public void TestCalculateNewIndexException()
 {
     Assert.Throws <ArgumentException>(
         () => CyclicRotation.CalculateNewIndex(5, 1, 3));
 }
 public void TestCalculateLength(int expected, int index, int K, int Length)
 {
     Assert.Equal(expected, CyclicRotation.CalculateNewIndex(index, K, Length));
 }