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Week 6 Task

Week 6 Task
Week 6 Task

Task 1

查阅资料,完成以下工作:

(1)详细了解,能够解释说明走查的原理和流程;

(2)设计一份源代码白盒静态测试走查的检查表(checklist),可以针对C/C++,Java,C#等语言其中之一。

Task 2

参考课堂所讲内容及《软件测试》关于动态白盒测试的内容(阅读第9章和17.1章节),

分析以下的双向链表包,完成以下工作:

(1)绘制类中的程序流程图;

(2)转换成程序图(流图);

(3)分析计算各个类方法的环形复杂度V(G)值;

(4)判断各个方法代码进行测试时分别需要基于何种测试覆盖指标;

(5)如果需要做DD-路径测试,请设计测试用例;

(6)使用Task1中设计的检查表走查代码,记录检查结果。

1.package ds_java;

2.public class TwolinkNode //双向链表的节点类

3.{

4.public int data; //存放数据

5.public TwolinNode prior,next; //前驱、后继节点的引用

6.public TwolinNode(int k) //构造值为k的节点

7.{

8.data=k;

9.prior=next=null;

10.}

11.public TwolinkNode() //构造方法,重载

12.{

13.this(0);

14.}

15.}

16.public class Twolink1 //双向链表类

17.{

18.protected TwolinkNode head; //构造空的链表

19.public Twolink1()

20.{

21.head=null; //指向链表的第一个节点

22.}

23.}

24.public class Twolink2 extends Twolink1 //双向链表插入排序

25.{

26.protected TwolinkNode real;

27.public Twolink2() //构造空的链表

28.{

29.super();

30.real=null; //指向链表的第一个节点

31.}

32.public Twolink2(int n) //n个随机值插入双向链表

33.{

34.int i=0,k;

35.system.out.print("insert: ");

36.for(i=0;i

37.{

38.k=(int)(math.random()*100);

39.system.out.print(k+" ");

40.insert(k);

41.system.out.println();

42.}

43.}

44.public void insert(int k) //k值插入已排序的双向链表

45.{

46.TwolinkNode p=null,q=null;

47.try

48.{

49.q=new TwolinkNode(k); //创建k值节点q

50.if(head==null)

51.{

52.head=q;

53.real=head; //空表插入

54.}

55.else

56.{

57.if(k

58.{

59.q.next=head;

60.head.prior=q;

61.head=q;

62.}

63.else

64.{

65.p=head; //查找q应插入的位置

66.while(p!=null && k>p.data)

67.p=p.next //向后走

68.if(p!=null) //表中插入

69.{

70.q.prior=p.prior; //将q插入到节点p之前

71.q.next=p;

72.(p.prior).next=q;

73.p.prior=q;

74.}

75.else //表尾插入

76.{

77.real.next=q; //将q插入到rear节点之后

78.q.prior=rear;

79.rear=q;

80.}

81.}

82.}

83.}

84.catch(exception e) //捕获异常

85.{

86.system.out.println(e); //显示异常信息

87.}

88.output(); //输出链表信息

89.}

90.}

V(G)=1+1=2

V(G)= 4+1=5

(4)Twolink DD路径及有效性

(4)insert DD路径及有效性

(5)测试用例

链表为空k=1 有效

链表 2 ,3,4 k=1 有效

链表为2 ,3,6 k=5 有效链表为2 ,3,4 k=5 有效

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