public void ConvertLast2Digits_ReturnNumber() { NumberToWord n2w; n2w = new NumberToWord("0"); Assert.AreEqual("", n2w.ConvertLast2Digits("0")); n2w = new NumberToWord("5"); Assert.AreEqual("five", n2w.ConvertLast2Digits("5")); n2w = new NumberToWord("14"); Assert.AreEqual("fourteen", n2w.ConvertLast2Digits("14")); n2w = new NumberToWord("1384"); Assert.AreEqual("eighty-four", n2w.ConvertLast2Digits("1384")); }