libstdc++-v3/testsuite/20_util/weak_ptr/lock/1.cc

   1 // 2006-09-24  Paolo Carlini  <pcarlini@suse.de>
   2
   3 // Copyright (C) 2006, 2007 Free Software Foundation
   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 // 20.6.6.3 Template class weak_ptr [util.smartptr.weak]
  22
  23 #include <memory>
  24 #include <testsuite_tr1.h>
  25
  26 // { dg-do compile }
  27 // { dg-options "-std=gnu++0x" }
  28
  29 int main()
  30 {
  31   using __gnu_test::check_ret_type;
  32   using std::weak_ptr;
  33   using std::shared_ptr;
  34
  35   weak_ptr<int> wp;
  36   check_ret_type<shared_ptr<int> >(wp.lock());
  37 }