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

// Copyright (C) 2010 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 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/>.

// 20.9.11.2 Template class shared_ptr [util.smartptr.shared]

#include <memory>

#include <testsuite_hooks.h>

struct A

{

};

std::unique_ptr<A>

create_unique_ptr()

{

  return std::unique_ptr<A>(new A());

}

std::auto_ptr<A>

create_auto_ptr()

{

  return std::auto_ptr<A>(new A());

}

void

process(std::shared_ptr<A> a)

{

  bool test __attribute__((unused)) = true;

  VERIFY( a.get() != 0 );

  VERIFY( a.use_count() == 1 );

}

// 20.9.11.2.1 shared_ptr creation [util.smartptr.shared.const]

// Implicit conversion of auto_ptr to shared_ptr is allowed

void

test01()

{

  process(create_auto_ptr());

}

void

test02()

{

  std::auto_ptr<A> a = create_auto_ptr();

  process(std::move(a));

}

// Implicit conversion of unique_ptr to shared_ptr is allowed

void

test03()

{

  process(create_unique_ptr());

}

void

test04()

{

  std::unique_ptr<A> a = create_unique_ptr();

  process(std::move(a));

}

int

main()

{

  test01();

  test02();

  test03();

  test04();

  return 0;

}