static void TestVirtualFileSystem()
{
try
{
Random r = new Random();
SlowDisk disk = new SlowDisk(1);
disk.TurnOn();
VirtualFS vfs = new VirtualFS();
vfs.Format(disk);
vfs.Mount(disk, "/");
VirtualNode root = vfs.RootNode;
VirtualNode dir1 = root.CreateDirectoryNode("dir1");
VirtualNode dir2 = root.CreateDirectoryNode("dir2");
VirtualNode file1 = dir1.CreateFileNode("file1");
TestFileWriteRead(file1, r, 0, 100);
TestFileWriteRead(file1, r, 0, 500);
TestFileWriteRead(file1, r, 250, 100);
vfs.Unmount("/");
vfs.Mount(disk, "/");
RescursivelyPrintNodes(vfs.RootNode);
disk.TurnOff();
}
catch (Exception ex)
{
Console.WriteLine("VFS test failed: " + ex.Message);
}
}
static void TestPhysicalFileSystem()
{
SlowDisk disk = new SlowDisk(1);
disk.TurnOn();
int SECTOR_SIZE = disk.BytesPerSector;
//free sector
{
FREE_SECTOR freeWrite = new FREE_SECTOR(disk.BytesPerSector);
disk.WriteSector(0, freeWrite.RawBytes);
FREE_SECTOR freeRead = FREE_SECTOR.CreateFromBytes(disk.ReadSector(0));
CheckSectorBytes(freeWrite, freeRead);
}
//drive info
{
DRIVE_INFO driveWrite = new DRIVE_INFO(disk.BytesPerSector, 101);
disk.WriteSector(1, driveWrite.RawBytes);
DRIVE_INFO driveRead = DRIVE_INFO.CreateFromBytes(disk.ReadSector(1));
CheckSectorBytes(driveWrite, driveRead);
}
//dir node
{
DIR_NODE dirWrite = new DIR_NODE(disk.BytesPerSector, 103, "dir1", 10);
disk.WriteSector(2, dirWrite.RawBytes);
DIR_NODE dirRead = DIR_NODE.CreateFromBytes(disk.ReadSector(2));
CheckSectorBytes(dirWrite, dirRead);
}
//file node
{
FILE_NODE fileWrite = new FILE_NODE(disk.BytesPerSector, 104, "file1", 100);
disk.WriteSector(3, fileWrite.RawBytes);
FILE_NODE fileRead = FILE_NODE.CreateFromBytes(disk.ReadSector(3));
CheckSectorBytes(fileWrite, fileRead);
}
//data sector
{
byte[] testData = new byte[DATA_SECTOR.MaxDataLength(disk.BytesPerSector)];
for (int i = 0; i < testData.Length; i++)
{
testData[i] = (byte)(i + 1);
}
DATA_SECTOR dataWrite = new DATA_SECTOR(disk.BytesPerSector, 105, testData);
disk.WriteSector(4, dataWrite.RawBytes);
DATA_SECTOR dataRead = DATA_SECTOR.CreateFromBytes(disk.ReadSector(4));
CheckSectorBytes(dataWrite, dataRead);
}
disk.TurnOff();
}
static void TestfileSystem()
{
try
{
Random r = new Random();
SlowDisk disk = new SlowDisk(1);
disk.TurnOn();
FileSystem fs = new SimpleFS();
fs.Format(disk);
fs.Mount(disk, "/");
Directory root = fs.GetRootDirectory();
root.CreateDirectory("Testing123");
Directory dir = root.CreateDirectory("nested");
File file = dir.CreateFile("nestedfile");
FileStream filestream = file.Open();
filestream.Write(0, CreateTestBytes(r, 142));
filestream.Close();
root.CreateFile("rootfile");
fs.Find("/rootfile");
FSEntry f = fs.Find("/nested/nestedfile");
string fullname = f.FullPathName;
RescursivelyPrintDirectories(root);
fs.Unmount("/");
disk.TurnOff();
}
catch (Exception ex)
{
Console.WriteLine("Test File System failed. Ex: " + ex.Message);
}
}