From: Miss Islington (bot) <31488909+miss-islington@users.noreply.github.com>
Date: Tue, 1 Feb 2022 10:27:36 +0000 (-0800)
Subject: bpo-46482: add a test for `typing.Annotation.__new__` (GH-30821)
X-Git-Tag: v3.10.3~145
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=6a188d88c562bfd68ef3a32d148d9b234d50646e;p=thirdparty%2FPython%2Fcpython.git

bpo-46482: add a test for `typing.Annotation.__new__` (GH-30821)

(cherry picked from commit 4c0612ad00ba45dbea2a86f7db6d21546cf243f8)

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

diff --git a/Lib/test/test_typing.py b/Lib/test/test_typing.py
index e5b596e7f3d8..366f7d8eb31d 100644
--- a/Lib/test/test_typing.py
+++ b/Lib/test/test_typing.py
@@ -4543,6 +4543,13 @@ class RETests(BaseTestCase):
 
 class AnnotatedTests(BaseTestCase):
 
+    def test_new(self):
+        with self.assertRaisesRegex(
+            TypeError,
+            'Type Annotated cannot be instantiated',
+        ):
+            Annotated()
+
     def test_repr(self):
         self.assertEqual(
             repr(Annotated[int, 4, 5]),