public void ShouldGetFileInfoWithMultipleHardLinks()
{
var path = IOPath.GetTempPath();
path = IOPath.Combine(path, IOPath.GetRandomFileName());
var file = IOFile.Create(path);
file.Close();
var linkPath = IOPath.GetTempPath();
linkPath = IOPath.Combine(linkPath, IOPath.GetRandomFileName());
CFile.CreateHardLink(linkPath, path);
try
{
var fileInfo = new CFileInfo(path);
Assert.That(fileInfo.LinkCount, Is.EqualTo(2), "LinkCount");
}
finally
{
IOFile.Delete(path);
IOFile.Delete(linkPath);
}
}
public void ShouldIgnoreFileInDirectoryThatDoesNotExist()
{
var fileInfo = new CFileInfo("C:\\I\\do\\not\\exist.txt");
Assert.That(fileInfo.FileIndex, Is.EqualTo(0));
Assert.That(fileInfo.LinkCount, Is.EqualTo(0));
Assert.That(fileInfo.VolumeSerialNumber, Is.EqualTo(0));
}
public void ShouldIgnoreFileThatDoesNotExist()
{
var path = IOPath.GetTempPath();
path = IOPath.Combine(path, IOPath.GetRandomFileName());
var fileInfo = new CFileInfo(path);
Assert.That(fileInfo.FileIndex, Is.EqualTo(0));
Assert.That(fileInfo.LinkCount, Is.EqualTo(0));
Assert.That(fileInfo.VolumeSerialNumber, Is.EqualTo(0));
}
public void ShouldGetFileInfo()
{
var path = IOPath.GetTempPath();
path = IOPath.Combine(path, IOPath.GetRandomFileName());
var file = IOFile.Create(path);
file.Close();
try
{
var fileInfo = new CFileInfo(path);
BY_HANDLE_FILE_INFORMATION kernelFileInfo;
using (file = IOFile.Open(path, FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
{
try
{
CFileInfo.GetFileInformationByHandle(file.SafeFileHandle, out kernelFileInfo);
}
finally
{
file.Close();
}
}
Assert.That(fileInfo.LinkCount, Is.EqualTo(kernelFileInfo.NumberOfLinks), "LinkCount");
Assert.That(fileInfo.VolumeSerialNumber, Is.EqualTo(kernelFileInfo.VolumeSerialNumber), "VolumeSerialNumber");
UInt64 fileIndex = kernelFileInfo.FileIndexHigh;
fileIndex = fileIndex << 32;
fileIndex |= kernelFileInfo.FileIndexLow;
Assert.That(fileInfo.FileIndex, Is.EqualTo(fileIndex), "FileIndex");
fileIndex = fileInfo.FileIndex;
var upperIndex = (uint)((fileIndex >> 32) & 0xffffffff);
Assert.That(kernelFileInfo.FileIndexHigh, Is.EqualTo(upperIndex));
var lowerIndex = (uint)(fileIndex & 0xffffffff);
Assert.That(kernelFileInfo.FileIndexLow, Is.EqualTo(lowerIndex));
}
finally
{
IOFile.Delete(path);
}
}
