libstdc++-v3/testsuite/24_iterators/istreambuf_iterator/cons/sentinel.cc

   1 // { dg-do compile { target c++20 } }
   2 // { dg-require-effective-target hosted }
   3
   4 // Copyright (C) 2020-2024 Free Software Foundation, Inc.
   5 //
   6 // This file is part of the GNU ISO C++ Library.  This library is free
   7 // software; you can redistribute it and/or modify it under the
   8 // terms of the GNU General Public License as published by the
   9 // Free Software Foundation; either version 3, or (at your option)
  10 // any later version.
  11
  12 // This library is distributed in the hope that it will be useful,
  13 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 // GNU General Public License for more details.
  16
  17 // You should have received a copy of the GNU General Public License along
  18 // with this library; see the file COPYING3.  If not see
  19 // <http://www.gnu.org/licenses/>.
  20
  21 #include <iterator>
  22
  23 static_assert( std::is_nothrow_constructible_v<std::istreambuf_iterator<char>,
  24                                                std::default_sentinel_t> );
  25
  26 constexpr std::istreambuf_iterator<char> i = std::default_sentinel;