public void GetNthFibonacci_TestWith50()
{
BigInteger[] result =
{
0, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144, 233, 377, 610, 987, 1597, 2584, 4181, 6765, 10946, 17711,
28657, 46368, 75025, 121393, 196418, 317811, 514229, 832040, 1346269, 2178309, 3524578, 5702887,
9227465, 14930352, 24157817, 39088169, 63245986, 102334155, 165580141, 267914296, 433494437, 701408733,
1134903170, 1836311903, 2971215073, 4807526976, 7778742049
};
CollectionAssert.AreEqual(result, FibonacciFinder.GetNthFibonacci(50));
}
public void GetNthFibonacci_TestWith1()
{
CollectionAssert.AreEqual(new BigInteger[] { 0 }, FibonacciFinder.GetNthFibonacci(1));
}
public void GetNthFibonacci_TestWithNegative()
{
Assert.Throws <ArgumentOutOfRangeException>(() => FibonacciFinder.GetNthFibonacci(-5));
}