using UnitTestSharp;

namespace Ariadne.Generator.UnitTests
{
    public class PassagePlanTests : TestFixture
    {
        public class LettersTests : TestFixture
        {
            public void FirstIndex_IsA()
            {
                CheckEqual("A", PassagePlan.Letters(0));
            }

            public void LastSingleLetter_IsZ()
            {
                CheckEqual("Z", PassagePlan.Letters(25));
            }

            public void FirstDoubleLetter_IsAA()
            {
                CheckEqual("AA", PassagePlan.Letters(26));
            }

            public void NextAfterAA_IsAB()
            {
                CheckEqual("AB", PassagePlan.Letters(27));
            }

            public void EndOfTheAFamily_IsAZ()
            {
                CheckEqual("AZ", PassagePlan.Letters(51));
            }

            public void StartOfTheBFamily_IsBA()
            {
                CheckEqual("BA", PassagePlan.Letters(52));
            }

            public void LastDoubleLetter_IsZZ()
            {
                CheckEqual("ZZ", PassagePlan.Letters(701));
            }

            public void FirstTripleLetter_IsAAA()
            {
                CheckEqual("AAA", PassagePlan.Letters(702));
            }
        }
    }
}