LongestPalindromicSubstringTest.java

packagecom.thealgorithms.strings;

importstaticorg.junit.jupiter.api.Assertions.assertEquals;

importjava.util.stream.Stream;
importorg.junit.jupiter.params.ParameterizedTest;
importorg.junit.jupiter.params.provider.Arguments;
importorg.junit.jupiter.params.provider.MethodSource;

classLongestPalindromicSubstringTest {

@ParameterizedTest
@MethodSource("provideTestCasesForLongestPalindrome")
voidtestLongestPalindrome(Stringinput, Stringexpected) {
assertEquals(expected, LongestPalindromicSubstring.longestPalindrome(input));
 }

privatestaticStream<Arguments> provideTestCasesForLongestPalindrome() {
returnStream.of(Arguments.of("babad", "bab"), Arguments.of("cbbd", "bb"), Arguments.of("a", "a"), Arguments.of("", ""), Arguments.of("abc", "a"), Arguments.of(null, ""), Arguments.of("aaaaa", "aaaaa"));
 }
}