def test_parse_fromstring(self):
parser = lxml.html.HTMLParser(encoding='utf-8', remove_comments=True)
html = """<html><frameset>
<frame src="main.php" name="srcpg" id="srcpg" frameborder="0" rolling="Auto" marginwidth="" marginheight="0">
</frameset></html>"""
etree_document = lxml.html.fromstring(html, parser=parser)
self.assertEqual(etree_document.tag, 'html')
self.assertEqual(len(etree_document), 1)
frameset_element = etree_document[0]
self.assertEqual(len(frameset_element), 1)
frame_element = frameset_element[0]
self.assertEqual(frame_element.tag, 'frame')
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