Function test_3_arg_streambuf_async_write

test/write.cpp:2543–2616

}

void test_3_arg_streambuf_async_write()
{
#if !defined(BOOST_ASIO_NO_DYNAMIC_BUFFER_V1)
  namespace bindns = std;
  using bindns::placeholders::_1;
  using bindns::placeholders::_2;

  boost::asio::io_context ioc;
  test_stream s(ioc);
  boost::asio::streambuf sb;
  boost::asio::const_buffer buffers
    = boost::asio::buffer(write_data, sizeof(write_data));

  s.reset();
  sb.consume(sb.size());
  sb.sputn(write_data, sizeof(write_data));
  bool called = false;
  boost::asio::async_write(s, sb,
      bindns::bind(async_write_handler,
        _1, _2, sizeof(write_data), &called));
  ioc.restart();
  ioc.run();
  BOOST_ASIO_CHECK(called);
  BOOST_ASIO_CHECK(s.check_buffers(buffers, sizeof(write_data)));

  s.reset();
  sb.consume(sb.size());
  sb.sputn(write_data, sizeof(write_data));
  s.next_write_length(1);
  called = false;
  boost::asio::async_write(s, sb,
      bindns::bind(async_write_handler,
        _1, _2, sizeof(write_data), &called));
  ioc.restart();
  ioc.run();
  BOOST_ASIO_CHECK(called);
  BOOST_ASIO_CHECK(s.check_buffers(buffers, sizeof(write_data)));

  s.reset();
  sb.consume(sb.size());
  sb.sputn(write_data, sizeof(write_data));
  s.next_write_length(10);
  called = false;
  boost::asio::async_write(s, sb,
      bindns::bind(async_write_handler,
        _1, _2, sizeof(write_data), &called));
  ioc.restart();
  ioc.run();
  BOOST_ASIO_CHECK(called);
  BOOST_ASIO_CHECK(s.check_buffers(buffers, sizeof(write_data)));

  s.reset();
  sb.consume(sb.size());
  sb.sputn(write_data, sizeof(write_data));
  int i = boost::asio::async_write(s, sb, archetypes::lazy_handler());
  BOOST_ASIO_CHECK(i == 42);
  ioc.restart();
  ioc.run();