libstdc++-v3/testsuite/24_iterators/reverse_iterator/1.cc

   1 // { dg-do compile }
   2 // 2001-06-21  Benjamin Kosnik  <bkoz@redhat.com>
   3
   4 // Copyright (C) 2001, 2002, 2003 Free Software Foundation, Inc.
   5 //
   6 // This file is part of the GNU ISO C++ Library.  This library is free
   7 // software; you can redistribute it and/or modify it under the
   8 // terms of the GNU General Public License as published by the
   9 // Free Software Foundation; either version 2, or (at your option)
  10 // any later version.
  11
  12 // This library is distributed in the hope that it will be useful,
  13 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 // GNU General Public License for more details.
  16
  17 // You should have received a copy of the GNU General Public License along
  18 // with this library; see the file COPYING.  If not, write to the Free
  19 // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
  20 // USA.
  21
  22 // 24.4.1.2 Reverse iterators
  23
  24 #include <iterator>
  25
  26 void test01()
  27 {
  28   using namespace std;
  29
  30   // Check for required base class.
  31   long l;
  32   typedef reverse_iterator<long*> test_iterator;
  33   typedef iterator<iterator_traits<long*>::iterator_category,
  34                    iterator_traits<long*>::value_type,
  35                    iterator_traits<long*>::difference_type,
  36                    iterator_traits<long*>::pointer,
  37                    iterator_traits<long*>::reference>
  38     base_iterator;
  39   test_iterator  r_it(&l);
  40   base_iterator* base __attribute__((unused)) = &r_it;
  41
  42   // Check for required typedefs
  43   typedef test_iterator::value_type value_type;
  44   typedef test_iterator::difference_type difference_type;
  45   typedef test_iterator::pointer pointer;
  46   typedef test_iterator::reference reference;
  47   typedef test_iterator::iterator_category iteratory_category;
  48 }
  49
  50 // Make sure iterator can be instantiated.
  51 template class std::reverse_iterator<int*>;