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