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src/test/java/com/thealgorithms/bitmanipulation/SwapAdjacentBitsTest.java
29 строк
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Hardik Pawar
Enhance docs, add more tests in `SwapAdjacentBits` (#5861)
29 окт 2024, 21:12
Не верифицирован
29 окт 2024, 21:12
54567e2
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package com.thealgorithms.bitmanipulation; import static org.junit.jupiter.api.Assertions.assertEquals; import org.junit.jupiter.params.ParameterizedTest; import org.junit.jupiter.params.provider.CsvSource; class SwapAdjacentBitsTest { @ParameterizedTest @CsvSource({"2, 1", // 2 (binary: 10) -> 1 (binary: 01) "43, 23", // 43 (binary: 101011) -> 23 (binary: 010111) "153, 102", // 153 (binary: 10011001) -> 102 (binary: 01100110) "15, 15", // 15 (binary: 1111) -> 15 (binary: 1111) (no change) "0, 0", // 0 (binary: 0000) -> 0 (binary: 0000) (no change) "1, 2", // 1 (binary: 01) -> 2 (binary: 10) "170, 85", // 170 (binary: 10101010) -> 85 (binary: 01010101) "85, 170", // 85 (binary: 01010101) -> 170 (binary: 10101010) "255, 255", // 255 (binary: 11111111) -> 255 (binary: 11111111) (no change) "128, 64", // 128 (binary: 10000000) -> 64 (binary: 01000000) "1024, 2048", "-1, -1", // -1 (all bits 1) remains -1 (no change due to two's complement) "-2, -3", // -2 (binary: ...1110) -> -3 (binary: ...1101) "2147483647, -1073741825", "-2147483648, -1073741824"}) void testSwapAdjacentBits(int input, int expected) { assertEquals(expected, SwapAdjacentBits.swapAdjacentBits(input)); } }