def test_misc_non_mutating(self):
'''
Misc non-mutating dict behaviors.
- Superdict instances generally behave like normal dicts.
'''
sd = Superdict(a = 11, b = 22)
# __contains__
self.assertTrue('a' in sd)
self.assertFalse('z' in sd)
self.assertFalse('pop' in sd)
# __len__
aEq(len(sd), 2)
# keys, values, items
aEq(set(sd.keys()), set('ab'))
aEq(set(sd.values()), set([11,22]))
aEq(set(sd.items()), set([('a', 11), ('b', 22)]))
# copy
d = sd.copy()
self.assertIs(type(d), dict)
aEq(d, dict(sd))
# equality
aEq(sd, dict(a = 11, b = 22))
