화이트박스 테스트 프레임워크(JUnit) 사용

package test;//包机制
import java.lang.reflect.Array;
public class MixedOperation {
    public int mixeOperation(int x,int y){
        return division((x+y),y);
    }
    public int division(int x,int y){
        int result=(x/y);
        return result;
    }
    public static void main(String[] args) {
      MixedOperation mixedOperation=new MixedOperation();
      System.out.println(mixedOperation.mixeOperation(5,1));
    }
}

package test;
import org.junit.jupiter.api.*;
import org.junit.jupiter.params.ParameterizedTest;
import org.junit.jupiter.params.provider.CsvSource;
public class MixedOperationTest {
    private MixedOperation mixedOperation;
    @BeforeEach
    public void init(){
      mixedOperation=new MixedOperation();
    }
    @Test
    public void successTest(){
        System.out.println("run a test:x=4,y=2");
        int result=mixedOperation.mixeOperation(4,2);
        Assertions.assertEquals(3,result);
    }
   /* @DisplayName("失败")
    public void errorTest(){`
        System.out.println("run a test:x=4,y=0");
        ArithmeticException exception=new ArithmeticException(
                ArithmeticException.class -> {
            mixedOperation.mixeOperation(4, 0);
        }
        );
    }*/
    @Disabled("参数")
    @Test
    @DisplayName("参数")
    @ParameterizedTest
    @CsvSource({"6,3,3","5,2,3","6,2,4"})
    public void caTest(int x,int y,int excepted){
        System.out.println("run a test :x="+x+"y="+y);
        System.out.println(excepted);
        int t= mixedOperation.mixeOperation(x,y);
        Assertions.assertEquals(excepted,t);
    }
    @Disabled
    @Test
    public void  Next(){
       System.out.println("抛出一个异常");
       System.out.println(Assertions.assertThrows(IllegalArgumentException.class, () ->mixedOperation.mixeOperation(2,0)));
    }
    @Disabled
    @Test
    void error(){
        Assertions.assertThrows(Exception.class,()->{Assertions.assertEquals(1,0);});
    }
    @Test
    void sure(){
        int result=mixedOperation.mixeOperation(4,2);
        Assertions.assertTrue(3==result);//断言相等
    }
}