From: Miss Islington (bot) <31488909+miss-islington@users.noreply.github.com>
Date: Wed, 9 Feb 2022 15:12:17 +0000 (-0800)
Subject: bpo-46685: cover `TypeError` of `ForwardRef(1)` in `test_typing` (GH-31223)
X-Git-Tag: v3.10.3~114
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=d29bbc22b08551afce24e933f43bfcb6e980cb08;p=thirdparty%2FPython%2Fcpython.git

bpo-46685: cover `TypeError` of `ForwardRef(1)` in `test_typing` (GH-31223)

(cherry picked from commit d2d1d49eaccaa83eb8873ba15f2fc9562143bc56)

Co-authored-by: Nikita Sobolev <mail@sobolevn.me>
---

diff --git a/Lib/test/test_typing.py b/Lib/test/test_typing.py
index 62762418b3f4..2842e28c5ab5 100644
--- a/Lib/test/test_typing.py
+++ b/Lib/test/test_typing.py
@@ -2650,6 +2650,10 @@ class ForwardRefTests(BaseTestCase):
         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'))