senf/Packets/ListBParser.test.cc

   1 // $Id$
   2 //
   3 // Copyright (C) 2007
   4 // Fraunhofer Institute for Open Communication Systems (FOKUS)
   5 //
   6 // The contents of this file are subject to the Fraunhofer FOKUS Public License
   7 // Version 1.0 (the "License"); you may not use this file except in compliance
   8 // with the License. You may obtain a copy of the License at
   9 // http://senf.berlios.de/license.html
  10 //
  11 // The Fraunhofer FOKUS Public License Version 1.0 is based on,
  12 // but modifies the Mozilla Public License Version 1.1.
  13 // See the full license text for the amendments.
  14 //
  15 // Software distributed under the License is distributed on an "AS IS" basis,
  16 // WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
  17 // for the specific language governing rights and limitations under the License.
  18 //
  19 // The Original Code is Fraunhofer FOKUS code.
  20 //
  21 // The Initial Developer of the Original Code is Fraunhofer-Gesellschaft e.V.
  22 // (registered association), Hansastraße 27 c, 80686 Munich, Germany.
  23 // All Rights Reserved.
  24 //
  25 // Contributor(s):
  26 //   Stefan Bund <g0dil@berlios.de>
  27
  28 /** \file
  29     \brief ListBParser unit tests */
  30
  31 //#include "ListBParser.test.hh"
  32 //#include "ListBParser.test.ih"
  33
  34 // Custom includes
  35 #include "Packets.hh"
  36
  37 #include <senf/Utils/auto_unit_test.hh>
  38 #include <boost/test/test_tools.hpp>
  39
  40 #define prefix_
  41 //-/////////////////////////////////////////////////////////////////////////////////////////////////
  42
  43 namespace {
  44     struct VoidPacket : public senf::PacketTypeBase
  45     {};
  46
  47     struct VectorParser : public senf::PacketParserBase
  48     {
  49 #       include SENF_PARSER()
  50
  51         SENF_PARSER_PRIVATE_FIELD( size, senf::UInt8Parser );
  52         SENF_PARSER_VECTOR( vec, size, senf::UInt16Parser );
  53
  54         SENF_PARSER_FINALIZE(VectorParser);
  55
  56         typedef std::vector<boost::uint16_t> value_type;
  57
  58         value_type value() const {
  59             value_type v (vec().begin(), vec().end());
  60             return v;
  61         }
  62         void value(value_type const & v) {
  63             vec_t::container container (vec());
  64             container.clear();
  65             for (value_type::const_iterator i=v.begin(); i!=v.end(); ++i)
  66                 container.push_back( *i);
  67         }
  68         operator value_type() const { return value(); }
  69         VectorParser const & operator= (value_type const & other) { value(other); return *this; }
  70     };
  71
  72     typedef senf::ListParser<
  73         senf::detail::ListBParser_Policy<
  74             VectorParser,
  75             senf::detail::PrefixAuxParserPolicy<senf::UInt16Parser> > > MyListBParser;
  76 }
  77
  78 SENF_AUTO_UNIT_TEST(ListBParser)
  79 {
  80     senf::PacketInterpreterBase::ptr pi (senf::PacketInterpreter<VoidPacket>::create(
  81             MyListBParser::init_bytes));
  82
  83     MyListBParser p (pi->data().begin(),&pi->data());
  84     p.init();
  85     BOOST_CHECK_EQUAL( p.size(), 0u );
  86     BOOST_CHECK_EQUAL( p.bytes(), 2u );
  87     BOOST_CHECK( p.empty() );
  88
  89     // the mutators are really tested together with the container wrappers since they are based
  90     // on the container wrapper. Here we only need one call to make the list larger ...
  91
  92     p.push_back_space();
  93     p = MyListBParser(pi->data().begin(),&pi->data());
  94     BOOST_CHECK_EQUAL( p.bytes(), 3u );
  95     BOOST_CHECK_EQUAL( p.size(), 1u );
  96     BOOST_CHECK( ! p.empty() );
  97 }
  98
  99 SENF_AUTO_UNIT_TEST(ListBParser_container)
 100 {
 101     senf::PacketInterpreterBase::ptr pi (senf::PacketInterpreter<VoidPacket>::create(
 102             MyListBParser::init_bytes));
 103
 104     {
 105         MyListBParser::container c (MyListBParser(pi->data().begin(),&pi->data()));
 106
 107         BOOST_CHECK_EQUAL( c.size(), 0u );
 108         BOOST_CHECK_EQUAL( c.bytes(), 2u );
 109         BOOST_CHECK( c.begin() == c.end() );
 110
 111         c.shift(c.begin());
 112         BOOST_CHECK_EQUAL( c.size(), 1u );
 113         BOOST_CHECK_EQUAL( c.bytes(), 3u );
 114
 115         BOOST_CHECK_EQUAL( c.front().vec().size(), 0u );
 116         c.front().vec().push_back(0x1234u);
 117         BOOST_CHECK_EQUAL( c.bytes(), 5u );
 118
 119         {
 120             senf::PacketInterpreterBase::ptr pi2 (senf::PacketInterpreter<VoidPacket>::create(
 121                     MyListBParser::init_bytes));
 122             MyListBParser::container c2 (MyListBParser(pi2->data().begin(),&pi2->data()));
 123             {
 124                 VectorParser::vec_t::container c2v (c2.push_back_space().vec());
 125                 c2v.push_back(0x2345u);
 126                 c2v.push_back(0x3456u);
 127             }
 128
 129             BOOST_CHECK_EQUAL(c2.size(), 1u);
 130             BOOST_CHECK_EQUAL(c2.bytes(), 7u);
 131
 132             c.insert(c.end(),c2.back());
 133             BOOST_CHECK_EQUAL( c.size(), 2u );
 134             BOOST_CHECK_EQUAL( c.bytes(), 10u );
 135             BOOST_CHECK_EQUAL( c.back().vec()[0], 0x2345u );
 136             BOOST_CHECK_EQUAL( c.back().bytes(), c2.back().bytes() );
 137
 138             c2.back().vec()[0] << 0x1357u;
 139             c.insert(boost::next(c.begin()), 2u, c2.back());
 140             BOOST_CHECK_EQUAL( c.size(), 4u );
 141             BOOST_CHECK_EQUAL( c.bytes(), 20u );
 142             BOOST_CHECK_EQUAL( (*boost::next(c.begin())).vec()[0], 0x1357u );
 143             BOOST_CHECK_EQUAL( (*boost::next(c.begin(),2)).vec()[0], 0x1357u );
 144
 145             c2.back().vec()[0] << 0x2468u;
 146             c.insert(c.begin(),c2.begin(),c2.end());
 147             BOOST_CHECK_EQUAL( c.size(), 5u );
 148             BOOST_CHECK_EQUAL( c.bytes(), 25u );
 149             BOOST_CHECK_EQUAL( c.front().vec()[0], 0x2468u );
 150
 151             c.erase(c.begin(),2);
 152             BOOST_CHECK_EQUAL( c.size(), 3u );
 153             BOOST_CHECK_EQUAL( c.bytes(), 17u );
 154             BOOST_CHECK_EQUAL( c.front().vec()[0],0x1357u );
 155             BOOST_CHECK_EQUAL( c.back().vec()[0], 0x2345u );
 156
 157             c.erase((boost::next(c.begin(),2)),c.end());
 158             BOOST_CHECK_EQUAL( c.size(), 2u );
 159             BOOST_CHECK_EQUAL( c.bytes(), 12u );
 160             BOOST_CHECK_EQUAL( c.front().vec()[0],0x1357u );
 161             BOOST_CHECK_EQUAL( c.back().vec()[0], 0x1357u );
 162
 163             c.clear();
 164             BOOST_CHECK_EQUAL( c.size(), 0u );
 165             BOOST_CHECK_EQUAL( c.bytes(), 2u );
 166        }
 167     }
 168 }
 169
 170 namespace {
 171
 172     struct TestTransform
 173     {
 174         typedef unsigned value_type;
 175         static unsigned get(unsigned v) { return v/2; }
 176         static unsigned set(unsigned v) { return 2*v; }
 177     };
 178
 179     struct TestListParser
 180         : public senf::PacketParserBase
 181     {
 182 #       include SENF_PARSER()
 183
 184         SENF_PARSER_PRIVATE_FIELD ( size1 , senf::UInt8Parser );
 185         SENF_PARSER_PRIVATE_FIELD ( size2 , senf::UInt8Parser );
 186         SENF_PARSER_FIELD         ( dummy , senf::UInt32Parser );
 187         SENF_PARSER_LIST          ( list1  , bytes(size1) , VectorParser );
 188         SENF_PARSER_LIST          ( list2  , transform(TestTransform, bytes(size2)) ,
 189                                              VectorParser );
 190
 191         SENF_PARSER_FINALIZE(TestListParser);
 192     };
 193
 194     struct TestListPacketType
 195         : public senf::PacketTypeBase,
 196           public senf::PacketTypeMixin<TestListPacketType>
 197     {
 198         typedef senf::PacketTypeMixin<TestListPacketType> mixin;
 199         typedef senf::ConcretePacket<TestListPacketType> packet;
 200         typedef TestListParser parser;
 201
 202         using mixin::nextPacketRange;
 203         using mixin::initSize;
 204         using mixin::init;
 205     };
 206     typedef senf::ConcretePacket<TestListPacketType> TestListPacket;
 207
 208 }
 209
 210 SENF_AUTO_UNIT_TEST(listBytesMacro)
 211 {
 212     unsigned char data[] = {    8,                   // size1
 213                                18,                   // size2
 214                              0x01, 0x02, 0x03, 0x04, // dummy
 215                              0x01,                   // list1()[0].size()
 216                              0x05, 0x06,             // list1().vec()[0]
 217                              0x02,                   // list1()[1].size()
 218                              0x07, 0x08,             // list1()[1].vec()[0]
 219                              0x09, 0x0A,             // list1()[1].vec()[1]
 220                              0x00,                   // list2()[0].size()
 221                              0x02,                   // list2()[1].size()
 222                              0x0B, 0x0C,             // list2()[1].vec()[0]
 223                              0x0D, 0x0E,             // list2()[1].vec()[1]
 224                              0x01,                   // list2()[2].size()
 225                              0x0F, 0x10 };           // list2()[2].vec()[0]
 226
 227     senf::DataPacket p (senf::DataPacket::create(data));
 228     TestListParser parser (p.data().begin(), &p.data());
 229
 230     BOOST_CHECK_EQUAL( parser.list1().size(), 2u );
 231     BOOST_CHECK_EQUAL( parser.list2().size(), 3u );
 232     BOOST_CHECK_EQUAL( parser.dummy(), 0x01020304u );
 233
 234     TestListParser::list2_t::container list2 (parser.list2());
 235
 236     {
 237         TestListParser::list1_t::container list (parser.list1());
 238         BOOST_CHECK_EQUAL( list.size(), 2u );
 239
 240         TestListParser::list1_t::container::iterator i (list.begin());
 241         BOOST_CHECK_EQUAL( i->vec().size(), 1u );
 242         BOOST_CHECK_EQUAL( i->vec()[0], 0x0506u );
 243
 244         ++i;
 245         BOOST_CHECK_EQUAL( i->vec().size(), 2u );
 246         BOOST_CHECK_EQUAL( i->vec()[0], 0x0708u );
 247         BOOST_CHECK_EQUAL( i->vec()[1], 0x090Au );
 248
 249         ++i;
 250         BOOST_CHECK( i == list.end() );
 251     }
 252
 253     {
 254         TestListParser::list2_t::container list (parser.list2());
 255         BOOST_CHECK_EQUAL( list.size(), 3u );
 256
 257         TestListParser::list2_t::container::iterator i (list.begin());
 258         BOOST_CHECK_EQUAL( i->vec().size(), 0u );
 259
 260         ++i;
 261         BOOST_CHECK_EQUAL( i->vec().size(), 2u );
 262         BOOST_CHECK_EQUAL( i->vec()[0], 0x0B0Cu );
 263         BOOST_CHECK_EQUAL( i->vec()[1], 0x0D0Eu );
 264
 265         ++i;
 266         BOOST_CHECK_EQUAL( i->vec().size(), 1u );
 267         BOOST_CHECK_EQUAL( i->vec()[0], 0x0F10u );
 268
 269         ++i;
 270         BOOST_CHECK( i == list.end() );
 271     }
 272
 273 }
 274
 275 namespace {
 276
 277     struct TestPacketSizeList
 278         : public senf::PacketParserBase
 279     {
 280 #       include SENF_PARSER()
 281
 282         SENF_PARSER_LIST ( list, packetSize(), VectorParser );
 283
 284         SENF_PARSER_FINALIZE(TestPacketSizeList);
 285     };
 286 }
 287
 288 SENF_AUTO_UNIT_TEST(listBytesParser_packetSize)
 289 {
 290     unsigned char data[] = { 0x01,                   // list()[0].vec().size()
 291                              0x05, 0x06,             // list()[0].vec()[0]
 292                              0x02,                   // list()[1].vec().size()
 293                              0x07, 0x08,             // list()[1].vec()[0]
 294                              0x09, 0x0A,             // list()[1].vec()[1]
 295                              0x00,                   // list()[2].vec().size()
 296                              0x02,                   // list()[3].vec().size()
 297                              0x0B, 0x0C,             // list()[3].vec()[0]
 298                              0x0D, 0x0E,             // list()[3].vec()[1]
 299                              0x01,                   // list()[4].vec().size()
 300                              0x0F, 0x10 };           // list()[4].vec()[0]
 301
 302     senf::DataPacket p (senf::DataPacket::create(data));
 303
 304     {
 305         TestPacketSizeList l (p.data().begin(), &p.data());
 306         BOOST_CHECK_EQUAL( l.list().size(), 5u );
 307
 308         TestPacketSizeList::list_t::container c (l.list());
 309         TestPacketSizeList::list_t::container::iterator i (c.begin());
 310
 311         senf::UInt16Parser::value_type vec0[] = { 0x0506 };
 312         senf::UInt16Parser::value_type vec1[] = { 0x0708, 0x090A };
 313         senf::UInt16Parser::value_type vec2[] = {};
 314         senf::UInt16Parser::value_type vec3[] = { 0x0B0C, 0x0D0E };
 315         senf::UInt16Parser::value_type vec4[] = { 0x0F10 };
 316
 317         BOOST_CHECK_EQUAL_COLLECTIONS( i->vec().begin(), i->vec().end(),
 318                                        vec0, vec0+sizeof(vec0)/sizeof(vec0[0]) );
 319         ++ i;
 320         BOOST_CHECK_EQUAL_COLLECTIONS( i->vec().begin(), i->vec().end(),
 321                                        vec1, vec1+sizeof(vec1)/sizeof(vec1[0]) );
 322         ++ i;
 323         BOOST_CHECK_EQUAL_COLLECTIONS( i->vec().begin(), i->vec().end(),
 324                                        vec2, vec2+sizeof(vec2)/sizeof(vec2[0]) );
 325         ++ i;
 326         BOOST_CHECK_EQUAL_COLLECTIONS( i->vec().begin(), i->vec().end(),
 327                                        vec3, vec3+sizeof(vec3)/sizeof(vec3[0]) );
 328
 329         ++ i;
 330         BOOST_CHECK_EQUAL_COLLECTIONS( i->vec().begin(), i->vec().end(),
 331                                        vec4, vec4+sizeof(vec4)/sizeof(vec4[0]) );
 332
 333         ++ i;
 334         BOOST_CHECK( i == c.end() );
 335
 336         i = c.begin();
 337         ++i;
 338         TestPacketSizeList::list_t::value_type::vec_t::container v (i->vec());
 339         v.push_back(0xFEFF);
 340     }
 341
 342     {
 343         TestPacketSizeList l (p.data().begin(), &p.data());
 344         BOOST_CHECK_EQUAL( l.list().size(), 5u );
 345         BOOST_CHECK_EQUAL( l.list().bytes(), p.data().size() );
 346
 347         TestPacketSizeList::list_t::container c (l.list());
 348         TestPacketSizeList::list_t::container::iterator i (c.begin());
 349
 350         senf::UInt16Parser::value_type vec0[] = { 0x0506 };
 351         senf::UInt16Parser::value_type vec1[] = { 0x0708, 0x090A, 0xFEFF };
 352         senf::UInt16Parser::value_type vec2[] = {};
 353         senf::UInt16Parser::value_type vec3[] = { 0x0B0C, 0x0D0E };
 354         senf::UInt16Parser::value_type vec4[] = { 0x0F10 };
 355
 356         BOOST_CHECK_EQUAL_COLLECTIONS( i->vec().begin(), i->vec().end(),
 357                                        vec0, vec0+sizeof(vec0)/sizeof(vec0[0]) );
 358         ++ i;
 359         BOOST_CHECK_EQUAL_COLLECTIONS( i->vec().begin(), i->vec().end(),
 360                                        vec1, vec1+sizeof(vec1)/sizeof(vec1[0]) );
 361         ++ i;
 362         BOOST_CHECK_EQUAL_COLLECTIONS( i->vec().begin(), i->vec().end(),
 363                                        vec2, vec2+sizeof(vec2)/sizeof(vec2[0]) );
 364         ++ i;
 365         BOOST_CHECK_EQUAL_COLLECTIONS( i->vec().begin(), i->vec().end(),
 366                                        vec3, vec3+sizeof(vec3)/sizeof(vec3[0]) );
 367
 368         ++ i;
 369         BOOST_CHECK_EQUAL_COLLECTIONS( i->vec().begin(), i->vec().end(),
 370                                        vec4, vec4+sizeof(vec4)/sizeof(vec4[0]) );
 371         ++ i;
 372         BOOST_CHECK( i == c.end() );
 373     }
 374 }
 375
 376 SENF_AUTO_UNIT_TEST(listBytesMacro_stress)
 377 {
 378     TestListPacket testListPacket (TestListPacket::create());
 379     for (unsigned i=0; i<12; ++i) {
 380         VectorParser::value_type vec( 4, 42);
 381         testListPacket->list2().push_back( vec);
 382     }
 383     BOOST_CHECK_EQUAL( testListPacket->list2().size(), 12u );
 384
 385 }
 386
 387 //-/////////////////////////////////////////////////////////////////////////////////////////////////
 388 #undef prefix_
 389
 390 \f
 391 // Local Variables:
 392 // mode: c++
 393 // fill-column: 100
 394 // comment-column: 40
 395 // c-file-style: "senf"
 396 // indent-tabs-mode: nil
 397 // ispell-local-dictionary: "american"
 398 // compile-command: "scons -u test"
 399 // End: