libstdc++-v3/testsuite/23_containers/forward_list/operations/7.cc

   1 // { dg-do run { target c++11 } }
   2
   3 // Copyright (C) 2008-2019 Free Software Foundation, Inc.
   4 //
   5 // This file is part of the GNU ISO C++ Library.  This library is free
   6 // software; you can redistribute it and/or modify it under the
   7 // terms of the GNU General Public License as published by the
   8 // Free Software Foundation; either version 3, or (at your option)
   9 // any later version.
  10
  11 // This library is distributed in the hope that it will be useful,
  12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 // GNU General Public License for more details.
  15
  16 // You should have received a copy of the GNU General Public License along
  17 // with this library; see the file COPYING3.  If not see
  18 // <http://www.gnu.org/licenses/>.
  19
  20 // 23.2.3.n forward_list xxx [lib.forward_list.xxx]
  21
  22 #include <forward_list>
  23 #include <testsuite_hooks.h>
  24
  25 #include <algorithm>
  26
  27 // This test verifies the following:
  28 //
  29 void
  30 test01()
  31 {
  32   const unsigned int n = 13;
  33   int order[n] = {0,1,2,3,4,5,6,7,8,9,10,11,12};
  34
  35   std::forward_list<int> fl(order, order + n);
  36
  37   std::forward_list<int> fl2;
  38   for (std::size_t i = 0; i < n; ++i)
  39     fl2.push_front(order[i]);
  40
  41   fl.reverse();
  42
  43   VERIFY(std::lexicographical_compare(fl.begin(), fl.end(),
  44                                       fl2.begin(), fl2.end()) == false);
  45 }
  46
  47 int
  48 main()
  49 {
  50   test01();
  51   return 0;
  52 }