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      1 // Copyright 2008, Google Inc.
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      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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     17 //
     18 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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     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 
     96   // Skips the ":".
     97   const char* const cwd_without_drive = strchr(cwd.c_str(), ':');
     98   ASSERT_TRUE(cwd_without_drive != NULL);
     99   EXPECT_STREQ(GTEST_PATH_SEP_, cwd_without_drive + 1);
    100 
    101 # else
    102 
    103   EXPECT_STREQ(GTEST_PATH_SEP_, cwd.c_str());
    104 
    105 # endif
    106 }
    107 
    108 #endif  // GTEST_OS_WINDOWS_MOBILE
    109 
    110 TEST(IsEmptyTest, ReturnsTrueForEmptyPath) {
    111   EXPECT_TRUE(FilePath("").IsEmpty());
    112   EXPECT_TRUE(FilePath(NULL).IsEmpty());
    113 }
    114 
    115 TEST(IsEmptyTest, ReturnsFalseForNonEmptyPath) {
    116   EXPECT_FALSE(FilePath("a").IsEmpty());
    117   EXPECT_FALSE(FilePath(".").IsEmpty());
    118   EXPECT_FALSE(FilePath("a/b").IsEmpty());
    119   EXPECT_FALSE(FilePath("a\\b\\").IsEmpty());
    120 }
    121 
    122 // RemoveDirectoryName "" -> ""
    123 TEST(RemoveDirectoryNameTest, WhenEmptyName) {
    124   EXPECT_STREQ("", FilePath("").RemoveDirectoryName().c_str());
    125 }
    126 
    127 // RemoveDirectoryName "afile" -> "afile"
    128 TEST(RemoveDirectoryNameTest, ButNoDirectory) {
    129   EXPECT_STREQ("afile",
    130       FilePath("afile").RemoveDirectoryName().c_str());
    131 }
    132 
    133 // RemoveDirectoryName "/afile" -> "afile"
    134 TEST(RemoveDirectoryNameTest, RootFileShouldGiveFileName) {
    135   EXPECT_STREQ("afile",
    136       FilePath(GTEST_PATH_SEP_ "afile").RemoveDirectoryName().c_str());
    137 }
    138 
    139 // RemoveDirectoryName "adir/" -> ""
    140 TEST(RemoveDirectoryNameTest, WhereThereIsNoFileName) {
    141   EXPECT_STREQ("",
    142       FilePath("adir" GTEST_PATH_SEP_).RemoveDirectoryName().c_str());
    143 }
    144 
    145 // RemoveDirectoryName "adir/afile" -> "afile"
    146 TEST(RemoveDirectoryNameTest, ShouldGiveFileName) {
    147   EXPECT_STREQ("afile",
    148       FilePath("adir" GTEST_PATH_SEP_ "afile").RemoveDirectoryName().c_str());
    149 }
    150 
    151 // RemoveDirectoryName "adir/subdir/afile" -> "afile"
    152 TEST(RemoveDirectoryNameTest, ShouldAlsoGiveFileName) {
    153   EXPECT_STREQ("afile",
    154       FilePath("adir" GTEST_PATH_SEP_ "subdir" GTEST_PATH_SEP_ "afile")
    155       .RemoveDirectoryName().c_str());
    156 }
    157 
    158 #if GTEST_HAS_ALT_PATH_SEP_
    159 
    160 // Tests that RemoveDirectoryName() works with the alternate separator
    161 // on Windows.
    162 
    163 // RemoveDirectoryName("/afile") -> "afile"
    164 TEST(RemoveDirectoryNameTest, RootFileShouldGiveFileNameForAlternateSeparator) {
    165   EXPECT_STREQ("afile",
    166                FilePath("/afile").RemoveDirectoryName().c_str());
    167 }
    168 
    169 // RemoveDirectoryName("adir/") -> ""
    170 TEST(RemoveDirectoryNameTest, WhereThereIsNoFileNameForAlternateSeparator) {
    171   EXPECT_STREQ("",
    172                FilePath("adir/").RemoveDirectoryName().c_str());
    173 }
    174 
    175 // RemoveDirectoryName("adir/afile") -> "afile"
    176 TEST(RemoveDirectoryNameTest, ShouldGiveFileNameForAlternateSeparator) {
    177   EXPECT_STREQ("afile",
    178                FilePath("adir/afile").RemoveDirectoryName().c_str());
    179 }
    180 
    181 // RemoveDirectoryName("adir/subdir/afile") -> "afile"
    182 TEST(RemoveDirectoryNameTest, ShouldAlsoGiveFileNameForAlternateSeparator) {
    183   EXPECT_STREQ("afile",
    184                FilePath("adir/subdir/afile").RemoveDirectoryName().c_str());
    185 }
    186 
    187 #endif
    188 
    189 // RemoveFileName "" -> "./"
    190 TEST(RemoveFileNameTest, EmptyName) {
    191 #if GTEST_OS_WINDOWS_MOBILE
    192   // On Windows CE, we use the root as the current directory.
    193   EXPECT_STREQ(GTEST_PATH_SEP_,
    194       FilePath("").RemoveFileName().c_str());
    195 #else
    196   EXPECT_STREQ("." GTEST_PATH_SEP_,
    197       FilePath("").RemoveFileName().c_str());
    198 #endif
    199 }
    200 
    201 // RemoveFileName "adir/" -> "adir/"
    202 TEST(RemoveFileNameTest, ButNoFile) {
    203   EXPECT_STREQ("adir" GTEST_PATH_SEP_,
    204       FilePath("adir" GTEST_PATH_SEP_).RemoveFileName().c_str());
    205 }
    206 
    207 // RemoveFileName "adir/afile" -> "adir/"
    208 TEST(RemoveFileNameTest, GivesDirName) {
    209   EXPECT_STREQ("adir" GTEST_PATH_SEP_,
    210       FilePath("adir" GTEST_PATH_SEP_ "afile")
    211       .RemoveFileName().c_str());
    212 }
    213 
    214 // RemoveFileName "adir/subdir/afile" -> "adir/subdir/"
    215 TEST(RemoveFileNameTest, GivesDirAndSubDirName) {
    216   EXPECT_STREQ("adir" GTEST_PATH_SEP_ "subdir" GTEST_PATH_SEP_,
    217       FilePath("adir" GTEST_PATH_SEP_ "subdir" GTEST_PATH_SEP_ "afile")
    218       .RemoveFileName().c_str());
    219 }
    220 
    221 // RemoveFileName "/afile" -> "/"
    222 TEST(RemoveFileNameTest, GivesRootDir) {
    223   EXPECT_STREQ(GTEST_PATH_SEP_,
    224       FilePath(GTEST_PATH_SEP_ "afile").RemoveFileName().c_str());
    225 }
    226 
    227 #if GTEST_HAS_ALT_PATH_SEP_
    228 
    229 // Tests that RemoveFileName() works with the alternate separator on
    230 // Windows.
    231 
    232 // RemoveFileName("adir/") -> "adir/"
    233 TEST(RemoveFileNameTest, ButNoFileForAlternateSeparator) {
    234   EXPECT_STREQ("adir" GTEST_PATH_SEP_,
    235                FilePath("adir/").RemoveFileName().c_str());
    236 }
    237 
    238 // RemoveFileName("adir/afile") -> "adir/"
    239 TEST(RemoveFileNameTest, GivesDirNameForAlternateSeparator) {
    240   EXPECT_STREQ("adir" GTEST_PATH_SEP_,
    241                FilePath("adir/afile").RemoveFileName().c_str());
    242 }
    243 
    244 // RemoveFileName("adir/subdir/afile") -> "adir/subdir/"
    245 TEST(RemoveFileNameTest, GivesDirAndSubDirNameForAlternateSeparator) {
    246   EXPECT_STREQ("adir" GTEST_PATH_SEP_ "subdir" GTEST_PATH_SEP_,
    247                FilePath("adir/subdir/afile").RemoveFileName().c_str());
    248 }
    249 
    250 // RemoveFileName("/afile") -> "\"
    251 TEST(RemoveFileNameTest, GivesRootDirForAlternateSeparator) {
    252   EXPECT_STREQ(GTEST_PATH_SEP_,
    253                FilePath("/afile").RemoveFileName().c_str());
    254 }
    255 
    256 #endif
    257 
    258 TEST(MakeFileNameTest, GenerateWhenNumberIsZero) {
    259   FilePath actual = FilePath::MakeFileName(FilePath("foo"), FilePath("bar"),
    260       0, "xml");
    261   EXPECT_STREQ("foo" GTEST_PATH_SEP_ "bar.xml", actual.c_str());
    262 }
    263 
    264 TEST(MakeFileNameTest, GenerateFileNameNumberGtZero) {
    265   FilePath actual = FilePath::MakeFileName(FilePath("foo"), FilePath("bar"),
    266       12, "xml");
    267   EXPECT_STREQ("foo" GTEST_PATH_SEP_ "bar_12.xml", actual.c_str());
    268 }
    269 
    270 TEST(MakeFileNameTest, GenerateFileNameWithSlashNumberIsZero) {
    271   FilePath actual = FilePath::MakeFileName(FilePath("foo" GTEST_PATH_SEP_),
    272       FilePath("bar"), 0, "xml");
    273   EXPECT_STREQ("foo" GTEST_PATH_SEP_ "bar.xml", actual.c_str());
    274 }
    275 
    276 TEST(MakeFileNameTest, GenerateFileNameWithSlashNumberGtZero) {
    277   FilePath actual = FilePath::MakeFileName(FilePath("foo" GTEST_PATH_SEP_),
    278       FilePath("bar"), 12, "xml");
    279   EXPECT_STREQ("foo" GTEST_PATH_SEP_ "bar_12.xml", actual.c_str());
    280 }
    281 
    282 TEST(MakeFileNameTest, GenerateWhenNumberIsZeroAndDirIsEmpty) {
    283   FilePath actual = FilePath::MakeFileName(FilePath(""), FilePath("bar"),
    284       0, "xml");
    285   EXPECT_STREQ("bar.xml", actual.c_str());
    286 }
    287 
    288 TEST(MakeFileNameTest, GenerateWhenNumberIsNotZeroAndDirIsEmpty) {
    289   FilePath actual = FilePath::MakeFileName(FilePath(""), FilePath("bar"),
    290       14, "xml");
    291   EXPECT_STREQ("bar_14.xml", actual.c_str());
    292 }
    293 
    294 TEST(ConcatPathsTest, WorksWhenDirDoesNotEndWithPathSep) {
    295   FilePath actual = FilePath::ConcatPaths(FilePath("foo"),
    296                                           FilePath("bar.xml"));
    297   EXPECT_STREQ("foo" GTEST_PATH_SEP_ "bar.xml", actual.c_str());
    298 }
    299 
    300 TEST(ConcatPathsTest, WorksWhenPath1EndsWithPathSep) {
    301   FilePath actual = FilePath::ConcatPaths(FilePath("foo" GTEST_PATH_SEP_),
    302                                           FilePath("bar.xml"));
    303   EXPECT_STREQ("foo" GTEST_PATH_SEP_ "bar.xml", actual.c_str());
    304 }
    305 
    306 TEST(ConcatPathsTest, Path1BeingEmpty) {
    307   FilePath actual = FilePath::ConcatPaths(FilePath(""),
    308                                           FilePath("bar.xml"));
    309   EXPECT_STREQ("bar.xml", actual.c_str());
    310 }
    311 
    312 TEST(ConcatPathsTest, Path2BeingEmpty) {
    313   FilePath actual = FilePath::ConcatPaths(FilePath("foo"),
    314                                           FilePath(""));
    315   EXPECT_STREQ("foo" GTEST_PATH_SEP_, actual.c_str());
    316 }
    317 
    318 TEST(ConcatPathsTest, BothPathBeingEmpty) {
    319   FilePath actual = FilePath::ConcatPaths(FilePath(""),
    320                                           FilePath(""));
    321   EXPECT_STREQ("", actual.c_str());
    322 }
    323 
    324 TEST(ConcatPathsTest, Path1ContainsPathSep) {
    325   FilePath actual = FilePath::ConcatPaths(FilePath("foo" GTEST_PATH_SEP_ "bar"),
    326                                           FilePath("foobar.xml"));
    327   EXPECT_STREQ("foo" GTEST_PATH_SEP_ "bar" GTEST_PATH_SEP_ "foobar.xml",
    328                actual.c_str());
    329 }
    330 
    331 TEST(ConcatPathsTest, Path2ContainsPathSep) {
    332   FilePath actual = FilePath::ConcatPaths(
    333       FilePath("foo" GTEST_PATH_SEP_),
    334       FilePath("bar" GTEST_PATH_SEP_ "bar.xml"));
    335   EXPECT_STREQ("foo" GTEST_PATH_SEP_ "bar" GTEST_PATH_SEP_ "bar.xml",
    336                actual.c_str());
    337 }
    338 
    339 TEST(ConcatPathsTest, Path2EndsWithPathSep) {
    340   FilePath actual = FilePath::ConcatPaths(FilePath("foo"),
    341                                           FilePath("bar" GTEST_PATH_SEP_));
    342   EXPECT_STREQ("foo" GTEST_PATH_SEP_ "bar" GTEST_PATH_SEP_, actual.c_str());
    343 }
    344 
    345 // RemoveTrailingPathSeparator "" -> ""
    346 TEST(RemoveTrailingPathSeparatorTest, EmptyString) {
    347   EXPECT_STREQ("",
    348       FilePath("").RemoveTrailingPathSeparator().c_str());
    349 }
    350 
    351 // RemoveTrailingPathSeparator "foo" -> "foo"
    352 TEST(RemoveTrailingPathSeparatorTest, FileNoSlashString) {
    353   EXPECT_STREQ("foo",
    354       FilePath("foo").RemoveTrailingPathSeparator().c_str());
    355 }
    356 
    357 // RemoveTrailingPathSeparator "foo/" -> "foo"
    358 TEST(RemoveTrailingPathSeparatorTest, ShouldRemoveTrailingSeparator) {
    359   EXPECT_STREQ(
    360       "foo",
    361       FilePath("foo" GTEST_PATH_SEP_).RemoveTrailingPathSeparator().c_str());
    362 #if GTEST_HAS_ALT_PATH_SEP_
    363   EXPECT_STREQ("foo",
    364                FilePath("foo/").RemoveTrailingPathSeparator().c_str());
    365 #endif
    366 }
    367 
    368 // RemoveTrailingPathSeparator "foo/bar/" -> "foo/bar/"
    369 TEST(RemoveTrailingPathSeparatorTest, ShouldRemoveLastSeparator) {
    370   EXPECT_STREQ("foo" GTEST_PATH_SEP_ "bar",
    371                FilePath("foo" GTEST_PATH_SEP_ "bar" GTEST_PATH_SEP_)
    372                .RemoveTrailingPathSeparator().c_str());
    373 }
    374 
    375 // RemoveTrailingPathSeparator "foo/bar" -> "foo/bar"
    376 TEST(RemoveTrailingPathSeparatorTest, ShouldReturnUnmodified) {
    377   EXPECT_STREQ("foo" GTEST_PATH_SEP_ "bar",
    378                FilePath("foo" GTEST_PATH_SEP_ "bar")
    379                .RemoveTrailingPathSeparator().c_str());
    380 }
    381 
    382 TEST(DirectoryTest, RootDirectoryExists) {
    383 #if GTEST_OS_WINDOWS  // We are on Windows.
    384   char current_drive[_MAX_PATH];  // NOLINT
    385   current_drive[0] = static_cast<char>(_getdrive() + 'A' - 1);
    386   current_drive[1] = ':';
    387   current_drive[2] = '\\';
    388   current_drive[3] = '\0';
    389   EXPECT_TRUE(FilePath(current_drive).DirectoryExists());
    390 #else
    391   EXPECT_TRUE(FilePath("/").DirectoryExists());
    392 #endif  // GTEST_OS_WINDOWS
    393 }
    394 
    395 #if GTEST_OS_WINDOWS
    396 TEST(DirectoryTest, RootOfWrongDriveDoesNotExists) {
    397   const int saved_drive_ = _getdrive();
    398   // Find a drive that doesn't exist. Start with 'Z' to avoid common ones.
    399   for (char drive = 'Z'; drive >= 'A'; drive--)
    400     if (_chdrive(drive - 'A' + 1) == -1) {
    401       char non_drive[_MAX_PATH];  // NOLINT
    402       non_drive[0] = drive;
    403       non_drive[1] = ':';
    404       non_drive[2] = '\\';
    405       non_drive[3] = '\0';
    406       EXPECT_FALSE(FilePath(non_drive).DirectoryExists());
    407       break;
    408     }
    409   _chdrive(saved_drive_);
    410 }
    411 #endif  // GTEST_OS_WINDOWS
    412 
    413 #if !GTEST_OS_WINDOWS_MOBILE
    414 // Windows CE _does_ consider an empty directory to exist.
    415 TEST(DirectoryTest, EmptyPathDirectoryDoesNotExist) {
    416   EXPECT_FALSE(FilePath("").DirectoryExists());
    417 }
    418 #endif  // !GTEST_OS_WINDOWS_MOBILE
    419 
    420 TEST(DirectoryTest, CurrentDirectoryExists) {
    421 #if GTEST_OS_WINDOWS  // We are on Windows.
    422 # ifndef _WIN32_CE  // Windows CE doesn't have a current directory.
    423 
    424   EXPECT_TRUE(FilePath(".").DirectoryExists());
    425   EXPECT_TRUE(FilePath(".\\").DirectoryExists());
    426 
    427 # endif  // _WIN32_CE
    428 #else
    429   EXPECT_TRUE(FilePath(".").DirectoryExists());
    430   EXPECT_TRUE(FilePath("./").DirectoryExists());
    431 #endif  // GTEST_OS_WINDOWS
    432 }
    433 
    434 TEST(NormalizeTest, NullStringsEqualEmptyDirectory) {
    435   EXPECT_STREQ("", FilePath(NULL).c_str());
    436   EXPECT_STREQ("", FilePath(String(NULL)).c_str());
    437 }
    438 
    439 // "foo/bar" == foo//bar" == "foo///bar"
    440 TEST(NormalizeTest, MultipleConsecutiveSepaparatorsInMidstring) {
    441   EXPECT_STREQ("foo" GTEST_PATH_SEP_ "bar",
    442                FilePath("foo" GTEST_PATH_SEP_ "bar").c_str());
    443   EXPECT_STREQ("foo" GTEST_PATH_SEP_ "bar",
    444                FilePath("foo" GTEST_PATH_SEP_ GTEST_PATH_SEP_ "bar").c_str());
    445   EXPECT_STREQ("foo" GTEST_PATH_SEP_ "bar",
    446                FilePath("foo" GTEST_PATH_SEP_ GTEST_PATH_SEP_
    447                         GTEST_PATH_SEP_ "bar").c_str());
    448 }
    449 
    450 // "/bar" == //bar" == "///bar"
    451 TEST(NormalizeTest, MultipleConsecutiveSepaparatorsAtStringStart) {
    452   EXPECT_STREQ(GTEST_PATH_SEP_ "bar",
    453     FilePath(GTEST_PATH_SEP_ "bar").c_str());
    454   EXPECT_STREQ(GTEST_PATH_SEP_ "bar",
    455     FilePath(GTEST_PATH_SEP_ GTEST_PATH_SEP_ "bar").c_str());
    456   EXPECT_STREQ(GTEST_PATH_SEP_ "bar",
    457     FilePath(GTEST_PATH_SEP_ GTEST_PATH_SEP_ GTEST_PATH_SEP_ "bar").c_str());
    458 }
    459 
    460 // "foo/" == foo//" == "foo///"
    461 TEST(NormalizeTest, MultipleConsecutiveSepaparatorsAtStringEnd) {
    462   EXPECT_STREQ("foo" GTEST_PATH_SEP_,
    463     FilePath("foo" GTEST_PATH_SEP_).c_str());
    464   EXPECT_STREQ("foo" GTEST_PATH_SEP_,
    465     FilePath("foo" GTEST_PATH_SEP_ GTEST_PATH_SEP_).c_str());
    466   EXPECT_STREQ("foo" GTEST_PATH_SEP_,
    467     FilePath("foo" GTEST_PATH_SEP_ GTEST_PATH_SEP_ GTEST_PATH_SEP_).c_str());
    468 }
    469 
    470 #if GTEST_HAS_ALT_PATH_SEP_
    471 
    472 // Tests that separators at the end of the string are normalized
    473 // regardless of their combination (e.g. "foo\" =="foo/\" ==
    474 // "foo\\/").
    475 TEST(NormalizeTest, MixAlternateSeparatorAtStringEnd) {
    476   EXPECT_STREQ("foo" GTEST_PATH_SEP_,
    477                FilePath("foo/").c_str());
    478   EXPECT_STREQ("foo" GTEST_PATH_SEP_,
    479                FilePath("foo" GTEST_PATH_SEP_ "/").c_str());
    480   EXPECT_STREQ("foo" GTEST_PATH_SEP_,
    481                FilePath("foo//" GTEST_PATH_SEP_).c_str());
    482 }
    483 
    484 #endif
    485 
    486 TEST(AssignmentOperatorTest, DefaultAssignedToNonDefault) {
    487   FilePath default_path;
    488   FilePath non_default_path("path");
    489   non_default_path = default_path;
    490   EXPECT_STREQ("", non_default_path.c_str());
    491   EXPECT_STREQ("", default_path.c_str());  // RHS var is unchanged.
    492 }
    493 
    494 TEST(AssignmentOperatorTest, NonDefaultAssignedToDefault) {
    495   FilePath non_default_path("path");
    496   FilePath default_path;
    497   default_path = non_default_path;
    498   EXPECT_STREQ("path", default_path.c_str());
    499   EXPECT_STREQ("path", non_default_path.c_str());  // RHS var is unchanged.
    500 }
    501 
    502 TEST(AssignmentOperatorTest, ConstAssignedToNonConst) {
    503   const FilePath const_default_path("const_path");
    504   FilePath non_default_path("path");
    505   non_default_path = const_default_path;
    506   EXPECT_STREQ("const_path", non_default_path.c_str());
    507 }
    508 
    509 class DirectoryCreationTest : public Test {
    510  protected:
    511   virtual void SetUp() {
    512     testdata_path_.Set(FilePath(String::Format("%s%s%s",
    513         TempDir().c_str(), GetCurrentExecutableName().c_str(),
    514         "_directory_creation" GTEST_PATH_SEP_ "test" GTEST_PATH_SEP_)));
    515     testdata_file_.Set(testdata_path_.RemoveTrailingPathSeparator());
    516 
    517     unique_file0_.Set(FilePath::MakeFileName(testdata_path_, FilePath("unique"),
    518         0, "txt"));
    519     unique_file1_.Set(FilePath::MakeFileName(testdata_path_, FilePath("unique"),
    520         1, "txt"));
    521 
    522     remove(testdata_file_.c_str());
    523     remove(unique_file0_.c_str());
    524     remove(unique_file1_.c_str());
    525     posix::RmDir(testdata_path_.c_str());
    526   }
    527 
    528   virtual void TearDown() {
    529     remove(testdata_file_.c_str());
    530     remove(unique_file0_.c_str());
    531     remove(unique_file1_.c_str());
    532     posix::RmDir(testdata_path_.c_str());
    533   }
    534 
    535   String TempDir() const {
    536 #if GTEST_OS_WINDOWS_MOBILE
    537     return String("\\temp\\");
    538 #elif GTEST_OS_WINDOWS
    539     const char* temp_dir = posix::GetEnv("TEMP");
    540     if (temp_dir == NULL || temp_dir[0] == '\0')
    541       return String("\\temp\\");
    542     else if (String(temp_dir).EndsWith("\\"))
    543       return String(temp_dir);
    544     else
    545       return String::Format("%s\\", temp_dir);
    546 // ANDROID
    547 #elif GTEST_OS_LINUX_ANDROID
    548     return String("/sdcard/");
    549 // END ANDROID
    550 #else
    551     return String("/tmp/");
    552 #endif  // GTEST_OS_WINDOWS_MOBILE
    553   }
    554 
    555   void CreateTextFile(const char* filename) {
    556     FILE* f = posix::FOpen(filename, "w");
    557     fprintf(f, "text\n");
    558     fclose(f);
    559   }
    560 
    561   // Strings representing a directory and a file, with identical paths
    562   // except for the trailing separator character that distinquishes
    563   // a directory named 'test' from a file named 'test'. Example names:
    564   FilePath testdata_path_;  // "/tmp/directory_creation/test/"
    565   FilePath testdata_file_;  // "/tmp/directory_creation/test"
    566   FilePath unique_file0_;  // "/tmp/directory_creation/test/unique.txt"
    567   FilePath unique_file1_;  // "/tmp/directory_creation/test/unique_1.txt"
    568 };
    569 
    570 TEST_F(DirectoryCreationTest, CreateDirectoriesRecursively) {
    571   EXPECT_FALSE(testdata_path_.DirectoryExists()) << testdata_path_.c_str();
    572   EXPECT_TRUE(testdata_path_.CreateDirectoriesRecursively());
    573   EXPECT_TRUE(testdata_path_.DirectoryExists());
    574 }
    575 
    576 TEST_F(DirectoryCreationTest, CreateDirectoriesForAlreadyExistingPath) {
    577   EXPECT_FALSE(testdata_path_.DirectoryExists()) << testdata_path_.c_str();
    578   EXPECT_TRUE(testdata_path_.CreateDirectoriesRecursively());
    579   // Call 'create' again... should still succeed.
    580   EXPECT_TRUE(testdata_path_.CreateDirectoriesRecursively());
    581 }
    582 
    583 TEST_F(DirectoryCreationTest, CreateDirectoriesAndUniqueFilename) {
    584   FilePath file_path(FilePath::GenerateUniqueFileName(testdata_path_,
    585       FilePath("unique"), "txt"));
    586   EXPECT_STREQ(unique_file0_.c_str(), file_path.c_str());
    587   EXPECT_FALSE(file_path.FileOrDirectoryExists());  // file not there
    588 
    589   testdata_path_.CreateDirectoriesRecursively();
    590   EXPECT_FALSE(file_path.FileOrDirectoryExists());  // file still not there
    591   CreateTextFile(file_path.c_str());
    592   EXPECT_TRUE(file_path.FileOrDirectoryExists());
    593 
    594   FilePath file_path2(FilePath::GenerateUniqueFileName(testdata_path_,
    595       FilePath("unique"), "txt"));
    596   EXPECT_STREQ(unique_file1_.c_str(), file_path2.c_str());
    597   EXPECT_FALSE(file_path2.FileOrDirectoryExists());  // file not there
    598   CreateTextFile(file_path2.c_str());
    599   EXPECT_TRUE(file_path2.FileOrDirectoryExists());
    600 }
    601 
    602 TEST_F(DirectoryCreationTest, CreateDirectoriesFail) {
    603   // force a failure by putting a file where we will try to create a directory.
    604   CreateTextFile(testdata_file_.c_str());
    605   EXPECT_TRUE(testdata_file_.FileOrDirectoryExists());
    606   EXPECT_FALSE(testdata_file_.DirectoryExists());
    607   EXPECT_FALSE(testdata_file_.CreateDirectoriesRecursively());
    608 }
    609 
    610 TEST(NoDirectoryCreationTest, CreateNoDirectoriesForDefaultXmlFile) {
    611   const FilePath test_detail_xml("test_detail.xml");
    612   EXPECT_FALSE(test_detail_xml.CreateDirectoriesRecursively());
    613 }
    614 
    615 TEST(FilePathTest, DefaultConstructor) {
    616   FilePath fp;
    617   EXPECT_STREQ("", fp.c_str());
    618 }
    619 
    620 TEST(FilePathTest, CharAndCopyConstructors) {
    621   const FilePath fp("spicy");
    622   EXPECT_STREQ("spicy", fp.c_str());
    623 
    624   const FilePath fp_copy(fp);
    625   EXPECT_STREQ("spicy", fp_copy.c_str());
    626 }
    627 
    628 TEST(FilePathTest, StringConstructor) {
    629   const FilePath fp(String("cider"));
    630   EXPECT_STREQ("cider", fp.c_str());
    631 }
    632 
    633 TEST(FilePathTest, Set) {
    634   const FilePath apple("apple");
    635   FilePath mac("mac");
    636   mac.Set(apple);  // Implement Set() since overloading operator= is forbidden.
    637   EXPECT_STREQ("apple", mac.c_str());
    638   EXPECT_STREQ("apple", apple.c_str());
    639 }
    640 
    641 TEST(FilePathTest, ToString) {
    642   const FilePath file("drink");
    643   String str(file.ToString());
    644   EXPECT_STREQ("drink", str.c_str());
    645 }
    646 
    647 TEST(FilePathTest, RemoveExtension) {
    648   EXPECT_STREQ("app", FilePath("app.exe").RemoveExtension("exe").c_str());
    649   EXPECT_STREQ("APP", FilePath("APP.EXE").RemoveExtension("exe").c_str());
    650 }
    651 
    652 TEST(FilePathTest, RemoveExtensionWhenThereIsNoExtension) {
    653   EXPECT_STREQ("app", FilePath("app").RemoveExtension("exe").c_str());
    654 }
    655 
    656 TEST(FilePathTest, IsDirectory) {
    657   EXPECT_FALSE(FilePath("cola").IsDirectory());
    658   EXPECT_TRUE(FilePath("koala" GTEST_PATH_SEP_).IsDirectory());
    659 #if GTEST_HAS_ALT_PATH_SEP_
    660   EXPECT_TRUE(FilePath("koala/").IsDirectory());
    661 #endif
    662 }
    663 
    664 TEST(FilePathTest, IsAbsolutePath) {
    665   EXPECT_FALSE(FilePath("is" GTEST_PATH_SEP_ "relative").IsAbsolutePath());
    666   EXPECT_FALSE(FilePath("").IsAbsolutePath());
    667 #if GTEST_OS_WINDOWS
    668   EXPECT_TRUE(FilePath("c:\\" GTEST_PATH_SEP_ "is_not"
    669                        GTEST_PATH_SEP_ "relative").IsAbsolutePath());
    670   EXPECT_FALSE(FilePath("c:foo" GTEST_PATH_SEP_ "bar").IsAbsolutePath());
    671   EXPECT_TRUE(FilePath("c:/" GTEST_PATH_SEP_ "is_not"
    672                        GTEST_PATH_SEP_ "relative").IsAbsolutePath());
    673 #else
    674   EXPECT_TRUE(FilePath(GTEST_PATH_SEP_ "is_not" GTEST_PATH_SEP_ "relative")
    675               .IsAbsolutePath());
    676 #endif  // GTEST_OS_WINDOWS
    677 }
    678 
    679 TEST(FilePathTest, IsRootDirectory) {
    680 #if GTEST_OS_WINDOWS
    681   EXPECT_TRUE(FilePath("a:\\").IsRootDirectory());
    682   EXPECT_TRUE(FilePath("Z:/").IsRootDirectory());
    683   EXPECT_TRUE(FilePath("e://").IsRootDirectory());
    684   EXPECT_FALSE(FilePath("").IsRootDirectory());
    685   EXPECT_FALSE(FilePath("b:").IsRootDirectory());
    686   EXPECT_FALSE(FilePath("b:a").IsRootDirectory());
    687   EXPECT_FALSE(FilePath("8:/").IsRootDirectory());
    688   EXPECT_FALSE(FilePath("c|/").IsRootDirectory());
    689 #else
    690   EXPECT_TRUE(FilePath("/").IsRootDirectory());
    691   EXPECT_TRUE(FilePath("//").IsRootDirectory());
    692   EXPECT_FALSE(FilePath("").IsRootDirectory());
    693   EXPECT_FALSE(FilePath("\\").IsRootDirectory());
    694   EXPECT_FALSE(FilePath("/x").IsRootDirectory());
    695 #endif
    696 }
    697 
    698 }  // namespace
    699 }  // namespace internal
    700 }  // namespace testing
    701