Method testWrite

test/beast/core/basic_stream.cpp:588–679

    }

    void
    testWrite()
    {
        using stream_type = basic_stream<tcp,
            net::io_context::executor_type>;

        char buf[4];
        net::io_context ioc;
        std::memset(buf, 0, sizeof(buf));
        net::const_buffer cb(buf, sizeof(buf));
        auto const ep = net::ip::tcp::endpoint(
            net::ip::make_address("127.0.0.1"), 0);

        // write_some

        {
            error_code ec;
            stream_type s(ioc, tcp::v4());
            BEAST_EXPECT(s.write_some(net::const_buffer{}) == 0);
            BEAST_EXPECT(s.write_some(net::const_buffer{}, ec) == 0);
            BEAST_EXPECTS(! ec, ec.message());
        }

        // async_write_some

        {
            // success
            test_server srv("*", ep, log);
            stream_type s(ioc);
            s.socket().connect(srv.local_endpoint());
            s.expires_never();
            s.async_write_some(cb, handler({}, 4));
            ioc.run();
            ioc.restart();
        }

        {
            // success, with timeout
            test_server srv("*", ep, log);
            stream_type s(ioc);
            s.socket().connect(srv.local_endpoint());
            s.expires_after(std::chrono::seconds(30));
            s.async_write_some(cb, handler({}, 4));
            ioc.run();
            ioc.restart();
        }

        {
            // empty buffer
            test_server srv("*", ep, log);
            stream_type s(ioc);
            s.socket().connect(srv.local_endpoint());
            s.expires_never();
            s.async_write_some(
                net::const_buffer{}, handler({}, 0));
            ioc.run();
            ioc.restart();
        }