tests/unit-tests/lp/packet.t.cpp - ndn-cxx - Gitiles

 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /*
  * Copyright (c) 2013-2017 Regents of the University of California.
  *
  * This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions).
  *
  * ndn-cxx library is free software: you can redistribute it and/or modify it under the
  * terms of the GNU Lesser General Public License as published by the Free Software
  * Foundation, either version 3 of the License, or (at your option) any later version.
  *
  * ndn-cxx library is distributed in the hope that it will be useful, but WITHOUT ANY
  * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
  * PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more details.
  *
  * You should have received copies of the GNU General Public License and GNU Lesser
  * General Public License along with ndn-cxx, e.g., in COPYING.md file.  If not, see
  * <http://www.gnu.org/licenses/>.
  *
  * See AUTHORS.md for complete list of ndn-cxx authors and contributors.
  */

 #include "lp/packet.hpp"

 #include "boost-test.hpp"

 namespace ndn {
 namespace lp {
 namespace tests {

 BOOST_AUTO_TEST_SUITE(Lp)
 BOOST_AUTO_TEST_SUITE(TestPacket)

 BOOST_AUTO_TEST_CASE(FieldAccess)
 {
   Packet packet;

   BOOST_CHECK(packet.empty());
   BOOST_CHECK(!packet.has<FragIndexField>());
   BOOST_CHECK_EQUAL(0, packet.count<FragIndexField>());

   packet.set<FragIndexField>(1234);
   BOOST_CHECK(!packet.empty());
   BOOST_CHECK(packet.has<FragIndexField>());
   BOOST_CHECK_THROW(packet.add<FragIndexField>(5678), std::length_error);
   BOOST_CHECK_EQUAL(1, packet.count<FragIndexField>());
   BOOST_CHECK_EQUAL(1234, packet.get<FragIndexField>(0));
   BOOST_CHECK_THROW(packet.get<FragIndexField>(1), std::out_of_range);
   BOOST_CHECK_THROW(packet.remove<FragIndexField>(1), std::out_of_range);

   packet.remove<FragIndexField>(0);
   BOOST_CHECK_EQUAL(0, packet.count<FragIndexField>());

   packet.add<FragIndexField>(832);
   std::vector<uint64_t> fragIndexes = packet.list<FragIndexField>();
   BOOST_CHECK_EQUAL(1, fragIndexes.size());
   BOOST_CHECK_EQUAL(832, fragIndexes.at(0));

   packet.clear<FragIndexField>();
   BOOST_CHECK_EQUAL(0, packet.count<FragIndexField>());
   BOOST_CHECK(packet.empty());
 }

 /// \todo test field access methods with a REPEATABLE field

 BOOST_AUTO_TEST_CASE(EncodeFragment)
 {
   static const uint8_t expectedBlock[] = {
     0x64, 0x08, // LpPacket
           0x51, 0x02, // Sequence
                 0x03, 0xe8,
           0x50, 0x02, // Fragment
                 0x03, 0xe8,
   };

   Buffer buf(2);
   buf[0] = 0x03;
   buf[1] = 0xe8;

   Packet packet;
   BOOST_CHECK_NO_THROW(packet.add<FragmentField>(std::make_pair(buf.begin(), buf.end())));
   BOOST_CHECK_NO_THROW(packet.add<SequenceField>(1000));
   Block wire;
   BOOST_CHECK_NO_THROW(wire = packet.wireEncode());
   BOOST_CHECK_EQUAL_COLLECTIONS(expectedBlock, expectedBlock + sizeof(expectedBlock),
                                 wire.begin(), wire.end());
 }

 BOOST_AUTO_TEST_CASE(EncodeSubTlv)
 {
   static const uint8_t expectedBlock[] = {
     0x64, 0x09, // LpPacket
           0xfd, 0x03, 0x20, 0x05, // Nack
                 0xfd, 0x03, 0x21, 0x01, // NackReason
                       0x64,
   };

   NackHeader nack;
   nack.setReason(NackReason::DUPLICATE);

   Packet packet;
   BOOST_CHECK_NO_THROW(packet.add<NackField>(nack));
   Block wire;
   BOOST_REQUIRE_NO_THROW(wire = packet.wireEncode());
   BOOST_CHECK_EQUAL_COLLECTIONS(expectedBlock, expectedBlock + sizeof(expectedBlock),
                                 wire.begin(), wire.end());
 }

 BOOST_AUTO_TEST_CASE(EncodeZeroLengthTlv)
 {
   static const uint8_t expectedBlock[] = {
     0x64, 0x04, // LpPacket
           0xfd, 0x03, 0x4c, 0x00, // NonDiscovery
   };

   Packet packet1, packet2;
   BOOST_CHECK_NO_THROW(packet1.set<NonDiscoveryField>(EmptyValue{}));
   Block wire;
   BOOST_REQUIRE_NO_THROW(wire = packet1.wireEncode());
   BOOST_CHECK_EQUAL_COLLECTIONS(expectedBlock, expectedBlock + sizeof(expectedBlock),
                                 wire.begin(), wire.end());

   BOOST_CHECK_NO_THROW(packet2.add<NonDiscoveryField>(EmptyValue{}));
   BOOST_REQUIRE_NO_THROW(wire = packet2.wireEncode());
   BOOST_CHECK_EQUAL_COLLECTIONS(expectedBlock, expectedBlock + sizeof(expectedBlock),
                                 wire.begin(), wire.end());
 }

 BOOST_AUTO_TEST_CASE(EncodeSortOrder)
 {
   static const uint8_t expectedBlock[] = {
     0x64, 0x19, // LpPacket
           0x52, 0x01, // FragIndex
                 0x00,
           0x53, 0x01, // FragCount
                 0x01,
           0xfd, 0x03, 0x44, 0x01, // Ack
                 0x02,
           0xfd, 0x03, 0x44, 0x01, // Ack
                 0x04,
           0xfd, 0x03, 0x44, 0x01, // Ack
                 0x03,
           0x50, 0x02, // Fragment
                 0x03, 0xe8,
   };

   Buffer frag(2);
   frag[0] = 0x03;
   frag[1] = 0xe8;

   Packet packet;
   BOOST_CHECK_NO_THROW(packet.add<FragmentField>(std::make_pair(frag.begin(), frag.end())));
   BOOST_CHECK_NO_THROW(packet.add<FragIndexField>(0));
   BOOST_CHECK_NO_THROW(packet.add<AckField>(2));
   BOOST_REQUIRE_NO_THROW(packet.wireEncode());
   BOOST_CHECK_NO_THROW(packet.add<FragCountField>(1));
   BOOST_REQUIRE_NO_THROW(packet.wireEncode());
   BOOST_CHECK_NO_THROW(packet.add<AckField>(4));
   BOOST_REQUIRE_NO_THROW(packet.wireEncode());
   BOOST_CHECK_NO_THROW(packet.add<AckField>(3));
   BOOST_REQUIRE_NO_THROW(packet.wireEncode());
   Block wire;
   BOOST_REQUIRE_NO_THROW(wire = packet.wireEncode());
   BOOST_CHECK_EQUAL_COLLECTIONS(expectedBlock, expectedBlock + sizeof(expectedBlock),
                                 wire.begin(), wire.end());
 }

 BOOST_AUTO_TEST_CASE(DecodeNormal)
 {
   static const uint8_t inputBlock[] = {
     0x64, 0x0a, // LpPacket
           0x52, 0x01, // FragIndex
                 0x00,
           0x53, 0x01, // FragCount
                 0x01,
           0x50, 0x02, // Fragment
                 0x03, 0xe8,
   };

   Packet packet;
   Block wire(inputBlock, sizeof(inputBlock));
   BOOST_CHECK_NO_THROW(packet.wireDecode(wire));
   BOOST_CHECK_EQUAL(1, packet.count<FragmentField>());
   BOOST_CHECK_EQUAL(1, packet.count<FragIndexField>());
   BOOST_CHECK_EQUAL(1, packet.count<FragCountField>());
   Buffer::const_iterator first, last;
   BOOST_REQUIRE_NO_THROW(std::tie(first, last) = packet.get<FragmentField>(0));
   BOOST_CHECK_EQUAL(2, last - first);
   BOOST_CHECK_EQUAL(0x03, *first);
   BOOST_CHECK_EQUAL(0xe8, *(last - 1));
   BOOST_CHECK_EQUAL(0, packet.get<FragIndexField>(0));
   BOOST_CHECK_EQUAL(1, packet.get<FragCountField>(0));
 }

 BOOST_AUTO_TEST_CASE(DecodeIdle)
 {
   static const uint8_t inputBlock[] = {
     0x64, 0x06, // LpPacket
           0x52, 0x01, // FragIndex
                 0x00,
           0x53, 0x01, // FragCount
                 0x01,
   };

   Packet packet;
   Block wire(inputBlock, sizeof(inputBlock));
   BOOST_CHECK_NO_THROW(packet.wireDecode(wire));
   BOOST_CHECK_EQUAL(0, packet.count<FragmentField>());
   BOOST_CHECK_EQUAL(1, packet.count<FragIndexField>());
   BOOST_CHECK_EQUAL(1, packet.count<FragCountField>());
   BOOST_CHECK_EQUAL(0, packet.get<FragIndexField>(0));
   BOOST_CHECK_EQUAL(1, packet.get<FragCountField>(0));
 }

 BOOST_AUTO_TEST_CASE(DecodeFragment)
 {
   static const uint8_t inputBlock[] = {
     0x64, 0x04, // LpPacket
           0x50, 0x02, // Fragment
                 0x03, 0xe8,
   };

   Packet packet;
   Block wire(inputBlock, sizeof(inputBlock));
   BOOST_CHECK_NO_THROW(packet.wireDecode(wire));
   BOOST_CHECK_EQUAL(1, packet.count<FragmentField>());
   BOOST_CHECK_EQUAL(0, packet.count<FragIndexField>());
   Buffer::const_iterator first, last;
   BOOST_REQUIRE_NO_THROW(std::tie(first, last) = packet.get<FragmentField>(0));
   BOOST_CHECK_EQUAL(2, last - first);
   BOOST_CHECK_EQUAL(0x03, *first);
   BOOST_CHECK_EQUAL(0xe8, *(last - 1));
 }

 BOOST_AUTO_TEST_CASE(DecodeNonDiscoveryHeader)
 {
   static const uint8_t inputBlock[] = {
     0x64, 0x04, // LpPacket
           0xfd, 0x03, 0x4c, 0x00, // NonDiscovery
   };

   Packet packet;
   Block wire(inputBlock, sizeof(inputBlock));
   BOOST_CHECK_NO_THROW(packet.wireDecode(wire));
   BOOST_CHECK_EQUAL(true, packet.has<NonDiscoveryField>());
   BOOST_CHECK_NO_THROW(packet.get<NonDiscoveryField>());
 }

 BOOST_AUTO_TEST_CASE(DecodeEmpty)
 {
   static const uint8_t inputBlock[] = {
     0x64, 0x00, // LpPacket
   };

   Packet packet;
   Block wire(inputBlock, sizeof(inputBlock));
   BOOST_CHECK_NO_THROW(packet.wireDecode(wire));
   BOOST_CHECK_EQUAL(0, packet.count<FragmentField>());
   BOOST_CHECK_EQUAL(0, packet.count<FragIndexField>());
   BOOST_CHECK_EQUAL(false, packet.has<NonDiscoveryField>());
 }

 BOOST_AUTO_TEST_CASE(DecodeRepeatedNonRepeatableHeader)
 {
   static const uint8_t inputBlock[] = {
     0x64, 0x06, // LpPacket
           0x52, 0x01, // FragIndex
                 0x00,
           0x52, 0x01, // FragIndex
                 0x01,
   };

   Packet packet;
   Block wire(inputBlock, sizeof(inputBlock));
   BOOST_CHECK_THROW(packet.wireDecode(wire), Packet::Error);
 }

 BOOST_AUTO_TEST_CASE(DecodeRepeatedRepeatableHeader)
 {
   static const uint8_t inputBlock[] = {
     0x64, 0x0f, // LpPacket
           0xfd, 0x03, 0x44, 0x01, // Ack
                 0x01,
           0xfd, 0x03, 0x44, 0x01, // Ack
                 0x03,
           0xfd, 0x03, 0x44, 0x01, // Ack
                 0x02,
   };

   Packet packet;
   Block wire(inputBlock, sizeof(inputBlock));
   BOOST_CHECK_NO_THROW(packet.wireDecode(wire));
   BOOST_REQUIRE_EQUAL(packet.count<AckField>(), 3);
   BOOST_CHECK_EQUAL(packet.get<AckField>(), 1);
   BOOST_CHECK_EQUAL(packet.get<AckField>(0), 1);
   BOOST_CHECK_EQUAL(packet.get<AckField>(1), 3);
   BOOST_CHECK_EQUAL(packet.get<AckField>(2), 2);
 }

 BOOST_AUTO_TEST_CASE(DecodeRepeatedFragment)
 {
   static const uint8_t inputBlock[] = {
     0x64, 0x08, // LpPacket
           0x50, 0x02, // Fragment
                 0x03, 0xe8,
           0x50, 0x02, // Fragment
                 0x03, 0xe9,
   };

   Packet packet;
   Block wire(inputBlock, sizeof(inputBlock));
   BOOST_CHECK_THROW(packet.wireDecode(wire), Packet::Error);
 }

 BOOST_AUTO_TEST_CASE(DecodeWrongOrderAmongHeaders)
 {
   static const uint8_t inputBlock[] = {
     0x64, 0x0a, // LpPacket
           0x53, 0x01, // FragCount
                 0x01,
           0x52, 0x01, // FragIndex
                 0x00,
           0x50, 0x02, // Fragment
                 0x03, 0xe8,
   };

   Packet packet;
   Block wire(inputBlock, sizeof(inputBlock));
   BOOST_CHECK_THROW(packet.wireDecode(wire), Packet::Error);
 }

 BOOST_AUTO_TEST_CASE(DecodeWrongOrderFragment)
 {
   static const uint8_t inputBlock[] = {
     0x64, 0x0a, // LpPacket
           0x52, 0x01, // FragIndex
                 0x00,
           0x50, 0x02, // Fragment
                 0x03, 0xe8,
           0x53, 0x01, // FragCount
                 0x01,
   };

   Packet packet;
   Block wire(inputBlock, sizeof(inputBlock));
   BOOST_CHECK_THROW(packet.wireDecode(wire), Packet::Error);
 }

 BOOST_AUTO_TEST_CASE(DecodeIgnoredHeader)
 {
   static const uint8_t inputBlock[] = {
     0x64, 0x0c, // LpPacket
           0x52, 0x01, // FragIndex
                 0x00,
           0xfd, 0x03, 0x24, 0x01, // unknown TLV-TYPE 804 (ignored)
                 0x02,
           0x50, 0x02, // Fragment
                 0x03, 0xe8,
   };

   Packet packet;
   Block wire(inputBlock, sizeof(inputBlock));
   BOOST_CHECK_NO_THROW(packet.wireDecode(wire));
   BOOST_CHECK_EQUAL(1, packet.count<FragmentField>());
   BOOST_CHECK_EQUAL(1, packet.count<FragIndexField>());
 }

 BOOST_AUTO_TEST_CASE(DecodeUnrecognizedHeader)
 {
   static const uint8_t inputBlock[] = {
     0x64, 0x0c, // LpPacket
           0x52, 0x01, // FragIndex
                 0x00,
           0xfd, 0x03, 0x22, 0x01, // unknown TLV-TYPE 802 (cannot ignore)
                 0x02,
           0x50, 0x02, // Fragment
                 0x03, 0xe8,
   };

   Packet packet;
   Block wire(inputBlock, sizeof(inputBlock));
   BOOST_CHECK_THROW(packet.wireDecode(wire), Packet::Error);
 }

 BOOST_AUTO_TEST_CASE(DecodeBareNetworkLayerPacket)
 {
   static const uint8_t inputBlock[] = {
     0x05, 0x0a, // Interest
           0x07, 0x02, // Name
                 0x03, 0xe8,
           0x0a, 0x04, // Nonce
                 0x01, 0x02, 0x03, 0x04,
   };

   Packet packet;
   Block wire(inputBlock, sizeof(inputBlock));
   BOOST_CHECK_NO_THROW(packet.wireDecode(wire));
   BOOST_CHECK_EQUAL(1, packet.count<FragmentField>());

   Block encoded;
   BOOST_CHECK_NO_THROW(encoded = packet.wireEncode());
   BOOST_CHECK_EQUAL_COLLECTIONS(inputBlock, inputBlock + sizeof(inputBlock),
                                 encoded.begin(), encoded.end());
 }

 BOOST_AUTO_TEST_CASE(DecodeUnrecognizedTlvType)
 {
   Packet packet;
   Block wire = encoding::makeEmptyBlock(ndn::tlv::Name);
   BOOST_CHECK_THROW(packet.wireDecode(wire), Packet::Error);
 }

 BOOST_AUTO_TEST_SUITE_END() // TestPacket
 BOOST_AUTO_TEST_SUITE_END() // Lp

 } // namespace tests
 } // namespace lp
 } // namespace ndn
	/* -- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -- */
	/*
	* Copyright (c) 2013-2017 Regents of the University of California.
	*
	* This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions).
	*
	* ndn-cxx library is free software: you can redistribute it and/or modify it under the
	* terms of the GNU Lesser General Public License as published by the Free Software
	* Foundation, either version 3 of the License, or (at your option) any later version.
	*
	* ndn-cxx library is distributed in the hope that it will be useful, but WITHOUT ANY
	* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
	* PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
	*
	* You should have received copies of the GNU General Public License and GNU Lesser
	* General Public License along with ndn-cxx, e.g., in COPYING.md file. If not, see
	* <http://www.gnu.org/licenses/>.
	*
	* See AUTHORS.md for complete list of ndn-cxx authors and contributors.
	*/

	#include "lp/packet.hpp"

	#include "boost-test.hpp"

	namespace ndn {
	namespace lp {
	namespace tests {

	BOOST_AUTO_TEST_SUITE(Lp)
	BOOST_AUTO_TEST_SUITE(TestPacket)

	BOOST_AUTO_TEST_CASE(FieldAccess)
	{
	Packet packet;

	BOOST_CHECK(packet.empty());
	BOOST_CHECK(!packet.has<FragIndexField>());
	BOOST_CHECK_EQUAL(0, packet.count<FragIndexField>());

	packet.set<FragIndexField>(1234);
	BOOST_CHECK(!packet.empty());
	BOOST_CHECK(packet.has<FragIndexField>());
	BOOST_CHECK_THROW(packet.add<FragIndexField>(5678), std::length_error);
	BOOST_CHECK_EQUAL(1, packet.count<FragIndexField>());
	BOOST_CHECK_EQUAL(1234, packet.get<FragIndexField>(0));
	BOOST_CHECK_THROW(packet.get<FragIndexField>(1), std::out_of_range);
	BOOST_CHECK_THROW(packet.remove<FragIndexField>(1), std::out_of_range);

	packet.remove<FragIndexField>(0);
	BOOST_CHECK_EQUAL(0, packet.count<FragIndexField>());

	packet.add<FragIndexField>(832);
	std::vector<uint64_t> fragIndexes = packet.list<FragIndexField>();
	BOOST_CHECK_EQUAL(1, fragIndexes.size());
	BOOST_CHECK_EQUAL(832, fragIndexes.at(0));

	packet.clear<FragIndexField>();
	BOOST_CHECK_EQUAL(0, packet.count<FragIndexField>());
	BOOST_CHECK(packet.empty());
	}

	/// \todo test field access methods with a REPEATABLE field

	BOOST_AUTO_TEST_CASE(EncodeFragment)
	{
	static const uint8_t expectedBlock[] = {
	0x64, 0x08, // LpPacket
	0x51, 0x02, // Sequence
	0x03, 0xe8,
	0x50, 0x02, // Fragment
	0x03, 0xe8,
	};

	Buffer buf(2);
	buf[0] = 0x03;
	buf[1] = 0xe8;

	Packet packet;
	BOOST_CHECK_NO_THROW(packet.add<FragmentField>(std::make_pair(buf.begin(), buf.end())));
	BOOST_CHECK_NO_THROW(packet.add<SequenceField>(1000));
	Block wire;
	BOOST_CHECK_NO_THROW(wire = packet.wireEncode());
	BOOST_CHECK_EQUAL_COLLECTIONS(expectedBlock, expectedBlock + sizeof(expectedBlock),
	wire.begin(), wire.end());
	}

	BOOST_AUTO_TEST_CASE(EncodeSubTlv)
	{
	static const uint8_t expectedBlock[] = {
	0x64, 0x09, // LpPacket
	0xfd, 0x03, 0x20, 0x05, // Nack
	0xfd, 0x03, 0x21, 0x01, // NackReason
	0x64,
	};

	NackHeader nack;
	nack.setReason(NackReason::DUPLICATE);

	Packet packet;
	BOOST_CHECK_NO_THROW(packet.add<NackField>(nack));
	Block wire;
	BOOST_REQUIRE_NO_THROW(wire = packet.wireEncode());
	BOOST_CHECK_EQUAL_COLLECTIONS(expectedBlock, expectedBlock + sizeof(expectedBlock),
	wire.begin(), wire.end());
	}

	BOOST_AUTO_TEST_CASE(EncodeZeroLengthTlv)
	{
	static const uint8_t expectedBlock[] = {
	0x64, 0x04, // LpPacket
	0xfd, 0x03, 0x4c, 0x00, // NonDiscovery
	};

	Packet packet1, packet2;
	BOOST_CHECK_NO_THROW(packet1.set<NonDiscoveryField>(EmptyValue{}));
	Block wire;
	BOOST_REQUIRE_NO_THROW(wire = packet1.wireEncode());
	BOOST_CHECK_EQUAL_COLLECTIONS(expectedBlock, expectedBlock + sizeof(expectedBlock),
	wire.begin(), wire.end());

	BOOST_CHECK_NO_THROW(packet2.add<NonDiscoveryField>(EmptyValue{}));
	BOOST_REQUIRE_NO_THROW(wire = packet2.wireEncode());
	BOOST_CHECK_EQUAL_COLLECTIONS(expectedBlock, expectedBlock + sizeof(expectedBlock),
	wire.begin(), wire.end());
	}

	BOOST_AUTO_TEST_CASE(EncodeSortOrder)
	{
	static const uint8_t expectedBlock[] = {
	0x64, 0x19, // LpPacket
	0x52, 0x01, // FragIndex
	0x00,
	0x53, 0x01, // FragCount
	0x01,
	0xfd, 0x03, 0x44, 0x01, // Ack
	0x02,
	0xfd, 0x03, 0x44, 0x01, // Ack
	0x04,
	0xfd, 0x03, 0x44, 0x01, // Ack
	0x03,
	0x50, 0x02, // Fragment
	0x03, 0xe8,
	};

	Buffer frag(2);
	frag[0] = 0x03;
	frag[1] = 0xe8;

	Packet packet;
	BOOST_CHECK_NO_THROW(packet.add<FragmentField>(std::make_pair(frag.begin(), frag.end())));
	BOOST_CHECK_NO_THROW(packet.add<FragIndexField>(0));
	BOOST_CHECK_NO_THROW(packet.add<AckField>(2));
	BOOST_REQUIRE_NO_THROW(packet.wireEncode());
	BOOST_CHECK_NO_THROW(packet.add<FragCountField>(1));
	BOOST_REQUIRE_NO_THROW(packet.wireEncode());
	BOOST_CHECK_NO_THROW(packet.add<AckField>(4));
	BOOST_REQUIRE_NO_THROW(packet.wireEncode());
	BOOST_CHECK_NO_THROW(packet.add<AckField>(3));
	BOOST_REQUIRE_NO_THROW(packet.wireEncode());
	Block wire;
	BOOST_REQUIRE_NO_THROW(wire = packet.wireEncode());
	BOOST_CHECK_EQUAL_COLLECTIONS(expectedBlock, expectedBlock + sizeof(expectedBlock),
	wire.begin(), wire.end());
	}

	BOOST_AUTO_TEST_CASE(DecodeNormal)
	{
	static const uint8_t inputBlock[] = {
	0x64, 0x0a, // LpPacket
	0x52, 0x01, // FragIndex
	0x00,
	0x53, 0x01, // FragCount
	0x01,
	0x50, 0x02, // Fragment
	0x03, 0xe8,
	};

	Packet packet;
	Block wire(inputBlock, sizeof(inputBlock));
	BOOST_CHECK_NO_THROW(packet.wireDecode(wire));
	BOOST_CHECK_EQUAL(1, packet.count<FragmentField>());
	BOOST_CHECK_EQUAL(1, packet.count<FragIndexField>());
	BOOST_CHECK_EQUAL(1, packet.count<FragCountField>());
	Buffer::const_iterator first, last;
	BOOST_REQUIRE_NO_THROW(std::tie(first, last) = packet.get<FragmentField>(0));
	BOOST_CHECK_EQUAL(2, last - first);
	BOOST_CHECK_EQUAL(0x03, *first);
	BOOST_CHECK_EQUAL(0xe8, *(last - 1));
	BOOST_CHECK_EQUAL(0, packet.get<FragIndexField>(0));
	BOOST_CHECK_EQUAL(1, packet.get<FragCountField>(0));
	}

	BOOST_AUTO_TEST_CASE(DecodeIdle)
	{
	static const uint8_t inputBlock[] = {
	0x64, 0x06, // LpPacket
	0x52, 0x01, // FragIndex
	0x00,
	0x53, 0x01, // FragCount
	0x01,
	};

	Packet packet;
	Block wire(inputBlock, sizeof(inputBlock));
	BOOST_CHECK_NO_THROW(packet.wireDecode(wire));
	BOOST_CHECK_EQUAL(0, packet.count<FragmentField>());
	BOOST_CHECK_EQUAL(1, packet.count<FragIndexField>());
	BOOST_CHECK_EQUAL(1, packet.count<FragCountField>());
	BOOST_CHECK_EQUAL(0, packet.get<FragIndexField>(0));
	BOOST_CHECK_EQUAL(1, packet.get<FragCountField>(0));
	}

	BOOST_AUTO_TEST_CASE(DecodeFragment)
	{
	static const uint8_t inputBlock[] = {
	0x64, 0x04, // LpPacket
	0x50, 0x02, // Fragment
	0x03, 0xe8,
	};

	Packet packet;
	Block wire(inputBlock, sizeof(inputBlock));
	BOOST_CHECK_NO_THROW(packet.wireDecode(wire));
	BOOST_CHECK_EQUAL(1, packet.count<FragmentField>());
	BOOST_CHECK_EQUAL(0, packet.count<FragIndexField>());
	Buffer::const_iterator first, last;
	BOOST_REQUIRE_NO_THROW(std::tie(first, last) = packet.get<FragmentField>(0));
	BOOST_CHECK_EQUAL(2, last - first);
	BOOST_CHECK_EQUAL(0x03, *first);
	BOOST_CHECK_EQUAL(0xe8, *(last - 1));
	}

	BOOST_AUTO_TEST_CASE(DecodeNonDiscoveryHeader)
	{
	static const uint8_t inputBlock[] = {
	0x64, 0x04, // LpPacket
	0xfd, 0x03, 0x4c, 0x00, // NonDiscovery
	};

	Packet packet;
	Block wire(inputBlock, sizeof(inputBlock));
	BOOST_CHECK_NO_THROW(packet.wireDecode(wire));
	BOOST_CHECK_EQUAL(true, packet.has<NonDiscoveryField>());
	BOOST_CHECK_NO_THROW(packet.get<NonDiscoveryField>());
	}

	BOOST_AUTO_TEST_CASE(DecodeEmpty)
	{
	static const uint8_t inputBlock[] = {
	0x64, 0x00, // LpPacket
	};

	Packet packet;
	Block wire(inputBlock, sizeof(inputBlock));
	BOOST_CHECK_NO_THROW(packet.wireDecode(wire));
	BOOST_CHECK_EQUAL(0, packet.count<FragmentField>());
	BOOST_CHECK_EQUAL(0, packet.count<FragIndexField>());
	BOOST_CHECK_EQUAL(false, packet.has<NonDiscoveryField>());
	}

	BOOST_AUTO_TEST_CASE(DecodeRepeatedNonRepeatableHeader)
	{
	static const uint8_t inputBlock[] = {
	0x64, 0x06, // LpPacket
	0x52, 0x01, // FragIndex
	0x00,
	0x52, 0x01, // FragIndex
	0x01,
	};

	Packet packet;
	Block wire(inputBlock, sizeof(inputBlock));
	BOOST_CHECK_THROW(packet.wireDecode(wire), Packet::Error);
	}

	BOOST_AUTO_TEST_CASE(DecodeRepeatedRepeatableHeader)
	{
	static const uint8_t inputBlock[] = {
	0x64, 0x0f, // LpPacket
	0xfd, 0x03, 0x44, 0x01, // Ack
	0x01,
	0xfd, 0x03, 0x44, 0x01, // Ack
	0x03,
	0xfd, 0x03, 0x44, 0x01, // Ack
	0x02,
	};

	Packet packet;
	Block wire(inputBlock, sizeof(inputBlock));
	BOOST_CHECK_NO_THROW(packet.wireDecode(wire));
	BOOST_REQUIRE_EQUAL(packet.count<AckField>(), 3);
	BOOST_CHECK_EQUAL(packet.get<AckField>(), 1);
	BOOST_CHECK_EQUAL(packet.get<AckField>(0), 1);
	BOOST_CHECK_EQUAL(packet.get<AckField>(1), 3);
	BOOST_CHECK_EQUAL(packet.get<AckField>(2), 2);
	}

	BOOST_AUTO_TEST_CASE(DecodeRepeatedFragment)
	{
	static const uint8_t inputBlock[] = {
	0x64, 0x08, // LpPacket
	0x50, 0x02, // Fragment
	0x03, 0xe8,
	0x50, 0x02, // Fragment
	0x03, 0xe9,
	};

	Packet packet;
	Block wire(inputBlock, sizeof(inputBlock));
	BOOST_CHECK_THROW(packet.wireDecode(wire), Packet::Error);
	}

	BOOST_AUTO_TEST_CASE(DecodeWrongOrderAmongHeaders)
	{
	static const uint8_t inputBlock[] = {
	0x64, 0x0a, // LpPacket
	0x53, 0x01, // FragCount
	0x01,
	0x52, 0x01, // FragIndex
	0x00,
	0x50, 0x02, // Fragment
	0x03, 0xe8,
	};

	Packet packet;
	Block wire(inputBlock, sizeof(inputBlock));
	BOOST_CHECK_THROW(packet.wireDecode(wire), Packet::Error);
	}

	BOOST_AUTO_TEST_CASE(DecodeWrongOrderFragment)
	{
	static const uint8_t inputBlock[] = {
	0x64, 0x0a, // LpPacket
	0x52, 0x01, // FragIndex
	0x00,
	0x50, 0x02, // Fragment
	0x03, 0xe8,
	0x53, 0x01, // FragCount
	0x01,
	};

	Packet packet;
	Block wire(inputBlock, sizeof(inputBlock));
	BOOST_CHECK_THROW(packet.wireDecode(wire), Packet::Error);
	}

	BOOST_AUTO_TEST_CASE(DecodeIgnoredHeader)
	{
	static const uint8_t inputBlock[] = {
	0x64, 0x0c, // LpPacket
	0x52, 0x01, // FragIndex
	0x00,
	0xfd, 0x03, 0x24, 0x01, // unknown TLV-TYPE 804 (ignored)
	0x02,
	0x50, 0x02, // Fragment
	0x03, 0xe8,
	};

	Packet packet;
	Block wire(inputBlock, sizeof(inputBlock));
	BOOST_CHECK_NO_THROW(packet.wireDecode(wire));
	BOOST_CHECK_EQUAL(1, packet.count<FragmentField>());
	BOOST_CHECK_EQUAL(1, packet.count<FragIndexField>());
	}

	BOOST_AUTO_TEST_CASE(DecodeUnrecognizedHeader)
	{
	static const uint8_t inputBlock[] = {
	0x64, 0x0c, // LpPacket
	0x52, 0x01, // FragIndex
	0x00,
	0xfd, 0x03, 0x22, 0x01, // unknown TLV-TYPE 802 (cannot ignore)
	0x02,
	0x50, 0x02, // Fragment
	0x03, 0xe8,
	};

	Packet packet;
	Block wire(inputBlock, sizeof(inputBlock));
	BOOST_CHECK_THROW(packet.wireDecode(wire), Packet::Error);
	}

	BOOST_AUTO_TEST_CASE(DecodeBareNetworkLayerPacket)
	{
	static const uint8_t inputBlock[] = {
	0x05, 0x0a, // Interest
	0x07, 0x02, // Name
	0x03, 0xe8,
	0x0a, 0x04, // Nonce
	0x01, 0x02, 0x03, 0x04,
	};

	Packet packet;
	Block wire(inputBlock, sizeof(inputBlock));
	BOOST_CHECK_NO_THROW(packet.wireDecode(wire));
	BOOST_CHECK_EQUAL(1, packet.count<FragmentField>());

	Block encoded;
	BOOST_CHECK_NO_THROW(encoded = packet.wireEncode());
	BOOST_CHECK_EQUAL_COLLECTIONS(inputBlock, inputBlock + sizeof(inputBlock),
	encoded.begin(), encoded.end());
	}

	BOOST_AUTO_TEST_CASE(DecodeUnrecognizedTlvType)
	{
	Packet packet;
	Block wire = encoding::makeEmptyBlock(ndn::tlv::Name);
	BOOST_CHECK_THROW(packet.wireDecode(wire), Packet::Error);
	}

	BOOST_AUTO_TEST_SUITE_END() // TestPacket
	BOOST_AUTO_TEST_SUITE_END() // Lp

	} // namespace tests
	} // namespace lp
	} // namespace ndn