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 exceptionSystem.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 {@BeforeClasspublic static void setUpBeforeClass() throws Exception {}@AfterClasspublic static void tearDownAfterClass() throws Exception {}@Beforepublic void setUp() throws Exception {}@Afterpublic 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"); }  }