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

2022-02-01 12:58:41 +03:00 · 2022-02-01 12:58:41 +03:00 · 4c0612ad00
parent ee0ac328d3
commit 4c0612ad00
1 changed files with 7 additions and 0 deletions
--- a/Lib/test/test_typing.py
+++ b/Lib/test/test_typing.py
@ -4643,6 +4643,13 @@ class A(typing.Match):

 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]),