1 files changed, 10 insertions, 2 deletions
diff --git a/tests/backends/base/test_operations.py b/tests/backends/base/test_operations.py
index b7b7b9e3fc..535cb20f41 100644
--- a/tests/backends/base/test_operations.py
+++ b/tests/backends/base/test_operations.py
@@ -3,7 +3,7 @@ import decimal
 from django.core.management.color import no_style
 from django.db import NotSupportedError, connection, transaction
 from django.db.backends.base.operations import BaseDatabaseOperations
-from django.db.models import DurationField
+from django.db.models import DurationField, Value
 from django.test import (
     SimpleTestCase, TestCase, TransactionTestCase, override_settings,
     skipIfDBFeature,
@@ -72,9 +72,17 @@ class SimpleDatabaseOperationTests(SimpleTestCase):
     def test_adapt_timefield_value_none(self):
         self.assertIsNone(self.ops.adapt_timefield_value(None))
 
-    def test_adapt_datetimefield_value(self):
+    def test_adapt_timefield_value_expression(self):
+        value = Value(timezone.now().time())
+        self.assertEqual(self.ops.adapt_timefield_value(value), value)
+
+    def test_adapt_datetimefield_value_none(self):
         self.assertIsNone(self.ops.adapt_datetimefield_value(None))
 
+    def test_adapt_datetimefield_value_expression(self):
+        value = Value(timezone.now())
+        self.assertEqual(self.ops.adapt_datetimefield_value(value), value)
+
     def test_adapt_timefield_value(self):
         msg = 'Django does not support timezone-aware times.'
         with self.assertRaisesMessage(ValueError, msg):