public void ConvertToRoman_Negative_Input_Throws_ArgumentOutOfRangeException()
{
// Arrange
int negativeInput = -1;
// Act & Assert
Assert.ThrowsException <ArgumentOutOfRangeException>(() => Roman.ConvertToRoman(negativeInput));
}
static void Main(string[] args)
{
while (true)
{
try
{
Console.WriteLine("Please enter a valid integer in the range of 1 - 3999");
Console.WriteLine(Roman.ConvertToRoman(int.Parse(Console.ReadLine())));
}
catch
{
Console.WriteLine("Invalid input, please try again");
}
}
}
public void ConvertToRoman_500_D()
{
// Act & Assert
Assert.AreEqual("D ", Roman.ConvertToRoman(500));
}
public void ConvertToRoman_9_IX()
{
// Act & Assert
Assert.AreEqual("IX ", Roman.ConvertToRoman(9));
}
public void ConverToRoman_100_C()
{
// Act & Assert
Assert.AreEqual("C ", Roman.ConvertToRoman(100));
}
public void ConverToRoman_400_CD()
{
// Act & Assert
Assert.AreEqual("CD ", Roman.ConvertToRoman(400));
}
public void ConvertToRoman_50_L()
{
// Act & Assert
Assert.AreEqual("L ", Roman.ConvertToRoman(50));
}
public void ConvertToRoman_90_XC()
{
// Act & Assert
Assert.AreEqual("XC ", Roman.ConvertToRoman(90));
}
public void ConvertToRoman_10_X()
{
// Act & Assert
Assert.AreEqual("X ", Roman.ConvertToRoman(10));
}
public void ConvertToRoman_40_XL()
{
// Act & Assert
Assert.AreEqual("XL ", Roman.ConvertToRoman(40));
}
public void ConvertToRoman_5_V()
{
// Act & Assert
Assert.AreEqual("V ", Roman.ConvertToRoman(5));
}
public void ConvertToRoman_900_CM()
{
// Act & Assert
Assert.AreEqual("CM ", Roman.ConvertToRoman(900));
}
public void ConvertToRoman_4_IV()
{
// Act & Assert
Assert.AreEqual("IV ", Roman.ConvertToRoman(4));
}
public void ConvertToRoman_1_I()
{
// Act & Assert
Assert.AreEqual("I ", Roman.ConvertToRoman(1));
}
public void ConverToRoman_0_EmptyString()
{
// Act & Assert
Assert.AreEqual(string.Empty, Roman.ConvertToRoman(0));
}
public void ConvertToRoman_3999_MMMCMXCIX()
{
// Act & Assert
Assert.AreEqual("M M M CM XC IX ", Roman.ConvertToRoman(3999));
}
public void ConvertToRoman_444_CDXLIV()
{
// Act & Assert
Assert.AreEqual("CD XL IV ", Roman.ConvertToRoman(444));
}