public void CalculateFibonacci_ThrowsBeforeArithmeticOverflow()
{
// Arrange
WhoIsThereService sut = new WhoIsThereService();
// Act
// Assert
Assert.Throws(typeof(ArgumentException), () => sut.CalculateFibonacci(93));
}
public void CalculateFibonacci_ReturnsCorrectResult(int fibNum, long expectedResult)
{
// Arrange
WhoIsThereService sut = new WhoIsThereService();
// Act
long result = sut.CalculateFibonacci(fibNum);
// Assert
Assert.That(result, Is.EqualTo(expectedResult));
}
