Esempio n. 1
0
// ----------------------------------------------------------------------------
void performanceTest() {
  clock_t start = clock();
  clock_t elapsed = start;
  double min_ratio = 99999.9, max_ratio = 0;
  int size_at_min_ratio = 0, size_at_max_ratio = 0;

  while ((elapsed - start) < 5 * CLOCKS_PER_SEC) {
    int size = rand() % 10000 + 1000;

    std::vector<int> array;
    array.reserve(size);

    SortedLinkedList list;
    list.init();

    for (int i = 0; i < size; ++i) {
      int value = rand() % 1000;
      array.push_back(value);
    }

    clock_t sort_start = clock();
    for (int i = 0; i < size; ++i) {
      list.add(array[i]);
    }
    clock_t list_sort_elapsed = clock();
    std::sort(array.begin(), array.end());
    clock_t array_sort_elapsed = clock();

    list.destroy();

    double array_time = static_cast<double>(array_sort_elapsed - list_sort_elapsed) / CLOCKS_PER_SEC;
    double list_time = static_cast<double>(list_sort_elapsed - sort_start) / CLOCKS_PER_SEC;
    double ratio = list_time / array_time;
    INF("SORT size [%i]: array [%.8lf], list [%.8lf], ratio [%.8lf]", size, array_time, list_time, ratio);

    if (ratio > max_ratio) {
      max_ratio = ratio;
      size_at_max_ratio = size;
    }
    if (ratio < min_ratio) {
      min_ratio = ratio;
      size_at_min_ratio = size;
    }

    elapsed = clock();
  }
  WRN("Max ratio list / array [%.8lf] at size [%i]", max_ratio, size_at_max_ratio);
  DBG("Min ratio list / array [%.8lf] at size [%i]", min_ratio, size_at_min_ratio);
}
int main(int argc, const char * argv[])
{
    cout << "Beginning the testing with SortedArrayList..." << endl << endl;
    SortedArrayList * a = new SortedArrayList();
    insertAllWords("random.txt", a);
    cout << "WERE ALL WORDS FOUND?: " << findAllWords("words.txt", a) << endl;
    removeAllWords("random.txt", a);

    cout << endl << endl << "Beginning the testing with SortedLinkedList..." << endl << endl;
    SortedLinkedList * b = new SortedLinkedList();
    b->insert("zygote");
    insertAllWords("random.txt", b);
    cout << "WERE ALL WORDS FOUND?: " << findAllWords("words.txt", b) << endl;
    removeAllWords("random.txt", b);

    return 0;
}
Esempio n. 3
0
bool batch_test(int test)
{
  size_t size = 1402;
  size_t capacity = 45500;
  string * buf = new string[size];
  ifstream in("sorted_short.txt");
  for(size_t i = 0; i != size; ++i) in >> buf[i];
  in.close();

  // array insert
  if(test == 46)
  {
    SortedList * list = new SortedArrayList;
    list->batch(&SortedList::insert, string("random_short.txt"));
    SortedArrayList * p = static_cast<SortedArrayList *>(list);
    for(size_t i = 0; i != size; ++i) if((*p)[i] != buf[i]) return false;
  }
  // array remove
  else if(test == 47)
  {
    SortedList * list = new SortedArrayList;
    list->batch(&SortedList::remove, string("random_short.txt"));
    SortedArrayList * p = static_cast<SortedArrayList *>(list);
    if(p->size_cassej() != 0) return false;
  }
  // linked-list insert
  else if(test == 48)
  {
    SortedList * list = new SortedLinkedList;
    list->batch(&SortedList::insert, string("random_short.txt"));
    SortedLinkedList * p = static_cast<SortedLinkedList *>(list);
    for(size_t i = 0; i != size; ++i) if((*p)[i] != buf[i]) return false;
  }
  // linked-list remove
  else if(test == 49)
  {
    SortedList * list = new SortedLinkedList;
    list->batch(&SortedList::remove, string("random_short.txt"));
    SortedLinkedList * p = static_cast<SortedLinkedList *>(list);
    if(p->size_cassej() != 0) return false;
  }
  else exit(1);
  return true;
}
void removeAllWords(SortedLinkedList &A, char *file)	//O(n^2)
{
    ifstream in;
    in.open(file);
    Timer t;
    string word;
    double etime;
    t.start();
    while(in>>word)
    {
        A.remove(word);
    }
    t.elapsedUserTime(etime);
    cout<<etime<<endl;

}
void testSLL(){
    SortedLinkedList * a = new SortedLinkedList();
    a->insert("zxc");
    a->insert("cat");
    a->insert("dog");
    a->insert("sup");
    a->insert("mom");
    a->insert("apple");
    a->insert("moma");
    a->insert("zz");
    a->print();
    cout << endl << endl << "REMOVED AFTER THIS :" << endl << endl;
    a->remove("zxc");
    a->remove("apple");
    a->remove("sup");
    a->remove("zz");
    a->print();
}