ERROR Object,
+         * TE Object, PCEP-ERROR Object
+         */
+        byte[] errorMsg = new byte[] {0x20, 0x06, 0x00, 0x48, // common header
+                0x0D, 0x10, 0x00, 0x08, // PCEP-ERROR Object Header
+                0x00, 0x00, 0x01, 0x01,
+                0x02, 0x10, 0x00, 0x0C, // RP Object Header
+                0x00, 0x00, 0x00, 0x00,
+                0x00, 0x00, 0x00, 0x03,
+                0x02, 0x10, 0x00, 0x0C, // RP Object Header
+                0x00, 0x00, 0x00, 0x00,
+                0x00, 0x00, 0x00, 0x04,
+                0x0D, 0x10, 0x00, 0x08, // PCERR Object Header
+                0x00, 0x00, 0x01, 0x04,
+                0x0D, 0x10, 0x00, 0x08, // PCERR Object Header
+                0x00, 0x00, 0x01, 0x06,
+                0x65, 0x10, 0x00, 0x0C, // TE Object Header
+                0x01, 0x00, 0x00, 0x03,
+                0x00, 0x00, 0x00, 0x10, // TE-ID
+                0x0D, 0x10, 0x00, 0x08, // PCERR Object Header
+                0x00, 0x00, 0x01, 0x06};
+
+        ChannelBuffer buffer = ChannelBuffers.dynamicBuffer();
+        buffer.writeBytes(errorMsg);
+
+        PcepMessageReader<PcepMessage> reader = PcepFactories.getGenericReader();
+        PcepMessage message = null;
+        try {
+            message = reader.readFrom(buffer);
+        } catch (PcepParseException e) {
+            e.printStackTrace();
+        }
+
+        byte[] testErrorMsg = {0};
+        ChannelBuffer buf = ChannelBuffers.dynamicBuffer();
+        if (message instanceof PcepErrorMsg) {
+            message.writeTo(buf);
+            int iReadLen = buf.writerIndex() - 0;
+            testErrorMsg = new byte[iReadLen];
+            buf.readBytes(testErrorMsg, 0, iReadLen);
+
+            if (Arrays.equals(errorMsg, testErrorMsg)) {
+                Assert.assertArrayEquals(errorMsg, testErrorMsg);
+                log.debug("Pcep Error Msg are Equal ");
+            } else {
+                Assert.fail("test case failed");
+                log.debug("not equal");
+            }
+        } else {
+            Assert.fail("test case failed");
+            log.debug("not equal");
+        }
+    }
+}
diff --git a/pcep/pcepio/src/test/java/org/onosproject/pcepio/PcepOpenMsgTest.java b/pcep/pcepio/src/test/java/org/onosproject/pcepio/PcepOpenMsgTest.java
new file mode 100644
index 0000000..fbe8d08
--- /dev/null
+++ b/pcep/pcepio/src/test/java/org/onosproject/pcepio/PcepOpenMsgTest.java
@@ -0,0 +1,720 @@
+/*
+ * Copyright 2014-2015 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.pcepio;
+
+import java.util.Arrays;
+
+import org.jboss.netty.buffer.ChannelBuffer;
+import org.jboss.netty.buffer.ChannelBuffers;
+import org.junit.After;
+import org.junit.Assert;
+import org.junit.Before;
+import org.junit.Test;
+import org.onosproject.pcepio.exceptions.PcepParseException;
+import org.onosproject.pcepio.protocol.PcepFactories;
+import org.onosproject.pcepio.protocol.PcepMessage;
+import org.onosproject.pcepio.protocol.PcepMessageReader;
+import org.onosproject.pcepio.protocol.PcepOpenMsg;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * Test cases for PCEP OPEN Message.
+ */
+public class PcepOpenMsgTest {
+
+    protected static final Logger log = LoggerFactory.getLogger(PcepOpenMsgTest.class);
+
+    @Before
+    public void startUp() {
+    }
+
+    @After
+    public void tearDown() {
+
+    }
+
+    @Test
+    public void openMessageTest1() throws PcepParseException {
+
+        // OPEN OBJECT (STATEFUL-PCE-CAPABILITY, GMPLS-CAPABILITY-TLV, PCECC-CAPABILITY-TLV, )
+        byte[] openMsg = new byte[] {0x20, 0x01, 0x00, 0x24, 0x01, 0x10, 0x00, 0x20, 0x20, 0x1e, 0x78, (byte) 0xbd,
+                0x00, 0x10, 0x00, 0x04, 0x00, 0x00, 0x00, 0x0f, //STATEFUL-PCE-CAPABILITY
+                0x00, 0x0e, 0x00, 0x04, 0x00, 0x00, 0x00, 0x00, //GMPLS-CAPABILITY-TLV
+                0x00, 0x20, 0x00, 0x04, 0x00, 0x00, 0x00, 0x07, //PCECC-CAPABILITY-TLV
+        };
+
+        byte[] testOpenMsg = {0};
+        ChannelBuffer buffer = ChannelBuffers.dynamicBuffer();
+        buffer.writeBytes(openMsg);
+
+        PcepMessageReader<PcepMessage> reader = PcepFactories.getGenericReader();
+        PcepMessage message = null;
+        try {
+            message = reader.readFrom(buffer);
+        } catch (PcepParseException e) {
+            e.printStackTrace();
+        }
+
+        if (message instanceof PcepOpenMsg) {
+            ChannelBuffer buf = ChannelBuffers.dynamicBuffer();
+            message.writeTo(buf);
+            testOpenMsg = buf.array();
+
+            int iReadLen = buf.writerIndex() - 0;
+            testOpenMsg = new byte[iReadLen];
+            buf.readBytes(testOpenMsg, 0, iReadLen);
+
+            if (Arrays.equals(openMsg, testOpenMsg)) {
+                Assert.assertArrayEquals(openMsg, testOpenMsg);
+                log.debug("openMsg are equal :" + openMsg);
+            } else {
+                Assert.fail("test case failed");
+                log.debug("not equal");
+            }
+        } else {
+            Assert.fail("test case failed");
+            log.debug("not equal");
+        }
+    }
+
+    @Test
+    public void openMessageTest2() throws PcepParseException {
+
+        // OPEN OBJECT (STATEFUL-PCE-CAPABILITY).
+        byte[] openMsg = new byte[] {0x20, 0x01, 0x00, 0x14, // common header
+                0x01, 0x10, 0x00, 0x10, // common object header
+                0x20, 0x1E, 0x78, 0x01, // OPEN object
+                0x00, 0x10, 0x00, 0x04, 0x00, 0x00, 0x00, 0x0f}; // STATEFUL-PCE-CAPABILITY
+        byte[] testOpenMsg = {0};
+        ChannelBuffer buffer = ChannelBuffers.dynamicBuffer();
+        buffer.writeBytes(openMsg);
+
+        PcepMessageReader<PcepMessage> reader = PcepFactories.getGenericReader();
+        PcepMessage message = null;
+        try {
+            message = reader.readFrom(buffer);
+        } catch (PcepParseException e) {
+            e.printStackTrace();
+        }
+
+        if (message instanceof PcepOpenMsg) {
+            ChannelBuffer buf = ChannelBuffers.dynamicBuffer();
+            message.writeTo(buf);
+            testOpenMsg = buf.array();
+
+            int iReadLen = buf.writerIndex() - 0;
+            testOpenMsg = new byte[iReadLen];
+            buf.readBytes(testOpenMsg, 0, iReadLen);
+
+            if (Arrays.equals(openMsg, testOpenMsg)) {
+                Assert.assertArrayEquals(openMsg, testOpenMsg);
+                log.debug("openMsg are equal :" + openMsg);
+            } else {
+                Assert.fail("test case failed");
+                log.debug("not equal");
+            }
+        } else {
+            Assert.fail("test case failed");
+            log.debug("not equal");
+        }
+    }
+
+    @Test
+    public void openMessageTest3() throws PcepParseException {
+
+        // OPEN OBJECT (GmplsCapability).
+        byte[] openMsg = new byte[] {0x20, 0x01, 0x00, 0x14, // common header
+                0x01, 0x10, 0x00, 0x10, // common object header
+                0x20, 0x1E, 0x78, 0x01, // OPEN object
+                0x00, 0x0e, 0x00, 0x04, 0x00, 0x00, 0x00, 0x00}; //GMPLS-CAPABILITY-TLV
+
+        byte[] testOpenMsg = {0};
+        ChannelBuffer buffer = ChannelBuffers.dynamicBuffer();
+        buffer.writeBytes(openMsg);
+
+        PcepMessageReader<PcepMessage> reader = PcepFactories.getGenericReader();
+        PcepMessage message = null;
+        try {
+            message = reader.readFrom(buffer);
+        } catch (PcepParseException e) {
+            e.printStackTrace();
+        }
+
+        if (message instanceof PcepOpenMsg) {
+            ChannelBuffer buf = ChannelBuffers.dynamicBuffer();
+            message.writeTo(buf);
+            testOpenMsg = buf.array();
+
+            int iReadLen = buf.writerIndex() - 0;
+            testOpenMsg = new byte[iReadLen];
+            buf.readBytes(testOpenMsg, 0, iReadLen);
+
+            if (Arrays.equals(openMsg, testOpenMsg)) {
+                Assert.assertArrayEquals(openMsg, testOpenMsg);
+                log.debug("openMsg are equal :" + openMsg);
+            } else {
+                Assert.fail("test case failed");
+                log.debug("not equal");
+            }
+        } else {
+            Assert.fail("test case failed");
+            log.debug("not equal");
+        }
+    }
+
+    @Test
+    public void openMessageTest4() throws PcepParseException {
+
+        // OPEN OBJECT (StatefulLspDbVerTlv).
+        byte[] openMsg = new byte[] {0x20, 0x01, 0x00, 0x18,
+                0x01, 0x10, 0x00, 0x14, 0x20, 0x1e, 0x78, 0x20,
+                0x00, 0x17, 0x00, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02 }; //StatefulLspDbVerTlv
+
+        byte[] testOpenMsg = {0};
+        ChannelBuffer buffer = ChannelBuffers.dynamicBuffer();
+        buffer.writeBytes(openMsg);
+
+        PcepMessageReader<PcepMessage> reader = PcepFactories.getGenericReader();
+        PcepMessage message = null;
+        try {
+            message = reader.readFrom(buffer);
+        } catch (PcepParseException e) {
+            e.printStackTrace();
+        }
+
+        if (message instanceof PcepOpenMsg) {
+            ChannelBuffer buf = ChannelBuffers.dynamicBuffer();
+            message.writeTo(buf);
+            testOpenMsg = buf.array();
+
+            int iReadLen = buf.writerIndex() - 0;
+            testOpenMsg = new byte[iReadLen];
+            buf.readBytes(testOpenMsg, 0, iReadLen);
+
+            if (Arrays.equals(openMsg, testOpenMsg)) {
+                Assert.assertArrayEquals(openMsg, testOpenMsg);
+                log.debug("openMsg are equal :" + openMsg);
+            } else {
+                Assert.fail("test case failed");
+                log.debug("not equal");
+            }
+        } else {
+            Assert.fail("test case failed");
+            log.debug("not equal");
+        }
+    }
+
+    @Test
+    public void openMessageTest5() throws PcepParseException {
+
+        // OPEN OBJECT (no Tlvs).
+        byte[] openMsg = new byte[] {0x20, 0x01, 0x00, 0x0C,
+                0x01, 0x10, 0x00, 0x08, 0x20, 0x1e, 0x78, (byte) 0xbd }; // no Tlvs in open messsage
+
+        byte[] testOpenMsg = {0};
+        ChannelBuffer buffer = ChannelBuffers.dynamicBuffer();
+        buffer.writeBytes(openMsg);
+
+        PcepMessageReader<PcepMessage> reader = PcepFactories.getGenericReader();
+        PcepMessage message = null;
+        try {
+            message = reader.readFrom(buffer);
+        } catch (PcepParseException e) {
+            e.printStackTrace();
+        }
+
+        if (message instanceof PcepOpenMsg) {
+            ChannelBuffer buf = ChannelBuffers.dynamicBuffer();
+            message.writeTo(buf);
+            testOpenMsg = buf.array();
+
+            int iReadLen = buf.writerIndex() - 0;
+            testOpenMsg = new byte[iReadLen];
+            buf.readBytes(testOpenMsg, 0, iReadLen);
+
+            if (Arrays.equals(openMsg, testOpenMsg)) {
+                Assert.assertArrayEquals(openMsg, testOpenMsg);
+                log.debug("openMsg are equal :" + openMsg);
+            } else {
+                Assert.fail("test case failed");
+                log.debug("not equal");
+            }
+        } else {
+            Assert.fail("test case failed");
+            log.debug("not equal");
+        }
+    }
+
+    @Test
+    public void openMessageTest6() throws PcepParseException {
+
+        /* OPEN OBJECT (STATEFUL-PCE-CAPABILITY, GMPLS-CAPABILITY-TLV, PCECC-CAPABILITY-TLV) with
+        p bit not set & i bit set.
+         */
+        byte[] openMsg = new byte[] {0x20, 0x01, 0x00, 0x24, 0x01, 0x11, 0x00, 0x20, //p bit not set & i bit set
+                0x20, 0x1e, 0x78, (byte) 0xbd,
+                0x00, 0x10, 0x00, 0x04, 0x00, 0x00, 0x00, 0x0f, // STATEFUL-PCE-CAPABILITY
+                0x00, 0x0e, 0x00, 0x04, 0x00, 0x00, 0x00, 0x00, //GMPLS-CAPABILITY-TLV
+                0x00, 0x20, 0x00, 0x04, 0x00, 0x00, 0x00, 0x07, //PCECC-CAPABILITY-TLV
+        };
+
+        byte[] testOpenMsg = {0};
+        ChannelBuffer buffer = ChannelBuffers.dynamicBuffer();
+        buffer.writeBytes(openMsg);
+
+        PcepMessageReader<PcepMessage> reader = PcepFactories.getGenericReader();
+        PcepMessage message = null;
+        try {
+            message = reader.readFrom(buffer);
+        } catch (PcepParseException e) {
+            e.printStackTrace();
+        }
+
+        if (message instanceof PcepOpenMsg) {
+            ChannelBuffer buf = ChannelBuffers.dynamicBuffer();
+            message.writeTo(buf);
+            testOpenMsg = buf.array();
+
+            int iReadLen = buf.writerIndex() - 0;
+            testOpenMsg = new byte[iReadLen];
+            buf.readBytes(testOpenMsg, 0, iReadLen);
+
+            if (Arrays.equals(openMsg, testOpenMsg)) {
+                Assert.assertArrayEquals(openMsg, testOpenMsg);
+                log.debug("openMsg are equal :" + openMsg);
+            } else {
+                Assert.fail("test case failed");
+                log.debug("not equal");
+            }
+        } else {
+            Assert.fail("test case failed");
+            log.debug("not equal");
+        }
+    }
+
+    @Test
+    public void openMessageTest7() throws PcepParseException {
+
+        /* OPEN OBJECT (STATEFUL-PCE-CAPABILITY, GMPLS-CAPABILITY-TLV, PCECC-CAPABILITY-TLV)
+        with p bit set & i bit not set.
+         */
+        byte[] openMsg = new byte[] {0x20, 0x01, 0x00, 0x24, 0x01, 0x12, 0x00, 0x20, //p bit set & i bit not set
+                0x20, 0x1e, 0x78, (byte) 0xbd,
+                0x00, 0x10, 0x00, 0x04, 0x00, 0x00, 0x00, 0x0f, //STATEFUL-PCE-CAPABILITY
+                0x00, 0x0e, 0x00, 0x04, 0x00, 0x00, 0x00, 0x00, //GMPLS-CAPABILITY-TLV
+                0x00, 0x20, 0x00, 0x04, 0x00, 0x00, 0x00, 0x07, //PCECC-CAPABILITY-TLV
+        };
+
+        byte[] testOpenMsg = {0};
+        ChannelBuffer buffer = ChannelBuffers.dynamicBuffer();
+        buffer.writeBytes(openMsg);
+
+        PcepMessageReader<PcepMessage> reader = PcepFactories.getGenericReader();
+        PcepMessage message = null;
+        try {
+            message = reader.readFrom(buffer);
+        } catch (PcepParseException e) {
+            e.printStackTrace();
+        }
+
+        if (message instanceof PcepOpenMsg) {
+            ChannelBuffer buf = ChannelBuffers.dynamicBuffer();
+            message.writeTo(buf);
+            testOpenMsg = buf.array();
+
+            int iReadLen = buf.writerIndex() - 0;
+            testOpenMsg = new byte[iReadLen];
+            buf.readBytes(testOpenMsg, 0, iReadLen);
+
+            if (Arrays.equals(openMsg, testOpenMsg)) {
+                Assert.assertArrayEquals(openMsg, testOpenMsg);
+                log.debug("openMsg are equal :" + openMsg);
+            } else {
+                Assert.fail("test case failed");
+                log.debug("not equal");
+            }
+        } else {
+            Assert.fail("test case failed");
+            log.debug("not equal");
+        }
+    }
+
+    @Test
+    public void openMessageTest8() throws PcepParseException {
+
+        /* OPEN OBJECT (STATEFUL-PCE-CAPABILITY, GMPLS-CAPABILITY-TLV, PCECC-CAPABILITY-TLV)
+        with p bit set & i bit set.
+         */
+        byte[] openMsg = new byte[] {0x20, 0x01, 0x00, 0x24, 0x01, 0x13, 0x00, 0x20, //p bit set & i bit set
+                0x20, 0x1e, 0x78, (byte) 0xbd,
+                0x00, 0x10, 0x00, 0x04, 0x00, 0x00, 0x00, 0x0f, //STATEFUL-PCE-CAPABILITY
+                0x00, 0x0e, 0x00, 0x04, 0x00, 0x00, 0x00, 0x00, //GMPLS-CAPABILITY-TLV
+                0x00, 0x20, 0x00, 0x04, 0x00, 0x00, 0x00, 0x07, //PCECC-CAPABILITY-TLV
+        };
+
+        byte[] testOpenMsg = {0};
+        ChannelBuffer buffer = ChannelBuffers.dynamicBuffer();
+        buffer.writeBytes(openMsg);
+
+        PcepMessageReader<PcepMessage> reader = PcepFactories.getGenericReader();
+        PcepMessage message = null;
+        try {
+            message = reader.readFrom(buffer);
+        } catch (PcepParseException e) {
+            e.printStackTrace();
+        }
+
+        if (message instanceof PcepOpenMsg) {
+            ChannelBuffer buf = ChannelBuffers.dynamicBuffer();
+            message.writeTo(buf);
+            testOpenMsg = buf.array();
+
+            int iReadLen = buf.writerIndex() - 0;
+            testOpenMsg = new byte[iReadLen];
+            buf.readBytes(testOpenMsg, 0, iReadLen);
+
+            if (Arrays.equals(openMsg, testOpenMsg)) {
+                Assert.assertArrayEquals(openMsg, testOpenMsg);
+                log.debug("openMsg are equal :" + openMsg);
+            } else {
+                Assert.fail("test case failed");
+                log.debug("not equal");
+            }
+        } else {
+            Assert.fail("test case failed");
+            log.debug("not equal");
+        }
+    }
+
+    @Test
+    public void openMessageTest9() throws PcepParseException {
+
+        /* OPEN OBJECT (STATEFUL-PCE-CAPABILITY, GMPLS-CAPABILITY-TLV, PCECC-CAPABILITY-TLV)
+        with p bit set & i bit set.
+         */
+        byte[] openMsg = new byte[] {0x20, 0x01, 0x00, 0x24, 0x01, 0x13, 0x00, 0x20, //p bit set & i bit set
+                0x20, 0x1e, 0x78, 0x00, //invalid sessionID
+                0x00, 0x10, 0x00, 0x04, 0x00, 0x00, 0x00, 0x0f, //STATEFUL-PCE-CAPABILITY
+                0x00, 0x0e, 0x00, 0x04, 0x00, 0x00, 0x00, 0x00, //GMPLS-CAPABILITY-TLV
+                0x00, 0x20, 0x00, 0x04, 0x00, 0x00, 0x00, 0x07, //PCECC-CAPABILITY-TLV
+        };
+
+        byte[] testOpenMsg = {0};
+        ChannelBuffer buffer = ChannelBuffers.dynamicBuffer();
+        buffer.writeBytes(openMsg);
+
+        PcepMessageReader<PcepMessage> reader = PcepFactories.getGenericReader();
+        PcepMessage message = null;
+        try {
+            message = reader.readFrom(buffer);
+        } catch (PcepParseException e) {
+            e.printStackTrace();
+        }
+
+        if (message instanceof PcepOpenMsg) {
+            ChannelBuffer buf = ChannelBuffers.dynamicBuffer();
+            message.writeTo(buf);
+            testOpenMsg = buf.array();
+
+            int iReadLen = buf.writerIndex() - 0;
+            testOpenMsg = new byte[iReadLen];
+            buf.readBytes(testOpenMsg, 0, iReadLen);
+
+            if (Arrays.equals(openMsg, testOpenMsg)) {
+                Assert.assertArrayEquals(openMsg, testOpenMsg);
+                log.debug("openMsg are equal :" + openMsg);
+            } else {
+                Assert.fail("test case failed");
+                log.debug("not equal");
+            }
+        } else {
+            Assert.fail("test case failed");
+            log.debug("not equal");
+        }
+    }
+
+    @Test
+    public void openMessageTest10() throws PcepParseException {
+
+        //OPEN OBJECT (STATEFUL-PCE-CAPABILITY, GMPLS-CAPABILITY-TLV).
+        byte[] openMsg = new byte[] {0x20, 0x01, 0x00, 0x1C, // common header
+                0x01, 0x10, 0x00, 0x18, // common object header
+                0x20, 0x05, 0x1E, 0x01, // OPEN object
+                0x00, 0x10, 0x00, 0x04, // STATEFUL-PCE-CAPABILITY
+                0x00, 0x00, 0x00, 0x05,
+                0x00, 0x0E, 0x00, 0x04, // GMPLS-CAPABILITY-TLV
+                0x00, 0x00, 0x00, 0x00};
+
+        byte[] testOpenMsg = {0};
+        ChannelBuffer buffer = ChannelBuffers.dynamicBuffer();
+        buffer.writeBytes(openMsg);
+
+        PcepMessageReader<PcepMessage> reader = PcepFactories.getGenericReader();
+        PcepMessage message = null;
+        try {
+            message = reader.readFrom(buffer);
+        } catch (PcepParseException e) {
+            e.printStackTrace();
+        }
+
+        if (message instanceof PcepOpenMsg) {
+            ChannelBuffer buf = ChannelBuffers.dynamicBuffer();
+            message.writeTo(buf);
+            testOpenMsg = buf.array();
+
+            int iReadLen = buf.writerIndex() - 0;
+            testOpenMsg = new byte[iReadLen];
+            buf.readBytes(testOpenMsg, 0, iReadLen);
+
+            if (Arrays.equals(openMsg, testOpenMsg)) {
+                Assert.assertArrayEquals(openMsg, testOpenMsg);
+                log.debug("openMsg are equal :" + openMsg);
+            } else {
+                Assert.fail("test case failed");
+                log.debug("not equal");
+            }
+        } else {
+            Assert.fail("test case failed");
+            log.debug("not equal");
+        }
+    }
+
+    @Test
+    public void openMessageTest11() throws PcepParseException {
+
+        //OPEN OBJECT (STATEFUL-PCE-CAPABILITY, GMPLS-CAPABILITY-TLV, PCECC-CAPABILITY-TLV, TED Capability TLV).
+        byte[] openMsg = new byte[] {0x20, 0x01, 0x00, 0x2C, // common header
+                0x01, 0x10, 0x00, 0x28, // common object header
+                0x20, 0x05, 0x1E, 0x01, // OPEN object
+                0x00, 0x10, 0x00, 0x04, // STATEFUL-PCE-CAPABILITY
+                0x00, 0x00, 0x00, 0x05, 0x00, 0x0E, 0x00, 0x04, // GMPLS-CAPABILITY-TLV
+                0x00, 0x00, 0x00, 0x00, 0x00, 0x20, 0x00, 0x04, // PCECC-CAPABILITY-TLV
+                0x00, 0x00, 0x00, 0x03, 0x00, (byte) 0x84, 0x00, 0x04, // TED Capability TLV
+                0x00, 0x00, 0x00, 0x00 };
+
+        byte[] testOpenMsg = {0};
+        ChannelBuffer buffer = ChannelBuffers.dynamicBuffer();
+        buffer.writeBytes(openMsg);
+
+        PcepMessageReader<PcepMessage> reader = PcepFactories.getGenericReader();
+        PcepMessage message = null;
+        try {
+            message = reader.readFrom(buffer);
+        } catch (PcepParseException e) {
+            e.printStackTrace();
+        }
+
+        if (message instanceof PcepOpenMsg) {
+            ChannelBuffer buf = ChannelBuffers.dynamicBuffer();
+            message.writeTo(buf);
+            testOpenMsg = buf.array();
+
+            int iReadLen = buf.writerIndex() - 0;
+            testOpenMsg = new byte[iReadLen];
+            buf.readBytes(testOpenMsg, 0, iReadLen);
+
+            if (Arrays.equals(openMsg, testOpenMsg)) {
+                Assert.assertArrayEquals(openMsg, testOpenMsg);
+                log.debug("openMsg are equal :" + openMsg);
+            } else {
+                Assert.fail("test case failed");
+                log.debug("not equal");
+            }
+        } else {
+            Assert.fail("test case failed");
+            log.debug("not equal");
+        }
+    }
+
+    @Test
+    public void openMessageTest12() throws PcepParseException {
+
+        //OPEN OBJECT (STATEFUL-PCE-CAPABILITY, GMPLS-CAPABILITY-TLV, PCECC-CAPABILITY-TLV).
+        byte[] openMsg = new byte[] {0x20, 0x01, 0x00, 0x24, // common header
+                0x01, 0x10, 0x00, 0x20, // common object header
+                0x20, 0x05, 0x1E, 0x01, // OPEN object
+                0x00, 0x10, 0x00, 0x04, // STATEFUL-PCE-CAPABILITY
+                0x00, 0x00, 0x00, 0x05, 0x00, 0x0E, 0x00, 0x04, // GMPLS-CAPABILITY-TLV
+                0x00, 0x00, 0x00, 0x00, 0x00, 0x20, 0x00, 0x04, // PCECC-CAPABILITY-TLV
+                0x00, 0x00, 0x00, 0x03};
+
+        byte[] testOpenMsg = {0};
+        ChannelBuffer buffer = ChannelBuffers.dynamicBuffer();
+        buffer.writeBytes(openMsg);
+
+        PcepMessageReader<PcepMessage> reader = PcepFactories.getGenericReader();
+        PcepMessage message = null;
+        try {
+            message = reader.readFrom(buffer);
+        } catch (PcepParseException e) {
+            e.printStackTrace();
+        }
+
+        if (message instanceof PcepOpenMsg) {
+            ChannelBuffer buf = ChannelBuffers.dynamicBuffer();
+            message.writeTo(buf);
+            testOpenMsg = buf.array();
+
+            int iReadLen = buf.writerIndex() - 0;
+            testOpenMsg = new byte[iReadLen];
+            buf.readBytes(testOpenMsg, 0, iReadLen);
+
+            if (Arrays.equals(openMsg, testOpenMsg)) {
+                Assert.assertArrayEquals(openMsg, testOpenMsg);
+                log.debug("openMsg are equal :" + openMsg);
+            } else {
+                Assert.fail("test case failed");
+                log.debug("not equal");
+            }
+        } else {
+            Assert.fail("test case failed");
+            log.debug("not equal");
+        }
+    }
+
+    @Test
+    public void openMessageTest13() throws PcepParseException {
+
+        //OPEN OBJECT (STATEFUL-PCE-CAPABILITY, GMPLS-CAPABILITY-TLV).
+        byte[] openMsg = new byte[] {0x20, 0x01, 0x00, 0x1c, // common header
+                0x01, 0x10, 0x00, 0x18, // common object header
+                0x20, 0x05, 0x1E, 0x01, // OPEN object
+                0x00, 0x10, 0x00, 0x04, // STATEFUL-PCE-CAPABILITY
+                0x00, 0x00, 0x00, 0x05, 0x00, 0x0E, 0x00, 0x04, // GMPLS-CAPABILITY-TLV
+                0x00, 0x00, 0x00, 0x00};
+
+        byte[] testOpenMsg = {0};
+        ChannelBuffer buffer = ChannelBuffers.dynamicBuffer();
+        buffer.writeBytes(openMsg);
+
+        PcepMessageReader<PcepMessage> reader = PcepFactories.getGenericReader();
+        PcepMessage message = null;
+        try {
+            message = reader.readFrom(buffer);
+        } catch (PcepParseException e) {
+            e.printStackTrace();
+        }
+
+        if (message instanceof PcepOpenMsg) {
+            ChannelBuffer buf = ChannelBuffers.dynamicBuffer();
+            message.writeTo(buf);
+            testOpenMsg = buf.array();
+
+            int iReadLen = buf.writerIndex() - 0;
+            testOpenMsg = new byte[iReadLen];
+            buf.readBytes(testOpenMsg, 0, iReadLen);
+
+            if (Arrays.equals(openMsg, testOpenMsg)) {
+                Assert.assertArrayEquals(openMsg, testOpenMsg);
+                log.debug("openMsg are equal :" + openMsg);
+            } else {
+                Assert.fail("test case failed");
+                log.debug("not equal");
+            }
+        } else {
+            Assert.fail("test case failed ");
+            log.debug("not equal");
+        }
+    }
+
+    @Test
+    public void openMessageTest14() throws PcepParseException {
+
+        //OPEN OBJECT (STATEFUL-PCE-CAPABILITY).
+        byte[] openMsg = new byte[] {0x20, 0x01, 0x00, 0x14, // common header
+                0x01, 0x10, 0x00, 0x10, // common object header
+                0x20, 0x05, 0x1E, 0x01, // OPEN object
+                0x00, 0x10, 0x00, 0x04, // STATEFUL-PCE-CAPABILITY
+                0x00, 0x00, 0x00, 0x05};
+
+        byte[] testOpenMsg = {0};
+        ChannelBuffer buffer = ChannelBuffers.dynamicBuffer();
+        buffer.writeBytes(openMsg);
+
+        PcepMessageReader<PcepMessage> reader = PcepFactories.getGenericReader();
+        PcepMessage message = null;
+        try {
+            message = reader.readFrom(buffer);
+        } catch (PcepParseException e) {
+            e.printStackTrace();
+        }
+
+        if (message instanceof PcepOpenMsg) {
+            ChannelBuffer buf = ChannelBuffers.dynamicBuffer();
+            message.writeTo(buf);
+            testOpenMsg = buf.array();
+
+            int iReadLen = buf.writerIndex() - 0;
+            testOpenMsg = new byte[iReadLen];
+            buf.readBytes(testOpenMsg, 0, iReadLen);
+
+            if (Arrays.equals(openMsg, testOpenMsg)) {
+                Assert.assertArrayEquals(openMsg, testOpenMsg);
+                log.debug("openMsg are equal :" + openMsg);
+            } else {
+                Assert.fail("test case failed");
+                log.debug("not equal");
+            }
+        } else {
+            Assert.fail("test case failed");
+            log.debug("not equal");
+        }
+    }
+
+    @Test
+    public void openMessageTest15() throws PcepParseException {
+
+        // OPEN OBJECT.
+        byte[] openMsg = new byte[] {0x20, 0x01, 0x00, 0x0c, // common header
+                0x01, 0x10, 0x00, 0x08, // common object header
+                0x20, 0x05, 0x1E, 0x01 // OPEN object
+        };
+
+        byte[] testOpenMsg = {0};
+        ChannelBuffer buffer = ChannelBuffers.dynamicBuffer();
+        buffer.writeBytes(openMsg);
+
+        PcepMessageReader<PcepMessage> reader = PcepFactories.getGenericReader();
+        PcepMessage message = null;
+        try {
+            message = reader.readFrom(buffer);
+        } catch (PcepParseException e) {
+            e.printStackTrace();
+        }
+
+        if (message instanceof PcepOpenMsg) {
+            ChannelBuffer buf = ChannelBuffers.dynamicBuffer();
+            message.writeTo(buf);
+            testOpenMsg = buf.array();
+
+            int iReadLen = buf.writerIndex() - 0;
+            testOpenMsg = new byte[iReadLen];
+            buf.readBytes(testOpenMsg, 0, iReadLen);
+
+            if (Arrays.equals(openMsg, testOpenMsg)) {
+                Assert.assertArrayEquals(openMsg, testOpenMsg);
+                log.debug("openMsg are equal :" + openMsg);
+            } else {
+                Assert.fail("test case failed");
+                log.debug("not equal");
+            }
+        } else {
+            Assert.fail("test case failed");
+            log.debug("not equal");
+        }
+    }
+}