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      1 // Copyright 2008, Google Inc.
      2 // All rights reserved.
      3 //
      4 // Redistribution and use in source and binary forms, with or without
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     10 //     * Redistributions in binary form must reproduce the above
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     12 // in the documentation and/or other materials provided with the
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     16 // this software without specific prior written permission.
     17 //
     18 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     19 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     20 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     21 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     22 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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     24 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     25 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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     28 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     29 //
     30 // Authors: keith.ray (at) gmail.com (Keith Ray)
     31 //
     32 // Google Test filepath utilities
     33 //
     34 // This file tests classes and functions used internally by
     35 // Google Test.  They are subject to change without notice.
     36 //
     37 // This file is #included from gtest_unittest.cc, to avoid changing
     38 // build or make-files for some existing Google Test clients. Do not
     39 // #include this file anywhere else!
     40 
     41 #include <gtest/internal/gtest-filepath.h>
     42 #include <gtest/gtest.h>
     43 
     44 // Indicates that this translation unit is part of Google Test's
     45 // implementation.  It must come before gtest-internal-inl.h is
     46 // included, or there will be a compiler error.  This trick is to
     47 // prevent a user from accidentally including gtest-internal-inl.h in
     48 // his code.
     49 #define GTEST_IMPLEMENTATION_ 1
     50 #include "src/gtest-internal-inl.h"
     51 #undef GTEST_IMPLEMENTATION_
     52 
     53 #if GTEST_OS_WINDOWS_MOBILE
     54 #include <windows.h>  // NOLINT
     55 #elif GTEST_OS_WINDOWS
     56 #include <direct.h>  // NOLINT
     57 #endif  // GTEST_OS_WINDOWS_MOBILE
     58 
     59 namespace testing {
     60 namespace internal {
     61 namespace {
     62 
     63 #if GTEST_OS_WINDOWS_MOBILE
     64 // TODO(wan (at) google.com): Move these to the POSIX adapter section in
     65 // gtest-port.h.
     66 
     67 // Windows CE doesn't have the remove C function.
     68 int remove(const char* path) {
     69   LPCWSTR wpath = String::AnsiToUtf16(path);
     70   int ret = DeleteFile(wpath) ? 0 : -1;
     71   delete [] wpath;
     72   return ret;
     73 }
     74 // Windows CE doesn't have the _rmdir C function.
     75 int _rmdir(const char* path) {
     76   FilePath filepath(path);
     77   LPCWSTR wpath = String::AnsiToUtf16(
     78       filepath.RemoveTrailingPathSeparator().c_str());
     79   int ret = RemoveDirectory(wpath) ? 0 : -1;
     80   delete [] wpath;
     81   return ret;
     82 }
     83 
     84 #else
     85 
     86 TEST(GetCurrentDirTest, ReturnsCurrentDir) {
     87   const FilePath original_dir = FilePath::GetCurrentDir();
     88   EXPECT_FALSE(original_dir.IsEmpty());
     89 
     90   posix::ChDir(GTEST_PATH_SEP_);
     91   const FilePath cwd = FilePath::GetCurrentDir();
     92   posix::ChDir(original_dir.c_str());
     93 
     94 #if GTEST_OS_WINDOWS
     95   // Skips the ":".
     96   const char* const cwd_without_drive = strchr(cwd.c_str(), ':');
     97   ASSERT_TRUE(cwd_without_drive != NULL);
     98   EXPECT_STREQ(GTEST_PATH_SEP_, cwd_without_drive + 1);
     99 #else
    100   EXPECT_STREQ(GTEST_PATH_SEP_, cwd.c_str());
    101 #endif
    102 }
    103 
    104 #endif  // GTEST_OS_WINDOWS_MOBILE
    105 
    106 TEST(IsEmptyTest, ReturnsTrueForEmptyPath) {
    107   EXPECT_TRUE(FilePath("").IsEmpty());
    108   EXPECT_TRUE(FilePath(NULL).IsEmpty());
    109 }
    110 
    111 TEST(IsEmptyTest, ReturnsFalseForNonEmptyPath) {
    112   EXPECT_FALSE(FilePath("a").IsEmpty());
    113   EXPECT_FALSE(FilePath(".").IsEmpty());
    114   EXPECT_FALSE(FilePath("a/b").IsEmpty());
    115   EXPECT_FALSE(FilePath("a\\b\\").IsEmpty());
    116 }
    117 
    118 // RemoveDirectoryName "" -> ""
    119 TEST(RemoveDirectoryNameTest, WhenEmptyName) {
    120   EXPECT_STREQ("", FilePath("").RemoveDirectoryName().c_str());
    121 }
    122 
    123 // RemoveDirectoryName "afile" -> "afile"
    124 TEST(RemoveDirectoryNameTest, ButNoDirectory) {
    125   EXPECT_STREQ("afile",
    126       FilePath("afile").RemoveDirectoryName().c_str());
    127 }
    128 
    129 // RemoveDirectoryName "/afile" -> "afile"
    130 TEST(RemoveDirectoryNameTest, RootFileShouldGiveFileName) {
    131   EXPECT_STREQ("afile",
    132       FilePath(GTEST_PATH_SEP_ "afile").RemoveDirectoryName().c_str());
    133 }
    134 
    135 // RemoveDirectoryName "adir/" -> ""
    136 TEST(RemoveDirectoryNameTest, WhereThereIsNoFileName) {
    137   EXPECT_STREQ("",
    138       FilePath("adir" GTEST_PATH_SEP_).RemoveDirectoryName().c_str());
    139 }
    140 
    141 // RemoveDirectoryName "adir/afile" -> "afile"
    142 TEST(RemoveDirectoryNameTest, ShouldGiveFileName) {
    143   EXPECT_STREQ("afile",
    144       FilePath("adir" GTEST_PATH_SEP_ "afile").RemoveDirectoryName().c_str());
    145 }
    146 
    147 // RemoveDirectoryName "adir/subdir/afile" -> "afile"
    148 TEST(RemoveDirectoryNameTest, ShouldAlsoGiveFileName) {
    149   EXPECT_STREQ("afile",
    150       FilePath("adir" GTEST_PATH_SEP_ "subdir" GTEST_PATH_SEP_ "afile")
    151       .RemoveDirectoryName().c_str());
    152 }
    153 
    154 #if GTEST_HAS_ALT_PATH_SEP_
    155 
    156 // Tests that RemoveDirectoryName() works with the alternate separator
    157 // on Windows.
    158 
    159 // RemoveDirectoryName("/afile") -> "afile"
    160 TEST(RemoveDirectoryNameTest, RootFileShouldGiveFileNameForAlternateSeparator) {
    161   EXPECT_STREQ("afile",
    162                FilePath("/afile").RemoveDirectoryName().c_str());
    163 }
    164 
    165 // RemoveDirectoryName("adir/") -> ""
    166 TEST(RemoveDirectoryNameTest, WhereThereIsNoFileNameForAlternateSeparator) {
    167   EXPECT_STREQ("",
    168                FilePath("adir/").RemoveDirectoryName().c_str());
    169 }
    170 
    171 // RemoveDirectoryName("adir/afile") -> "afile"
    172 TEST(RemoveDirectoryNameTest, ShouldGiveFileNameForAlternateSeparator) {
    173   EXPECT_STREQ("afile",
    174                FilePath("adir/afile").RemoveDirectoryName().c_str());
    175 }
    176 
    177 // RemoveDirectoryName("adir/subdir/afile") -> "afile"
    178 TEST(RemoveDirectoryNameTest, ShouldAlsoGiveFileNameForAlternateSeparator) {
    179   EXPECT_STREQ("afile",
    180                FilePath("adir/subdir/afile").RemoveDirectoryName().c_str());
    181 }
    182 
    183 #endif
    184 
    185 // RemoveFileName "" -> "./"
    186 TEST(RemoveFileNameTest, EmptyName) {
    187 #if GTEST_OS_WINDOWS_MOBILE
    188   // On Windows CE, we use the root as the current directory.
    189   EXPECT_STREQ(GTEST_PATH_SEP_,
    190       FilePath("").RemoveFileName().c_str());
    191 #else
    192   EXPECT_STREQ("." GTEST_PATH_SEP_,
    193       FilePath("").RemoveFileName().c_str());
    194 #endif
    195 }
    196 
    197 // RemoveFileName "adir/" -> "adir/"
    198 TEST(RemoveFileNameTest, ButNoFile) {
    199   EXPECT_STREQ("adir" GTEST_PATH_SEP_,
    200       FilePath("adir" GTEST_PATH_SEP_).RemoveFileName().c_str());
    201 }
    202 
    203 // RemoveFileName "adir/afile" -> "adir/"
    204 TEST(RemoveFileNameTest, GivesDirName) {
    205   EXPECT_STREQ("adir" GTEST_PATH_SEP_,
    206       FilePath("adir" GTEST_PATH_SEP_ "afile")
    207       .RemoveFileName().c_str());
    208 }
    209 
    210 // RemoveFileName "adir/subdir/afile" -> "adir/subdir/"
    211 TEST(RemoveFileNameTest, GivesDirAndSubDirName) {
    212   EXPECT_STREQ("adir" GTEST_PATH_SEP_ "subdir" GTEST_PATH_SEP_,
    213       FilePath("adir" GTEST_PATH_SEP_ "subdir" GTEST_PATH_SEP_ "afile")
    214       .RemoveFileName().c_str());
    215 }
    216 
    217 // RemoveFileName "/afile" -> "/"
    218 TEST(RemoveFileNameTest, GivesRootDir) {
    219   EXPECT_STREQ(GTEST_PATH_SEP_,
    220       FilePath(GTEST_PATH_SEP_ "afile").RemoveFileName().c_str());
    221 }
    222 
    223 #if GTEST_HAS_ALT_PATH_SEP_
    224 
    225 // Tests that RemoveFileName() works with the alternate separator on
    226 // Windows.
    227 
    228 // RemoveFileName("adir/") -> "adir/"
    229 TEST(RemoveFileNameTest, ButNoFileForAlternateSeparator) {
    230   EXPECT_STREQ("adir" GTEST_PATH_SEP_,
    231                FilePath("adir/").RemoveFileName().c_str());
    232 }
    233 
    234 // RemoveFileName("adir/afile") -> "adir/"
    235 TEST(RemoveFileNameTest, GivesDirNameForAlternateSeparator) {
    236   EXPECT_STREQ("adir" GTEST_PATH_SEP_,
    237                FilePath("adir/afile").RemoveFileName().c_str());
    238 }
    239 
    240 // RemoveFileName("adir/subdir/afile") -> "adir/subdir/"
    241 TEST(RemoveFileNameTest, GivesDirAndSubDirNameForAlternateSeparator) {
    242   EXPECT_STREQ("adir" GTEST_PATH_SEP_ "subdir" GTEST_PATH_SEP_,
    243                FilePath("adir/subdir/afile").RemoveFileName().c_str());
    244 }
    245 
    246 // RemoveFileName("/afile") -> "\"
    247 TEST(RemoveFileNameTest, GivesRootDirForAlternateSeparator) {
    248   EXPECT_STREQ(GTEST_PATH_SEP_,
    249                FilePath("/afile").RemoveFileName().c_str());
    250 }
    251 
    252 #endif
    253 
    254 TEST(MakeFileNameTest, GenerateWhenNumberIsZero) {
    255   FilePath actual = FilePath::MakeFileName(FilePath("foo"), FilePath("bar"),
    256       0, "xml");
    257   EXPECT_STREQ("foo" GTEST_PATH_SEP_ "bar.xml", actual.c_str());
    258 }
    259 
    260 TEST(MakeFileNameTest, GenerateFileNameNumberGtZero) {
    261   FilePath actual = FilePath::MakeFileName(FilePath("foo"), FilePath("bar"),
    262       12, "xml");
    263   EXPECT_STREQ("foo" GTEST_PATH_SEP_ "bar_12.xml", actual.c_str());
    264 }
    265 
    266 TEST(MakeFileNameTest, GenerateFileNameWithSlashNumberIsZero) {
    267   FilePath actual = FilePath::MakeFileName(FilePath("foo" GTEST_PATH_SEP_),
    268       FilePath("bar"), 0, "xml");
    269   EXPECT_STREQ("foo" GTEST_PATH_SEP_ "bar.xml", actual.c_str());
    270 }
    271 
    272 TEST(MakeFileNameTest, GenerateFileNameWithSlashNumberGtZero) {
    273   FilePath actual = FilePath::MakeFileName(FilePath("foo" GTEST_PATH_SEP_),
    274       FilePath("bar"), 12, "xml");
    275   EXPECT_STREQ("foo" GTEST_PATH_SEP_ "bar_12.xml", actual.c_str());
    276 }
    277 
    278 TEST(MakeFileNameTest, GenerateWhenNumberIsZeroAndDirIsEmpty) {
    279   FilePath actual = FilePath::MakeFileName(FilePath(""), FilePath("bar"),
    280       0, "xml");
    281   EXPECT_STREQ("bar.xml", actual.c_str());
    282 }
    283 
    284 TEST(MakeFileNameTest, GenerateWhenNumberIsNotZeroAndDirIsEmpty) {
    285   FilePath actual = FilePath::MakeFileName(FilePath(""), FilePath("bar"),
    286       14, "xml");
    287   EXPECT_STREQ("bar_14.xml", actual.c_str());
    288 }
    289 
    290 TEST(ConcatPathsTest, WorksWhenDirDoesNotEndWithPathSep) {
    291   FilePath actual = FilePath::ConcatPaths(FilePath("foo"),
    292                                           FilePath("bar.xml"));
    293   EXPECT_STREQ("foo" GTEST_PATH_SEP_ "bar.xml", actual.c_str());
    294 }
    295 
    296 TEST(ConcatPathsTest, WorksWhenPath1EndsWithPathSep) {
    297   FilePath actual = FilePath::ConcatPaths(FilePath("foo" GTEST_PATH_SEP_),
    298                                           FilePath("bar.xml"));
    299   EXPECT_STREQ("foo" GTEST_PATH_SEP_ "bar.xml", actual.c_str());
    300 }
    301 
    302 TEST(ConcatPathsTest, Path1BeingEmpty) {
    303   FilePath actual = FilePath::ConcatPaths(FilePath(""),
    304                                           FilePath("bar.xml"));
    305   EXPECT_STREQ("bar.xml", actual.c_str());
    306 }
    307 
    308 TEST(ConcatPathsTest, Path2BeingEmpty) {
    309   FilePath actual = FilePath::ConcatPaths(FilePath("foo"),
    310                                           FilePath(""));
    311   EXPECT_STREQ("foo" GTEST_PATH_SEP_, actual.c_str());
    312 }
    313 
    314 TEST(ConcatPathsTest, BothPathBeingEmpty) {
    315   FilePath actual = FilePath::ConcatPaths(FilePath(""),
    316                                           FilePath(""));
    317   EXPECT_STREQ("", actual.c_str());
    318 }
    319 
    320 TEST(ConcatPathsTest, Path1ContainsPathSep) {
    321   FilePath actual = FilePath::ConcatPaths(FilePath("foo" GTEST_PATH_SEP_ "bar"),
    322                                           FilePath("foobar.xml"));
    323   EXPECT_STREQ("foo" GTEST_PATH_SEP_ "bar" GTEST_PATH_SEP_ "foobar.xml",
    324                actual.c_str());
    325 }
    326 
    327 TEST(ConcatPathsTest, Path2ContainsPathSep) {
    328   FilePath actual = FilePath::ConcatPaths(
    329       FilePath("foo" GTEST_PATH_SEP_),
    330       FilePath("bar" GTEST_PATH_SEP_ "bar.xml"));
    331   EXPECT_STREQ("foo" GTEST_PATH_SEP_ "bar" GTEST_PATH_SEP_ "bar.xml",
    332                actual.c_str());
    333 }
    334 
    335 TEST(ConcatPathsTest, Path2EndsWithPathSep) {
    336   FilePath actual = FilePath::ConcatPaths(FilePath("foo"),
    337                                           FilePath("bar" GTEST_PATH_SEP_));
    338   EXPECT_STREQ("foo" GTEST_PATH_SEP_ "bar" GTEST_PATH_SEP_, actual.c_str());
    339 }
    340 
    341 // RemoveTrailingPathSeparator "" -> ""
    342 TEST(RemoveTrailingPathSeparatorTest, EmptyString) {
    343   EXPECT_STREQ("",
    344       FilePath("").RemoveTrailingPathSeparator().c_str());
    345 }
    346 
    347 // RemoveTrailingPathSeparator "foo" -> "foo"
    348 TEST(RemoveTrailingPathSeparatorTest, FileNoSlashString) {
    349   EXPECT_STREQ("foo",
    350       FilePath("foo").RemoveTrailingPathSeparator().c_str());
    351 }
    352 
    353 // RemoveTrailingPathSeparator "foo/" -> "foo"
    354 TEST(RemoveTrailingPathSeparatorTest, ShouldRemoveTrailingSeparator) {
    355   EXPECT_STREQ(
    356       "foo",
    357       FilePath("foo" GTEST_PATH_SEP_).RemoveTrailingPathSeparator().c_str());
    358 #if GTEST_HAS_ALT_PATH_SEP_
    359   EXPECT_STREQ("foo",
    360                FilePath("foo/").RemoveTrailingPathSeparator().c_str());
    361 #endif
    362 }
    363 
    364 // RemoveTrailingPathSeparator "foo/bar/" -> "foo/bar/"
    365 TEST(RemoveTrailingPathSeparatorTest, ShouldRemoveLastSeparator) {
    366   EXPECT_STREQ("foo" GTEST_PATH_SEP_ "bar",
    367                FilePath("foo" GTEST_PATH_SEP_ "bar" GTEST_PATH_SEP_)
    368                .RemoveTrailingPathSeparator().c_str());
    369 }
    370 
    371 // RemoveTrailingPathSeparator "foo/bar" -> "foo/bar"
    372 TEST(RemoveTrailingPathSeparatorTest, ShouldReturnUnmodified) {
    373   EXPECT_STREQ("foo" GTEST_PATH_SEP_ "bar",
    374                FilePath("foo" GTEST_PATH_SEP_ "bar")
    375                .RemoveTrailingPathSeparator().c_str());
    376 }
    377 
    378 TEST(DirectoryTest, RootDirectoryExists) {
    379 #if GTEST_OS_WINDOWS  // We are on Windows.
    380   char current_drive[_MAX_PATH];  // NOLINT
    381   current_drive[0] = static_cast<char>(_getdrive() + 'A' - 1);
    382   current_drive[1] = ':';
    383   current_drive[2] = '\\';
    384   current_drive[3] = '\0';
    385   EXPECT_TRUE(FilePath(current_drive).DirectoryExists());
    386 #else
    387   EXPECT_TRUE(FilePath("/").DirectoryExists());
    388 #endif  // GTEST_OS_WINDOWS
    389 }
    390 
    391 #if GTEST_OS_WINDOWS
    392 TEST(DirectoryTest, RootOfWrongDriveDoesNotExists) {
    393   const int saved_drive_ = _getdrive();
    394   // Find a drive that doesn't exist. Start with 'Z' to avoid common ones.
    395   for (char drive = 'Z'; drive >= 'A'; drive--)
    396     if (_chdrive(drive - 'A' + 1) == -1) {
    397       char non_drive[_MAX_PATH];  // NOLINT
    398       non_drive[0] = drive;
    399       non_drive[1] = ':';
    400       non_drive[2] = '\\';
    401       non_drive[3] = '\0';
    402       EXPECT_FALSE(FilePath(non_drive).DirectoryExists());
    403       break;
    404     }
    405   _chdrive(saved_drive_);
    406 }
    407 #endif  // GTEST_OS_WINDOWS
    408 
    409 #if !GTEST_OS_WINDOWS_MOBILE
    410 // Windows CE _does_ consider an empty directory to exist.
    411 TEST(DirectoryTest, EmptyPathDirectoryDoesNotExist) {
    412   EXPECT_FALSE(FilePath("").DirectoryExists());
    413 }
    414 #endif  // !GTEST_OS_WINDOWS_MOBILE
    415 
    416 TEST(DirectoryTest, CurrentDirectoryExists) {
    417 #if GTEST_OS_WINDOWS  // We are on Windows.
    418 #ifndef _WIN32_CE  // Windows CE doesn't have a current directory.
    419   EXPECT_TRUE(FilePath(".").DirectoryExists());
    420   EXPECT_TRUE(FilePath(".\\").DirectoryExists());
    421 #endif  // _WIN32_CE
    422 #else
    423   EXPECT_TRUE(FilePath(".").DirectoryExists());
    424   EXPECT_TRUE(FilePath("./").DirectoryExists());
    425 #endif  // GTEST_OS_WINDOWS
    426 }
    427 
    428 TEST(NormalizeTest, NullStringsEqualEmptyDirectory) {
    429   EXPECT_STREQ("", FilePath(NULL).c_str());
    430   EXPECT_STREQ("", FilePath(String(NULL)).c_str());
    431 }
    432 
    433 // "foo/bar" == foo//bar" == "foo///bar"
    434 TEST(NormalizeTest, MultipleConsecutiveSepaparatorsInMidstring) {
    435   EXPECT_STREQ("foo" GTEST_PATH_SEP_ "bar",
    436                FilePath("foo" GTEST_PATH_SEP_ "bar").c_str());
    437   EXPECT_STREQ("foo" GTEST_PATH_SEP_ "bar",
    438                FilePath("foo" GTEST_PATH_SEP_ GTEST_PATH_SEP_ "bar").c_str());
    439   EXPECT_STREQ("foo" GTEST_PATH_SEP_ "bar",
    440                FilePath("foo" GTEST_PATH_SEP_ GTEST_PATH_SEP_
    441                         GTEST_PATH_SEP_ "bar").c_str());
    442 }
    443 
    444 // "/bar" == //bar" == "///bar"
    445 TEST(NormalizeTest, MultipleConsecutiveSepaparatorsAtStringStart) {
    446   EXPECT_STREQ(GTEST_PATH_SEP_ "bar",
    447     FilePath(GTEST_PATH_SEP_ "bar").c_str());
    448   EXPECT_STREQ(GTEST_PATH_SEP_ "bar",
    449     FilePath(GTEST_PATH_SEP_ GTEST_PATH_SEP_ "bar").c_str());
    450   EXPECT_STREQ(GTEST_PATH_SEP_ "bar",
    451     FilePath(GTEST_PATH_SEP_ GTEST_PATH_SEP_ GTEST_PATH_SEP_ "bar").c_str());
    452 }
    453 
    454 // "foo/" == foo//" == "foo///"
    455 TEST(NormalizeTest, MultipleConsecutiveSepaparatorsAtStringEnd) {
    456   EXPECT_STREQ("foo" GTEST_PATH_SEP_,
    457     FilePath("foo" GTEST_PATH_SEP_).c_str());
    458   EXPECT_STREQ("foo" GTEST_PATH_SEP_,
    459     FilePath("foo" GTEST_PATH_SEP_ GTEST_PATH_SEP_).c_str());
    460   EXPECT_STREQ("foo" GTEST_PATH_SEP_,
    461     FilePath("foo" GTEST_PATH_SEP_ GTEST_PATH_SEP_ GTEST_PATH_SEP_).c_str());
    462 }
    463 
    464 #if GTEST_HAS_ALT_PATH_SEP_
    465 
    466 // Tests that separators at the end of the string are normalized
    467 // regardless of their combination (e.g. "foo\" =="foo/\" ==
    468 // "foo\\/").
    469 TEST(NormalizeTest, MixAlternateSeparatorAtStringEnd) {
    470   EXPECT_STREQ("foo" GTEST_PATH_SEP_,
    471                FilePath("foo/").c_str());
    472   EXPECT_STREQ("foo" GTEST_PATH_SEP_,
    473                FilePath("foo" GTEST_PATH_SEP_ "/").c_str());
    474   EXPECT_STREQ("foo" GTEST_PATH_SEP_,
    475                FilePath("foo//" GTEST_PATH_SEP_).c_str());
    476 }
    477 
    478 #endif
    479 
    480 TEST(AssignmentOperatorTest, DefaultAssignedToNonDefault) {
    481   FilePath default_path;
    482   FilePath non_default_path("path");
    483   non_default_path = default_path;
    484   EXPECT_STREQ("", non_default_path.c_str());
    485   EXPECT_STREQ("", default_path.c_str());  // RHS var is unchanged.
    486 }
    487 
    488 TEST(AssignmentOperatorTest, NonDefaultAssignedToDefault) {
    489   FilePath non_default_path("path");
    490   FilePath default_path;
    491   default_path = non_default_path;
    492   EXPECT_STREQ("path", default_path.c_str());
    493   EXPECT_STREQ("path", non_default_path.c_str());  // RHS var is unchanged.
    494 }
    495 
    496 TEST(AssignmentOperatorTest, ConstAssignedToNonConst) {
    497   const FilePath const_default_path("const_path");
    498   FilePath non_default_path("path");
    499   non_default_path = const_default_path;
    500   EXPECT_STREQ("const_path", non_default_path.c_str());
    501 }
    502 
    503 class DirectoryCreationTest : public Test {
    504  protected:
    505   virtual void SetUp() {
    506     testdata_path_.Set(FilePath(String::Format("%s%s%s",
    507         TempDir().c_str(), GetCurrentExecutableName().c_str(),
    508         "_directory_creation" GTEST_PATH_SEP_ "test" GTEST_PATH_SEP_)));
    509     testdata_file_.Set(testdata_path_.RemoveTrailingPathSeparator());
    510 
    511     unique_file0_.Set(FilePath::MakeFileName(testdata_path_, FilePath("unique"),
    512         0, "txt"));
    513     unique_file1_.Set(FilePath::MakeFileName(testdata_path_, FilePath("unique"),
    514         1, "txt"));
    515 
    516     remove(testdata_file_.c_str());
    517     remove(unique_file0_.c_str());
    518     remove(unique_file1_.c_str());
    519     posix::RmDir(testdata_path_.c_str());
    520   }
    521 
    522   virtual void TearDown() {
    523     remove(testdata_file_.c_str());
    524     remove(unique_file0_.c_str());
    525     remove(unique_file1_.c_str());
    526     posix::RmDir(testdata_path_.c_str());
    527   }
    528 
    529   String TempDir() const {
    530 #if GTEST_OS_WINDOWS_MOBILE
    531     return String("\\temp\\");
    532 #elif GTEST_OS_WINDOWS
    533     const char* temp_dir = posix::GetEnv("TEMP");
    534     if (temp_dir == NULL || temp_dir[0] == '\0')
    535       return String("\\temp\\");
    536     else if (String(temp_dir).EndsWith("\\"))
    537       return String(temp_dir);
    538     else
    539       return String::Format("%s\\", temp_dir);
    540 #else
    541     return String("/tmp/");
    542 #endif  // GTEST_OS_WINDOWS_MOBILE
    543   }
    544 
    545   void CreateTextFile(const char* filename) {
    546     FILE* f = posix::FOpen(filename, "w");
    547     fprintf(f, "text\n");
    548     fclose(f);
    549   }
    550 
    551   // Strings representing a directory and a file, with identical paths
    552   // except for the trailing separator character that distinquishes
    553   // a directory named 'test' from a file named 'test'. Example names:
    554   FilePath testdata_path_;  // "/tmp/directory_creation/test/"
    555   FilePath testdata_file_;  // "/tmp/directory_creation/test"
    556   FilePath unique_file0_;  // "/tmp/directory_creation/test/unique.txt"
    557   FilePath unique_file1_;  // "/tmp/directory_creation/test/unique_1.txt"
    558 };
    559 
    560 TEST_F(DirectoryCreationTest, CreateDirectoriesRecursively) {
    561   EXPECT_FALSE(testdata_path_.DirectoryExists()) << testdata_path_.c_str();
    562   EXPECT_TRUE(testdata_path_.CreateDirectoriesRecursively());
    563   EXPECT_TRUE(testdata_path_.DirectoryExists());
    564 }
    565 
    566 TEST_F(DirectoryCreationTest, CreateDirectoriesForAlreadyExistingPath) {
    567   EXPECT_FALSE(testdata_path_.DirectoryExists()) << testdata_path_.c_str();
    568   EXPECT_TRUE(testdata_path_.CreateDirectoriesRecursively());
    569   // Call 'create' again... should still succeed.
    570   EXPECT_TRUE(testdata_path_.CreateDirectoriesRecursively());
    571 }
    572 
    573 TEST_F(DirectoryCreationTest, CreateDirectoriesAndUniqueFilename) {
    574   FilePath file_path(FilePath::GenerateUniqueFileName(testdata_path_,
    575       FilePath("unique"), "txt"));
    576   EXPECT_STREQ(unique_file0_.c_str(), file_path.c_str());
    577   EXPECT_FALSE(file_path.FileOrDirectoryExists());  // file not there
    578 
    579   testdata_path_.CreateDirectoriesRecursively();
    580   EXPECT_FALSE(file_path.FileOrDirectoryExists());  // file still not there
    581   CreateTextFile(file_path.c_str());
    582   EXPECT_TRUE(file_path.FileOrDirectoryExists());
    583 
    584   FilePath file_path2(FilePath::GenerateUniqueFileName(testdata_path_,
    585       FilePath("unique"), "txt"));
    586   EXPECT_STREQ(unique_file1_.c_str(), file_path2.c_str());
    587   EXPECT_FALSE(file_path2.FileOrDirectoryExists());  // file not there
    588   CreateTextFile(file_path2.c_str());
    589   EXPECT_TRUE(file_path2.FileOrDirectoryExists());
    590 }
    591 
    592 TEST_F(DirectoryCreationTest, CreateDirectoriesFail) {
    593   // force a failure by putting a file where we will try to create a directory.
    594   CreateTextFile(testdata_file_.c_str());
    595   EXPECT_TRUE(testdata_file_.FileOrDirectoryExists());
    596   EXPECT_FALSE(testdata_file_.DirectoryExists());
    597   EXPECT_FALSE(testdata_file_.CreateDirectoriesRecursively());
    598 }
    599 
    600 TEST(NoDirectoryCreationTest, CreateNoDirectoriesForDefaultXmlFile) {
    601   const FilePath test_detail_xml("test_detail.xml");
    602   EXPECT_FALSE(test_detail_xml.CreateDirectoriesRecursively());
    603 }
    604 
    605 TEST(FilePathTest, DefaultConstructor) {
    606   FilePath fp;
    607   EXPECT_STREQ("", fp.c_str());
    608 }
    609 
    610 TEST(FilePathTest, CharAndCopyConstructors) {
    611   const FilePath fp("spicy");
    612   EXPECT_STREQ("spicy", fp.c_str());
    613 
    614   const FilePath fp_copy(fp);
    615   EXPECT_STREQ("spicy", fp_copy.c_str());
    616 }
    617 
    618 TEST(FilePathTest, StringConstructor) {
    619   const FilePath fp(String("cider"));
    620   EXPECT_STREQ("cider", fp.c_str());
    621 }
    622 
    623 TEST(FilePathTest, Set) {
    624   const FilePath apple("apple");
    625   FilePath mac("mac");
    626   mac.Set(apple);  // Implement Set() since overloading operator= is forbidden.
    627   EXPECT_STREQ("apple", mac.c_str());
    628   EXPECT_STREQ("apple", apple.c_str());
    629 }
    630 
    631 TEST(FilePathTest, ToString) {
    632   const FilePath file("drink");
    633   String str(file.ToString());
    634   EXPECT_STREQ("drink", str.c_str());
    635 }
    636 
    637 TEST(FilePathTest, RemoveExtension) {
    638   EXPECT_STREQ("app", FilePath("app.exe").RemoveExtension("exe").c_str());
    639   EXPECT_STREQ("APP", FilePath("APP.EXE").RemoveExtension("exe").c_str());
    640 }
    641 
    642 TEST(FilePathTest, RemoveExtensionWhenThereIsNoExtension) {
    643   EXPECT_STREQ("app", FilePath("app").RemoveExtension("exe").c_str());
    644 }
    645 
    646 TEST(FilePathTest, IsDirectory) {
    647   EXPECT_FALSE(FilePath("cola").IsDirectory());
    648   EXPECT_TRUE(FilePath("koala" GTEST_PATH_SEP_).IsDirectory());
    649 #if GTEST_HAS_ALT_PATH_SEP_
    650   EXPECT_TRUE(FilePath("koala/").IsDirectory());
    651 #endif
    652 }
    653 
    654 TEST(FilePathTest, IsAbsolutePath) {
    655   EXPECT_FALSE(FilePath("is" GTEST_PATH_SEP_ "relative").IsAbsolutePath());
    656   EXPECT_FALSE(FilePath("").IsAbsolutePath());
    657 #if GTEST_OS_WINDOWS
    658   EXPECT_TRUE(FilePath("c:\\" GTEST_PATH_SEP_ "is_not"
    659                        GTEST_PATH_SEP_ "relative").IsAbsolutePath());
    660   EXPECT_FALSE(FilePath("c:foo" GTEST_PATH_SEP_ "bar").IsAbsolutePath());
    661   EXPECT_TRUE(FilePath("c:/" GTEST_PATH_SEP_ "is_not"
    662                        GTEST_PATH_SEP_ "relative").IsAbsolutePath());
    663 #else
    664   EXPECT_TRUE(FilePath(GTEST_PATH_SEP_ "is_not" GTEST_PATH_SEP_ "relative")
    665               .IsAbsolutePath());
    666 #endif  // GTEST_OS_WINDOWS
    667 }
    668 
    669 TEST(FilePathTest, IsRootDirectory) {
    670 #if GTEST_OS_WINDOWS
    671   EXPECT_TRUE(FilePath("a:\\").IsRootDirectory());
    672   EXPECT_TRUE(FilePath("Z:/").IsRootDirectory());
    673   EXPECT_TRUE(FilePath("e://").IsRootDirectory());
    674   EXPECT_FALSE(FilePath("").IsRootDirectory());
    675   EXPECT_FALSE(FilePath("b:").IsRootDirectory());
    676   EXPECT_FALSE(FilePath("b:a").IsRootDirectory());
    677   EXPECT_FALSE(FilePath("8:/").IsRootDirectory());
    678   EXPECT_FALSE(FilePath("c|/").IsRootDirectory());
    679 #else
    680   EXPECT_TRUE(FilePath("/").IsRootDirectory());
    681   EXPECT_TRUE(FilePath("//").IsRootDirectory());
    682   EXPECT_FALSE(FilePath("").IsRootDirectory());
    683   EXPECT_FALSE(FilePath("\\").IsRootDirectory());
    684   EXPECT_FALSE(FilePath("/x").IsRootDirectory());
    685 #endif
    686 }
    687 
    688 }  // namespace
    689 }  // namespace internal
    690 }  // namespace testing
    691