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 // constexpr sentinel_t<Base> base() const;
12
13 #include <ranges>
14 #include <cassert>
15
16 #include "test_macros.h"
17 #include "test_iterators.h"
18 #include "../types.h"
19
test()20 constexpr bool test() {
21 int buffer[8] = {1, 2, 3, 4, 5, 6, 7, 8};
22 {
23 std::ranges::take_view<MoveOnlyView> tv(MoveOnlyView(buffer), 4);
24 std::same_as<sentinel_wrapper<int*>> auto sw1 = tv.end().base();
25 assert(base(sw1) == buffer + 8);
26 std::same_as<sentinel_wrapper<int*>> auto sw2 = std::as_const(tv).end().base();
27 assert(base(sw2) == buffer + 8);
28 }
29 return true;
30 }
31
main(int,char **)32 int main(int, char**) {
33 test();
34 static_assert(test());
35
36 return 0;
37 }
38