public void GetFibonacci_PassedNegative5_ThrowsExecption()
        {
            Exception exception = null;

            try
            {
                FibonacciIterative.GetFibonacci(-5);
            }
            catch (Exception ex)
            {
                exception = ex;
            }
            Assert.IsNotNull(exception);
        }
 public void GetFibonacci_Passed7_Returns13()
 {
     Assert.AreEqual(13, FibonacciIterative.GetFibonacci(7));
 }
 public void GetFibonacci_Passed2_Returns1()
 {
     Assert.AreEqual(1, FibonacciIterative.GetFibonacci(2));
 }
 public void GetFibonacci_Passed3_Returns2()
 {
     Assert.AreEqual(2, FibonacciIterative.GetFibonacci(3));
 }