public void Add_UnknownAmountOfNumbers_ReturnsSumOfTheNumbers(string numbers, int expected)
{
var calculator = new StringCalculator();
int result = calculator.Add(numbers);
Assert.AreEqual(expected,result);
}
public void Add_OneNumber_ReturnsSameNumber(string numbers, int expected)
{
var calculator = new StringCalculator();
int result = calculator.Add(numbers);
Assert.AreEqual(expected,result);
}
public void Add_TwoNumbers_RetunsSumOfTwoNumbers(string numbers, int expected)
{
var calculator = new StringCalculator();
int result = calculator.Add(numbers);
Assert.AreEqual(expected,result);
}
public void Add_NumbersSeparatedByNewLinesAndCommas_ReturnsSumOfTwoNumbers(string numbers, int expected)
{
var calculator = new StringCalculator();
int result = calculator.Add(numbers);
Assert.AreEqual(expected, result);
}
public void Add_NumbersSeparatedByDifferentDelimiters_ReturnsSumOfTheNumbers(string numbers, int expected)
{
var calculator = new StringCalculator();
int result = calculator.Add(numbers);
Assert.AreEqual(expected, result);
}
public void Add_NumbersGreaterThan1000_NumbersShouldBeIgnored(string numbers, int expected)
{
var calculator = new StringCalculator();
int result = calculator.Add(numbers);
Assert.AreEqual(expected,result);
}
public void Add_NegativeNumbers_ThrowsArgumentException(string numbers)
{
var calculator = new StringCalculator();
var exception = Assert.Throws<ArgumentException>(() => calculator.Add(numbers));
Assert.That(exception.Message, Is.EqualTo(string.Format("Negatives not allowed: -1,-2,-5")));
}
public void Add_EmptyString_ReturnsZero()
{
var calculator = new StringCalculator();
int result = calculator.Add(string.Empty);
Assert.AreEqual(0,result);
}