public void Test()
{
var buffer = new ReceiveBuffer(maxPacketSize: 16, packetQueueCapacity: 4);
Assert.Equal(0, buffer.Count);
byte[] data;
int offset;
int size;
var ipEndPoint = new IPEndPoint(IPAddress.Any, 0);
Assert.True(buffer.BeginWrite(out data, out offset, out size));
data[offset] = 1;
data[offset + 1] = 2;
buffer.EndWrite(2, ipEndPoint);
Assert.Equal(1, buffer.Count);
Assert.True(buffer.BeginWrite(out data, out offset, out size));
data[offset] = 3;
data[offset + 1] = 4;
buffer.EndWrite(2, ipEndPoint);
Assert.Equal(2, buffer.Count);
buffer.EndWrite(0, ipEndPoint);
Assert.Equal(3, buffer.Count);
buffer.EndWrite(0, ipEndPoint);
Assert.Equal(4, buffer.Count);
// Overflow
Assert.False(buffer.BeginWrite(out data, out offset, out size));
Assert.Equal(4, buffer.Count);
Assert.True(buffer.BeginRead(out data, out offset, out size));
Assert.Equal(2, size);
Assert.Equal(1, data[offset]);
Assert.Equal(2, data[offset + 1]);
buffer.EndRead();
Assert.Equal(3, buffer.Count);
Assert.True(buffer.BeginRead(out data, out offset, out size));
Assert.Equal(2, size);
Assert.Equal(3, data[offset]);
Assert.Equal(4, data[offset + 1]);
buffer.EndRead();
Assert.Equal(2, buffer.Count);
Assert.True(buffer.BeginRead(out data, out offset, out size));
Assert.Equal(0, size);
buffer.EndRead();
Assert.Equal(1, buffer.Count);
Assert.True(buffer.BeginRead(out data, out offset, out size));
Assert.Equal(0, size);
buffer.EndRead();
Assert.Equal(0, buffer.Count);
Assert.False(buffer.BeginRead(out data, out offset, out size));
}