libstdc++-v3/testsuite/experimental/net/timer/waitable/dest.cc

   1 // Copyright (C) 2015-2020 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-do run { target c++14 } }
  19 // { dg-add-options libatomic }
  20
  21 #include <experimental/timer>
  22 #include <testsuite_hooks.h>
  23
  24 using std::experimental::net::system_timer;
  25 using std::experimental::net::io_context;
  26
  27 void
  28 test01()
  29 {
  30   bool test __attribute__((unused)) = false;
  31
  32   std::error_code ec;
  33
  34   io_context ctx;
  35   {
  36     system_timer timer(ctx, system_timer::duration(3600));
  37     timer.async_wait([&ec](std::error_code e) { ec = e; });
  38   }
  39   auto n = ctx.run();
  40   __builtin_printf("ran %lu\n", n);
  41   VERIFY( n == 1 );
  42   VERIFY( ec == std::errc::operation_canceled );
  43 }
  44
  45 int
  46 main()
  47 {
  48   test01();
  49 }