public void ConvertFromRomanNumeralToInt_SendRomanNumeralsWithBadSymbolsPosition_Throws(string invalidRomanNumeral)
{
RomanNumeralsConverter conv = new RomanNumeralsConverter();
var ex = Assert.Throws <ArgumentException>(() => conv.ConvertFromRomanNumeralToInt(invalidRomanNumeral));
StringAssert.Contains("bad format of symbols positions", ex.Message);
}
public void ConvertFromRomanNumeralToInt_SendRomanNumeralsWithTooManyTheSameSymbols_Throws(string invalidRomanNumeral)
{
RomanNumeralsConverter conv = new RomanNumeralsConverter();
var ex = Assert.Throws <ArgumentException>(() => conv.ConvertFromRomanNumeralToInt(invalidRomanNumeral));
StringAssert.Contains("too many of the same symbols in row", ex.Message);
}
public void ConvertFromRomanNumeralToInt_InvalidRomanNumeral_Throws()
{
RomanNumeralsConverter conv = new RomanNumeralsConverter();
var ex = Assert.Throws <ArgumentException>(() => conv.ConvertFromRomanNumeralToInt("Invalid roman numeral"));
StringAssert.Contains("invalid symbols", ex.Message);
}
public void ConvertFromRomanNumeralToInt_SendEmptyString_Throwsn()
{
RomanNumeralsConverter conv = new RomanNumeralsConverter();
var ex = Assert.Throws <ArgumentException>(() => conv.ConvertFromRomanNumeralToInt(""));
StringAssert.Contains("is empty", ex.Message);
}
public void ConvertFromRomanNumeralToInt_ValidRomanNumerals_ReturnsInt(string romanNumeral, int expected)
{
RomanNumeralsConverter conv = new RomanNumeralsConverter();
int result = conv.ConvertFromRomanNumeralToInt(romanNumeral);
Assert.AreEqual(expected, result);
}