Subversion Repositories openrisc_me

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

// Copyright (C) 2005, 2006, 2007, 2008, 2009 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/>.

// 20.6.6.2 Template class shared_ptr [util.smartptr.shared]

#include <memory>

#include <testsuite_hooks.h>

struct A { };

struct B : A { };

// 20.6.6.2.5 shared_ptr observers [util.smartptr.shared.obs]

// use_count

void

test01()

{

  bool test __attribute__((unused)) = true;

  const std::shared_ptr<A> p1;

  VERIFY( p1.use_count() == 0 );

  const std::shared_ptr<A> p2(p1);

  VERIFY( p1.use_count() == 0 );

}

void

test02()

{

  bool test __attribute__((unused)) = true;

  std::shared_ptr<A> p1(new A);

  std::shared_ptr<A> p2(p1);

  p1.reset();

  VERIFY( p1.use_count() == 0 );

  VERIFY( p2.use_count() == 1 );

}

void

test03()

{

  bool test __attribute__((unused)) = true;

  std::shared_ptr<A> p1(new A);

  std::shared_ptr<A> p2(p1);

  p2.reset(new B);

  VERIFY( p1.use_count() == 1 );

  VERIFY( p2.use_count() == 1 );

}

int

main()

{

  test01();

  test02();

  test03();

  return 0;

}