public void CharacterConverter_TryInvalidCharacter([Values('(', '*', '!', '@')] char input)
{
Assert.Throws <FormatException>(() => CharacterConverter.ConvertCharacterToInt(input));
}
public void CharacterConverter_TestConversion(char input, int expectedOutput)
{
var output = CharacterConverter.ConvertCharacterToInt(input);
Assert.AreEqual(expectedOutput, output);
}