public void convert_number_nine_to_ix()
        {
            var numberToConvert = 9;

            var converter = new RomanConverter();
            var result    = converter.Convert(numberToConvert);

            Assert.AreEqual("ix", result);
        }
        public void convert_number_ten_to_x()
        {
            var numberToConvert = 10;

            var converter = new RomanConverter();
            var result    = converter.Convert(numberToConvert);

            Assert.AreEqual("x", result);
        }
        public void convert_number_five_to_v()
        {
            var numberToConvert = 5;

            var converter = new RomanConverter();
            var result    = converter.Convert(numberToConvert);

            Assert.AreEqual("v", result);
        }
        public void convert_number_eight_to_viii()
        {
            var numberToConvert = 8;

            var converter = new RomanConverter();
            var result    = converter.Convert(numberToConvert);

            Assert.AreEqual("viii", result);
        }
        public void convert_number_four_to_iv()
        {
            var numberToConvert = 4;

            var converter = new RomanConverter();
            var result    = converter.Convert(numberToConvert);

            Assert.AreEqual("iv", result);
        }
        public void convert_number_two_to_ii()
        {
            var numberToConvert = 2;

            var converter = new RomanConverter();
            var result    = converter.Convert(numberToConvert);

            Assert.AreEqual("ii", result);
        }
        public void convert_number_3949_to_mmmcmxlix()
        {
            var numberToConvert = 3949;

            var converter = new RomanConverter();
            var result    = converter.Convert(numberToConvert);

            Assert.AreEqual("mmmcmxlix", result);
        }
        public void convert_number_3001_to_mmmi()
        {
            var numberToConvert = 3001;

            var converter = new RomanConverter();
            var result    = converter.Convert(numberToConvert);

            Assert.AreEqual("mmmi", result);
        }
        public void convert_number_50_to_l()
        {
            var numberToConvert = 50;

            var converter = new RomanConverter();
            var result    = converter.Convert(numberToConvert);

            Assert.AreEqual("l", result);
        }