fuzztesting.c

/* 
 * fuzzsudoku - generate a series of random sudokus for testing sudoku create and build
 * 
 * usage: 
 *   fuzzquery numSudokus
 *
 * 
 * u
 */


#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdbool.h>
#include <ctype.h>
#include <time.h>
#include <unistd.h>

#include "./library/memory.h"
#include "./puzzle/puzzle.h"
#include "./create/create.h"
#include "./solve/solve.h"


int
main(const int argc, char *argv[])
{

  
  clock_t start, end;
  double cpu_time_used;
  double total = 0;
     
  //Change the depth string to an integer
  char* difficulty = count_calloc_assert(strlen(argv[1]), sizeof(char) + 1, "difficulty");
  int numSudokus;

  strcpy(difficulty, argv[1]);
  sscanf(argv[2], "%d", &numSudokus);

  time_t t;
  srand((unsigned) time(&t));

  for(int i = 1; i <= numSudokus; i ++){
  
  sleep(1);
  
  //Create a full sudoku
  puzzle_t* puzzle = puzzle_new(9);



  build_full_sudoku(puzzle, difficulty);


  //Create an incomplete sudoku
  create_sudoku(puzzle, difficulty);

  int num_solutions = count_num_solutions(puzzle, difficulty);

  //Solve (and track time)
  
  start = clock();
     
  //solve method
  solve_sudoku(puzzle,0,0,difficulty);

  end = clock();

  cpu_time_used = ((double) (end - start)) / CLOCKS_PER_SEC;

  
  total += cpu_time_used;

  printf("Run %d- valid: %s, solve time: %f seconds, # of solutions: %d\n", i, (is_valid_solved(puzzle)) ? "true" : "false", cpu_time_used, num_solutions);

  puzzle_delete(puzzle);

  }

  printf("\nAverage run time %f: seconds\n", total/numSudokus);

  free(difficulty);

}