public void IsPalindromePermutationTest_ReturnFalse(string str) { bool result = Question_1_4.IsPalindromePermutation(str); Assert.IsFalse(result, $"{str} is palindrome permutation."); result = Question_1_4.IsPalindromePermutationAlt1(str); Assert.IsFalse(result, $"{str} is palindrome permutation - alternative 1."); result = Question_1_4.IsPalindromePermutationAlt2(str); Assert.IsFalse(result, $"{str} is palindrome permutation - alternative 2."); }