Function io_context_service_test

test/io_context.cpp:321–385

};

void io_context_service_test()
{
  boost::asio::io_context ioc1;
  boost::asio::io_context ioc2;
  boost::asio::io_context ioc3;

  // Implicit service registration.

  boost::asio::use_service<test_service>(ioc1);

  BOOST_ASIO_CHECK(boost::asio::has_service<test_service>(ioc1));

  test_service* svc1 = new test_service(ioc1);
  try
  {
    boost::asio::add_service(ioc1, svc1);
    BOOST_ASIO_ERROR("add_service did not throw");
  }
  catch (boost::asio::service_already_exists&)
  {
  }
  delete svc1;

  // Explicit service registration.

  test_service* svc2 = new test_service(ioc2);
  boost::asio::add_service(ioc2, svc2);

  BOOST_ASIO_CHECK(boost::asio::has_service<test_service>(ioc2));
  BOOST_ASIO_CHECK(&boost::asio::use_service<test_service>(ioc2) == svc2);

  test_service* svc3 = new test_service(ioc2);
  try
  {
    boost::asio::add_service(ioc2, svc3);
    BOOST_ASIO_ERROR("add_service did not throw");
  }
  catch (boost::asio::service_already_exists&)
  {
  }
  delete svc3;

  // Explicit registration with invalid owner.

  test_service* svc4 = new test_service(ioc2);
  try
  {
    boost::asio::add_service(ioc3, svc4);
    BOOST_ASIO_ERROR("add_service did not throw");
  }
  catch (boost::asio::invalid_service_owner&)
  {
  }
  delete svc4;

  BOOST_ASIO_CHECK(!boost::asio::has_service<test_service>(ioc3));

  // Initial service registration.