senf/Packets/ListBParser.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 //     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 /** \file
  24     \brief ListBParser unit tests */
  25
  26 //#include "ListBParser.test.hh"
  27 //#include "ListBParser.test.ih"
  28
  29 // Custom includes
  30 #include "Packets.hh"
  31
  32 #include <senf/Utils/auto_unit_test.hh>
  33 #include <boost/test/test_tools.hpp>
  34
  35 #define prefix_
  36 ///////////////////////////////cc.p////////////////////////////////////////
  37
  38 namespace {
  39     struct VoidPacket : public senf::PacketTypeBase
  40     {};
  41
  42     struct VectorParser : public senf::PacketParserBase
  43     {
  44 #       include SENF_PARSER()
  45
  46         SENF_PARSER_PRIVATE_FIELD( size, senf::UInt8Parser );
  47         SENF_PARSER_VECTOR( vec, size, senf::UInt16Parser );
  48
  49         SENF_PARSER_FINALIZE(VectorParser);
  50
  51         typedef std::vector<boost::uint16_t> value_type;
  52
  53         value_type value() const {
  54             value_type v (vec().begin(), vec().end());
  55             return v;
  56         }
  57         void value(value_type const & v) {
  58             vec_t::container container (vec());
  59             container.clear();
  60             for (value_type::const_iterator i=v.begin(); i!=v.end(); ++i)
  61                 container.push_back( *i);
  62         }
  63         operator value_type() const { return value(); }
  64         VectorParser const & operator= (value_type const & other) { value(other); return *this; }
  65     };
  66
  67     typedef senf::ListParser<
  68         senf::detail::ListBParser_Policy<
  69             VectorParser,
  70             senf::detail::PrefixAuxParserPolicy<senf::UInt16Parser> > > MyListBParser;
  71 }
  72
  73 SENF_AUTO_UNIT_TEST(ListBParser)
  74 {
  75     senf::PacketInterpreterBase::ptr pi (senf::PacketInterpreter<VoidPacket>::create(
  76             MyListBParser::init_bytes));
  77
  78     MyListBParser p (pi->data().begin(),&pi->data());
  79     p.init();
  80     BOOST_CHECK_EQUAL( p.size(), 0u );
  81     BOOST_CHECK_EQUAL( p.bytes(), 2u );
  82     BOOST_CHECK( p.empty() );
  83
  84     // the mutators are really tested together with the container wrappers since they are based
  85     // on the container wrapper. Here we only need one call to make the list larger ...
  86
  87     p.push_back_space();
  88     p = MyListBParser(pi->data().begin(),&pi->data());
  89     BOOST_CHECK_EQUAL( p.bytes(), 3u );
  90     BOOST_CHECK_EQUAL( p.size(), 1u );
  91     BOOST_CHECK( ! p.empty() );
  92 }
  93
  94 SENF_AUTO_UNIT_TEST(ListBParser_container)
  95 {
  96     senf::PacketInterpreterBase::ptr pi (senf::PacketInterpreter<VoidPacket>::create(
  97             MyListBParser::init_bytes));
  98
  99     {
 100         MyListBParser::container c (MyListBParser(pi->data().begin(),&pi->data()));
 101
 102         BOOST_CHECK_EQUAL( c.size(), 0u );
 103         BOOST_CHECK_EQUAL( c.bytes(), 2u );
 104         BOOST_CHECK( c.begin() == c.end() );
 105
 106         c.shift(c.begin());
 107         BOOST_CHECK_EQUAL( c.size(), 1u );
 108         BOOST_CHECK_EQUAL( c.bytes(), 3u );
 109
 110         BOOST_CHECK_EQUAL( c.front().vec().size(), 0u );
 111         c.front().vec().push_back(0x1234u);
 112         BOOST_CHECK_EQUAL( c.bytes(), 5u );
 113
 114         {
 115             senf::PacketInterpreterBase::ptr pi2 (senf::PacketInterpreter<VoidPacket>::create(
 116                     MyListBParser::init_bytes));
 117             MyListBParser::container c2 (MyListBParser(pi2->data().begin(),&pi2->data()));
 118             {
 119                 VectorParser::vec_t::container c2v (c2.push_back_space().vec());
 120                 c2v.push_back(0x2345u);
 121                 c2v.push_back(0x3456u);
 122             }
 123
 124             BOOST_CHECK_EQUAL(c2.size(), 1u);
 125             BOOST_CHECK_EQUAL(c2.bytes(), 7u);
 126
 127             c.insert(c.end(),c2.back());
 128             BOOST_CHECK_EQUAL( c.size(), 2u );
 129             BOOST_CHECK_EQUAL( c.bytes(), 10u );
 130             BOOST_CHECK_EQUAL( c.back().vec()[0], 0x2345u );
 131             BOOST_CHECK_EQUAL( c.back().bytes(), c2.back().bytes() );
 132
 133             c2.back().vec()[0] << 0x1357u;
 134             c.insert(boost::next(c.begin()), 2u, c2.back());
 135             BOOST_CHECK_EQUAL( c.size(), 4u );
 136             BOOST_CHECK_EQUAL( c.bytes(), 20u );
 137             BOOST_CHECK_EQUAL( (*boost::next(c.begin())).vec()[0], 0x1357u );
 138             BOOST_CHECK_EQUAL( (*boost::next(c.begin(),2)).vec()[0], 0x1357u );
 139
 140             c2.back().vec()[0] << 0x2468u;
 141             c.insert(c.begin(),c2.begin(),c2.end());
 142             BOOST_CHECK_EQUAL( c.size(), 5u );
 143             BOOST_CHECK_EQUAL( c.bytes(), 25u );
 144             BOOST_CHECK_EQUAL( c.front().vec()[0], 0x2468u );
 145
 146             c.erase(c.begin(),2);
 147             BOOST_CHECK_EQUAL( c.size(), 3u );
 148             BOOST_CHECK_EQUAL( c.bytes(), 17u );
 149             BOOST_CHECK_EQUAL( c.front().vec()[0],0x1357u );
 150             BOOST_CHECK_EQUAL( c.back().vec()[0], 0x2345u );
 151
 152             c.erase((boost::next(c.begin(),2)),c.end());
 153             BOOST_CHECK_EQUAL( c.size(), 2u );
 154             BOOST_CHECK_EQUAL( c.bytes(), 12u );
 155             BOOST_CHECK_EQUAL( c.front().vec()[0],0x1357u );
 156             BOOST_CHECK_EQUAL( c.back().vec()[0], 0x1357u );
 157
 158             c.clear();
 159             BOOST_CHECK_EQUAL( c.size(), 0u );
 160             BOOST_CHECK_EQUAL( c.bytes(), 2u );
 161        }
 162     }
 163 }
 164
 165 namespace {
 166
 167     struct TestTransform
 168     {
 169         typedef unsigned value_type;
 170         static unsigned get(unsigned v) { return v/2; }
 171         static unsigned set(unsigned v) { return 2*v; }
 172     };
 173
 174     struct TestListParser
 175         : public senf::PacketParserBase
 176     {
 177 #       include SENF_PARSER()
 178
 179         SENF_PARSER_PRIVATE_FIELD ( size1 , senf::UInt8Parser );
 180         SENF_PARSER_PRIVATE_FIELD ( size2 , senf::UInt8Parser );
 181         SENF_PARSER_FIELD         ( dummy , senf::UInt32Parser );
 182         SENF_PARSER_LIST          ( list1  , bytes(size1) , VectorParser );
 183         SENF_PARSER_LIST          ( list2  , transform(TestTransform, bytes(size2)) ,
 184                                              VectorParser );
 185
 186         SENF_PARSER_FINALIZE(TestListParser);
 187     };
 188
 189     struct TestListPacketType
 190         : public senf::PacketTypeBase,
 191           public senf::PacketTypeMixin<TestListPacketType>
 192     {
 193         typedef senf::PacketTypeMixin<TestListPacketType> mixin;
 194         typedef senf::ConcretePacket<TestListPacketType> packet;
 195         typedef TestListParser parser;
 196
 197         using mixin::nextPacketRange;
 198         using mixin::initSize;
 199         using mixin::init;
 200     };
 201     typedef senf::ConcretePacket<TestListPacketType> TestListPacket;
 202
 203 }
 204
 205 SENF_AUTO_UNIT_TEST(listBytesMacro)
 206 {
 207     unsigned char data[] = {    8,                   // size1
 208                                18,                   // size2
 209                              0x01, 0x02, 0x03, 0x04, // dummy
 210                              0x01,                   // list1()[0].size()
 211                              0x05, 0x06,             // list1().vec()[0]
 212                              0x02,                   // list1()[1].size()
 213                              0x07, 0x08,             // list1()[1].vec()[0]
 214                              0x09, 0x0A,             // list1()[1].vec()[1]
 215                              0x00,                   // list2()[0].size()
 216                              0x02,                   // list2()[1].size()
 217                              0x0B, 0x0C,             // list2()[1].vec()[0]
 218                              0x0D, 0x0E,             // list2()[1].vec()[1]
 219                              0x01,                   // list2()[2].size()
 220                              0x0F, 0x10 };           // list2()[2].vec()[0]
 221
 222     senf::DataPacket p (senf::DataPacket::create(data));
 223     TestListParser parser (p.data().begin(), &p.data());
 224
 225     BOOST_CHECK_EQUAL( parser.list1().size(), 2u );
 226     BOOST_CHECK_EQUAL( parser.list2().size(), 3u );
 227     BOOST_CHECK_EQUAL( parser.dummy(), 0x01020304u );
 228
 229     TestListParser::list2_t::container list2 (parser.list2());
 230
 231     {
 232         TestListParser::list1_t::container list (parser.list1());
 233         BOOST_CHECK_EQUAL( list.size(), 2u );
 234
 235         TestListParser::list1_t::container::iterator i (list.begin());
 236         BOOST_CHECK_EQUAL( i->vec().size(), 1u );
 237         BOOST_CHECK_EQUAL( i->vec()[0], 0x0506u );
 238
 239         ++i;
 240         BOOST_CHECK_EQUAL( i->vec().size(), 2u );
 241         BOOST_CHECK_EQUAL( i->vec()[0], 0x0708u );
 242         BOOST_CHECK_EQUAL( i->vec()[1], 0x090Au );
 243
 244         ++i;
 245         BOOST_CHECK( i == list.end() );
 246     }
 247
 248     {
 249         TestListParser::list2_t::container list (parser.list2());
 250         BOOST_CHECK_EQUAL( list.size(), 3u );
 251
 252         TestListParser::list2_t::container::iterator i (list.begin());
 253         BOOST_CHECK_EQUAL( i->vec().size(), 0u );
 254
 255         ++i;
 256         BOOST_CHECK_EQUAL( i->vec().size(), 2u );
 257         BOOST_CHECK_EQUAL( i->vec()[0], 0x0B0Cu );
 258         BOOST_CHECK_EQUAL( i->vec()[1], 0x0D0Eu );
 259
 260         ++i;
 261         BOOST_CHECK_EQUAL( i->vec().size(), 1u );
 262         BOOST_CHECK_EQUAL( i->vec()[0], 0x0F10u );
 263
 264         ++i;
 265         BOOST_CHECK( i == list.end() );
 266     }
 267
 268 }
 269
 270 namespace {
 271
 272     struct TestPacketSizeList
 273         : public senf::PacketParserBase
 274     {
 275 #       include SENF_PARSER()
 276
 277         SENF_PARSER_LIST ( list, packetSize(), VectorParser );
 278
 279         SENF_PARSER_FINALIZE(TestPacketSizeList);
 280     };
 281 }
 282
 283 SENF_AUTO_UNIT_TEST(listBytesParser_packetSize)
 284 {
 285     unsigned char data[] = { 0x01,                   // list()[0].vec().size()
 286                              0x05, 0x06,             // list()[0].vec()[0]
 287                              0x02,                   // list()[1].vec().size()
 288                              0x07, 0x08,             // list()[1].vec()[0]
 289                              0x09, 0x0A,             // list()[1].vec()[1]
 290                              0x00,                   // list()[2].vec().size()
 291                              0x02,                   // list()[3].vec().size()
 292                              0x0B, 0x0C,             // list()[3].vec()[0]
 293                              0x0D, 0x0E,             // list()[3].vec()[1]
 294                              0x01,                   // list()[4].vec().size()
 295                              0x0F, 0x10 };           // list()[4].vec()[0]
 296
 297     senf::DataPacket p (senf::DataPacket::create(data));
 298
 299     {
 300         TestPacketSizeList l (p.data().begin(), &p.data());
 301         BOOST_CHECK_EQUAL( l.list().size(), 5u );
 302
 303         TestPacketSizeList::list_t::container c (l.list());
 304         TestPacketSizeList::list_t::container::iterator i (c.begin());
 305
 306         senf::UInt16Parser::value_type vec0[] = { 0x0506 };
 307         senf::UInt16Parser::value_type vec1[] = { 0x0708, 0x090A };
 308         senf::UInt16Parser::value_type vec2[] = {};
 309         senf::UInt16Parser::value_type vec3[] = { 0x0B0C, 0x0D0E };
 310         senf::UInt16Parser::value_type vec4[] = { 0x0F10 };
 311
 312         BOOST_CHECK_EQUAL_COLLECTIONS( i->vec().begin(), i->vec().end(),
 313                                        vec0, vec0+sizeof(vec0)/sizeof(vec0[0]) );
 314         ++ i;
 315         BOOST_CHECK_EQUAL_COLLECTIONS( i->vec().begin(), i->vec().end(),
 316                                        vec1, vec1+sizeof(vec1)/sizeof(vec1[0]) );
 317         ++ i;
 318         BOOST_CHECK_EQUAL_COLLECTIONS( i->vec().begin(), i->vec().end(),
 319                                        vec2, vec2+sizeof(vec2)/sizeof(vec2[0]) );
 320         ++ i;
 321         BOOST_CHECK_EQUAL_COLLECTIONS( i->vec().begin(), i->vec().end(),
 322                                        vec3, vec3+sizeof(vec3)/sizeof(vec3[0]) );
 323
 324         ++ i;
 325         BOOST_CHECK_EQUAL_COLLECTIONS( i->vec().begin(), i->vec().end(),
 326                                        vec4, vec4+sizeof(vec4)/sizeof(vec4[0]) );
 327
 328         ++ i;
 329         BOOST_CHECK( i == c.end() );
 330
 331         i = c.begin();
 332         ++i;
 333         TestPacketSizeList::list_t::value_type::vec_t::container v (i->vec());
 334         v.push_back(0xFEFF);
 335     }
 336
 337     {
 338         TestPacketSizeList l (p.data().begin(), &p.data());
 339         BOOST_CHECK_EQUAL( l.list().size(), 5u );
 340         BOOST_CHECK_EQUAL( l.list().bytes(), p.data().size() );
 341
 342         TestPacketSizeList::list_t::container c (l.list());
 343         TestPacketSizeList::list_t::container::iterator i (c.begin());
 344
 345         senf::UInt16Parser::value_type vec0[] = { 0x0506 };
 346         senf::UInt16Parser::value_type vec1[] = { 0x0708, 0x090A, 0xFEFF };
 347         senf::UInt16Parser::value_type vec2[] = {};
 348         senf::UInt16Parser::value_type vec3[] = { 0x0B0C, 0x0D0E };
 349         senf::UInt16Parser::value_type vec4[] = { 0x0F10 };
 350
 351         BOOST_CHECK_EQUAL_COLLECTIONS( i->vec().begin(), i->vec().end(),
 352                                        vec0, vec0+sizeof(vec0)/sizeof(vec0[0]) );
 353         ++ i;
 354         BOOST_CHECK_EQUAL_COLLECTIONS( i->vec().begin(), i->vec().end(),
 355                                        vec1, vec1+sizeof(vec1)/sizeof(vec1[0]) );
 356         ++ i;
 357         BOOST_CHECK_EQUAL_COLLECTIONS( i->vec().begin(), i->vec().end(),
 358                                        vec2, vec2+sizeof(vec2)/sizeof(vec2[0]) );
 359         ++ i;
 360         BOOST_CHECK_EQUAL_COLLECTIONS( i->vec().begin(), i->vec().end(),
 361                                        vec3, vec3+sizeof(vec3)/sizeof(vec3[0]) );
 362
 363         ++ i;
 364         BOOST_CHECK_EQUAL_COLLECTIONS( i->vec().begin(), i->vec().end(),
 365                                        vec4, vec4+sizeof(vec4)/sizeof(vec4[0]) );
 366         ++ i;
 367         BOOST_CHECK( i == c.end() );
 368     }
 369 }
 370
 371 SENF_AUTO_UNIT_TEST(listBytesMacro_stress)
 372 {
 373     TestListPacket testListPacket (TestListPacket::create());
 374     for (unsigned i=0; i<12; ++i) {
 375         VectorParser::value_type vec( 4, 42);
 376         testListPacket->list2().push_back( vec);
 377     }
 378     BOOST_CHECK_EQUAL( testListPacket->list2().size(), 12u );
 379
 380 }
 381
 382 ///////////////////////////////cc.e////////////////////////////////////////
 383 #undef prefix_
 384
 385 \f
 386 // Local Variables:
 387 // mode: c++
 388 // fill-column: 100
 389 // comment-column: 40
 390 // c-file-style: "senf"
 391 // indent-tabs-mode: nil
 392 // ispell-local-dictionary: "american"
 393 // compile-command: "scons -u test"
 394 // End: