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78 lines
3.6 KiB
Java
78 lines
3.6 KiB
Java
package com.thealgorithms.others;
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import static org.junit.jupiter.api.Assertions.assertEquals;
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import static org.junit.jupiter.api.Assertions.assertFalse;
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import static org.junit.jupiter.api.Assertions.assertTrue;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.List;
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import java.util.stream.Stream;
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import org.junit.jupiter.params.ParameterizedTest;
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import org.junit.jupiter.params.provider.Arguments;
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import org.junit.jupiter.params.provider.MethodSource;
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public class LowestBasePalindromeTest {
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@ParameterizedTest
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@MethodSource("provideListsForIsPalindromicPositive")
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public void testIsPalindromicPositive(List<Integer> list) {
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assertTrue(LowestBasePalindrome.isPalindromic(list));
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}
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@ParameterizedTest
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@MethodSource("provideListsForIsPalindromicNegative")
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public void testIsPalindromicNegative(List<Integer> list) {
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assertFalse(LowestBasePalindrome.isPalindromic(list));
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}
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@ParameterizedTest
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@MethodSource("provideNumbersAndBasesForIsPalindromicInBasePositive")
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public void testIsPalindromicInBasePositive(int number, int base) {
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assertTrue(LowestBasePalindrome.isPalindromicInBase(number, base));
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}
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@ParameterizedTest
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@MethodSource("provideNumbersAndBasesForIsPalindromicInBaseNegative")
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public void testIsPalindromicInBaseNegative(int number, int base) {
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assertFalse(LowestBasePalindrome.isPalindromicInBase(number, base));
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}
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@ParameterizedTest
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@MethodSource("provideNumbersAndBasesForExceptions")
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public void testIsPalindromicInBaseThrowsException(int number, int base) {
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org.junit.jupiter.api.Assertions.assertThrows(IllegalArgumentException.class, () -> LowestBasePalindrome.isPalindromicInBase(number, base));
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}
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@ParameterizedTest
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@MethodSource("provideNumbersForLowestBasePalindrome")
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public void testLowestBasePalindrome(int number, int expectedBase) {
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assertEquals(expectedBase, LowestBasePalindrome.lowestBasePalindrome(number));
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}
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private static Stream<Arguments> provideListsForIsPalindromicPositive() {
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return Stream.of(Arguments.of(new ArrayList<>()), Arguments.of(new ArrayList<>(List.of(1))), Arguments.of(new ArrayList<>(Arrays.asList(1, 1))), Arguments.of(new ArrayList<>(Arrays.asList(1, 2, 1))), Arguments.of(new ArrayList<>(Arrays.asList(1, 2, 2, 1))));
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}
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private static Stream<Arguments> provideListsForIsPalindromicNegative() {
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return Stream.of(Arguments.of(new ArrayList<>(Arrays.asList(1, 2))), Arguments.of(new ArrayList<>(Arrays.asList(1, 2, 1, 1))));
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}
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private static Stream<Arguments> provideNumbersAndBasesForIsPalindromicInBasePositive() {
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return Stream.of(Arguments.of(101, 10), Arguments.of(1, 190), Arguments.of(0, 11), Arguments.of(10101, 10), Arguments.of(23, 22));
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}
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private static Stream<Arguments> provideNumbersAndBasesForIsPalindromicInBaseNegative() {
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return Stream.of(Arguments.of(1010, 10), Arguments.of(123, 10));
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}
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private static Stream<Arguments> provideNumbersAndBasesForExceptions() {
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return Stream.of(Arguments.of(-1, 5), Arguments.of(10, 1));
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}
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private static Stream<Arguments> provideNumbersForLowestBasePalindrome() {
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return Stream.of(Arguments.of(0, 2), Arguments.of(1, 2), Arguments.of(2, 3), Arguments.of(3, 2), Arguments.of(10, 3), Arguments.of(11, 10), Arguments.of(15, 2), Arguments.of(39, 12), Arguments.of(44, 10), Arguments.of(58, 28), Arguments.of(69, 22), Arguments.of(79, 78), Arguments.of(87, 28),
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Arguments.of(90, 14), Arguments.of(5591, 37), Arguments.of(5895, 130), Arguments.of(9950, 198), Arguments.of(9974, 4986));
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}
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}
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