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Differential D112289 Diff 383456 clang/unittests/Basic/FileManagerTest.cpp

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clang/unittests/Basic/FileManagerTest.cpp

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class FakeStatCache : public FileSystemStatCache { class FakeStatCache : public FileSystemStatCache {
private: private:
// Maps a file/directory path to its desired stat result. Anything // Maps a file/directory path to its desired stat result. Anything
// not in this map is considered to not exist in the file system. // not in this map is considered to not exist in the file system.
llvm::StringMap<llvm::vfs::Status, llvm::BumpPtrAllocator> StatCalls; llvm::StringMap<llvm::vfs::Status, llvm::BumpPtrAllocator> StatCalls;
void InjectFileOrDirectory(const char *Path, ino_t INode, bool IsFile, void InjectFileOrDirectory(const char *Path, ino_t INode, bool IsFile,
const char *StatPath) { const char *StatPath) {
#ifndef _WIN32
SmallString<128> NormalizedPath(Path); SmallString<128> NormalizedPath(Path);
SmallString<128> NormalizedStatPath;
if (is_style_posix(llvm::sys::path::Style::native)) {
llvm::sys::path::native(NormalizedPath); llvm::sys::path::native(NormalizedPath);
Path = NormalizedPath.c_str(); Path = NormalizedPath.c_str();
SmallString<128> NormalizedStatPath;
if (StatPath) { if (StatPath) {
NormalizedStatPath = StatPath; NormalizedStatPath = StatPath;
llvm::sys::path::native(NormalizedStatPath); llvm::sys::path::native(NormalizedStatPath);
StatPath = NormalizedStatPath.c_str(); StatPath = NormalizedStatPath.c_str();
} }
#endif }
if (!StatPath) if (!StatPath)
StatPath = Path; StatPath = Path;
auto fileType = IsFile ? auto fileType = IsFile ?
llvm::sys::fs::file_type::regular_file : llvm::sys::fs::file_type::regular_file :
llvm::sys::fs::file_type::directory_file; llvm::sys::fs::file_type::directory_file;
llvm::vfs::Status Status(StatPath, llvm::sys::fs::UniqueID(1, INode), llvm::vfs::Status Status(StatPath, llvm::sys::fs::UniqueID(1, INode),
Show All 15 Lines void InjectDirectory(const char *Path, ino_t INode) {
InjectFileOrDirectory(Path, INode, /*IsFile=*/false, nullptr); InjectFileOrDirectory(Path, INode, /*IsFile=*/false, nullptr);
} }
// Implement FileSystemStatCache::getStat(). // Implement FileSystemStatCache::getStat().
std::error_code getStat(StringRef Path, llvm::vfs::Status &Status, std::error_code getStat(StringRef Path, llvm::vfs::Status &Status,
bool isFile, bool isFile,
std::unique_ptr<llvm::vfs::File> *F, std::unique_ptr<llvm::vfs::File> *F,
llvm::vfs::FileSystem &FS) override { llvm::vfs::FileSystem &FS) override {
#ifndef _WIN32
SmallString<128> NormalizedPath(Path); SmallString<128> NormalizedPath(Path);
if (is_style_posix(llvm::sys::path::Style::native)) {
llvm::sys::path::native(NormalizedPath); llvm::sys::path::native(NormalizedPath);
Path = NormalizedPath.c_str(); Path = NormalizedPath.c_str();
#endif }
if (StatCalls.count(Path) != 0) { if (StatCalls.count(Path) != 0) {
Status = StatCalls[Path]; Status = StatCalls[Path];
return std::error_code(); return std::error_code();
} }
return std::make_error_code(std::errc::no_such_file_or_directory); return std::make_error_code(std::errc::no_such_file_or_directory);
} }
▲ Show 20 Lines • Show All 341 Lines • ▼ Show 20 LinesTEST_F(FileManagerTest, getVirtualFileWithDifferentName) {
EXPECT_EQ(43U, (*file2)->getUniqueID().getFile()); EXPECT_EQ(43U, (*file2)->getUniqueID().getFile());
// Check that the contents of the UFE are not overwritten by the entry in the // Check that the contents of the UFE are not overwritten by the entry in the
// filesystem: // filesystem:
EXPECT_EQ(123, (*file2)->getSize()); EXPECT_EQ(123, (*file2)->getSize());
} }
#endif // !_WIN32 #endif // !_WIN32
static StringRef getSystemRoot() {
return is_style_windows(llvm::sys::path::Style::native) ? "C:/" : "/";
}
TEST_F(FileManagerTest, makeAbsoluteUsesVFS) { TEST_F(FileManagerTest, makeAbsoluteUsesVFS) {
SmallString<64> CustomWorkingDir; // FIXME: Should this be using a root path / call getSystemRoot()? For now,
#ifdef _WIN32 // avoiding that and leaving the test as-is.
CustomWorkingDir = "C:"; SmallString<64> CustomWorkingDir =
#else is_style_windows(llvm::sys::path::Style::native) ? StringRef("C:")
CustomWorkingDir = "/"; : StringRef("/");
#endif
llvm::sys::path::append(CustomWorkingDir, "some", "weird", "path"); llvm::sys::path::append(CustomWorkingDir, "some", "weird", "path");
auto FS = IntrusiveRefCntPtr<llvm::vfs::InMemoryFileSystem>( auto FS = IntrusiveRefCntPtr<llvm::vfs::InMemoryFileSystem>(
new llvm::vfs::InMemoryFileSystem); new llvm::vfs::InMemoryFileSystem);
// setCurrentworkingdirectory must finish without error. // setCurrentworkingdirectory must finish without error.
ASSERT_TRUE(!FS->setCurrentWorkingDirectory(CustomWorkingDir)); ASSERT_TRUE(!FS->setCurrentWorkingDirectory(CustomWorkingDir));
FileSystemOptions Opts; FileSystemOptions Opts;
FileManager Manager(Opts, FS); FileManager Manager(Opts, FS);
SmallString<64> Path("a/foo.cpp"); SmallString<64> Path("a/foo.cpp");
SmallString<64> ExpectedResult(CustomWorkingDir); SmallString<64> ExpectedResult(CustomWorkingDir);
llvm::sys::path::append(ExpectedResult, Path); llvm::sys::path::append(ExpectedResult, Path);
ASSERT_TRUE(Manager.makeAbsolutePath(Path)); ASSERT_TRUE(Manager.makeAbsolutePath(Path));
EXPECT_EQ(Path, ExpectedResult); EXPECT_EQ(Path, ExpectedResult);
} }
// getVirtualFile should always fill the real path. // getVirtualFile should always fill the real path.
TEST_F(FileManagerTest, getVirtualFileFillsRealPathName) { TEST_F(FileManagerTest, getVirtualFileFillsRealPathName) {
SmallString<64> CustomWorkingDir; SmallString<64> CustomWorkingDir = getSystemRoot();
#ifdef _WIN32
CustomWorkingDir = "C:/";
#else
CustomWorkingDir = "/";
#endif
auto FS = IntrusiveRefCntPtr<llvm::vfs::InMemoryFileSystem>( auto FS = IntrusiveRefCntPtr<llvm::vfs::InMemoryFileSystem>(
new llvm::vfs::InMemoryFileSystem); new llvm::vfs::InMemoryFileSystem);
// setCurrentworkingdirectory must finish without error. // setCurrentworkingdirectory must finish without error.
ASSERT_TRUE(!FS->setCurrentWorkingDirectory(CustomWorkingDir)); ASSERT_TRUE(!FS->setCurrentWorkingDirectory(CustomWorkingDir));
FileSystemOptions Opts; FileSystemOptions Opts;
FileManager Manager(Opts, FS); FileManager Manager(Opts, FS);
Show All 11 LinesTEST_F(FileManagerTest, getVirtualFileFillsRealPathName) {
ASSERT_TRUE(file->isValid()); ASSERT_TRUE(file->isValid());
SmallString<64> ExpectedResult = CustomWorkingDir; SmallString<64> ExpectedResult = CustomWorkingDir;
llvm::sys::path::append(ExpectedResult, "tmp", "test"); llvm::sys::path::append(ExpectedResult, "tmp", "test");
EXPECT_EQ(file->tryGetRealPathName(), ExpectedResult); EXPECT_EQ(file->tryGetRealPathName(), ExpectedResult);
} }
TEST_F(FileManagerTest, getFileDontOpenRealPath) { TEST_F(FileManagerTest, getFileDontOpenRealPath) {
SmallString<64> CustomWorkingDir; SmallString<64> CustomWorkingDir = getSystemRoot();
#ifdef _WIN32
CustomWorkingDir = "C:/";
#else
CustomWorkingDir = "/";
#endif
auto FS = IntrusiveRefCntPtr<llvm::vfs::InMemoryFileSystem>( auto FS = IntrusiveRefCntPtr<llvm::vfs::InMemoryFileSystem>(
new llvm::vfs::InMemoryFileSystem); new llvm::vfs::InMemoryFileSystem);
// setCurrentworkingdirectory must finish without error. // setCurrentworkingdirectory must finish without error.
ASSERT_TRUE(!FS->setCurrentWorkingDirectory(CustomWorkingDir)); ASSERT_TRUE(!FS->setCurrentWorkingDirectory(CustomWorkingDir));
FileSystemOptions Opts; FileSystemOptions Opts;
FileManager Manager(Opts, FS); FileManager Manager(Opts, FS);
▲ Show 20 Lines • Show All 75 Lines • Show Last 20 Lines