// { dg-do run { target c++11 } }
// { dg-require-effective-target hosted }
// Copyright (C) 2005-2023 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
// .
// 20.6.6.2 Template class shared_ptr [util.smartptr.shared]
#include
#include
struct A { };
// 20.6.6.2.5 shared_ptr observers [util.smartptr.shared.obs]
// conversion to bool
void
test01()
{
const std::shared_ptr p1;
VERIFY( static_cast(p1) == false );
const std::shared_ptr p2(p1);
VERIFY( static_cast(p2) == false );
}
void
test02()
{
std::shared_ptr p1(new A);
VERIFY( static_cast(p1) );
std::shared_ptr p2(p1);
VERIFY( static_cast(p2) );
p1.reset();
VERIFY( !static_cast(p1) );
VERIFY( static_cast(p2) );
}
void
test03()
{
std::shared_ptr p1(new A);
std::shared_ptr p2(p1);
p2.reset(new A);
VERIFY( static_cast(p1) );
VERIFY( static_cast(p2) );
}
int
main()
{
test01();
test02();
test03();
return 0;
}