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[thirdparty/gcc.git] / libstdc++-v3 / testsuite / 24_iterators / reverse_iterator / 100639.cc

// Copyright (C) 2021-2024 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-do compile { target c++20 } }
// { dg-add-options strict_std }

// 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>>);
}