# File TRASH/libxml-ruby-old/tests/tc_xml_xpointer.rb, line 20
  def test_libxml_xpointer_id()
    @xptr = @root.pointer('xpointer(id("two"))')
    assert_instance_of(XML::XPath, @xptr)
    set = @xptr.set
    assert_instance_of(XML::Node::Set, set)
    for n in set
      assert_equal('two', n.to_s)
    end

    @xptr = @root.pointer('xpointer(id("two")) xpointer(id("three"))')
    assert_instance_of(XML::XPath, @xptr)
    assert_instance_of(XML::Node::Set, @xptr.set)
    assert_equal(2, @xptr.set.length)
    for n in @xptr.set
      assert_match(/two|three/, n.to_s)
    end
  end