int main(int argc, char *argv[]){
    if (argc == 1)
        usage(argc, argv);

    // start test
    fprintf(stderr, "=> Start test \"%s\"\n", argv[1]);
    int ok = 1;
    if (strcmp("dummy", argv[1]) == 0)
      ok = test_dummy();
    else if (strcmp("is_lighted",argv[1]) == 0){
      ok = test_game_is_lighted();
    }else if(strcmp("has_error",argv[1]) == 0){
      ok = test_game_has_error();
    }else if(strcmp("check_move",argv[1]) == 0){
      ok = test_game_check_move();
    }else if(strcmp("game_is_over",argv[1]) == 0){
      ok = test_game_is_over();
    }else if(strcmp("play_move",argv[1]) == 0){
      ok = test_game_play_move();
    }else if(strcmp("game_restart",argv[1]) == 0){
      ok = test_game_restart();
    }else if(strcmp("update_flags",argv[1]) == 0){
      ok = test_game_update_flags();
    }else if(strcmp("default_solution",argv[1]) == 0){
      ok = test_game_default_solution();
    }else{
      fprintf(stderr, "Error: test \"%s\" not found!\n", argv[1]);
      exit(EXIT_FAILURE);
    }

  // print test result
  if (ok == 0)
  {
    fprintf(stderr, "Test \"%s\" finished: SUCCESS\n", argv[1]);
    return EXIT_SUCCESS;
  }
  else
  {
    fprintf(stderr, "Test \"%s\" finished: FAILURE\n", argv[1]);
    return EXIT_FAILURE;
  }
}