Example of installing and judging triangles using Junit, hamacrest, and Eclemma

1, installation

Download the JUnit and hamacrest jar packages

Select Help->eclipse marketplace-> Search eclemma,install;

2, add JUnit and Hamacrest jar packages after new project

3. Create a test class

Two code folders, create a package with the same name, SRC write a procedure to determine the type of triangle, test write using JUnit code

4, test the code

The Setup method is executed before any method is executed, preceded by a @before

Adding @test before a function means that the method is a unit test

The code being tested is as follows:

　　

Package Softwaretest;public class Triangle {//is equilateral triangle, is return 1, not return 2, cannot form a triangle return 0public int isequ (int a, int b,int c) {          int r=0;        if ((a+b<=c) | | | (b+c<=a) | | (a+c<=b)) {r=0;} Else{if (a==b&&a==c) {r=1;} else{r=2;}} return r;    } Whether for isosceles Triangle, is to return 1, not return 2, cannot form a triangle return 0public int isiso (int a, int b,int c) {          int r=0;        if ((a+b<=c) | | | (b+c<=a) | | (a+c<=b)) {r=0;} Else{if (a==b| | a==c| | B==C) {r=1;} else{r=2;}} return r;    } Whether it is not equilateral triangle, is returning 1, not returning 2, cannot form a triangle return 0public int Issca (int a, int b,int c) {int r=0;if ((a+b<=c) | | (b+c<=a) | | (a+c<=b)) {r=0;} Else{if (a!=b&&a!=c&&b!=c) {r=1;} else{r=2;}} return r;    }}

　　

The test code looks like this:

Package Softwaretest;import Org.junit.Before;  Import Org.junit.Test;  Static import of the import  static org.junit.assert.*;  public class Testtriangle {private Triangle tri;//executes any method before executing the Setup method      @Before public      void SetUp () {          tri = New Triangle ();      }        @Test public      void testisequ () {                assertequals ("Judging equilateral triangle problems", 1, tri.isequ (2, 2, 2));      }    @Test public      void Testisiso () {                assertequals ("Judging equilateral triangle problems", 1, Tri.isiso (2, 2, 3));      }    @Test public      void Testissca () {                assertequals ("Judging equilateral triangle problems", 0, Tri.issca (1, 2, 3));}      }

5, test results

Code Coverage Report:

Example of installing and judging triangles using Junit, hamacrest, and Eclemma