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

// Copyright (C) 2008-2023 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/>.

// 20.6.11 Template class unique_ptr [unique.ptr]

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

struct A
{
  virtual ~A() { }
};

struct B : A
{
};

// 20.6.11.5 unqiue_ptr specialized algorithms [unique.ptr.special]

void
test01()
{
  std::unique_ptr<A> p1;
  std::unique_ptr<A> p2;

  VERIFY( p1 == p2 );
  VERIFY( !(p1 != p2) );
  VERIFY( !(p1 < p2) && !(p1 > p2) );
}

void
test02()
{
  std::unique_ptr<A> p1;
  std::unique_ptr<A> p2(new A);

  VERIFY( p1 != p2 );
  VERIFY( !(p1 == p2) );
  VERIFY( (p1 < p2) || (p1 > p2) );
  VERIFY( ((p1 <= p2) && (p1 != p2)) || ((p1 >= p2) && (p1 != p2)) );
}

int main()
{
  test01();
  test02();
  return 0;
}