// Copyright 2008, Google Inc.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
//     * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//     * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
//     * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// Google Test filepath utilities
//
// This file tests classes and functions used internally by
// Google Test.  They are subject to change without notice.
//
// This file is #included from gtest-internal.h.
// Do not #include this file anywhere else!

#include "gtest/internal/gtest-filepath.h"
#include "gtest/gtest.h"
#include "src/gtest-internal-inl.h"

#if GTEST_OS_WINDOWS_MOBILE
# include <windows.h>  // NOLINT
#elif GTEST_OS_WINDOWS
# include <direct.h>  // NOLINT
#endif  // GTEST_OS_WINDOWS_MOBILE

namespace testing {
namespace internal {
namespace {

#if GTEST_OS_WINDOWS_MOBILE

// Windows CE doesn't have the remove C function.
int remove(const char* path) {
 LPCWSTR wpath = String::AnsiToUtf16(path);
 int ret = DeleteFile(wpath) ? 0 : -1;
 delete [] wpath;
 return ret;
}
// Windows CE doesn't have the _rmdir C function.
int _rmdir(const char* path) {
 FilePath filepath(path);
 LPCWSTR wpath = String::AnsiToUtf16(
     filepath.RemoveTrailingPathSeparator().c_str());
 int ret = RemoveDirectory(wpath) ? 0 : -1;
 delete [] wpath;
 return ret;
}

#else

TEST(GetCurrentDirTest, ReturnsCurrentDir) {
 const FilePath original_dir = FilePath::GetCurrentDir();
 EXPECT_FALSE(original_dir.IsEmpty());

 posix::ChDir(GTEST_PATH_SEP_);
 const FilePath cwd = FilePath::GetCurrentDir();
 posix::ChDir(original_dir.c_str());

# if GTEST_OS_WINDOWS || GTEST_OS_OS2

 // Skips the ":".
 const char* const cwd_without_drive = strchr(cwd.c_str(), ':');
 ASSERT_TRUE(cwd_without_drive != NULL);
 EXPECT_STREQ(GTEST_PATH_SEP_, cwd_without_drive + 1);

# else

 EXPECT_EQ(GTEST_PATH_SEP_, cwd.string());

# endif
}

#endif  // GTEST_OS_WINDOWS_MOBILE

TEST(IsEmptyTest, ReturnsTrueForEmptyPath) {
 EXPECT_TRUE(FilePath("").IsEmpty());
}

TEST(IsEmptyTest, ReturnsFalseForNonEmptyPath) {
 EXPECT_FALSE(FilePath("a").IsEmpty());
 EXPECT_FALSE(FilePath(".").IsEmpty());
 EXPECT_FALSE(FilePath("a/b").IsEmpty());
 EXPECT_FALSE(FilePath("a\\b\\").IsEmpty());
}

// RemoveDirectoryName "" -> ""
TEST(RemoveDirectoryNameTest, WhenEmptyName) {
 EXPECT_EQ("", FilePath("").RemoveDirectoryName().string());
}

// RemoveDirectoryName "afile" -> "afile"
TEST(RemoveDirectoryNameTest, ButNoDirectory) {
 EXPECT_EQ("afile",
     FilePath("afile").RemoveDirectoryName().string());
}

// RemoveDirectoryName "/afile" -> "afile"
TEST(RemoveDirectoryNameTest, RootFileShouldGiveFileName) {
 EXPECT_EQ("afile",
     FilePath(GTEST_PATH_SEP_ "afile").RemoveDirectoryName().string());
}

// RemoveDirectoryName "adir/" -> ""
TEST(RemoveDirectoryNameTest, WhereThereIsNoFileName) {
 EXPECT_EQ("",
     FilePath("adir" GTEST_PATH_SEP_).RemoveDirectoryName().string());
}

// RemoveDirectoryName "adir/afile" -> "afile"
TEST(RemoveDirectoryNameTest, ShouldGiveFileName) {
 EXPECT_EQ("afile",
     FilePath("adir" GTEST_PATH_SEP_ "afile").RemoveDirectoryName().string());
}

// RemoveDirectoryName "adir/subdir/afile" -> "afile"
TEST(RemoveDirectoryNameTest, ShouldAlsoGiveFileName) {
 EXPECT_EQ("afile",
     FilePath("adir" GTEST_PATH_SEP_ "subdir" GTEST_PATH_SEP_ "afile")
     .RemoveDirectoryName().string());
}

#if GTEST_HAS_ALT_PATH_SEP_

// Tests that RemoveDirectoryName() works with the alternate separator
// on Windows.

// RemoveDirectoryName("/afile") -> "afile"
TEST(RemoveDirectoryNameTest, RootFileShouldGiveFileNameForAlternateSeparator) {
 EXPECT_EQ("afile", FilePath("/afile").RemoveDirectoryName().string());
}

// RemoveDirectoryName("adir/") -> ""
TEST(RemoveDirectoryNameTest, WhereThereIsNoFileNameForAlternateSeparator) {
 EXPECT_EQ("", FilePath("adir/").RemoveDirectoryName().string());
}

// RemoveDirectoryName("adir/afile") -> "afile"
TEST(RemoveDirectoryNameTest, ShouldGiveFileNameForAlternateSeparator) {
 EXPECT_EQ("afile", FilePath("adir/afile").RemoveDirectoryName().string());
}

// RemoveDirectoryName("adir/subdir/afile") -> "afile"
TEST(RemoveDirectoryNameTest, ShouldAlsoGiveFileNameForAlternateSeparator) {
 EXPECT_EQ("afile",
           FilePath("adir/subdir/afile").RemoveDirectoryName().string());
}

#endif

// RemoveFileName "" -> "./"
TEST(RemoveFileNameTest, EmptyName) {
#if GTEST_OS_WINDOWS_MOBILE
 // On Windows CE, we use the root as the current directory.
 EXPECT_EQ(GTEST_PATH_SEP_, FilePath("").RemoveFileName().string());
#else
 EXPECT_EQ("." GTEST_PATH_SEP_, FilePath("").RemoveFileName().string());
#endif
}

// RemoveFileName "adir/" -> "adir/"
TEST(RemoveFileNameTest, ButNoFile) {
 EXPECT_EQ("adir" GTEST_PATH_SEP_,
     FilePath("adir" GTEST_PATH_SEP_).RemoveFileName().string());
}

// RemoveFileName "adir/afile" -> "adir/"
TEST(RemoveFileNameTest, GivesDirName) {
 EXPECT_EQ("adir" GTEST_PATH_SEP_,
           FilePath("adir" GTEST_PATH_SEP_ "afile").RemoveFileName().string());
}

// RemoveFileName "adir/subdir/afile" -> "adir/subdir/"
TEST(RemoveFileNameTest, GivesDirAndSubDirName) {
 EXPECT_EQ("adir" GTEST_PATH_SEP_ "subdir" GTEST_PATH_SEP_,
     FilePath("adir" GTEST_PATH_SEP_ "subdir" GTEST_PATH_SEP_ "afile")
     .RemoveFileName().string());
}

// RemoveFileName "/afile" -> "/"
TEST(RemoveFileNameTest, GivesRootDir) {
 EXPECT_EQ(GTEST_PATH_SEP_,
     FilePath(GTEST_PATH_SEP_ "afile").RemoveFileName().string());
}

#if GTEST_HAS_ALT_PATH_SEP_

// Tests that RemoveFileName() works with the alternate separator on
// Windows.

// RemoveFileName("adir/") -> "adir/"
TEST(RemoveFileNameTest, ButNoFileForAlternateSeparator) {
 EXPECT_EQ("adir" GTEST_PATH_SEP_,
           FilePath("adir/").RemoveFileName().string());
}

// RemoveFileName("adir/afile") -> "adir/"
TEST(RemoveFileNameTest, GivesDirNameForAlternateSeparator) {
 EXPECT_EQ("adir" GTEST_PATH_SEP_,
           FilePath("adir/afile").RemoveFileName().string());
}

// RemoveFileName("adir/subdir/afile") -> "adir/subdir/"
TEST(RemoveFileNameTest, GivesDirAndSubDirNameForAlternateSeparator) {
 EXPECT_EQ("adir" GTEST_PATH_SEP_ "subdir" GTEST_PATH_SEP_,
           FilePath("adir/subdir/afile").RemoveFileName().string());
}

// RemoveFileName("/afile") -> "\"
TEST(RemoveFileNameTest, GivesRootDirForAlternateSeparator) {
 EXPECT_EQ(GTEST_PATH_SEP_, FilePath("/afile").RemoveFileName().string());
}

#endif

TEST(MakeFileNameTest, GenerateWhenNumberIsZero) {
 FilePath actual = FilePath::MakeFileName(FilePath("foo"), FilePath("bar"),
     0, "xml");
 EXPECT_EQ("foo" GTEST_PATH_SEP_ "bar.xml", actual.string());
}

TEST(MakeFileNameTest, GenerateFileNameNumberGtZero) {
 FilePath actual = FilePath::MakeFileName(FilePath("foo"), FilePath("bar"),
     12, "xml");
 EXPECT_EQ("foo" GTEST_PATH_SEP_ "bar_12.xml", actual.string());
}

TEST(MakeFileNameTest, GenerateFileNameWithSlashNumberIsZero) {
 FilePath actual = FilePath::MakeFileName(FilePath("foo" GTEST_PATH_SEP_),
     FilePath("bar"), 0, "xml");
 EXPECT_EQ("foo" GTEST_PATH_SEP_ "bar.xml", actual.string());
}

TEST(MakeFileNameTest, GenerateFileNameWithSlashNumberGtZero) {
 FilePath actual = FilePath::MakeFileName(FilePath("foo" GTEST_PATH_SEP_),
     FilePath("bar"), 12, "xml");
 EXPECT_EQ("foo" GTEST_PATH_SEP_ "bar_12.xml", actual.string());
}

TEST(MakeFileNameTest, GenerateWhenNumberIsZeroAndDirIsEmpty) {
 FilePath actual = FilePath::MakeFileName(FilePath(""), FilePath("bar"),
     0, "xml");
 EXPECT_EQ("bar.xml", actual.string());
}

TEST(MakeFileNameTest, GenerateWhenNumberIsNotZeroAndDirIsEmpty) {
 FilePath actual = FilePath::MakeFileName(FilePath(""), FilePath("bar"),
     14, "xml");
 EXPECT_EQ("bar_14.xml", actual.string());
}

TEST(ConcatPathsTest, WorksWhenDirDoesNotEndWithPathSep) {
 FilePath actual = FilePath::ConcatPaths(FilePath("foo"),
                                         FilePath("bar.xml"));
 EXPECT_EQ("foo" GTEST_PATH_SEP_ "bar.xml", actual.string());
}

TEST(ConcatPathsTest, WorksWhenPath1EndsWithPathSep) {
 FilePath actual = FilePath::ConcatPaths(FilePath("foo" GTEST_PATH_SEP_),
                                         FilePath("bar.xml"));
 EXPECT_EQ("foo" GTEST_PATH_SEP_ "bar.xml", actual.string());
}

TEST(ConcatPathsTest, Path1BeingEmpty) {
 FilePath actual = FilePath::ConcatPaths(FilePath(""),
                                         FilePath("bar.xml"));
 EXPECT_EQ("bar.xml", actual.string());
}

TEST(ConcatPathsTest, Path2BeingEmpty) {
 FilePath actual = FilePath::ConcatPaths(FilePath("foo"), FilePath(""));
 EXPECT_EQ("foo" GTEST_PATH_SEP_, actual.string());
}

TEST(ConcatPathsTest, BothPathBeingEmpty) {
 FilePath actual = FilePath::ConcatPaths(FilePath(""),
                                         FilePath(""));
 EXPECT_EQ("", actual.string());
}

TEST(ConcatPathsTest, Path1ContainsPathSep) {
 FilePath actual = FilePath::ConcatPaths(FilePath("foo" GTEST_PATH_SEP_ "bar"),
                                         FilePath("foobar.xml"));
 EXPECT_EQ("foo" GTEST_PATH_SEP_ "bar" GTEST_PATH_SEP_ "foobar.xml",
           actual.string());
}

TEST(ConcatPathsTest, Path2ContainsPathSep) {
 FilePath actual = FilePath::ConcatPaths(
     FilePath("foo" GTEST_PATH_SEP_),
     FilePath("bar" GTEST_PATH_SEP_ "bar.xml"));
 EXPECT_EQ("foo" GTEST_PATH_SEP_ "bar" GTEST_PATH_SEP_ "bar.xml",
           actual.string());
}

TEST(ConcatPathsTest, Path2EndsWithPathSep) {
 FilePath actual = FilePath::ConcatPaths(FilePath("foo"),
                                         FilePath("bar" GTEST_PATH_SEP_));
 EXPECT_EQ("foo" GTEST_PATH_SEP_ "bar" GTEST_PATH_SEP_, actual.string());
}

// RemoveTrailingPathSeparator "" -> ""
TEST(RemoveTrailingPathSeparatorTest, EmptyString) {
 EXPECT_EQ("", FilePath("").RemoveTrailingPathSeparator().string());
}

// RemoveTrailingPathSeparator "foo" -> "foo"
TEST(RemoveTrailingPathSeparatorTest, FileNoSlashString) {
 EXPECT_EQ("foo", FilePath("foo").RemoveTrailingPathSeparator().string());
}

// RemoveTrailingPathSeparator "foo/" -> "foo"
TEST(RemoveTrailingPathSeparatorTest, ShouldRemoveTrailingSeparator) {
 EXPECT_EQ("foo",
     FilePath("foo" GTEST_PATH_SEP_).RemoveTrailingPathSeparator().string());
#if GTEST_HAS_ALT_PATH_SEP_
 EXPECT_EQ("foo", FilePath("foo/").RemoveTrailingPathSeparator().string());
#endif
}

// RemoveTrailingPathSeparator "foo/bar/" -> "foo/bar/"
TEST(RemoveTrailingPathSeparatorTest, ShouldRemoveLastSeparator) {
 EXPECT_EQ("foo" GTEST_PATH_SEP_ "bar",
           FilePath("foo" GTEST_PATH_SEP_ "bar" GTEST_PATH_SEP_)
               .RemoveTrailingPathSeparator().string());
}

// RemoveTrailingPathSeparator "foo/bar" -> "foo/bar"
TEST(RemoveTrailingPathSeparatorTest, ShouldReturnUnmodified) {
 EXPECT_EQ("foo" GTEST_PATH_SEP_ "bar",
           FilePath("foo" GTEST_PATH_SEP_ "bar")
               .RemoveTrailingPathSeparator().string());
}

TEST(DirectoryTest, RootDirectoryExists) {
#if GTEST_OS_WINDOWS  // We are on Windows.
 char current_drive[_MAX_PATH];  // NOLINT
 current_drive[0] = static_cast<char>(_getdrive() + 'A' - 1);
 current_drive[1] = ':';
 current_drive[2] = '\\';
 current_drive[3] = '\0';
 EXPECT_TRUE(FilePath(current_drive).DirectoryExists());
#else
 EXPECT_TRUE(FilePath("/").DirectoryExists());
#endif  // GTEST_OS_WINDOWS
}

#if GTEST_OS_WINDOWS
TEST(DirectoryTest, RootOfWrongDriveDoesNotExists) {
 const int saved_drive_ = _getdrive();
 // Find a drive that doesn't exist. Start with 'Z' to avoid common ones.
 for (char drive = 'Z'; drive >= 'A'; drive--)
   if (_chdrive(drive - 'A' + 1) == -1) {
     char non_drive[_MAX_PATH];  // NOLINT
     non_drive[0] = drive;
     non_drive[1] = ':';
     non_drive[2] = '\\';
     non_drive[3] = '\0';
     EXPECT_FALSE(FilePath(non_drive).DirectoryExists());
     break;
   }
 _chdrive(saved_drive_);
}
#endif  // GTEST_OS_WINDOWS

#if !GTEST_OS_WINDOWS_MOBILE
// Windows CE _does_ consider an empty directory to exist.
TEST(DirectoryTest, EmptyPathDirectoryDoesNotExist) {
 EXPECT_FALSE(FilePath("").DirectoryExists());
}
#endif  // !GTEST_OS_WINDOWS_MOBILE

TEST(DirectoryTest, CurrentDirectoryExists) {
#if GTEST_OS_WINDOWS  // We are on Windows.
# ifndef _WIN32_CE  // Windows CE doesn't have a current directory.

 EXPECT_TRUE(FilePath(".").DirectoryExists());
 EXPECT_TRUE(FilePath(".\\").DirectoryExists());

# endif  // _WIN32_CE
#else
 EXPECT_TRUE(FilePath(".").DirectoryExists());
 EXPECT_TRUE(FilePath("./").DirectoryExists());
#endif  // GTEST_OS_WINDOWS
}

// "foo/bar" == foo//bar" == "foo///bar"
TEST(NormalizeTest, MultipleConsecutiveSepaparatorsInMidstring) {
 EXPECT_EQ("foo" GTEST_PATH_SEP_ "bar",
           FilePath("foo" GTEST_PATH_SEP_ "bar").string());
 EXPECT_EQ("foo" GTEST_PATH_SEP_ "bar",
           FilePath("foo" GTEST_PATH_SEP_ GTEST_PATH_SEP_ "bar").string());
 EXPECT_EQ("foo" GTEST_PATH_SEP_ "bar",
           FilePath("foo" GTEST_PATH_SEP_ GTEST_PATH_SEP_
                    GTEST_PATH_SEP_ "bar").string());
}

// "/bar" == //bar" == "///bar"
TEST(NormalizeTest, MultipleConsecutiveSepaparatorsAtStringStart) {
 EXPECT_EQ(GTEST_PATH_SEP_ "bar",
   FilePath(GTEST_PATH_SEP_ "bar").string());
 EXPECT_EQ(GTEST_PATH_SEP_ "bar",
   FilePath(GTEST_PATH_SEP_ GTEST_PATH_SEP_ "bar").string());
 EXPECT_EQ(GTEST_PATH_SEP_ "bar",
   FilePath(GTEST_PATH_SEP_ GTEST_PATH_SEP_ GTEST_PATH_SEP_ "bar").string());
}

// "foo/" == foo//" == "foo///"
TEST(NormalizeTest, MultipleConsecutiveSepaparatorsAtStringEnd) {
 EXPECT_EQ("foo" GTEST_PATH_SEP_,
   FilePath("foo" GTEST_PATH_SEP_).string());
 EXPECT_EQ("foo" GTEST_PATH_SEP_,
   FilePath("foo" GTEST_PATH_SEP_ GTEST_PATH_SEP_).string());
 EXPECT_EQ("foo" GTEST_PATH_SEP_,
   FilePath("foo" GTEST_PATH_SEP_ GTEST_PATH_SEP_ GTEST_PATH_SEP_).string());
}

#if GTEST_HAS_ALT_PATH_SEP_

// Tests that separators at the end of the string are normalized
// regardless of their combination (e.g. "foo\" =="foo/\" ==
// "foo\\/").
TEST(NormalizeTest, MixAlternateSeparatorAtStringEnd) {
 EXPECT_EQ("foo" GTEST_PATH_SEP_,
           FilePath("foo/").string());
 EXPECT_EQ("foo" GTEST_PATH_SEP_,
           FilePath("foo" GTEST_PATH_SEP_ "/").string());
 EXPECT_EQ("foo" GTEST_PATH_SEP_,
           FilePath("foo//" GTEST_PATH_SEP_).string());
}

#endif

TEST(AssignmentOperatorTest, DefaultAssignedToNonDefault) {
 FilePath default_path;
 FilePath non_default_path("path");
 non_default_path = default_path;
 EXPECT_EQ("", non_default_path.string());
 EXPECT_EQ("", default_path.string());  // RHS var is unchanged.
}

TEST(AssignmentOperatorTest, NonDefaultAssignedToDefault) {
 FilePath non_default_path("path");
 FilePath default_path;
 default_path = non_default_path;
 EXPECT_EQ("path", default_path.string());
 EXPECT_EQ("path", non_default_path.string());  // RHS var is unchanged.
}

TEST(AssignmentOperatorTest, ConstAssignedToNonConst) {
 const FilePath const_default_path("const_path");
 FilePath non_default_path("path");
 non_default_path = const_default_path;
 EXPECT_EQ("const_path", non_default_path.string());
}

class DirectoryCreationTest : public Test {
protected:
 void SetUp() override {
   testdata_path_.Set(FilePath(
       TempDir() + GetCurrentExecutableName().string() +
       "_directory_creation" GTEST_PATH_SEP_ "test" GTEST_PATH_SEP_));
   testdata_file_.Set(testdata_path_.RemoveTrailingPathSeparator());

   unique_file0_.Set(FilePath::MakeFileName(testdata_path_, FilePath("unique"),
       0, "txt"));
   unique_file1_.Set(FilePath::MakeFileName(testdata_path_, FilePath("unique"),
       1, "txt"));

   remove(testdata_file_.c_str());
   remove(unique_file0_.c_str());
   remove(unique_file1_.c_str());
   posix::RmDir(testdata_path_.c_str());
 }

 void TearDown() override {
   remove(testdata_file_.c_str());
   remove(unique_file0_.c_str());
   remove(unique_file1_.c_str());
   posix::RmDir(testdata_path_.c_str());
 }

 void CreateTextFile(const char* filename) {
   FILE* f = posix::FOpen(filename, "w");
   fprintf(f, "text\n");
   fclose(f);
 }

 // Strings representing a directory and a file, with identical paths
 // except for the trailing separator character that distinquishes
 // a directory named 'test' from a file named 'test'. Example names:
 FilePath testdata_path_;  // "/tmp/directory_creation/test/"
 FilePath testdata_file_;  // "/tmp/directory_creation/test"
 FilePath unique_file0_;  // "/tmp/directory_creation/test/unique.txt"
 FilePath unique_file1_;  // "/tmp/directory_creation/test/unique_1.txt"
};

TEST_F(DirectoryCreationTest, CreateDirectoriesRecursively) {
 EXPECT_FALSE(testdata_path_.DirectoryExists()) << testdata_path_.string();
 EXPECT_TRUE(testdata_path_.CreateDirectoriesRecursively());
 EXPECT_TRUE(testdata_path_.DirectoryExists());
}

TEST_F(DirectoryCreationTest, CreateDirectoriesForAlreadyExistingPath) {
 EXPECT_FALSE(testdata_path_.DirectoryExists()) << testdata_path_.string();
 EXPECT_TRUE(testdata_path_.CreateDirectoriesRecursively());
 // Call 'create' again... should still succeed.
 EXPECT_TRUE(testdata_path_.CreateDirectoriesRecursively());
}

TEST_F(DirectoryCreationTest, CreateDirectoriesAndUniqueFilename) {
 FilePath file_path(FilePath::GenerateUniqueFileName(testdata_path_,
     FilePath("unique"), "txt"));
 EXPECT_EQ(unique_file0_.string(), file_path.string());
 EXPECT_FALSE(file_path.FileOrDirectoryExists());  // file not there

 testdata_path_.CreateDirectoriesRecursively();
 EXPECT_FALSE(file_path.FileOrDirectoryExists());  // file still not there
 CreateTextFile(file_path.c_str());
 EXPECT_TRUE(file_path.FileOrDirectoryExists());

 FilePath file_path2(FilePath::GenerateUniqueFileName(testdata_path_,
     FilePath("unique"), "txt"));
 EXPECT_EQ(unique_file1_.string(), file_path2.string());
 EXPECT_FALSE(file_path2.FileOrDirectoryExists());  // file not there
 CreateTextFile(file_path2.c_str());
 EXPECT_TRUE(file_path2.FileOrDirectoryExists());
}

TEST_F(DirectoryCreationTest, CreateDirectoriesFail) {
 // force a failure by putting a file where we will try to create a directory.
 CreateTextFile(testdata_file_.c_str());
 EXPECT_TRUE(testdata_file_.FileOrDirectoryExists());
 EXPECT_FALSE(testdata_file_.DirectoryExists());
 EXPECT_FALSE(testdata_file_.CreateDirectoriesRecursively());
}

TEST(NoDirectoryCreationTest, CreateNoDirectoriesForDefaultXmlFile) {
 const FilePath test_detail_xml("test_detail.xml");
 EXPECT_FALSE(test_detail_xml.CreateDirectoriesRecursively());
}

TEST(FilePathTest, DefaultConstructor) {
 FilePath fp;
 EXPECT_EQ("", fp.string());
}

TEST(FilePathTest, CharAndCopyConstructors) {
 const FilePath fp("spicy");
 EXPECT_EQ("spicy", fp.string());

 const FilePath fp_copy(fp);
 EXPECT_EQ("spicy", fp_copy.string());
}

TEST(FilePathTest, StringConstructor) {
 const FilePath fp(std::string("cider"));
 EXPECT_EQ("cider", fp.string());
}

TEST(FilePathTest, Set) {
 const FilePath apple("apple");
 FilePath mac("mac");
 mac.Set(apple);  // Implement Set() since overloading operator= is forbidden.
 EXPECT_EQ("apple", mac.string());
 EXPECT_EQ("apple", apple.string());
}

TEST(FilePathTest, ToString) {
 const FilePath file("drink");
 EXPECT_EQ("drink", file.string());
}

TEST(FilePathTest, RemoveExtension) {
 EXPECT_EQ("app", FilePath("app.cc").RemoveExtension("cc").string());
 EXPECT_EQ("app", FilePath("app.exe").RemoveExtension("exe").string());
 EXPECT_EQ("APP", FilePath("APP.EXE").RemoveExtension("exe").string());
}

TEST(FilePathTest, RemoveExtensionWhenThereIsNoExtension) {
 EXPECT_EQ("app", FilePath("app").RemoveExtension("exe").string());
}

TEST(FilePathTest, IsDirectory) {
 EXPECT_FALSE(FilePath("cola").IsDirectory());
 EXPECT_TRUE(FilePath("koala" GTEST_PATH_SEP_).IsDirectory());
#if GTEST_HAS_ALT_PATH_SEP_
 EXPECT_TRUE(FilePath("koala/").IsDirectory());
#endif
}

TEST(FilePathTest, IsAbsolutePath) {
 EXPECT_FALSE(FilePath("is" GTEST_PATH_SEP_ "relative").IsAbsolutePath());
 EXPECT_FALSE(FilePath("").IsAbsolutePath());
#if GTEST_OS_WINDOWS
 EXPECT_TRUE(FilePath("c:\\" GTEST_PATH_SEP_ "is_not"
                      GTEST_PATH_SEP_ "relative").IsAbsolutePath());
 EXPECT_FALSE(FilePath("c:foo" GTEST_PATH_SEP_ "bar").IsAbsolutePath());
 EXPECT_TRUE(FilePath("c:/" GTEST_PATH_SEP_ "is_not"
                      GTEST_PATH_SEP_ "relative").IsAbsolutePath());
#else
 EXPECT_TRUE(FilePath(GTEST_PATH_SEP_ "is_not" GTEST_PATH_SEP_ "relative")
             .IsAbsolutePath());
#endif  // GTEST_OS_WINDOWS
}

TEST(FilePathTest, IsRootDirectory) {
#if GTEST_OS_WINDOWS
 EXPECT_TRUE(FilePath("a:\\").IsRootDirectory());
 EXPECT_TRUE(FilePath("Z:/").IsRootDirectory());
 EXPECT_TRUE(FilePath("e://").IsRootDirectory());
 EXPECT_FALSE(FilePath("").IsRootDirectory());
 EXPECT_FALSE(FilePath("b:").IsRootDirectory());
 EXPECT_FALSE(FilePath("b:a").IsRootDirectory());
 EXPECT_FALSE(FilePath("8:/").IsRootDirectory());
 EXPECT_FALSE(FilePath("c|/").IsRootDirectory());
#else
 EXPECT_TRUE(FilePath("/").IsRootDirectory());
 EXPECT_TRUE(FilePath("//").IsRootDirectory());
 EXPECT_FALSE(FilePath("").IsRootDirectory());
 EXPECT_FALSE(FilePath("\\").IsRootDirectory());
 EXPECT_FALSE(FilePath("/x").IsRootDirectory());
#endif
}

}  // namespace
}  // namespace internal
}  // namespace testing

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