| // Copyright (C) 2019-2021 Free Software Foundation, Inc. |
| // |
| // This file is part of the GNU ISO C++ Library. This library is free |
| // software; you can redistribute it and/or modify it under the |
| // terms of the GNU General Public License as published by the |
| // Free Software Foundation; either version 3, or (at your option) |
| // any later version. |
| |
| // This library is distributed in the hope that it will be useful, |
| // but WITHOUT ANY WARRANTY; without even the implied warranty of |
| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| // GNU General Public License for more details. |
| |
| // You should have received a copy of the GNU General Public License along |
| // with this library; see the file COPYING3. If not see |
| // <http://www.gnu.org/licenses/>. |
| |
| // { dg-options "-std=gnu++2a" } |
| // { dg-do compile { target c++2a } } |
| |
| #include <ranges> |
| #include <testsuite_iterators.h> |
| |
| static_assert( std::ranges::range<int(&)[1]> ); |
| static_assert( std::ranges::range<const int(&)[1]> ); |
| static_assert( std::ranges::range<int[1]> ); |
| static_assert( !std::ranges::range<int*> ); |
| |
| using namespace __gnu_test; |
| |
| static_assert( std::ranges::range<test_contiguous_range<int>> ); |
| static_assert( std::ranges::range<test_contiguous_range<int>&> ); |
| static_assert( std::ranges::range<test_random_access_range<int>> ); |
| static_assert( std::ranges::range<test_random_access_range<int>&> ); |
| static_assert( std::ranges::range<test_bidirectional_range<int>> ); |
| static_assert( std::ranges::range<test_bidirectional_range<int>&> ); |
| static_assert( std::ranges::range<test_forward_range<int>> ); |
| static_assert( std::ranges::range<test_forward_range<int>&> ); |
| static_assert( std::ranges::range<test_input_range<int>> ); |
| static_assert( std::ranges::range<test_input_range<int>&> ); |
| static_assert( std::ranges::range<test_output_range<int>> ); |
| static_assert( std::ranges::range<test_output_range<int>&> ); |
| |
| static_assert( std::ranges::range<test_contiguous_sized_range<int>> ); |
| static_assert( std::ranges::range<test_contiguous_sized_range<int>&> ); |
| static_assert( std::ranges::range<test_random_access_sized_range<int>> ); |
| static_assert( std::ranges::range<test_random_access_sized_range<int>&> ); |
| static_assert( std::ranges::range<test_bidirectional_sized_range<int>> ); |
| static_assert( std::ranges::range<test_bidirectional_sized_range<int>&> ); |
| static_assert( std::ranges::range<test_forward_sized_range<int>> ); |
| static_assert( std::ranges::range<test_forward_sized_range<int>&> ); |
| static_assert( std::ranges::range<test_input_sized_range<int>> ); |
| static_assert( std::ranges::range<test_input_sized_range<int>&> ); |
| static_assert( std::ranges::range<test_output_sized_range<int>> ); |
| static_assert( std::ranges::range<test_output_sized_range<int>&> ); |
| |
| using std::same_as; |
| |
| using C = test_contiguous_range<char>; |
| using I = test_input_range<char>; |
| using O = test_output_range<char>; |
| |
| static_assert( same_as<std::ranges::iterator_t<C>, |
| contiguous_iterator_wrapper<char>> ); |
| static_assert( same_as<std::ranges::iterator_t<O>, |
| decltype(std::declval<O&>().begin())> ); |
| |
| static_assert( same_as<std::ranges::sentinel_t<C>, |
| decltype(std::declval<C&>().end())> ); |
| static_assert( same_as<std::ranges::sentinel_t<O>, |
| decltype(std::declval<O&>().end())> ); |
| |
| static_assert( same_as<std::ranges::range_difference_t<C>, |
| std::ptrdiff_t> ); |
| static_assert( same_as<std::ranges::range_difference_t<O>, |
| std::ptrdiff_t> ); |
| |
| static_assert( same_as<std::ranges::range_reference_t<I>, |
| char&> ); |
| static_assert( same_as<std::ranges::range_reference_t<O>, |
| WritableObject<char>> ); |
| |
| static_assert( same_as<std::ranges::range_rvalue_reference_t<I>, |
| char&&> ); |
| static_assert( same_as<std::ranges::range_rvalue_reference_t<O>, |
| WritableObject<char>> ); |