public void IsPalindromeDP()
 {
     Assert.IsTrue(Problem121.IsPalindromeDP("waterrfetawx", 2));
     Assert.IsFalse(Problem121.IsPalindromeDP("waterrfetawx", 1));
     Assert.IsTrue(Problem121.IsPalindromeDP("", 3));
     Assert.IsTrue(Problem121.IsPalindromeDP(null, 0));
 }
 public void TestIsPalindromeNaive()
 {
     Assert.IsTrue(Problem121.IsPalindromeNaive("waterrfetawx", 2));
     Assert.IsFalse(Problem121.IsPalindromeNaive("waterrfetawx", 1));
     Assert.IsTrue(Problem121.IsPalindromeNaive("", 3));
     Assert.IsTrue(Problem121.IsPalindromeNaive(null, 0));
 }