// { dg-do run { target c++11 } }

// Copyright (C) 2012-2023 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
// <http://www.gnu.org/licenses/>.

// 20.7.1 Template class unique_ptr [unique.ptr]

#include <memory>
#include <testsuite_hooks.h>

struct A;

struct B
{
  std::unique_ptr<A> a;
};

struct A
{
  B* b;
  ~A() { VERIFY(b->a != nullptr); }
};

void test01()
{
  B b;
  b.a.reset(new A);
  b.a->b = &b;
}

struct C;

struct D
{
  std::unique_ptr<C[]> c;
};

struct C
{
  D* d;
  ~C() { VERIFY(d->c != nullptr); }
};

void test02()
{
  D d;
  d.c.reset(new C[1]);
  d.c[0].d = &d;
}

int main()
{
  test01();
  test02();
}