public void Complex(int number, string romanNumber)
        {
            var    converter = new ChiffresRomains();
            string result    = converter.ConvertToRoman(number);

            Assert.AreEqual(romanNumber, result);
        }
        public void FourConsecutiveLettersWithJump(int nombre, string romain)
        {
            var    converter = new ChiffresRomains();
            string result    = converter.ConvertToRoman(nombre);

            Assert.AreEqual(romain, result);
        }
        public void OneForEachLetter(int nombre, string romain)
        {
            var    converter = new ChiffresRomains();
            string result    = converter.ConvertToRoman(nombre);

            Assert.AreEqual(romain, result);
        }
        public void UnaDigita(int nombre, string romain)
        {
            var    converter = new ChiffresRomains();
            string result    = converter.ConvertToRoman(nombre);

            Assert.AreEqual(romain, result);
        }
        public void CovertToDigits()
        {
            var converter = new ChiffresRomains();

            for (var i = 1; i < 3000; i++)
            {
                Assert.AreEqual(i, converter.ConvertToDigits(converter.ConvertToRoman(i)));
            }
        }
        public void WrongNumber(int nombre)
        {
            var converter = new ChiffresRomains();

            Assert.Throws <InvalidOperationException>(() => converter.ConvertToRoman(nombre));
        }