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src/test/java/com/thealgorithms/stacks/NextGreaterElementTest.java
29 строк
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Alex Klymenko
refactor: `NextGreaterElement` (#5405)
27 авг 2024, 11:39
Не верифицирован
27 авг 2024, 11:39
c8cf302
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package com.thealgorithms.stacks; import static org.junit.jupiter.api.Assertions.assertArrayEquals; import static org.junit.jupiter.api.Assertions.assertThrows; import java.util.stream.Stream; import org.junit.jupiter.api.Test; import org.junit.jupiter.params.ParameterizedTest; import org.junit.jupiter.params.provider.Arguments; import org.junit.jupiter.params.provider.MethodSource; class NextGreaterElementTest { @ParameterizedTest @MethodSource("provideTestCases") void testFindNextGreaterElements(int[] input, int[] expected) { assertArrayEquals(expected, NextGreaterElement.findNextGreaterElements(input)); } static Stream<Arguments> provideTestCases() { return Stream.of(Arguments.of(new int[] {2, 7, 3, 5, 4, 6, 8}, new int[] {7, 8, 5, 6, 6, 8, 0}), Arguments.of(new int[] {5}, new int[] {0}), Arguments.of(new int[] {1, 2, 3, 4, 5}, new int[] {2, 3, 4, 5, 0}), Arguments.of(new int[] {5, 4, 3, 2, 1}, new int[] {0, 0, 0, 0, 0}), Arguments.of(new int[] {4, 5, 2, 25}, new int[] {5, 25, 25, 0}), Arguments.of(new int[] {}, new int[] {})); } @Test void testNullInput() { assertThrows(IllegalArgumentException.class, () -> NextGreaterElement.findNextGreaterElements(null)); } }