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 /** \file
  24     \brief TLVPacket unit tests */
  25
  26 //#include "TLVPacket.test.hh"
  27 //#include "TLVPacket.test.ih"
  28
  29 // Custom includes
  30 #include "TLVPacket.hh"
  31 #include "../DefaultBundle/EthernetPacket.hh"
  32
  33 #include "../../Utils/auto_unit_test.hh"
  34 #include <boost/test/test_tools.hpp>
  35
  36 #define prefix_
  37 ///////////////////////////////cc.p////////////////////////////////////////
  38
  39 using namespace senf;
  40
  41 namespace {
  42
  43 void check_TLVPacket(GenericTLVPacket &tlvPacket, boost::uint8_t type, boost::uint32_t length)
  44 {
  45     BOOST_CHECK_EQUAL( tlvPacket->type(),         type   );
  46     BOOST_CHECK_EQUAL( tlvPacket->length(),       length );
  47     BOOST_CHECK_EQUAL( tlvPacket->value().size(), int(length) );
  48     std::ostringstream oss (std::ostringstream::out);
  49     SENF_CHECK_NO_THROW( tlvPacket.dump( oss));
  50     senf::PacketData::iterator dataIterator (tlvPacket->value().begin());
  51     for (unsigned i=0; i<length; i++) {
  52         BOOST_CHECK_EQUAL( *dataIterator, i );
  53         dataIterator++;
  54     }
  55 }
  56 }
  57
  58
  59 BOOST_AUTO_UNIT_TEST(GenericTLVPacket_parse_packet_with_simple_length)
  60 {
  61     unsigned char data[] = {
  62         0x01, // type
  63         0x0A, // first bit not set, length=10
  64         0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09 // value
  65     };
  66     GenericTLVPacket tlvPacket (GenericTLVPacket::create(data));
  67     check_TLVPacket( tlvPacket, 0x01, 0x0Au );
  68 }
  69
  70
  71 BOOST_AUTO_UNIT_TEST(GenericTLVPacket_parse_packet_with_extended_length)
  72 {
  73     unsigned char data[] = {
  74         0x01, // type
  75         0x81, // first and last bit set => one byte length following
  76         0x0A, // length (10 bytes value)
  77         0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09 // value
  78     };
  79     GenericTLVPacket tlvPacket (GenericTLVPacket::create(data));
  80     check_TLVPacket( tlvPacket, 0x01, 0x0Au );
  81 }
  82
  83
  84 BOOST_AUTO_UNIT_TEST(GenericTLVPacket_create_packet_with_simple_length)
  85 {
  86     unsigned char value[] = {
  87            0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09
  88     };
  89     GenericTLVPacket tlvPacket (GenericTLVPacket::create());
  90     tlvPacket->type() = 42u;
  91     tlvPacket->value( value);
  92     tlvPacket.finalizeThis();
  93
  94     check_TLVPacket( tlvPacket, 42u, 0x0Au );
  95
  96     unsigned char data[] = {
  97         0x2a, // type
  98         0x0A, // first bit not set, length=10
  99         0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09 // value
 100     };
 101     BOOST_CHECK( equal( tlvPacket.data().begin(), tlvPacket.data().end(), data ));
 102 }
 103
 104
 105 BOOST_AUTO_UNIT_TEST(GenericTLVPacket_create_packet_with_extended_length)
 106 {
 107     unsigned char value[255];
 108     for (unsigned i=0; i<sizeof(value); i++)
 109         value[i] = i;
 110     GenericTLVPacket tlvPacket (GenericTLVPacket::create());
 111     tlvPacket->maxLengthValue( DynamicTLVLengthParser::max_value);
 112     tlvPacket->type() = 42u;
 113     tlvPacket->value( value);
 114     tlvPacket.finalizeThis();
 115
 116     check_TLVPacket( tlvPacket, 42u, sizeof(value) );
 117
 118     unsigned char data[] = {
 119         0x2a, // type
 120         0x81, // first and last bit set => one byte length following
 121         0xff, // length (255 bytes value)
 122         0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09 // first bytes of value
 123     };
 124     BOOST_CHECK( equal(
 125             tlvPacket.data().begin(),
 126             boost::next( tlvPacket.data().begin(), sizeof(data)),
 127             data ));
 128 }
 129
 130
 131 BOOST_AUTO_UNIT_TEST(GenericTLVPacket_create_invalid_packet)
 132 {
 133     GenericTLVPacket tlvPacket (GenericTLVPacket::create());
 134     tlvPacket->type() = 42u;
 135     tlvPacket.finalizeThis();
 136
 137     unsigned char value[255];
 138     for (unsigned i=0; i<sizeof(value); i++)
 139         value[i] = i;
 140
 141     BOOST_CHECK_THROW( tlvPacket->value( value), TLVLengthException);
 142     tlvPacket->maxLengthValue( sizeof(value));
 143     tlvPacket->value( value);
 144     tlvPacket.finalizeThis();
 145     check_TLVPacket( tlvPacket, 42u, sizeof(value) );
 146 }
 147
 148
 149 namespace {
 150
 151     struct TestMacAddressTLVPacketParser : public BaseTLVPacketParser
 152     {
 153     #   include SENF_PARSER()
 154         SENF_PARSER_INHERIT ( BaseTLVPacketParser );
 155         SENF_PARSER_VECTOR  ( value, bytes(length), senf::MACAddressParser );
 156         SENF_PARSER_FINALIZE( TestMacAddressTLVPacketParser );
 157     };
 158
 159     struct TestMacAddressTLVPacketType
 160         : public PacketTypeBase,
 161           public PacketTypeMixin<TestMacAddressTLVPacketType>
 162     {
 163         typedef PacketTypeMixin<TestMacAddressTLVPacketType> mixin;
 164         typedef TestMacAddressTLVPacketParser parser;
 165
 166         using mixin::nextPacketRange;
 167         using mixin::init;
 168         using mixin::initSize;
 169
 170         static void finalize(ConcretePacket<TestMacAddressTLVPacketType> p) {
 171             p->shrinkLength();
 172         }
 173     };
 174     typedef ConcretePacket<TestMacAddressTLVPacketType> TestMacAddressTLVPacket;
 175 }
 176
 177 BOOST_AUTO_UNIT_TEST(TestMacAddressTLVPacket_create)
 178 {
 179     TestMacAddressTLVPacket tlvPacket (TestMacAddressTLVPacket::create());
 180     tlvPacket->type() = 42;
 181     tlvPacket->value().push_back( senf::MACAddress::from_string("01:23:45:67:89:ab") );
 182     tlvPacket->value().push_back( senf::MACAddress::from_string("cd:ef:01:23:45:67") );
 183     tlvPacket.finalizeThis();
 184
 185     unsigned char data[] = {
 186         0x2a, // type
 187         0x0c, // length
 188         0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef, 0x01, 0x23, 0x45, 0x67  // value
 189     };
 190     BOOST_CHECK( equal( tlvPacket.data().begin(), tlvPacket.data().end(), data ));
 191 }
 192
 193
 194 ///////////////////////////////cc.e////////////////////////////////////////
 195 #undef prefix_
 196
 197
 198 // Local Variables:
 199 // mode: c++
 200 // fill-column: 100
 201 // c-file-style: "senf"
 202 // indent-tabs-mode: nil
 203 // ispell-local-dictionary: "american"
 204 // compile-command: "scons -u test"
 205 // comment-column: 40
 206 // End: