public void TestRoundTripRaw()
{
var stream = new MemoryStream();
var codedOutput = CodedOutputStream.CreateInstance(stream);
codec.ValueWriter(codedOutput, sampleValue);
codedOutput.Flush();
stream.Position = 0;
var codedInput = CodedInputStream.CreateInstance(stream);
Assert.AreEqual(sampleValue, codec.ValueReader(codedInput));
Assert.IsTrue(codedInput.IsAtEnd);
}