| //===----------------------------------------------------------------------===// |
| // |
| // 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 |
| |
| // template<class T> |
| // concept sized_range; |
| |
| #include <ranges> |
| |
| #include "test_iterators.h" |
| |
| |
| |
| static_assert(std::ranges::sized_range<int[5]>); |
| static_assert(std::ranges::sized_range<int (&)[5]>); |
| static_assert(!std::ranges::sized_range<int (&)[]>); |
| static_assert(!std::ranges::sized_range<int[]>); |
| |
| struct range_has_size { |
| bidirectional_iterator<int*> begin(); |
| bidirectional_iterator<int*> end(); |
| int size(); |
| }; |
| static_assert(std::ranges::sized_range<range_has_size>); |
| static_assert(!std::ranges::sized_range<range_has_size const>); |
| |
| struct range_has_const_size { |
| bidirectional_iterator<int*> begin(); |
| bidirectional_iterator<int*> end(); |
| int size() const; |
| }; |
| static_assert(std::ranges::sized_range<range_has_const_size>); |
| static_assert(!std::ranges::sized_range<range_has_const_size const>); |
| |
| struct const_range_has_size { |
| bidirectional_iterator<int*> begin() const; |
| bidirectional_iterator<int*> end() const; |
| int size(); |
| }; |
| static_assert(std::ranges::sized_range<const_range_has_size>); |
| static_assert(std::ranges::range<const_range_has_size const>); |
| static_assert(!std::ranges::sized_range<const_range_has_size const>); |
| |
| struct const_range_has_const_size { |
| bidirectional_iterator<int*> begin() const; |
| bidirectional_iterator<int*> end() const; |
| int size() const; |
| }; |
| static_assert(std::ranges::sized_range<const_range_has_const_size>); |
| static_assert(std::ranges::sized_range<const_range_has_const_size const>); |
| |
| struct sized_sentinel_range_has_size { |
| int* begin(); |
| int* end(); |
| }; |
| static_assert(std::ranges::sized_range<sized_sentinel_range_has_size>); |
| static_assert(!std::ranges::sized_range<sized_sentinel_range_has_size const>); |
| |
| struct const_sized_sentinel_range_has_size { |
| int* begin() const; |
| int* end() const; |
| }; |
| static_assert(std::ranges::sized_range<const_sized_sentinel_range_has_size>); |
| static_assert(std::ranges::sized_range<const_sized_sentinel_range_has_size const>); |
| |
| struct non_range_has_size { |
| int size() const; |
| }; |
| static_assert(requires(non_range_has_size const x) { std::ranges::size(x); }); |
| static_assert(!std::ranges::sized_range<non_range_has_size>); |
| static_assert(!std::ranges::sized_range<non_range_has_size const>); |