private PositionalDifference SetupDifference(int baselineLength, int checkLength, byte baselineDiffFirstByte, byte checkDiffFirstByte)
{
int baselineDiffAbsoluteStart = _baselineData.LastReadPosition;
int checkDiffAbsoluteStart = _secondaryData.LastReadPosition;
byte[] baselineDiffPart = _baselineData.ReadBytes(baselineLength, out int baselineBytesActuallyRead);
byte[] checkDiffPart = _secondaryData.ReadBytes(checkLength, out int checkBytesActuallyRead);
string baselineString = Convert.ToChar(baselineDiffFirstByte) + Encoding.Default.GetString(baselineDiffPart);
string checkString = Convert.ToChar(checkDiffFirstByte) + Encoding.Default.GetString(checkDiffPart);
return(new PositionalDifference(baselineDiffAbsoluteStart, baselineString, checkDiffAbsoluteStart, checkString));
}
