public void NumberSmallerOrEqualZeroOrGreaterThan1000AreNotConverted()
{
var convertor = new RomanNumeralsConverter();
Assert.AreEqual(convertor.ToRoman(-1), "NaN");
Assert.AreEqual(convertor.ToRoman(0), "NaN");
Assert.AreEqual(convertor.ToRoman(1001), "NaN");
}
public void OtherNumbersAreConvertedToRoman()
{
var convertor = new RomanNumeralsConverter();
Assert.AreEqual(convertor.ToRoman(2), "II");
Assert.AreEqual(convertor.ToRoman(3), "III");
Assert.AreEqual(convertor.ToRoman(37), "XXXVII");
Assert.AreEqual(convertor.ToRoman(47), "XLVII");
Assert.AreEqual(convertor.ToRoman(300), "CCC");
Assert.AreEqual(convertor.ToRoman(501), "DI");
Assert.AreEqual(convertor.ToRoman(990), "CMXC");
}
public void Convert_Number_To_Roman_Number_Literal(int input, string expected)
{
// Given
var converter = new RomanNumeralsConverter();
// When
var actual = converter.Convert(input);
// Then
Assert.Equal(expected, actual);
}
public void ConvertRomanToArabic()
{
var convertor = new RomanNumeralsConverter();
Assert.AreEqual(1, convertor.ToArabic("I"));
Assert.AreEqual(1000, convertor.ToArabic("M"));
Assert.AreEqual(50, convertor.ToArabic("L"));
Assert.AreEqual(9, convertor.ToArabic("IX"));
Assert.AreEqual(990, convertor.ToArabic("CMXC"));
Assert.AreEqual(501, convertor.ToArabic("DI"));
Assert.AreEqual(37, convertor.ToArabic("XXXVII"));
Assert.AreEqual(47, convertor.ToArabic("XLVII"));
}
static void Main(string[] args)
{
int result = 0;
bool success = Int32.TryParse(Console.ReadLine(), out result);
while (!success)
{
success = Int32.TryParse(Console.ReadLine(), out result);
}
string romanNumeral = new RomanNumeralsConverter().Convert(result);
Console.WriteLine(romanNumeral);
Console.ReadLine();
}
public void BaseNumbersAreConvertedToRoman()
{
var convertor = new RomanNumeralsConverter();
Assert.AreEqual(convertor.ToRoman(1), "I");
Assert.AreEqual(convertor.ToRoman(4), "IV");
Assert.AreEqual(convertor.ToRoman(5), "V");
Assert.AreEqual(convertor.ToRoman(9), "IX");
Assert.AreEqual(convertor.ToRoman(10), "X");
Assert.AreEqual(convertor.ToRoman(40), "XL");
Assert.AreEqual(convertor.ToRoman(50), "L");
Assert.AreEqual(convertor.ToRoman(90), "XC");
Assert.AreEqual(convertor.ToRoman(100), "C");
Assert.AreEqual(convertor.ToRoman(400), "CD");
Assert.AreEqual(convertor.ToRoman(500), "D");
Assert.AreEqual(convertor.ToRoman(900), "CM");
Assert.AreEqual(convertor.ToRoman(1000), "M");
}
private static void NumberToRomanNumeralShouldBe(int number, string expected)
{
Assert.AreEqual(expected, RomanNumeralsConverter.ToRoman(number));
}
public void Should_Convert_Number_to_Roman(int number, string expected)
{
var romNum = new RomanNumeralsConverter();
var result = romNum.NumberToRoman(number);
Assert.AreEqual(expected, result);
}
public void Number_greater_than_3999_should_thow_exception()
{
var romNum = new RomanNumeralsConverter();
romNum.NumberToRoman(4000);
}
public void Number_greater_than_3999_should_thow_exception()
{
var romNum = new RomanNumeralsConverter();
romNum.NumberToRoman(4000);
}