libstdc++-v3/testsuite/23_containers/deque/70303.cc

   1 // Copyright (C) 2021-2024 Free Software Foundation, Inc.
   2 //
   3 // This file is part of the GNU ISO C++ Library.  This library is free
   4 // software; you can redistribute it and/or modify it under the
   5 // terms of the GNU General Public License as published by the
   6 // Free Software Foundation; either version 3, or (at your option)
   7 // any later version.
   8
   9 // This library is distributed in the hope that it will be useful,
  10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 // GNU General Public License for more details.
  13
  14 // You should have received a copy of the GNU General Public License along
  15 // with this library; see the file COPYING3.  If not see
  16 // <http://www.gnu.org/licenses/>.
  17
  18 // { dg-do run }
  19
  20 #include <deque>
  21 #include <testsuite_hooks.h>
  22
  23 // PR libstdc++/70303
  24
  25 void test01()
  26 {
  27   typedef typename std::deque<int>::iterator It;
  28   It it = It();
  29   VERIFY(it == it);
  30   VERIFY(!(it != it));
  31   VERIFY(it - it == 0);
  32   VERIFY(!(it < it));
  33   VERIFY(!(it > it));
  34   VERIFY(it <= it);
  35   VERIFY(it >= it);
  36
  37   typedef typename std::deque<int>::const_iterator CIt;
  38   CIt cit = CIt();
  39   VERIFY(cit == cit);
  40   VERIFY(!(cit != cit));
  41   VERIFY(cit - cit == 0);
  42   VERIFY(!(cit < cit));
  43   VERIFY(!(cit > cit));
  44   VERIFY(cit <= cit);
  45   VERIFY(cit >= cit);
  46
  47   VERIFY(it == cit);
  48   VERIFY(!(it != cit));
  49   VERIFY(cit == it);
  50   VERIFY(!(cit != it));
  51   VERIFY(it - cit == 0);
  52   VERIFY(cit - it == 0);
  53   VERIFY(!(it < cit));
  54   VERIFY(!(it > cit));
  55   VERIFY(it <= cit);
  56   VERIFY(it >= cit);
  57   VERIFY(!(cit < it));
  58   VERIFY(!(cit > it));
  59   VERIFY(cit <= it);
  60   VERIFY(cit >= it);
  61 }
  62
  63 int main()
  64 {
  65   test01();
  66   return 0;
  67 }