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// { dg-do run }
// { dg-options "-std=gnu++11 -g -O0" }
// Copyright (C) 2012-2016 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 } }
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