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// { dg-options "-std=gnu++11" }
// Copyright (C) 2013-2015 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 <testsuite_hooks.h>
struct X { };
using spcd = std::_Sp_counted_deleter<X*, std::default_delete<X>,
std::allocator<void>, std::__default_lock_policy>;
namespace std
{
template<>
struct allocator<spcd>
{
using value_type = spcd;
allocator() = default;
template<typename U>
allocator(const allocator<U>&) { }
value_type* allocate(size_t n)
{
if (n != 1)
throw bad_alloc();
allocated = true;
return static_cast<value_type*>((void*)(storage));
}
void deallocate(value_type* p, size_t n)
{
VERIFY(n == 1 && p == (void*)storage && allocated);
allocated = false;
}
template<typename _Up, typename... _Args>
void construct(_Up* __p, _Args&&... __args)
{ ::new(__p) _Up(std::forward<_Args>(__args)...); }
template<typename _Up>
void destroy(_Up* __p)
{ __p->~_Up(); }
static char storage[sizeof(spcd)];
static bool allocated;
};
char allocator<spcd>::storage[];
bool allocator<spcd>::allocated = false;
}
int main()
{
std::shared_ptr<X> s( std::unique_ptr<X>(new X) );
VERIFY( std::allocator<spcd>::allocated );
s.reset();
VERIFY( !std::allocator<spcd>::allocated );
}
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