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// { dg-do run }

// { dg-options "-std=gnu++11 -g" }

// Copyright (C) 2012 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/>.

#include <memory>

#include <iostream>

template<class T>

void

placeholder(const T &s)

{

  std::cout << s;

}

template<class T>

void

use(const T &p)

{

  placeholder(&p);

}

struct deleter { void operator()(int*) {} };

std::shared_ptr<int> make(uintptr_t p)

{

  return std::shared_ptr<int>(reinterpret_cast<int*>(p), deleter());

}

int

main()

{

  typedef std::shared_ptr<int> shared;

  typedef std::weak_ptr<int> weak;

  shared esp;

// { dg-final { note-test esp "std::shared_ptr (empty) 0x0" } }

  weak ewp1;

// { dg-final { note-test ewp1 "std::weak_ptr (empty) 0x0" } }

  weak ewp2 = esp;

// { dg-final { note-test ewp2 "std::weak_ptr (empty) 0x0" } }

  shared sp1 = make(0x12345678);

  shared sp2 = sp1;

// { dg-final { note-test sp1 "std::shared_ptr (count 2, weak 0) 0x12345678" } }

  shared sp3 = make(0x12344321);

  weak sp4 = sp3;

  weak wp1 = sp3;

// { dg-final { note-test wp1 "std::weak_ptr (count 1, weak 2) 0x12344321" } }

  shared sp5 = make(0x56788765);

  weak wp2 = sp5;

  sp5.reset();

// { dg-final { note-test wp2 "std::weak_ptr (expired, weak 1) 0x56788765" } }

  placeholder(""); // Mark SPOT

  use(esp);

  use(ewp1);

  use(ewp2);

  use(sp1);

  use(wp1);

  use(wp2);

  return 0;

}

// { dg-final { gdb-test SPOT } }