public unsafe void MemoryStreamTests()
{
var data1 = Factory.CreateRandomBytes(1024 * 3 + 500);
var memory = new ColumnMemoryStream(1024);
fixed(byte *p = data1)
memory.Write(p, data1.Length);
memory.Reset();
var data2 = new byte[1024];
fixed(byte *p = data2)
memory.Read(p, data2.Length);
data1.Check(0, data2, 0, data2.Length);
fixed(byte *p = data2)
memory.Read(p, data2.Length);
data1.Check(1024, data2, 0, data2.Length);
fixed(byte *p = data2)
memory.Read(p, data2.Length);
data1.Check(1024 * 2, data2, 0, data2.Length);
fixed(byte *p = data2)
memory.Read(p, data2.Length);
data1.Check(1024 * 3, data2, 0, 500);
}
private static IColumnCursor <T> CreateCursor <TEntry, T>(TEntry[] chunk)
where TEntry : unmanaged, IFieldEntry <T>
{
var memory = new ColumnMemoryStream(chunk.Length * sizeof(TEntry));
memory.WriteAndReset(chunk, sizeof(TEntry));
return(new ColumnCursor <TEntry, T, ColumnMemoryStream>(new DummyPinnedAllocator(), memory));
}
//[Benchmark(Description = "Full Template")]
//public int FullTemplateCodec()
//{
// var read = 0;
// for (var i = 0; i < WROTE; i += READ)
// read += _csFullTemplateCodec.Read(_rData, READ);
// return read;
//}
private ColumnStreamFullStream <ColumnMemoryStream, TCodec> CreateCsb <TCodec>(TCodec codec, byte[] data)
where TCodec : ICodecFullStream
{
var memory = new ColumnMemoryStream();
var stream = new ColumnStreamFullStream <ColumnMemoryStream, TCodec>(memory, codec, _allocator, 1024);
stream.WriteAndReset(data, sizeof(byte));
_streams.Add(stream);
return(stream);
}
public static void CheckAndReset(this ColumnMemoryStream stream, int position)
{
stream.Position.Check(position);
stream.Reset();
}