public void ConvertInputStringToReversePolishSignature_InputExpressionIsProperlyConvertedInReversePolishSignature()
{
var parser = new ArithmeticExpressionParser();
const string inputArithmeticExpression = "(VII*IX)*(IX+(LVII*I))";
const string expectedReversePolishSignature = "$VII$$IX$*$IX$$LVII$$I$*+*";
var actualReversePolishSignature = parser.ConvertInputStringToReversePolishSignature(inputArithmeticExpression);
Assert.AreEqual(expectedReversePolishSignature, actualReversePolishSignature);
}
private string RecoursiveDescent(string input)
{
var result = ArithmeticExpressionParser.Parse(input);
var builder = new StringBuilder();
builder.AppendLine($"Прочитанная строка: {result.ResultString};")
.Append("Перечень состояний:");
foreach (var item in result.States)
{
builder.Append(" ➜ ").Append(item);
}
return(builder.ToString());
}
public void ConvertArabicNumberToRoman_ArabicNumberIsProperlyConvertedToRomanNotation()
{
if (!_isInitializedDictionary)
{
InitializeDictionary();
}
var parser = new ArithmeticExpressionParser();
foreach (var romanNumber in _dictionaryOfArabicAndRomanNumbers.Values)
{
var arabicNumber = _dictionaryOfArabicAndRomanNumbers.FirstOrDefault(x => x.Value == romanNumber).Key;
var expectedRomanNumber = romanNumber;
var actualRomanNumberAfterConverting = parser.ConverterOfNumbers.ConvertArabicNumberToRoman(arabicNumber);
Assert.AreEqual(expectedRomanNumber, actualRomanNumberAfterConverting);
}
}
public void ConvertRomanNumberToArabic_RomanNumberIsProperlyConvertedToArabicNotation()
{
if (!_isInitializedDictionary)
{
InitializeDictionary();
}
var parser = new ArithmeticExpressionParser();
foreach (var arabicNumber in _dictionaryOfArabicAndRomanNumbers.Keys)
{
var romanNumber = _dictionaryOfArabicAndRomanNumbers[arabicNumber];
var expectedArabicNumber = arabicNumber;
var actualArabicNumberAfterConverting = parser.ConverterOfNumbers.ConvertRomanNumberToArabic(romanNumber);
Assert.AreEqual(expectedArabicNumber, actualArabicNumberAfterConverting);
}
}
public static void StartParser()
{
var arithparser = new ArithmeticExpressionParser<decimal>();
string input = string.Empty;
while(true)
{
try
{
Console.Write(">>>");
input = Console.ReadLine();
Console.WriteLine(arithparser.Parse(input));
}
catch(Exception e)
{
if(input == "exit")
Environment.Exit(0);
else
Console.WriteLine("Error: {0}",e.Message);
}
}
}
