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r"""
# Some checks of the doctest output normalizer.
# Standard doctests do fairly
>>> from django.utils import simplejson
>>> from django.utils.xmlutils import SimplerXMLGenerator
>>> from StringIO import StringIO
>>> def produce_long():
... return 42L
>>> def produce_int():
... return 42
>>> def produce_json():
... return simplejson.dumps(['foo', {'bar': ('baz', None, 1.0, 2), 'whiz': 42}])
>>> def produce_xml():
... stream = StringIO()
... xml = SimplerXMLGenerator(stream, encoding='utf-8')
... xml.startDocument()
... xml.startElement("foo", {"aaa" : "1.0", "bbb": "2.0"})
... xml.startElement("bar", {"ccc" : "3.0"})
... xml.characters("Hello")
... xml.endElement("bar")
... xml.startElement("whiz", {})
... xml.characters("Goodbye")
... xml.endElement("whiz")
... xml.endElement("foo")
... xml.endDocument()
... return stream.getvalue()
>>> def produce_xml_fragment():
... stream = StringIO()
... xml = SimplerXMLGenerator(stream, encoding='utf-8')
... xml.startElement("foo", {"aaa": "1.0", "bbb": "2.0"})
... xml.characters("Hello")
... xml.endElement("foo")
... xml.startElement("bar", {"ccc": "3.0", "ddd": "4.0"})
... xml.endElement("bar")
... return stream.getvalue()
# Long values are normalized and are comparable to normal integers ...
>>> produce_long()
42
# ... and vice versa
>>> produce_int()
42L
# JSON output is normalized for field order, so it doesn't matter
# which order json dictionary attributes are listed in output
>>> produce_json()
'["foo", {"bar": ["baz", null, 1.0, 2], "whiz": 42}]'
>>> produce_json()
'["foo", {"whiz": 42, "bar": ["baz", null, 1.0, 2]}]'
# XML output is normalized for attribute order, so it doesn't matter
# which order XML element attributes are listed in output
>>> produce_xml()
'<?xml version="1.0" encoding="UTF-8"?>\n<foo aaa="1.0" bbb="2.0"><bar ccc="3.0">Hello</bar><whiz>Goodbye</whiz></foo>'
>>> produce_xml()
'<?xml version="1.0" encoding="UTF-8"?>\n<foo bbb="2.0" aaa="1.0"><bar ccc="3.0">Hello</bar><whiz>Goodbye</whiz></foo>'
>>> produce_xml_fragment()
'<foo aaa="1.0" bbb="2.0">Hello</foo><bar ccc="3.0" ddd="4.0"></bar>'
>>> produce_xml_fragment()
'<foo bbb="2.0" aaa="1.0">Hello</foo><bar ddd="4.0" ccc="3.0"></bar>'
"""
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