测试用例生成|集2（随机字符、字符串和随机字符串数组）-yiteyi-C++库

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生成随机字符

CPP

                         // A C++ Program to generate test cases for                       
                         // random characters                       
                         #include<bits/stdc++.h>                       
                         using                                     namespace                                     std;                       
           
                         // Define the number of runs for the test data                       
                         // generated                       
                         #define RUN 5                       
           
                         // Define the range of the test data generated                       
                         // Here it is 'a' to 'z'                       
                         #define MAX 25                       
           
                         int                                     main()                       
                         {                       
                                                 // Uncomment the below line to store                       
                                                 // the test data in a file                       
                                                 // freopen ("Test_Cases_Random_Character.in", "w", stdout);                       
           
                                                 // For random values every time                       
                                                 srand                                     (                                     time                                     (NULL));                       
           
                                                 for                                     (                                     int                                     i=1; i<=RUN; i++)                       
                                                 printf                                     ("%c",                                     'a'                                     +                                     rand                                     () % MAX);                       
           
                                                 // Uncomment the below line to store                       
                                                 // the test data in a file                       
                                                 // fclose(stdout);                       
                                                 return                                     (0);                       
                         }                       

Javascript

                         <script>                       
           
                         let requiredNumbers = 5;                       
                         let lowerBound = 0;                       
                         let upperBound = 25;                       
           
                         for                                     (let i = 0; i < requiredNumbers; i++)                       
                         {                       
                                                 let a = String.fromCharCode(97 + Math.floor(Math.random() *                       
                                                 (upperBound - lowerBound)) + lowerBound);                       
                                                 document.write(a+                                     "<br>"                                     );                       
                         }                       
           
                         // This code is contributed by Shubham Singh                       
           
                         </script>                       

生成随机字符串

CPP

                         // A C++ Program to generate test cases for                       
                         // random strings                       
                         #include<bits/stdc++.h>                       
                         using                                     namespace                                     std;                       
           
                         // Define the number of runs for the test data                       
                         // generated                       
                         #define RUN 100000                       
           
                         // Define the range of the test data generated                       
                         // Here it is 'a' to 'z'                       
                         #define MAX 25                       
           
                         // Define the maximum length of string                       
                         #define MAXLEN 100                       
           
                         int                                     main()                       
                         {                       
                                                 // Uncomment the below line to store                       
                                                 // the test data in a file                       
                                                 // freopen ("Test_Cases_Random_String.in", "w", stdout);                       
           
                                                 //For random values every time                       
                                                 srand                                     (                                     time                                     (NULL));                       
           
                                                 int                                     LEN;                                     // Length of string                       
           
                                                 for                                     (                                     int                                     i=1; i<=RUN; i++)                       
                                                 {                       
                                                 LEN = 1 +                                     rand                                     () % MAXLEN;                       
           
                                                 // First print the length of string                       
                                                 printf                                     ("%d", LEN);                       
           
                                                 // Then print the characters of the string                       
                                                 for                                     (                                     int                                     j=1; j<=LEN; j++)                       
                                                 printf                                     ("%c",                                     'a'                                     +                                     rand                                     () % MAX);                       
           
                                                 printf                                     ("");                       
                                                 }                       
           
                                                 // Uncomment the below line to store                       
                                                 // the test data in a file                       
                                                 // fclose(stdout);                       
                                                 return                                     (0);                       
                         }                       

生成随机字符串数组

CPP

                         // A C++ Program to generate test cases for                       
                         // random strings                       
                         #include<bits/stdc++.h>                       
                         using                                     namespace                                     std;                       
           
                         // Define the number of runs for the test data                       
                         // generated                       
                         #define RUN 1000                       
           
                         // Define the range of the test data generated                       
                         // Here it is 'a' to 'z'                       
                         #define MAX 25                       
           
                         // Define the range of number of strings in the array                       
                         #define MAXNUM 20                       
           
                         // Define the maximum length of string                       
                         #define MAXLEN 20                       
           
                         int                                     main()                       
                         {                       
                                                 // Uncomment the below line to store                       
                                                 // the test data in a file                       
                                                 // freopen ("Test_Cases_Array_of_Strings.in", "w", stdout);                       
           
                                                 //For random values every time                       
                                                 srand                                     (                                     time                                     (NULL));                       
           
                                                 int                                     NUM;                                     // Number of strings in array                       
           
                                                 int                                     LEN;                                     // Length of string                       
           
                                                 for                                     (                                     int                                     i=1; i<=RUN; i++)                       
                                                 {                       
                                                 NUM = 1 +                                     rand                                     () % MAXNUM;                       
                                                 printf                                     ("%d", NUM);                       
           
                                                 for                                     (                                     int                                     k=1; k<=NUM; k++)                       
                                                 {                       
                                                 LEN = 1 +                                     rand                                     () % MAXLEN;                       
           
                                                 // Then print the characters of the string                       
                                                 for                                     (                                     int                                     j=1; j<=LEN; j++)                       
                                                 printf                                     ("%c",                                     'a'                                     +                                     rand                                     () % MAX);                       
           
                                                 printf                                     (" ");                       
                                                 }                       
                                                 printf                                     ("");                       
                                                 }                       
                                                 // Uncomment the below line to store                       
                                                 // the test data in a file                       
                                                 // fclose(stdout);                       
                                                 return                                     (0);                       
                         }                       

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