public void TestMixCopy()
{
var array = new byte[] { 0, 1, 2, 3, 4, 5 };
var chunkedStream = new ChunkedStream();
chunkedStream.Write(array, 1, 3);
chunkedStream.Write(array, 2, 4);
chunkedStream.Write(array, 3, 3);
var b = chunkedStream.ReadByte();
Assert.AreEqual(b, array[1]);
var destArray = new byte[8];
chunkedStream.Read(destArray, 0, destArray.Length);
Assert.AreEqual(array[2], destArray[0]);
Assert.AreEqual(array[3], destArray[1]);
Assert.AreEqual(array[2], destArray[2]);
Assert.AreEqual(array[3], destArray[3]);
Assert.AreEqual(array[4], destArray[4]);
Assert.AreEqual(array[5], destArray[5]);
Assert.AreEqual(array[3], destArray[6]);
Assert.AreEqual(array[4], destArray[7]);
}
public void TestRead()
{
byte[] content = null;
using (MemoryStream file = new MemoryStream())
{
byte[] buffer = new byte[this.chunkSize];
this.FillArray <byte>(buffer, (byte)'1');
file.Write(buffer, 0, this.chunkSize);
this.FillArray <byte>(buffer, (byte)'2');
file.Write(buffer, 0, this.chunkSize);
this.FillArray <byte>(buffer, (byte)'3');
file.Write(buffer, 0, 3);
content = file.ToArray();
}
using (Stream file = new MemoryStream(content))
using (ChunkedStream chunked = new ChunkedStream(file, this.chunkSize))
{
byte[] buffer = new byte[this.chunkSize];
byte[] result = new byte[this.chunkSize];
Assert.AreEqual(0, chunked.ChunkPosition);
Assert.AreEqual(0, chunked.Position);
Assert.AreEqual(this.chunkSize, chunked.Length);
this.FillArray <byte>(buffer, (byte)'1');
Assert.AreEqual(1, chunked.Read(result, 0, 1));
Assert.IsTrue(this.EqualArray(buffer, result, 1));
Assert.AreEqual(0, chunked.ChunkPosition);
Assert.AreEqual(1, chunked.Position);
Assert.AreEqual(this.chunkSize, chunked.Length);
Assert.AreEqual(this.chunkSize - 1, chunked.Read(result, 1, this.chunkSize));
Assert.IsTrue(this.EqualArray(buffer, result, this.chunkSize));
Assert.AreEqual(0, chunked.ChunkPosition);
Assert.AreEqual(this.chunkSize, chunked.Position);
Assert.AreEqual(this.chunkSize, chunked.Length);
Assert.AreEqual(0, chunked.Read(result, 0, this.chunkSize));
Assert.AreEqual(0, chunked.ChunkPosition);
Assert.AreEqual(this.chunkSize, chunked.Position);
Assert.AreEqual(this.chunkSize, chunked.Length);
chunked.ChunkPosition = 2 * this.chunkSize;
Assert.AreEqual(2 * this.chunkSize, chunked.ChunkPosition);
Assert.AreEqual(0, chunked.Position);
Assert.AreEqual(3, chunked.Length);
this.FillArray <byte>(buffer, (byte)'3');
Assert.AreEqual(3, chunked.Read(result, 0, this.chunkSize));
Assert.IsTrue(this.EqualArray(buffer, result, 3));
Assert.AreEqual(2 * this.chunkSize, chunked.ChunkPosition);
Assert.AreEqual(3, chunked.Position);
Assert.AreEqual(3, chunked.Length);
chunked.ChunkPosition = this.chunkSize;
Assert.AreEqual(this.chunkSize, chunked.ChunkPosition);
Assert.AreEqual(0, chunked.Position);
Assert.AreEqual(this.chunkSize, chunked.Length);
this.FillArray <byte>(buffer, (byte)'2');
for (int i = 0; i < this.chunkSize; ++i)
{
Assert.AreEqual(1, chunked.Read(result, i, 1));
}
Assert.IsTrue(this.EqualArray(buffer, result, this.chunkSize));
Assert.AreEqual(this.chunkSize, chunked.ChunkPosition);
Assert.AreEqual(this.chunkSize, chunked.Position);
Assert.AreEqual(this.chunkSize, chunked.Length);
}
}
public void TestRead()
{
//using (Database database = new Database(DatabasePath))
{
using (Stream file = File.OpenWrite(TestFilePath))
{
byte[] buffer = new byte[ChunkSize];
FillArray <byte>(buffer, (byte)'1');
file.Write(buffer, 0, ChunkSize);
FillArray <byte>(buffer, (byte)'2');
file.Write(buffer, 0, ChunkSize);
FillArray <byte>(buffer, (byte)'3');
file.Write(buffer, 0, 3);
}
using (Stream file = new FileStream(TestFilePath, FileMode.OpenOrCreate, FileAccess.ReadWrite, FileShare.None))
using (ChunkedStream chunked = new ChunkedStream(file, ChunkSize))
{
byte[] buffer = new byte[ChunkSize];
byte[] result = new byte[ChunkSize];
Assert.AreEqual(0, chunked.ChunkPosition);
Assert.AreEqual(0, chunked.Position);
Assert.AreEqual(ChunkSize, chunked.Length);
FillArray <byte>(buffer, (byte)'1');
Assert.AreEqual(1, chunked.Read(result, 0, 1));
Assert.IsTrue(EqualArray(buffer, result, 1));
Assert.AreEqual(0, chunked.ChunkPosition);
Assert.AreEqual(1, chunked.Position);
Assert.AreEqual(ChunkSize, chunked.Length);
Assert.AreEqual(ChunkSize - 1, chunked.Read(result, 1, ChunkSize));
Assert.IsTrue(EqualArray(buffer, result, ChunkSize));
Assert.AreEqual(0, chunked.ChunkPosition);
Assert.AreEqual(ChunkSize, chunked.Position);
Assert.AreEqual(ChunkSize, chunked.Length);
Assert.AreEqual(0, chunked.Read(result, 0, ChunkSize));
Assert.AreEqual(0, chunked.ChunkPosition);
Assert.AreEqual(ChunkSize, chunked.Position);
Assert.AreEqual(ChunkSize, chunked.Length);
chunked.ChunkPosition = 2 * ChunkSize;
Assert.AreEqual(2 * ChunkSize, chunked.ChunkPosition);
Assert.AreEqual(0, chunked.Position);
Assert.AreEqual(3, chunked.Length);
FillArray <byte>(buffer, (byte)'3');
Assert.AreEqual(3, chunked.Read(result, 0, ChunkSize));
Assert.IsTrue(EqualArray(buffer, result, 3));
Assert.AreEqual(2 * ChunkSize, chunked.ChunkPosition);
Assert.AreEqual(3, chunked.Position);
Assert.AreEqual(3, chunked.Length);
chunked.ChunkPosition = ChunkSize;
Assert.AreEqual(ChunkSize, chunked.ChunkPosition);
Assert.AreEqual(0, chunked.Position);
Assert.AreEqual(ChunkSize, chunked.Length);
FillArray <byte>(buffer, (byte)'2');
for (int i = 0; i < ChunkSize; ++i)
{
Assert.AreEqual(1, chunked.Read(result, i, 1));
}
Assert.IsTrue(EqualArray(buffer, result, ChunkSize));
Assert.AreEqual(ChunkSize, chunked.ChunkPosition);
Assert.AreEqual(ChunkSize, chunked.Position);
Assert.AreEqual(ChunkSize, chunked.Length);
}
}
}
