[1.8.x] Fixed #24841 -- Made BaseRangeField.prepare_value() call base_field's prepare_value()

Backport of 614bec41b5306b32b8de20d66f047ff8d6f35256 from master

1 files changed, 9 insertions, 1 deletions

diff --git a/tests/postgres_tests/test_ranges.py b/tests/postgres_tests/test_ranges.py
index 32994c6952..8f7e775d21 100644
--- a/tests/postgres_tests/test_ranges.py
+++ b/tests/postgres_tests/test_ranges.py
@@ -11,7 +11,7 @@ from django.contrib.postgres.validators import (
 )
 from django.core import exceptions, serializers
 from django.db import connection
-from django.test import TestCase
+from django.test import TestCase, override_settings
 from django.utils import timezone
 
 from .models import RangesModel
@@ -467,6 +467,14 @@ class TestFormField(TestCase):
         value = field.clean(['2013-04-09 11:45', ''])
         self.assertEqual(value, DateTimeTZRange(datetime.datetime(2013, 4, 9, 11, 45), None))
 
+    @override_settings(USE_TZ=True, TIME_ZONE='Africa/Johannesburg')
+    def test_datetime_prepare_value(self):
+        field = pg_forms.DateTimeRangeField()
+        value = field.prepare_value(
+            DateTimeTZRange(datetime.datetime(2015, 5, 22, 16, 6, 33, tzinfo=timezone.utc), None)
+        )
+        self.assertEqual(value, [datetime.datetime(2015, 5, 22, 18, 6, 33), None])
+
     def test_model_field_formfield_integer(self):
         model_field = pg_fields.IntegerRangeField()
         form_field = model_field.formfield()