public void ShouldGenerateFibbonacciSequence()
{
CollectionAssert.AreEqual(new List <int>()
{
1, 1, 2, 3, 5
}, PEUtils.fibSeq.Take(5).ToList());
CollectionAssert.AreEqual(new List <int>()
{
1, 1, 2, 3, 5
}, PEUtils.firstNFibs(5).ToList());
CollectionAssert.AreEqual(First20ElementsOfFibonacciSequence(), PEUtils.fibSeq.Take(20).ToList());
CollectionAssert.AreEqual(First20ElementsOfFibonacciSequence(), PEUtils.firstNFibs(20).ToList());
}