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

   1 // Copyright (C) 2015-2019 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
  20 #include <experimental/timer>
  21 #include <testsuite_hooks.h>
  22
  23 using std::experimental::net::system_timer;
  24 using std::experimental::net::io_context;
  25 using std::error_code;
  26
  27 void
  28 test01()
  29 {
  30   bool test __attribute__((unused)) = false;
  31
  32   io_context ctx;
  33   error_code ec;
  34   bool complete = false;
  35
  36   auto then = system_timer::clock_type::now() + system_timer::duration(100);
  37
  38   system_timer timer(ctx, then);
  39   VERIFY( timer.cancel_one() == 0 );
  40   VERIFY( timer.cancel() == 0 );
  41
  42   timer.async_wait([&](error_code e) { ec = e; complete = true; });
  43   VERIFY( timer.cancel_one() == 1 );
  44   VERIFY( !complete );
  45
  46   VERIFY( timer.cancel_one() == 0 );
  47   VERIFY( timer.cancel() == 0 );
  48
  49   VERIFY( ctx.run() == 1 );
  50   VERIFY( ctx.stopped() );
  51   VERIFY( complete );
  52   VERIFY( ec == std::errc::operation_canceled );
  53 }
  54
  55 void
  56 test02()
  57 {
  58   bool test __attribute__((unused)) = false;
  59
  60   io_context ctx;
  61   error_code ec1, ec2;
  62
  63   const auto now = system_timer::clock_type::now();
  64   const auto t1 = now + std::chrono::seconds(100);
  65   const auto t2 = t1 + std::chrono::seconds(100);
  66
  67   system_timer timer(ctx, t1);
  68   VERIFY( timer.expiry() == t1 );
  69
  70   VERIFY( timer.expires_at(t2) == 0 );
  71   VERIFY( timer.expiry() == t2 );
  72
  73   timer.async_wait([&ec1](error_code e) { ec1 = e; });
  74   timer.async_wait([&ec2](error_code e) { ec2 = e; });
  75   auto n = timer.expires_at(t1);
  76   VERIFY( n == 2 );
  77   VERIFY( timer.expiry() == t1 );
  78
  79   VERIFY( ctx.run_one() == 1 );
  80   VERIFY( ! ctx.stopped() );
  81   VERIFY( ctx.run_one() == 1 );
  82   VERIFY( ctx.stopped() );
  83   VERIFY( ec1 == std::errc::operation_canceled );
  84   VERIFY( ec2 == std::errc::operation_canceled );
  85
  86   VERIFY( timer.expires_after(std::chrono::seconds(50)) == 0 );
  87   VERIFY( timer.expiry() < t1 );
  88
  89   ec1.clear();
  90   ec2.clear();
  91   ctx.restart();
  92   timer.async_wait([&ec1](error_code e) { ec1 = e; });
  93   timer.async_wait([&ec2](error_code e) { ec2 = e; });
  94   VERIFY( timer.expires_after(std::chrono::seconds(10)) == 2 );
  95   VERIFY( timer.expiry() < t1 );
  96   ctx.run();
  97   VERIFY( ec1 == std::errc::operation_canceled );
  98   VERIFY( ec2 == std::errc::operation_canceled );
  99 }
 100
 101 int
 102 main()
 103 {
 104   test01();
 105   test02();
 106 }