libstdc++-v3/testsuite/24_iterators/back_insert_iterator/requirements/base_classes.cc

   1 // { dg-do compile }
   2 // { dg-require-effective-target hosted }
   3
   4 // 2001-06-21  Benjamin Kosnik  <bkoz@redhat.com>
   5
   6 // Copyright (C) 2001-2022 Free Software Foundation, Inc.
   7 //
   8 // This file is part of the GNU ISO C++ Library.  This library is free
   9 // software; you can redistribute it and/or modify it under the
  10 // terms of the GNU General Public License as published by the
  11 // Free Software Foundation; either version 3, or (at your option)
  12 // any later version.
  13
  14 // This library is distributed in the hope that it will be useful,
  15 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  16 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17 // GNU General Public License for more details.
  18
  19 // You should have received a copy of the GNU General Public License along
  20 // with this library; see the file COPYING3.  If not see
  21 // <http://www.gnu.org/licenses/>.
  22
  23 // 24.4.2.1 Template class back_insert_iterator
  24
  25 #include <iterator>
  26 #include <list>
  27
  28 void test01()
  29 {
  30   using namespace std;
  31
  32   // Check for required base class.
  33   list<int> l;
  34   typedef back_insert_iterator<list<int> > test_iterator;
  35   typedef iterator<output_iterator_tag, void, void, void, void> base_iterator; // { dg-warning "is deprecated" "" { target c++17 } }
  36   test_iterator  r_it(l);
  37   base_iterator* base __attribute__((unused)) = &r_it;
  38 }