Move unit tests to the package where the implementations are placed

Change-Id: I61f2bd76b0cdf270fa407b0cbb04d43f4f7f61aa
diff --git a/pcep/pcepio/src/test/java/org/onosproject/pcepio/protocol/PcepOpenMsgTest.java b/pcep/pcepio/src/test/java/org/onosproject/pcepio/protocol/PcepOpenMsgTest.java
new file mode 100644
index 0000000..6e0a059
--- /dev/null
+++ b/pcep/pcepio/src/test/java/org/onosproject/pcepio/protocol/PcepOpenMsgTest.java
@@ -0,0 +1,558 @@
+/*
+ * 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.protocol;
+
+import org.jboss.netty.buffer.ChannelBuffer;
+import org.jboss.netty.buffer.ChannelBuffers;
+import org.junit.Test;
+import org.onosproject.pcepio.exceptions.PcepParseException;
+
+import static org.hamcrest.MatcherAssert.assertThat;
+import static org.hamcrest.Matchers.instanceOf;
+import static org.hamcrest.core.Is.is;
+/**
+ * Test cases for PCEP OPEN Message.
+ */
+public class PcepOpenMsgTest {
+
+    /**
+     * This test case checks open object with STATEFUL-PCE-CAPABILITY, GMPLS-CAPABILITY-TLV,
+     * PCECC-CAPABILITY-TLV in Pcep Open message.
+     */
+    @Test
+    public void openMessageTest1() throws PcepParseException {
+
+        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;
+
+        message = reader.readFrom(buffer);
+
+        assertThat(message, instanceOf(PcepOpenMsg.class));
+        ChannelBuffer buf = ChannelBuffers.dynamicBuffer();
+        message.writeTo(buf);
+        testOpenMsg = buf.array();
+
+        int readLen = buf.writerIndex() - 0;
+        testOpenMsg = new byte[readLen];
+        buf.readBytes(testOpenMsg, 0, readLen);
+
+        assertThat(testOpenMsg, is(openMsg));
+
+    }
+
+    /**
+     * This test case checks open object with STATEFUL-PCE-CAPABILITY-TLV in Pcep Open message.
+     */
+    @Test
+    public void openMessageTest2() throws PcepParseException {
+
+        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;
+
+        message = reader.readFrom(buffer);
+
+        assertThat(message, instanceOf(PcepOpenMsg.class));
+        ChannelBuffer buf = ChannelBuffers.dynamicBuffer();
+        message.writeTo(buf);
+        testOpenMsg = buf.array();
+
+        int readLen = buf.writerIndex() - 0;
+        testOpenMsg = new byte[readLen];
+        buf.readBytes(testOpenMsg, 0, readLen);
+
+        assertThat(testOpenMsg, is(openMsg));
+
+    }
+
+    /**
+     * This test case checks open object with GmplsCapability tlv in Pcep Open message.
+     */
+    @Test
+    public void openMessageTest3() throws PcepParseException {
+
+        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;
+
+        message = reader.readFrom(buffer);
+
+        assertThat(message, instanceOf(PcepOpenMsg.class));
+        ChannelBuffer buf = ChannelBuffers.dynamicBuffer();
+        message.writeTo(buf);
+        testOpenMsg = buf.array();
+
+        int readLen = buf.writerIndex() - 0;
+        testOpenMsg = new byte[readLen];
+        buf.readBytes(testOpenMsg, 0, readLen);
+
+
+        assertThat(testOpenMsg, is(openMsg));
+
+    }
+
+    /**
+     * This test case checks open object with StatefulLspDbVer Tlv in Pcep Open message.
+     */
+    @Test
+    public void openMessageTest4() throws PcepParseException {
+
+        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;
+
+        message = reader.readFrom(buffer);
+
+        assertThat(message, instanceOf(PcepOpenMsg.class));
+        ChannelBuffer buf = ChannelBuffers.dynamicBuffer();
+        message.writeTo(buf);
+        testOpenMsg = buf.array();
+
+        int readLen = buf.writerIndex() - 0;
+        testOpenMsg = new byte[readLen];
+        buf.readBytes(testOpenMsg, 0, readLen);
+
+        assertThat(testOpenMsg, is(openMsg));
+
+    }
+
+    /**
+     * This test case checks open object with no tlv's in Pcep Open message.
+     */
+    @Test
+    public void openMessageTest5() throws PcepParseException {
+
+        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;
+
+        message = reader.readFrom(buffer);
+
+        assertThat(message, instanceOf(PcepOpenMsg.class));
+        ChannelBuffer buf = ChannelBuffers.dynamicBuffer();
+        message.writeTo(buf);
+        testOpenMsg = buf.array();
+
+        int readLen = buf.writerIndex() - 0;
+        testOpenMsg = new byte[readLen];
+        buf.readBytes(testOpenMsg, 0, readLen);
+
+        assertThat(testOpenMsg, is(openMsg));
+
+    }
+
+    /**
+     * This test case checks open object with STATEFUL-PCE-CAPABILITY, GMPLS-CAPABILITY-TLV, PCECC-CAPABILITY-TLV
+     * with I bit set in Pcep Open message.
+     */
+    @Test
+    public void openMessageTest6() throws PcepParseException {
+
+        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;
+
+        message = reader.readFrom(buffer);
+
+        assertThat(message, instanceOf(PcepOpenMsg.class));
+        ChannelBuffer buf = ChannelBuffers.dynamicBuffer();
+        message.writeTo(buf);
+        testOpenMsg = buf.array();
+
+        int readLen = buf.writerIndex() - 0;
+        testOpenMsg = new byte[readLen];
+        buf.readBytes(testOpenMsg, 0, readLen);
+
+        assertThat(testOpenMsg, is(openMsg));
+
+    }
+
+    /**
+     * This test case checks open object with STATEFUL-PCE-CAPABILITY, GMPLS-CAPABILITY-TLV, PCECC-CAPABILITY-TLV
+     * with P bit set in Pcep Open message.
+     */
+    @Test
+    public void openMessageTest7() throws PcepParseException {
+
+        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;
+
+        message = reader.readFrom(buffer);
+
+        assertThat(message, instanceOf(PcepOpenMsg.class));
+        ChannelBuffer buf = ChannelBuffers.dynamicBuffer();
+        message.writeTo(buf);
+        testOpenMsg = buf.array();
+
+        int readLen = buf.writerIndex() - 0;
+        testOpenMsg = new byte[readLen];
+        buf.readBytes(testOpenMsg, 0, readLen);
+
+        assertThat(testOpenMsg, is(openMsg));
+
+    }
+
+    /**
+     * This test case checks open object with STATEFUL-PCE-CAPABILITY, GMPLS-CAPABILITY-TLV, PCECC-CAPABILITY-TLV
+     * with P & I bits set in Pcep Open message.
+     */
+    @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;
+
+        message = reader.readFrom(buffer);
+
+        assertThat(message, instanceOf(PcepOpenMsg.class));
+        ChannelBuffer buf = ChannelBuffers.dynamicBuffer();
+        message.writeTo(buf);
+        testOpenMsg = buf.array();
+
+        int readLen = buf.writerIndex() - 0;
+        testOpenMsg = new byte[readLen];
+        buf.readBytes(testOpenMsg, 0, readLen);
+
+        assertThat(testOpenMsg, is(openMsg));
+
+    }
+
+    /**
+     * This test case checks open object with STATEFUL-PCE-CAPABILITY, GMPLS-CAPABILITY-TLV, PCECC-CAPABILITY-TLV
+     * with P & I bits set and invalid session id in Pcep Open message.
+     */
+    @Test
+    public void openMessageTest9() throws PcepParseException {
+
+        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;
+
+        message = reader.readFrom(buffer);
+
+        assertThat(message, instanceOf(PcepOpenMsg.class));
+        ChannelBuffer buf = ChannelBuffers.dynamicBuffer();
+        message.writeTo(buf);
+        testOpenMsg = buf.array();
+
+        int readLen = buf.writerIndex() - 0;
+        testOpenMsg = new byte[readLen];
+        buf.readBytes(testOpenMsg, 0, readLen);
+
+
+        assertThat(testOpenMsg, is(openMsg));
+
+    }
+
+    /**
+     * This test case checks open object with STATEFUL-PCE-CAPABILITY, GMPLS-CAPABILITY-TLV
+     * in Pcep Open message.
+     */
+    @Test
+    public void openMessageTest10() throws PcepParseException {
+
+        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;
+
+        message = reader.readFrom(buffer);
+
+        assertThat(message, instanceOf(PcepOpenMsg.class));
+        ChannelBuffer buf = ChannelBuffers.dynamicBuffer();
+        message.writeTo(buf);
+        testOpenMsg = buf.array();
+
+        int readLen = buf.writerIndex() - 0;
+        testOpenMsg = new byte[readLen];
+        buf.readBytes(testOpenMsg, 0, readLen);
+
+        assertThat(testOpenMsg, is(openMsg));
+
+    }
+
+    /**
+     * This test case checks open object with STATEFUL-PCE-CAPABILITY, GMPLS-CAPABILITY-TLV,
+     * PCECC-CAPABILITY-TLV, TED Capability TLV in Pcep Open message.
+     */
+    @Test
+    public void openMessageTest11() throws PcepParseException {
+
+        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;
+
+        message = reader.readFrom(buffer);
+
+        assertThat(message, instanceOf(PcepOpenMsg.class));
+        ChannelBuffer buf = ChannelBuffers.dynamicBuffer();
+        message.writeTo(buf);
+        testOpenMsg = buf.array();
+
+        int readLen = buf.writerIndex() - 0;
+        testOpenMsg = new byte[readLen];
+        buf.readBytes(testOpenMsg, 0, readLen);
+
+        assertThat(testOpenMsg, is(openMsg));
+
+    }
+
+    /**
+     * This test case checks open object with STATEFUL-PCE-CAPABILITY, GMPLS-CAPABILITY-TLV,
+     * PCECC-CAPABILITY-TLV in Pcep Open message.
+     */
+    @Test
+    public void openMessageTest12() throws PcepParseException {
+
+        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;
+
+        message = reader.readFrom(buffer);
+
+        assertThat(message, instanceOf(PcepOpenMsg.class));
+        ChannelBuffer buf = ChannelBuffers.dynamicBuffer();
+        message.writeTo(buf);
+        testOpenMsg = buf.array();
+
+        int readLen = buf.writerIndex() - 0;
+        testOpenMsg = new byte[readLen];
+        buf.readBytes(testOpenMsg, 0, readLen);
+
+        assertThat(testOpenMsg, is(openMsg));
+
+    }
+
+    /**
+     * This test case checks open object with STATEFUL-PCE-CAPABILITY, GMPLS-CAPABILITY-TLV
+     * in Pcep Open message.
+     */
+    @Test
+    public void openMessageTest13() throws PcepParseException {
+
+        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;
+
+        message = reader.readFrom(buffer);
+
+        assertThat(message, instanceOf(PcepOpenMsg.class));
+        ChannelBuffer buf = ChannelBuffers.dynamicBuffer();
+        message.writeTo(buf);
+        testOpenMsg = buf.array();
+
+        int readLen = buf.writerIndex() - 0;
+        testOpenMsg = new byte[readLen];
+        buf.readBytes(testOpenMsg, 0, readLen);
+
+
+        assertThat(testOpenMsg, is(openMsg));
+
+    }
+
+    /**
+     * This test case checks open object with STATEFUL-PCE-CAPABILITY in Pcep Open message.
+     */
+    @Test
+    public void openMessageTest14() throws PcepParseException {
+
+        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;
+
+        message = reader.readFrom(buffer);
+
+        assertThat(message, instanceOf(PcepOpenMsg.class));
+        ChannelBuffer buf = ChannelBuffers.dynamicBuffer();
+        message.writeTo(buf);
+        testOpenMsg = buf.array();
+
+        int readLen = buf.writerIndex() - 0;
+        testOpenMsg = new byte[readLen];
+        buf.readBytes(testOpenMsg, 0, readLen);
+
+        assertThat(testOpenMsg, is(openMsg));
+
+    }
+
+    /**
+     * This test case checks open object with no tlv Pcep Open message.
+     */
+    @Test
+    public void openMessageTest15() throws PcepParseException {
+
+        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;
+
+        message = reader.readFrom(buffer);
+
+        assertThat(message, instanceOf(PcepOpenMsg.class));
+
+        ChannelBuffer buf = ChannelBuffers.dynamicBuffer();
+        message.writeTo(buf);
+        testOpenMsg = buf.array();
+
+        int readLen = buf.writerIndex() - 0;
+        testOpenMsg = new byte[readLen];
+        buf.readBytes(testOpenMsg, 0, readLen);
+        assertThat(testOpenMsg, is(openMsg));
+
+    }
+}