libstdc++-v3/testsuite/24_iterators/reverse_iterator/11729.cc

   1 // 2005-10-04  Paolo Carlini  <pcarlini@suse.de>
   2
   3 // Copyright (C) 2005-2019 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 // 24.4.1.2 Reverse iterators
  21
  22 #include <vector>
  23 #include <testsuite_hooks.h>
  24
  25 // libstdc++/11729
  26 void test01()
  27 {
  28   typedef std::vector<int> Vec;
  29   typedef Vec::reverse_iterator reverse_iterator;
  30   typedef Vec::const_reverse_iterator const_reverse_iterator;
  31
  32   Vec v(2);
  33
  34   reverse_iterator rbeg = v.rbegin();
  35   reverse_iterator rend = v.rend();
  36   const_reverse_iterator constrbeg(rbeg);
  37   const_reverse_iterator constrend(rend);
  38
  39   VERIFY( rbeg == constrbeg );
  40   VERIFY( constrend == rend );
  41
  42   VERIFY( rbeg != constrend );
  43   VERIFY( constrbeg != rend );
  44
  45   VERIFY( rbeg < constrend );
  46   VERIFY( constrbeg < rend );
  47
  48   VERIFY( rend > constrbeg );
  49   VERIFY( constrend > rbeg );
  50
  51   VERIFY( rend >= constrend );
  52   VERIFY( constrbeg >= rbeg );
  53
  54   VERIFY( rbeg <= constrbeg );
  55   VERIFY( constrend <= rend );
  56
  57   VERIFY( rbeg - constrbeg == 0 );
  58   VERIFY( constrend - rend == 0 );
  59
  60   VERIFY( rend - constrbeg > 0 );
  61   VERIFY( constrend - rbeg > 0 );
  62
  63   VERIFY( (constrbeg = rend) == rend );
  64 }
  65
  66 int main()
  67 {
  68   test01();
  69   return 0;
  70 }