package com.thealgorithms.bitmanipulation; import static org.junit.jupiter.api.Assertions.assertEquals; import org.junit.jupiter.api.Test; public class CountSetBitsTest { @Test void testSetBits() { CountSetBits csb = new CountSetBits(); assertEquals(1L, csb.countSetBits(16)); assertEquals(4, csb.countSetBits(15)); assertEquals(5, csb.countSetBits(10000)); assertEquals(5, csb.countSetBits(31)); } }