???????????????????????￡????????????Σ??3??7????Ρ????????XML??????????????????????????????DataProvider????????????????????
????JUnit
??????TestNG??????????????????????????JUnit?????????????????MathChecker???JUnit??????????
  @RunWith(Parameterized.class)
????    public class MathCheckerTest {
????     private int inputNumber;
????     private Boolean expected;
????     private MathChecker mathChecker;
????     @Before
????     public void setup(){
????         mathChecker = new MathChecker();
????     }
????        // Inject via constructor
????        public MathCheckerTest(int inputNumber?? Boolean expected) {
????            this.inputNumber = inputNumber;
????            this.expected = expected;
????        }
????        @Parameterized.Parameters
????        public static Collection<Object[]> getTestData() {
????            return Arrays.asList(new Object[][]{
????                    {1?? true}??
????                    {2?? false}??
????                    {3?? true}??
????                    {4?? false}??
????                    {5?? true}
????            });
????        }
????        @Test
????        public void testisOdd() {
????            System.out.println("Running test for:"+inputNumber);
????            assertEquals(mathChecker.isOdd(inputNumber)?? expected);
????        }
????    }
????????????????????в?????????????getTestData??????????????????????????????????????????????????????????????
????5.???????????Print???
??????????????????????????д???????дSystem.out.println????????????????????С????????????????????????????????2??????????????????????????????????????????????????????????????????????????С???????????????????????????????
?????????StringUti????????????????????????????????????????????????
????public class StringUtil {
????        public String concat(String a??String b) {
????            return a + b;
????        }
????    }
????????????????????????????????
????@Test
????    public void testStringUtil_Bad() {
????         String result = stringUtil.concat("Hello "?? "World");
????         System.out.println("Result is "+result);
????    }
????    @Test
????    public void testStringUtil_Good() {
????         String result = stringUtil.concat("Hello "?? "World");
????         assertEquals("Hello World"?? result);
????    }
????testStringUtil\_Bad????????????????ж?????????????????????????????????????????????????????????????????????????????testStringUtil\_Good??????
????6.????????????????????
?????Щ??????????????????????÷????????????????????????????ζ??????????磬???????′?????????????????????????????и?????????????????????λ?????????
  public class DemoLogic {
????    private void veryComplexFunction(){
????        //This is a complex function that has a lot of database access and is time consuming
????        //To demo this method?? I am going to add a Thread.sleep for a random number of milliseconds
????        try {
????            int time = (int) (Math.random()*100);
????            Thread.sleep(time);
????        } catch (InterruptedException e) {
????            // TODO Auto-generated catch block
????            e.printStackTrace();
????        }
????    }
????    public long calculateTime(){
????        long time = 0;
????        long before = System.currentTimeMillis();
????        veryComplexFunction();
????        long after = System.currentTimeMillis();
????        time = after - before;
????        return time;
????    }
????    }
??????????????￡???????calculateTime????????????????????????????÷?????д???????????????κ??????????÷???????????????????????????????????κ??????е??????
????7.???????????????????????????????
??????????????????????????????????д?????????????????ó??????????????????????????????????????????????????????????????????????Ч?????????????????磬???????????????????????????8????????????????????????????????????????????????????????
?????????????????????????????????
???????????????
???????????????С??8??????????
????????????????????????????????????????????磬??????????????1??100???????????1??100???????????Щ????в???????????????