[InlineData("CIXI", 110)] // shouldn't work
public void Test_Combined_Characters(string value, int expected)
{
var cut = new RomanNumeralsConverter();
var actual = cut.ConvertSubtractionRule(value);
Assert.Equal(expected, actual);
}
public void Should_raise_error_because_of_wrong_order(string value)
{
var cut = new RomanNumeralsConverter();
var actual = Assert.Throws <ArgumentOutOfRangeException>(() =>
cut.ConvertSubtractionRule(value));
Assert.Contains("Wrong order", actual.Message);
Assert.Equal("IXC", actual.ActualValue?.ToString());
}
