commit 0a3452e7cf00c51ab1af0f674b670520b09f0e39
author Erlend Egeberg Aasland <erlend.aasland@innova.no> Thu Jun 24 01:46:25 2021 +0200
committer GitHub <noreply@github.com> Wed Jun 23 16:46:25 2021 -0700
tree 8efbb430884138d24a4a0b4d3fe8eff51aa157e2
parent ece3841d3ddf38875b997eb919488cbb911a66e2

[3.10] bpo-43988: Add test.support.check_disallow_instantiation() (GH-25757) (GH-26885)



(cherry picked from commit 4f725261c6cf23d259e8fdc205e12b76ef4d2d31, fbff5387c3e1f3904420fa5a27738c6c5881305b, and 8cec740820fc875117bfa7b6bdb10202ebeb8fd5)

Co-authored-by: Erlend Egeberg Aasland <erlend.aasland@innova.no>

Automerge-Triggered-By: GH:vstinner

Lib/test/test_functools.py

diff --git a/Lib/test/test_functools.py b/Lib/test/test_functools.py
index 3320ab7..78a8a5f 100644
--- a/Lib/test/test_functools.py
+++ b/Lib/test/test_functools.py
@@ -951,8 +951,9 @@ class TestCmpToKeyC(TestCmpToKey, unittest.TestCase):
     @support.cpython_only
     def test_disallow_instantiation(self):
         # Ensure that the type disallows instantiation (bpo-43916)
-        tp = type(c_functools.cmp_to_key(None))
-        self.assertRaises(TypeError, tp)
+        support.check_disallow_instantiation(
+            self, type(c_functools.cmp_to_key(None))
+        )
 
 
 class TestCmpToKeyPy(TestCmpToKey, unittest.TestCase):