commit 49917d576a578c8c29b8dbcbd5257c366a53d498
author Miss Islington (bot) <31488909+miss-islington@users.noreply.github.com> Tue Sep 15 16:37:13 2020 -0700
committer GitHub <noreply@github.com> Tue Sep 15 16:37:13 2020 -0700
tree 7f100a76b6d2e5e3a9cf189ba33412aefd1d3f88
parent 03748837342d45126e71727b400e8fb3d96afc9f

bpo-41780: Fix __dir__ of types.GenericAlias (GH-22262)


Automerge-Triggered-By: @gvanrossum
(cherry picked from commit 2e87774df1a0eaf2a1fe8cc4d958df60f7125b6e)

Co-authored-by: Batuhan Taskaya <isidentical@gmail.com>

Lib/test/test_genericalias.py

diff --git a/Lib/test/test_genericalias.py b/Lib/test/test_genericalias.py
index 4f3798e..ec1acd4 100644
--- a/Lib/test/test_genericalias.py
+++ b/Lib/test/test_genericalias.py
@@ -283,6 +283,11 @@
         self.assertEqual(a.__args__, (list[T], tuple[T, ...]))
         self.assertEqual(a.__parameters__, (T,))
 
+    def test_dir(self):
+        dir_of_gen_alias = set(dir(list[int]))
+        self.assertTrue(dir_of_gen_alias.issuperset(dir(list)))
+        for generic_alias_property in ("__origin__", "__args__", "__parameters__"):
+            self.assertIn(generic_alias_property, dir_of_gen_alias)
 
 if __name__ == "__main__":
     unittest.main()