  
      def test_wrong_default_date_input_format(self):
          serializer = DateObjectSerializer(data={'date': 'something wrong'})
          self.assertFalse(serializer.is_valid())
          self.assertEquals(serializer.errors, {'date': [u'Date has wrong format. Use one of these formats instead: '
                                                         u'YYYY-MM-DD; MM/DD/YYYY; MM/DD/YY; [Jan through Dec] DD YYYY; '
                                                         u'[Jan through Dec] DD, YYYY; DD [Jan through Dec] YYYY; '
                                                         u'DD [Jan through Dec], YYYY; [January through December] DD YYYY; '
                                                         u'[January through December] DD, YYYY; DD [January through December] YYYY; '
                                                         u'DD [January through December], YYYY']})
  
      def test_wrong_custom_date_input_format(self):
          serializer = DateObjectCustomFormatSerializer(data={'date': '07/31/1984'})
          self.assertFalse(serializer.is_valid())
          self.assertEquals(serializer.errors, {'date': [u'Date has wrong format. Use one of these formats instead: YYYY; YYYY -- MM']})
 
</s> remove             self.assertEqual(e.messages, [u'Date has wrong format. Use one of these formats instead: '
                                          u'YYYY-MM-DD; MM/DD/YYYY; MM/DD/YY; [Jan through Dec] DD YYYY; '
                                          u'[Jan through Dec] DD, YYYY; DD [Jan through Dec] YYYY; '
                                          u'DD [Jan through Dec], YYYY; [January through December] DD YYYY; '
                                          u'[January through December] DD, YYYY; DD [January through December] YYYY; '
                                          u'DD [January through December], YYYY'])
 </s> add             self.assertEqual(e.messages, ['Date has wrong format. Use one of these formats instead: '
                                          'YYYY-MM-DD; MM/DD/YYYY; MM/DD/YY; [Jan through Dec] DD YYYY; '
                                          '[Jan through Dec] DD, YYYY; DD [Jan through Dec] YYYY; '
                                          'DD [Jan through Dec], YYYY; [January through December] DD YYYY; '
                                          '[January through December] DD, YYYY; DD [January through December] YYYY; '
                                          'DD [January through December], YYYY']) </s> remove         self.assertEquals(serializer.errors, {'date': [u'Date has wrong format. Use one of these formats instead: YYYY; YYYY -- MM']})
 </s> add         self.assertEquals(serializer.errors, {'date': ['Date has wrong format. Use one of these formats instead: YYYY; YYYY -- MM']}) </s> remove         self.assertEquals(serializer.errors, {'date_time': [u'Datetime has wrong format. Use one of these formats instead: YYYY; YYYY HH:MM']})
 </s> add         self.assertEquals(serializer.errors, {'date_time': ['Datetime has wrong format. Use one of these formats instead: YYYY; YYYY HH:MM']}) </s> remove         self.assertEquals(serializer.errors, {'date_time': [u'Datetime has wrong format. Use one of these formats instead:'
                                                            u' YYYY-MM-DD HH:MM:SS; YYYY-MM-DD HH:MM; YYYY-MM-DD; '
                                                            u'MM/DD/YYYY HH:MM:SS; MM/DD/YYYY HH:MM; MM/DD/YYYY; '
                                                            u'MM/DD/YY HH:MM:SS; MM/DD/YY HH:MM; MM/DD/YY']})
 </s> add         self.assertEquals(serializer.errors, {'date_time': ['Datetime has wrong format. Use one of these formats instead: '
                                                            'YYYY-MM-DD HH:MM:SS; YYYY-MM-DD HH:MM; YYYY-MM-DD; '
                                                            'MM/DD/YYYY HH:MM:SS; MM/DD/YYYY HH:MM; MM/DD/YYYY; '
                                                            'MM/DD/YY HH:MM:SS; MM/DD/YY HH:MM; MM/DD/YY']}) </s> remove         self.assertEquals(serializer.errors, {'time': [u'Time has wrong format. Use one of these formats instead: HH:MM:SS; HH:MM']})
 </s> add         self.assertEquals(serializer.errors, {'time': ['Time has wrong format. Use one of these formats instead: HH:MM:SS; HH:MM']})
        self.assertEquals(serializer.errors, {'date': ['Date has wrong format. Use one of these formats instead: '
                                                       'YYYY-MM-DD; MM/DD/YYYY; MM/DD/YY; [Jan through Dec] DD YYYY; '
                                                       '[Jan through Dec] DD, YYYY; DD [Jan through Dec] YYYY; '
                                                       'DD [Jan through Dec], YYYY; [January through December] DD YYYY; '
                                                       '[January through December] DD, YYYY; DD [January through December] YYYY; '
                                                       'DD [January through December], YYYY']})
  
      def test_wrong_default_date_input_format(self):
          serializer = DateObjectSerializer(data={'date': 'something wrong'})
          self.assertFalse(serializer.is_valid())
        self.assertEquals(serializer.errors, {'date': ['Date has wrong format. Use one of these formats instead: '
                                                       'YYYY-MM-DD; MM/DD/YYYY; MM/DD/YY; [Jan through Dec] DD YYYY; '
                                                       '[Jan through Dec] DD, YYYY; DD [Jan through Dec] YYYY; '
                                                       'DD [Jan through Dec], YYYY; [January through December] DD YYYY; '
                                                       '[January through December] DD, YYYY; DD [January through December] YYYY; '
                                                       'DD [January through December], YYYY']})
        self.assertEquals(serializer.errors, {'date': ['Date has wrong format. Use one of these formats instead: '
                                                       'YYYY-MM-DD; MM/DD/YYYY; MM/DD/YY; [Jan through Dec] DD YYYY; '
                                                       '[Jan through Dec] DD, YYYY; DD [Jan through Dec] YYYY; '
                                                       'DD [Jan through Dec], YYYY; [January through December] DD YYYY; '
                                                       '[January through December] DD, YYYY; DD [January through December] YYYY; '
                                                       'DD [January through December], YYYY']})
        self.assertEquals(serializer.errors, {'date': ['Date has wrong format. Use one of these formats instead: '
                                                       'YYYY-MM-DD; MM/DD/YYYY; MM/DD/YY; [Jan through Dec] DD YYYY; '
                                                       '[Jan through Dec] DD, YYYY; DD [Jan through Dec] YYYY; '
                                                       'DD [Jan through Dec], YYYY; [January through December] DD YYYY; '
                                                       '[January through December] DD, YYYY; DD [January through December] YYYY; '
                                                       'DD [January through December], YYYY']})
        self.assertEquals(serializer.errors, {'date': ['Date has wrong format. Use one of these formats instead: '
                                                       'YYYY-MM-DD; MM/DD/YYYY; MM/DD/YY; [Jan through Dec] DD YYYY; '
                                                       '[Jan through Dec] DD, YYYY; DD [Jan through Dec] YYYY; '
                                                       'DD [Jan through Dec], YYYY; [January through December] DD YYYY; '
                                                       '[January through December] DD, YYYY; DD [January through December] YYYY; '
                                                       'DD [January through December], YYYY']})
        self.assertEquals(serializer.errors, {'date': ['Date has wrong format. Use one of these formats instead: '
                                                       'YYYY-MM-DD; MM/DD/YYYY; MM/DD/YY; [Jan through Dec] DD YYYY; '
                                                       '[Jan through Dec] DD, YYYY; DD [Jan through Dec] YYYY; '
                                                       'DD [Jan through Dec], YYYY; [January through December] DD YYYY; '
                                                       '[January through December] DD, YYYY; DD [January through December] YYYY; '
                                                       'DD [January through December], YYYY']})
        self.assertEquals(serializer.errors, {'date': ['Date has wrong format. Use one of these formats instead: '
                                                       'YYYY-MM-DD; MM/DD/YYYY; MM/DD/YY; [Jan through Dec] DD YYYY; '
                                                       '[Jan through Dec] DD, YYYY; DD [Jan through Dec] YYYY; '
                                                       'DD [Jan through Dec], YYYY; [January through December] DD YYYY; '
                                                       '[January through December] DD, YYYY; DD [January through December] YYYY; '
                                                       'DD [January through December], YYYY']})
  
      def test_wrong_custom_date_input_format(self):
          serializer = DateObjectCustomFormatSerializer(data={'date': '07/31/1984'})
          self.assertFalse(serializer.is_valid())
          self.assertEquals(serializer.errors, {'date': [u'Date has wrong format. Use one of these formats instead: YYYY; YYYY -- MM']})
keep keep keep keep replace replace replace replace replace replace keep keep keep keep keep
 Fix for python 3 support 
rest_framework/tests/fields.py