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-exception
6 //
7 //===----------------------------------------------------------------------===//
8 
9 // UNSUPPORTED: c++03, c++11, c++14, c++17
10 // UNSUPPORTED: availability-filesystem-missing
11 
12 // path
13 
14 #include <filesystem>
15 
16 #include <concepts>
17 #include <ranges>
18 namespace fs = std::filesystem;
19 
20 static_assert(std::same_as<std::ranges::iterator_t<fs::path>, fs::path::iterator>);
21 static_assert(std::ranges::common_range<fs::path>);
22 static_assert(std::ranges::bidirectional_range<fs::path>);
23 static_assert(!std::ranges::view<fs::path>);
24 static_assert(!std::ranges::random_access_range<fs::path>);
25 static_assert(!std::ranges::sized_range<fs::path>);
26 static_assert(!std::ranges::borrowed_range<fs::path>);
27 static_assert(std::ranges::viewable_range<fs::path>);
28 
29 static_assert(std::same_as<std::ranges::iterator_t<fs::path const>, fs::path::const_iterator>);
30 static_assert(std::ranges::common_range<fs::path const>);
31 static_assert(std::ranges::bidirectional_range<fs::path const>);
32 static_assert(!std::ranges::view<fs::path const>);
33 static_assert(!std::ranges::random_access_range<fs::path const>);
34 static_assert(!std::ranges::sized_range<fs::path const>);
35 static_assert(!std::ranges::borrowed_range<fs::path const>);
36 static_assert(!std::ranges::viewable_range<fs::path const>);
37