libstdc++-v3/testsuite/27_io/basic_syncstream/1.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 // { dg-add-options no_pch }
  21
  22 #include <syncstream>
  23
  24 #ifndef __cpp_lib_syncbuf
  25 # error "Feature-test macro for syncbuf missing in <syncstream>"
  26 #elif __cpp_lib_syncbuf != 201803L
  27 # error "Feature-test macro for syncbuf has wrong value in <syncstream>"
  28 #endif