From 601ef402fd75a55f0a07bdc8c85b236800fcc6eb Mon Sep 17 00:00:00 2001
From: "Miss Islington (bot)"
 <31488909+miss-islington@users.noreply.github.com>
Date: Mon, 30 Sep 2024 03:24:40 +0200
Subject: [PATCH] [3.13] gh-123881: Add additional test coverage for PEP 695
 edge cases (GH-123886) (#123890)

gh-123881: Add additional test coverage for PEP 695 edge cases (GH-123886)
(cherry picked from commit b52de7e02dba9e1f176d6d978d782fbd0509311e)

Co-authored-by: Jelle Zijlstra <jelle.zijlstra@gmail.com>
---
 Lib/test/test_type_params.py | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/Lib/test/test_type_params.py b/Lib/test/test_type_params.py
index bf1a34b9fc82b3..4eb4bf024de757 100644
--- a/Lib/test/test_type_params.py
+++ b/Lib/test/test_type_params.py
@@ -950,6 +950,7 @@ class C[T](Base, a=1, b=2, **kwargs):
         T, = C.__type_params__
         self.assertEqual(T.__name__, "T")
         self.assertEqual(C.kwargs, {"a": 1, "b": 2, "c": 3})
+        self.assertEqual(C.__bases__, (Base, Generic))
 
         bases = (Base,)
         class C2[T](*bases, **kwargs):
@@ -958,6 +959,22 @@ class C2[T](*bases, **kwargs):
         T, = C2.__type_params__
         self.assertEqual(T.__name__, "T")
         self.assertEqual(C2.kwargs, {"c": 3})
+        self.assertEqual(C2.__bases__, (Base, Generic))
+
+    def test_starargs_base(self):
+        class C1[T](*()): pass
+
+        T, = C1.__type_params__
+        self.assertEqual(T.__name__, "T")
+        self.assertEqual(C1.__bases__, (Generic,))
+
+        class Base: pass
+        bases = [Base]
+        class C2[T](*bases): pass
+
+        T, = C2.__type_params__
+        self.assertEqual(T.__name__, "T")
+        self.assertEqual(C2.__bases__, (Base, Generic))
 
 
 class TypeParamsTraditionalTypeVarsTest(unittest.TestCase):