libstdc++-v3/testsuite/20_util/weak_ptr/requirements/explicit_instantiation/2.cc

   1 // { dg-do compile { target c++11 } }
   2
   3 // Copyright (C) 2007-2019 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 // 20.6.6.2 Template class shared_ptr [util.smartptr.shared]
  21
  22 #include <memory>
  23 #include <testsuite_tr1.h>
  24
  25 // Check the _S_single lock policy can be instantiated. For a thread-enabled
  26 // library this checks the templates can be instantiated for non-default
  27 // lock policy, for a single-threaded lib this is redundant but harmless.
  28 using namespace __gnu_test;
  29 using std::_S_single;
  30 template class std::__weak_ptr<int, _S_single>;
  31 template class std::__weak_ptr<void, _S_single>;
  32 template class std::__weak_ptr<ClassType, _S_single>;
  33 template class std::__weak_ptr<IncompleteClass, _S_single>;