libcxx/test/std/strings/string.view/range_concept_conformance.compile.pass.cpp

   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 // string_view
  12
  13 #include <string_view>
  14
  15 #include <concepts>
  16 #include <ranges>
  17
  18 static_assert(std::same_as<std::ranges::iterator_t<std::string_view>, std::string_view::iterator>);
  19 static_assert(std::ranges::common_range<std::string_view>);
  20 static_assert(std::ranges::random_access_range<std::string_view>);
  21 static_assert(std::ranges::contiguous_range<std::string_view>);
  22 static_assert(std::ranges::view<std::string_view> && std::ranges::enable_view<std::string_view>);
  23 static_assert(std::ranges::sized_range<std::string_view>);
  24 static_assert(std::ranges::borrowed_range<std::string_view>);
  25 static_assert(std::ranges::viewable_range<std::string_view>);
  26
  27 static_assert(std::same_as<std::ranges::iterator_t<std::string_view const>, std::string_view::const_iterator>);
  28 static_assert(std::ranges::common_range<std::string_view const>);
  29 static_assert(std::ranges::random_access_range<std::string_view const>);
  30 static_assert(std::ranges::contiguous_range<std::string_view const>);
  31 static_assert(!std::ranges::view<std::string_view const> && !std::ranges::enable_view<std::string_view const>);
  32 static_assert(std::ranges::sized_range<std::string_view const>);
  33 static_assert(std::ranges::borrowed_range<std::string_view const>);
  34 static_assert(std::ranges::viewable_range<std::string_view const>);