在Eclipse中使用JUnit4进行单元测试（中级篇

????@Test

????public?void?testAdd()?...{

??????????calculator.add(2);

??????????calculator.add(3);

??????????assertEquals(5,?calculator.getResult());

????}

??????@Before

??????public?void?setUp()?throws?Exception?...{

???????????calculator.clear();

??????}

private?static?Calculator?calculator?=?new?Calculator();