Refs #28762 -- Added test for aggregating over a function with ArrayField parameters.

Fixed in d87bd29c.

tests/postgres_tests/test_array.py

@@ -385,6 +385,17 @@ class TestQuerying(PostgreSQLTestCase):
         with self.assertRaisesMessage(FieldError, msg):
             list(NullableIntegerArrayModel.objects.filter(field__0bar=[2]))
 
+    def test_grouping_by_annotations_with_array_field_param(self):
+        value = models.Value([1], output_field=ArrayField(models.IntegerField()))
+        self.assertEqual(
+            NullableIntegerArrayModel.objects.annotate(
+                array_length=models.Func(value, 1, function='ARRAY_LENGTH'),
+            ).values('array_length').annotate(
+                count=models.Count('pk'),
+            ).get()['array_length'],
+            1,
+        )
+
 
 class TestDateTimeExactQuerying(PostgreSQLTestCase):