27     _dict = {b'0': b'',  variable in DumbDBMTestCase
40             for key in self._dict:
41                 f[key] = self._dict[key]
75             self._dict[b'g'] = f[b'g'] = b"indented"
92             self.assertEqual(f.get(b'a'), self._dict[b'a'])
119             self.assertEqual(f['\u00fc'], self._dict['\u00fc'.encode('utf-8')])
129                              self._dict['\u00fc'.encode('utf-8')])
156         for key in self._dict:
157             self.assertEqual(self._dict[key], f[key])
161             for k in self._dict:
162                 f[k] = self._dict[k]
166         dkeys = sorted(self._dict.keys())
228             for k in self._dict:
229                 f[k] = self._dict[k]
273                 for key in self._dict:
274                     f[key] = self._dict[key]
279                 self.assertEqual(sorted(f.keys()), sorted(self._dict))