JUnit 单元测试

package Junit;

public class testsample
{
   public String hello(String name)
   {
    return "hello "+name+"!";
   }
   public int plus(int a , int b)
   {
    return a+b;
   }
} 

-------------------------------------------------------------------------------------------------------------------------------------------------------package Junit;

import junit.framework.TestCase;

public class TestsampleTest extends TestCase {

    testsample sample = null ;
 protected void setUp() throws Exception {
  super.setUp();
  sample = new testsample();
 }

 protected void tearDown() throws Exception {
  super.tearDown();
 }

 public void testHello() {
  String ret = sample.hello("rongbin");
  this.assertEquals("hello method is not correct", "hello rongbin!", ret);
 }

 public void testPlus() {
  int ret = sample.plus(4, 6);
  this.assertEquals("plus method is not correct", 10, ret);
 }

}