Method test_lost_text

Lib/test/test_xml_etree.py:2493–2506

(self)

        ET.register_namespace('test10777', 'http://myuri/')

    def test_lost_text(self):
        # Issue #25902: Borrowed text can disappear
        class Text:
            def __bool__(self):
                e.text = 'changed'
                return True

        e = ET.Element('tag')
        e.text = Text()
        i = e.itertext()
        t = next(i)
        self.assertIsInstance(t, Text)
        self.assertIsInstance(e.text, str)
        self.assertEqual(e.text, 'changed')

    def test_lost_tail(self):
        # Issue #25902: Borrowed tail can disappear