public void TestSumOfPowers()
{
Random ran = new Random(DateTime.Now.Millisecond);
int index = ran.Next(1000);
Assert.AreEqual(MathSeries.SumOfPowers((uint)index, 2), ((double)(index * (index + 1) * (2 * index + 1))) / 6);
Assert.AreEqual(MathSeries.SumOfPowers((uint)index, 3), (Math.Pow(((index + 1) * index) / 2, 2)));
}
public void TestFibonacci()
{
Assert.AreEqual(MathSeries.Fibonacci(0).Min(), 1);
Assert.AreEqual(MathSeries.Fibonacci(0).Max(), 1);
Assert.ThrowsException <ArgumentOutOfRangeException>(() => MathSeries.Fibonacci(-1).Min());
}
