实验名称

Junit and Eclemma

实验目标

Install Junit and write a Java program with it.

实验内容

1.Install Junit(4.12), Hamcrest(1.3) with Eclipse

2.Install Eclemma with Eclipse

3.Write a java program for the triangle problem and test the program with Junit.

Description of triangle problem:

Function triangle takes three integers a,b,c which are length of triangle sides; calculates whether the triangle is equilateral, isosceles, or scalene.

实验步骤

1.下载安装Junit、hamcrest and eclemma

2.Write a java program for the triangle problem and test the program with Junit.

code：

1 package lab1; 2  3 public class Triangle {     4     public static String triangleshape(int a,int b, int c){         5         if(a == b && a == c && b == c){ 6             return "equilateral"; 7         } 8         else if(a == b || a == c || b == c){ 9             return "isosceles";10         }11         else{12             return "scalene";13         }      14     }    15 }

1 package lab1; 2  3 import static org.junit.Assert.*; 4 import java.util.Arrays; 5 import java.util.Collection; 6 import org.junit.Test; 7 import org.junit.runner.RunWith; 8 import org.junit.runners.Parameterized; 9 import org.junit.runners.Parameterized.Parameters;10 11 @RunWith(Parameterized.class)12 public class Testing {13 14     private int a;15     private int b;16     private int c;17     private String expected;18     private String result = null;19     20     public Testing(int a,int b, int c, String expected){21         this.a = a;22         this.b = b;23         this.c = c;24         this.expected= expected;       25     }26     27     @Parameters28     public static Collection
     
       getData(){29     return Arrays.asList(new Object[][]{30     {1,1,1,"equilateral"},31     {2,3,4,"scalene"},32     {3,5,5,"isosceles"},33     {6,6,8,"isosceles"}34     });35     }36     37     @Test38     public void test() {39     assertEquals(this.expected,Triangle.triangleshape(a,b,c));40     }41
     

3、run