libstdc++-v3/testsuite/23_containers/list/cons/self_move.cc

   1 // Copyright (C) 2020-2021 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 // { dg-do run { target c++11 } }
  19
  20 #include <list>
  21 #include <debug/list>
  22 #include <testsuite_hooks.h>
  23
  24 template<typename Container>
  25 void
  26 test(std::initializer_list<typename Container::value_type> vals)
  27 {
  28   Container c{vals};
  29   c = std::move(c);
  30   VERIFY( c == c );
  31
  32   auto it = c.begin();
  33   it = std::move(it);
  34   VERIFY( it == c.begin() );
  35 }
  36
  37 int
  38 main()
  39 {
  40   test<std::list<int>>({1, 2, 3});
  41   test<std::list<std::list<int>>>({{1,2}, {3,4}, {5,6}, {7,8}});
  42   test<__gnu_debug::list<int>>({1, 2, 3});
  43   test<__gnu_debug::list<std::list<int>>>({{1,2}, {3,4}});
  44 }