diff --git a/tests/forms_tests/widget_tests/test_selectdatewidget.py b/tests/forms_tests/widget_tests/test_selectdatewidget.py
index 83e76069b6..c0e82c69a0 100644
--- a/tests/forms_tests/widget_tests/test_selectdatewidget.py
+++ b/tests/forms_tests/widget_tests/test_selectdatewidget.py
@@ -497,6 +497,25 @@ class SelectDateWidgetTest(WidgetTest):
             with self.subTest(value=value):
                 self.assertEqual(self.widget.format_value(value), {'day': None, 'month': None, 'year': None})
 
+    def test_value_from_datadict(self):
+        tests = [
+            (('2000', '12', '1'), '2000-12-1'),
+            (('0', '12', '1'), '0-12-1'),
+            (('2000', '0', '1'), '2000-0-1'),
+            (('2000', '12', '0'), '2000-12-0'),
+            (('', '', '', ''), None),
+            ((None, '12', '1'), None),
+            (('2000', None, '1'), None),
+            (('2000', '12', None), None),
+        ]
+        for values, expected in tests:
+            with self.subTest(values=values):
+                data = {}
+                for field_name, value in zip(('year', 'month', 'day'), values):
+                    if value is not None:
+                        data['field_%s' % field_name] = value
+                self.assertEqual(self.widget.value_from_datadict(data, {}, 'field'), expected)
+
     def test_value_omitted_from_data(self):
         self.assertIs(self.widget.value_omitted_from_data({}, {}, 'field'), True)
         self.assertIs(self.widget.value_omitted_from_data({'field_month': '12'}, {}, 'field'), False)