static void TestPhysicalFileSystem()
{
// try reading/writing various types of sectors
// use CheckBytes() to compare what was written vs. read
VolatileDisk disk = new VolatileDisk(1);
disk.TurnOn();
// FREE_SECTOR
FREE_SECTOR free1 = new FREE_SECTOR(disk.BytesPerSector);
disk.WriteSector(0, free1.RawBytes);
FREE_SECTOR free2 = FREE_SECTOR.CreateFromBytes(disk.ReadSector(0));
CheckBytes("Free1", free1, "free2", free2);
Console.WriteLine("FREE_SECTOR successful");
// DRIVE_INFO
int rootNodeAt = 1;
DRIVE_INFO drive1 = new DRIVE_INFO(disk.BytesPerSector, rootNodeAt);
disk.WriteSector(0, drive1.RawBytes);
DRIVE_INFO drive2 = DRIVE_INFO.CreateFromBytes(disk.ReadSector(0));
CheckBytes("drive1", drive1, "drive2", drive2);
Console.WriteLine("DRIVE_SECTOR successful");
// DIR_NODE
DIR_NODE rootDir1 = new DIR_NODE(disk.BytesPerSector, 2, FSConstants.PATH_SEPARATOR.ToString(), 42);
disk.WriteSector(rootNodeAt, rootDir1.RawBytes);
DIR_NODE rootDir2 = DIR_NODE.CreateFromBytes(disk.ReadSector(rootNodeAt));
CheckBytes("rootDir1", rootDir1, "rootDir2", rootDir2);
Console.WriteLine("DIR_NODE successful");
// FILE_NODE
FILE_NODE file1 = new FILE_NODE(disk.BytesPerSector, 8, "file1", 1000);
disk.WriteSector(5, file1.RawBytes);
FILE_NODE file2 = FILE_NODE.CreateFromBytes(disk.ReadSector(5));
CheckBytes("file1", file1, "file2", file2);
Console.WriteLine("FILE_NODE successful");
// DATA_SECTOR
byte[] filedata = CreateTestBytes(new Random(), DATA_SECTOR.MaxDataLength(disk.BytesPerSector));
DATA_SECTOR data1 = new DATA_SECTOR(disk.BytesPerSector, 9, filedata);
disk.WriteSector(8, data1.RawBytes);
DATA_SECTOR data2 = DATA_SECTOR.CreateFromBytes(disk.ReadSector(8));
CheckBytes("data1", data1, "data2", data2);
Console.WriteLine("DATA_SECTOR successful");
disk.TurnOff();
}
static void TestPhysicalFileSystem()
{
// try reading/writing various types of sectors
// use CheckBytes() to compare what was written vs. read
VolatileDisk disk = new VolatileDisk(1);
disk.TurnOn();
// FREE_SECTOR
// Initialize a FREE_SECTOR and write it to disk.
FREE_SECTOR free1 = new FREE_SECTOR(disk.BytesPerSector);
disk.WriteSector(0, free1.RawBytes);
// REad the sector back and compare.
byte[] freeBytes = disk.ReadSector(0);
Console.WriteLine("Read sector 0, type = " + SECTOR.GetTypeFromBytes(freeBytes));
FREE_SECTOR free2 = FREE_SECTOR.CreateFromBytes(freeBytes);
CheckBytes("Written Free sector", free1, "Read Free sector", free2);
// TODO: DRIVE_INFO
// TODO: DIR_NODE
// TODO: FILE_NODE
//FILE_NODE file1 = new FILE_NODE(disk.BytesPerSector, 11, "foo", 12);
// DATA_SECTOR
int datalen = DATA_SECTOR.MaxDataLength(disk.BytesPerSector);
byte[] databytes = new byte[datalen];
DATA_SECTOR data1 = new DATA_SECTOR(disk.BytesPerSector, 42, databytes);
disk.WriteSector(41, data1.RawBytes);
disk.TurnOff();
}
