public void bin2hex2()
        {
            Convertors.Convertor a = new Convertors.BinConvertor("1100110011");
            string expected        = "333";
            string actual          = a.ToHexadecimal().ToString();

            Assert.AreEqual(expected, actual);
        }
 public void bin2hex8()
 {
     Convertors.Convertor a      = new Convertors.BinConvertor(new string(""));
     Numbers.Number       number = null;
     Assert.Catch <ArgumentNullException>(() => number = a.ToHexadecimal());
 }