# File test/test_messenger.rb, line 65
    def test_HEAD
      cli_sock, svr_sock = unix_socketpair
      begin
        @queue.push(svr_sock)

        cli_sock << "HEAD / HTTP/1.1\r\n"
        cli_sock << "Host: localhost:8080\r\n"
        cli_sock << "Connection: close\r\n"
        cli_sock << "\r\n"
        cli_sock.flush

        response = Rucy::Response.new
        response.parse(cli_sock)
        assert_equal('HTTP/1.1', response.version)
        assert_equal(200, response.status)
        assert_equal('OK', response.reason)
        assert_equal('close', response.header('Connection'))
        assert_equal('26', response.header('Content-Length'))
        assert_equal('text/html', response.header('Content-Type'))
        assert_match(response.header('Date'), /^(Mon|Tue|Wed|Thu|Fri|Sat|Sun), \d{2} (Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec) \d{4} \d{2}:\d{2}:\d{2} GMT$/)
        assert_equal(Rucy::SERVER_TOKEN_LIST, response.header('Server'))
        assert(cli_sock.eof?)
      ensure
        cli_sock.close
      end
    end