public void NoAlternateStreamData()
{
using (var cleaner = new TestFileCleaner())
{
NativeMethods.Backup.GetAlternateStreamInformation(cleaner.CreateTestFile("NoAlternateStreamData")).Should().BeEmpty();
}
}
public void SetDirectoryTest()
{
using (var cleaner = new TestFileCleaner())
{
NativeMethods.DirectoryManagement.SetCurrentDirectory(cleaner.TempFolder);
Directory.GetCurrentDirectory().Should().Be(cleaner.TempFolder);
}
}
public void SetDirectoryToNonExistant()
{
using (var cleaner = new TestFileCleaner())
{
string directoryPath = Path.Combine(cleaner.TempFolder, Path.GetRandomFileName());
Action action = () => NativeMethods.DirectoryManagement.SetCurrentDirectory(directoryPath);
action.ShouldThrow<FileNotFoundException>();
}
}
public void DirectoryNotExistsTests()
{
using (var cleaner = new TestFileCleaner())
{
string directoryPath = Paths.Combine(cleaner.TempFolder, Path.GetRandomFileName());
NativeMethods.FileManagement.FileExists(directoryPath).Should().BeFalse();
NativeMethods.FileManagement.PathExists(directoryPath).Should().BeFalse();
NativeMethods.FileManagement.DirectoryExists(directoryPath).Should().BeFalse();
}
}
public void WriteFileBasic(byte[] data)
{
using (var temp = new TestFileCleaner())
{
using (var fileHandle = FileMethods.CreateFile(temp.GetTestPath(), CreationDisposition.CreateNew, DesiredAccess.GenericReadWrite, 0))
{
FileMethods.WriteFile(fileHandle, data).Should().Be((uint)data.Length);
FileMethods.GetFilePointer(fileHandle).Should().Be(data.Length);
}
}
}
public void CreateLongPathNestedDirectoryTest()
{
using (var cleaner = new TestFileCleaner(useDotNet: false))
{
string longPath = PathGenerator.CreatePathOfLength(cleaner.TempFolder, 300);
cleaner.FileService.CreateDirectory(longPath);
cleaner.FileService.FileExists(longPath).Should().BeFalse();
cleaner.FileService.DirectoryExists(longPath).Should().BeTrue();
}
}
public void CreateDirectoryTest()
{
using (var cleaner = new TestFileCleaner(useDotNet: false))
{
string directoryPath = Paths.Combine(cleaner.TempFolder, Path.GetRandomFileName());
cleaner.FileService.CreateDirectory(directoryPath);
File.Exists(directoryPath).Should().BeFalse();
Directory.Exists(directoryPath).Should().BeTrue();
}
}
public void FileExistsTests()
{
using (var cleaner = new TestFileCleaner())
{
string filePath = Paths.Combine(cleaner.TempFolder, Path.GetRandomFileName());
File.WriteAllText(filePath, "FileExists");
NativeMethods.FileManagement.FileExists(filePath).Should().BeTrue();
NativeMethods.FileManagement.PathExists(filePath).Should().BeTrue();
NativeMethods.FileManagement.DirectoryExists(filePath).Should().BeFalse();
}
}
public void OpenFile_LongPath()
{
// The OpenFile api only supports 128 character paths.
using (var cleaner = new TestFileCleaner())
{
string path = PathGenerator.CreatePathOfLength(cleaner.TempFolder, 160);
FileHelper.WriteAllBytes(path, CompressedFile1);
Action action = () => CompressionMethods.LzOpenFile(path);
action.ShouldThrow <LzException>().And.Error.Should().Be(LzError.BadInHandle);
}
}
public void GetDirectoryTest()
{
using (var cleaner = new TestFileCleaner())
{
lock (TestFileCleaner.DirectorySetLock)
{
Directory.SetCurrentDirectory(cleaner.TempFolder);
NativeMethods.DirectoryManagement.GetCurrentDirectory().Should().Be(cleaner.TempFolder);
}
}
}
public void OpenFileDirect_WithSpan()
{
using var cleaner = new TestFileCleaner();
string path = @"\??\" + cleaner.CreateTestFile(nameof(OpenFileDirect_WithSpan));
string wrongPath = path + "foo";
using (var file = Storage.CreateFileDirect(wrongPath.AsSpan().Slice(0, path.Length), CreateDisposition.Open))
{
file.IsInvalid.Should().BeFalse();
}
}
public void SetDirectoryTest()
{
using (var cleaner = new TestFileCleaner())
{
lock (TestFileCleaner.DirectorySetLock)
{
NativeMethods.DirectoryManagement.SetCurrentDirectory(cleaner.TempFolder);
Directory.GetCurrentDirectory().Should().Be(cleaner.TempFolder);
}
}
}
public void DirectoryExistsTests()
{
using (var cleaner = new TestFileCleaner())
{
string directoryPath = cleaner.CreateTestDirectory();
NativeMethods.FileManagement.FileExists(directoryPath).Should().BeFalse();
NativeMethods.FileManagement.PathExists(directoryPath).Should().BeTrue();
NativeMethods.FileManagement.DirectoryExists(directoryPath).Should().BeTrue();
}
}
public void CreateDirectoryTest()
{
using (var cleaner = new TestFileCleaner())
{
string directoryPath = Path.Combine(cleaner.TempFolder, Path.GetRandomFileName());
NativeMethods.DirectoryManagement.CreateDirectory(directoryPath);
File.Exists(directoryPath).Should().BeFalse();
Directory.Exists(directoryPath).Should().BeTrue();
}
}
public void CopyFile_NotOverExisting(bool useCreateFile)
{
using (var cleaner = new TestFileCleaner())
{
string source = cleaner.CreateTestFile(CompressedFile2);
string destination = cleaner.CreateTestFile($"CopyFile_NotOverExisting({useCreateFile})");
Action action = () => CompressionMethods.LzCopyFile(source, destination, overwrite: false, useCreateFile: useCreateFile);
action.ShouldThrow <IOException>().And.HResult.Should().Be((int)ErrorMacros.HRESULT_FROM_WIN32(WindowsError.ERROR_FILE_EXISTS));
}
}
public void ReadWriteFileBasic(byte[] data)
{
using var temp = new TestFileCleaner();
using var fileHandle = Storage.CreateFile(temp.GetTestPath(), CreationDisposition.CreateNew, DesiredAccess.GenericReadWrite, 0);
Storage.WriteFile(fileHandle, data).Should().Be((uint)data.Length);
Storage.GetFilePointer(fileHandle).Should().Be(data.Length);
Storage.SetFilePointer(fileHandle, 0, MoveMethod.Begin);
byte[] outBuffer = new byte[data.Length];
Storage.ReadFile(fileHandle, outBuffer).Should().Be((uint)data.Length);
outBuffer.Should().BeEquivalentTo(data);
}
public void CreateDirectoryTest()
{
using (var cleaner = new TestFileCleaner())
{
string directoryPath = Path.Combine(cleaner.TempFolder, Path.GetRandomFileName());
NativeMethods.DirectoryManagement.CreateDirectory(directoryPath);
File.Exists(directoryPath).Should().BeFalse();
Directory.Exists(directoryPath).Should().BeTrue();
}
}
public void DirectoryNotExistsTests()
{
using (var cleaner = new TestFileCleaner())
{
string directoryPath = cleaner.GetTestPath();
FileMethods.FileExists(directoryPath).Should().BeFalse();
FileMethods.PathExists(directoryPath).Should().BeFalse();
FileMethods.DirectoryExists(directoryPath).Should().BeFalse();
}
}
public void DirectoryExistsTests()
{
using var cleaner = new TestFileCleaner();
string directoryPath = cleaner.GetTestPath();
FileHelper.CreateDirectoryRecursive(directoryPath);
Storage.FileExists(directoryPath).Should().BeFalse();
Storage.PathExists(directoryPath).Should().BeTrue();
Storage.DirectoryExists(directoryPath).Should().BeTrue();
}
public void GetFileNameByHandleBasic()
{
using var cleaner = new TestFileCleaner();
string tempPath = cleaner.TempFolder;
string tempFileName = cleaner.GetTestPath();
using var file = Storage.CreateFile(tempFileName, CreationDisposition.CreateNew);
string fileName = Storage.GetFileNameLegacy(file);
tempFileName.Should().EndWith(fileName);
}
public void OpenFileDirect()
{
using (var cleaner = new TestFileCleaner())
{
string path = cleaner.CreateTestFile(nameof(OpenFileDirect));
using (var file = Storage.CreateFileDirect(@"\??\" + path, CreateDisposition.Open))
{
file.IsInvalid.Should().BeFalse();
}
}
}
public void CreateStream()
{
using (var cleaner = new TestFileCleaner(useDotNet: false))
{
string filePath = Paths.Combine(cleaner.TempFolder, Path.GetRandomFileName());
using (Stream fileStream = cleaner.FileService.CreateFileStream(filePath, FileMode.CreateNew))
{
fileStream.Should().NotBeNull();
}
}
}
public void CopyFile_OverExisting(bool useCreateFile)
{
using (var cleaner = new TestFileCleaner())
{
string source = cleaner.CreateTestFile(CompressedFile2);
string destination = cleaner.CreateTestFile($"CopyFile_OverExisting({useCreateFile})");
CompressionMethods.LzCopyFile(source, destination, overwrite: true, useCreateFile: useCreateFile).Should().Be(563);
FileHelper.ReadAllText(destination).Should().Be(CompressedContent2);
}
}
public void FileModeSynchronousFile()
{
using var cleaner = new TestFileCleaner();
string filePath = cleaner.GetTestPath();
using var file = Storage.CreateFile(filePath, CreationDisposition.CreateNew, DesiredAccess.GenericReadWrite, 0);
file.IsInvalid.Should().BeFalse();
var mode = Storage.GetFileMode(file);
mode.Should().HaveFlag(FileAccessModes.SynchronousNotAlertable);
}
public void FileExistsTests()
{
using (var cleaner = new TestFileCleaner())
{
string filePath = cleaner.GetTestPath();
FileHelper.WriteAllText(filePath, "FileExists");
FileMethods.FileExists(filePath).Should().BeTrue();
FileMethods.PathExists(filePath).Should().BeTrue();
FileMethods.DirectoryExists(filePath).Should().BeFalse();
}
}
public void EncryptFile_Basic()
{
using (var cleaner = new TestFileCleaner())
{
string path = cleaner.CreateTestFile(nameof(EncryptFile_Basic));
FileHelper.ReadAllText(path).Should().Be(nameof(EncryptFile_Basic));
Storage.EncryptFile(path);
FileHelper.ReadAllText(path).Should().Be(nameof(EncryptFile_Basic));
Storage.DecryptFile(path);
FileHelper.ReadAllText(path).Should().Be(nameof(EncryptFile_Basic));
}
}
public void CreateDirectoryBasic()
{
using (var temp = new TestFileCleaner())
{
string directoryPath = temp.GetTestPath();
Storage.CreateDirectory(directoryPath);
using (var directory = Storage.CreateDirectoryHandle(directoryPath))
{
directory.IsInvalid.Should().BeFalse();
}
}
}
public void CreateFileTests(string fileName)
{
using (var cleaner = new TestFileCleaner())
{
string filePath = Paths.Combine(cleaner.TempFolder, fileName);
using (var handle = NativeMethods.FileManagement.CreateFile(filePath, FileAccess.ReadWrite, FileShare.ReadWrite, FileMode.Create, 0))
{
handle.IsInvalid.Should().BeFalse();
NativeMethods.FileManagement.FileExists(filePath).Should().BeTrue();
}
}
}
public void ExpandedNameEx(string compressedName, byte character, string expandedName)
{
using (var cleaner = new TestFileCleaner())
{
byte[] data = new byte[CompressedFile1.Length];
CompressedFile1.CopyTo(data, 0);
data[9] = character;
string path = Path.Join(cleaner.TempFolder, compressedName);
FileHelper.WriteAllBytes(path, data);
Path.GetFileName(Compression.GetExpandedNameEx(path)).Should().Be(expandedName);
}
}
public void CreateFileUnextendedTests(string fileName)
{
using (var cleaner = new TestFileCleaner())
{
string filePath = Paths.Combine(cleaner.TempFolder, fileName);
using (var handle = FileMethods.CreateFile(filePath, CreationDisposition.CreateNew))
{
handle.IsInvalid.Should().BeFalse();
FileMethods.FileExists(filePath).Should().BeTrue();
}
}
}
public void CreateStreamsWithDifficultNames(string fileName)
{
using (var cleaner = new TestFileCleaner(useDotNet: false))
{
string filePath = Paths.Combine(cleaner.TempFolder, fileName);
using (Stream fileStream = cleaner.FileService.CreateFileStream(filePath, FileMode.CreateNew))
{
fileStream.Should().NotBeNull();
cleaner.FileService.FileExists(filePath).Should().BeTrue();
}
}
}
public void CopyFile(bool useCreateFile)
{
using (var cleaner = new TestFileCleaner())
{
string source = cleaner.CreateTestFile(CompressedFile2);
string destination = cleaner.GetTestPath();
Compression.LzCopyFile(source, destination, false, useCreateFile).Should().Be(563);
FileHelper.ReadAllText(destination).Should().Be(CompressedContent2);
}
}
public void LongPathFileNotExistsTests()
{
using (var cleaner = new TestFileCleaner())
{
string longPath = @"\\?\" + PathGenerator.CreatePathOfLength(cleaner.TempFolder, 500);
string filePath = cleaner.GetTestPath();
FileMethods.FileExists(filePath).Should().BeFalse();
FileMethods.PathExists(filePath).Should().BeFalse();
FileMethods.DirectoryExists(filePath).Should().BeFalse();
}
}
public void FindFileEmptyFolder(string pattern)
{
using (var temp = new TestFileCleaner())
{
string subdir = Paths.Combine(temp.TempFolder, "Subdir");
DirectoryMethods.CreateDirectory(subdir);
FileMethods.CreateFindOperation(subdir, nameFilter: pattern,
findTransform: FindTransforms.ToFileName.Instance, findFilter: FindFilters.All.Instance)
.Should().Contain(new string[] { ".", ".." });
}
}
public void ProcessWithActiveHandle()
{
using (var cleaner = new TestFileCleaner())
{
const int MAX_TRIES = 10;
// It is tricky to get an open handle conflict- give it a few tries
for (int i = 0; i < MAX_TRIES; i++)
{
string testFile = cleaner.CreateTestFile(nameof(ProcessWithActiveHandle));
// Create an open handle on the test file. Note that this must come first as
// the redirect (>>) will refuse to execute if there is already an open handle.
Process process = null;
ProcessStartInfo startInfo = new ProcessStartInfo
{
FileName = "cmd",
Arguments = $"/K copy con >> {testFile}",
WindowStyle = ProcessWindowStyle.Hidden
};
try
{
process = Process.Start(startInfo);
// The existing cmd handle won't let us access much
using (var handle = Storage.CreateFile(testFile, CreationDisposition.OpenExisting,
DesiredAccess.ReadAttributes, ShareModes.ReadWrite | ShareModes.Delete))
{
var ids = Storage.GetProcessIds(handle);
if (ids.Count() == 0)
{
continue;
}
// If this ends up being problematic (i.e. antivirus gets us a count of 2)
// we can look to see we have an id that matches the known process and that we
// don't contain our own process id.
ids.Should().HaveCount(1);
((int)(ulong)ids.First()).Should().Be(process.Id);
return;
}
}
finally
{
process?.CloseMainWindow();
}
}
false.Should().BeTrue($"Did not get a locked file in {MAX_TRIES} tries.");
}
}
public void LockedFileDirectoryDeletion()
{
using (var cleaner = new TestFileCleaner())
{
string directory = cleaner.GetTestPath();
DirectoryMethods.CreateDirectory(directory);
FileMethods.DirectoryExists(directory).Should().BeTrue();
string file = cleaner.CreateTestFile(nameof(LockedFileDirectoryDeletion), directory);
using (var handle = FileMethods.CreateFile(file, CreationDisposition.OpenExisting, DesiredAccess.GenericRead, ShareModes.ReadWrite | ShareModes.Delete))
{
handle.IsInvalid.Should().BeFalse();
// Mark the file for deletion
FileMethods.DeleteFile(file);
// RemoveDirectory API call will throw
Action action = () => DirectoryMethods.RemoveDirectory(directory);
action.ShouldThrow <WInteropIOException>().And.HResult.Should().Be((int)ErrorMacros.HRESULT_FROM_WIN32(WindowsError.ERROR_DIR_NOT_EMPTY));
// Opening the directory for deletion will succeed, but have no impact
using (var directoryHandle = FileMethods.CreateFile(
directory,
CreationDisposition.OpenExisting,
DesiredAccess.ListDirectory | DesiredAccess.Delete,
ShareModes.ReadWrite | ShareModes.Delete,
FileAttributes.None,
FileFlags.BackupSemantics | FileFlags.DeleteOnClose))
{
directoryHandle.IsInvalid.Should().BeFalse();
}
}
// File will be gone now that the handle is closed
FileMethods.FileExists(file).Should().BeFalse();
// But the directory will still exist as it doesn't respect DeleteOnClose with an open handle when it is closed
FileMethods.DirectoryExists(directory).Should().BeTrue();
// Create a handle to the directory again with DeleteOnClose and it will actually delete the directory
using (var directoryHandle = FileMethods.CreateFile(
directory,
CreationDisposition.OpenExisting,
DesiredAccess.ListDirectory | DesiredAccess.Delete,
ShareModes.ReadWrite | ShareModes.Delete,
FileAttributes.None,
FileFlags.BackupSemantics | FileFlags.DeleteOnClose))
{
directoryHandle.IsInvalid.Should().BeFalse();
}
FileMethods.DirectoryExists(directory).Should().BeFalse();
}
}
public void OneAlternateDataStream()
{
using (var cleaner = new TestFileCleaner())
{
string testFile = cleaner.CreateTestFile("OneAlternateDataStream");
string firstStream = testFile + ":First";
cleaner.FileService.WriteAllText(firstStream, "First alternate data stream");
var info = NativeMethods.Backup.GetAlternateStreamInformation(testFile);
info.Should().HaveCount(1);
info.First().Name.Should().Be(":First:$DATA");
}
}
public void CreateFile_LongPath()
{
// Unlike OpenFile, CreateFile handles > 128 character paths.
using (var cleaner = new TestFileCleaner())
{
string path = PathGenerator.CreatePathOfLength(cleaner.TempFolder, 160);
FileHelper.WriteAllBytes(path, CompressedFile1);
using (var handle = Compression.LzCreateFile(path))
{
handle.RawHandle.Should().BeGreaterThan(0);
}
}
}
public void CreateFile_OverMaxPathLongPath()
{
// Unlike OpenFile, CreateFile handles > 128 character paths. Unfortunately it is
// constrained by MAX_PATH internal buffers, so it cant go over 260.
using (var cleaner = new TestFileCleaner())
{
string path = @"\\?\" + PathGenerator.CreatePathOfLength(cleaner.TempFolder, 300);
FileHelper.EnsurePathDirectoryExists(path);
FileHelper.WriteAllBytes(path, CompressedFile1);
Action action = () => Compression.LzCreateFile(path);
action.Should().Throw <LzException>().And.Error.Should().Be(LzError.BadValue);
}
}
public void AddGroup_NoWriteDac()
{
using (var cleaner = new TestFileCleaner())
{
using (var handle = Storage.CreateFile(cleaner.GetTestPath(), CreationDisposition.CreateNew, DesiredAccess.GenericReadWrite))
{
handle.IsInvalid.Should().BeFalse();
SID usersGroup = Security.CreateWellKnownSid(WellKnownSID.Users);
Action action = () => handle.ChangeAccess(usersGroup, FileAccessRights.GenericRead, AccessMode.Grant);
action.Should().Throw <UnauthorizedAccessException>();
}
}
}
public void LoadStringFromLongPath()
{
using (var cleaner = new TestFileCleaner(useDotNet: false))
{
string longPath = PathGenerator.CreatePathOfLength(cleaner.TempFolder, 500);
cleaner.FileService.CreateDirectory(longPath);
string longPathLibrary = Paths.Combine(longPath, "LoadStringFromLongPath.dll");
cleaner.FileService.CopyFile(GetNativeTestLibraryLocation(), longPathLibrary);
longPathLibrary = Paths.AddExtendedPrefix(longPathLibrary);
using (var handle = NativeMethods.LoadLibrary(longPathLibrary, LoadLibraryFlags.LOAD_LIBRARY_AS_IMAGE_RESOURCE | LoadLibraryFlags.LOAD_LIBRARY_AS_DATAFILE))
{
string resource = NativeMethods.LoadString(handle, 101);
resource.Should().Be("Test");
}
}
}
public void FileInfoHasCanonicalPaths()
{
using (var cleaner = new TestFileCleaner(useDotNet: false))
{
string filePath = cleaner.GetTestPath() + "UPPER";
cleaner.FileService.WriteAllText(filePath, "FileInfoHasCanonicalPaths");
var info = cleaner.FileService.GetPathInfo(filePath.ToLowerInvariant());
info.Path.Should().Be(filePath);
}
}
public void OpenNonExistantStream(string appendix)
{
using (var cleaner = new TestFileCleaner(useDotNet: false))
{
string filePath = cleaner.GetTestPath() + appendix;
Action action = () => cleaner.FileService.CreateFileStream(filePath, FileMode.Open);
action.ShouldThrow<FileNotFoundException>();
}
}
public void CreateFileTests(string fileName)
{
using (var cleaner = new TestFileCleaner())
{
string filePath = Paths.Combine(cleaner.TempFolder, fileName);
using (var handle = NativeMethods.FileManagement.CreateFile(filePath, FileAccess.ReadWrite, FileShare.ReadWrite, FileMode.Create, 0))
{
handle.IsInvalid.Should().BeFalse();
NativeMethods.FileManagement.FileExists(filePath).Should().BeTrue();
}
}
}
public void CreateLongPathStream()
{
using (var cleaner = new TestFileCleaner(useDotNet: false))
{
string longPath = PathGenerator.CreatePathOfLength(cleaner.TempFolder, 300);
cleaner.FileService.CreateDirectory(longPath);
string filePath = Paths.Combine(longPath, Path.GetRandomFileName());
using (Stream fileStream = cleaner.FileService.CreateFileStream(filePath, FileMode.CreateNew))
{
fileStream.Should().NotBeNull();
}
}
}
public void CreateSymbolicLinkToLongPathFile()
{
using (var cleaner = new TestFileCleaner())
{
string filePath = cleaner.CreateTestFile("CreateSymbolicLinkToLongPathFile");
string symbolicLink = cleaner.GetTestPath();
Action action = () => NativeMethods.FileManagement.CreateSymbolicLink(symbolicLink, filePath);
if (cleaner.ExtendedFileService.CanCreateSymbolicLinks())
{
action();
var attributes = NativeMethods.FileManagement.GetFileAttributes(symbolicLink);
attributes.Should().HaveFlag(FileAttributes.ReparsePoint);
}
else
{
action.ShouldThrow<IOException>().And.HResult.Should().Be(NativeErrorHelper.GetHResultForWindowsError(NativeMethods.WinError.ERROR_PRIVILEGE_NOT_HELD));
}
}
}
public void CreateFileExtendedTests(string fileName)
{
using (var cleaner = new TestFileCleaner())
{
string filePath = Paths.AddExtendedPrefix(Paths.Combine(cleaner.TempFolder, fileName), addIfUnderLegacyMaxPath: true);
using (var handle = NativeMethods.FileManagement.CreateFile(filePath, FileAccess.ReadWrite, FileShare.ReadWrite, FileMode.Create, 0))
{
handle.IsInvalid.Should().BeFalse();
NativeMethods.FileManagement.FlushFileBuffers(handle);
NativeMethods.FileManagement.FileExists(filePath).Should().BeTrue();
}
}
}
public void DirectoryExistsTests()
{
using (var cleaner = new TestFileCleaner())
{
string directoryPath = cleaner.CreateTestDirectory();
NativeMethods.FileManagement.FileExists(directoryPath).Should().BeFalse();
NativeMethods.FileManagement.PathExists(directoryPath).Should().BeTrue();
NativeMethods.FileManagement.DirectoryExists(directoryPath).Should().BeTrue();
}
}
public void WriteAndReadAlternateStreams()
{
using (var cleaner = new TestFileCleaner(useDotNet: false))
{
string directoryPath = Paths.Combine(cleaner.TempFolder, Path.GetRandomFileName());
Directory.CreateDirectory(directoryPath);
string filePath = Paths.Combine(directoryPath, Path.GetRandomFileName());
using (Stream fileStream = cleaner.FileService.CreateFileStream(filePath, FileMode.CreateNew, FileAccess.ReadWrite)) { }
for (int i = 0; i < 3; i++)
{
string streamPath = $"{filePath}:Stream{i}:$DATA";
using (Stream fileStream = cleaner.FileService.CreateFileStream(streamPath, FileMode.CreateNew, FileAccess.ReadWrite))
{
string testString = $"This is test string {i}.";
fileStream.Should().NotBeNull();
StreamWriter writer = new StreamWriter(fileStream);
writer.WriteLine(testString);
writer.Flush();
fileStream.Position = 0;
StreamReader reader = new StreamReader(fileStream);
string readLine = reader.ReadLine();
readLine.Should().Be(testString);
}
}
var directoryInfo = cleaner.FileService.GetPathInfo(directoryPath) as IDirectoryInformation;
directoryInfo.Should().NotBeNull();
directoryInfo.EnumerateChildren().Should().HaveCount(1);
}
}
public void FinalPathNameLongPathPrefixRoundTripBehavior()
{
using (var cleaner = new TestFileCleaner(useDotNet: false))
{
string longPath = PathGenerator.CreatePathOfLength(cleaner.TempFolder, 500);
string filePath = Paths.Combine(longPath, Path.GetRandomFileName());
cleaner.FileService.CreateDirectory(longPath);
cleaner.FileService.WriteAllText(filePath, "FinalPathNameLongPathPrefixRoundTripBehavior");
using (var handle = NativeMethods.FileManagement.CreateFile(filePath, FileAccess.Read, FileShare.ReadWrite, FileMode.Open, 0))
{
handle.IsInvalid.Should().BeFalse();
string extendedPath = Paths.AddExtendedPrefix(filePath, addIfUnderLegacyMaxPath: true);
NativeMethods.FileManagement.GetFinalPathName(handle, NativeMethods.FileManagement.FinalPathFlags.FILE_NAME_NORMALIZED)
.Should().Be(extendedPath);
NativeMethods.FileManagement.GetFinalPathName(handle, NativeMethods.FileManagement.FinalPathFlags.FILE_NAME_OPENED)
.Should().Be(extendedPath);
NativeMethods.FileManagement.GetFinalPathName(handle, NativeMethods.FileManagement.FinalPathFlags.VOLUME_NAME_DOS)
.Should().Be(extendedPath);
NativeMethods.FileManagement.GetFinalPathName(handle, NativeMethods.FileManagement.FinalPathFlags.VOLUME_NAME_GUID)
.Should().StartWith(@"\\?\Volume");
NativeMethods.FileManagement.GetFinalPathName(handle, NativeMethods.FileManagement.FinalPathFlags.VOLUME_NAME_NT)
.Should().StartWith(@"\Device\");
NativeMethods.FileManagement.GetFinalPathName(handle, NativeMethods.FileManagement.FinalPathFlags.VOLUME_NAME_NONE)
.Should().Be(filePath.Substring(2));
}
}
}
public void AttributesForNonExistantLongPath()
{
using (var cleaner = new TestFileCleaner())
{
string longPath = PathGenerator.CreatePathOfLength(cleaner.TempFolder, 500);
FileAttributes attributes;
NativeMethods.FileManagement.TryGetFileAttributes(longPath, out attributes).Should().BeFalse();
attributes.Should().Be(NativeMethods.FileManagement.InvalidFileAttributes);
}
}
public void FinalPathNameBehavior()
{
using (var cleaner = new TestFileCleaner())
{
string filePath = cleaner.CreateTestFile("FinalPathNameBehavior");
using (var handle = NativeMethods.FileManagement.CreateFile(filePath.ToLower(), FileAccess.Read, FileShare.ReadWrite, FileMode.Open, 0))
{
handle.IsInvalid.Should().BeFalse();
string extendedPath = Paths.AddExtendedPrefix(filePath, addIfUnderLegacyMaxPath: true);
NativeMethods.FileManagement.GetFinalPathName(handle, NativeMethods.FileManagement.FinalPathFlags.FILE_NAME_NORMALIZED)
.Should().Be(extendedPath);
NativeMethods.FileManagement.GetFinalPathName(handle, NativeMethods.FileManagement.FinalPathFlags.FILE_NAME_OPENED)
.Should().Be(extendedPath);
NativeMethods.FileManagement.GetFinalPathName(handle, NativeMethods.FileManagement.FinalPathFlags.VOLUME_NAME_DOS)
.Should().Be(extendedPath);
NativeMethods.FileManagement.GetFinalPathName(handle, NativeMethods.FileManagement.FinalPathFlags.VOLUME_NAME_GUID)
.Should().StartWith(@"\\?\Volume");
NativeMethods.FileManagement.GetFinalPathName(handle, NativeMethods.FileManagement.FinalPathFlags.VOLUME_NAME_NT)
.Should().StartWith(@"\Device\");
NativeMethods.FileManagement.GetFinalPathName(handle, NativeMethods.FileManagement.FinalPathFlags.VOLUME_NAME_NONE)
.Should().Be(filePath.Substring(2));
}
}
}
public void FinalPathNameVolumeNameBehavior()
{
// This test is asserting that the original volume name has nothing to do with the volume GetFinalPathNameByHandle returns
using (var cleaner = new TestFileCleaner())
{
string filePath = cleaner.CreateTestFile("FinalPathNameVolumeNameBehavior");
string canonicalRoot = cleaner.ExtendedFileService.GetCanonicalRoot(cleaner.FileService, filePath);
string replacedPath = Paths.ReplaceRoot(canonicalRoot, filePath);
using (var handle = NativeMethods.FileManagement.CreateFile(replacedPath.ToLower(), FileAccess.Read, FileShare.ReadWrite, FileMode.Open, 0))
{
handle.IsInvalid.Should().BeFalse();
string extendedPath = Paths.AddExtendedPrefix(filePath, addIfUnderLegacyMaxPath: true);
NativeMethods.FileManagement.GetFinalPathName(handle, NativeMethods.FileManagement.FinalPathFlags.FILE_NAME_NORMALIZED)
.Should().Be(extendedPath);
NativeMethods.FileManagement.GetFinalPathName(handle, NativeMethods.FileManagement.FinalPathFlags.FILE_NAME_OPENED)
.Should().Be(extendedPath);
NativeMethods.FileManagement.GetFinalPathName(handle, NativeMethods.FileManagement.FinalPathFlags.VOLUME_NAME_DOS)
.Should().Be(extendedPath);
NativeMethods.FileManagement.GetFinalPathName(handle, NativeMethods.FileManagement.FinalPathFlags.VOLUME_NAME_GUID)
.Should().StartWith(@"\\?\Volume");
NativeMethods.FileManagement.GetFinalPathName(handle, NativeMethods.FileManagement.FinalPathFlags.VOLUME_NAME_NT)
.Should().StartWith(@"\Device\");
NativeMethods.FileManagement.GetFinalPathName(handle, NativeMethods.FileManagement.FinalPathFlags.VOLUME_NAME_NONE)
.Should().Be(filePath.Substring(2));
}
}
}
public void FinalPathNameLinkBehavior()
{
var extendedFileService = new ExtendedFileService();
if (!extendedFileService.CanCreateSymbolicLinks()) return;
// GetFinalPathName always points to the linked file unless you specifically open the reparse point
using (var cleaner = new TestFileCleaner())
{
string filePath = Paths.Combine(cleaner.TempFolder, "Target");
string extendedPath = Paths.AddExtendedPrefix(filePath, addIfUnderLegacyMaxPath: true);
cleaner.FileService.WriteAllText(filePath, "CreateSymbolicLinkToFile");
string symbolicLink = Paths.Combine(cleaner.TempFolder, "Link");
string extendedLink = Paths.AddExtendedPrefix(symbolicLink, addIfUnderLegacyMaxPath: true);
NativeMethods.FileManagement.CreateSymbolicLink(symbolicLink, filePath);
NativeMethods.FileManagement.FileExists(symbolicLink).Should().BeTrue("symbolic link should exist");
// GetFinalPathName should normalize the casing, pushing ToUpper to validate
using (var handle = NativeMethods.FileManagement.CreateFile(symbolicLink.ToUpperInvariant(), FileAccess.Read, FileShare.ReadWrite, FileMode.Open, 0))
{
handle.IsInvalid.Should().BeFalse();
NativeMethods.FileManagement.GetFinalPathName(handle, NativeMethods.FileManagement.FinalPathFlags.FILE_NAME_NORMALIZED)
.Should().Be(extendedPath);
NativeMethods.FileManagement.GetFinalPathName(handle, NativeMethods.FileManagement.FinalPathFlags.FILE_NAME_OPENED)
.Should().Be(extendedPath);
}
using (var handle = NativeMethods.FileManagement.CreateFile(symbolicLink.ToUpperInvariant(), FileAccess.Read, FileShare.ReadWrite, FileMode.Open, NativeMethods.FileManagement.AllFileAttributeFlags.FILE_FLAG_OPEN_REPARSE_POINT))
{
handle.IsInvalid.Should().BeFalse();
NativeMethods.FileManagement.GetFinalPathName(handle, NativeMethods.FileManagement.FinalPathFlags.FILE_NAME_NORMALIZED)
.Should().Be(extendedLink);
NativeMethods.FileManagement.GetFinalPathName(handle, NativeMethods.FileManagement.FinalPathFlags.FILE_NAME_OPENED)
.Should().Be(extendedLink);
}
}
}
public void WriteAndReadLongPathStream()
{
using (var cleaner = new TestFileCleaner(useDotNet: false))
{
string longPath = PathGenerator.CreatePathOfLength(cleaner.TempFolder, 300);
cleaner.FileService.CreateDirectory(longPath);
string filePath = Paths.Combine(longPath, Path.GetRandomFileName());
using (Stream fileStream = cleaner.FileService.CreateFileStream(filePath, FileMode.CreateNew, FileAccess.ReadWrite))
{
fileStream.Should().NotBeNull();
StreamWriter writer = new StreamWriter(fileStream);
writer.WriteLine("This is a test string.");
writer.Flush();
fileStream.Position = 0;
StreamReader reader = new StreamReader(fileStream);
string readLine = reader.ReadLine();
readLine.Should().Be("This is a test string.");
}
}
}
public void LongPathFileNotExistsTests()
{
using (var cleaner = new TestFileCleaner())
{
string longPath = PathGenerator.CreatePathOfLength(cleaner.TempFolder, 500);
string filePath = cleaner.GetTestPath();
NativeMethods.FileManagement.FileExists(filePath).Should().BeFalse();
NativeMethods.FileManagement.PathExists(filePath).Should().BeFalse();
NativeMethods.FileManagement.DirectoryExists(filePath).Should().BeFalse();
}
}
public void WriteAndReadStream(string appendix)
{
using (var cleaner = new TestFileCleaner(useDotNet: false))
{
string filePath = Paths.Combine(cleaner.TempFolder, Path.GetRandomFileName() + appendix);
using (Stream fileStream = cleaner.FileService.CreateFileStream(filePath, FileMode.CreateNew, FileAccess.ReadWrite))
{
fileStream.Should().NotBeNull();
StreamWriter writer = new StreamWriter(fileStream);
writer.WriteLine("This is a test string.");
writer.Flush();
fileStream.Position = 0;
StreamReader reader = new StreamReader(fileStream);
string readLine = reader.ReadLine();
readLine.Should().Be("This is a test string.");
}
}
}
public void FileExistsTests()
{
using (var cleaner = new TestFileCleaner())
{
string filePath = Paths.Combine(cleaner.TempFolder, Path.GetRandomFileName());
File.WriteAllText(filePath, "FileExists");
NativeMethods.FileManagement.FileExists(filePath).Should().BeTrue();
NativeMethods.FileManagement.PathExists(filePath).Should().BeTrue();
NativeMethods.FileManagement.DirectoryExists(filePath).Should().BeFalse();
}
}
public void DirectoryNotExistsTests()
{
using (var cleaner = new TestFileCleaner())
{
string directoryPath = Paths.Combine(cleaner.TempFolder, Path.GetRandomFileName());
NativeMethods.FileManagement.FileExists(directoryPath).Should().BeFalse();
NativeMethods.FileManagement.PathExists(directoryPath).Should().BeFalse();
NativeMethods.FileManagement.DirectoryExists(directoryPath).Should().BeFalse();
}
}
public void FileTypeOfFile()
{
using (var cleaner = new TestFileCleaner())
{
using (var testFile = NativeMethods.FileManagement.CreateFile(
cleaner.GetTestPath(),
FileAccess.ReadWrite,
FileShare.ReadWrite,
FileMode.Create,
0))
{
NativeMethods.FileManagement.GetFileType(testFile).Should().Be(NativeMethods.FileManagement.FileType.FILE_TYPE_DISK);
}
}
}
