public void T8()
{
var arr = new byte[] { 1, 2, 3, 4, 5 };
var s = new BufferSegmentReadingStream();
s.BindBuffer(arr, 2, 3);
Assert.AreEqual(3, s.Length);
Assert.AreEqual(0, s.Position);
Assert.AreEqual(3, s.ReadByte());
Assert.AreEqual(1, s.Position);
Assert.AreEqual(4, s.ReadByte());
Assert.AreEqual(2, s.Position);
Assert.AreEqual(5, s.ReadByte());
Assert.AreEqual(3, s.Position);
Assert.AreEqual(-1, s.ReadByte());
Assert.AreEqual(3, s.Position);
var arr2 = new byte[] { 101, 102, 103, 104, 105, 106, 107, 108, 109, 110 };
s.BindBuffer(arr2, 2, 3);
Assert.AreEqual(3, s.Length);
Assert.AreEqual(0, s.Position);
Assert.AreEqual(103, s.ReadByte());
Assert.AreEqual(1, s.Position);
Assert.AreEqual(104, s.ReadByte());
Assert.AreEqual(2, s.Position);
Assert.AreEqual(105, s.ReadByte());
Assert.AreEqual(3, s.Position);
Assert.AreEqual(-1, s.ReadByte());
Assert.AreEqual(3, s.Position);
}
public void T6()
{
var arr = new byte[] { 1, 2, 3, 4, 5 };
var s = new BufferSegmentReadingStream();
var ms = new MemoryStream(arr, 2, 3);
s.BindBuffer(arr, 2, 3);
Assert.AreEqual(3, ms.Length);
Assert.AreEqual(3, s.Length);
s.Seek(1, SeekOrigin.Current);
ms.Seek(1, SeekOrigin.Current);
Assert.AreEqual(1, ms.Position);
Assert.AreEqual(4, ms.ReadByte());
Assert.AreEqual(1, s.Position);
Assert.AreEqual(4, s.ReadByte());
s.Seek(-1, SeekOrigin.Current);
ms.Seek(-1, SeekOrigin.Current);
Assert.AreEqual(1, ms.Position);
Assert.AreEqual(4, ms.ReadByte());
Assert.AreEqual(1, s.Position);
Assert.AreEqual(4, s.ReadByte());
}
public void T4()
{
var arr = new byte[] { 1, 2, 3, 4, 5 };
var s = new BufferSegmentReadingStream();
var ms = new MemoryStream(arr, 2, 3);
s.BindBuffer(arr, 2, 3);
Aver.AreEqual(3, ms.Length);
Aver.AreEqual(3, s.Length);
s.Seek(-1, SeekOrigin.End);
ms.Seek(-1, SeekOrigin.End);
Aver.AreEqual(2, ms.Position);
Aver.AreEqual(5, ms.ReadByte());
Aver.AreEqual(2, s.Position);
Aver.AreEqual(5, s.ReadByte());
s.Seek(0, SeekOrigin.End);
ms.Seek(0, SeekOrigin.End);
Aver.AreEqual(3, ms.Position);
Aver.AreEqual(-1, ms.ReadByte());
Aver.AreEqual(3, s.Position);
Aver.AreEqual(-1, s.ReadByte());
}
public void T7()
{
var arr = new byte[] { 1, 2, 3, 4, 5 };
var s = new BufferSegmentReadingStream();
Assert.Throws <NFXIOException>(() => s.BindBuffer(arr, 22, 3));
Assert.Throws <NFXIOException>(() => s.BindBuffer(arr, 0, 23));
Assert.Throws <NFXIOException>(() => s.BindBuffer(arr, -1, 1));
Assert.Throws <NFXIOException>(() => s.BindBuffer(arr, 0, -1));
}
public override BufferSegmentReadingStream GetReadStream(int addr, int count)
{
BufferSegmentReadingStream result = ts_ReadStream;
if (result == null)
{
result = new BufferSegmentReadingStream();
ts_ReadStream = result;
}
result.UnsafeBindBuffer(m_Data, addr, count);
return(result);
}
public override BufferSegmentReadingStream GetReadStream(int addr, int count)
{
var buf = new byte[count];
ReadBuffer(addr, buf, 0, count);//todo Add semantic for unsafe pointer to not make copies
BufferSegmentReadingStream result = ts_ReadStream;
if (result == null)
{
result = new BufferSegmentReadingStream();
ts_ReadStream = result;
}
result.UnsafeBindBuffer(buf, 0, count); //todo Bind low-level memory accessor not to make any copies
return(result);
}
public void T3_2()
{
var arr = new byte[] { 1, 2, 3, 4, 5 };
var s = new BufferSegmentReadingStream();
s.BindBuffer(arr, 2, 3);
Assert.AreEqual(0, s.Position);
Assert.AreEqual(3, s.Length);
var a2 = new byte[10];
Assert.AreEqual(2, s.Read(a2, 1, 2));
Assert.AreEqual(0, a2[0]);
Assert.AreEqual(3, a2[1]);
Assert.AreEqual(4, a2[2]);
Assert.AreEqual(0, a2[3]);
Assert.AreEqual(2, s.Position);
}
public void T2()
{
var arr = new byte[] { 1, 2, 3, 4, 5 };
var s = new BufferSegmentReadingStream();
s.BindBuffer(arr, 0, 3);
Assert.AreEqual(3, s.Length);
Assert.AreEqual(0, s.Position);
Assert.AreEqual(1, s.ReadByte());
Assert.AreEqual(1, s.Position);
Assert.AreEqual(2, s.ReadByte());
Assert.AreEqual(2, s.Position);
Assert.AreEqual(3, s.ReadByte());
Assert.AreEqual(3, s.Position);
Assert.AreEqual(-1, s.ReadByte());
Assert.AreEqual(3, s.Position);
}
/// <summary>
/// Deserializes data document from the specified byte[] using thread-local caching optimizations
/// </summary>
public static void Deserialize(TypedDoc doc, byte[] data, int offset)
{
var stream = ts_ReadStream;
var reader = ts_Reader;
if (stream == null)
{
stream = new BufferSegmentReadingStream();
reader = SlimFormat.Instance.GetReadingStreamer();
reader.BindStream(stream);
ts_ReadStream = stream;
ts_Reader = reader;
}
stream.BindBuffer(data, offset, data.Length - offset);
try
{
Deserialize(doc, reader, true);
}
finally
{
stream.UnsafeBindBuffer(null, 0, 0);
}
}
