re PR testsuite/39696 (gcc.dg/tree-ssa/ssa-ccp-25.c scan-tree-dump doesn't work on...

[thirdparty/gcc.git] / libstdc++-v3 / testsuite / 20_util / shared_ptr / cons / unique_ptr_deleter.cc

// { dg-options "-std=gnu++0x" }

// Copyright (C) 2008 Free Software Foundation
//
// This file is part of the GNU ISO C++ Library.  This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 2, or (at your option)
// any later version.

// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.

// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING.  If not, write to the Free
// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
// USA.

// 20.7.12.2 Template class shared_ptr [util.smartptr.shared]

#include <memory>
#include <testsuite_hooks.h>

struct A { };

struct D {
    void operator()(A* p) const { delete p;  ++count; }
    static int count;
};

int D::count = 0;

// 20.7.12.2.1 shared_ptr constructors [util.smartptr.shared.const]

// Construction from unique_ptr
int
test01()
{
  bool test __attribute__((unused)) = true;

  std::unique_ptr<A, D> up(new A, D());
  {
      std::shared_ptr<A> sp(std::move(up));
      VERIFY( up.get() == 0 );
      VERIFY( sp.get() != 0 );
      VERIFY( sp.use_count() == 1 );
  }
  VERIFY( D::count == 1 );

  return 0;
}

int
main()
{
  test01();
  return 0;
}