Boost_1_39_0/libs/test/test/basic_cstring_test.cpp

   1 //  (C) Copyright Gennadiy Rozental 2001-2008.
   2 //  Distributed under the Boost Software License, Version 1.0.
   3 //  (See accompanying file LICENSE_1_0.txt or copy at
   4 //  http://www.boost.org/LICENSE_1_0.txt)
   5
   6 //  See http://www.boost.org/libs/test for the library home page.
   7 //
   8 //  File        : $RCSfile$
   9 //
  10 //  Version     : $Revision$
  11 //
  12 //  Description : basic_cstring unit test
  13 // *****************************************************************************
  14
  15 #ifdef _MSC_VER
  16 #pragma warning(disable: 4996)
  17 #endif
  18
  19 // Boost.Test
  20 #include <boost/test/unit_test.hpp>
  21 #include <boost/test/test_case_template.hpp>
  22
  23 #include <boost/test/utils/basic_cstring/basic_cstring.hpp>
  24 #include <boost/test/utils/basic_cstring/compare.hpp>
  25 #include <boost/test/utils/basic_cstring/io.hpp>
  26 #include <boost/test/output_test_stream.hpp>
  27 namespace utf = boost::unit_test;
  28 namespace tt  = boost::test_tools;
  29 using utf::const_string;
  30
  31 // Boost
  32 #include <boost/mpl/list.hpp>
  33 #include <boost/mpl/joint_view.hpp>
  34 #include <boost/mpl/transform.hpp>
  35 #include <boost/type_traits/add_const.hpp>
  36
  37 // STL
  38 #include <cctype>
  39 #include <ctime>
  40 #include <iomanip>
  41 #include <iostream>
  42 #include <stdexcept>
  43
  44 namespace mpl = boost::mpl;
  45
  46 #if defined(BOOST_NO_STD_WSTRING)
  47 typedef mpl::list1<char const>                                              base_const_char_types;
  48 typedef mpl::list2<char,unsigned char>                                      mutable_char_types;
  49 #else
  50 typedef mpl::list2<char const,wchar_t const>                                base_const_char_types;
  51 typedef mpl::list3<char,unsigned char,wchar_t>                              mutable_char_types;
  52 #endif
  53 typedef mpl::transform<mutable_char_types,boost::add_const<mpl::_1> >::type const_char_types;
  54 typedef mpl::joint_view<const_char_types,mutable_char_types>                char_types;
  55 typedef mpl::list2<char,const char>                                         io_test_types;
  56
  57 //____________________________________________________________________________//
  58
  59 template<typename CharT>
  60 struct string_literal
  61 {
  62     typedef typename boost::remove_const<CharT>::type   mutable_char;
  63
  64     string_literal( char const* orig, std::size_t orig_size )
  65     {
  66         std::copy( orig, orig + orig_size, buff );
  67
  68         buff[orig_size] = 0;
  69     }
  70
  71     mutable_char buff[100];
  72 };
  73
  74 #define LITERAL( s ) (CharT*)string_literal<CharT>( s, sizeof( s ) ).buff
  75 #define LOCAL_DEF( name, s )                                                \
  76 string_literal<CharT> BOOST_JOIN( sl, __LINE__)(s, sizeof( s ));            \
  77 utf::basic_cstring<CharT> name( (CharT*)(BOOST_JOIN( sl, __LINE__).buff) )  \
  78 /**/
  79
  80 #define TEST_STRING test_string<CharT>( (CharT*)0 )
  81
  82 template<typename CharT>
  83 CharT*
  84 test_string( CharT* = 0 )
  85 {
  86     static string_literal<CharT> l( "test_string", 11 );
  87
  88     return l.buff;
  89 }
  90
  91 //____________________________________________________________________________//
  92
  93 BOOST_TEST_CASE_TEMPLATE_FUNCTION( constructors_test, CharT )
  94 {
  95     {
  96         utf::basic_cstring<CharT> bcs;
  97         BOOST_CHECK_EQUAL( bcs.size(), (unsigned)0 );
  98         BOOST_CHECK( bcs.is_empty() );
  99     }
 100
 101     {
 102         utf::basic_cstring<CharT> bcs( utf::basic_cstring<CharT>::null_str() );
 103         BOOST_CHECK_EQUAL( bcs.size(), (unsigned)0 );
 104         BOOST_CHECK( bcs.is_empty() );
 105     }
 106
 107     {
 108         utf::basic_cstring<CharT> bcs( 0 );
 109         BOOST_CHECK_EQUAL( bcs.size(), (unsigned)0 );
 110         BOOST_CHECK( bcs.is_empty() );
 111     }
 112
 113     {
 114         typedef typename utf::basic_cstring<CharT>::traits_type traits;
 115
 116         utf::basic_cstring<CharT> bcs( TEST_STRING );
 117         BOOST_CHECK_EQUAL( traits::compare( bcs.begin(), TEST_STRING, bcs.size() ), 0 );
 118         BOOST_CHECK_EQUAL( bcs.size(), traits::length( TEST_STRING ) );
 119
 120         utf::basic_cstring<CharT> bcs1( bcs );
 121         BOOST_CHECK_EQUAL( traits::compare( bcs1.begin(), TEST_STRING, bcs1.size() ), 0 );
 122     }
 123
 124     {
 125         typedef typename utf::basic_cstring<CharT>::traits_type traits;
 126
 127         utf::basic_cstring<CharT> bcs( TEST_STRING, 4 );
 128         BOOST_CHECK_EQUAL( traits::compare( bcs.begin(), LITERAL( "test" ), bcs.size() ), 0 );
 129     }
 130
 131     {
 132         typedef typename utf::basic_cstring<CharT>::traits_type traits;
 133
 134         utf::basic_cstring<CharT> bcs( TEST_STRING, TEST_STRING + 6 );
 135         BOOST_CHECK_EQUAL( traits::compare( bcs.begin(), LITERAL( "test_s" ), bcs.size() ), 0 );
 136     }
 137 }
 138
 139 //____________________________________________________________________________//
 140
 141 BOOST_TEST_CASE_TEMPLATE_FUNCTION( constructors_std_string_test, CharT )
 142 {
 143     typedef typename utf::basic_cstring<CharT>::traits_type traits;
 144
 145     {
 146         typename utf::basic_cstring<CharT>::std_string l( TEST_STRING );
 147
 148         utf::basic_cstring<CharT> bcs( l );
 149         BOOST_CHECK_EQUAL( traits::compare( bcs.begin(), TEST_STRING, bcs.size() ), 0 );
 150     }
 151
 152 }
 153
 154 //____________________________________________________________________________//
 155
 156 void array_construction_test()
 157 {
 158 #if !BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x600))
 159     const_string bcs_array[] = { "str1", "str2" };
 160
 161     BOOST_CHECK_EQUAL( const_string::traits_type::compare( bcs_array[0].begin(), "str1", bcs_array[0].size() ), 0 );
 162     BOOST_CHECK_EQUAL( const_string::traits_type::compare( bcs_array[1].begin(), "str2", bcs_array[1].size() ), 0 );
 163
 164     const_string bcs( "abc" );
 165     BOOST_CHECK_EQUAL( const_string::traits_type::compare( bcs.begin(), "abc", bcs.size() ), 0 );
 166 #endif
 167 }
 168
 169 //____________________________________________________________________________//
 170
 171 BOOST_TEST_CASE_TEMPLATE_FUNCTION( data_access_test, CharT )
 172 {
 173     typedef typename utf::basic_cstring<CharT>::traits_type traits_type;
 174
 175     utf::basic_cstring<CharT> bcs1( TEST_STRING );
 176     BOOST_CHECK_EQUAL( traits_type::compare( bcs1.begin(), TEST_STRING, bcs1.size() ), 0 );
 177     BOOST_CHECK_EQUAL( traits_type::compare( bcs1.begin(), bcs1.begin(), bcs1.size() ), 0 );
 178
 179     BOOST_CHECK_EQUAL( bcs1[0], 't' );
 180     BOOST_CHECK_EQUAL( bcs1[4], '_' );
 181     BOOST_CHECK_EQUAL( bcs1[bcs1.size()-1], 'g' );
 182
 183     BOOST_CHECK_EQUAL( bcs1[0], bcs1.at( 0 ) );
 184     BOOST_CHECK_EQUAL( bcs1[2], bcs1.at( 5 ) );
 185     BOOST_CHECK_EQUAL( bcs1.at( bcs1.size() - 1 ), 'g' );
 186     BOOST_CHECK_EQUAL( bcs1.at( bcs1.size() ), 0 );
 187     BOOST_CHECK_EQUAL( bcs1.at( bcs1.size()+1 ), 0 );
 188
 189     BOOST_CHECK_EQUAL( utf::first_char( bcs1 ), 't' );
 190     BOOST_CHECK_EQUAL( utf::last_char( bcs1 ) , 'g' );
 191
 192     BOOST_CHECK_EQUAL( utf::first_char( utf::basic_cstring<CharT>() ), 0 );
 193     BOOST_CHECK_EQUAL( utf::last_char( utf::basic_cstring<CharT>() ), 0 );
 194 }
 195
 196 //____________________________________________________________________________//
 197
 198 BOOST_TEST_CASE_TEMPLATE_FUNCTION( size_test, CharT )
 199 {
 200     utf::basic_cstring<CharT> bcs1;
 201
 202     BOOST_CHECK_EQUAL( bcs1.size(), (unsigned)0 );
 203     BOOST_CHECK( bcs1.is_empty() );
 204
 205     bcs1 = TEST_STRING;
 206     BOOST_CHECK_EQUAL( bcs1.size(), (unsigned)11 );
 207
 208     bcs1.clear();
 209     BOOST_CHECK_EQUAL( bcs1.size(), (unsigned)0 );
 210     BOOST_CHECK( bcs1.is_empty() );
 211
 212     bcs1 = utf::basic_cstring<CharT>( TEST_STRING, 4 );
 213     BOOST_CHECK_EQUAL( bcs1.size(), (unsigned)4 );
 214
 215     bcs1.resize( 5 );
 216     BOOST_CHECK_EQUAL( bcs1.size(), (unsigned)4 );
 217
 218     bcs1.resize( 3 );
 219     BOOST_CHECK_EQUAL( bcs1.size(), (unsigned)3 );
 220 }
 221
 222 //____________________________________________________________________________//
 223
 224 BOOST_TEST_CASE_TEMPLATE_FUNCTION( asignment_test, CharT )
 225 {
 226     typedef typename utf::basic_cstring<CharT>::traits_type traits_type;
 227
 228     utf::basic_cstring<CharT> bcs1;
 229     string_literal<CharT> l( "test", 4 );
 230
 231     bcs1 = l.buff;
 232     BOOST_CHECK_EQUAL( traits_type::compare( bcs1.begin(), LITERAL( "test" ), bcs1.size() ), 0 );
 233
 234     utf::basic_cstring<CharT> bcs2( TEST_STRING );
 235     bcs1 = bcs2;
 236     BOOST_CHECK_EQUAL( traits_type::compare( bcs1.begin(), TEST_STRING, bcs1.size() ), 0 );
 237
 238     bcs1.assign( l.buff );
 239     BOOST_CHECK_EQUAL( traits_type::compare( bcs1.begin(), LITERAL( "test" ), bcs1.size() ), 0 );
 240
 241     bcs1.assign( l.buff+1, l.buff+3 );
 242     BOOST_CHECK_EQUAL( traits_type::compare( bcs1.begin(), LITERAL( "est" ), bcs1.size() ), 0 );
 243
 244     bcs1.assign( bcs2, 4, 3 );
 245     BOOST_CHECK_EQUAL( traits_type::compare( bcs1.begin(), LITERAL( "_st" ), bcs1.size() ), 0 );
 246
 247     bcs1.swap( bcs2 );
 248     BOOST_CHECK_EQUAL( traits_type::compare( bcs1.begin(), TEST_STRING, bcs1.size() ), 0 );
 249     BOOST_CHECK_EQUAL( traits_type::compare( bcs2.begin(), LITERAL( "_st" ), bcs2.size() ), 0 );
 250 }
 251
 252 //____________________________________________________________________________//
 253
 254 BOOST_TEST_CASE_TEMPLATE_FUNCTION( asignment_std_string_test, CharT )
 255 {
 256     typedef typename utf::basic_cstring<CharT>::traits_type traits_type;
 257
 258     utf::basic_cstring<CharT> bcs1;
 259     typename utf::basic_cstring<CharT>::std_string l( TEST_STRING );
 260
 261     bcs1 = l;
 262     BOOST_CHECK_EQUAL( traits_type::compare( bcs1.begin(), TEST_STRING, bcs1.size() ), 0 );
 263
 264     bcs1.assign( l );
 265     BOOST_CHECK_EQUAL( traits_type::compare( bcs1.begin(), TEST_STRING, bcs1.size() ), 0 );
 266
 267     bcs1.assign( l, 1, 2 );
 268     BOOST_CHECK_EQUAL( traits_type::compare( bcs1.begin(), LITERAL( "es" ), bcs1.size() ), 0 );
 269 }
 270
 271 //____________________________________________________________________________//
 272
 273 BOOST_TEST_CASE_TEMPLATE_FUNCTION( comparison_test, CharT )
 274 {
 275     utf::basic_cstring<CharT> bcs1( TEST_STRING );
 276     utf::basic_cstring<CharT> bcs2( TEST_STRING );
 277
 278     BOOST_CHECK_EQUAL( bcs1, TEST_STRING );
 279     BOOST_CHECK_EQUAL( TEST_STRING, bcs1 );
 280     BOOST_CHECK_EQUAL( bcs1, bcs2 );
 281
 282     bcs1.resize( 4 );
 283
 284     BOOST_CHECK_EQUAL( bcs1, LITERAL( "test" ) );
 285
 286     BOOST_CHECK( bcs1 != TEST_STRING );
 287     BOOST_CHECK( TEST_STRING != bcs1 );
 288     BOOST_CHECK( bcs1 != bcs2 );
 289
 290     LOCAL_DEF( bcs3, "TeSt" );
 291     BOOST_CHECK( utf::case_ins_eq( bcs1, bcs3 ) );
 292 }
 293
 294 //____________________________________________________________________________//
 295
 296 BOOST_TEST_CASE_TEMPLATE_FUNCTION( comparison_std_string_test, CharT )
 297 {
 298     utf::basic_cstring<CharT> bcs1( TEST_STRING );
 299     typename utf::basic_cstring<CharT>::std_string l( TEST_STRING );
 300
 301     BOOST_CHECK( bcs1 == l );
 302 #if BOOST_WORKAROUND(BOOST_MSVC, > 1300)
 303     BOOST_CHECK( l == bcs1 );
 304 #endif
 305
 306     bcs1.resize( 4 );
 307
 308     BOOST_CHECK( bcs1 != l );
 309 #if BOOST_WORKAROUND(BOOST_MSVC, > 1300)
 310     BOOST_CHECK( l != bcs1 );
 311 #endif
 312 }
 313
 314 //____________________________________________________________________________//
 315
 316 BOOST_TEST_CASE_TEMPLATE_FUNCTION( ordering_test, CharT )
 317 {
 318     LOCAL_DEF( bcs1, "aBcd" );
 319     LOCAL_DEF( bcs2, "aBbdd" );
 320     LOCAL_DEF( bcs3, "aBbde" );
 321     LOCAL_DEF( bcs4, "abab" );
 322
 323     BOOST_CHECK( bcs1 < bcs2 );
 324     BOOST_CHECK( bcs2 < bcs3 );
 325     BOOST_CHECK( bcs1 < bcs3 );
 326     BOOST_CHECK( bcs1 < bcs4 );
 327
 328     utf::case_ins_less<CharT> cil;
 329     BOOST_CHECK( cil( bcs4, bcs1 ) );
 330 }
 331
 332 //____________________________________________________________________________//
 333
 334 BOOST_TEST_CASE_TEMPLATE_FUNCTION( trim_test, CharT )
 335 {
 336     LOCAL_DEF( bcs0, "tes" );
 337
 338     bcs0.trim_right( 1 );
 339     BOOST_CHECK_EQUAL( bcs0.size(), (unsigned)2 );
 340     BOOST_CHECK_EQUAL( bcs0[0], 't' );
 341
 342     bcs0.trim_left( 1 );
 343     BOOST_CHECK_EQUAL( bcs0.size(), (unsigned)1 );
 344     BOOST_CHECK_EQUAL( bcs0[0], 'e' );
 345
 346     bcs0.trim_left( 1 );
 347     BOOST_CHECK( bcs0.is_empty() );
 348
 349     bcs0 = TEST_STRING;
 350     bcs0.trim_left( 11 );
 351     BOOST_CHECK( bcs0.is_empty() );
 352
 353     bcs0 = TEST_STRING;
 354     bcs0.trim_right( 11 );
 355     BOOST_CHECK( bcs0.is_empty() );
 356
 357     bcs0 = TEST_STRING;
 358     bcs0.trim_right( bcs0.size() - bcs0.find( LITERAL( "t_s" ) ) - 3 );
 359     BOOST_CHECK_EQUAL( bcs0, LITERAL( "test_s" ) );
 360
 361     bcs0.trim_left( bcs0.find( LITERAL( "t_s" ) ) );
 362     BOOST_CHECK_EQUAL( bcs0, LITERAL( "t_s" ) );
 363
 364     LOCAL_DEF( bcs1, "abcd   " );
 365     LOCAL_DEF( bcs2, "     abcd" );
 366     LOCAL_DEF( bcs3, "  abcd  " );
 367
 368     bcs1.trim_right();
 369     BOOST_CHECK_EQUAL( bcs1, LITERAL( "abcd" ) );
 370
 371     bcs2.trim_left();
 372     BOOST_CHECK_EQUAL( bcs2, LITERAL( "abcd" ) );
 373
 374     bcs3.trim( LITERAL( "\"" ) );
 375     BOOST_CHECK_EQUAL( bcs3, LITERAL( "  abcd  " ) );
 376
 377     bcs3.trim();
 378     BOOST_CHECK_EQUAL( bcs3, LITERAL( "abcd" ) );
 379
 380     bcs3.trim();
 381     BOOST_CHECK_EQUAL( bcs3, LITERAL( "abcd" ) );
 382 }
 383
 384 //____________________________________________________________________________//
 385
 386 BOOST_TEST_CASE_TEMPLATE_FUNCTION( io_test, CharT )
 387 {
 388     utf::basic_cstring<CharT> bcs1( TEST_STRING );
 389     bcs1.trim_right( 7 );
 390
 391     tt::output_test_stream ostr;
 392
 393     ostr << std::setw( 6 ) << bcs1;
 394     BOOST_CHECK( ostr.is_equal( "  test" ) );
 395
 396     ostr << std::setw( 3 ) << bcs1;
 397     BOOST_CHECK( ostr.is_equal( "test" ) );
 398
 399     ostr << std::setw( 5 ) << std::setiosflags( std::ios::left ) << bcs1;
 400     BOOST_CHECK( ostr.is_equal( "test " ) );
 401 }
 402
 403 //____________________________________________________________________________//
 404
 405 BOOST_TEST_CASE_TEMPLATE_FUNCTION( find_test, CharT )
 406 {
 407     typedef typename utf::basic_cstring<CharT>::size_type size;
 408     utf::basic_cstring<CharT> bcs1( TEST_STRING );
 409
 410     size not_found = (size)utf::basic_cstring<CharT>::npos;
 411
 412     BOOST_CHECK_EQUAL( bcs1.find( utf::basic_cstring<CharT>() ), not_found );
 413     BOOST_CHECK_EQUAL( bcs1.find( LITERAL( "test" ) ), (size)0 );
 414     BOOST_CHECK_EQUAL( bcs1.find( TEST_STRING ), (size)0 );
 415     BOOST_CHECK_EQUAL( bcs1.find( LITERAL( "test_string " ) ), not_found );
 416     BOOST_CHECK_EQUAL( bcs1.find( LITERAL( " test_string" ) ), not_found );
 417     BOOST_CHECK_EQUAL( bcs1.find( LITERAL( "est" ) ), (size)1 );
 418     BOOST_CHECK_EQUAL( bcs1.find( LITERAL( "t_st" ) ), (size)3 );
 419     BOOST_CHECK_EQUAL( bcs1.find( LITERAL( "ing" ) ), (size)8 );
 420     BOOST_CHECK_EQUAL( bcs1.find( LITERAL( "tst" ) ), not_found );
 421
 422     BOOST_CHECK_EQUAL( bcs1.rfind( utf::basic_cstring<CharT>() ), not_found );
 423     BOOST_CHECK_EQUAL( bcs1.rfind( LITERAL( "test" ) ), (size)0 );
 424     BOOST_CHECK_EQUAL( bcs1.rfind( TEST_STRING ), (size)0 );
 425     BOOST_CHECK_EQUAL( bcs1.rfind( LITERAL( "test_string " ) ), not_found );
 426     BOOST_CHECK_EQUAL( bcs1.rfind( LITERAL( " test_string" ) ), not_found );
 427     BOOST_CHECK_EQUAL( bcs1.rfind( LITERAL( "est" ) ), (size)1 );
 428     BOOST_CHECK_EQUAL( bcs1.rfind( LITERAL( "t_st" ) ), (size)3 );
 429     BOOST_CHECK_EQUAL( bcs1.rfind( LITERAL( "ing" ) ), (size)8 );
 430     BOOST_CHECK_EQUAL( bcs1.rfind( LITERAL( "tst" ) ), not_found );
 431 }
 432
 433 //____________________________________________________________________________//
 434
 435 void const_conversion()
 436 {
 437     char arr[] = { "ABC" };
 438
 439     utf::basic_cstring<char> str1( arr );
 440     utf::basic_cstring<char const> str2;
 441
 442     str2.assign( str1 );
 443
 444     BOOST_CHECK_EQUAL( str1, "ABC" );
 445     BOOST_CHECK_EQUAL( str2, "ABC" );
 446 }
 447
 448 //____________________________________________________________________________//
 449
 450 utf::test_suite*
 451 init_unit_test_suite( int /*argc*/, char* /*argv*/[] )
 452 {
 453     utf::test_suite* test= BOOST_TEST_SUITE("basic_cstring test");
 454
 455     test->add( BOOST_TEST_CASE_TEMPLATE( constructors_test, char_types ) );
 456 #if !BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x551))
 457     test->add( BOOST_TEST_CASE_TEMPLATE( constructors_std_string_test, base_const_char_types ) );
 458     test->add( BOOST_TEST_CASE_TEMPLATE( asignment_std_string_test, base_const_char_types ) );
 459     test->add( BOOST_TEST_CASE_TEMPLATE( comparison_std_string_test, base_const_char_types ) );
 460 #endif
 461     test->add( BOOST_TEST_CASE( array_construction_test ) );
 462     test->add( BOOST_TEST_CASE_TEMPLATE( data_access_test, char_types ) );
 463     test->add( BOOST_TEST_CASE_TEMPLATE( size_test, char_types ) );
 464     test->add( BOOST_TEST_CASE_TEMPLATE( asignment_test, char_types ) );
 465     test->add( BOOST_TEST_CASE_TEMPLATE( comparison_test, char_types ) );
 466     test->add( BOOST_TEST_CASE_TEMPLATE( ordering_test, char_types ) );
 467     test->add( BOOST_TEST_CASE_TEMPLATE( trim_test, char_types ) );
 468     test->add( BOOST_TEST_CASE_TEMPLATE( io_test, io_test_types ) );
 469     test->add( BOOST_TEST_CASE_TEMPLATE( find_test, char_types ) );
 470     test->add( BOOST_TEST_CASE( &const_conversion ) );
 471
 472     return test;
 473 }
 474
 475 // EOF