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  • linux白盒測試流程(3)

    發表于:2015-03-25來源:uml.org.cn作者:不詳點擊數: 標簽:linux
    現在分析下測試用例的成功率。這里用check作為搜索的關鍵字。這個關鍵字是在gdb腳本中自己定義的。 $grep - r check calnumber . res check number == 8 $1 = 1 check su

      現在分析下測試用例的成功率。這里用check作為搜索的關鍵字。這個關鍵字是在gdb腳本中自己定義的。

    $grep -r "check" calnumber.res
    "check number == 8" $1 = 1
    "check sum == 0" $2 = 1
    "check quit == 0" $5 = 1
    "check i == 5" $6 = 1
    "check sum == 10" $7 = 1
    "check i == 9" $8 = 1
    "check sum == 36" $9 = 1
    "check quit == 1" $10 = 1

    $grep -r "check" calnumber.res | cut -f2
    $1 = 1
    $2 = 1
    $5 = 1
    $6 = 1
    $7 = 1
    $8 = 1
    $9 = 1
    $10 = 1

      說明用例的10個比較均是正確的,成功率為100%。

      2.用gcov得到代碼覆蓋率。

      上一步結束后,在當前目前下會產生兩個文件:calnumber.gcda和calnumber.gcno。 這里不關注它們。

      直接執行gcov calnumber.c 得到

      $gcov calnumber.c

      File `calnumber.c'

      Lines executed:100.00% of 14

      calnumber.c:creating `calnumber.c.gcov'

      說明覆蓋率文件已經產生了,我們看下calnumber.c.gcov文件:

      $cat calnumber.c.gcov

    -: 0:Source:calnumber.c
    -: 0:Graph:calnumber.gcno
    -: 0:Data:calnumber.gcda
    -: 0:Runs:2
    -: 0:Programs:1
    -: 1:#include <stdio.h>
    -: 2:
    -: 3:int main()
    function main called 2 returned 100% blocks executed 100%
    2: 4:{
    2: 5: int i,sum,number;
    2: 6: int quit;
    2: 7: number = 8;
    2: 8: sum = 0;
    16: 9: for(i = 0; i <= number; i++)
    -: 10: {
    14: 11: sum += i;
    -: 12: }
    -: 13:
    2: 14: if(sum != 36)
    -: 15: {
    1: 16: quit = 0;
    1: 17: printf("sum = %d\n", sum);
    -: 18: } else
    -: 19: {
    1: 20: quit = 1;
    1: 21: printf("sum is 36\n");
    -: 22: }
    -: 23:
    2: 24: if(quit) printf("Finish!\n");
    -: 25:
    2: 26:

    原文轉自:http://www.uml.org.cn/Test/2009021210.asp

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