libstdc++-v3/testsuite/27_io/basic_syncbuf/requirements/types.cc

   1 // Copyright (C) 2020-2024 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-do compile { target c++20 } }
  19 // { dg-require-effective-target cxx11_abi }
  20
  21 #include <syncstream>
  22
  23 template<typename T>
  24   struct type_reqs
  25   {
  26     using test_type = T;
  27     using char_type = test_type::char_type;
  28     using int_type = test_type::int_type;
  29     using pos_type = test_type::pos_type;
  30     using off_Type = test_type::off_type;
  31     using traits_type = test_type::traits_type;
  32     using allocator_type = test_type::allocator_type;
  33     using streambuf_type = test_type::streambuf_type;
  34   };
  35
  36 void test01()
  37 {
  38   // Check for required typedefs
  39   using test_type = type_reqs<std::osyncstream>;
  40   using wtest_type = type_reqs<std::wosyncstream>;
  41 }