public void Initialize()
{
MemoryStream ms = new MemoryStream();
using (Disk disk = Disk.InitializeDynamic(ms, Ownership.Dispose, 3 * 1024 * 1024))
{
GuidPartitionTable table = GuidPartitionTable.Initialize(disk);
Assert.AreEqual(0, table.Count);
}
}
public void CreateSmallWholeDisk()
{
MemoryStream ms = new MemoryStream();
using (Disk disk = Disk.InitializeDynamic(ms, Ownership.Dispose, 3 * 1024 * 1024))
{
GuidPartitionTable table = GuidPartitionTable.Initialize(disk);
int idx = table.Create(WellKnownPartitionType.WindowsFat, true);
// Make sure the partition fills from first to last usable.
Assert.AreEqual(table.FirstUsableSector, table[idx].FirstSector);
Assert.AreEqual(table.LastUsableSector, table[idx].LastSector);
}
}
public void CreateBySize()
{
MemoryStream ms = new MemoryStream();
using (Disk disk = Disk.InitializeDynamic(ms, Ownership.Dispose, 3 * 1024 * 1024))
{
GuidPartitionTable table = GuidPartitionTable.Initialize(disk);
int idx = table.Create(2 * 1024 * 1024, WellKnownPartitionType.WindowsFat, false);
// Make sure the partition is within 10% of the size requested.
Assert.That((2 * 1024 * 2) * 0.9 < table[idx].SectorCount);
Assert.AreEqual(table.FirstUsableSector, table[idx].FirstSector);
}
}
public void CreateLargeWholeDisk()
{
MemoryStream ms = new MemoryStream();
using (Disk disk = Disk.InitializeDynamic(ms, Ownership.Dispose, 200 * 1024L * 1024 * 1024))
{
GuidPartitionTable table = GuidPartitionTable.Initialize(disk);
int idx = table.Create(WellKnownPartitionType.WindowsFat, true);
Assert.AreEqual(2, table.Partitions.Count);
Assert.AreEqual(GuidPartitionTypes.MicrosoftReserved, table[0].GuidType);
Assert.AreEqual(128 * 1024 * 1024, table[0].SectorCount * 512);
// Make sure the partition fills from first to last usable, allowing for MicrosoftReserved sector.
Assert.AreEqual(table[0].LastSector + 1, table[idx].FirstSector);
Assert.AreEqual(table.LastUsableSector, table[idx].LastSector);
}
}
public void CreateBySizeInGap()
{
MemoryStream ms = new MemoryStream();
using (Disk disk = Disk.InitializeDynamic(ms, Ownership.Dispose, 300 * 1024 * 1024))
{
GuidPartitionTable table = GuidPartitionTable.Initialize(disk);
table.Create(10 * 1024 * 1024, WellKnownPartitionType.WindowsFat, false);
table.Create((20 * 1024 * 1024) / 512, ((30 * 1024 * 1024) / 512) - 1, GuidPartitionTypes.WindowsBasicData, 0, "Data Partition");
table.Create((60 * 1024 * 1024) / 512, ((70 * 1024 * 1024) / 512) - 1, GuidPartitionTypes.WindowsBasicData, 0, "Data Partition");
int idx = table.Create(20 * 1024 * 1024, WellKnownPartitionType.WindowsFat, false);
Assert.AreEqual(((30 * 1024 * 1024) / 512), table[idx].FirstSector);
Assert.AreEqual(((50 * 1024 * 1024) / 512) - 1, table[idx].LastSector);
}
}
public void Delete()
{
MemoryStream ms = new MemoryStream();
using (Disk disk = Disk.InitializeDynamic(ms, Ownership.Dispose, 10 * 1024 * 1024))
{
GuidPartitionTable table = GuidPartitionTable.Initialize(disk);
Assert.AreEqual(0, table.Create(1 * 1024 * 1024, WellKnownPartitionType.WindowsFat, false));
Assert.AreEqual(1, table.Create(2 * 1024 * 1024, WellKnownPartitionType.WindowsFat, false));
Assert.AreEqual(2, table.Create(3 * 1024 * 1024, WellKnownPartitionType.WindowsFat, false));
long[] sectorCount = new long[] { table[0].SectorCount, table[1].SectorCount, table[2].SectorCount };
table.Delete(1);
Assert.AreEqual(2, table.Count);
Assert.AreEqual(sectorCount[2], table[1].SectorCount);
}
}
public void CreateAlignedWholeDisk()
{
MemoryStream ms = new MemoryStream();
using (Disk disk = Disk.InitializeDynamic(ms, Ownership.Dispose, 200 * 1024L * 1024 * 1024))
{
GuidPartitionTable table = GuidPartitionTable.Initialize(disk);
int idx = table.CreateAligned(WellKnownPartitionType.WindowsFat, true, 1024 * 1024);
Assert.AreEqual(2, table.Partitions.Count);
Assert.AreEqual(GuidPartitionTypes.MicrosoftReserved, table[0].GuidType);
Assert.AreEqual(128 * 1024 * 1024, table[0].SectorCount * 512);
// Make sure the partition is aligned
Assert.AreEqual(0, table[idx].FirstSector % 2048);
Assert.AreEqual(0, (table[idx].LastSector + 1) % 2048);
// Ensure partition fills most of the disk
Assert.Greater((table[idx].SectorCount * 512), disk.Capacity * 0.9);
}
}