private int GetPoemCount()
{
if (Ranges?.Count == 0)
{
return(0);
}
int n = 0;
foreach (AlnumRange range in Ranges)
{
if (range.A == null)
{
continue; // defensive
}
if (range.B != null)
{
Alphanumeric start = Alphanumeric.Parse(range.A);
Alphanumeric end = Alphanumeric.Parse(range.B);
if (!start.IsNull() && !end.IsNull() &&
start.Alpha == null && end.Alpha == null)
{
n += (int)end.Number - (int)start.Number;
}
}
else
{
n++;
}
}
return(n);
}
public static void AlphanumericParserIncorrect()
=> AssertThat(() => Alphanumeric.Parse("-yz")).ThrowsExactlyException <ParseException>();
public static void AlphanumericParserCorrectNumerical()
=> AssertThat(Alphanumeric.Parse("987")).IsEqualTo('9');
public static void AlphanumericParserCorrectAlphabetical()
=> AssertThat(Alphanumeric.Parse("xyz")).IsEqualTo('x');
