[Python-checkins] gh-108000: Test that `lambda` also has `__type_params__` (#108002)

[JelleZijlstra]

https://github.com/python/cpython/commit/a8d440b3837273926af5ce996162b019290ddad5
commit: a8d440b3837273926af5ce996162b019290ddad5
branch: main
author: Nikita Sobolev <mail at sobolevn.me>
committer: JelleZijlstra <jelle.zijlstra at gmail.com>
date: 2023-08-16T06:22:18-07:00
summary:

gh-108000: Test that `lambda` also has `__type_params__` (#108002)

files:
M Lib/test/test_funcattrs.py

diff --git a/Lib/test/test_funcattrs.py b/Lib/test/test_funcattrs.py
index e08d72877d8ae..35b473d5e9a0b 100644
--- a/Lib/test/test_funcattrs.py
+++ b/Lib/test/test_funcattrs.py
@@ -194,16 +194,19 @@ def test___qualname__(self):
     def test___type_params__(self):
         def generic[T](): pass
         def not_generic(): pass
+        lambda_ = lambda: ...
         T, = generic.__type_params__
         self.assertIsInstance(T, typing.TypeVar)
         self.assertEqual(generic.__type_params__, (T,))
-        self.assertEqual(not_generic.__type_params__, ())
-        with self.assertRaises(TypeError):
-            del not_generic.__type_params__
-        with self.assertRaises(TypeError):
-            not_generic.__type_params__ = 42
-        not_generic.__type_params__ = (T,)
-        self.assertEqual(not_generic.__type_params__, (T,))
+        for func in (not_generic, lambda_):
+            with self.subTest(func=func):
+                self.assertEqual(func.__type_params__, ())
+                with self.assertRaises(TypeError):
+                    del func.__type_params__
+                with self.assertRaises(TypeError):
+                    func.__type_params__ = 42
+                func.__type_params__ = (T,)
+                self.assertEqual(func.__type_params__, (T,))
 
     def test___code__(self):
         num_one, num_two = 7, 8