实验二+070+胡阳洋

import java.util.Scanner;

public class Commission {

    public static double commission(int headphone, int shell, int protector) {
        double back = 0;
        float sum = 0;
        sum = headphone * 80 + shell * 10 + protector * 8;
        if (sum < 1000) {
            back = sum * 0.1; // 小于1000时所抽取的佣金
        } else if (sum >= 1000 && sum <= 1800) {
            back = 100 + (sum - 1000) * 0.15;// 计算1000--1800的佣金
        } else if (sum >= 1800) {
            back = 220 + (sum - 1800) * 0.2;// 1800以上的佣金
        }

        return back;
    }

    static int tu(String a) {
        int back;
        char a_c[] = a.toCharArray();
        int len = a.length();

        for (int i = 0; i <= len - 1; i++) // 逐个检查是否为数字，小数点同样不通过
        {
            if (a_c[i] > ‘9‘ || a_c[i] < ‘0‘) {
                back = -1;
                return back;
            }
        }

        back = Integer.parseInt(a);
        return back;

    }

    public static void main(String[] args) {
        int pass = 0;// 设置初始判断循环是否通过的值
        String headphone;
        String shell;
        String protector;
        @SuppressWarnings("resource")
        Scanner s = new Scanner(System.in);
        int headphone_i = 0;
        int shell_i = 0;
        int protector_i = 0;
        double back;
        while (pass == 0) {
            System.out.printf("请分别输入三种手机配件的销售情况:\n");
            while (pass == 0) {
                System.out.printf("请输入耳机的销售数量:（输入exit退出）\n");
                headphone = s.next();
                if (headphone.equals("exit") == true) {
                    System.exit(0);
                } else if (tu(headphone) == -1) {
                    System.out.printf("输入的数据不合法,请重新输入!\n");
                    continue;
                } else {
                    headphone_i = tu(headphone);
                    break;
                }
            }
            while (pass == 0) {
                System.out.printf("请输入手机外壳的销售数量:\n");
                shell = s.next();
                if (tu(shell) == -1) {
                    System.out.printf("输入的数据不合法,请重新输入!\n");
                    continue;
                } else {
                    shell_i = tu(shell);
                    break;
                }
            }
            while (pass == 0) {
                System.out.printf("请输入手机护膜的销售数量:\n");
                protector = s.next();
                if (tu(protector) == -1) {
                    System.out.printf("输入的数据不合法,请重新输入!\n");
                    continue;
                } else {
                    protector_i = tu(protector);
                    break;
                }
            }
            back = commission(headphone_i, shell_i, protector_i);
            System.out.println("佣金为:" + back + "\n");
        }

    }
}

import static org.junit.Assert.*;

import org.junit.After;
import org.junit.Before;
import org.junit.Test;


public class CommissionTest {
    Commission com = new Commission();
    @Before
    public void setUp() throws Exception {
    }

    @After
    public void tearDown() throws Exception {
    }

    @Test
    public void testCommission() {
         assertEquals(9.8,Commission.commission(1, 1, 1),0.00001);
         assertEquals(105.7, com.commission(10, 19, 6),0.00001);
         assertEquals(393.6, com.commission(32, 10, 1),0.00001);
         assertEquals(0,Commission.commission(0, 0, 0),0.00001);
         assertEquals(106, com.commission(10, 20, 5),0.00001);
         assertEquals(260, com.commission(20, 40, 0),0.00001);
    }
}

import static org.junit.Assert.assertEquals;

import java.util.Arrays;
import java.util.Collection;

import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.Parameterized;
import org.junit.runners.Parameterized.Parameters;

@RunWith(Parameterized.class)
public class ParameterizedTest{
    Commission com;
    private int headphone;
    private int shell;
    private int protector;
    private double result;
    
    @Parameters
    public static Collection data(){
        return Arrays.asList(
            new Object[][]{
                {0, 0, 0, 0},
                {10, 19, 6, 105.7},
                {32, 10, 1, 393.6},
                {1, 1, 1, 9.8},
                {10, 20, 5, 106},
                {20, 40, 0, 260},
            }
        );
    }

     

    public ParameterizedTest(int headphone,int shell,int protector,double result){
        com=new Commission();
        this.headphone=headphone;
        this.shell=shell;
        this.protector=protector;
        this.result=result;
    }

    @Test
    public void testCommission() {
         assertEquals(result,com.commission(headphone, shell, protector), 0.00001);
    }
}

import org.junit.runner.RunWith;
import org.junit.runners.Suite;

@RunWith(Suite.class)
@Suite.SuiteClasses({CommissionTest.class, ParameterizedTest.class})
public class AllCommissionTest {

}