package UnitTest.AlgorithmTest.mathTest;

import Algorithm.math.BitCount;
import org.junit.Test;

/**
 * @author 蔚蔚樱
 * @version 1.0
 * @date 2020/11/30
 * @author—Email micromicrohard@outlook.com
 * @blogURL https://blog.csdn.net/Micro_Micro_Hard
 * @description 计算bit位 测试案例
 */
public class BitCountTest {

    BitCount bitcount = new BitCount();

    @Test
    public void testmethod() {
        //-1 包括符号位，一共32个1
        int i = -1;
        int count = bitcount.bitCountComplementMethod1(i);
        assert  count == 32;
        count = bitcount.bitCountComplementMethod2(i);
        assert count == 32;
        count = bitcount.bitCountComplementMethod3(i);
        assert count == 32;

        //7，一共3个1
        i = 7;
        count = bitcount.bitCountComplementMethod1(i);
        assert  count == 3;
        count = bitcount.bitCountComplementMethod2(i);
        assert count == 3;
        count = bitcount.bitCountComplementMethod3(i);
        assert count == 3;


    }
}