libstdc++-v3/testsuite/30_threads/scoped_lock/requirements/typedefs.cc

   1 // { dg-do compile { target c++17 } }
   2 // { dg-require-gthreads "" }
   3 // { dg-add-options no_pch }
   4
   5 // Copyright (C) 2017-2024 Free Software Foundation, Inc.
   6 //
   7 // This file is part of the GNU ISO C++ Library.  This library is free
   8 // software; you can redistribute it and/or modify it under the
   9 // terms of the GNU General Public License as published by the
  10 // Free Software Foundation; either version 3, or (at your option)
  11 // any later version.
  12
  13 // This library is distributed in the hope that it will be useful,
  14 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 // GNU General Public License for more details.
  17
  18 // You should have received a copy of the GNU General Public License along
  19 // with this library; see the file COPYING3.  If not see
  20 // <http://www.gnu.org/licenses/>.
  21
  22 // NB: This file is for testing with NO OTHER INCLUDES.
  23
  24 #include <mutex>
  25
  26 #ifndef __cpp_lib_scoped_lock
  27 # error "Feature-test macro for scoped_lock missing"
  28 #elif __cpp_lib_scoped_lock != 201703
  29 # error "Feature-test macro for scoped_lock has wrong value"
  30 #endif
  31
  32 void test01()
  33 {
  34   // Check for required typedefs
  35   typedef std::scoped_lock<std::mutex> test_type;
  36   typedef test_type::mutex_type mutex_type;
  37 }