public void AlternateDatastreamDirectory()
{
Random rand = new Random();
byte[][] data = new byte[10][];
for (int i = 0; i < 10; i++)
{
data[i] = new byte[1024 * 1024];
rand.NextBytes(data[i]);
}
using (TempDir tmpDir = new TempDir())
{
// Make file
for (int i = 0; i < 10; i++)
{
using (SafeFileHandle fileHandle = Win32.CreateFile(tmpDir.Directory.FullName + ":alternate" + i + ":$DATA"))
using (FileStream fs = new FileStream(fileHandle, FileAccess.ReadWrite))
{
fs.Write(data[i], 0, data[i].Length);
}
}
// Discover dir in NTFSLib
char driveLetter = tmpDir.Directory.FullName[0];
RawDisk disk = new RawDisk(driveLetter);
NTFSDiskProvider provider = new NTFSDiskProvider(disk);
NTFSWrapper ntfsWrapper = new NTFSWrapper(provider, 0);
NtfsDirectory ntfsDir = NTFSHelpers.OpenDir(ntfsWrapper, tmpDir.Directory.FullName);
// Check streams
string[] streams = ntfsWrapper.ListDatastreams(ntfsDir.MFTRecord);
Assert.AreEqual(10, streams.Length);
for (int i = 0; i < 10; i++)
{
Assert.AreEqual(1, streams.Count(s => s == "alternate" + i));
}
// Check data
for (int i = 0; i < 10; i++)
{
using (Stream memStream = new MemoryStream(data[i]))
using (Stream fileStream = ntfsWrapper.OpenFileRecord(ntfsDir.MFTRecord, "alternate" + i))
{
StreamUtils.CompareStreams(memStream, fileStream);
}
}
}
}
