libstdc++-v3/testsuite/23_containers/forward_list/operations/2.cc

   1 // { dg-do run { target c++11 } }
   2
   3 // Copyright (C) 2008-2018 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 // This test verifies the following:
  26 //   remove
  27 void
  28 test01()
  29 {
  30   std::forward_list<int> fl ={0, 1, 2, 3, 4, 5, 6, 7, 8, 9};
  31
  32   fl.remove(7);
  33
  34   std::forward_list<int>::const_iterator pos = fl.cbefore_begin();
  35   for (std::size_t i = 0; i < 7; ++i)
  36     ++pos;
  37   VERIFY(*pos == 6);
  38
  39   ++pos;
  40   VERIFY(*pos == 8);
  41 }
  42
  43 int
  44 main()
  45 {
  46   test01();
  47   return 0;
  48 }