libstdc++-v3/testsuite/23_containers/list/operations/35969.cc

   1 // Copyright (C) 2008 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 2, 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 COPYING.  If not, write to the Free
  16 // Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
  17 // USA.
  18
  19 // 23.2.2.4 list operations [lib.list.ops]
  20
  21 // { dg-options "-D_GLIBCXX_DEBUG" }
  22
  23 #include <list>
  24 #include <functional>
  25
  26 // libstdc++/35969
  27 void test01()
  28 {
  29   {
  30     std::list<int> list1;
  31     std::list<int> list2;
  32
  33     for(int i = 0; i < 10; ++i)
  34       {
  35         list1.push_back(i);
  36         list2.push_back(10 - i);
  37       }
  38
  39     list1.sort();
  40     list2.sort();
  41
  42     std::list<int>::iterator node_of_interest = list2.begin();
  43
  44     list1.splice(list1.begin(), list2, node_of_interest);
  45     list2.splice(list2.begin(), list1, node_of_interest);
  46
  47     list1.merge(list2);
  48
  49     list2.splice(list2.begin(), list1, node_of_interest);
  50   }
  51
  52   {
  53     std::list<int> list1;
  54     std::list<int> list2;
  55
  56     for(int i = 0; i < 10; ++i)
  57       {
  58         list1.push_back(i);
  59         list2.push_back(10 - i);
  60       }
  61
  62     list1.sort();
  63     list2.sort();
  64
  65     std::list<int>::iterator node_of_interest = list2.begin();
  66
  67     list1.splice(list1.begin(), list2, node_of_interest);
  68     list2.splice(list2.begin(), list1, node_of_interest);
  69
  70     list1.merge(list2, std::less<int>());
  71
  72     list2.splice(list2.begin(), list1, node_of_interest);
  73   }
  74 }
  75
  76 int main()
  77 {
  78   test01();
  79   return 0;
  80 }