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 explicit sentinel(split_view& parent);
12
13#include <cassert>
14#include <ranges>
15#include <type_traits>
16
17#include "test_iterators.h"
18
19// test explicit
20using Range = std::ranges::subrange<int*, sentinel_wrapper<int*>>;
21using SplitView = std::ranges::split_view<Range, std::ranges::single_view<int>>;
22using SplitSent = std::ranges::sentinel_t<SplitView>;
23
24static_assert(std::is_constructible_v<SplitSent, SplitView&>);
25static_assert(!std::is_convertible_v<SplitView&, SplitSent>);
26
27constexpr bool test() {
28 {
29 int buffer[] = {0, 1, 2};
30 Range input{buffer, sentinel_wrapper<int*>(buffer + 3)};
31 SplitView sv(input, -1);
32 auto it = sv.begin();
33
34 SplitSent sent(sv);
35 assert(sent != it);
36
37 ++it;
38 assert(sent == it);
39 }
40
41 return true;
42}
43
44int main(int, char**) {
45 test();
46 static_assert(test());
47
48 return 0;
49}
50

source code of libcxx/test/std/ranges/range.adaptors/range.split/sentinel/ctor.parent.pass.cpp