# File ext/libxml/tests/tc_xml_parser.rb, line 162
  def test_libxml_parser_io()
    File.open('rubynet.xml') do |f|
      assert_kind_of(IO, f)
      assert_kind_of(IO, @xp.io = f)
      assert_instance_of(XML::Document, @xp.parse)
    end # File.open
  end