Packets/80221Bundle/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 "../DefaultBundle/EthernetPacket.hh"
  31
  32 #include "../../Utils/auto_unit_test.hh"
  33 #include <boost/test/test_tools.hpp>
  34
  35 #define prefix_
  36 ///////////////////////////////cc.p////////////////////////////////////////
  37
  38 using namespace senf;
  39
  40 namespace {
  41
  42 void check_TLVPacket(GenericTLVPacket &tlvPacket, boost::uint8_t type, boost::uint32_t length)
  43 {
  44     BOOST_CHECK_EQUAL( tlvPacket->type(),         type   );
  45     BOOST_CHECK_EQUAL( tlvPacket->length(),       length );
  46     BOOST_CHECK_EQUAL( tlvPacket->value().size(), int(length) );
  47     senf::PacketData::iterator dataIterator (tlvPacket->value().begin());
  48     for (unsigned i=0; i<length; i++) {
  49         BOOST_CHECK_EQUAL( *dataIterator, i );
  50         dataIterator++;
  51     }
  52 }
  53 }
  54
  55
  56 BOOST_AUTO_UNIT_TEST(GenericTLVPacket_parse_packet_with_simple_length)
  57 {
  58     unsigned char data[] = {
  59         0x01, // type
  60         0x0A, // first bit not set, length=10
  61         0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09 // value
  62     };
  63     GenericTLVPacket tlvPacket (GenericTLVPacket::create(data));
  64     check_TLVPacket( tlvPacket, 0x01, 0x0Au );
  65 }
  66
  67
  68 BOOST_AUTO_UNIT_TEST(GenericTLVPacket_parse_packet_with_extended_length)
  69 {
  70     unsigned char data[] = {
  71         0x01, // type
  72         0x81, // first and last bit set => one byte length following
  73         0x0A, // length (10 bytes value)
  74         0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09 // value
  75     };
  76     GenericTLVPacket tlvPacket (GenericTLVPacket::create(data));
  77     check_TLVPacket( tlvPacket, 0x01, 0x0Au );
  78 }
  79
  80
  81 BOOST_AUTO_UNIT_TEST(GenericTLVPacket_create_packet_with_simple_length)
  82 {
  83     unsigned char value[] = {
  84            0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09
  85     };
  86     GenericTLVPacket tlvPacket (GenericTLVPacket::create());
  87     tlvPacket->type() = 42u;
  88     tlvPacket->value( value);
  89     tlvPacket.finalizeThis();
  90
  91     check_TLVPacket( tlvPacket, 42u, 0x0Au );
  92
  93     unsigned char data[] = {
  94         0x2a, // type
  95         0x0A, // first bit not set, length=10
  96         0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09 // value
  97     };
  98     BOOST_CHECK( equal( tlvPacket.data().begin(), tlvPacket.data().end(), data ));
  99 }
 100
 101
 102 BOOST_AUTO_UNIT_TEST(GenericTLVPacket_create_packet_with_extended_length)
 103 {
 104     unsigned char value[255];
 105     for (unsigned i=0; i<sizeof(value); i++)
 106         value[i] = i;
 107     GenericTLVPacket tlvPacket (GenericTLVPacket::create());
 108     tlvPacket->type() = 42u;
 109     tlvPacket->value( value);
 110     tlvPacket.finalizeThis();
 111
 112     check_TLVPacket( tlvPacket, 42u, sizeof(value) );
 113
 114     unsigned char data[] = {
 115         0x2a, // type
 116         0x81, // first and last bit set => one byte length following
 117         0xff, // length (255 bytes value)
 118         0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09 // first bytes of value
 119     };
 120     BOOST_CHECK( equal(
 121             tlvPacket.data().begin(),
 122             boost::next( tlvPacket.data().begin(), sizeof(data)),
 123             data ));
 124 }
 125
 126
 127 BOOST_AUTO_UNIT_TEST(GenericTLVPacket_create_invalid_packet)
 128 {
 129     GenericTLVPacket tlvPacket (GenericTLVPacket::create());
 130     tlvPacket->type() = 42u;
 131     tlvPacket.finalizeThis();
 132
 133     unsigned char value[255];
 134     for (unsigned i=0; i<sizeof(value); i++)
 135         value[i] = i;
 136
 137     BOOST_CHECK_THROW( tlvPacket->value( value), TLVLengthException);
 138     tlvPacket->maxLengthValue( sizeof(value));
 139     tlvPacket->value( value);
 140     tlvPacket.finalizeThis();
 141     check_TLVPacket( tlvPacket, 42u, sizeof(value) );
 142 }
 143
 144
 145 namespace {
 146
 147     struct TestMacAddressTLVPacketParser : public BaseTLVPacketParser
 148     {
 149     #   include SENF_PARSER()
 150         SENF_PARSER_INHERIT ( BaseTLVPacketParser );
 151         SENF_PARSER_VECTOR  ( value, bytes(length), senf::MACAddressParser );
 152         SENF_PARSER_FINALIZE( TestMacAddressTLVPacketParser );
 153     };
 154
 155     struct TestMacAddressTLVPacketType
 156         : public PacketTypeBase,
 157           public PacketTypeMixin<TestMacAddressTLVPacketType>
 158     {
 159         typedef PacketTypeMixin<TestMacAddressTLVPacketType> mixin;
 160         typedef TestMacAddressTLVPacketParser parser;
 161
 162         using mixin::nextPacketRange;
 163         using mixin::init;
 164         using mixin::initSize;
 165
 166         static void finalize(ConcretePacket<TestMacAddressTLVPacketType> p) {
 167             p->shrinkLength();
 168         }
 169     };
 170     typedef ConcretePacket<TestMacAddressTLVPacketType> TestMacAddressTLVPacket;
 171 }
 172
 173 BOOST_AUTO_UNIT_TEST(TestMacAddressTLVPacket_create)
 174 {
 175     TestMacAddressTLVPacket tlvPacket (TestMacAddressTLVPacket::create());
 176     tlvPacket->type() = 42;
 177     tlvPacket->value().push_back( senf::MACAddress::from_string("01:23:45:67:89:ab") );
 178     tlvPacket->value().push_back( senf::MACAddress::from_string("cd:ef:01:23:45:67") );
 179     tlvPacket.finalizeThis();
 180
 181     unsigned char data[] = {
 182         0x2a, // type
 183         0x0c, // length
 184         0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef, 0x01, 0x23, 0x45, 0x67  // value
 185     };
 186     BOOST_CHECK( equal( tlvPacket.data().begin(), tlvPacket.data().end(), data ));
 187 }
 188
 189
 190 ///////////////////////////////cc.e////////////////////////////////////////
 191 #undef prefix_
 192
 193
 194 // Local Variables:
 195 // mode: c++
 196 // fill-column: 100
 197 // c-file-style: "senf"
 198 // indent-tabs-mode: nil
 199 // ispell-local-dictionary: "american"
 200 // compile-command: "scons -u test"
 201 // comment-column: 40
 202 // End: