public void IsCompoundNumber_WhenIs_ShouldReturnTrue(int units, int tens, int hundreds)
{
//---------------Arrange-------------------
var sut = new ExpandedDigits
{
Hundreds = hundreds,
Tens = tens,
Units = units
};
//---------------Act----------------------
var actual = sut.IsCompoundNumber();
//---------------Assert-----------------------
actual.Should().BeTrue();
}
private string GetTensDigitWord(ExpandedDigits digits)
{
var tens = new Dictionary <int, string>
{
{ 10, "ten" },
{ 20, "twenty" },
{ 30, "thirty" },
{ 40, "fourty" },
{ 50, "fifty" },
{ 60, "sixty" },
{ 70, "seventy" },
{ 80, "eighty" },
{ 90, "ninety" },
};
var lookup = digits.GetTensValue();
return(digits.IsCompoundNumber() ? $"{tens[lookup]}-" : tens[lookup]);
}
