Function system_timer_cancel_test

test/system_timer.cpp:233–254

};

void system_timer_cancel_test()
{
  static boost::asio::io_context io_context;
  struct timer
  {
    boost::asio::system_timer t;
    timer() : t(io_context)
    {
      t.expires_at((boost::asio::system_timer::time_point::max)());
    }
  } timers[50];

  timers[2].t.async_wait(timer_handler());
  timers[41].t.async_wait(timer_handler());
  for (int i = 10; i < 20; ++i)
    timers[i].t.async_wait(timer_handler());

  BOOST_ASIO_CHECK(timers[2].t.cancel() == 1);
  BOOST_ASIO_CHECK(timers[41].t.cancel() == 1);
  for (int i = 10; i < 20; ++i)
    BOOST_ASIO_CHECK(timers[i].t.cancel() == 1);
}

struct custom_allocation_timer_handler
{