Packets/MPEGDVBBundle/TLVPacket.test.cc

   1 // $Id$
   2 //
   3 // Copyright (C) 2007
   4 // Fraunhofer Institute for Open Communication Systems (FOKUS)
   5 // Competence Center NETwork research (NET), St. Augustin, GERMANY
   6 //     Thorsten Horstmann <tho@berlios.de>
   7 //
   8 // This program is free software; you can redistribute it and/or modify
   9 // it under the terms of the GNU General Public License as published by
  10 // the Free Software Foundation; either version 2 of the License, or
  11 // (at your option) any later version.
  12 //
  13 // This program is distributed in the hope that it will be useful,
  14 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 // GNU General Public License for more details.
  17 //
  18 // You should have received a copy of the GNU General Public License
  19 // along with this program; if not, write to the
  20 // Free Software Foundation, Inc.,
  21 // 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  22
  23 // Unit tests
  24
  25 //#include "TLVPacket.test.hh"
  26 //#include "TLVPacket.test.ih"
  27
  28 // Custom includes
  29 #include "TLVPacket.hh"
  30 #include <senf/Packets.hh>
  31
  32 #include "../../Utils/auto_unit_test.hh"
  33 #include <boost/test/test_tools.hpp>
  34 #include <vector>
  35
  36 #define prefix_
  37 ///////////////////////////////cc.p////////////////////////////////////////
  38
  39 using namespace senf;
  40
  41
  42 template <class TLVPacketType>
  43 void check_TLVPacket(TLVPacketType tlvPacket, boost::uint32_t type, boost::uint32_t length)
  44 {
  45     BOOST_CHECK_EQUAL( tlvPacket->type(), type );
  46     BOOST_CHECK_EQUAL( tlvPacket->length(), length );
  47
  48     PacketData & tlvPacket_value (tlvPacket.next().data());
  49     BOOST_CHECK_EQUAL( tlvPacket_value.size(), length);
  50     for (int i=0, j=tlvPacket_value.size(); i<j; i++)
  51         BOOST_CHECK_EQUAL( tlvPacket_value[i], i );
  52 }
  53
  54
  55 BOOST_AUTO_UNIT_TEST(TLVPacket_static)
  56 {
  57     // check static values:
  58     // number of bytes to allocate for a new TLVPacket should be 5
  59     BOOST_CHECK_EQUAL( TLVPacket::type::initSize(), 5u );
  60 }
  61
  62 BOOST_AUTO_UNIT_TEST(TLVPacket_parse_packet_with_simple_length)
  63 {
  64     unsigned char data[] = {
  65         0x01, 0x23, 0x45, 0x67, // type
  66         0x0A, // first bit not set, length=10
  67         0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09 // value (payload)
  68     };
  69     senf::TLVPacket tlvPacket (senf::TLVPacket::create(data));
  70     check_TLVPacket( tlvPacket, 0x01234567u, 0x0Au );
  71 }
  72
  73 BOOST_AUTO_UNIT_TEST(TLVPacket_parse_packet_with_extended_length)
  74 {
  75     unsigned char data[] = {
  76         0x01, 0x23, 0x45, 0x67, // type
  77         0x81, // first and last bit set => one byte length following
  78         0x0A, // length (10 bytes value)
  79         0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09 // value (payload)
  80     };
  81     senf::TLVPacket tlvPacket (senf::TLVPacket::create(data));
  82     check_TLVPacket( tlvPacket, 0x01234567u, 0x0Au );
  83 }
  84
  85 BOOST_AUTO_UNIT_TEST(TLVPacket_create_packet_with_simple_length)
  86 {
  87     std::string payload ("Hello, world!");
  88     TLVPacket tlvPacket (TLVPacket::create());
  89     tlvPacket->type() = 42u;
  90     DataPacket::createAfter( tlvPacket, payload );
  91     tlvPacket.finalize();
  92
  93     BOOST_CHECK_EQUAL( tlvPacket->type(), 42u);
  94     BOOST_CHECK_EQUAL( tlvPacket->length(), 13u);
  95
  96     PacketData & tlvPacket_value (tlvPacket.next().data());
  97     BOOST_CHECK( equal( tlvPacket_value.begin(), tlvPacket_value.end(), payload.begin() ));
  98 }
  99
 100
 101 BOOST_AUTO_UNIT_TEST(TLVPacket_create_packet_with_extended_length)
 102 {
 103     std::string payload (
 104             "This is a very long string with more than 127 characters to check if the TLV-Packet "
 105             "works correctly with an extended length. That's all." );
 106     TLVPacket tlvPacket (TLVPacket::create());
 107     tlvPacket->type() = 42u;
 108     DataPacket::createAfter( tlvPacket, payload );
 109     tlvPacket.finalize();
 110
 111     BOOST_CHECK_EQUAL( tlvPacket->type(), 42u );
 112     BOOST_CHECK_EQUAL( tlvPacket->length(), payload.size() );
 113
 114     PacketData & tlvPacket_value (tlvPacket.next().data());
 115     BOOST_CHECK( equal( tlvPacket_value.begin(), tlvPacket_value.end(), payload.begin() ));
 116
 117     payload = std::string("This is a short string with less than 127 characters. That's all.");
 118     DataPacket::createAfter( tlvPacket, payload );
 119     tlvPacket.finalize();
 120
 121     BOOST_CHECK_EQUAL( tlvPacket->type(), 42u );
 122     BOOST_CHECK_EQUAL( tlvPacket->length(), payload.size() );
 123
 124     PacketData & tlvPacket_value2 (tlvPacket.next().data());
 125     BOOST_CHECK( equal( tlvPacket_value2.begin(), tlvPacket_value2.end(), payload.begin() ));
 126 }
 127
 128 BOOST_AUTO_UNIT_TEST(TLVPacket_create_invalid_packet)
 129 {
 130
 131 }
 132
 133 BOOST_AUTO_UNIT_TEST(TLVFixPacket_static)
 134 {
 135     // check static values:
 136     // number of bytes to allocate for a new TLVFixPacket should be 4+bytes_of_length
 137     BOOST_CHECK_EQUAL( TLVFix8Packet::type::initSize(),  4+1u );
 138     BOOST_CHECK_EQUAL( TLVFix16Packet::type::initSize(), 4+2u );
 139     BOOST_CHECK_EQUAL( TLVFix24Packet::type::initSize(), 4+3u );
 140     BOOST_CHECK_EQUAL( TLVFix32Packet::type::initSize(), 4+4u );
 141 }
 142
 143
 144 template <class TLVFixPacketType>
 145 void test_TLVFixPacket_parsing(unsigned lengthParser_size)
 146 {
 147     std::vector<char> data;
 148     data.push_back(0x01); data.push_back(0x23); data.push_back(0x45); data.push_back(0x67); // type
 149     data.insert(data.end(), lengthParser_size-1, 0x00);
 150     data.push_back(0x0A); // length
 151     for( int i=0; i < 10; i++ ) {
 152         data.push_back(i); // payload
 153     }
 154     TLVFixPacketType tlvPacket (TLVFixPacketType::create(
 155             boost::make_iterator_range(data.begin(), data.end())));
 156     check_TLVPacket( tlvPacket, 0x01234567u, 0x0Au );
 157 }
 158
 159 BOOST_AUTO_UNIT_TEST(TLVFixPacket_parse_packet)
 160 {
 161     test_TLVFixPacket_parsing<TLVFix8Packet>( UInt8Parser::fixed_bytes);
 162     test_TLVFixPacket_parsing<TLVFix16Packet>( UInt16Parser::fixed_bytes);
 163     test_TLVFixPacket_parsing<TLVFix24Packet>( UInt24Parser::fixed_bytes);
 164     test_TLVFixPacket_parsing<TLVFix32Packet>( UInt32Parser::fixed_bytes);
 165 }
 166
 167
 168 template <class TLVFixPacketType>
 169 void test_TLVFixPacket_creating()
 170 {
 171     std::string payload ("Hello, world!");
 172     TLVFixPacketType tlvPacket (TLVFixPacketType::create());
 173     tlvPacket->type() = 42u;
 174     DataPacket::createAfter( tlvPacket, payload );
 175     tlvPacket.finalize();
 176
 177     BOOST_CHECK_EQUAL( tlvPacket->type(), 42u);
 178     BOOST_CHECK_EQUAL( tlvPacket->length(), 13u);
 179
 180     PacketData & tlvPacket_value (tlvPacket.next().data());
 181     BOOST_CHECK( equal( tlvPacket_value.begin(), tlvPacket_value.end(), payload.begin() ));
 182 }
 183
 184 BOOST_AUTO_UNIT_TEST(TLVFixPacket_create_packet)
 185 {
 186     test_TLVFixPacket_creating<TLVFix8Packet>();
 187     test_TLVFixPacket_creating<TLVFix16Packet>();
 188     test_TLVFixPacket_creating<TLVFix24Packet>();
 189     test_TLVFixPacket_creating<TLVFix32Packet>();
 190 }
 191
 192
 193 template <class TLVFixPacketType>
 194 void test_invalid_TLVFixPacket_creating(boost::uint32_t max_value)
 195 {
 196     TLVFixPacketType tlvPacket (TLVFixPacketType::create());
 197     tlvPacket->type() = 42u;
 198     DataPacket payload (DataPacket::createAfter( tlvPacket, max_value+1));
 199     //DataPacket::createAfter( payload, 1); // this is one byte to much.
 200     BOOST_CHECK_THROW( tlvPacket.finalize(), UnsuportedTLVPacketException);
 201 }
 202
 203 BOOST_AUTO_UNIT_TEST(TLVFixPacket_create_invalid_packet)
 204 {
 205     test_invalid_TLVFixPacket_creating<TLVFix8Packet> ( UInt8Parser::max_value);
 206     test_invalid_TLVFixPacket_creating<TLVFix16Packet>( UInt16Parser::max_value);
 207     test_invalid_TLVFixPacket_creating<TLVFix24Packet>( UInt24Parser::max_value);
 208     //test_invalid_TLVFixPacket_creating<TLVFix32Packet>( UInt32Parser::max_value);
 209 }
 210
 211
 212 ///////////////////////////////cc.e////////////////////////////////////////
 213 #undef prefix_
 214
 215 \f
 216 // Local Variables:
 217 // mode: c++
 218 // fill-column: 100
 219 // c-file-style: "senf"
 220 // indent-tabs-mode: nil
 221 // ispell-local-dictionary: "american"
 222 // compile-command: "scons -u test"
 223 // comment-column: 40
 224 // End: