自己的第二个junit的例子

package com.xinnuo.daos;

	/** 
	 * @author bimingwei
	 * @描述：一个整数除法和乘法的工具类 
	 */  
	public class Math {  
	    public static int divide(int x,int y) {  
	        try{ return x/y;  }
	        catch (Exception e) {
				// TODO: handle exception
			System.out.println("出错");
	        }
	        return x/y; 
	    }  
	  
	    public static int multiple(int x,int y) {  
	        return x*y;  
	    }  
	}  

package com.xinnuo.daos;


import org.junit.After;
import org.junit.Ignore;
import org.junit.AfterClass;
import org.junit.Before;
import org.junit.BeforeClass;
import static org.junit.Assert.*;
import org.junit.Test;

public class MathTest {

	@BeforeClass
	public static void setUpBeforeClass() throws Exception {
	}

	@AfterClass
	public static void tearDownAfterClass() throws Exception {
	}

	@Before
	public void setUp() throws Exception {
	}

	@After
	public void tearDown() throws Exception {
	}
	
	
		@Test//在这个位置加上(expected=ArithmeticException.class)的话，会一直显示test成功
		public void testDivide() {  
		    assertEquals(3,Math.divide(9,3));  
		    assertEquals(3,Math.divide(10,3));  
		    Math.divide(10,0); //除数不能为0，会抛出异常  
		} 
			@Ignore("忽略乘法测试")  
			@Test  
			public void testMultiple() {  
				 fail("Not yet implemented"); 
			}  



}