lemon-0.x: src/test/unionfind_test.cc@ce29ae5b2e1b

     1 #include <iostream>

     3 #include <maps.h>

     4 #include <unionfind.h>

     6 using namespace hugo;

     7 using namespace std;

     9 bool passed = true;

    11 void check(bool rc) {

    12   passed = passed && rc;

    13   if(!rc) {

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

    15   }

    16 }

    18 template <typename T>

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

    21 typedef UnionFindEnum<int, BaseMap> UFE;

    23 void print(UFE const &ufe) {

    24   UFE::ClassIt cit;

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

    26   int i = 1;

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

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

    29     UFE::ItemIt iit;

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

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

    32     }

    33     cout << endl;

    34     i++;

    35   }

    36   cout << "done" << endl;

    37 }

    40 int main() {

    41   UFE::MapType base;

    42   UFE U(base);

    44   print(U);

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

    47   U.insert(1);

    48   print(U);

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

    51   U.insert(2);

    52   print(U);

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

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

    56   print(U);

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

    59   U.insert(3);

    60   U.insert(4);

    61   U.insert(5);

    62   U.insert(6);

    63   U.insert(7);

    64   print (U);

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

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

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

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

    70   print(U);

    72   cout << "Inserting 8 to the component of 5 ..." << endl;

    73   U.insert(8,5);

    74   print(U);

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

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

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

    79   check(U.size(5) == 3);

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

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

    82   cout << "size of the class of 2: " << U.size(2) << endl;

    83   check(U.size(2) == 3);

    85   cout << "Inserting 9 ..." << endl;

    86   U.insert(9);

    87   print(U);

    88   cout << "Inserting 10 to the component of 9 ..." << endl;

    89   U.insert(10,9);

    90   print(U);

    92   cout << "Joining 8 and 10..." << endl;

    93   check(U.join(8,10));

    94   print(U);

    96   cout << "Move 9 to the class of 4 ..." << endl;

    97   check(U.move(9,4));

    98   print(U);

   100   cout << "Move 9 to the class of 2 ..." << endl;

   101   check(!U.move(9,2));

   102   print(U);

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

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

   106   cout << "size of the class of 9: " << U.size(9) << endl;

   107   check(U.size(9) == 4);

   109   cout << "Move 5 to the class of 6 ..." << endl;

   110   check(U.move(5,6));

   111   print(U);

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

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

   115   cout << "size of the class of 8: " << U.size(8) << endl;

   116   check(U.size(8) == 3);

   118   cout << "Move 7 to the class of 10 ..." << endl;

   119   check(U.move(7,10));

   120   print(U);

   122   cout << "size of the class of 7: " << U.size(7) << endl;

   123   check(U.size(7) == 4);

   125   cout <<"erase 9: " << endl;

   126   U.erase(9);

   127   print(U);

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

   130   U.erase(1);

   131   print(U);

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

   134   check(U.size(4) == 2);

   135   cout << "size of the class of 2: " << U.size(2) << endl;

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

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

   140   U.erase(1);

   141   print(U);

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

   144   U.erase(6);

   145   print(U);

   147   cout << "split the class of 8: " << endl;

   148   U.split(8);

   149   print(U);

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

   153   check(U.size(4) == 2);

   154   cout << "size of the class of 3: " << U.size(3) << endl;

   155   check(U.size(3) == 1);

   156   cout << "size of the class of 2: " << U.size(2) << endl;

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

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

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

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

   163   print(U);

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

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

   168   cout << "size of the class of 3: " << U.size(3) << endl;

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

   170   cout << "size of the class of 2: " << U.size(2) << endl;

   171   check(U.size(2) == 3);

   173   cout << "makeRep(4)" << endl;

   174   U.makeRep(4);

   175   print(U);

   176   cout << "makeRep(3)" << endl;

   177   U.makeRep(3);

   178   print(U);

   179   cout << "makeRep(2)" << endl;

   180   U.makeRep(2);

   181   print(U);

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

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

   185   cout << "size of the class of 3: " << U.size(3) << endl;

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

   187   cout << "size of the class of 2: " << U.size(2) << endl;

   188   check(U.size(2) == 3);

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

   192   U.eraseClass(4);

   193   print(U);

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

   196   U.eraseClass(7);

   197   print(U);

   199   cout << "done" << endl;

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

   202        << endl;

   204   return passed ? 0 : 1;

   205 }

author	beckerjc
	Thu, 29 Apr 2004 17:00:44 +0000
changeset 483	ce29ae5b2e1b
child 542	69bde1d90c04
permissions	-rw-r--r--