libstdc++-v3/testsuite/24_iterators/reverse_iterator/2.cc

   1 // 2001-06-21  Benjamin Kosnik  <bkoz@redhat.com>
   2
   3 // Copyright (C) 2001, 2002, 2003 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 2, 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 COPYING.  If not, write to the Free
  18 // Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
  19 // USA.
  20
  21 // 24.4.1.2 Reverse iterators
  22
  23 #include <iterator>
  24
  25 void test02()
  26 {
  27   typedef std::reverse_iterator<int*> iterator_type;
  28   iterator_type it01;
  29   iterator_type it02;
  30
  31   // Sanity check non-member operators and functions can be instantiated.
  32   it01 == it02;
  33   it01 != it02;
  34   it01 < it02;
  35   it01 <= it02;
  36   it01 > it02;
  37   it01 >= it02;
  38   it01 - it02;
  39   5 + it02;
  40 }
  41
  42 // Check data member 'current' accessible.
  43 class test_dm : public std::reverse_iterator<int*>
  44 {
  45   int* p;
  46 public:
  47   test_dm(): p(current) { }
  48 };
  49
  50 int main()
  51 {
  52   test02();
  53   return 0;
  54 }