public void ThrowException_WhenConverting_GivenArabicNumberWhichIsLessThanOne()
{
var arabicToRomanNumeral = new ArabicToRomanNumeral();
Action actualRomanNumeral = () => arabicToRomanNumeral.Convert(0);
actualRomanNumeral.Should().Throw <Exception>();
}
public void ReturnRomanNumeral_WhenConverting_GivenArabicNumber(int arabicNumber, string expectedRomanNumeral)
{
var arabicToRomanNumeral = new ArabicToRomanNumeral();
var actualRomanNumeral = arabicToRomanNumeral.Convert(arabicNumber);
actualRomanNumeral.Should().Be(expectedRomanNumeral);
}