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