def test_multi_dict(cgi_filed):
mdict = MultiDict({'name': 'jack', 'age': 22}, country='US')
assert len(mdict) == 3
mdict.add('name', 'rose')
assert mdict['name'] == mdict.get('name') == 'rose'
assert mdict.get('age') == 22
assert mdict.get('age', side_func=lambda v: v + 1) == 23
assert mdict.get('inexistence', default='default') == 'default'
assert len(mdict.getall('name')) == 2
assert mdict.getall('inexistence') == []
items = mdict.allitems()
assert len(items) == 4
assert len(MultiDict.from_lists(items)) == 3
mdict = MultiDict.from_cgi_filedStoreage(cgi_filed)
assert mdict['cgi'].headers == {'k': 'v'}
