//===- llvm/unittest/Support/Path.cpp - Path tests ------------------------===// // // The LLVM Compiler Infrastructure // // This file is distributed under the University of Illinois Open Source // License. See LICENSE.TXT for details. // //===----------------------------------------------------------------------===// #include "llvm/Support/Path.h" #include "llvm/ADT/SmallVector.h" #include "llvm/ADT/STLExtras.h" #include "llvm/ADT/Triple.h" #include "llvm/Support/ConvertUTF.h" #include "llvm/Support/Errc.h" #include "llvm/Support/ErrorHandling.h" #include "llvm/Support/FileSystem.h" #include "llvm/Support/FileUtilities.h" #include "llvm/Support/Host.h" #include "llvm/Support/MemoryBuffer.h" #include "llvm/Support/raw_ostream.h" #include "gtest/gtest.h" #ifdef LLVM_ON_WIN32 #include "llvm/ADT/ArrayRef.h" #include #include #endif #ifdef LLVM_ON_UNIX #include #endif using namespace llvm; using namespace llvm::sys; #define ASSERT_NO_ERROR(x) \ if (std::error_code ASSERT_NO_ERROR_ec = x) { \ SmallString<128> MessageStorage; \ raw_svector_ostream Message(MessageStorage); \ Message << #x ": did not return errc::success.\n" \ << "error number: " << ASSERT_NO_ERROR_ec.value() << "\n" \ << "error message: " << ASSERT_NO_ERROR_ec.message() << "\n"; \ GTEST_FATAL_FAILURE_(MessageStorage.c_str()); \ } else { \ } namespace { TEST(is_separator, Works) { EXPECT_TRUE(path::is_separator('/')); EXPECT_FALSE(path::is_separator('\0')); EXPECT_FALSE(path::is_separator('-')); EXPECT_FALSE(path::is_separator(' ')); EXPECT_TRUE(path::is_separator('\\', path::Style::windows)); EXPECT_FALSE(path::is_separator('\\', path::Style::posix)); #ifdef LLVM_ON_WIN32 EXPECT_TRUE(path::is_separator('\\')); #else EXPECT_FALSE(path::is_separator('\\')); #endif } TEST(Support, Path) { SmallVector paths; paths.push_back(""); paths.push_back("."); paths.push_back(".."); paths.push_back("foo"); paths.push_back("/"); paths.push_back("/foo"); paths.push_back("foo/"); paths.push_back("/foo/"); paths.push_back("foo/bar"); paths.push_back("/foo/bar"); paths.push_back("//net"); paths.push_back("//net/foo"); paths.push_back("///foo///"); paths.push_back("///foo///bar"); paths.push_back("/."); paths.push_back("./"); paths.push_back("/.."); paths.push_back("../"); paths.push_back("foo/."); paths.push_back("foo/.."); paths.push_back("foo/./"); paths.push_back("foo/./bar"); paths.push_back("foo/.."); paths.push_back("foo/../"); paths.push_back("foo/../bar"); paths.push_back("c:"); paths.push_back("c:/"); paths.push_back("c:foo"); paths.push_back("c:/foo"); paths.push_back("c:foo/"); paths.push_back("c:/foo/"); paths.push_back("c:/foo/bar"); paths.push_back("prn:"); paths.push_back("c:\\"); paths.push_back("c:foo"); paths.push_back("c:\\foo"); paths.push_back("c:foo\\"); paths.push_back("c:\\foo\\"); paths.push_back("c:\\foo/"); paths.push_back("c:/foo\\bar"); SmallVector ComponentStack; for (SmallVector::const_iterator i = paths.begin(), e = paths.end(); i != e; ++i) { for (sys::path::const_iterator ci = sys::path::begin(*i), ce = sys::path::end(*i); ci != ce; ++ci) { ASSERT_FALSE(ci->empty()); ComponentStack.push_back(*ci); } for (sys::path::reverse_iterator ci = sys::path::rbegin(*i), ce = sys::path::rend(*i); ci != ce; ++ci) { ASSERT_TRUE(*ci == ComponentStack.back()); ComponentStack.pop_back(); } ASSERT_TRUE(ComponentStack.empty()); // Crash test most of the API - since we're iterating over all of our paths // here there isn't really anything reasonable to assert on in the results. (void)path::has_root_path(*i); (void)path::root_path(*i); (void)path::has_root_name(*i); (void)path::root_name(*i); (void)path::has_root_directory(*i); (void)path::root_directory(*i); (void)path::has_parent_path(*i); (void)path::parent_path(*i); (void)path::has_filename(*i); (void)path::filename(*i); (void)path::has_stem(*i); (void)path::stem(*i); (void)path::has_extension(*i); (void)path::extension(*i); (void)path::is_absolute(*i); (void)path::is_relative(*i); SmallString<128> temp_store; temp_store = *i; ASSERT_NO_ERROR(fs::make_absolute(temp_store)); temp_store = *i; path::remove_filename(temp_store); temp_store = *i; path::replace_extension(temp_store, "ext"); StringRef filename(temp_store.begin(), temp_store.size()), stem, ext; stem = path::stem(filename); ext = path::extension(filename); EXPECT_EQ(*sys::path::rbegin(filename), (stem + ext).str()); path::native(*i, temp_store); } SmallString<32> Relative("foo.cpp"); ASSERT_NO_ERROR(sys::fs::make_absolute("/root", Relative)); Relative[5] = '/'; // Fix up windows paths. ASSERT_EQ("/root/foo.cpp", Relative); } TEST(Support, RelativePathIterator) { SmallString<64> Path(StringRef("c/d/e/foo.txt")); typedef SmallVector PathComponents; PathComponents ExpectedPathComponents; PathComponents ActualPathComponents; StringRef(Path).split(ExpectedPathComponents, '/'); for (path::const_iterator I = path::begin(Path), E = path::end(Path); I != E; ++I) { ActualPathComponents.push_back(*I); } ASSERT_EQ(ExpectedPathComponents.size(), ActualPathComponents.size()); for (size_t i = 0; i Path(StringRef(".c/.d/../.")); typedef SmallVector PathComponents; PathComponents ExpectedPathComponents; PathComponents ActualPathComponents; StringRef(Path).split(ExpectedPathComponents, '/'); for (path::const_iterator I = path::begin(Path), E = path::end(Path); I != E; ++I) { ActualPathComponents.push_back(*I); } ASSERT_EQ(ExpectedPathComponents.size(), ActualPathComponents.size()); for (size_t i = 0; i Path(StringRef("/c/d/e/foo.txt")); typedef SmallVector PathComponents; PathComponents ExpectedPathComponents; PathComponents ActualPathComponents; StringRef(Path).split(ExpectedPathComponents, '/'); // The root path will also be a component when iterating ExpectedPathComponents[0] = "/"; for (path::const_iterator I = path::begin(Path), E = path::end(Path); I != E; ++I) { ActualPathComponents.push_back(*I); } ASSERT_EQ(ExpectedPathComponents.size(), ActualPathComponents.size()); for (size_t i = 0; i Path(StringRef("/.c/.d/../.")); typedef SmallVector PathComponents; PathComponents ExpectedPathComponents; PathComponents ActualPathComponents; StringRef(Path).split(ExpectedPathComponents, '/'); // The root path will also be a component when iterating ExpectedPathComponents[0] = "/"; for (path::const_iterator I = path::begin(Path), E = path::end(Path); I != E; ++I) { ActualPathComponents.push_back(*I); } ASSERT_EQ(ExpectedPathComponents.size(), ActualPathComponents.size()); for (size_t i = 0; i Path(StringRef("c:\\c\\e\\foo.txt")); typedef SmallVector PathComponents; PathComponents ExpectedPathComponents; PathComponents ActualPathComponents; StringRef(Path).split(ExpectedPathComponents, "\\"); // The root path (which comes after the drive name) will also be a component // when iterating. ExpectedPathComponents.insert(ExpectedPathComponents.begin()+1, "\\"); for (path::const_iterator I = path::begin(Path, path::Style::windows), E = path::end(Path); I != E; ++I) { ActualPathComponents.push_back(*I); } ASSERT_EQ(ExpectedPathComponents.size(), ActualPathComponents.size()); for (size_t i = 0; i , 4> Paths; Paths.emplace_back("/foo/", path::Style::native); Paths.emplace_back("/foo//", path::Style::native); Paths.emplace_back("//net//", path::Style::native); Paths.emplace_back("c:\\\\", path::Style::windows); for (auto &Path : Paths) { StringRef LastComponent = *path::rbegin(Path.first, Path.second); EXPECT_EQ(".", LastComponent); } SmallVector, 3> RootPaths; RootPaths.emplace_back("/", path::Style::native); RootPaths.emplace_back("//net/", path::Style::native); RootPaths.emplace_back("c:\\", path::Style::windows); for (auto &Path : RootPaths) { StringRef LastComponent = *path::rbegin(Path.first, Path.second); EXPECT_EQ(1u, LastComponent.size()); EXPECT_TRUE(path::is_separator(LastComponent[0], Path.second)); } } TEST(Support, HomeDirectory) { std::string expected; #ifdef LLVM_ON_WIN32 if (wchar_t const *path = ::_wgetenv(L"USERPROFILE")) { auto pathLen = ::wcslen(path); ArrayRef ref{reinterpret_cast(path), pathLen * sizeof(wchar_t)}; convertUTF16ToUTF8String(ref, expected); } #else if (char const *path = ::getenv("HOME")) expected = path; #endif // Do not try to test it if we don't know what to expect. // On Windows we use something better than env vars. if (!expected.empty()) { SmallString<128> HomeDir; auto status = path::home_directory(HomeDir); EXPECT_TRUE(status); EXPECT_EQ(expected, HomeDir); } } TEST(Support, UserCacheDirectory) { SmallString<13> CacheDir; SmallString<20> CacheDir2; auto Status = path::user_cache_directory(CacheDir, ""); EXPECT_TRUE(Status ^ CacheDir.empty()); if (Status) { EXPECT_TRUE(path::user_cache_directory(CacheDir2, "")); // should succeed EXPECT_EQ(CacheDir, CacheDir2); // and return same paths EXPECT_TRUE(path::user_cache_directory(CacheDir, "A", "B", "file.c")); auto It = path::rbegin(CacheDir); EXPECT_EQ("file.c", *It); EXPECT_EQ("B", *++It); EXPECT_EQ("A", *++It); auto ParentDir = *++It; // Test Unicode: "/(pi)r^2/aleth.0" EXPECT_TRUE(path::user_cache_directory(CacheDir2, "\xCF\x80r\xC2\xB2", "\xE2\x84\xB5.0")); auto It2 = path::rbegin(CacheDir2); EXPECT_EQ("\xE2\x84\xB5.0", *It2); EXPECT_EQ("\xCF\x80r\xC2\xB2", *++It2); auto ParentDir2 = *++It2; EXPECT_EQ(ParentDir, ParentDir2); } } TEST(Support, TempDirectory) { SmallString<32> TempDir; path::system_temp_directory(false, TempDir); EXPECT_TRUE(!TempDir.empty()); TempDir.clear(); path::system_temp_directory(true, TempDir); EXPECT_TRUE(!TempDir.empty()); } #ifdef LLVM_ON_WIN32 static std::string path2regex(std::string Path) { size_t Pos = 0; while ((Pos = Path.find('\\', Pos)) != std::string::npos) { Path.replace(Pos, 1, "\\\\"); Pos += 2; } return Path; } /// Helper for running temp dir test in separated process. See below. #define EXPECT_TEMP_DIR(prepare, expected) \ EXPECT_EXIT( \ { \ prepare; \ SmallString<300> TempDir; \ path::system_temp_directory(true, TempDir); \ raw_os_ostream(std::cerr) << TempDir; \ std::exit(0); \ }, \ ::testing::ExitedWithCode(0), path2regex(expected)) TEST(SupportDeathTest, TempDirectoryOnWindows) { // In this test we want to check how system_temp_directory responds to // different values of specific env vars. To prevent corrupting env vars of // the current process all checks are done in separated processes. EXPECT_TEMP_DIR(_wputenv_s(L"TMP", L"C:\\OtherFolder"), "C:\\OtherFolder"); EXPECT_TEMP_DIR(_wputenv_s(L"TMP", L"C:/Unix/Path/Seperators"), "C:\\Unix\\Path\\Seperators"); EXPECT_TEMP_DIR(_wputenv_s(L"TMP", L"Local Path"), ".+\\Local Path$"); EXPECT_TEMP_DIR(_wputenv_s(L"TMP", L"F:\\TrailingSep\\"), "F:\\TrailingSep"); EXPECT_TEMP_DIR( _wputenv_s(L"TMP", L"C:\\2\x03C0r-\x00B5\x00B3\\\x2135\x2080"), "C:\\2\xCF\x80r-\xC2\xB5\xC2\xB3\\\xE2\x84\xB5\xE2\x82\x80"); // Test $TMP empty, $TEMP set. EXPECT_TEMP_DIR( { _wputenv_s(L"TMP", L""); _wputenv_s(L"TEMP", L"C:\\Valid\\Path"); }, "C:\\Valid\\Path"); // All related env vars empty EXPECT_TEMP_DIR( { _wputenv_s(L"TMP", L""); _wputenv_s(L"TEMP", L""); _wputenv_s(L"USERPROFILE", L""); }, "C:\\Temp"); // Test evn var / path with 260 chars. SmallString<270> Expected{"C:\\Temp\\AB\\123456789"}; while (Expected.size() < 260) Expected.append("\\DirNameWith19Charss"); ASSERT_EQ(260U, Expected.size()); EXPECT_TEMP_DIR(_putenv_s("TMP", Expected.c_str()), Expected.c_str()); } #endif class FileSystemTest : public testing::Test { protected: /// Unique temporary directory in which all created filesystem entities must /// be placed. It is removed at the end of each test (must be empty). SmallString<128> TestDirectory; void SetUp() override { ASSERT_NO_ERROR( fs::createUniqueDirectory("file-system-test", TestDirectory)); // We don't care about this specific file. errs() << "Test Directory: " << TestDirectory << '\n'; errs().flush(); } void TearDown() override { ASSERT_NO_ERROR(fs::remove(TestDirectory.str())); } }; TEST_F(FileSystemTest, Unique) { // Create a temp file. int FileDescriptor; SmallString<64> TempPath; ASSERT_NO_ERROR( fs::createTemporaryFile("prefix", "temp", FileDescriptor, TempPath)); // The same file should return an identical unique id. fs::UniqueID F1, F2; ASSERT_NO_ERROR(fs::getUniqueID(Twine(TempPath), F1)); ASSERT_NO_ERROR(fs::getUniqueID(Twine(TempPath), F2)); ASSERT_EQ(F1, F2); // Different files should return different unique ids. int FileDescriptor2; SmallString<64> TempPath2; ASSERT_NO_ERROR( fs::createTemporaryFile("prefix", "temp", FileDescriptor2, TempPath2)); fs::UniqueID D; ASSERT_NO_ERROR(fs::getUniqueID(Twine(TempPath2), D)); ASSERT_NE(D, F1); ::close(FileDescriptor2); ASSERT_NO_ERROR(fs::remove(Twine(TempPath2))); // Two paths representing the same file on disk should still provide the // same unique id. We can test this by making a hard link. ASSERT_NO_ERROR(fs::create_link(Twine(TempPath), Twine(TempPath2))); fs::UniqueID D2; ASSERT_NO_ERROR(fs::getUniqueID(Twine(TempPath2), D2)); ASSERT_EQ(D2, F1); ::close(FileDescriptor); SmallString<128> Dir1; ASSERT_NO_ERROR( fs::createUniqueDirectory("dir1", Dir1)); ASSERT_NO_ERROR(fs::getUniqueID(Dir1.c_str(), F1)); ASSERT_NO_ERROR(fs::getUniqueID(Dir1.c_str(), F2)); ASSERT_EQ(F1, F2); SmallString<128> Dir2; ASSERT_NO_ERROR( fs::createUniqueDirectory("dir2", Dir2)); ASSERT_NO_ERROR(fs::getUniqueID(Dir2.c_str(), F2)); ASSERT_NE(F1, F2); ASSERT_NO_ERROR(fs::remove(Dir1)); ASSERT_NO_ERROR(fs::remove(Dir2)); ASSERT_NO_ERROR(fs::remove(TempPath2)); ASSERT_NO_ERROR(fs::remove(TempPath)); } TEST_F(FileSystemTest, RealPath) { ASSERT_NO_ERROR( fs::create_directories(Twine(TestDirectory) + "/test1/test2/test3")); ASSERT_TRUE(fs::exists(Twine(TestDirectory) + "/test1/test2/test3")); SmallString<64> RealBase; SmallString<64> Expected; SmallString<64> Actual; // TestDirectory itself might be under a symlink or have been specified with // a different case than the existing temp directory. In such cases real_path // on the concatenated path will differ in the TestDirectory portion from // how we specified it. Make sure to compare against the real_path of the // TestDirectory, and not just the value of TestDirectory. ASSERT_NO_ERROR(fs::real_path(TestDirectory, RealBase)); path::native(Twine(RealBase) + "/test1/test2", Expected); ASSERT_NO_ERROR(fs::real_path( Twine(TestDirectory) + "/././test1/../test1/test2/./test3/..", Actual)); EXPECT_EQ(Expected, Actual); SmallString<64> HomeDir; bool Result = llvm::sys::path::home_directory(HomeDir); if (Result) { ASSERT_NO_ERROR(fs::real_path(HomeDir, Expected)); ASSERT_NO_ERROR(fs::real_path("~", Actual, true)); EXPECT_EQ(Expected, Actual); ASSERT_NO_ERROR(fs::real_path("~/", Actual, true)); EXPECT_EQ(Expected, Actual); } ASSERT_NO_ERROR(fs::remove_directories(Twine(TestDirectory) + "/test1")); } TEST_F(FileSystemTest, TempFiles) { // Create a temp file. int FileDescriptor; SmallString<64> TempPath; ASSERT_NO_ERROR( fs::createTemporaryFile("prefix", "temp", FileDescriptor, TempPath)); // Make sure it exists. ASSERT_TRUE(sys::fs::exists(Twine(TempPath))); // Create another temp tile. int FD2; SmallString<64> TempPath2; ASSERT_NO_ERROR(fs::createTemporaryFile("prefix", "temp", FD2, TempPath2)); ASSERT_TRUE(TempPath2.endswith(".temp")); ASSERT_NE(TempPath.str(), TempPath2.str()); fs::file_status A, B; ASSERT_NO_ERROR(fs::status(Twine(TempPath), A)); ASSERT_NO_ERROR(fs::status(Twine(TempPath2), B)); EXPECT_FALSE(fs::equivalent(A, B)); ::close(FD2); // Remove Temp2. ASSERT_NO_ERROR(fs::remove(Twine(TempPath2))); ASSERT_NO_ERROR(fs::remove(Twine(TempPath2))); ASSERT_EQ(fs::remove(Twine(TempPath2), false), errc::no_such_file_or_directory); std::error_code EC = fs::status(TempPath2.c_str(), B); EXPECT_EQ(EC, errc::no_such_file_or_directory); EXPECT_EQ(B.type(), fs::file_type::file_not_found); // Make sure Temp2 doesn't exist. ASSERT_EQ(fs::access(Twine(TempPath2), sys::fs::AccessMode::Exist), errc::no_such_file_or_directory); SmallString<64> TempPath3; ASSERT_NO_ERROR(fs::createTemporaryFile("prefix", "", TempPath3)); ASSERT_FALSE(TempPath3.endswith(".")); FileRemover Cleanup3(TempPath3); // Create a hard link to Temp1. ASSERT_NO_ERROR(fs::create_link(Twine(TempPath), Twine(TempPath2))); bool equal; ASSERT_NO_ERROR(fs::equivalent(Twine(TempPath), Twine(TempPath2), equal)); EXPECT_TRUE(equal); ASSERT_NO_ERROR(fs::status(Twine(TempPath), A)); ASSERT_NO_ERROR(fs::status(Twine(TempPath2), B)); EXPECT_TRUE(fs::equivalent(A, B)); // Remove Temp1. ::close(FileDescriptor); ASSERT_NO_ERROR(fs::remove(Twine(TempPath))); // Remove the hard link. ASSERT_NO_ERROR(fs::remove(Twine(TempPath2))); // Make sure Temp1 doesn't exist. ASSERT_EQ(fs::access(Twine(TempPath), sys::fs::AccessMode::Exist), errc::no_such_file_or_directory); #ifdef LLVM_ON_WIN32 // Path name > 260 chars should get an error. const char *Path270 = "abcdefghijklmnopqrstuvwxyz9abcdefghijklmnopqrstuvwxyz8" "abcdefghijklmnopqrstuvwxyz7abcdefghijklmnopqrstuvwxyz6" "abcdefghijklmnopqrstuvwxyz5abcdefghijklmnopqrstuvwxyz4" "abcdefghijklmnopqrstuvwxyz3abcdefghijklmnopqrstuvwxyz2" "abcdefghijklmnopqrstuvwxyz1abcdefghijklmnopqrstuvwxyz0"; EXPECT_EQ(fs::createUniqueFile(Path270, FileDescriptor, TempPath), errc::invalid_argument); // Relative path < 247 chars, no problem. const char *Path216 = "abcdefghijklmnopqrstuvwxyz7abcdefghijklmnopqrstuvwxyz6" "abcdefghijklmnopqrstuvwxyz5abcdefghijklmnopqrstuvwxyz4" "abcdefghijklmnopqrstuvwxyz3abcdefghijklmnopqrstuvwxyz2" "abcdefghijklmnopqrstuvwxyz1abcdefghijklmnopqrstuvwxyz0"; ASSERT_NO_ERROR(fs::createTemporaryFile(Path216, "", TempPath)); ASSERT_NO_ERROR(fs::remove(Twine(TempPath))); #endif } TEST_F(FileSystemTest, CreateDir) { ASSERT_NO_ERROR(fs::create_directory(Twine(TestDirectory) + "foo")); ASSERT_NO_ERROR(fs::create_directory(Twine(TestDirectory) + "foo")); ASSERT_EQ(fs::create_directory(Twine(TestDirectory) + "foo", false), errc::file_exists); ASSERT_NO_ERROR(fs::remove(Twine(TestDirectory) + "foo")); #ifdef LLVM_ON_UNIX // Set a 0000 umask so that we can test our directory permissions. mode_t OldUmask = ::umask(0000); fs::file_status Status; ASSERT_NO_ERROR( fs::create_directory(Twine(TestDirectory) + "baz500", false, fs::perms::owner_read | fs::perms::owner_exe)); ASSERT_NO_ERROR(fs::status(Twine(TestDirectory) + "baz500", Status)); ASSERT_EQ(Status.permissions() & fs::perms::all_all, fs::perms::owner_read | fs::perms::owner_exe); ASSERT_NO_ERROR(fs::create_directory(Twine(TestDirectory) + "baz777", false, fs::perms::all_all)); ASSERT_NO_ERROR(fs::status(Twine(TestDirectory) + "baz777", Status)); ASSERT_EQ(Status.permissions() & fs::perms::all_all, fs::perms::all_all); // Restore umask to be safe. ::umask(OldUmask); #endif #ifdef LLVM_ON_WIN32 // Prove that create_directories() can handle a pathname > 248 characters, // which is the documented limit for CreateDirectory(). // (248 is MAX_PATH subtracting room for an 8.3 filename.) // Generate a directory path guaranteed to fall into that range. size_t TmpLen = TestDirectory.size(); const char *OneDir = "\\123456789"; size_t OneDirLen = strlen(OneDir); ASSERT_LT(OneDirLen, 12U); size_t NLevels = ((248 - TmpLen) / OneDirLen) + 1; SmallString<260> LongDir(TestDirectory); for (size_t I = 0; I < NLevels; ++I) LongDir.append(OneDir); ASSERT_NO_ERROR(fs::create_directories(Twine(LongDir))); ASSERT_NO_ERROR(fs::create_directories(Twine(LongDir))); ASSERT_EQ(fs::create_directories(Twine(LongDir), false), errc::file_exists); // Tidy up, "recursively" removing the directories. StringRef ThisDir(LongDir); for (size_t J = 0; J < NLevels; ++J) { ASSERT_NO_ERROR(fs::remove(ThisDir)); ThisDir = path::parent_path(ThisDir); } // Similarly for a relative pathname. Need to set the current directory to // TestDirectory so that the one we create ends up in the right place. char PreviousDir[260]; size_t PreviousDirLen = ::GetCurrentDirectoryA(260, PreviousDir); ASSERT_GT(PreviousDirLen, 0U); ASSERT_LT(PreviousDirLen, 260U); ASSERT_NE(::SetCurrentDirectoryA(TestDirectory.c_str()), 0); LongDir.clear(); // Generate a relative directory name with absolute length > 248. size_t LongDirLen = 249 - TestDirectory.size(); LongDir.assign(LongDirLen, 'a'); ASSERT_NO_ERROR(fs::create_directory(Twine(LongDir))); // While we're here, prove that .. and . handling works in these long paths. const char *DotDotDirs = "\\..\\.\\b"; LongDir.append(DotDotDirs); ASSERT_NO_ERROR(fs::create_directory("b")); ASSERT_EQ(fs::create_directory(Twine(LongDir), false), errc::file_exists); // And clean up. ASSERT_NO_ERROR(fs::remove("b")); ASSERT_NO_ERROR(fs::remove( Twine(LongDir.substr(0, LongDir.size() - strlen(DotDotDirs))))); ASSERT_NE(::SetCurrentDirectoryA(PreviousDir), 0); #endif } TEST_F(FileSystemTest, DirectoryIteration) { std::error_code ec; for (fs::directory_iterator i(".", ec), e; i != e; i.increment(ec)) ASSERT_NO_ERROR(ec); // Create a known hierarchy to recurse over. ASSERT_NO_ERROR( fs::create_directories(Twine(TestDirectory) + "/recursive/a0/aa1")); ASSERT_NO_ERROR( fs::create_directories(Twine(TestDirectory) + "/recursive/a0/ab1")); ASSERT_NO_ERROR(fs::create_directories(Twine(TestDirectory) + "/recursive/dontlookhere/da1")); ASSERT_NO_ERROR( fs::create_directories(Twine(TestDirectory) + "/recursive/z0/za1")); ASSERT_NO_ERROR( fs::create_directories(Twine(TestDirectory) + "/recursive/pop/p1")); typedef std::vector v_t; v_t visited; for (fs::recursive_directory_iterator i(Twine(TestDirectory) + "/recursive", ec), e; i != e; i.increment(ec)){ ASSERT_NO_ERROR(ec); if (path::filename(i->path()) == "p1") { i.pop(); // FIXME: recursive_directory_iterator should be more robust. if (i == e) break; } if (path::filename(i->path()) == "dontlookhere") i.no_push(); visited.push_back(path::filename(i->path())); } v_t::const_iterator a0 = find(visited, "a0"); v_t::const_iterator aa1 = find(visited, "aa1"); v_t::const_iterator ab1 = find(visited, "ab1"); v_t::const_iterator dontlookhere = find(visited, "dontlookhere"); v_t::const_iterator da1 = find(visited, "da1"); v_t::const_iterator z0 = find(visited, "z0"); v_t::const_iterator za1 = find(visited, "za1"); v_t::const_iterator pop = find(visited, "pop"); v_t::const_iterator p1 = find(visited, "p1"); // Make sure that each path was visited correctly. ASSERT_NE(a0, visited.end()); ASSERT_NE(aa1, visited.end()); ASSERT_NE(ab1, visited.end()); ASSERT_NE(dontlookhere, visited.end()); ASSERT_EQ(da1, visited.end()); // Not visited. ASSERT_NE(z0, visited.end()); ASSERT_NE(za1, visited.end()); ASSERT_NE(pop, visited.end()); ASSERT_EQ(p1, visited.end()); // Not visited. // Make sure that parents were visited before children. No other ordering // guarantees can be made across siblings. ASSERT_LT(a0, aa1); ASSERT_LT(a0, ab1); ASSERT_LT(z0, za1); ASSERT_NO_ERROR(fs::remove(Twine(TestDirectory) + "/recursive/a0/aa1")); ASSERT_NO_ERROR(fs::remove(Twine(TestDirectory) + "/recursive/a0/ab1")); ASSERT_NO_ERROR(fs::remove(Twine(TestDirectory) + "/recursive/a0")); ASSERT_NO_ERROR( fs::remove(Twine(TestDirectory) + "/recursive/dontlookhere/da1")); ASSERT_NO_ERROR(fs::remove(Twine(TestDirectory) + "/recursive/dontlookhere")); ASSERT_NO_ERROR(fs::remove(Twine(TestDirectory) + "/recursive/pop/p1")); ASSERT_NO_ERROR(fs::remove(Twine(TestDirectory) + "/recursive/pop")); ASSERT_NO_ERROR(fs::remove(Twine(TestDirectory) + "/recursive/z0/za1")); ASSERT_NO_ERROR(fs::remove(Twine(TestDirectory) + "/recursive/z0")); ASSERT_NO_ERROR(fs::remove(Twine(TestDirectory) + "/recursive")); // Test recursive_directory_iterator level() ASSERT_NO_ERROR( fs::create_directories(Twine(TestDirectory) + "/reclevel/a/b/c")); fs::recursive_directory_iterator I(Twine(TestDirectory) + "/reclevel", ec), E; for (int l = 0; I != E; I.increment(ec), ++l) { ASSERT_NO_ERROR(ec); EXPECT_EQ(I.level(), l); } EXPECT_EQ(I, E); ASSERT_NO_ERROR(fs::remove(Twine(TestDirectory) + "/reclevel/a/b/c")); ASSERT_NO_ERROR(fs::remove(Twine(TestDirectory) + "/reclevel/a/b")); ASSERT_NO_ERROR(fs::remove(Twine(TestDirectory) + "/reclevel/a")); ASSERT_NO_ERROR(fs::remove(Twine(TestDirectory) + "/reclevel")); } #ifdef LLVM_ON_UNIX TEST_F(FileSystemTest, BrokenSymlinkDirectoryIteration) { // Create a known hierarchy to recurse over. ASSERT_NO_ERROR(fs::create_directories(Twine(TestDirectory) + "/symlink")); ASSERT_NO_ERROR( fs::create_link("no_such_file", Twine(TestDirectory) + "/symlink/a")); ASSERT_NO_ERROR( fs::create_directories(Twine(TestDirectory) + "/symlink/b/bb")); ASSERT_NO_ERROR( fs::create_link("no_such_file", Twine(TestDirectory) + "/symlink/b/ba")); ASSERT_NO_ERROR( fs::create_link("no_such_file", Twine(TestDirectory) + "/symlink/b/bc")); ASSERT_NO_ERROR( fs::create_link("no_such_file", Twine(TestDirectory) + "/symlink/c")); ASSERT_NO_ERROR( fs::create_directories(Twine(TestDirectory) + "/symlink/d/dd/ddd")); ASSERT_NO_ERROR(fs::create_link(Twine(TestDirectory) + "/symlink/d/dd", Twine(TestDirectory) + "/symlink/d/da")); ASSERT_NO_ERROR( fs::create_link("no_such_file", Twine(TestDirectory) + "/symlink/e")); typedef std::vector v_t; v_t visited; // The directory iterator doesn't stat the file, so we should be able to // iterate over the whole directory. std::error_code ec; for (fs::directory_iterator i(Twine(TestDirectory) + "/symlink", ec), e; i != e; i.increment(ec)) { ASSERT_NO_ERROR(ec); visited.push_back(path::filename(i->path())); } std::sort(visited.begin(), visited.end()); v_t expected = {"a", "b", "c", "d", "e"}; ASSERT_TRUE(visited.size() == expected.size()); ASSERT_TRUE(std::equal(visited.begin(), visited.end(), expected.begin())); visited.clear(); // The recursive directory iterator has to stat the file, so we need to skip // the broken symlinks. for (fs::recursive_directory_iterator i(Twine(TestDirectory) + "/symlink", ec), e; i != e; i.increment(ec)) { ASSERT_NO_ERROR(ec); fs::file_status status; if (i->status(status) == std::make_error_code(std::errc::no_such_file_or_directory)) { i.no_push(); continue; } visited.push_back(path::filename(i->path())); } std::sort(visited.begin(), visited.end()); expected = {"b", "bb", "d", "da", "dd", "ddd", "ddd"}; ASSERT_TRUE(visited.size() == expected.size()); ASSERT_TRUE(std::equal(visited.begin(), visited.end(), expected.begin())); visited.clear(); // This recursive directory iterator doesn't follow symlinks, so we don't need // to skip them. for (fs::recursive_directory_iterator i(Twine(TestDirectory) + "/symlink", ec, /*follow_symlinks=*/false), e; i != e; i.increment(ec)) { ASSERT_NO_ERROR(ec); visited.push_back(path::filename(i->path())); } std::sort(visited.begin(), visited.end()); expected = {"a", "b", "ba", "bb", "bc", "c", "d", "da", "dd", "ddd", "e"}; ASSERT_TRUE(visited.size() == expected.size()); ASSERT_TRUE(std::equal(visited.begin(), visited.end(), expected.begin())); ASSERT_NO_ERROR(fs::remove_directories(Twine(TestDirectory) + "/symlink")); } #endif TEST_F(FileSystemTest, Remove) { SmallString<64> BaseDir; SmallString<64> Paths[4]; int fds[4]; ASSERT_NO_ERROR(fs::createUniqueDirectory("fs_remove", BaseDir)); ASSERT_NO_ERROR(fs::create_directories(Twine(BaseDir) + "/foo/bar/baz")); ASSERT_NO_ERROR(fs::create_directories(Twine(BaseDir) + "/foo/bar/buzz")); ASSERT_NO_ERROR(fs::createUniqueFile( Twine(BaseDir) + "/foo/bar/baz/%%%%%%.tmp", fds[0], Paths[0])); ASSERT_NO_ERROR(fs::createUniqueFile( Twine(BaseDir) + "/foo/bar/baz/%%%%%%.tmp", fds[1], Paths[1])); ASSERT_NO_ERROR(fs::createUniqueFile( Twine(BaseDir) + "/foo/bar/buzz/%%%%%%.tmp", fds[2], Paths[2])); ASSERT_NO_ERROR(fs::createUniqueFile( Twine(BaseDir) + "/foo/bar/buzz/%%%%%%.tmp", fds[3], Paths[3])); for (int fd : fds) ::close(fd); EXPECT_TRUE(fs::exists(Twine(BaseDir) + "/foo/bar/baz")); EXPECT_TRUE(fs::exists(Twine(BaseDir) + "/foo/bar/buzz")); EXPECT_TRUE(fs::exists(Paths[0])); EXPECT_TRUE(fs::exists(Paths[1])); EXPECT_TRUE(fs::exists(Paths[2])); EXPECT_TRUE(fs::exists(Paths[3])); ASSERT_NO_ERROR(fs::remove_directories("D:/footest")); ASSERT_NO_ERROR(fs::remove_directories(BaseDir)); ASSERT_FALSE(fs::exists(BaseDir)); } const char archive[] = "!\x0A"; const char bitcode[] = "\xde\xc0\x17\x0b"; const char coff_object[] = "\x00\x00......"; const char coff_bigobj[] = "\x00\x00\xff\xff\x00\x02......" "\xc7\xa1\xba\xd1\xee\xba\xa9\x4b\xaf\x20\xfa\xf6\x6a\xa4\xdc\xb8"; const char coff_import_library[] = "\x00\x00\xff\xff...."; const char elf_relocatable[] = { 0x7f, 'E', 'L', 'F', 1, 2, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1 }; const char macho_universal_binary[] = "\xca\xfe\xba\xbe...\x00"; const char macho_object[] = "\xfe\xed\xfa\xce........\x00\x00\x00\x01............"; const char macho_executable[] = "\xfe\xed\xfa\xce........\x00\x00\x00\x02............"; const char macho_fixed_virtual_memory_shared_lib[] = "\xfe\xed\xfa\xce........\x00\x00\x00\x03............"; const char macho_core[] = "\xfe\xed\xfa\xce........\x00\x00\x00\x04............"; const char macho_preload_executable[] = "\xfe\xed\xfa\xce........\x00\x00\x00\x05............"; const char macho_dynamically_linked_shared_lib[] = "\xfe\xed\xfa\xce........\x00\x00\x00\x06............"; const char macho_dynamic_linker[] = "\xfe\xed\xfa\xce........\x00\x00\x00\x07............"; const char macho_bundle[] = "\xfe\xed\xfa\xce........\x00\x00\x00\x08............"; const char macho_dsym_companion[] = "\xfe\xed\xfa\xce........\x00\x00\x00\x0a............"; const char macho_kext_bundle[] = "\xfe\xed\xfa\xce........\x00\x00\x00\x0b............"; const char windows_resource[] = "\x00\x00\x00\x00\x020\x00\x00\x00\xff"; const char macho_dynamically_linked_shared_lib_stub[] = "\xfe\xed\xfa\xce........\x00\x00\x00\x09............"; TEST_F(FileSystemTest, Magic) { struct type { const char *filename; const char *magic_str; size_t magic_str_len; fs::file_magic magic; } types[] = { #define DEFINE(magic) \ { #magic, magic, sizeof(magic), fs::file_magic::magic } DEFINE(archive), DEFINE(bitcode), DEFINE(coff_object), { "coff_bigobj", coff_bigobj, sizeof(coff_bigobj), fs::file_magic::coff_object }, DEFINE(coff_import_library), DEFINE(elf_relocatable), DEFINE(macho_universal_binary), DEFINE(macho_object), DEFINE(macho_executable), DEFINE(macho_fixed_virtual_memory_shared_lib), DEFINE(macho_core), DEFINE(macho_preload_executable), DEFINE(macho_dynamically_linked_shared_lib), DEFINE(macho_dynamic_linker), DEFINE(macho_bundle), DEFINE(macho_dynamically_linked_shared_lib_stub), DEFINE(macho_dsym_companion), DEFINE(macho_kext_bundle), DEFINE(windows_resource) #undef DEFINE }; // Create some files filled with magic. for (type *i = types, *e = types + (sizeof(types) / sizeof(type)); i != e; ++i) { SmallString<128> file_pathname(TestDirectory); path::append(file_pathname, i->filename); std::error_code EC; raw_fd_ostream file(file_pathname, EC, sys::fs::F_None); ASSERT_FALSE(file.has_error()); StringRef magic(i->magic_str, i->magic_str_len); file << magic; file.close(); EXPECT_EQ(i->magic, fs::identify_magic(magic)); ASSERT_NO_ERROR(fs::remove(Twine(file_pathname))); } } #ifdef LLVM_ON_WIN32 TEST_F(FileSystemTest, CarriageReturn) { SmallString<128> FilePathname(TestDirectory); std::error_code EC; path::append(FilePathname, "test"); { raw_fd_ostream File(FilePathname, EC, sys::fs::F_Text); ASSERT_NO_ERROR(EC); File << '\n'; } { auto Buf = MemoryBuffer::getFile(FilePathname.str()); EXPECT_TRUE((bool)Buf); EXPECT_EQ(Buf.get()->getBuffer(), "\r\n"); } { raw_fd_ostream File(FilePathname, EC, sys::fs::F_None); ASSERT_NO_ERROR(EC); File << '\n'; } { auto Buf = MemoryBuffer::getFile(FilePathname.str()); EXPECT_TRUE((bool)Buf); EXPECT_EQ(Buf.get()->getBuffer(), "\n"); } ASSERT_NO_ERROR(fs::remove(Twine(FilePathname))); } #endif TEST_F(FileSystemTest, Resize) { int FD; SmallString<64> TempPath; ASSERT_NO_ERROR(fs::createTemporaryFile("prefix", "temp", FD, TempPath)); ASSERT_NO_ERROR(fs::resize_file(FD, 123)); fs::file_status Status; ASSERT_NO_ERROR(fs::status(FD, Status)); ASSERT_EQ(Status.getSize(), 123U); ::close(FD); ASSERT_NO_ERROR(fs::remove(TempPath)); } TEST_F(FileSystemTest, FileMapping) { // Create a temp file. int FileDescriptor; SmallString<64> TempPath; ASSERT_NO_ERROR( fs::createTemporaryFile("prefix", "temp", FileDescriptor, TempPath)); unsigned Size = 4096; ASSERT_NO_ERROR(fs::resize_file(FileDescriptor, Size)); // Map in temp file and add some content std::error_code EC; StringRef Val("hello there"); { fs::mapped_file_region mfr(FileDescriptor, fs::mapped_file_region::readwrite, Size, 0, EC); ASSERT_NO_ERROR(EC); std::copy(Val.begin(), Val.end(), mfr.data()); // Explicitly add a 0. mfr.data()[Val.size()] = 0; // Unmap temp file } ASSERT_EQ(close(FileDescriptor), 0); // Map it back in read-only { int FD; EC = fs::openFileForRead(Twine(TempPath), FD); ASSERT_NO_ERROR(EC); fs::mapped_file_region mfr(FD, fs::mapped_file_region::readonly, Size, 0, EC); ASSERT_NO_ERROR(EC); // Verify content EXPECT_EQ(StringRef(mfr.const_data()), Val); // Unmap temp file fs::mapped_file_region m(FD, fs::mapped_file_region::readonly, Size, 0, EC); ASSERT_NO_ERROR(EC); ASSERT_EQ(close(FD), 0); } ASSERT_NO_ERROR(fs::remove(TempPath)); } TEST(Support, NormalizePath) { using TestTuple = std::tuple; std::vector Tests; Tests.emplace_back("a", "a", "a"); Tests.emplace_back("a/b", "a\\b", "a/b"); Tests.emplace_back("a\\b", "a\\b", "a/b"); Tests.emplace_back("a\\\\b", "a\\\\b", "a\\\\b"); Tests.emplace_back("\\a", "\\a", "/a"); Tests.emplace_back("a\\", "a\\", "a/"); for (auto &T : Tests) { SmallString<64> Win(std::get<0>(T)); SmallString<64> Posix(Win); path::native(Win, path::Style::windows); path::native(Posix, path::Style::posix); EXPECT_EQ(std::get<1>(T), Win); EXPECT_EQ(std::get<2>(T), Posix); } #if defined(LLVM_ON_WIN32) SmallString<64> PathHome; path::home_directory(PathHome); const char *Path7a = "~/aaa"; SmallString<64> Path7(Path7a); path::native(Path7); EXPECT_TRUE(Path7.endswith("\\aaa")); EXPECT_TRUE(Path7.startswith(PathHome)); EXPECT_EQ(Path7.size(), PathHome.size() + strlen(Path7a + 1)); const char *Path8a = "~"; SmallString<64> Path8(Path8a); path::native(Path8); EXPECT_EQ(Path8, PathHome); const char *Path9a = "~aaa"; SmallString<64> Path9(Path9a); path::native(Path9); EXPECT_EQ(Path9, "~aaa"); const char *Path10a = "aaa/~/b"; SmallString<64> Path10(Path10a); path::native(Path10); EXPECT_EQ(Path10, "aaa\\~\\b"); #endif } TEST(Support, RemoveLeadingDotSlash) { StringRef Path1("././/foolz/wat"); StringRef Path2("./////"); Path1 = path::remove_leading_dotslash(Path1); EXPECT_EQ(Path1, "foolz/wat"); Path2 = path::remove_leading_dotslash(Path2); EXPECT_EQ(Path2, ""); } static std::string remove_dots(StringRef path, bool remove_dot_dot, path::Style style) { SmallString<256> buffer(path); path::remove_dots(buffer, remove_dot_dot, style); return buffer.str(); } TEST(Support, RemoveDots) { EXPECT_EQ("foolz\\wat", remove_dots(".\\.\\\\foolz\\wat", false, path::Style::windows)); EXPECT_EQ("", remove_dots(".\\\\\\\\\\", false, path::Style::windows)); EXPECT_EQ("a\\..\\b\\c", remove_dots(".\\a\\..\\b\\c", false, path::Style::windows)); EXPECT_EQ("b\\c", remove_dots(".\\a\\..\\b\\c", true, path::Style::windows)); EXPECT_EQ("c", remove_dots(".\\.\\c", true, path::Style::windows)); EXPECT_EQ("..\\a\\c", remove_dots("..\\a\\b\\..\\c", true, path::Style::windows)); EXPECT_EQ("..\\..\\a\\c", remove_dots("..\\..\\a\\b\\..\\c", true, path::Style::windows)); SmallString<64> Path1(".\\.\\c"); EXPECT_TRUE(path::remove_dots(Path1, true, path::Style::windows)); EXPECT_EQ("c", Path1); EXPECT_EQ("foolz/wat", remove_dots("././/foolz/wat", false, path::Style::posix)); EXPECT_EQ("", remove_dots("./////", false, path::Style::posix)); EXPECT_EQ("a/../b/c", remove_dots("./a/../b/c", false, path::Style::posix)); EXPECT_EQ("b/c", remove_dots("./a/../b/c", true, path::Style::posix)); EXPECT_EQ("c", remove_dots("././c", true, path::Style::posix)); EXPECT_EQ("../a/c", remove_dots("../a/b/../c", true, path::Style::posix)); EXPECT_EQ("../../a/c", remove_dots("../../a/b/../c", true, path::Style::posix)); EXPECT_EQ("/a/c", remove_dots("/../../a/c", true, path::Style::posix)); EXPECT_EQ("/a/c", remove_dots("/../a/b//../././/c", true, path::Style::posix)); SmallString<64> Path2("././c"); EXPECT_TRUE(path::remove_dots(Path2, true, path::Style::posix)); EXPECT_EQ("c", Path2); } TEST(Support, ReplacePathPrefix) { SmallString<64> Path1("/foo"); SmallString<64> Path2("/old/foo"); SmallString<64> OldPrefix("/old"); SmallString<64> NewPrefix("/new"); SmallString<64> NewPrefix2("/longernew"); SmallString<64> EmptyPrefix(""); SmallString<64> Path = Path1; path::replace_path_prefix(Path, OldPrefix, NewPrefix); EXPECT_EQ(Path, "/foo"); Path = Path2; path::replace_path_prefix(Path, OldPrefix, NewPrefix); EXPECT_EQ(Path, "/new/foo"); Path = Path2; path::replace_path_prefix(Path, OldPrefix, NewPrefix2); EXPECT_EQ(Path, "/longernew/foo"); Path = Path1; path::replace_path_prefix(Path, EmptyPrefix, NewPrefix); EXPECT_EQ(Path, "/new/foo"); Path = Path2; path::replace_path_prefix(Path, OldPrefix, EmptyPrefix); EXPECT_EQ(Path, "/foo"); } TEST_F(FileSystemTest, PathFromFD) { // Create a temp file. int FileDescriptor; SmallString<64> TempPath; ASSERT_NO_ERROR( fs::createTemporaryFile("prefix", "temp", FileDescriptor, TempPath)); FileRemover Cleanup(TempPath); // Make sure it exists. ASSERT_TRUE(sys::fs::exists(Twine(TempPath))); // Try to get the path from the file descriptor SmallString<64> ResultPath; std::error_code ErrorCode = fs::getPathFromOpenFD(FileDescriptor, ResultPath); // If we succeeded, check that the paths are the same (modulo case): if (!ErrorCode) { // The paths returned by createTemporaryFile and getPathFromOpenFD // should reference the same file on disk. fs::UniqueID D1, D2; ASSERT_NO_ERROR(fs::getUniqueID(Twine(TempPath), D1)); ASSERT_NO_ERROR(fs::getUniqueID(Twine(ResultPath), D2)); ASSERT_EQ(D1, D2); } ::close(FileDescriptor); } TEST_F(FileSystemTest, PathFromFDWin32) { // Create a temp file. int FileDescriptor; SmallString<64> TempPath; ASSERT_NO_ERROR( fs::createTemporaryFile("prefix", "temp", FileDescriptor, TempPath)); FileRemover Cleanup(TempPath); // Make sure it exists. ASSERT_TRUE(sys::fs::exists(Twine(TempPath))); SmallVector ResultPath; std::error_code ErrorCode = fs::getPathFromOpenFD(FileDescriptor, ResultPath); if (!ErrorCode) { // Now that we know how much space is required for the path, create a path // buffer with exactly enough space (sans null terminator, which should not // be present), and call getPathFromOpenFD again to ensure that the API // properly handles exactly-sized buffers. SmallVector ExactSizedPath(ResultPath.size()); ErrorCode = fs::getPathFromOpenFD(FileDescriptor, ExactSizedPath); ResultPath = ExactSizedPath; } if (!ErrorCode) { fs::UniqueID D1, D2; ASSERT_NO_ERROR(fs::getUniqueID(Twine(TempPath), D1)); ASSERT_NO_ERROR(fs::getUniqueID(Twine(ResultPath), D2)); ASSERT_EQ(D1, D2); } ::close(FileDescriptor); } TEST_F(FileSystemTest, PathFromFDUnicode) { // Create a temp file. int FileDescriptor; SmallString<64> TempPath; // Test Unicode: "/(pi)r^2.aleth.0" ASSERT_NO_ERROR( fs::createTemporaryFile("\xCF\x80r\xC2\xB2", "\xE2\x84\xB5.0", FileDescriptor, TempPath)); FileRemover Cleanup(TempPath); // Make sure it exists. ASSERT_TRUE(sys::fs::exists(Twine(TempPath))); SmallVector ResultPath; std::error_code ErrorCode = fs::getPathFromOpenFD(FileDescriptor, ResultPath); if (!ErrorCode) { fs::UniqueID D1, D2; ASSERT_NO_ERROR(fs::getUniqueID(Twine(TempPath), D1)); ASSERT_NO_ERROR(fs::getUniqueID(Twine(ResultPath), D2)); ASSERT_EQ(D1, D2); } ::close(FileDescriptor); } TEST_F(FileSystemTest, OpenFileForRead) { // Create a temp file. int FileDescriptor; SmallString<64> TempPath; ASSERT_NO_ERROR( fs::createTemporaryFile("prefix", "temp", FileDescriptor, TempPath)); FileRemover Cleanup(TempPath); // Make sure it exists. ASSERT_TRUE(sys::fs::exists(Twine(TempPath))); // Open the file for read int FileDescriptor2; SmallString<64> ResultPath; ASSERT_NO_ERROR( fs::openFileForRead(Twine(TempPath), FileDescriptor2, &ResultPath)) // If we succeeded, check that the paths are the same (modulo case): if (!ResultPath.empty()) { // The paths returned by createTemporaryFile and getPathFromOpenFD // should reference the same file on disk. fs::UniqueID D1, D2; ASSERT_NO_ERROR(fs::getUniqueID(Twine(TempPath), D1)); ASSERT_NO_ERROR(fs::getUniqueID(Twine(ResultPath), D2)); ASSERT_EQ(D1, D2); } ::close(FileDescriptor); } TEST_F(FileSystemTest, set_current_path) { SmallString<128> path; ASSERT_NO_ERROR(fs::current_path(path)); ASSERT_NE(TestDirectory, path); struct RestorePath { SmallString<128> path; RestorePath(const SmallString<128> &path) : path(path) {} ~RestorePath() { fs::set_current_path(path); } } restore_path(path); ASSERT_NO_ERROR(fs::set_current_path(TestDirectory)); ASSERT_NO_ERROR(fs::current_path(path)); fs::UniqueID D1, D2; ASSERT_NO_ERROR(fs::getUniqueID(TestDirectory, D1)); ASSERT_NO_ERROR(fs::getUniqueID(path, D2)); ASSERT_EQ(D1, D2) << "D1: " << TestDirectory << "\nD2: " << path; } TEST_F(FileSystemTest, permissions) { int FD; SmallString<64> TempPath; ASSERT_NO_ERROR(fs::createTemporaryFile("prefix", "temp", FD, TempPath)); FileRemover Cleanup(TempPath); // Make sure it exists. ASSERT_TRUE(fs::exists(Twine(TempPath))); auto CheckPermissions = [&](fs::perms Expected) { ErrorOr Actual = fs::getPermissions(TempPath); return Actual && *Actual == Expected; }; std::error_code NoError; EXPECT_EQ(fs::setPermissions(TempPath, fs::all_all), NoError); EXPECT_TRUE(CheckPermissions(fs::all_all)); EXPECT_EQ(fs::setPermissions(TempPath, fs::all_read | fs::all_exe), NoError); EXPECT_TRUE(CheckPermissions(fs::all_read | fs::all_exe)); #if defined(LLVM_ON_WIN32) fs::perms ReadOnly = fs::all_read | fs::all_exe; EXPECT_EQ(fs::setPermissions(TempPath, fs::no_perms), NoError); EXPECT_TRUE(CheckPermissions(ReadOnly)); EXPECT_EQ(fs::setPermissions(TempPath, fs::owner_read), NoError); EXPECT_TRUE(CheckPermissions(ReadOnly)); EXPECT_EQ(fs::setPermissions(TempPath, fs::owner_write), NoError); EXPECT_TRUE(CheckPermissions(fs::all_all)); EXPECT_EQ(fs::setPermissions(TempPath, fs::owner_exe), NoError); EXPECT_TRUE(CheckPermissions(ReadOnly)); EXPECT_EQ(fs::setPermissions(TempPath, fs::owner_all), NoError); EXPECT_TRUE(CheckPermissions(fs::all_all)); EXPECT_EQ(fs::setPermissions(TempPath, fs::group_read), NoError); EXPECT_TRUE(CheckPermissions(ReadOnly)); EXPECT_EQ(fs::setPermissions(TempPath, fs::group_write), NoError); EXPECT_TRUE(CheckPermissions(fs::all_all)); EXPECT_EQ(fs::setPermissions(TempPath, fs::group_exe), NoError); EXPECT_TRUE(CheckPermissions(ReadOnly)); EXPECT_EQ(fs::setPermissions(TempPath, fs::group_all), NoError); EXPECT_TRUE(CheckPermissions(fs::all_all)); EXPECT_EQ(fs::setPermissions(TempPath, fs::others_read), NoError); EXPECT_TRUE(CheckPermissions(ReadOnly)); EXPECT_EQ(fs::setPermissions(TempPath, fs::others_write), NoError); EXPECT_TRUE(CheckPermissions(fs::all_all)); EXPECT_EQ(fs::setPermissions(TempPath, fs::others_exe), NoError); EXPECT_TRUE(CheckPermissions(ReadOnly)); EXPECT_EQ(fs::setPermissions(TempPath, fs::others_all), NoError); EXPECT_TRUE(CheckPermissions(fs::all_all)); EXPECT_EQ(fs::setPermissions(TempPath, fs::all_read), NoError); EXPECT_TRUE(CheckPermissions(ReadOnly)); EXPECT_EQ(fs::setPermissions(TempPath, fs::all_write), NoError); EXPECT_TRUE(CheckPermissions(fs::all_all)); EXPECT_EQ(fs::setPermissions(TempPath, fs::all_exe), NoError); EXPECT_TRUE(CheckPermissions(ReadOnly)); EXPECT_EQ(fs::setPermissions(TempPath, fs::set_uid_on_exe), NoError); EXPECT_TRUE(CheckPermissions(ReadOnly)); EXPECT_EQ(fs::setPermissions(TempPath, fs::set_gid_on_exe), NoError); EXPECT_TRUE(CheckPermissions(ReadOnly)); EXPECT_EQ(fs::setPermissions(TempPath, fs::sticky_bit), NoError); EXPECT_TRUE(CheckPermissions(ReadOnly)); EXPECT_EQ(fs::setPermissions(TempPath, fs::set_uid_on_exe | fs::set_gid_on_exe | fs::sticky_bit), NoError); EXPECT_TRUE(CheckPermissions(ReadOnly)); EXPECT_EQ(fs::setPermissions(TempPath, ReadOnly | fs::set_uid_on_exe | fs::set_gid_on_exe | fs::sticky_bit), NoError); EXPECT_TRUE(CheckPermissions(ReadOnly)); EXPECT_EQ(fs::setPermissions(TempPath, fs::all_perms), NoError); EXPECT_TRUE(CheckPermissions(fs::all_all)); #else EXPECT_EQ(fs::setPermissions(TempPath, fs::no_perms), NoError); EXPECT_TRUE(CheckPermissions(fs::no_perms)); EXPECT_EQ(fs::setPermissions(TempPath, fs::owner_read), NoError); EXPECT_TRUE(CheckPermissions(fs::owner_read)); EXPECT_EQ(fs::setPermissions(TempPath, fs::owner_write), NoError); EXPECT_TRUE(CheckPermissions(fs::owner_write)); EXPECT_EQ(fs::setPermissions(TempPath, fs::owner_exe), NoError); EXPECT_TRUE(CheckPermissions(fs::owner_exe)); EXPECT_EQ(fs::setPermissions(TempPath, fs::owner_all), NoError); EXPECT_TRUE(CheckPermissions(fs::owner_all)); EXPECT_EQ(fs::setPermissions(TempPath, fs::group_read), NoError); EXPECT_TRUE(CheckPermissions(fs::group_read)); EXPECT_EQ(fs::setPermissions(TempPath, fs::group_write), NoError); EXPECT_TRUE(CheckPermissions(fs::group_write)); EXPECT_EQ(fs::setPermissions(TempPath, fs::group_exe), NoError); EXPECT_TRUE(CheckPermissions(fs::group_exe)); EXPECT_EQ(fs::setPermissions(TempPath, fs::group_all), NoError); EXPECT_TRUE(CheckPermissions(fs::group_all)); EXPECT_EQ(fs::setPermissions(TempPath, fs::others_read), NoError); EXPECT_TRUE(CheckPermissions(fs::others_read)); EXPECT_EQ(fs::setPermissions(TempPath, fs::others_write), NoError); EXPECT_TRUE(CheckPermissions(fs::others_write)); EXPECT_EQ(fs::setPermissions(TempPath, fs::others_exe), NoError); EXPECT_TRUE(CheckPermissions(fs::others_exe)); EXPECT_EQ(fs::setPermissions(TempPath, fs::others_all), NoError); EXPECT_TRUE(CheckPermissions(fs::others_all)); EXPECT_EQ(fs::setPermissions(TempPath, fs::all_read), NoError); EXPECT_TRUE(CheckPermissions(fs::all_read)); EXPECT_EQ(fs::setPermissions(TempPath, fs::all_write), NoError); EXPECT_TRUE(CheckPermissions(fs::all_write)); EXPECT_EQ(fs::setPermissions(TempPath, fs::all_exe), NoError); EXPECT_TRUE(CheckPermissions(fs::all_exe)); EXPECT_EQ(fs::setPermissions(TempPath, fs::set_uid_on_exe), NoError); EXPECT_TRUE(CheckPermissions(fs::set_uid_on_exe)); EXPECT_EQ(fs::setPermissions(TempPath, fs::set_gid_on_exe), NoError); EXPECT_TRUE(CheckPermissions(fs::set_gid_on_exe)); EXPECT_EQ(fs::setPermissions(TempPath, fs::sticky_bit), NoError); EXPECT_TRUE(CheckPermissions(fs::sticky_bit)); EXPECT_EQ(fs::setPermissions(TempPath, fs::set_uid_on_exe | fs::set_gid_on_exe | fs::sticky_bit), NoError); EXPECT_TRUE(CheckPermissions(fs::set_uid_on_exe | fs::set_gid_on_exe | fs::sticky_bit)); EXPECT_EQ(fs::setPermissions(TempPath, fs::all_read | fs::set_uid_on_exe | fs::set_gid_on_exe | fs::sticky_bit), NoError); EXPECT_TRUE(CheckPermissions(fs::all_read | fs::set_uid_on_exe | fs::set_gid_on_exe | fs::sticky_bit)); EXPECT_EQ(fs::setPermissions(TempPath, fs::all_perms), NoError); EXPECT_TRUE(CheckPermissions(fs::all_perms)); #endif } } // anonymous namespace