// { dg-do run { target c++11 } }

// Copyright (C) 2010-2023 Free Software Foundation, Inc.
//
// 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 3, 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 COPYING3.  If not see
// <http://www.gnu.org/licenses/>.

// 20.9.10.2.5 unique_ptr modifiers [unique.ptr.single.modifiers]

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

struct D
{
  static int count;

  void operator()(int* p) const
  {
    ++count;
    delete p;
  }
};
int D::count = 0;

void test01()
{
  std::unique_ptr<int, D> up;
  up.reset();
  VERIFY( D::count == 0 );
  up.reset(new int);
  VERIFY( D::count == 0 );
  up.reset(up.get());
  VERIFY( D::count == 1 );
  up.release();
}

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