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

 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /*
  * Copyright (c) 2013-2018 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 "security/signature-sha256-with-rsa.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, 0x0e, // LpPacket
           0x51, 0x08, // Sequence
                 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0xe8,
           0x50, 0x02, // Fragment
                 0x03, 0xe8,
   };

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

   Packet packet;
   packet.add<FragmentField>(std::make_pair(buf.begin(), buf.end()));
   packet.add<SequenceField>(1000);
   Block 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, 0x2e, // LpPacket
           0x52, 0x01, // FragIndex
                 0x00,
           0x53, 0x01, // FragCount
                 0x01,
           0xfd, 0x03, 0x44, 0x08, // Ack
                 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02,
           0xfd, 0x03, 0x44, 0x08, // Ack
                 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x04,
           0xfd, 0x03, 0x44, 0x08, // Ack
                 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 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(DecodePrefixAnnouncement)
 {
   static const uint8_t inputBlock[] = {
     0x64, 0x70, // LpPacket
       0xfd, 0x03, 0x50, 0x3a, // PrefixAnnouncement
         0x06, 0x38, // Data
           0x07, 0x29, 0x08, 0x0d, 0x73, 0x65, 0x6c, 0x66, 0x2d, 0x6c,
           0x65, 0x61, 0x72, 0x6e, 0x69, 0x6e, 0x67, 0x08, 0x03, 0x65,
           0x64, 0x75, 0x08, 0x02, 0x75, 0x61, 0x08, 0x02, 0x63, 0x73,
           0x08, 0x04, 0x6e, 0x65, 0x77, 0x73, 0x08, 0x05, 0xfd, 0x00,
           0x03, 0xa5, 0xfe, 0x14, 0x00, 0x15, 0x00, 0x16, 0x05, 0x1b,
           0x01, 0x01, 0x1c, 0x00, 0x17, 0x00,
       0x50, 0x30, // Fragment
         0x06, 0x2e,  // Data
           0x07, 0x1f, 0x08, 0x03, 0x65, 0x64, 0x75, 0x08, 0x02, 0x75,
           0x61, 0x08, 0x02, 0x63, 0x73, 0x08, 0x04, 0x6e, 0x65, 0x77,
           0x73, 0x08, 0x0a, 0x69, 0x6e, 0x64, 0x65, 0x78, 0x2e, 0x68,
           0x74, 0x6d, 0x6c, 0x14, 0x00, 0x15, 0x00, 0x16, 0x05, 0x1b,
           0x01, 0x01, 0x1c, 0x00, 0x17, 0x00,
   };

   Data data1("/edu/ua/cs/news/index.html");
   ndn::SignatureSha256WithRsa fakeSignature;
   fakeSignature.setValue(ndn::encoding::makeEmptyBlock(ndn::tlv::SignatureValue));
   data1.setSignature(fakeSignature);

   Block wire;
   wire = data1.wireEncode();
   Packet packet;
   BOOST_CHECK_NO_THROW(packet.wireDecode(wire));

   Name name("/self-learning/edu/ua/cs/news");
   name.appendVersion(239102);
   Data data2(name);
   fakeSignature.setValue(ndn::encoding::makeEmptyBlock(ndn::tlv::SignatureValue));
   data2.setSignature(fakeSignature);
   data2.wireEncode();

   PrefixAnnouncement pa;
   pa.setData(make_shared<Data>(data2));

   BOOST_CHECK_NO_THROW(packet.add<PrefixAnnouncementField>(pa));
   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) 2013-2018 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 "security/signature-sha256-with-rsa.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, 0x0e, // LpPacket
	0x51, 0x08, // Sequence
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0xe8,
	0x50, 0x02, // Fragment
	0x03, 0xe8,
	};

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

	Packet packet;
	packet.add<FragmentField>(std::make_pair(buf.begin(), buf.end()));
	packet.add<SequenceField>(1000);
	Block 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, 0x2e, // LpPacket
	0x52, 0x01, // FragIndex
	0x00,
	0x53, 0x01, // FragCount
	0x01,
	0xfd, 0x03, 0x44, 0x08, // Ack
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02,
	0xfd, 0x03, 0x44, 0x08, // Ack
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x04,
	0xfd, 0x03, 0x44, 0x08, // Ack
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 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(DecodePrefixAnnouncement)
	{
	static const uint8_t inputBlock[] = {
	0x64, 0x70, // LpPacket
	0xfd, 0x03, 0x50, 0x3a, // PrefixAnnouncement
	0x06, 0x38, // Data
	0x07, 0x29, 0x08, 0x0d, 0x73, 0x65, 0x6c, 0x66, 0x2d, 0x6c,
	0x65, 0x61, 0x72, 0x6e, 0x69, 0x6e, 0x67, 0x08, 0x03, 0x65,
	0x64, 0x75, 0x08, 0x02, 0x75, 0x61, 0x08, 0x02, 0x63, 0x73,
	0x08, 0x04, 0x6e, 0x65, 0x77, 0x73, 0x08, 0x05, 0xfd, 0x00,
	0x03, 0xa5, 0xfe, 0x14, 0x00, 0x15, 0x00, 0x16, 0x05, 0x1b,
	0x01, 0x01, 0x1c, 0x00, 0x17, 0x00,
	0x50, 0x30, // Fragment
	0x06, 0x2e, // Data
	0x07, 0x1f, 0x08, 0x03, 0x65, 0x64, 0x75, 0x08, 0x02, 0x75,
	0x61, 0x08, 0x02, 0x63, 0x73, 0x08, 0x04, 0x6e, 0x65, 0x77,
	0x73, 0x08, 0x0a, 0x69, 0x6e, 0x64, 0x65, 0x78, 0x2e, 0x68,
	0x74, 0x6d, 0x6c, 0x14, 0x00, 0x15, 0x00, 0x16, 0x05, 0x1b,
	0x01, 0x01, 0x1c, 0x00, 0x17, 0x00,
	};

	Data data1("/edu/ua/cs/news/index.html");
	ndn::SignatureSha256WithRsa fakeSignature;
	fakeSignature.setValue(ndn::encoding::makeEmptyBlock(ndn::tlv::SignatureValue));
	data1.setSignature(fakeSignature);

	Block wire;
	wire = data1.wireEncode();
	Packet packet;
	BOOST_CHECK_NO_THROW(packet.wireDecode(wire));

	Name name("/self-learning/edu/ua/cs/news");
	name.appendVersion(239102);
	Data data2(name);
	fakeSignature.setValue(ndn::encoding::makeEmptyBlock(ndn::tlv::SignatureValue));
	data2.setSignature(fakeSignature);
	data2.wireEncode();

	PrefixAnnouncement pa;
	pa.setData(make_shared<Data>(data2));

	BOOST_CHECK_NO_THROW(packet.add<PrefixAnnouncementField>(pa));
	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