/*
 * 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");
        }
    }
}