public void Should_Return_Sum_Of_Arguments() { StringSumUtility ssu = new StringSumUtility(); var result = ssu.Sum("1", "2"); result.Should().Be("3"); }
public void Should_Return_Zero_If_Both_Nums_Not_Natural() { StringSumUtility ssu = new StringSumUtility(); var result = ssu.Sum("asd", "asd"); result.Should().Be("0"); }
public void Should_Return_One_Argument_If_Another_Is_Not_Natural() { StringSumUtility ssu = new StringSumUtility(); var result = ssu.Sum("asd", "13"); result.Should().Be("13"); }
public void Should_Throw_ArgumentException_If_Argument_Is_Whitespace() { StringSumUtility ssu = new StringSumUtility(); Action action = () => ssu.Sum(" ", "1"); action.Should().ThrowExactly <ArgumentException>(); }