public void WhenFromRomanNumeralIsInitializedToUseExpandedRomanNumeralsItReturnsArabic()
{
// The real numerals over 1000 are letters with bars over them. Since that isn't easy to
// re-create, I'm substituting alternate letters
Dictionary <string, long> expandedNumeralValueLookup = new Dictionary <string, long>(StringComparer.CurrentCultureIgnoreCase)
{
{ "I", 1 },
{ "V", 5 },
{ "X", 10 },
{ "L", 50 },
{ "C", 100 },
{ "D", 500 },
{ "M", 1000 },
{ "B", 5000 },
{ "A", 10000 }
};
FromRomanNumeral fourteenThousandTwoHundredSixtyFour = new FromRomanNumeral("AMBCCLXIV", expandedNumeralValueLookup);
Assert.AreEqual(14264, fourteenThousandTwoHundredSixtyFour.GenerateArabicRepresentation());
}
public void WhenFromRomanNumeralIsInitializedToUseAlternateRomanNumeralsItReturnsArabic()
{
// this is well outside of the scope of the kata, but it is a demonstration of the flexibility of the solution
Dictionary <string, long> alternateNumeralValueLookup = new Dictionary <string, long>(StringComparer.CurrentCultureIgnoreCase)
{
{ "A", 1 },
{ "B", 5 },
{ "C", 10 },
{ "D", 50 },
{ "E", 100 },
{ "F", 500 },
{ "G", 1000 }
};
FromRomanNumeral fourteen = new FromRomanNumeral("CAB", alternateNumeralValueLookup);
Assert.AreEqual(14, fourteen.GenerateArabicRepresentation());
FromRomanNumeral nineteenEightyNine = new FromRomanNumeral("GEGDCCCAC", alternateNumeralValueLookup);
Assert.AreEqual(1989, nineteenEightyNine.GenerateArabicRepresentation());
}
public static long ParseAsRomanNumeral(this string romanNumeral)
{
FromRomanNumeral fromRomanNumeral = new FromRomanNumeral(romanNumeral);
return(fromRomanNumeral.GenerateArabicRepresentation());
}
