2 files changed, 14 insertions, 2 deletions
diff --git a/rest_framework/tests/authentication.py b/rest_framework/tests/authentication.py
index 33ef0312..b1da5b6f 100644
--- a/rest_framework/tests/authentication.py
+++ b/rest_framework/tests/authentication.py
@@ -167,14 +167,14 @@ class TokenAuthTests(TestCase):
         client = Client(enforce_csrf_checks=True)
         response = client.post('/auth-token/login/',
                                json.dumps({'username': self.username, 'password': "badpass"}), 'application/json')
-        self.assertEqual(response.status_code, 400)
+        self.assertEqual(response.status_code, 401)
 
     def test_token_login_json_missing_fields(self):
         """Ensure token login view using JSON POST fails if missing fields."""
         client = Client(enforce_csrf_checks=True)
         response = client.post('/auth-token/login/',
                                json.dumps({'username': self.username}), 'application/json')
-        self.assertEqual(response.status_code, 400)
+        self.assertEqual(response.status_code, 401)
 
     def test_token_login_form(self):
         """Ensure token login view using form POST works."""
diff --git a/rest_framework/tests/serializer.py b/rest_framework/tests/serializer.py
index 804f578d..329d27a9 100644
--- a/rest_framework/tests/serializer.py
+++ b/rest_framework/tests/serializer.py
@@ -117,6 +117,18 @@ class BasicTests(TestCase):
         self.assertTrue(serializer.object is expected)
         self.assertEquals(serializer.data['sub_comment'], 'And Merry Christmas!')
 
+    def test_partial_update(self):
+        msg = 'Merry New Year!'
+        partial_data = {'content': msg}
+        serializer = CommentSerializer(self.comment, data=partial_data)
+        self.assertEquals(serializer.is_valid(), False)
+        serializer = CommentSerializer(self.comment, data=partial_data, partial=True)
+        expected = self.comment
+        self.assertEqual(serializer.is_valid(), True)
+        self.assertEquals(serializer.object, expected)
+        self.assertTrue(serializer.object is expected)
+        self.assertEquals(serializer.data['content'], msg)
+
     def test_model_fields_as_expected(self):
         """
         Make sure that the fields returned are the same as defined