| //===----------------------------------------------------------------------===// |
| // |
| // 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 |
| |
| // REQUIRES: locale.en_US.UTF-8 |
| |
| #include <iterator> |
| |
| #include <istream> |
| #include <ostream> |
| |
| static_assert(std::__iterator_traits_detail::__cpp17_iterator<std::istream_iterator<int, std::istream> >); |
| static_assert(std::__iterator_traits_detail::__cpp17_iterator<std::istreambuf_iterator<int, std::istream> >); |
| static_assert(std::__iterator_traits_detail::__cpp17_iterator<std::ostream_iterator<int, std::ostream> >); |
| static_assert(std::__iterator_traits_detail::__cpp17_iterator<std::ostreambuf_iterator<int, std::ostream> >); |
| |
| static_assert(std::__iterator_traits_detail::__cpp17_input_iterator<std::istream_iterator<int, std::istream> >); |
| static_assert(std::__iterator_traits_detail::__cpp17_input_iterator<std::istreambuf_iterator<int, std::istream> >); |
| static_assert(!std::__iterator_traits_detail::__cpp17_input_iterator<std::ostream_iterator<int, std::ostream> >); |
| static_assert(!std::__iterator_traits_detail::__cpp17_input_iterator<std::ostreambuf_iterator<int, std::ostream> >); |
| |
| // This is because the legacy iterator concepts don't care about iterator_category |
| static_assert(std::__iterator_traits_detail::__cpp17_forward_iterator<std::istream_iterator<int, std::istream> >); |
| |
| static_assert(!std::__iterator_traits_detail::__cpp17_forward_iterator<std::istreambuf_iterator<int, std::istream> >); |
| static_assert(!std::__iterator_traits_detail::__cpp17_forward_iterator<std::ostream_iterator<int, std::ostream> >); |
| static_assert(!std::__iterator_traits_detail::__cpp17_forward_iterator<std::ostreambuf_iterator<int, std::ostream> >); |
| |
| static_assert( |
| !std::__iterator_traits_detail::__cpp17_bidirectional_iterator<std::istream_iterator<int, std::istream> >); |
| static_assert( |
| !std::__iterator_traits_detail::__cpp17_bidirectional_iterator<std::istreambuf_iterator<int, std::istream> >); |
| static_assert( |
| !std::__iterator_traits_detail::__cpp17_bidirectional_iterator<std::ostream_iterator<int, std::ostream> >); |
| static_assert( |
| !std::__iterator_traits_detail::__cpp17_bidirectional_iterator<std::ostreambuf_iterator<int, std::ostream> >); |
| |
| static_assert( |
| !std::__iterator_traits_detail::__cpp17_random_access_iterator<std::istream_iterator<int, std::istream> >); |
| static_assert( |
| !std::__iterator_traits_detail::__cpp17_random_access_iterator<std::istreambuf_iterator<int, std::istream> >); |
| static_assert( |
| !std::__iterator_traits_detail::__cpp17_random_access_iterator<std::ostream_iterator<int, std::ostream> >); |
| static_assert( |
| !std::__iterator_traits_detail::__cpp17_random_access_iterator<std::ostreambuf_iterator<int, std::ostream> >); |