private Header TestLength(Header head)
{
int maxPathLength = head.MaxPathLength;
string str = $"Max path length of {Path.GetFileName(In.First())}: {maxPathLength}\n" +
$"Dest path length: {Path_.Length}\n" +
$"Total+1 ({Path_.Length + maxPathLength + 1}) must be less than {max_path}\n" +
$"And the path of {Path.GetFileName(In.First())}: {In.First().Length}\n" +
$"must also be less than {max_path}";
if (In.First().Length >= max_path || Path_.Length + maxPathLength + 1 >= max_path)
{
throw new PathTooLongException(Logger.WriteLine(str));
}
else
{
Logger.WriteLine(str, true);
}
return(head);
}