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src/test/java/com/thealgorithms/bitmanipulation/NumbersDifferentSignsTest.java
46 строк
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Hardik Pawar
Enhance docs, add more tests in `NumbersDifferentSigns` (#5858)
26 окт 2024, 12:05
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26 окт 2024, 12:05
b0cef5b
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package com.thealgorithms.bitmanipulation; import static org.junit.jupiter.api.Assertions.assertFalse; import static org.junit.jupiter.api.Assertions.assertTrue; import java.util.stream.Stream; import org.junit.jupiter.params.ParameterizedTest; import org.junit.jupiter.params.provider.Arguments; import org.junit.jupiter.params.provider.MethodSource; /** * Parameterized tests for NumbersDifferentSigns class, which checks * if two integers have different signs using bitwise XOR. * * @author Bama Charan Chhandogi */ class NumbersDifferentSignsTest { @ParameterizedTest @MethodSource("provideTestCases") void testDifferentSigns(int num1, int num2, boolean expected) { if (expected) { assertTrue(NumbersDifferentSigns.differentSigns(num1, num2)); } else { assertFalse(NumbersDifferentSigns.differentSigns(num1, num2)); } } private static Stream<Arguments> provideTestCases() { return Stream.of( // Different signs (positive and negative) Arguments.of(2, -1, Boolean.TRUE), Arguments.of(-3, 7, Boolean.TRUE), // Same signs (both positive) Arguments.of(10, 20, Boolean.FALSE), Arguments.of(0, 5, Boolean.FALSE), // 0 is considered non-negative // Same signs (both negative) Arguments.of(-5, -8, Boolean.FALSE), // Edge case: Large positive and negative values Arguments.of(Integer.MAX_VALUE, Integer.MIN_VALUE, Boolean.TRUE), // Edge case: Same number (positive and negative) Arguments.of(-42, -42, Boolean.FALSE), Arguments.of(42, 42, Boolean.FALSE)); } }