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 
11 // Test that reverse_view conforms to range and view concepts.
12 
13 #include <ranges>
14 
15 #include <cassert>
16 #include <concepts>
17 
18 #include "test_iterators.h"
19 #include "test_range.h"
20 
21 static_assert( std::ranges::bidirectional_range<std::ranges::reverse_view<test_view<bidirectional_iterator>>>);
22 static_assert( std::ranges::random_access_range<std::ranges::reverse_view<test_view<random_access_iterator>>>);
23 static_assert( std::ranges::random_access_range<std::ranges::reverse_view<test_view<contiguous_iterator>>>);
24 static_assert(!std::ranges::contiguous_range<std::ranges::reverse_view<test_view<contiguous_iterator>>>);
25 
26 static_assert(std::ranges::view<std::ranges::reverse_view<test_view<bidirectional_iterator>>>);
27