ceph/src/boost/libs/filesystem/test/path_unit_test.cpp

   1 //  filesystem path_unit_test.cpp  ---------------------------------------------------  //
   2
   3 //  Copyright Beman Dawes 2008, 2009
   4
   5 //  Distributed under the Boost Software License, Version 1.0.
   6 //  See http://www.boost.org/LICENSE_1_0.txt
   7
   8 //  Library home page: http://www.boost.org/libs/filesystem
   9
  10 //  ----------------------------------------------------------------------------------  //
  11 //
  12 //  The purpose of this test is to ensure that each function in the public
  13 //  interface can be called with arguments of the appropriate types. It does
  14 //  not attempt to verify that the full range of values for each argument
  15 //  are processed correctly.
  16 //
  17 //  For full functionality tests, including probes with many different argument
  18 //  values, see path_test.cpp and other test programs.
  19 //
  20 //  ----------------------------------------------------------------------------------  //
  21
  22 #include <boost/config/warning_disable.hpp>
  23
  24 //  See deprecated_test for tests of deprecated features
  25 #ifndef BOOST_FILESYSTEM_NO_DEPRECATED
  26 # define BOOST_FILESYSTEM_NO_DEPRECATED
  27 #endif
  28 #ifndef BOOST_SYSTEM_NO_DEPRECATED
  29 # define BOOST_SYSTEM_NO_DEPRECATED
  30 #endif
  31
  32 #include <boost/filesystem/path.hpp>
  33
  34 #include <boost/filesystem/detail/utf8_codecvt_facet.hpp>  // for imbue tests
  35 #include "test_codecvt.hpp"                                // for codecvt arg tests
  36 #include <boost/detail/lightweight_test_report.hpp>
  37 #include <boost/smart_ptr.hpp>  // used constructor tests
  38 #include <boost/functional/hash.hpp>
  39
  40 #include <iostream>
  41 #include <iomanip>
  42 #include <sstream>
  43 #include <string>
  44 #include <cstring>
  45 #include <cwchar>
  46 #include <locale>
  47 #include <list>
  48
  49 namespace fs = boost::filesystem;
  50 namespace bs = boost::system;
  51 using boost::filesystem::path;
  52 using std::cout;
  53 using std::endl;
  54 using std::string;
  55 using std::wstring;
  56
  57 #define CHECK(x) check(x, __FILE__, __LINE__)
  58 #define PATH_IS(a, b) check_path(a, b, __FILE__, __LINE__)
  59 #define NATIVE_IS(p, s, ws) check_native(p, s, ws, __FILE__, __LINE__)
  60 #define IS(a,b) check_equal(a, b, __FILE__, __LINE__)
  61
  62 #if defined(_MSC_VER)
  63 # pragma warning(push) // Save warning settings.
  64 # pragma warning(disable : 4428) // Disable universal-character-name encountered in source warning.
  65 #endif
  66
  67 namespace
  68 {
  69
  70   boost::system::error_code ec;
  71   const boost::system::error_code ok;
  72   const boost::system::error_code ng(-1, boost::system::system_category());
  73
  74   std::string platform(BOOST_PLATFORM);
  75
  76   void check_path(const path& source,
  77               const wstring& expected, const char* file, int line)
  78   {
  79     if (source == expected) return;
  80
  81     ++::boost::detail::test_errors();
  82
  83     std::cout << file;
  84     std::wcout << L'(' << line << L"): source.wstring(): \""
  85                << source.wstring()
  86                << L"\" != expected: \"" << expected
  87                << L"\"\n" ;
  88   }
  89
  90 # ifdef BOOST_WINDOWS_API
  91   void check_native(const path& p,
  92     const string&, const wstring& expected, const char* file, int line)
  93 # else
  94   void check_native(const path& p,
  95     const string& expected, const wstring&, const char* file, int line)
  96 # endif
  97   {
  98     if (p.native() == expected) return;
  99
 100     ++::boost::detail::test_errors();
 101
 102     std::cout << file  << '(' << line << "): native() is not equal expected\n"
 103       "  native---: " << std::hex;
 104     path::string_type nat(p.native());
 105     for (path::string_type::const_iterator it = nat.begin(); it != nat.end(); ++it)
 106       std::cout << long(*it) << ' ';
 107     std::cout << "\n  expected-: ";
 108     for (path::string_type::const_iterator it = expected.begin(); it != expected.end(); ++it)
 109       std::cout << long(*it) << ' ';
 110     std::cout << std::dec << std::endl;
 111   }
 112
 113   template< class T1, class T2 >
 114   void check_equal(const T1& value,
 115                     const T2& expected, const char* file, int line)
 116   {
 117     if (value == expected) return;
 118
 119     ++::boost::detail::test_errors();
 120
 121     std::cout << file;
 122
 123     std::wcout << L'(' << line << L"): value: \"" << value
 124                << L"\" != expected: \"" << expected
 125                << L"\"\n" ;
 126   }
 127
 128   void check(bool ok_, const char* file, int line)
 129   {
 130     if (ok_) return;
 131
 132     ++::boost::detail::test_errors();
 133
 134     std::cout << file << '(' << line << "): test failed\n";
 135   }
 136
 137   string s("string");
 138   wstring ws(L"wstring");
 139   std::list<char> l;      // see main() for initialization to s, t, r, i, n, g
 140   std::list<wchar_t> wl;  // see main() for initialization to w, s, t, r, i, n, g
 141   std::vector<char> v;      // see main() for initialization to f, u, z
 142   std::vector<wchar_t> wv;  // see main() for initialization to w, f, u, z
 143
 144   class Base {};
 145   class Derived : public Base {};
 146   void fun(const boost::shared_ptr< Base >&) {}
 147
 148   //  test_constructors  ---------------------------------------------------------------//
 149
 150   void test_constructors()
 151   {
 152     std::cout << "testing constructors..." << std::endl;
 153
 154     path x0;                                           // default constructor
 155     PATH_IS(x0, L"");
 156     BOOST_TEST_EQ(x0.native().size(), 0U);
 157
 158     path x1(l.begin(), l.end());                       // iterator range char
 159     PATH_IS(x1, L"string");
 160     BOOST_TEST_EQ(x1.native().size(), 6U);
 161
 162     path x2(x1);                                       // copy constructor
 163     PATH_IS(x2, L"string");
 164     BOOST_TEST_EQ(x2.native().size(), 6U);
 165
 166     path x3(wl.begin(), wl.end());                     // iterator range wchar_t
 167     PATH_IS(x3, L"wstring");
 168     BOOST_TEST_EQ(x3.native().size(), 7U);
 169
 170     // contiguous containers
 171     path x4(string("std::string"));                    // std::string
 172     PATH_IS(x4, L"std::string");
 173     BOOST_TEST_EQ(x4.native().size(), 11U);
 174
 175     path x5(wstring(L"std::wstring"));                 // std::wstring
 176     PATH_IS(x5, L"std::wstring");
 177     BOOST_TEST_EQ(x5.native().size(), 12U);
 178
 179     path x4v(v);                                       // std::vector<char>
 180     PATH_IS(x4v, L"fuz");
 181     BOOST_TEST_EQ(x4v.native().size(), 3U);
 182
 183     path x5v(wv);                                      // std::vector<wchar_t>
 184     PATH_IS(x5v, L"wfuz");
 185     BOOST_TEST_EQ(x5v.native().size(), 4U);
 186
 187     path x6("array char");                             // array char
 188     PATH_IS(x6, L"array char");
 189     BOOST_TEST_EQ(x6.native().size(), 10U);
 190
 191     path x7(L"array wchar_t");                         // array wchar_t
 192     PATH_IS(x7, L"array wchar_t");
 193     BOOST_TEST_EQ(x7.native().size(), 13U);
 194
 195     char char_array[100];
 196     std::strcpy(char_array, "big array char");
 197     path x6o(char_array);                              // array char, only partially full
 198     PATH_IS(x6o, L"big array char");
 199     BOOST_TEST_EQ(x6o.native().size(), 14U);
 200
 201     wchar_t wchar_array[100];
 202     std::wcscpy(wchar_array, L"big array wchar_t");
 203     path x7o(wchar_array);                             // array char, only partially full
 204     PATH_IS(x7o, L"big array wchar_t");
 205     BOOST_TEST_EQ(x7o.native().size(), 17U);
 206
 207     path x8(s.c_str());                                // const char* null terminated
 208     PATH_IS(x8, L"string");
 209     BOOST_TEST_EQ(x8.native().size(), 6U);
 210
 211     path x9(ws.c_str());                               // const wchar_t* null terminated
 212     PATH_IS(x9, L"wstring");
 213     BOOST_TEST_EQ(x9.native().size(), 7U);
 214
 215     path x8nc(const_cast<char*>(s.c_str()));           // char* null terminated
 216     PATH_IS(x8nc, L"string");
 217     BOOST_TEST_EQ(x8nc.native().size(), 6U);
 218
 219     path x9nc(const_cast<wchar_t*>(ws.c_str()));       // wchar_t* null terminated
 220     PATH_IS(x9nc, L"wstring");
 221     BOOST_TEST_EQ(x9nc.native().size(), 7U);
 222
 223     // non-contiguous containers
 224     path x10(l);                                       // std::list<char>
 225     PATH_IS(x10, L"string");
 226     BOOST_TEST_EQ(x10.native().size(), 6U);
 227
 228     path xll(wl);                                      // std::list<wchar_t>
 229     PATH_IS(xll, L"wstring");
 230     BOOST_TEST_EQ(xll.native().size(), 7U);
 231
 232     // easy-to-make coding errors
 233     // path e1(x0, path::codecvt());  // fails to compile, and that is OK
 234
 235     boost::shared_ptr< Derived > pDerived( new Derived() );
 236     fun( pDerived );  // tests constructor member template enable_if working correctly;
 237                       // will fail to compile if enable_if not taking path off the table
 238   }
 239
 240   path x;
 241   path y;
 242
 243   //  test_assignments  ----------------------------------------------------------------//
 244
 245   void test_assignments()
 246   {
 247     std::cout << "testing assignments..." << std::endl;
 248
 249     x = path("yet another path");                      // another path
 250     PATH_IS(x, L"yet another path");
 251     BOOST_TEST_EQ(x.native().size(), 16U);
 252
 253     x = x;                                             // self-assignment
 254     PATH_IS(x, L"yet another path");
 255     BOOST_TEST_EQ(x.native().size(), 16U);
 256
 257     x.assign(l.begin(), l.end());                      // iterator range char
 258     PATH_IS(x, L"string");
 259
 260     x.assign(wl.begin(), wl.end());                    // iterator range wchar_t
 261     PATH_IS(x, L"wstring");
 262
 263     x = string("std::string");                         // container char
 264     PATH_IS(x, L"std::string");
 265
 266     x = wstring(L"std::wstring");                      // container wchar_t
 267     PATH_IS(x, L"std::wstring");
 268
 269     x = "array char";                                  // array char
 270     PATH_IS(x, L"array char");
 271
 272     x = L"array wchar";                                // array wchar_t
 273     PATH_IS(x, L"array wchar");
 274
 275     x = s.c_str();                                     // const char* null terminated
 276     PATH_IS(x, L"string");
 277
 278     x = ws.c_str();                                    // const wchar_t* null terminated
 279     PATH_IS(x, L"wstring");
 280    }
 281
 282   //  test_move_construction_and_assignment  -------------------------------------------//
 283
 284   void test_move_construction_and_assignment()
 285   {
 286     std::cout << "testing move_construction_and_assignment..." << std::endl;
 287
 288 # if !defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
 289     path from("long enough to avoid small object optimization");
 290     path to(std::move(from));
 291     BOOST_TEST(to == "long enough to avoid small object optimization");
 292     if (!from.empty())
 293       cout << "Note: move construction did not result in empty source path" << endl;
 294
 295     path from2("long enough to avoid small object optimization");
 296     path to2;
 297     to2 = std::move(from2);
 298     BOOST_TEST(to2 == "long enough to avoid small object optimization");
 299     if (!from2.empty())
 300       cout << "Note: move assignment did not result in empty rhs path" << endl;
 301 # else
 302     std::cout <<
 303       "Test skipped because compiler does not support move semantics" << std::endl;
 304 # endif
 305
 306   }
 307
 308   //  test_appends  --------------------------------------------------------------------//
 309
 310   void test_appends()
 311   {
 312     std::cout << "testing appends..." << std::endl;
 313
 314 # ifdef BOOST_WINDOWS_API
 315 #   define BOOST_FS_FOO L"/foo\\"
 316 # else   // POSIX paths
 317 #   define BOOST_FS_FOO L"/foo/"
 318 # endif
 319
 320     x = "/foo";
 321     x /= path("");                                      // empty path
 322     PATH_IS(x, L"/foo");
 323
 324     x = "/foo";
 325     x /= path("/");                                     // slash path
 326     PATH_IS(x, L"/foo/");
 327
 328     x = "/foo";
 329     x /= path("/boo");                                  // slash path
 330     PATH_IS(x, L"/foo/boo");
 331
 332     x = "/foo";
 333     x /= x;                                             // self-append
 334     PATH_IS(x, L"/foo/foo");
 335
 336     x = "/foo";
 337     x /= path("yet another path");                      // another path
 338     PATH_IS(x, BOOST_FS_FOO L"yet another path");
 339
 340     x = "/foo";
 341     x.append(l.begin(), l.end());                      // iterator range char
 342     PATH_IS(x, BOOST_FS_FOO L"string");
 343
 344     x = "/foo";
 345     x.append(wl.begin(), wl.end());                    // iterator range wchar_t
 346     PATH_IS(x, BOOST_FS_FOO L"wstring");
 347
 348     x = "/foo";
 349     x /= string("std::string");                         // container char
 350     PATH_IS(x, BOOST_FS_FOO L"std::string");
 351
 352     x = "/foo";
 353     x /= wstring(L"std::wstring");                      // container wchar_t
 354     PATH_IS(x, BOOST_FS_FOO L"std::wstring");
 355
 356     x = "/foo";
 357     x /= "array char";                                  // array char
 358     PATH_IS(x, BOOST_FS_FOO L"array char");
 359
 360     x = "/foo";
 361     x /= L"array wchar";                                // array wchar_t
 362     PATH_IS(x, BOOST_FS_FOO L"array wchar");
 363
 364     x = "/foo";
 365     x /= s.c_str();                                     // const char* null terminated
 366     PATH_IS(x, BOOST_FS_FOO L"string");
 367
 368     x = "/foo";
 369     x /= ws.c_str();                                    // const wchar_t* null terminated
 370     PATH_IS(x, BOOST_FS_FOO L"wstring");
 371    }
 372
 373   //  test_concats  --------------------------------------------------------------------//
 374
 375   void test_concats()
 376   {
 377     std::cout << "testing concats..." << std::endl;
 378
 379     x = "/foo";
 380     x += path("");                                      // empty path
 381     PATH_IS(x, L"/foo");
 382
 383     x = "/foo";
 384     x += path("/");                                     // slash path
 385     PATH_IS(x, L"/foo/");
 386
 387     x = "/foo";
 388     x += path("boo");                                  // slash path
 389     PATH_IS(x, L"/fooboo");
 390
 391     x = "foo";
 392     x += x;                                             // self-append
 393     PATH_IS(x, L"foofoo");
 394
 395     x = "foo-";
 396     x += path("yet another path");                      // another path
 397     PATH_IS(x, L"foo-yet another path");
 398
 399     x = "foo-";
 400     x.concat(l.begin(), l.end());                      // iterator range char
 401     PATH_IS(x, L"foo-string");
 402
 403     x = "foo-";
 404     x.concat(wl.begin(), wl.end());                    // iterator range wchar_t
 405     PATH_IS(x, L"foo-wstring");
 406
 407     x = "foo-";
 408     x += string("std::string");                         // container char
 409     PATH_IS(x, L"foo-std::string");
 410
 411     x = "foo-";
 412     x += wstring(L"std::wstring");                      // container wchar_t
 413     PATH_IS(x, L"foo-std::wstring");
 414
 415     x = "foo-";
 416     x += "array char";                                  // array char
 417     PATH_IS(x, L"foo-array char");
 418
 419     x = "foo-";
 420     x += L"array wchar";                                // array wchar_t
 421     PATH_IS(x, L"foo-array wchar");
 422
 423     x = "foo-";
 424     x += s.c_str();                                     // const char* null terminated
 425     PATH_IS(x, L"foo-string");
 426
 427     x = "foo-";
 428     x += ws.c_str();                                    // const wchar_t* null terminated
 429     PATH_IS(x, L"foo-wstring");
 430
 431     x = "foo-";
 432     x += 'x';                                           // char
 433     PATH_IS(x, L"foo-x");
 434
 435     x = "foo-";
 436     x += L'x';                                          // wchar
 437     PATH_IS(x, L"foo-x");
 438    }
 439
 440   //  test_observers  ------------------------------------------------------------------//
 441
 442   void test_observers()
 443   {
 444     std::cout << "testing observers..." << std::endl;
 445
 446     path p0("abc");
 447
 448     CHECK(p0.native().size() == 3);
 449     CHECK(p0.size() == 3);
 450     CHECK(p0.string() == "abc");
 451     CHECK(p0.string().size() == 3);
 452     CHECK(p0.wstring() == L"abc");
 453     CHECK(p0.wstring().size() == 3);
 454
 455     p0 = "";
 456     CHECK(p0.native().size() == 0);
 457     CHECK(p0.size() == 0);
 458
 459 # ifdef BOOST_WINDOWS_API
 460
 461     path p("abc\\def/ghi");
 462
 463     CHECK(std::wstring(p.c_str()) == L"abc\\def/ghi");
 464
 465     CHECK(p.string() == "abc\\def/ghi");
 466     CHECK(p.wstring() == L"abc\\def/ghi");
 467
 468     CHECK(p.generic_path().string() == "abc/def/ghi");
 469     CHECK(p.generic_string() == "abc/def/ghi");
 470     CHECK(p.generic_wstring() == L"abc/def/ghi");
 471
 472     CHECK(p.generic_string<string>() == "abc/def/ghi");
 473     CHECK(p.generic_string<wstring>() == L"abc/def/ghi");
 474     CHECK(p.generic_string<path::string_type>() == L"abc/def/ghi");
 475
 476 # else  // BOOST_POSIX_API
 477
 478     path p("abc\\def/ghi");
 479
 480     CHECK(string(p.c_str()) == "abc\\def/ghi");
 481
 482     CHECK(p.string() == "abc\\def/ghi");
 483     CHECK(p.wstring() == L"abc\\def/ghi");
 484
 485     CHECK(p.generic_path().string() == "abc\\def/ghi");
 486     CHECK(p.generic_string() == "abc\\def/ghi");
 487     CHECK(p.generic_wstring() == L"abc\\def/ghi");
 488
 489     CHECK(p.generic_string<string>() == "abc\\def/ghi");
 490     CHECK(p.generic_string<wstring>() == L"abc\\def/ghi");
 491     CHECK(p.generic_string<path::string_type>() == "abc\\def/ghi");
 492
 493 # endif
 494   }
 495
 496   //  test_relationals  ----------------------------------------------------------------//
 497
 498   void test_relationals()
 499   {
 500     std::cout << "testing relationals..." << std::endl;
 501
 502     boost::hash<path> hash;
 503
 504 # ifdef BOOST_WINDOWS_API
 505     // this is a critical use case to meet user expectations
 506     CHECK(path("c:\\abc") == path("c:/abc"));
 507     CHECK(hash(path("c:\\abc")) == hash(path("c:/abc")));
 508 # endif
 509
 510     const path p("bar");
 511     const path p2("baz");
 512
 513     CHECK(!(p < p));
 514     CHECK(p < p2);
 515     CHECK(!(p2 < p));
 516     CHECK(p < "baz");
 517     CHECK(p < string("baz"));
 518     CHECK(p < L"baz");
 519     CHECK(p < wstring(L"baz"));
 520     CHECK(!("baz" < p));
 521     CHECK(!(string("baz") < p));
 522     CHECK(!(L"baz" < p));
 523     CHECK(!(wstring(L"baz") < p));
 524
 525     CHECK(p == p);
 526     CHECK(!(p == p2));
 527     CHECK(!(p2 == p));
 528     CHECK(p2 == "baz");
 529     CHECK(p2 == string("baz"));
 530     CHECK(p2 == L"baz");
 531     CHECK(p2 == wstring(L"baz"));
 532     CHECK("baz" == p2);
 533     CHECK(string("baz") == p2);
 534     CHECK(L"baz" == p2);
 535     CHECK(wstring(L"baz") == p2);
 536
 537     CHECK(hash(p) == hash(p));
 538     CHECK(hash(p) != hash(p2)); // Not strictly required, but desirable
 539
 540     CHECK(!(p != p));
 541     CHECK(p != p2);
 542     CHECK(p2 != p);
 543
 544     CHECK(p <= p);
 545     CHECK(p <= p2);
 546     CHECK(!(p2 <= p));
 547
 548     CHECK(!(p > p));
 549     CHECK(!(p > p2));
 550     CHECK(p2 > p);
 551
 552     CHECK(p >= p);
 553     CHECK(!(p >= p2));
 554     CHECK(p2 >= p);
 555 }
 556
 557   //  test_inserter_and_extractor  -----------------------------------------------------//
 558
 559   void test_inserter_and_extractor()
 560   {
 561     std::cout << "testing inserter and extractor..." << std::endl;
 562
 563     path p1("foo bar");  // verify space in path roundtrips per ticket #3863
 564     path p2;
 565
 566     std::stringstream ss;
 567
 568     CHECK(p1 != p2);
 569     ss << p1;
 570     ss >> p2;
 571     CHECK(p1 == p2);
 572
 573     path wp1(L"foo bar");
 574     path wp2;
 575
 576     std::wstringstream wss;
 577
 578     CHECK(wp1 != wp2);
 579     wss << wp1;
 580     wss >> wp2;
 581     CHECK(wp1 == wp2);
 582   }
 583
 584   //  test_other_non_members  ----------------------------------------------------------//
 585
 586   void test_other_non_members()
 587   {
 588     std::cout << "testing other_non_members..." << std::endl;
 589
 590     path p1("foo");
 591     path p2("bar");
 592
 593     //  operator /
 594
 595     CHECK(p1 / p2 == path("foo/bar").make_preferred());
 596     CHECK("foo" / p2 == path("foo/bar").make_preferred());
 597     CHECK(L"foo" / p2 == path("foo/bar").make_preferred());
 598     CHECK(string("foo") / p2 == path("foo/bar").make_preferred());
 599     CHECK(wstring(L"foo") / p2 == path("foo/bar").make_preferred());
 600     CHECK(p1 / "bar" == path("foo/bar").make_preferred());
 601     CHECK(p1 / L"bar" == path("foo/bar").make_preferred());
 602     CHECK(p1 / string("bar") == path("foo/bar").make_preferred());
 603     CHECK(p1 / wstring(L"bar") == path("foo/bar").make_preferred());
 604
 605     swap(p1, p2);
 606
 607     CHECK(p1 == "bar");
 608     CHECK(p2 == "foo");
 609
 610     CHECK(!path("").filename_is_dot());
 611     CHECK(!path("").filename_is_dot_dot());
 612     CHECK(!path("..").filename_is_dot());
 613     CHECK(!path(".").filename_is_dot_dot());
 614     CHECK(!path("...").filename_is_dot_dot());
 615     CHECK(path(".").filename_is_dot());
 616     CHECK(path("..").filename_is_dot_dot());
 617     CHECK(path("/.").filename_is_dot());
 618     CHECK(path("/..").filename_is_dot_dot());
 619     CHECK(!path("a.").filename_is_dot());
 620     CHECK(!path("a..").filename_is_dot_dot());
 621
 622     // edge cases
 623     CHECK(path("foo/").filename() == path("."));
 624     CHECK(path("foo/").filename_is_dot());
 625     CHECK(path("/").filename() == path("/"));
 626     CHECK(!path("/").filename_is_dot());
 627 # ifdef BOOST_WINDOWS_API
 628     CHECK(path("c:.").filename() == path("."));
 629     CHECK(path("c:.").filename_is_dot());
 630     CHECK(path("c:/").filename() == path("/"));
 631     CHECK(!path("c:\\").filename_is_dot());
 632 # else
 633     CHECK(path("c:.").filename() == path("c:."));
 634     CHECK(!path("c:.").filename_is_dot());
 635     CHECK(path("c:/").filename() == path("."));
 636     CHECK(path("c:/").filename_is_dot());
 637 # endif
 638
 639     // check that the implementation code to make the edge cases above work right
 640     // doesn't cause some non-edge cases to fail
 641     CHECK(path("c:").filename() != path("."));
 642     CHECK(!path("c:").filename_is_dot());
 643
 644     // examples from reference.html
 645     std::cout << path(".").filename_is_dot();            // outputs 1
 646     std::cout << path("/.").filename_is_dot();           // outputs 1
 647     std::cout << path("foo/.").filename_is_dot();        // outputs 1
 648     std::cout << path("foo/").filename_is_dot();         // outputs 1
 649     std::cout << path("/").filename_is_dot();            // outputs 0
 650     std::cout << path("/foo").filename_is_dot();         // outputs 0
 651     std::cout << path("/foo.").filename_is_dot();        // outputs 0
 652     std::cout << path("..").filename_is_dot();           // outputs 0
 653     cout << std::endl;
 654   }
 655
 656 //  //  test_modifiers  ------------------------------------------------------------------//
 657 //
 658 //  void test_modifiers()
 659 //  {
 660 //    std::cout << "testing modifiers..." << std::endl;
 661 //
 662 //  }
 663
 664   //  test_iterators  ------------------------------------------------------------------//
 665
 666   void test_iterators()
 667   {
 668     std::cout << "testing iterators..." << std::endl;
 669
 670     path p1;
 671     CHECK(p1.begin() == p1.end());
 672
 673     path p2("/");
 674     CHECK(p2.begin() != p2.end());
 675     CHECK(*p2.begin() == "/");
 676     CHECK(++p2.begin() == p2.end());
 677
 678     path p3("foo/bar/baz");
 679
 680     path::iterator it(p3.begin());
 681     CHECK(p3.begin() != p3.end());
 682     CHECK(*it == "foo");
 683     CHECK(*++it == "bar");
 684     CHECK(*++it == "baz");
 685     CHECK(*--it == "bar");
 686     CHECK(*--it == "foo");
 687     CHECK(*++it == "bar");
 688     CHECK(*++it == "baz");
 689     CHECK(++it == p3.end());
 690   }
 691
 692   //  test_reverse_iterators  ----------------------------------------------------------//
 693
 694   void test_reverse_iterators()
 695   {
 696     std::cout << "testing reverse_iterators..." << std::endl;
 697
 698     path p1;
 699     CHECK(p1.rbegin() == p1.rend());
 700
 701     path p2("/");
 702     CHECK(p2.rbegin() != p2.rend());
 703     CHECK(*p2.rbegin() == "/");
 704     CHECK(++p2.rbegin() == p2.rend());
 705
 706     path p3("foo/bar/baz");
 707
 708     path::reverse_iterator it(p3.rbegin());
 709     CHECK(p3.rbegin() != p3.rend());
 710     CHECK(*it == "baz");
 711     CHECK(*++it == "bar");
 712     CHECK(*++it == "foo");
 713     CHECK(*--it == "bar");
 714     CHECK(*--it == "baz");
 715     CHECK(*++it == "bar");
 716     CHECK(*++it == "foo");
 717     CHECK(++it == p3.rend());
 718   }
 719
 720   //  test_modifiers  ------------------------------------------------------------------//
 721
 722   void test_modifiers()
 723   {
 724     std::cout << "testing modifiers..." << std::endl;
 725
 726     CHECK(path("").remove_filename() == "");
 727     CHECK(path("foo").remove_filename() == "");
 728     CHECK(path("/foo").remove_filename() == "/");
 729     CHECK(path("foo/bar").remove_filename() == "foo");
 730     BOOST_TEST_EQ(path("foo/bar/").remove_filename(), path("foo/bar"));
 731     BOOST_TEST_EQ(path(".").remove_filename(), path(""));
 732     BOOST_TEST_EQ(path("./.").remove_filename(), path("."));
 733     BOOST_TEST_EQ(path("/.").remove_filename(), path("/"));
 734     BOOST_TEST_EQ(path("..").remove_filename(), path(""));
 735     BOOST_TEST_EQ(path("../..").remove_filename(), path(".."));
 736     BOOST_TEST_EQ(path("/..").remove_filename(), path("/"));
 737
 738   }
 739
 740   //  test_decompositions  -------------------------------------------------------------//
 741
 742   void test_decompositions()
 743   {
 744     std::cout << "testing decompositions..." << std::endl;
 745
 746     CHECK(path("").root_name().string() == "");
 747     CHECK(path("foo").root_name().string() == "");
 748     CHECK(path("/").root_name().string() == "");
 749     CHECK(path("/foo").root_name().string() == "");
 750     CHECK(path("//netname").root_name().string() == "//netname");
 751     CHECK(path("//netname/foo").root_name().string() == "//netname");
 752
 753     CHECK(path("").root_directory().string() == "");
 754     CHECK(path("foo").root_directory().string() == "");
 755     CHECK(path("/").root_directory().string() == "/");
 756     CHECK(path("/foo").root_directory().string() == "/");
 757     CHECK(path("//netname").root_directory().string() == "");
 758     CHECK(path("//netname/foo").root_directory().string() == "/");
 759
 760     CHECK(path("").root_path().string() == "");
 761     CHECK(path("/").root_path().string() == "/");
 762     CHECK(path("/foo").root_path().string() == "/");
 763     CHECK(path("//netname").root_path().string() == "//netname");
 764     CHECK(path("//netname/foo").root_path().string() == "//netname/");
 765
 766 #   ifdef BOOST_WINDOWS_API
 767     CHECK(path("c:/foo").root_path().string() == "c:/");
 768 #   endif
 769
 770     CHECK(path("").relative_path().string() == "");
 771     CHECK(path("/").relative_path().string() == "");
 772     CHECK(path("/foo").relative_path().string() == "foo");
 773
 774     CHECK(path("").parent_path().string() == "");
 775     CHECK(path("/").parent_path().string() == "");
 776     CHECK(path("/foo").parent_path().string() == "/");
 777     CHECK(path("/foo/bar").parent_path().string() == "/foo");
 778
 779     CHECK(path("/foo/bar/baz.zoo").filename().string() == "baz.zoo");
 780
 781     CHECK(path("/foo/bar/baz.zoo").stem().string() == "baz");
 782     CHECK(path("/foo/bar.woo/baz").stem().string() == "baz");
 783
 784     CHECK(path("foo.bar.baz.tar.bz2").extension().string() == ".bz2");
 785     CHECK(path("/foo/bar/baz.zoo").extension().string() == ".zoo");
 786     CHECK(path("/foo/bar.woo/baz").extension().string() == "");
 787   }
 788
 789   //  test_queries  --------------------------------------------------------------------//
 790
 791   void test_queries()
 792   {
 793     std::cout << "testing queries..." << std::endl;
 794
 795     path p1("");
 796     path p2("//netname/foo.doo");
 797
 798     CHECK(p1.empty());
 799     CHECK(!p1.has_root_path());
 800     CHECK(!p1.has_root_name());
 801     CHECK(!p1.has_root_directory());
 802     CHECK(!p1.has_relative_path());
 803     CHECK(!p1.has_parent_path());
 804     CHECK(!p1.has_filename());
 805     CHECK(!p1.has_stem());
 806     CHECK(!p1.has_extension());
 807     CHECK(!p1.is_absolute());
 808     CHECK(p1.is_relative());
 809
 810     CHECK(!p2.empty());
 811     CHECK(p2.has_root_path());
 812     CHECK(p2.has_root_name());
 813     CHECK(p2.has_root_directory());
 814     CHECK(p2.has_relative_path());
 815     CHECK(p2.has_parent_path());
 816     CHECK(p2.has_filename());
 817     CHECK(p2.has_stem());
 818     CHECK(p2.has_extension());
 819     CHECK(p2.is_absolute());
 820     CHECK(!p2.is_relative());
 821
 822   }
 823
 824   //  test_imbue_locale  ---------------------------------------------------------------//
 825
 826   void test_imbue_locale()
 827   {
 828     std::cout << "testing imbue locale..." << std::endl;
 829
 830     //  weak test case for before/after states since we don't know what characters the
 831     //  default locale accepts.
 832     path before("abc");
 833
 834     //  So that tests are run with known encoding, use Boost UTF-8 codecvt
 835     //  \u2722 and \xE2\x9C\xA2 are UTF-16 and UTF-8 FOUR TEARDROP-SPOKED ASTERISK
 836
 837     std::locale global_loc = std::locale();
 838     std::locale loc(global_loc, new fs::detail::utf8_codecvt_facet);
 839     std::cout << "  imbuing locale ..." << std::endl;
 840     std::locale old_loc = path::imbue(loc);
 841
 842     std::cout << "  testing with the imbued locale ..." << std::endl;
 843     path p2("\xE2\x9C\xA2");
 844     CHECK(p2.wstring().size() == 1);
 845     CHECK(p2.wstring()[0] == 0x2722);
 846
 847     std::cout << "  imbuing the original locale ..." << std::endl;
 848     path::imbue(old_loc);
 849
 850     std::cout << "  testing with the original locale ..." << std::endl;
 851     path after("abc");
 852     CHECK(before == after);
 853
 854     std::cout << "  locale testing complete" << std::endl;
 855   }
 856
 857   //  test_codecvt_argument  -----------------------------------------------------------//
 858
 859   void test_codecvt_argument()
 860   {
 861     std::cout << "testing codecvt arguments..." << std::endl;
 862
 863     const char * c1 = "a1";
 864     const std::string s1(c1);
 865     const std::wstring ws1(L"b2");  // off-by-one mimics test_codecvt
 866     const std::string s2("y8");
 867     const std::wstring ws2(L"z9");
 868
 869     test_codecvt cvt;  // produces off-by-one values that will always differ from
 870                        // the system's default locale codecvt facet
 871
 872     int t = 0;
 873
 874     //  constructors
 875     std::cout << "  constructors test " << ++t << std::endl;
 876     path p(c1, cvt);
 877     NATIVE_IS(p, s1, ws1);
 878
 879     std::cout << "  test " << ++t << std::endl;
 880     path p1(s1.begin(), s1.end(), cvt);
 881     NATIVE_IS(p1, s1, ws1);
 882
 883     std::cout << "  test " << ++t << std::endl;
 884     path p2(ws2, cvt);
 885     NATIVE_IS(p2, s2, ws2);
 886
 887     std::cout << "  test " << ++t << std::endl;
 888     path p3(ws2.begin(), ws2.end(), cvt);
 889     NATIVE_IS(p3, s2, ws2);
 890
 891     // path p2(p1, cvt);  // fails to compile, and that is OK
 892
 893     //  assigns
 894     p1.clear();
 895     std::cout << "  assigns test " << ++t << std::endl;
 896     p1.assign(s1,cvt);
 897     NATIVE_IS(p1, s1, ws1);
 898     p1.clear();
 899     std::cout << "  test " << ++t << std::endl;
 900     p1.assign(s1.begin(), s1.end(), cvt);
 901     NATIVE_IS(p1, s1, ws1);
 902     // p1.assign(p, cvt);  // fails to compile, and that is OK
 903
 904     //  appends
 905     p1.clear();
 906     std::cout << "  appends test " << ++t << std::endl;
 907     p1.append(s1,cvt);
 908     NATIVE_IS(p1, s1, ws1);
 909     p1.clear();
 910     std::cout << "  test " << ++t << std::endl;
 911     p1.append(s1.begin(), s1.end(), cvt);
 912     NATIVE_IS(p1, s1, ws1);
 913     // p1.append(p, cvt);  // fails to compile, and that is OK
 914
 915     //  native observers
 916     std::cout << "  native observers test " << ++t << std::endl;
 917     CHECK(p.string<std::string>(cvt) == s1);
 918     std::cout << "  test " << ++t << std::endl;
 919     CHECK(p.string(cvt) == s1);
 920     std::cout << "  test " << ++t << std::endl;
 921     CHECK(p.string<std::wstring>(cvt) == ws1);
 922     std::cout << "  test " << ++t << std::endl;
 923     CHECK(p.wstring(cvt) == ws1);
 924
 925     //  generic observers
 926     std::cout << "  generic observers test " << ++t << std::endl;
 927     CHECK(p.generic_string<std::string>(cvt) == s1);
 928     std::cout << "  test " << ++t << std::endl;
 929     CHECK(p.generic_string(cvt) == s1);
 930     std::cout << "  test " << ++t << std::endl;
 931     CHECK(p.generic_string<std::wstring>(cvt) == ws1);
 932     std::cout << "  test " << ++t << std::endl;
 933     CHECK(p.generic_wstring(cvt) == ws1);
 934
 935     std::cout << "  codecvt arguments testing complete" << std::endl;
 936   }
 937
 938   //  test_overloads  ------------------------------------------------------------------//
 939
 940   void test_overloads()
 941   {
 942     std::cout << "testing overloads..." << std::endl;
 943     std::string sto("hello");
 944     const char a[] = "goodbye";
 945     path p1(sto);
 946     path p2(sto.c_str());
 947     path p3(a);
 948     path p4("foo");
 949
 950     std::wstring wsto(L"hello");
 951     const wchar_t wa[] = L"goodbye";
 952     path wp1(wsto);
 953     path wp2(wsto.c_str());
 954     path wp3(wa);
 955     path wp4(L"foo");
 956   }
 957
 958   //  test_error_handling  -------------------------------------------------------------//
 959
 960   class error_codecvt
 961     : public std::codecvt< wchar_t, char, std::mbstate_t >
 962   {
 963   public:
 964     explicit error_codecvt()
 965         : std::codecvt<wchar_t, char, std::mbstate_t>() {}
 966   protected:
 967
 968     virtual bool do_always_noconv() const throw() { return false; }
 969     virtual int do_encoding() const throw() { return 0; }
 970
 971     virtual std::codecvt_base::result do_in(std::mbstate_t&,
 972       const char*, const char*, const char*&,
 973       wchar_t*, wchar_t*, wchar_t*&) const
 974     {
 975       static std::codecvt_base::result r = std::codecvt_base::noconv;
 976       if (r == std::codecvt_base::partial) r = std::codecvt_base::error;
 977       else if (r == std::codecvt_base::error) r = std::codecvt_base::noconv;
 978       else r = std::codecvt_base::partial;
 979       return r;
 980     }
 981
 982     virtual std::codecvt_base::result do_out(std::mbstate_t &,
 983       const wchar_t*, const wchar_t*, const wchar_t*&,
 984       char*, char*, char*&) const
 985     {
 986       static std::codecvt_base::result r = std::codecvt_base::noconv;
 987       if (r == std::codecvt_base::partial) r = std::codecvt_base::error;
 988       else if (r == std::codecvt_base::error) r = std::codecvt_base::noconv;
 989       else r = std::codecvt_base::partial;
 990       return r;
 991     }
 992
 993     virtual std::codecvt_base::result do_unshift(std::mbstate_t&,
 994         char*, char*, char* &) const  { return ok; }
 995     virtual int do_length(std::mbstate_t &,
 996       const char*, const char*, std::size_t) const  { return 0; }
 997     virtual int do_max_length() const throw () { return 0; }
 998   };
 999
1000   void test_error_handling()
1001   {
1002     std::cout << "testing error handling..." << std::endl;
1003
1004     std::locale global_loc = std::locale();
1005     std::locale loc(global_loc, new error_codecvt);
1006     std::cout << "  imbuing error locale ..." << std::endl;
1007     std::locale old_loc = path::imbue(loc);
1008
1009     //  These tests rely on a path constructor that fails in the locale conversion.
1010     //  Thus construction has to call codecvt. Force that by using a narrow string
1011     //  for Windows, and a wide string for POSIX.
1012 #   ifdef BOOST_WINDOWS_API
1013 #     define STRING_FOO_ "foo"
1014 #   else
1015 #     define STRING_FOO_ L"foo"
1016 #   endif
1017
1018     {
1019       std::cout << "    testing std::codecvt_base::partial error..." << std::endl;
1020       bool exception_thrown (false);
1021       try { path(STRING_FOO_); }
1022       catch (const bs::system_error & ex)
1023       {
1024         exception_thrown = true;
1025         BOOST_TEST_EQ(ex.code(), bs::error_code(std::codecvt_base::partial,
1026           fs::codecvt_error_category()));
1027       }
1028       catch (...) { std::cout << "***** unexpected exception type *****" << std::endl; }
1029       BOOST_TEST(exception_thrown);
1030     }
1031
1032     {
1033       std::cout << "    testing std::codecvt_base::error error..." << std::endl;
1034       bool exception_thrown (false);
1035       try { path(STRING_FOO_); }
1036       catch (const bs::system_error & ex)
1037       {
1038         exception_thrown = true;
1039         BOOST_TEST_EQ(ex.code(), bs::error_code(std::codecvt_base::error,
1040           fs::codecvt_error_category()));
1041       }
1042       catch (...) { std::cout << "***** unexpected exception type *****" << std::endl; }
1043       BOOST_TEST(exception_thrown);
1044     }
1045
1046     {
1047       std::cout << "    testing std::codecvt_base::noconv error..." << std::endl;
1048       bool exception_thrown (false);
1049       try { path(STRING_FOO_); }
1050       catch (const bs::system_error & ex)
1051       {
1052         exception_thrown = true;
1053         BOOST_TEST_EQ(ex.code(), bs::error_code(std::codecvt_base::noconv,
1054           fs::codecvt_error_category()));
1055       }
1056       catch (...) { std::cout << "***** unexpected exception type *****" << std::endl; }
1057       BOOST_TEST(exception_thrown);
1058     }
1059
1060     std::cout << "  restoring original locale ..." << std::endl;
1061     path::imbue(old_loc);
1062     std::cout << "  testing error handling complete" << std::endl;
1063  }
1064
1065 # if 0
1066
1067 //  //  test_locales  --------------------------------------------------------------------//
1068 //
1069 //  void test_locales()
1070 //  {
1071 //    std::cout << "testing locales..." << std::endl;
1072 //
1073 //  }
1074
1075   //  test_user_supplied_type  ---------------------------------------------------------//
1076
1077   typedef std::basic_string<int> user_string;
1078
1079 }  // unnamed namespace
1080
1081 namespace boost
1082 {
1083 namespace filesystem
1084 {
1085   namespace path_traits
1086   {
1087     template<> struct is_iterator<const user_string::value_type *> { static const bool value = true; };
1088     template<> struct is_iterator<user_string::value_type *> { static const bool value = true; };
1089     template<> struct is_iterator<user_string::iterator> { static const bool value = true; };
1090     template<> struct is_iterator<user_string::const_iterator> { static const bool value = true; };
1091     template<> struct is_container<user_string> { static const bool value = true; };
1092
1093     template<>
1094     void append<user_string::value_type>(const user_string::value_type * begin,
1095       const user_string::value_type * end, string_type & target, system::error_code & ec)
1096     {
1097       for (; begin != end && *begin; ++begin)
1098         target += *begin + 1;  // change so that results distinguishable from char cvts
1099     }
1100
1101 #  ifdef __GNUC__
1102     //  This specialization shouldn't be needed, and VC++, Intel, and others work
1103     //  fine without it. But gcc 4.3.2, and presumably other versions, need it.
1104     template<>
1105     void append<user_string::value_type>(const user_string::value_type * begin,
1106       string_type & target, system::error_code & ec)
1107     {
1108       path_traits::append<user_string::value_type>(begin,
1109         static_cast<const user_string::value_type *>(0), target, ec);
1110     }
1111 #  endif
1112
1113     template<>
1114     user_string convert<user_string>(const string_type & source,
1115       system::error_code & ec)
1116     {
1117       user_string temp;
1118       for (string_type::const_iterator it = source.begin();
1119             it != source.end(); ++it)
1120         temp += *it - 1;
1121       return temp;
1122     }
1123   }  // namespace path_traits
1124 }  // namespace filesystem
1125 }  // namespace boost
1126
1127 namespace
1128 {
1129
1130   void test_user_supplied_type()
1131   {
1132     std::cout << "testing user supplied type..." << std::endl;
1133
1134     user_string::value_type usr_c_str[] = { 'a', 'b', 'c', 0 };
1135     user_string usr(usr_c_str);
1136
1137     path p1(usr.c_str());
1138     CHECK(p1 == path("bcd"));
1139     CHECK(p1 == "bcd");
1140     user_string s1(p1.string<user_string>());
1141     CHECK(s1 == usr);
1142   }
1143
1144 # endif
1145
1146   inline const char* macro_value(const char* name, const char* value)
1147   {
1148     static const char* no_value = "[no value]";
1149     static const char* not_defined = "[not defined]";
1150
1151     //if (0 != strcmp(name, value + 1))  // macro is defined
1152     //{
1153     //  if (value[1])
1154     //    return value;
1155     //  else
1156     //    return no_value;
1157     //}
1158     //return not_defined;
1159
1160     return 0 == strcmp(name, value + 1)
1161       ? not_defined
1162       : (value[1] ? value : no_value);
1163   }
1164
1165 #define BOOST_MACRO_VALUE(X) macro_value(#X, BOOST_STRINGIZE(=X))
1166
1167 }  // unnamed namespace
1168
1169 //--------------------------------------------------------------------------------------//
1170 //                                                                                      //
1171 //                                     main                                             //
1172 //                                                                                      //
1173 //--------------------------------------------------------------------------------------//
1174
1175 int test_main(int, char*[])
1176 {
1177 // document state of critical macros
1178 #ifdef BOOST_POSIX_API
1179   cout << "BOOST_POSIX_API" << endl;
1180   BOOST_TEST(path::preferred_separator == '/');
1181 #endif
1182 #ifdef BOOST_WINDOWS_API
1183   cout << "BOOST_WINDOWS_API" << endl;
1184   BOOST_TEST(path::preferred_separator == '\\');
1185 #endif
1186
1187   cout << "BOOST_FILESYSTEM_DECL "
1188     << BOOST_MACRO_VALUE(BOOST_FILESYSTEM_DECL) << endl;
1189
1190 //#ifdef BOOST_FILESYSTEM_DECL
1191 //  cout << "BOOST_FILESYSTEM_DECL is defined as "
1192 //    << BOOST_STRINGIZE(BOOST_FILESYSTEM_DECL) << endl;
1193 //#else
1194 //  cout << "BOOST_FILESYSTEM_DECL is not defined" << endl;
1195 //#endif
1196
1197   l.push_back('s');
1198   l.push_back('t');
1199   l.push_back('r');
1200   l.push_back('i');
1201   l.push_back('n');
1202   l.push_back('g');
1203
1204   wl.push_back(L'w');
1205   wl.push_back(L's');
1206   wl.push_back(L't');
1207   wl.push_back(L'r');
1208   wl.push_back(L'i');
1209   wl.push_back(L'n');
1210   wl.push_back(L'g');
1211
1212   v.push_back('f');
1213   v.push_back('u');
1214   v.push_back('z');
1215
1216   wv.push_back(L'w');
1217   wv.push_back(L'f');
1218   wv.push_back(L'u');
1219   wv.push_back(L'z');
1220
1221   test_overloads();
1222   test_constructors();
1223   test_assignments();
1224   test_move_construction_and_assignment();
1225   test_appends();
1226   test_concats();
1227   test_modifiers();
1228   test_observers();
1229   test_relationals();
1230   test_inserter_and_extractor();
1231   test_other_non_members();
1232   test_iterators();
1233   test_reverse_iterators();
1234   test_decompositions();
1235   test_queries();
1236   test_imbue_locale();
1237   test_codecvt_argument();
1238   test_error_handling();
1239
1240 #if 0
1241
1242   test_user_supplied_type();
1243
1244 #endif
1245
1246   std::string foo("\\abc");
1247   const char* bar = "/abc";
1248
1249   if (foo == bar)
1250     cout << "unintended consequence\n";
1251
1252   return ::boost::report_errors();
1253 }