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Software Testing Homework03:

發布時間：2025/4/16 编程问答 18 豆豆

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1.回答書上63-64頁printPrimes()問題a-d：

a:本題控制流圖如下圖1所示

為查看方便，利用圖2進行答題

? ??????????????????

?????????????????????????????????? 圖1???????????????????????? 圖2

??我們注意到代碼第十行有int [] primes = new int [MAXPRIMES]

若在程序中設置MAXPRIMES = 4，那么當運行t1時不會出錯誤，但是在運行t2時會出現數組越界錯。

?????設計一個不經過while循環體的測試用例

?????t3 = （n=1或0）

Node coverage:

??TR = {1,2,3,4,5,6,7,8,9,10,11,12,13,14}

??Test Paths: [1,2,3,4,5,7,4,6,8,9,10,2,11,12,13,12,14]

Edge coverage:

??TR= {[1,2],[2,3],[2,11],[3,4],[4,5],[4,6],[5,6],[5,7],[6,8],[7,4],[8,9][8,10],

??????[9,10],[10,2],[11,12],[12,13],[12,14],[13,12]}

??Test Paths: i.[1,2,3,4,5,7,4,6,8,9,10,2,11,12,13,12,14]

???????????ii.[1,2,3,4,5,6,8,10,2,11,12,14]

Prime path coverage:

??TR={ [12,13,12],[13,12,13],[4,5,7,4],[5,7,4,5],[7,4,5,7],[2,3,4,6,8,10,2],

??????[3,4,6,8,10,2,3],[4,6,8,10,2,3,4],[6,8,10,2,3,4,6],[8,10,2,3,4,6,8],

??????[10,2,3,4,6,8,10],[2,3,4,5,6,8,10,2],[2,3,4,6,8,9,10,2],

??????[3,4,5,6,8,10,2,3],[3,4,6,8,9,10,2,3],[4,5,6,8,10,2,3,4],

??????[4,6,8,9,10,2,3,4],[5,6,8,10,2,3,4,5],[6,8,9,10,2,3,4,6],

??????[6,8,10,2,3,4,5,6],[8,9,10,2,3,4,6,8],[8,10,2,3,4,5,6,8],

??????[9,10,2,3,4,6,8,9],[10,2,3,4,5,6,8,10],[10,2,3,4,6,8,9,10],

??????[2,3,4,5,6,8,9,10,2],[3,4,5,6,8,9,10,2,3],[4,5,6,8,9,10,2,3,4],

??????[5,6,8,9,10,2,3,4,5],[6,8,9,10,2,3,4,5,6],[8,9,10,2,3,4,5,6,8],

??????[9,10,2,3,4,5,6,8,9],[10,2,3,4,5,6,8,9,10],

??????[1,2,11,12,13],[1,2,11,12,14],[1,2,3,4,5,7],[1,2,3,4,6,8,10],

??????[1,2,3,4,5,6,8,10],[1,2,3,4,6,8,9,10],[5,7,4,6,8,10,2,3],

??????[6,8,10,2,3,4,5,7],[7,4,5,6,8,10,2,3],[1,2,3,4,5,6,8,9,10],

??????[3,4,6,8,10,2,11,12,13],[3,4,6,8,10,2,11,12,14],[5,7,4,6,8,9,10,2,3]

??????[6,8,9,10,2,3,4,5,7],[7,4,5,6,8,9,10,2,3],[3,4,5,6,8,10,2,11,12,14],

??????[3,4,5,6,8,10,2,11,12,13],[3,4,6,8,9,10,2,11,12,13],

??????[3,4,6,8,9,10,2,11,12,14],[5,7,4,6,8,10,2,11,12,13],

??????[5,7,4,6,8,10,2,11,12,14],[7,4,5,6,8,10,2,11,12,13],

??????[7,4,5,6,8,10,2,11,12,14],[3,4,5,6,8,9,10,2,11,12,13],

??????[3,4,5,6,8,9,10,2,11,12,14],[5,7,4,6,8,9,10,2,11,12,13],

??????[5,7,4,6,8,9,10,2,11,12,14],[7,4,5,6,8,9,10,2,11,12,13],

??????[7,4,5,6,8,9,10,2,11,12,14]

?????}

2.根據上題編寫一個主路徑覆蓋測試

??我對于書上的源程序上做了修改，測試代碼如下：

??測試結果如下圖：

此次作業代碼已上傳至github:

https://github.com/humengdne/ST-Homeworks/tree/master/HW03

英文版：

1. Answering printPrimes () questions a-d on book pages 63-64 :

A: The control flow chart is shown in Figure 1 below

To view conveniently, use Figure 2 to answer:

??????????????????????? ? ? ? ? ?? Figure 1????????????????????????????????????????????????????????????? Figure 2

??We noted that int [] primes = new int [MAXPRIMES] at the 10^th?line at code.

If I set MAXPRIMES = 4, there will be a failure in t2, which is caused by Array crosses. But the failure will not appear when t1 is running.

????Design a test case without going through a while loop body