public void SpellNumberSucceedsWithIntegerNumber()
        {
            var    controller = new NumberSpellerController();
            string result     = controller.SpellNumber("123456");

            Assert.Equal("ONE HUNDRED TWENTY THREE THOUSAND FOUR HUNDRED FIFTY SIX DOLLARS", result);
        }
        public void SpellNumberSucceedsWithDecimalValue()
        {
            var    controller = new NumberSpellerController();
            string result     = controller.SpellNumber(".77");

            Assert.Equal("ZERO DOLLARS AND SEVENTY SEVEN CENTS", result);
        }