注釋  @before @After

 

package cn.nynu.test;

 
import static org.junit.Assert.*;
 
import org.junit.*;

//@HepengWu
public class TestMethodTestExample {
 
    // @BeforeClass  只有一個
    @BeforeClass
    public static void setUpBeforeClass() throws Exception {
        System.out.println("This is a BeforeClass.");
    }
 
    //@AfterClass 只有一個
    @AfterClass  
    public static void tearDownAfterClass() throws Exception {
        System.out.println("This is an AfterClass.");
    }
 
    //@Before 可以有多個
    @Before
    public void beforeZero() {
        System.out.println("This is a Before  Zero.");
    }
    
    @Before
    public void beforeOne() {
        System.out.println("This is a Before  One. ");
    }
 
    //@After 可以有多個
    
    @After
    public void afterZero() {
        System.out.println("This is a After  Zero. ");
    }
    @After
    public void afterOne() {
        System.out.println("This is a After  One.");
    }
    
    
    /*
     * @Test 運行順序：
      *   測試類實例化->運行@BeforeClass->運行@Before->運行@Test->運行@After->運行@AfterClass .
      *   注意：這里有分別都有兩個@ Before @After
     */

    @Test(timeout = 10000)
    public void testadd() {
        TestDemo a = new TestDemo();
        assertEquals(6, a.add(3, 3));
        System.out.println("This is a AddTest.");
    }
    
    /*
     * @Test 運行順序：
      *   測試類實例化->運行@BeforeClass->運行@Before->運行@Test->運行@After->運行@AfterClass .
     */
 
    @Test
    public void testdivision() {
        TestDemo a = new TestDemo();
        
        assertEquals(3, a.division(6, 2));
        System.out.println("This is a DivisionTest.");
    }
    
    
    
    
    //由於注釋的@Ignore; 所以下面的測試不再進行
    /*
     * @Test 運行順序：
      *   測試類實例化->運行@BeforeClass->運行@Before->（不運行@Test）——->運行@After->運行@AfterClass .
     */
    @Ignore
    @Test
    public void test_ignore() {
        TestDemo a = new TestDemo();
        assertEquals(6, a.add(1, 5));
        System.out.println("This is a test_ignore.");
    }

    /*
     * fail() 錯誤的 藍色×代 表failure，紅色×代表error。error如除數 為0
     */
    /*
     * @Test public void testFail() { try {
     * fail("should hava thrown an exception "); } catch(RuntimeException e) {
     * assertTrue(true);
     * 
     * } }
     */
}
      
 
class TestDemo extends Thread {
 
    int result;
 
    public int add(int a, int b) {
        try {
            sleep(1000);
            result = a + b;
        } catch (InterruptedException e) {
        }
        return result;
    }
 
    public int division(int a, int b) {
        return result = a / b;
    }
}

　　測試結果：

 

 

 

 

 

 

 

     參考：https://blog.csdn.net/wangpeng047/article/details/9628449