public void If_the_input_only_one_string_is_null_result_equal_to_exeption()
{
var calculator = new LajtiStringCalculator();
Assert.Throws <InvalidOperationException>(() => calculator.Add("1,"));
}
public void If_Add_more_than_two_number_which_separated_by_coma_the_result_equal_to_exeption()
{
var calculator = new LajtiStringCalculator();
Assert.Throws <InvalidOperationException>(() => calculator.Add("1,2,3"));
}
public void If_the_input_string_contains_two_invalid_caracter_stacks_separated_by_coma_the_result_equal_to_exeption()
{
var calculator = new LajtiStringCalculator();
Assert.Throws <InvalidOperationException>(() => calculator.Add("23,dsadf"));
}
public void If_Add_two_number_which_separated_by_coma_the_result_is_the_sum_of_the_two_number()
{
var calculator = new LajtiStringCalculator();
Assert.That(calculator.Add("1,2"), Is.EqualTo(3));
}