junit 3.8笔记

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需要测试的代码见 junit 4.0,完善下上次一个除法测试的代码

package JunitExample;public class DivideCalculate implements Calculate {@Overridepublic int invoke(int... i) {// TODO Auto-generated method stubint _i = i[0];for (int m = 1; m < i.length; m++) {if(i[m]==0){throw new ArithmeticException("除数不能为零");}
//若前面不判断,此处也会抛出异常,目的只是在测试的时候看到是上面的代码抛出的异常_i /= i[m];}return _i;}}



以下是junit3.8 测试代码:

1.除法测试

package JunitExample;import junit.framework.TestCase;/** junit 3 **/public class CalculateTest0 extends TestCase {public void testDivide1(){Calculate c=new DivideCalculate();int result=c.invoke(10,2);assertEquals(5,result);}public void testDivide2(){Throwable e=null;Calculate c=new DivideCalculate();try {c.invoke(10,0);fail();} catch (Exception er) {e=er;}assertNotNull(e);assertEquals(ArithmeticException.class, e.getClass());assertEquals("除数不能为零", e.getMessage());}}

2.乘法测试:

package JunitExample;import junit.framework.TestCase;import JunitExample.AddCalculate;import JunitExample.Calculate;import JunitExample.MultiplyCalculate;/** junit 3 **/public class CalculateTest1 extends TestCase {public void testAdd(){Calculate c=new AddCalculate();int result=c.invoke(2,3,4,5,2,-1,-5);assertEquals(10,result);}public void testMultiply(){Calculate c=new MultiplyCalculate();int result=c.invoke(2,3,4,5,2,-1,-5);assertEquals(1200,result);}}
3.将两个测试在一个类中执行,待续

package JunitExample;import junit.framework.TestCase;public class TestAll extends TestCase {private void Suite() {// TODO Auto-generated method stub}}