package palindrome; import org.junit.jupiter.api.*; import static org.assertj.core.api.Assertions.assertThat; public class PalindromeTest { @Test void testEmptyString() { assertThat(Palindrome.isPalindrome("")).isTrue(); } @Test void testEvenLengthFalse() { assertThat(Palindrome.isPalindrome("abcd")).isFalse(); } @Test void testEvenLengthTrue() { assertThat(Palindrome.isPalindrome("abba")).isTrue(); } @Test void testOddLengthTrue() { assertThat(Palindrome.isPalindrome("aba")).isTrue(); } }