1 #include <string> 2 3 #if !defined (STLPORT) || !defined (_STLP_USE_NO_IOSTREAMS) 4 # include <fstream> 5 # include <locale> 6 # include <stdexcept> 7 # include <cstdio> // for WEOF 8 9 # include "cppunit/cppunit_proxy.h" 10 11 # if !defined (STLPORT) || defined(_STLP_USE_NAMESPACES) 12 using namespace std; 13 # endif 14 15 // 16 // TestCase class 17 // 18 class CodecvtTest : public CPPUNIT_NS::TestCase 19 { 20 CPPUNIT_TEST_SUITE(CodecvtTest); 21 #if defined (STLPORT) && defined (_STLP_NO_MEMBER_TEMPLATES) 22 CPPUNIT_IGNORE; 23 #endif 24 CPPUNIT_TEST(variable_encoding); 25 CPPUNIT_STOP_IGNORE; 26 #if defined (STLPORT) && (defined (_STLP_NO_WCHAR_T) || !defined (_STLP_USE_EXCEPTIONS)) 27 CPPUNIT_IGNORE; 28 #endif 29 CPPUNIT_TEST(in_out_test); 30 CPPUNIT_TEST(length_test); 31 CPPUNIT_TEST(imbue_while_reading); 32 CPPUNIT_TEST(special_encodings); 33 CPPUNIT_TEST_SUITE_END(); 34 35 protected: 36 void variable_encoding(); 37 void in_out_test(); 38 void length_test(); 39 void imbue_while_reading(); 40 void special_encodings(); 41 }; 42 43 CPPUNIT_TEST_SUITE_REGISTRATION(CodecvtTest); 44 45 #if defined (STLPORT) 46 # define __NO_THROW _STLP_NOTHROW 47 #else 48 # define __NO_THROW throw() 49 #endif 50 51 52 /* Codecvt facet eating some characters from the external buffer. 53 * Transform '01' in 'a' 54 */ 55 struct eater_codecvt : public codecvt<char, char, mbstate_t> { 56 typedef codecvt<char,char,mbstate_t> base; 57 58 explicit eater_codecvt(size_t refs = 0) : base(refs) {} 59 60 // primitive conversion 61 virtual base::result 62 do_in(mbstate_t& mb, 63 const char* ebegin, const char* eend, const char*& ecur, 64 char* ibegin, char* iend, char*& icur) const __NO_THROW { 65 char *state = (char*)&mb; 66 ecur = ebegin; 67 icur = ibegin; 68 69 while (ecur != eend) { 70 if (icur == iend) 71 return partial; 72 if (*ecur == '0' || *state == 1) { 73 if (*state != 1) { 74 ++ecur; 75 } 76 if (ecur == eend) { 77 *state = 1; 78 return ok; 79 } 80 81 if (*ecur == '1') { 82 *icur = 'a'; 83 } 84 else { 85 *(icur++) = '0'; 86 if (icur == iend) { 87 if (*state != 1) { 88 --ecur; 89 } 90 return partial; 91 } 92 *icur = *ecur; 93 } 94 } 95 else { 96 *icur = *ecur; 97 } 98 99 *state = 0; 100 ++icur; 101 ++ecur; 102 } 103 104 return ok; 105 } 106 107 // claim it's not a null-conversion 108 virtual bool do_always_noconv() const __NO_THROW 109 { return false; } 110 111 // claim it doesn't have a fixed-length encoding 112 virtual int do_encoding() const __NO_THROW 113 { return 0; } 114 115 // implemented for consistency with do_in overload 116 virtual int do_length(mbstate_t &state, 117 const char *efrom, const char *eend, size_t m) const { 118 char *ibegin = new char[m]; 119 const char *ecur = efrom; 120 char *icur = ibegin; 121 mbstate_t tmp = state; 122 do_in(tmp, efrom, eend, ecur, ibegin, ibegin + m, icur); 123 delete[] ibegin; 124 return ecur - efrom; 125 } 126 127 virtual int do_max_length() const __NO_THROW 128 { return 2; } 129 130 #ifdef __DMC__ 131 static locale::id id; 132 #endif 133 }; 134 135 #ifdef __DMC__ 136 locale::id eater_codecvt::id; 137 138 locale::id& _GetFacetId(const eater_codecvt*) 139 { return eater_codecvt::id; } 140 #endif 141 142 /* Codecvt facet generating more characters than the ones read from the 143 * external buffer, transform '01' in 'abc' 144 * This kind of facet do not allow systematical positionning in the external 145 * buffer (tellg -> -1), when you just read a 'a' you are at an undefined 146 * external buffer position. 147 */ 148 struct generator_codecvt : public codecvt<char, char, mbstate_t> { 149 typedef codecvt<char,char,mbstate_t> base; 150 151 explicit generator_codecvt(size_t refs = 0) : base(refs) {} 152 153 // primitive conversion 154 virtual base::result 155 do_in(mbstate_t& mb, 156 const char* ebegin, const char* eend, const char*& ecur, 157 char* ibegin, char* iend, char*& icur) const __NO_THROW { 158 //Access the mbstate information in a portable way: 159 char *state = (char*)&mb; 160 ecur = ebegin; 161 icur = ibegin; 162 163 if (icur == iend) return ok; 164 165 if (*state == 2) { 166 *(icur++) = 'b'; 167 if (icur == iend) { 168 *state = 3; 169 return ok; 170 } 171 *(icur++) = 'c'; 172 *state = 0; 173 } 174 else if (*state == 3) { 175 *(icur++) = 'c'; 176 *state = 0; 177 } 178 179 while (ecur != eend) { 180 if (icur == iend) 181 return ok; 182 if (*ecur == '0' || *state == 1) { 183 if (*state != 1) { 184 ++ecur; 185 } 186 if (ecur == eend) { 187 *state = 1; 188 return partial; 189 } 190 191 if (*ecur == '1') { 192 *(icur++) = 'a'; 193 if (icur == iend) { 194 *state = 2; 195 return ok; 196 } 197 *(icur++) = 'b'; 198 if (icur == iend) { 199 *state = 3; 200 return ok; 201 } 202 *icur = 'c'; 203 } 204 else { 205 *(icur++) = '0'; 206 if (icur == iend) { 207 if (*state != 1) { 208 --ecur; 209 } 210 return ok; 211 } 212 *icur = *ecur; 213 } 214 } 215 else { 216 *icur = *ecur; 217 } 218 219 *state = 0; 220 ++icur; 221 ++ecur; 222 } 223 224 return ok; 225 } 226 227 // claim it's not a null-conversion 228 virtual bool do_always_noconv() const __NO_THROW 229 { return false; } 230 231 // claim it doesn't have a fixed-length encoding 232 virtual int do_encoding() const __NO_THROW 233 { return 0; } 234 235 // implemented for consistency with do_in overload 236 virtual int do_length(mbstate_t &mb, 237 const char *efrom, const char *eend, size_t m) const { 238 const char *state = (const char*)&mb; 239 int offset = 0; 240 if (*state == 2) 241 offset = 2; 242 else if (*state == 3) 243 offset = 1; 244 245 char *ibegin = new char[m + offset]; 246 const char *ecur = efrom; 247 char *icur = ibegin; 248 mbstate_t tmpState = mb; 249 do_in(tmpState, efrom, eend, ecur, ibegin, ibegin + m + offset, icur); 250 /* 251 char *state = (char*)&tmpState; 252 if (*state != 0) { 253 if (*state == 1) 254 --ecur; 255 else if (*state == 2 || *state == 3) { 256 //Undefined position, we return -1: 257 ecur = efrom - 1; 258 } 259 } 260 else { 261 if (*((char*)&mb) != 0) { 262 //We take into account the character that hasn't been counted yet in 263 //the previous decoding step: 264 ecur++; 265 } 266 } 267 */ 268 delete[] ibegin; 269 return (int)min((size_t)(ecur - efrom), m); 270 } 271 272 virtual int do_max_length() const __NO_THROW 273 { return 0; } 274 #ifdef __DMC__ 275 static locale::id id; 276 #endif 277 }; 278 279 #ifdef __DMC__ 280 locale::id generator_codecvt::id; 281 282 locale::id& _GetFacetId(const generator_codecvt*) 283 { return generator_codecvt::id; } 284 #endif 285 286 // 287 // tests implementation 288 // 289 #include <iostream> 290 void CodecvtTest::variable_encoding() 291 { 292 #if !defined (STLPORT) || !defined (_STLP_NO_MEMBER_TEMPLATES) 293 //We first generate the file used for test: 294 const char* fileName = "test_file.txt"; 295 { 296 ofstream ostr(fileName); 297 //Maybe we simply do not have write access to repository 298 CPPUNIT_ASSERT( ostr.good() ); 299 for (int i = 0; i < 2048; ++i) { 300 ostr << "0123456789"; 301 } 302 CPPUNIT_ASSERT( ostr.good() ); 303 } 304 305 { 306 ifstream istr(fileName); 307 CPPUNIT_ASSERT( istr.good() ); 308 CPPUNIT_ASSERT( !istr.eof() ); 309 310 eater_codecvt codec(1); 311 locale loc(locale::classic(), &codec); 312 313 istr.imbue(loc); 314 CPPUNIT_ASSERT( istr.good() ); 315 CPPUNIT_ASSERT( (int)istr.tellg() == 0 ); 316 317 int theoricalPos = 0; 318 do { 319 int c = istr.get(); 320 if (char_traits<char>::eq_int_type(c, char_traits<char>::eof())) { 321 break; 322 } 323 ++theoricalPos; 324 if (c == 'a') { 325 ++theoricalPos; 326 } 327 328 CPPUNIT_ASSERT( (int)istr.tellg() == theoricalPos ); 329 } 330 while (!istr.eof()); 331 cerr << "out!\n"; 332 CPPUNIT_ASSERT( istr.eof() ); 333 cerr << "fin!\n"; 334 } 335 336 # if 0 337 /* This test is broken, not sure if it is really possible to get a position in 338 * a locale having a codecvt such as generator_codecvt. Maybe generator_codecvt 339 * is not a valid theorical example of codecvt implementation. */ 340 { 341 ifstream istr(fileName); 342 CPPUNIT_ASSERT( istr.good() ); 343 CPPUNIT_ASSERT( !istr.eof() ); 344 345 generator_codecvt codec(1); 346 locale loc(locale::classic(), &codec); 347 348 istr.imbue(loc); 349 CPPUNIT_ASSERT( istr.good() ); 350 CPPUNIT_ASSERT( (int)istr.tellg() == 0 ); 351 352 int theoricalPos = 0; 353 int theoricalTellg; 354 do { 355 char c = istr.get(); 356 if (c == char_traits<char>::eof()) { 357 break; 358 } 359 switch (c) { 360 case 'a': 361 case 'b': 362 theoricalTellg = -1; 363 break; 364 case 'c': 365 ++theoricalPos; 366 default: 367 ++theoricalPos; 368 theoricalTellg = theoricalPos; 369 break; 370 } 371 372 if ((int)istr.tellg() != theoricalTellg) { 373 CPPUNIT_ASSERT( (int)istr.tellg() == theoricalTellg ); 374 } 375 } 376 while (!istr.eof()); 377 378 CPPUNIT_ASSERT( istr.eof() ); 379 } 380 # endif 381 #endif 382 } 383 384 void CodecvtTest::in_out_test() 385 { 386 #if !defined (STLPORT) || !(defined (_STLP_NO_WCHAR_T) || !defined (_STLP_USE_EXCEPTIONS)) 387 try { 388 locale loc(""); 389 390 typedef codecvt<wchar_t, char, mbstate_t> cdecvt_type; 391 if (has_facet<cdecvt_type>(loc)) { 392 cdecvt_type const& cdect = use_facet<cdecvt_type>(loc); 393 { 394 cdecvt_type::state_type state; 395 memset(&state, 0, sizeof(cdecvt_type::state_type)); 396 string from("abcdef"); 397 const char* next_from; 398 wchar_t to[1]; 399 wchar_t *next_to; 400 cdecvt_type::result res = cdect.in(state, from.data(), from.data() + from.size(), next_from, 401 to, to + sizeof(to) / sizeof(wchar_t), next_to); 402 CPPUNIT_ASSERT( res == cdecvt_type::ok ); 403 CPPUNIT_ASSERT( next_from == from.data() + 1 ); 404 CPPUNIT_ASSERT( next_to == &to[0] + 1 ); 405 CPPUNIT_ASSERT( to[0] == L'a'); 406 } 407 { 408 cdecvt_type::state_type state; 409 memset(&state, 0, sizeof(cdecvt_type::state_type)); 410 wstring from(L"abcdef"); 411 const wchar_t* next_from; 412 char to[1]; 413 char *next_to; 414 cdecvt_type::result res = cdect.out(state, from.data(), from.data() + from.size(), next_from, 415 to, to + sizeof(to) / sizeof(char), next_to); 416 CPPUNIT_ASSERT( res == cdecvt_type::ok ); 417 CPPUNIT_ASSERT( next_from == from.data() + 1 ); 418 CPPUNIT_ASSERT( next_to == &to[0] + 1 ); 419 CPPUNIT_ASSERT( to[0] == 'a'); 420 } 421 } 422 } 423 catch (runtime_error const&) { 424 } 425 catch (...) { 426 CPPUNIT_FAIL; 427 } 428 #endif 429 } 430 431 void CodecvtTest::length_test() 432 { 433 #if !defined (STLPORT) || !(defined (_STLP_NO_WCHAR_T) || !defined (_STLP_USE_EXCEPTIONS)) 434 try { 435 locale loc(""); 436 437 typedef codecvt<wchar_t, char, mbstate_t> cdecvt_type; 438 if (has_facet<cdecvt_type>(loc)) { 439 cdecvt_type const& cdect = use_facet<cdecvt_type>(loc); 440 { 441 cdecvt_type::state_type state; 442 memset(&state, 0, sizeof(cdecvt_type::state_type)); 443 string from("abcdef"); 444 int res = cdect.length(state, from.data(), from.data() + from.size(), from.size()); 445 CPPUNIT_ASSERT( (size_t)res == from.size() ); 446 } 447 } 448 } 449 catch (runtime_error const&) { 450 } 451 catch (...) { 452 CPPUNIT_FAIL; 453 } 454 #endif 455 } 456 457 #if !defined (STLPORT) || !(defined (_STLP_NO_WCHAR_T) || !defined (_STLP_USE_EXCEPTIONS)) 458 typedef std::codecvt<wchar_t, char, mbstate_t> my_codecvt_base; 459 460 class my_codecvt : public my_codecvt_base { 461 public: 462 explicit my_codecvt(size_t r = 0) 463 : my_codecvt_base(r) {} 464 465 protected: 466 virtual result do_in(state_type& /*state*/, const extern_type* first1, 467 const extern_type* last1, const extern_type*& next1, 468 intern_type* first2, intern_type* last2, 469 intern_type*& next2) const { 470 for ( next1 = first1, next2 = first2; next1 < last1; next1 += 2 ) { 471 if ( (last1 - next1) < 2 || (last2 - next2) < 1 ) 472 return partial; 473 *next2++ = (intern_type)((*(next1 + 1) << 8) | (*next1 & 255)); 474 } 475 return ok; 476 } 477 virtual bool do_always_noconv() const __NO_THROW 478 { return false; } 479 virtual int do_max_length() const __NO_THROW 480 { return 2; } 481 virtual int do_encoding() const __NO_THROW 482 { return 2; } 483 }; 484 #endif 485 486 void CodecvtTest::imbue_while_reading() 487 { 488 #if !defined (STLPORT) || !(defined (_STLP_NO_WCHAR_T) || !defined (_STLP_USE_EXCEPTIONS)) 489 { 490 wofstream ofs( "test.txt" ); 491 const wchar_t buf[] = L" "; 492 for ( int i = 0; i < 4098; ++i ) { 493 ofs << buf[0]; 494 } 495 } 496 497 wifstream ifs("test.txt"); // a file containing 4098 wchars 498 499 ifs.imbue( locale(locale(), new my_codecvt) ); 500 ifs.get(); 501 ifs.seekg(0); 502 ifs.imbue( locale() ); 503 ifs.ignore(4096); 504 int ch = ifs.get(); 505 CPPUNIT_CHECK( ch != (int)WEOF ); 506 #endif 507 } 508 509 void CodecvtTest::special_encodings() 510 { 511 #if !defined (STLPORT) || (!defined (_STLP_NO_WCHAR_T) && defined (_STLP_USE_EXCEPTIONS)) 512 { 513 locale loc(locale::classic(), new codecvt_byname<wchar_t, char, mbstate_t>("C")); 514 codecvt<wchar_t, char, mbstate_t> const& cvt = use_facet<codecvt<wchar_t, char, mbstate_t> >(loc); 515 mbstate_t state; 516 memset(&state, 0, sizeof(mbstate_t)); 517 char c = '0'; 518 const char *from_next; 519 wchar_t wc; 520 wchar_t *to_next; 521 CPPUNIT_ASSERT( cvt.in(state, &c, &c + 1, from_next, &wc, &wc, to_next) == codecvt_base::ok ); 522 CPPUNIT_ASSERT( to_next == &wc ); 523 CPPUNIT_ASSERT( cvt.in(state, &c, &c + 1, from_next, &wc, &wc + 1, to_next) == codecvt_base::ok ); 524 CPPUNIT_ASSERT( wc == L'0' ); 525 CPPUNIT_ASSERT( to_next == &wc + 1 ); 526 } 527 try 528 { 529 wstring cp936_wstr; 530 const string cp936_str = "\xd6\xd0\xb9\xfa\xc9\xe7\xbb\xe1\xbf\xc6\xd1\xa7\xd4\xba\xb7\xa2\xb2\xbc\x32\x30\x30\x38\xc4\xea\xa1\xb6\xbe\xad\xbc\xc3\xc0\xb6\xc6\xa4\xca\xe9\xa1\xb7\xd6\xb8\xb3\xf6\xa3\xac\x32\x30\x30\x37\xc4\xea\xd6\xd0\xb9\xfa\xbe\xad\xbc\xc3\xd4\xf6\xb3\xa4\xd3\xc9\xc6\xab\xbf\xec\xd7\xaa\xcf\xf2\xb9\xfd\xc8\xc8\xb5\xc4\xc7\xf7\xca\xc6\xc3\xf7\xcf\xd4\xd4\xa4\xbc\xc6\xc8\xab\xc4\xea\x47\x44\x50\xd4\xf6\xcb\xd9\xbd\xab\xb4\xef\x31\x31\x2e\x36\x25\xa1\xa3"; 531 locale loc(locale::classic(), ".936", locale::ctype); 532 codecvt<wchar_t, char, mbstate_t> const& cvt = use_facet<codecvt<wchar_t, char, mbstate_t> >(loc); 533 mbstate_t state; 534 memset(&state, 0, sizeof(mbstate_t)); 535 536 codecvt_base::result res; 537 538 { 539 wchar_t wbuf[4096]; 540 // Check we will have enough room for the generated wide string generated from the whole char buffer: 541 int len = cvt.length(state, cp936_str.data(), cp936_str.data() + cp936_str.size(), sizeof(wbuf) / sizeof(wchar_t)); 542 CPPUNIT_ASSERT( cp936_str.size() == (size_t)len ); 543 544 const char *from_next; 545 wchar_t *to_next; 546 res = cvt.in(state, cp936_str.data(), cp936_str.data() + cp936_str.size(), from_next, 547 wbuf, wbuf + sizeof(wbuf) / sizeof(wchar_t), to_next); 548 CPPUNIT_ASSERT( res == codecvt_base::ok ); 549 CPPUNIT_ASSERT( from_next == cp936_str.data() + cp936_str.size() ); 550 cp936_wstr.assign(wbuf, to_next); 551 } 552 553 { 554 const wchar_t *from_next; 555 char buf[4096]; 556 char *to_next; 557 res = cvt.out(state, cp936_wstr.data(), cp936_wstr.data() + cp936_wstr.size(), from_next, 558 buf, buf + sizeof(buf), to_next); 559 CPPUNIT_ASSERT( res == codecvt_base::ok ); 560 CPPUNIT_CHECK( string(buf, to_next) == cp936_str ); 561 } 562 } 563 catch (const runtime_error&) 564 { 565 CPPUNIT_MESSAGE("Not enough platform localization support to check 936 code page encoding."); 566 } 567 try 568 { 569 const string utf8_str = "\xe4\xb8\xad\xe5\x9b\xbd\xe7\xa4\xbe\xe4\xbc\x9a\xe7\xa7\x91\xe5\xad\xa6\xe9\x99\xa2\xe5\x8f\x91\xe5\xb8\x83\x32\x30\x30\x38\xe5\xb9\xb4\xe3\x80\x8a\xe7\xbb\x8f\xe6\xb5\x8e\xe8\x93\x9d\xe7\x9a\xae\xe4\xb9\xa6\xe3\x80\x8b\xe6\x8c\x87\xe5\x87\xba\xef\xbc\x8c\x32\x30\x30\x37\xe5\xb9\xb4\xe4\xb8\xad\xe5\x9b\xbd\xe7\xbb\x8f\xe6\xb5\x8e\xe5\xa2\x9e\xe9\x95\xbf\xe7\x94\xb1\xe5\x81\x8f\xe5\xbf\xab\xe8\xbd\xac\xe5\x90\x91\xe8\xbf\x87\xe7\x83\xad\xe7\x9a\x84\xe8\xb6\x8b\xe5\x8a\xbf\xe6\x98\x8e\xe6\x98\xbe\xe9\xa2\x84\xe8\xae\xa1\xe5\x85\xa8\xe5\xb9\xb4\x47\x44\x50\xe5\xa2\x9e\xe9\x80\x9f\xe5\xb0\x86\xe8\xbe\xbe\x31\x31\x2e\x36\x25\xe3\x80\x82"; 570 wstring utf8_wstr; 571 locale loc(locale::classic(), new codecvt_byname<wchar_t, char, mbstate_t>(".utf8")); 572 codecvt<wchar_t, char, mbstate_t> const& cvt = use_facet<codecvt<wchar_t, char, mbstate_t> >(loc); 573 mbstate_t state; 574 memset(&state, 0, sizeof(mbstate_t)); 575 576 codecvt_base::result res; 577 578 { 579 wchar_t wbuf[4096]; 580 // Check we will have enough room for the wide string generated from the whole char buffer: 581 int len = cvt.length(state, utf8_str.data(), utf8_str.data() + utf8_str.size(), sizeof(wbuf) / sizeof(wchar_t)); 582 CPPUNIT_ASSERT( utf8_str.size() == (size_t)len ); 583 584 const char *from_next; 585 wchar_t *to_next; 586 res = cvt.in(state, utf8_str.data(), utf8_str.data() + utf8_str.size(), from_next, 587 wbuf, wbuf + sizeof(wbuf) / sizeof(wchar_t), to_next); 588 CPPUNIT_ASSERT( res == codecvt_base::ok ); 589 CPPUNIT_ASSERT( from_next == utf8_str.data() + utf8_str.size() ); 590 utf8_wstr.assign(wbuf, to_next); 591 592 // Try to read one char after the other: 593 wchar_t wc; 594 const char* from = utf8_str.data(); 595 const char* from_end = from + utf8_str.size(); 596 from_next = utf8_str.data(); 597 size_t length = 1; 598 size_t windex = 0; 599 while (from + length <= from_end) { 600 res = cvt.in(state, from, from + length, from_next, 601 &wc, &wc + 1, to_next); 602 switch (res) { 603 case codecvt_base::ok: 604 // reset length: 605 from = from_next; 606 length = 1; 607 CPPUNIT_ASSERT( wc == utf8_wstr[windex++] ); 608 wc = 0; 609 break; 610 case codecvt_base::partial: 611 if (from_next == from) 612 // from_next hasn't move so we have to pass more chars 613 ++length; 614 else 615 // char between from and from_next has been eaten, we simply restart 616 // conversion from from_next: 617 from = from_next; 618 continue; 619 case codecvt_base::error: 620 case codecvt_base::noconv: 621 CPPUNIT_FAIL; 622 //break; 623 } 624 } 625 CPPUNIT_ASSERT( windex == utf8_wstr.size() ); 626 } 627 628 { 629 const wchar_t *from_next; 630 char buf[4096]; 631 char *to_next; 632 res = cvt.out(state, utf8_wstr.data(), utf8_wstr.data() + utf8_wstr.size(), from_next, 633 buf, buf + sizeof(buf), to_next); 634 CPPUNIT_ASSERT( res == codecvt_base::ok ); 635 CPPUNIT_CHECK( string(buf, to_next) == utf8_str ); 636 } 637 638 { 639 // Check that an obviously wrong UTF8 encoded string is correctly detected: 640 const string bad_utf8_str("\xdf\xdf\xdf\xdf\xdf"); 641 wchar_t wc; 642 const char *from_next; 643 wchar_t *to_next; 644 res = cvt.in(state, bad_utf8_str.data(), bad_utf8_str.data() + bad_utf8_str.size(), from_next, 645 &wc, &wc + 1, to_next); 646 CPPUNIT_ASSERT( res == codecvt_base::error ); 647 } 648 } 649 catch (const runtime_error&) 650 { 651 CPPUNIT_MESSAGE("Not enough platform localization support to check UTF8 encoding."); 652 } 653 #endif 654 } 655 656 #endif 657
