| 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 | // <iterator> |
| 12 | |
| 13 | // template<semiregular S> |
| 14 | // class move_sentinel; |
| 15 | |
| 16 | #include <iterator> |
| 17 | |
| 18 | #include "test_iterators.h" |
| 19 | |
| 20 | void test() |
| 21 | { |
| 22 | // Pointer. |
| 23 | { |
| 24 | using It = int*; |
| 25 | static_assert( std::sentinel_for<std::move_sentinel<It>, std::move_iterator<It>>); |
| 26 | static_assert( std::sized_sentinel_for<std::move_sentinel<It>, std::move_iterator<It>>); |
| 27 | static_assert( std::sentinel_for<std::move_sentinel<sentinel_wrapper<It>>, std::move_iterator<It>>); |
| 28 | static_assert(!std::sized_sentinel_for<std::move_sentinel<sentinel_wrapper<It>>, std::move_iterator<It>>); |
| 29 | static_assert( std::sentinel_for<std::move_sentinel<sized_sentinel<It>>, std::move_iterator<It>>); |
| 30 | static_assert( std::sized_sentinel_for<std::move_sentinel<sized_sentinel<It>>, std::move_iterator<It>>); |
| 31 | } |
| 32 | |
| 33 | // `Cpp17InputIterator`. |
| 34 | { |
| 35 | using It = cpp17_input_iterator<int*>; |
| 36 | static_assert( std::sentinel_for<std::move_sentinel<sentinel_wrapper<It>>, std::move_iterator<It>>); |
| 37 | static_assert(!std::sized_sentinel_for<std::move_sentinel<sentinel_wrapper<It>>, std::move_iterator<It>>); |
| 38 | static_assert( std::sentinel_for<std::move_sentinel<sized_sentinel<It>>, std::move_iterator<It>>); |
| 39 | static_assert( std::sized_sentinel_for<std::move_sentinel<sized_sentinel<It>>, std::move_iterator<It>>); |
| 40 | } |
| 41 | |
| 42 | // `std::input_iterator`. |
| 43 | { |
| 44 | using It = cpp20_input_iterator<int*>; |
| 45 | static_assert( std::sentinel_for<std::move_sentinel<sentinel_wrapper<It>>, std::move_iterator<It>>); |
| 46 | static_assert(!std::sized_sentinel_for<std::move_sentinel<sentinel_wrapper<It>>, std::move_iterator<It>>); |
| 47 | static_assert( std::sentinel_for<std::move_sentinel<sized_sentinel<It>>, std::move_iterator<It>>); |
| 48 | static_assert( std::sized_sentinel_for<std::move_sentinel<sized_sentinel<It>>, std::move_iterator<It>>); |
| 49 | } |
| 50 | |
| 51 | // `std::forward_iterator`. |
| 52 | { |
| 53 | using It = forward_iterator<int*>; |
| 54 | static_assert( std::sentinel_for<std::move_sentinel<It>, std::move_iterator<It>>); |
| 55 | static_assert(!std::sized_sentinel_for<std::move_sentinel<It>, std::move_iterator<It>>); |
| 56 | static_assert( std::sentinel_for<std::move_sentinel<sentinel_wrapper<It>>, std::move_iterator<It>>); |
| 57 | static_assert(!std::sized_sentinel_for<std::move_sentinel<sentinel_wrapper<It>>, std::move_iterator<It>>); |
| 58 | static_assert( std::sentinel_for<std::move_sentinel<sized_sentinel<It>>, std::move_iterator<It>>); |
| 59 | static_assert( std::sized_sentinel_for<std::move_sentinel<sized_sentinel<It>>, std::move_iterator<It>>); |
| 60 | } |
| 61 | |
| 62 | // `std::bidirectional_iterator`. |
| 63 | { |
| 64 | using It = bidirectional_iterator<int*>; |
| 65 | static_assert( std::sentinel_for<std::move_sentinel<It>, std::move_iterator<It>>); |
| 66 | static_assert(!std::sized_sentinel_for<std::move_sentinel<It>, std::move_iterator<It>>); |
| 67 | static_assert( std::sentinel_for<std::move_sentinel<sentinel_wrapper<It>>, std::move_iterator<It>>); |
| 68 | static_assert(!std::sized_sentinel_for<std::move_sentinel<sentinel_wrapper<It>>, std::move_iterator<It>>); |
| 69 | static_assert( std::sentinel_for<std::move_sentinel<sized_sentinel<It>>, std::move_iterator<It>>); |
| 70 | static_assert( std::sized_sentinel_for<std::move_sentinel<sized_sentinel<It>>, std::move_iterator<It>>); |
| 71 | } |
| 72 | |
| 73 | // `std::random_access_iterator`. |
| 74 | { |
| 75 | using It = random_access_iterator<int*>; |
| 76 | static_assert( std::sentinel_for<std::move_sentinel<It>, std::move_iterator<It>>); |
| 77 | static_assert( std::sized_sentinel_for<std::move_sentinel<It>, std::move_iterator<It>>); |
| 78 | static_assert( std::sentinel_for<std::move_sentinel<sentinel_wrapper<It>>, std::move_iterator<It>>); |
| 79 | static_assert(!std::sized_sentinel_for<std::move_sentinel<sentinel_wrapper<It>>, std::move_iterator<It>>); |
| 80 | static_assert( std::sentinel_for<std::move_sentinel<sized_sentinel<It>>, std::move_iterator<It>>); |
| 81 | static_assert( std::sized_sentinel_for<std::move_sentinel<sized_sentinel<It>>, std::move_iterator<It>>); |
| 82 | } |
| 83 | |
| 84 | // `std::contiguous_iterator`. |
| 85 | { |
| 86 | using It = contiguous_iterator<int*>; |
| 87 | static_assert( std::sentinel_for<std::move_sentinel<It>, std::move_iterator<It>>); |
| 88 | static_assert( std::sized_sentinel_for<std::move_sentinel<It>, std::move_iterator<It>>); |
| 89 | static_assert( std::sentinel_for<std::move_sentinel<sentinel_wrapper<It>>, std::move_iterator<It>>); |
| 90 | static_assert(!std::sized_sentinel_for<std::move_sentinel<sentinel_wrapper<It>>, std::move_iterator<It>>); |
| 91 | static_assert( std::sentinel_for<std::move_sentinel<sized_sentinel<It>>, std::move_iterator<It>>); |
| 92 | static_assert( std::sized_sentinel_for<std::move_sentinel<sized_sentinel<It>>, std::move_iterator<It>>); |
| 93 | } |
| 94 | |
| 95 | // `std::contiguous_iterator` with the spaceship operator. |
| 96 | { |
| 97 | using It = three_way_contiguous_iterator<int*>; |
| 98 | static_assert( std::sentinel_for<std::move_sentinel<It>, std::move_iterator<It>>); |
| 99 | static_assert( std::sized_sentinel_for<std::move_sentinel<It>, std::move_iterator<It>>); |
| 100 | static_assert( std::sentinel_for<std::move_sentinel<sentinel_wrapper<It>>, std::move_iterator<It>>); |
| 101 | static_assert(!std::sized_sentinel_for<std::move_sentinel<sentinel_wrapper<It>>, std::move_iterator<It>>); |
| 102 | static_assert( std::sentinel_for<std::move_sentinel<sized_sentinel<It>>, std::move_iterator<It>>); |
| 103 | static_assert( std::sized_sentinel_for<std::move_sentinel<sized_sentinel<It>>, std::move_iterator<It>>); |
| 104 | } |
| 105 | } |
| 106 | |