public void NoPayload()
{
var prefixWriter = new PrefixingBufferWriter <byte>(this.sequence, Prefix.Length, 50);
Assert.Equal(0, this.sequence.Length);
Prefix.CopyTo(prefixWriter.Prefix);
prefixWriter.Commit();
Assert.Equal(Prefix.Length, this.sequence.Length);
Assert.Equal(Prefix.ToArray(), this.sequence.AsReadOnlySequence.ToArray());
}
private void PayloadCompleteHelper(PrefixingBufferWriter <byte> prefixWriter)
{
// There mustn't be any calls to Advance on the underlying buffer yet, or else we've lost the opportunity to write the prefix.
Assert.Equal(0, this.sequence.Length);
var length = prefixWriter.Length;
// Go ahead and commit everything, with our prefix.
Prefix.CopyTo(prefixWriter.Prefix);
prefixWriter.Commit();
Assert.Equal(length + Prefix.Length, this.sequence.Length);
// Verify that the prefix immediately precedes the payload.
Assert.Equal(Prefix.ToArray().Concat(Payload.ToArray()), this.sequence.AsReadOnlySequence.ToArray());
}