43 lines · cpp
1//===----------------------------------------------------------------------===//2//3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.4// See https://llvm.org/LICENSE.txt for license information.5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception6//7//===----------------------------------------------------------------------===//8 9// UNSUPPORTED: c++03, c++11, c++14, c++1710// UNSUPPORTED: no-filesystem11 12// recursive_directory_iterator13 14#include <filesystem>15 16#include <concepts>17#include <ranges>18namespace fs = std::filesystem;19 20static_assert(std::same_as<std::ranges::iterator_t<fs::recursive_directory_iterator>, fs::recursive_directory_iterator>);21static_assert(std::ranges::common_range<fs::recursive_directory_iterator>);22static_assert(std::ranges::input_range<fs::recursive_directory_iterator>);23static_assert(std::ranges::view<fs::recursive_directory_iterator>);24static_assert(!std::ranges::sized_range<fs::recursive_directory_iterator>);25static_assert(std::ranges::borrowed_range<fs::recursive_directory_iterator>);26static_assert(std::ranges::viewable_range<fs::recursive_directory_iterator>);27 28static_assert(std::same_as<std::ranges::iterator_t<fs::recursive_directory_iterator&>, fs::recursive_directory_iterator>);29static_assert(std::ranges::common_range<fs::recursive_directory_iterator&>);30static_assert(std::ranges::input_range<fs::recursive_directory_iterator&>);31static_assert(!std::ranges::view<fs::recursive_directory_iterator&>);32static_assert(!std::ranges::sized_range<fs::recursive_directory_iterator&>);33static_assert(std::ranges::borrowed_range<fs::recursive_directory_iterator&>);34static_assert(std::ranges::viewable_range<fs::recursive_directory_iterator&>);35 36static_assert(std::same_as<std::ranges::iterator_t<const fs::recursive_directory_iterator&>, fs::recursive_directory_iterator>);37static_assert(std::ranges::common_range<const fs::recursive_directory_iterator&>);38static_assert(std::ranges::input_range<const fs::recursive_directory_iterator&>);39static_assert(!std::ranges::view<const fs::recursive_directory_iterator&>);40static_assert(!std::ranges::sized_range<const fs::recursive_directory_iterator&>);41static_assert(std::ranges::borrowed_range<const fs::recursive_directory_iterator&>);42static_assert(std::ranges::viewable_range<const fs::recursive_directory_iterator&>);43