test_minidom.py 文件源码

def testPatch1094164(self):
        doc = parseString("<doc><e/></doc>")
        elem = doc.documentElement
        e = elem.firstChild
        self.confirm(e.parentNode is elem, "Before replaceChild()")
        # Check that replacing a child with itself leaves the tree unchanged
        elem.replaceChild(e, e)
        self.confirm(e.parentNode is elem, "After replaceChild()")