Set 1 (Random Numbers, Arrays and Matrices)
- Generating Random Characters
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 25int 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\n", 'a' + rand() % MAX); // Uncomment the below line to store // the test data in a file // fclose(stdout); return(0);} |
Java
import java.util.Random;class GeneratingRandomCharacters {// Define the number of runs for the test data generatedstatic final int RUN = 5;// Define the range of the test data generated// Here it is 'a' to 'z'static final int MAX = 25;public static void main(String[] args) { Random rand = new Random(); for (int i = 0; i < RUN; i++) { char randomChar = (char) ('a' + rand.nextInt(MAX)); System.out.println(randomChar); }}} |
Python3
import random# Define the number of runs for the test data generatedRUN = 5# Define the range of the test data generated# Here it is 'a' to 'z'MAX = 25for i in range(RUN): random_char = chr(ord('a') + random.randint(0, MAX)) print(random_char) |
C#
using System;namespace RandomCharacterTestCases{ class Program { // Define the number of runs for the test data // generated const int RUN = 5; // Define the range of the test data generated // Here it is 'a' to 'z' const int MAX = 25; static void Main(string[] args) { // Uncomment the below line to store // the test data in a file // Console.SetOut(new System.IO.StreamWriter("Test_Cases_Random_Character.in")); // For random values every time Random rnd = new Random(); for (int i = 1; i <= RUN; i++) { Console.WriteLine((char)('a' + rnd.Next(MAX))); } // Uncomment the below line to store // the test data in a file // Console.Out.Close(); } }}// This code is contributed by divyansh2212 |
Javascript
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); console.log(a);}// This code is contributed by Shubham Singh |
- Generating Random Strings
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 100int 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\n", LEN); // Then print the characters of the string for (int j=1; j<=LEN; j++) printf("%c", 'a' + rand() % MAX); printf("\n"); } // Uncomment the below line to store // the test data in a file // fclose(stdout); return(0);} |
Javascript
// Define the number of runs for the test data generatedconst RUN = 100000;// Define the range of the test data generated// Here it is 'a' to 'z'const MAX = 25;// Define the maximum length of stringconst MAXLEN = 100;// driver program// For random values every timelet LEN; // Length of stringfor (let i = 1; i <= RUN; i++) { LEN = 1 + Math.floor(Math.random() * MAXLEN); // First print the length of string console.log(LEN); // Then print the characters of the string let str = ""; for (let j = 1; j <= LEN; j++) str += String.fromCharCode(97 + Math.floor(Math.random() * MAX)); console.log(str);} |
- Generating Array of Random Strings
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 20int 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\n", 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("\n"); } // Uncomment the below line to store // the test data in a file // fclose(stdout); return(0);} |
Java
import java.util.Random;public class Main { // Define the number of runs for the test data generated private static final int RUN = 1000; // Define the range of the test data generated // Here it is 'a' to 'z' private static final int MAX = 25; // Define the range of number of strings in the array private static final int MAXNUM = 20; // Define the maximum length of string private static final int MAXLEN = 20; public static void main(String[] args) { // Uncomment the below line to store // the test data in a file // System.setOut(new PrintStream(new // File("Test_Cases_Array_of_Strings.in"))); // For random values every time Random rand = new Random(); int NUM; // Number of strings in array int LEN; // Length of string for (int i = 1; i <= RUN; i++) { NUM = 1 + rand.nextInt(MAXNUM); System.out.println(NUM); for (int k = 1; k <= NUM; k++) { LEN = 1 + rand.nextInt(MAXLEN); // Then print the characters of the string for (int j = 1; j <= LEN; j++) System.out.print( (char)('a' + rand.nextInt(MAX))); System.out.print(" "); } System.out.println(); } // Uncomment the below line to store // the test data in a file // System.out.close(); }} |
Python3
# A Python3 program to generate test cases for random stringsimport randomimport string# Define the number of runs for the test data generatedRUN = 1000# Define the range of the test data generated# Here it is 'a' to 'z'MAX = 25# Define the range of number of strings in the arrayMAXNUM = 20# Define the maximum length of stringMAXLEN = 20# Uncomment the below line to store# the test data in a file# sys.stdout = open("Test_Cases_Array_of_Strings.in", "w")for i in range(RUN): NUM = random.randint(1, MAXNUM) print(NUM) for k in range(NUM): LEN = random.randint(1, MAXLEN) # Then print the characters of the string s = ''.join(random.choices(string.ascii_lowercase, k=LEN)) print(s, end=' ') print()# Uncomment the below line to store# the test data in a file# sys.stdout.close() |
C#
// A C# Program to generate test cases for// random stringsusing System;using System.IO;class Program { // Define the number of runs for the test data generated const int RUN = 1000; // Define the range of the test data generated // Here it is 'a' to 'z' const int MAX = 25; // Define the range of number of strings in the array const int MAXNUM = 20; // Define the maximum length of string const int MAXLEN = 20; static void Main() { // Uncomment the below line to store // the test data in a file // Console.SetOut(new // StreamWriter("Test_Cases_Array_of_Strings.in")); // For random values every time Random random = new Random(); int NUM; // Number of strings in array int LEN; // Length of string for (int i = 1; i <= RUN; i++) { NUM = 1 + random.Next(MAXNUM); Console.WriteLine(NUM); for (int k = 1; k <= NUM; k++) { LEN = 1 + random.Next(MAXLEN); // Then print the characters of the string for (int j = 1; j <= LEN; j++) { Console.Write( (char)('a' + random.Next(MAX))); } Console.Write(" "); } Console.WriteLine(); } // Uncomment the below line to store // the test data in a file // Console.Out.Close(); }} |
Javascript
// Define the number of runs for the test data generatedconst RUN = 1000;// Define the range of the test data generated// Here it is 'a' to 'z'const MAX = 25;// Define the range of number of strings in the arrayconst MAXNUM = 20;// Define the maximum length of stringconst MAXLEN = 20;function generateTestData() {let result = "";// For random values every timeconst rand = new Math.seedrandom();let NUM; // Number of strings in arraylet LEN; // Length of stringfor (let i = 1; i <= RUN; i++) {NUM = 1 + Math.floor(rand() * MAXNUM);result += NUM + "\n";for (let k = 1; k <= NUM; k++) { LEN = 1 + Math.floor(rand() * MAXLEN); // Then print the characters of the string let str = ""; for (let j = 1; j <= LEN; j++) { str += String.fromCharCode(97 + Math.floor(rand() * MAX)); } result += str + " ";}result += "\n";}return result;}// Uncomment the below line to store// the test data in a file// fs.writeFileSync('Test_Cases_Array_of_Strings.in', generateTestData()); |
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