Packets/DefaultBundle/IPv4Packet.test.cc

   1 // $Id$
   2 //
   3 // Copyright (C) 2006
   4 // Fraunhofer Institute for Open Communication Systems (FOKUS)
   5 // Competence Center NETwork research (NET), St. Augustin, GERMANY
   6 //     Stefan Bund <g0dil@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 "IPv4Packet.test.hh"
  26 //#include "IPv4Packet.test.ih"
  27
  28 // Custom includes
  29 #include "IPv4Packet.hh"
  30 #include "UDPPacket.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 BOOST_AUTO_UNIT_TEST(ipV4Packet_parse)
  41 {
  42     unsigned char data[] = {
  43             0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08,
  44             0x09, 0x0A, 0x0B, 0x0C, 0x11, 0x12, 0x13, 0x14,
  45             0x15, 0x16, 0x17, 0x18
  46     };
  47
  48     senf::IPv4Packet p (senf::IPv4Packet::create(data));
  49
  50     BOOST_CHECK_EQUAL( p->version(),     0x00u       );
  51     BOOST_CHECK_EQUAL( p->ihl(),         0x01u       );
  52     BOOST_CHECK_EQUAL( p->tos(),         0x02u       );
  53     BOOST_CHECK_EQUAL( p->length(),      0x0304u     );
  54     BOOST_CHECK_EQUAL( p->identifier(),  0x0506u     );
  55     BOOST_CHECK_EQUAL( p->df(),          0           );
  56     BOOST_CHECK_EQUAL( p->mf(),          0           );
  57     BOOST_CHECK_EQUAL( p->frag(),        0x0708u     );
  58     BOOST_CHECK_EQUAL( p->ttl(),         0x09u       );
  59     BOOST_CHECK_EQUAL( p->protocol(),    0x0Au       );
  60     BOOST_CHECK_EQUAL( p->checksum(),    0x0B0Cu     );
  61     BOOST_CHECK_EQUAL( p->source().value(), senf::INet4Address(0x11121314u) );
  62     BOOST_CHECK_EQUAL( p->destination().value(), senf::INet4Address(0x15161718u) );
  63
  64     std::ostringstream oss (std::ostringstream::out);
  65     SENF_CHECK_NO_THROW( p.dump( oss));
  66 }
  67
  68 BOOST_AUTO_UNIT_TEST(ipV4Packet_create)
  69 {
  70     senf::IPv4Packet ip (senf::IPv4Packet::create());
  71
  72     BOOST_CHECK_EQUAL( ip->version(), 4u );
  73     BOOST_CHECK_EQUAL( ip->ihl(), 5u );
  74     BOOST_CHECK_EQUAL( ip.size(), 20u );
  75
  76     senf::UDPPacket udp (senf::UDPPacket::createAfter(ip));
  77
  78     BOOST_CHECK( ! ip->validateChecksum() );
  79
  80     ip.finalizeAll();
  81     BOOST_CHECK_EQUAL( ip->length(), 28u );
  82     BOOST_CHECK_EQUAL( ip->protocol(), 17u );
  83     BOOST_CHECK_EQUAL( ip->checksum(), 0xbad2 );
  84
  85     // Check, that the checksum field is correctly skipped
  86     ip.finalizeAll();
  87     BOOST_CHECK_EQUAL( ip->checksum(), 0xbad2 );
  88
  89     BOOST_CHECK( ip->validateChecksum() );
  90 }
  91
  92 ///////////////////////////////cc.e////////////////////////////////////////
  93 #undef prefix_
  94
  95
  96 // Local Variables:
  97 // mode: c++
  98 // fill-column: 100
  99 // c-file-style: "senf"
 100 // indent-tabs-mode: nil
 101 // ispell-local-dictionary: "american"
 102 // compile-command: "scons -u test"
 103 // comment-column: 40
 104 // End: