import java.util.Calendar;    
 
public class Checker {    
private Environmental env;    
public Checker(Environmental env) {    
this.env = env;    
      }    
public void reminder() {    
         Calendar cal = Calendar.getInstance();    
         cal.setTimeInMills(env.getTime());    
int hour = cal.get(Calendar.HOUR_OF_DAY);    
if(hour >= 17) {    
            env.playWavFile("quit_whistle.wav");    
         }    
      }    
}

import java.util.Calendar;    
import junit.framework.TestCase;    
 
public class TestChecker extends TestCase {    
public void testQuittingTime() {    
            MockSystemEnvironment env = new MockSystemEnvironment();    
            Calendar cal = Calendar.getInstance();    
            cal.set(Calendar.YEAR, 2006);    
            cal.set(Calendar.MONTH, 11);    
            cal.set(Calendar.DAY_OF_MONTH,7);    
            cal.set(Calendar.HOUR_OF_DAY, 16);   

            cal.set(Calendar.MINUTE, 55);    
long t1 = cal.getTimeInMillis();    
            env.setTime(t1);    
            Checker checker = new Checker(env);    
            checker.reminder();    
            assertFalse(env.wavWasPlayed());    
             t1 += (5*60*1000);    
            env.setTime(t1);    
            checker.reminder();    
            assertTrue(env.wavWasPlayed());    
            env.resetWav();    
            t1 += 2*60*60*1000;    
            env.setTime(t1);    
            checker.reminder();    
           assertTrue(env.wavWasPlayed());    
      }    
}

import org.easymock.*;    
import junit.framework.*;    
import javax.servlet.http.*;    
 
public class MockRequestTest extends TestCase{    
private MockControl control;    
private HttpServletRequest mockRequest;    
public void testMockRequest(){    
//创建一个Mock HttpServletRequest的MockControl对象 
         control = MockControl.createControl(HttpServletRequest.class);      
//获取一个Mock HttpServletRequest对象 
         mockRequest = (HttpServletRequest) control.getMock();    
//设置期望调用的Mock HttpServletRequest对象的方法 
         mockRequest.getParameter("name");    
//设置调用方法期望的返回值，并指定调用次数 
//以下后两个参数表示最少调用一次，最多调用一次 
         control.setReturnValue("kongxx" ,1 ,1);           
//设置Mock HttpServletRequest的状态， 
//表示此Mock HttpServletRequest对象可以被使用 
         control.replay();    
//使用断言检查调用 
         assertEquals("kongxx",mockRequest.getParameter("name"));    
//验证期望的调用 
         control.verify();    
     }    
}