实验二+101+谢艳敏

 1 public class GetData {
 2 
 3     public static char triangle(int a, int b, int c) {
 4         if(a<=b+c ||b<=a+c || c<=a+b)
 5         {
 6             if ((a==b)&& (b==c)&&(c==a)) {
 7                 return ‘1‘;
 8             }else if ((a==b) || (b==c) || (a==c)) {
 9                 return ‘2‘;
10             }else if (a*a+b*b==c*c || b*b+c*c==a*a || a*a+c*c==b*b) {
11                 return ‘3‘;
12             }else {
13                 return ‘4‘;
14             }
15         }else 
16         {
17             return ‘5‘;
18         }
19     }    
20 }
21 
22 
23 import java.util.Scanner;
24 
25 public class Main {
26     static String equaltrianger = "等边三角形";
27     static String isotrianger = "等腰三角形";
28     static String comtrianger = "一般三角形";
29     static String rigtrianger = "直角三角形";
30     static String sidewrong = "边值不存在";
31     static String noconstruct = "不构成三角形";
32     
33     public static void main(String[] args) {
34         char resulet = ‘ ‘;
35         System.out.println(" 1 进行三角形判断操作");
36         System.out.println(" x 退出程序");
37             
38         while(true)
39         {
40             Scanner sc = new Scanner(System.in);    
41             String temp =sc.nextLine(); 
42             
43             switch (temp)
44             {
45                 case "1":{ 
46                     System.out.println("请输入三角形的三条边：");
47                     try {
48                         
49                         Scanner sca = new Scanner(System.in);
50                         int a = sca.nextInt();
51                         Scanner scb = new Scanner(System.in);
52                         int b = scb.nextInt();
53                         Scanner scc = new Scanner(System.in);
54                         int c = scc.nextInt();
55                         if (a<1 || a>100 || b<1 || b>100 || c<1 || c>100) {
56                             System.out.println("边值不存在！");
57                         }else {
58                             resulet =  GetData.triangle(a, b, c);
59                         if (resulet == ‘1‘) {
60                             System.out.println(equaltrianger);
61                         }else if (resulet == ‘2‘) {
62                             System.out.println(isotrianger);
63                         }else if (resulet == ‘3‘) {
64                             System.out.println(rigtrianger);
65                         }else if (resulet == ‘4‘) {
66                             System.out.println(comtrianger);
67                         }else {
68                             System.out.println(noconstruct);
69                             }
70                         }
71                         
72                         System.out.println(" 1 进行三角形判断操作");
73                         System.out.println(" x 退出程序");                            
74                         break;
75                         } catch (Exception e) {
76                             System.out.println("请输入正确的边值！");
77                             System.out.println(" 1 进行三角形判断操作");
78                             System.out.println(" x 退出程序");
79                             break;
80                         }    
81                     }
82                 
83             case "x": 
84                 System.exit(1);
85             default:
86                 System.out.println("请选择正确的操作！") ; 
87             }
88         }        
89     }
90 }

package triangle01;

import static org.junit.Assert.*;

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

public class GetDataTest {

    @Before
    public void setUp() throws Exception {
    }

    public String change(char c) {
        switch (c) {
        case ‘1‘:
            return "等边三角形";

        case ‘2‘:
            return "等腰三角形";

        case ‘3‘:
            return "直角三角形";

        case ‘4‘:
            return "一般三角形";

        case ‘5‘:
            return "不构成三角形";

        default:
            break;

        }
        return null;
    }

    //语句覆盖、分支覆盖、路径覆盖
    @Test
    public void test() {
        String s1 = change(GetData.triangle(3, 4, 5));
        assertEquals("直角三角形", s1);
        String s2 = change(GetData.triangle(3, 7, 5));
        assertEquals("一般三角形", s2);
        String s3 = change(GetData.triangle(3, 1, 7));
        assertEquals("不构成三角形", s3);
        String s4 = change(GetData.triangle(3, 3, 3));
         assertEquals("等边三角形", s4);
         String s5 = change(GetData.triangle(3, 1, 1));
        assertEquals("等腰三角形", s5);
    }

}

package triangle01;


import static org.junit.Assert.*;

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 GetDataParamTest {

    private int param1;
    private int param2;
    private int param3;
    private String result;
    
    GetData triangle = new GetData();
    //把被测代码所返回的字符类型转换为字符串类型
    public String change(char c) {
        switch (c) {
        case ‘1‘:
            return "等边三角形";

        case ‘2‘:
            return "等腰三角形";

        case ‘3‘:
            return "直角三角形";

        case ‘4‘:
            return "一般三角形";

        case ‘5‘:
            return "不构成三角形";

        default:
            break;

        }
        return null;
    }
    
    @Parameters
    public static Collection data(){
        return Arrays.asList(new Object[][]{
            {3, 1, 7,"不构成三角形"},
            {3, 3, 3,"等边三角形"},
            {3, 1, 3,"等腰三角形"},
            {3, 4, 5,"直角三角形"},
            {3, 7, 5,"一般三角形"}
            
        });
    }
    
    public GetDataParamTest(int param1,int param2,int param3,String result){
        this.param1 = param1;
        this.param2 = param2;
        this.param3 = param3;
        this.result = result;
    }
    
    @Test
    public void testParam(){
        String rs = change(triangle.triangle(param1, param2, param3));
        assertEquals(rs,result);
    }

}

package triangle01;

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


@RunWith(Suite.class)
@Suite.SuiteClasses(
        {
            GetDataTest.class,
            GetDataParamTest.class,
        
        })

public class AllTriangleTest {


}