public void OverflowException_Test()
{
ulong input = (ulong)Math.Pow(26, 2) + 2 * 26 + 3;
const string stringValueOfInput = "ABCD";
var generator = new LetterEncoder();
Helpers.ExceptionTest(() => generator.Encode(input, maxStringLength: stringValueOfInput.Length - 1), typeof (OverflowException),
string.Format(Messages.StringGeneratorOverflow, input, stringValueOfInput.Length - 1));
}
public void Encode_Test()
{
const int stringLength = 10;
const string expected = "BCD";
const ulong input = 26*26 + 2*26 + 3;
var generator = new LetterEncoder();
string result = generator.Encode(input, stringLength);
Assert.AreEqual(expected, result);
}
