// Copyright (C) 2021-2023 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/>.

// { dg-options "-std=c++2a" }
// { dg-do compile { target c++2a } }

// PR libstdc++/100639

#include <iterator>
#include <ranges>

void
test01()
{
  using iter = std::ranges::iterator_t<std::ranges::iota_view<long long>>;
  using riter = std::reverse_iterator<iter>;
  static_assert(std::same_as<std::iter_reference_t<iter>,
			     std::iter_reference_t<riter>>);
  static_assert(std::same_as<std::iter_value_t<iter>,
			     std::iter_value_t<riter>>);
  static_assert(std::same_as<std::iter_difference_t<iter>,
			     std::iter_difference_t<riter>>);
}