Function prepend_test

test/prepend.cpp:25–52

#include "unit_test.hpp"

void prepend_test()
{
  boost::asio::io_context io1;
  boost::asio::io_context io2;
  boost::asio::system_timer timer1(io1);
  int count = 0;

  timer1.expires_after(boost::asio::chrono::seconds(0));
  timer1.async_wait(
      boost::asio::prepend(
        boost::asio::bind_executor(io2.get_executor(),
          [&count](int a, int b, boost::system::error_code)
          {
            ++count;
            BOOST_ASIO_CHECK(a == 123);
            BOOST_ASIO_CHECK(b == 321);
          }), 123, 321));

  BOOST_ASIO_CHECK(count == 0);

  io1.run();

  BOOST_ASIO_CHECK(count == 0);

  io2.run();

  BOOST_ASIO_CHECK(count == 1);
}

BOOST_ASIO_TEST_SUITE
(