Fixed #33368 -- Fixed parse_duration() crash on invalid separators for decimal fractions.

2 files changed, 7 insertions, 0 deletions

diff --git a/tests/forms_tests/field_tests/test_durationfield.py b/tests/forms_tests/field_tests/test_durationfield.py
index f5125aa571..dae139446d 100644
--- a/tests/forms_tests/field_tests/test_durationfield.py
+++ b/tests/forms_tests/field_tests/test_durationfield.py
@@ -30,6 +30,8 @@ class DurationFieldTest(FormFieldAssertionsMixin, SimpleTestCase):
         msg = 'Enter a valid duration.'
         with self.assertRaisesMessage(ValidationError, msg):
             f.clean('not_a_time')
+        with self.assertRaisesMessage(ValidationError, msg):
+            DurationField().clean('P3(3D')
 
     def test_durationfield_clean_not_required(self):
         f = DurationField(required=False)
diff --git a/tests/utils_tests/test_dateparse.py b/tests/utils_tests/test_dateparse.py
index 0880de2034..f2f66f351d 100644
--- a/tests/utils_tests/test_dateparse.py
+++ b/tests/utils_tests/test_dateparse.py
@@ -161,6 +161,11 @@ class DurationParseTests(unittest.TestCase):
             ('-PT0.000005S', timedelta(microseconds=-5)),
             ('-PT0,000005S', timedelta(microseconds=-5)),
             ('-P4DT1H', timedelta(days=-4, hours=-1)),
+            # Invalid separators for decimal fractions.
+            ('P3(3D', None),
+            ('PT3)3H', None),
+            ('PT3|3M', None),
+            ('PT3/3S', None),
         )
         for source, expected in test_values:
             with self.subTest(source=source):