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// Copyright (C) 2000-2022 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/>.
// 20.4.5 Template class auto_ptr [lib.auto.ptr]
// { dg-options "-std=c++98" }
#include <memory>
#include <testsuite_hooks.h>
struct A
{
A() { ++ctor_count; }
virtual ~A() { ++dtor_count; }
static long ctor_count;
static long dtor_count;
};
long A::ctor_count = 0;
long A::dtor_count = 0;
struct B : A
{
B() { ++ctor_count; }
virtual ~B() { ++dtor_count; }
static long ctor_count;
static long dtor_count;
};
long B::ctor_count = 0;
long B::dtor_count = 0;
struct reset_count_struct
{
~reset_count_struct()
{
A::ctor_count = 0;
A::dtor_count = 0;
B::ctor_count = 0;
B::dtor_count = 0;
}
};
// 20.4.5.3 auto_ptr conversions [lib.auto.ptr.conv]
// Parameters and return values
template <typename T>
static std::auto_ptr<T> source()
{
return std::auto_ptr<T>(new T);
}
template <typename T>
static void drain(std::auto_ptr<T>)
{}
int
test07()
{
reset_count_struct __attribute__((unused)) reset;
drain(source<A>());
// The resolution of core issue 84, now a DR, breaks this call.
// drain<A>(source<B>());
drain(source<B>());
VERIFY( A::ctor_count == 2 );
VERIFY( A::dtor_count == 2 );
VERIFY( B::ctor_count == 1 );
VERIFY( B::dtor_count == 1 );
return 0;
}
int
main()
{
test07();
return 0;
}