#include <iostream>

 #include <maps.h>

 #include <unionfind.h>

 using namespace hugo;

 using namespace std;

 bool passed = true;

 void check(bool rc) {

   passed = passed && rc;

   if(!rc) {

     cout << "Test failed!" << endl;

   }

 }

 template <typename T>

 class BaseMap : public StdMap<int,T> {};

 typedef UnionFindEnum<int, BaseMap> UFE;

 void print(UFE const &ufe) {

   UFE::ClassIt cit;

   cout << "printing the classes of the structure:" << endl;

   int i = 1;

   for (ufe.first(cit); ufe.valid(cit); ufe.next(cit)) {

     cout << "  " << i << " (" << cit << "):" << flush;

     UFE::ItemIt iit;

     for (ufe.first(iit, cit); ufe.valid(iit); ufe.next(iit)) {

       cout << " " << iit << flush;

     }

     cout << endl;

     i++;

   }

   cout << "done" << endl;

 }

 int main() {

   UFE::MapType base;

   UFE U(base);

   print(U);

   cout << "Inserting 1..." << endl;

   U.insert(1);

   print(U);

   cout << "Inserting 2..." << endl;

   U.insert(2);

   print(U);

   cout << "Joining 1 and 2..." << endl;

   check(U.join(1,2));

   print(U);

   cout << "Inserting 3, 4, 5, 6, 7..." << endl;

   U.insert(3);

   U.insert(4);

   U.insert(5);

   U.insert(6);

   U.insert(7);

   print (U);

   cout << "Joining 1 - 4, 2 - 4 and 3 - 5 ..." << endl;

   check(U.join(1,4));

   check(!U.join(2,4));

   check(U.join(3,5));

   print(U);

   cout << "size of the class of 4: " << U.size(4) << endl;

   check(U.size(4) == 3);

   cout << "size of the class of 5: " << U.size(5) << endl;

   check(U.size(5) == 2);

   cout << "size of the class of 6: " << U.size(6) << endl;

   check(U.size(6) == 1);

   cout <<"erase 1: " << endl;

   U.erase(1);

   print(U);

   cout <<"erase 1: " << endl;

   U.erase(1);

   print(U);

   cout <<"erase 6: " << endl;

   U.erase(6);

   print(U);

   cout << "split the class of 5: " << endl;

   U.split(5);

   print(U);

   cout << "Joining 3 - 4 and 2 - 4 ..." << endl;

   check(U.join(3,4));

   check(!U.join(2,4));

   print(U);

   cout << "eraseClass 4 ..." << endl;

   U.eraseClass(4);

   print(U);

   cout << "eraseClass 7 ..." << endl;

   U.eraseClass(7);

   print(U);

   cout << "done" << endl;

   cout << (passed ? "All tests passed." : "Some of the tests failed!!!")

        << endl;

   return passed ? 0 : 1;

 }