libstdc++-v3/testsuite/performance/23_containers/sort_search/list.cc

   1 // Copyright (C) 2003-2014 Free Software Foundation, Inc.
   2 //
   3 // This file is part of the GNU ISO C++ Library.  This library is free
   4 // software; you can redistribute it and/or modify it under the
   5 // terms of the GNU General Public License as published by the
   6 // Free Software Foundation; either version 3, or (at your option)
   7 // any later version.
   8
   9 // This library is distributed in the hope that it will be useful,
  10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 // GNU General Public License for more details.
  13
  14 // You should have received a copy of the GNU General Public License along
  15 // with this library; see the file COPYING3.  If not see
  16 // <http://www.gnu.org/licenses/>.
  17
  18
  19 #include <testsuite_performance.h>
  20
  21 template<typename Container, int Iter>
  22   void
  23   do_loop()
  24   {
  25     // XXX
  26     const int iter = 150000;
  27     typedef Container container_type;
  28     container_type obj;
  29     int ctr = 3;
  30     while (ctr--)
  31       {
  32         for (int i = 0; i < iter; ++i)
  33           obj.push_back(rand()%500001);
  34
  35         //Search for random values that may or may not belong to the list.
  36         for (int i = 0; i < 50; ++i)
  37           std::find(obj.begin(), obj.end(), rand() % 100001);
  38
  39         obj.sort();
  40
  41         //Search for random values that may or may not belong to the list.
  42         for (int i = 0; i < 50; ++i)
  43           {
  44             typedef typename container_type::iterator iterator_type;
  45             iterator_type _liter = std::find(obj.begin(), obj.end(),
  46                                              rand() % 100001);
  47             if (_liter != obj.end())
  48               obj.erase(_liter);
  49           }
  50         obj.clear();
  51       }
  52   }
  53
  54 int
  55 main()
  56 {
  57 #ifdef TEST_S1
  58 #define thread_type false
  59 #endif
  60
  61 #ifdef TEST_T1
  62 #define thread_type true
  63 #endif
  64
  65   typedef __gnu_test::lists<int, thread_type>::type container_types;
  66   typedef test_sequence<thread_type> test_type;
  67   test_type test("sort_search");
  68   __gnu_cxx::typelist::apply(test, container_types());
  69
  70   return 0;
  71 }
  72