public void Add_PassEmptyString_ReturnZero()
{
// arrange
var sut = new StringCalculatorApp();
// act
var result = sut.Add(string.Empty);
// assert
result.ShouldBe(0);
}
public void Add_PassOneNumber_ReturnSameNumber()
{
// arrange
var fixture = new Fixture();
int input = fixture.Create <int>();
string inputAsString = input.ToString();
var sut = new StringCalculatorApp();
// act
var result = sut.Add(inputAsString);
// assert
result.ShouldBe(input);
}
public void Add_PassTwoNumbers_ReturnSumOfThem()
{
// arrange
var fixture = new Fixture();
int number1 = fixture.Create <int>();
int number2 = fixture.Create <int>();
string input = $"{number1},{number2}";
var sut = new StringCalculatorApp();
// act
var result = sut.Add(input);
// assert
result.ShouldBe(number1 + number2);
}
public void Add_PassMultipleNumbers_ReturnsSumOfThem()
{
//Arrange
var fixture = new Fixture();
int numberOfElements = fixture.Create <int>();
var elements = fixture.CreateMany <int>(numberOfElements);
string input = string.Join(',', elements);
var sut = new StringCalculatorApp();
int expectedResult = elements.Sum();
//Act
var result = sut.Add(input);
//Assert
result.ShouldBe(expectedResult);
}
public Add()
{
_calc = new StringCalculatorApp();
}
