From 81a73174f3b747a1acb484dc26b6bf4de7eb82be Mon Sep 17 00:00:00 2001 From: sobolevn Date: Tue, 8 Feb 2022 23:46:27 +0300 Subject: [PATCH] bpo-46685: cover `TypeError` of `ForwardRef(1)` in `test_typing` --- Lib/test/test_typing.py | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/Lib/test/test_typing.py b/Lib/test/test_typing.py index 78e58928332f08..6e2a2b1978ab40 100644 --- a/Lib/test/test_typing.py +++ b/Lib/test/test_typing.py @@ -2792,6 +2792,10 @@ def test_forwardref_subclass_type_error(self): with self.assertRaises(TypeError): issubclass(int, fr) + def test_forwardref_only_str_arg(self): + with self.assertRaises(TypeError): + typing.ForwardRef(1) # only `str` type is allowed + def test_forward_equality(self): fr = typing.ForwardRef('int') self.assertEqual(fr, typing.ForwardRef('int'))