public void TestRecursiveExponent(int num, int exponent, int expected)
 {
     Assert.Equal(expected, RecursiveMath.RecursiveExponent(num, exponent));
 }
 public void TestRecursiveExponent()
 {
     Assert.Equal(1, RecursiveMath.RecursiveExponent(5, 0));
     Assert.Equal(5, RecursiveMath.RecursiveExponent(5, 1));
     Assert.Equal(16, RecursiveMath.RecursiveExponent(2, 4));
 }