libstdc++-v3/testsuite/std/ranges/refinements.cc

   1 // Copyright (C) 2019-2020 Free Software Foundation, Inc.
   2 //
   3 // This file is part of the GNU ISO C++ Library.  This library is free
   4 // software; you can redistribute it and/or modify it under the
   5 // terms of the GNU General Public License as published by the
   6 // Free Software Foundation; either version 3, or (at your option)
   7 // any later version.
   8
   9 // This library is distributed in the hope that it will be useful,
  10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 // GNU General Public License for more details.
  13
  14 // You should have received a copy of the GNU General Public License along
  15 // with this library; see the file COPYING3.  If not see
  16 // <http://www.gnu.org/licenses/>.
  17
  18 // { dg-options "-std=gnu++2a" }
  19 // { dg-do compile { target c++2a } }
  20
  21 #include <ranges>
  22 #include <testsuite_iterators.h>
  23
  24 static_assert( std::ranges::output_range<int(&)[1], int> );
  25 static_assert( ! std::ranges::output_range<const int(&)[1], int> );
  26 static_assert( std::ranges::output_range<int[1], int> );
  27 static_assert( ! std::ranges::output_range<int[1], int*> );
  28
  29 static_assert( std::ranges::input_range<int(&)[1]> );
  30 static_assert( std::ranges::input_range<const int(&)[1]> );
  31 static_assert( std::ranges::input_range<int[1]> );
  32
  33 static_assert( std::ranges::contiguous_range<int(&)[1]> );
  34 static_assert( std::ranges::contiguous_range<const int(&)[1]> );
  35 static_assert( std::ranges::contiguous_range<int[1]> );
  36
  37 using namespace __gnu_test;
  38
  39 static_assert( std::ranges::output_range<test_contiguous_range<int>, int> );
  40 static_assert( std::ranges::output_range<test_random_access_range<int>, int> );
  41 static_assert( std::ranges::output_range<test_bidirectional_range<int>, int> );
  42 static_assert( std::ranges::output_range<test_forward_range<int>, int> );
  43 static_assert( ! std::ranges::output_range<test_input_range<int>, int> );
  44 static_assert( std::ranges::output_range<test_output_range<int>, int> );
  45
  46 static_assert( std::ranges::input_range<test_contiguous_range<int>> );
  47 static_assert( std::ranges::input_range<test_random_access_range<int>> );
  48 static_assert( std::ranges::input_range<test_bidirectional_range<int>> );
  49 static_assert( std::ranges::input_range<test_forward_range<int>> );
  50 static_assert( std::ranges::input_range<test_input_range<int>> );
  51 static_assert( ! std::ranges::input_range<test_output_range<int>> );
  52
  53 static_assert( std::ranges::forward_range<test_contiguous_range<int>> );
  54 static_assert( std::ranges::forward_range<test_random_access_range<int>> );
  55 static_assert( std::ranges::forward_range<test_bidirectional_range<int>> );
  56 static_assert( std::ranges::forward_range<test_forward_range<int>> );
  57 static_assert( ! std::ranges::forward_range<test_input_range<int>> );
  58 static_assert( ! std::ranges::forward_range<test_output_range<int>> );
  59
  60 static_assert( std::ranges::bidirectional_range<test_contiguous_range<int>> );
  61 static_assert( std::ranges::bidirectional_range<test_random_access_range<int>>);
  62 static_assert( std::ranges::bidirectional_range<test_bidirectional_range<int>>);
  63 static_assert( ! std::ranges::bidirectional_range<test_forward_range<int>> );
  64 static_assert( ! std::ranges::bidirectional_range<test_input_range<int>> );
  65 static_assert( ! std::ranges::bidirectional_range<test_output_range<int>> );
  66
  67 static_assert( std::ranges::random_access_range<test_contiguous_range<int>> );
  68 static_assert( std::ranges::random_access_range<test_random_access_range<int>>);
  69 static_assert( ! std::ranges::random_access_range<test_bidirectional_range<int>>);
  70 static_assert( ! std::ranges::random_access_range<test_forward_range<int>> );
  71 static_assert( ! std::ranges::random_access_range<test_input_range<int>> );
  72 static_assert( ! std::ranges::random_access_range<test_output_range<int>> );
  73
  74 static_assert( std::ranges::contiguous_range<test_contiguous_range<int>> );
  75 static_assert( ! std::ranges::contiguous_range<test_random_access_range<int>>);
  76 static_assert( ! std::ranges::contiguous_range<test_bidirectional_range<int>>);
  77 static_assert( ! std::ranges::contiguous_range<test_forward_range<int>> );
  78 static_assert( ! std::ranges::contiguous_range<test_input_range<int>> );
  79 static_assert( ! std::ranges::contiguous_range<test_output_range<int>> );