public void Construct_Nodes_With_One_Numeral()
{
var builder = new NumeralNodeBuilder();
var node = builder.ConstructNodes("X");
Assert.IsTrue(node.Numeral == "X");
Assert.IsTrue(node.Next == null);
}
public string Convert(string romanNumeral)
{
try
{
var nodeBuilder = new NumeralNodeBuilder();
var root = nodeBuilder.ConstructNodes(romanNumeral);
var result = CalculateDecimal(root);
return result.ToString();
}
catch (InvalidRomanNumeralException exception)
{
return exception.Message;
}
}
