184_buffer = shadowBuffer; 194_buffer = new Byte[_bufferSize]; 280_buffer = null;

175Contract.Assert(_buffer != null); 179if (_buffer.Length != _bufferSize || _bufferSize >= MaxShadowBufferSize) 183Buffer.InternalBlockCopy(_buffer, 0, shadowBuffer, 0, _writePos); 193if (_buffer == null) 442Contract.Assert(_buffer != null && _bufferSize >= _writePos, 445_stream.Write(_buffer, 0, _writePos); 456Contract.Assert(_buffer != null && _bufferSize >= _writePos, 459await _stream.WriteAsync(_buffer, 0, _writePos, cancellationToken).ConfigureAwait(false); 479Buffer.InternalBlockCopy(_buffer, _readPos, array, offset, readBytes); 550_readLen = _stream.Read(_buffer, 0, _bufferSize); 786_stream.BeginRead(_buffer, 0, _bufferSize, BeginEndAwaitableAdapter.Callback, _beginEndAwaitable); 789_readLen = await _stream.ReadAsync(_buffer, 0, _bufferSize, cancellationToken).ConfigureAwait(false); 814_readLen = _stream.Read(_buffer, 0, _bufferSize); 821Int32 b = _buffer[_readPos++]; 834Buffer.InternalBlockCopy(array, offset, _buffer, _writePos, bytesToWrite); 954Contract.Assert(_buffer != null); 956_stream.Write(_buffer, 0, _writePos); 969Contract.Assert(_buffer != null); 976Buffer.InternalBlockCopy(array, offset, _buffer, _writePos, count); 977_stream.Write(_buffer, 0, totalUserBytes); 982_stream.Write(_buffer, 0, _writePos); 1185Contract.Assert(_buffer != null); 1189_stream.BeginWrite(_buffer, 0, _writePos, BeginEndAwaitableAdapter.Callback, _beginEndAwaitable); 1192await _stream.WriteAsync(_buffer, 0, _writePos, cancellationToken).ConfigureAwait(false); 1206Contract.Assert(_buffer != null); 1213Buffer.InternalBlockCopy(array, offset, _buffer, _writePos, count); 1216_stream.BeginWrite(_buffer, 0, totalUserBytes, BeginEndAwaitableAdapter.Callback, _beginEndAwaitable); 1219await _stream.WriteAsync(_buffer, 0, totalUserBytes, cancellationToken).ConfigureAwait(false); 1227_stream.BeginWrite(_buffer, 0, _writePos, BeginEndAwaitableAdapter.Callback, _beginEndAwaitable); 1230await _stream.WriteAsync(_buffer, 0, _writePos, cancellationToken).ConfigureAwait(false); 1267_buffer[_writePos++] = value;