| //===----------------------------------------------------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // UNSUPPORTED: c++03, c++11, c++14, c++17 |
| // UNSUPPORTED: libcpp-no-concepts |
| // UNSUPPORTED: gcc-10 |
| // UNSUPPORTED: libcpp-has-no-incomplete-ranges |
| |
| // sentinel() = default; |
| // constexpr explicit sentinel(sentinel_t<Base> end); |
| // constexpr sentinel(sentinel<!Const> s) |
| // requires Const && convertible_to<sentinel_t<V>, sentinel_t<Base>>; |
| |
| #include <ranges> |
| #include <cassert> |
| |
| #include "test_macros.h" |
| #include "test_iterators.h" |
| #include "../types.h" |
| |
| constexpr bool test() { |
| int buffer[8] = {1, 2, 3, 4, 5, 6, 7, 8}; |
| auto sw = sentinel_wrapper<int *>(buffer + 8); // Note: not 4, but that's OK. |
| |
| { |
| const std::ranges::take_view<ContiguousView> tv(ContiguousView{buffer}, 4); |
| assert(tv.end().base().base() == sw.base()); |
| ASSERT_SAME_TYPE(decltype(tv.end().base()), sentinel_wrapper<int *>); |
| } |
| |
| { |
| std::ranges::take_view<ContiguousView> tv(ContiguousView{buffer}, 4); |
| assert(tv.end().base().base() == sw.base()); |
| ASSERT_SAME_TYPE(decltype(tv.end().base()), sentinel_wrapper<int *>); |
| } |
| |
| return true; |
| } |
| |
| int main(int, char**) { |
| test(); |
| static_assert(test()); |
| |
| return 0; |
| } |