public void WriteSemanticTag(string hexBuffer, ulong semanticTag) { using (ByteBufferWriter buffer = new ByteBufferWriter()) { CborWriter writer = new CborWriter(buffer); if (semanticTag != ulong.MaxValue) { writer.WriteSemanticTag(semanticTag); } writer.WriteUInt32(1563049435); Assert.Equal(hexBuffer, BitConverter.ToString(buffer.WrittenSpan.ToArray()).Replace("-", "")); } }