public void CalculateFactorial_PositiveInteger_ReturnsFactorialOfArgument(int testIndex, int expectedResult)
{
var result = ClassicRecursion.CalculateFactorial(testIndex);
Assert.AreEqual(expectedResult, result);
}
public void CalculateFactorial_NegativeNumber_ThrowsArgumentOutOfRangeException(int outOfRangeTestIndex)
{
Assert.ThrowsException <ArgumentOutOfRangeException>(() => ClassicRecursion.CalculateFactorial(outOfRangeTestIndex));
}
public void GetFibonacciNumber_WhenCalled_ReturnsFibonacciNumber(int testIndex, int expectedResult)
{
var result = ClassicRecursion.GetFibonacciNumber(testIndex);
Assert.AreEqual(expectedResult, result);
}