[3.12] gh-131441: Add a set of asserts to test.test_capi.test_list (#131442) (#131533)

gh-131441: Add a set of asserts to test.test_capi.test_list (#131442)

(cherry picked from commit 2433cc79d79d9c1db8e53d4b9bde26e9a47fb0b9)

diff --git a/Lib/test/test_capi/test_list.py b/Lib/test/test_capi/test_list.py
index 7dc4d3b284b0c6c3d0545d8d3e2863e21176cb2f..b36aa1bab91f3f077c1a4b73c79257bc57185a40 100644 (file)
--- a/Lib/test/test_capi/test_list.py
+++ b/Lib/test/test_capi/test_list.py
@@ -53,6 +53,7 @@ class CAPITest(unittest.TestCase):
     def test_list_size(self):
         # Test PyList_Size()
         size = _testcapi.list_size
+        self.assertEqual(size([]), 0)
         self.assertEqual(size([1, 2]), 2)
         self.assertEqual(size(ListSubclass([1, 2])), 2)
         self.assertRaises(SystemError, size, UserList())
@@ -64,6 +65,7 @@ class CAPITest(unittest.TestCase):
     def test_list_get_size(self):
         # Test PyList_GET_SIZE()
         size = _testcapi.list_get_size
+        self.assertEqual(size([]), 0)
         self.assertEqual(size([1, 2]), 2)
         self.assertEqual(size(ListSubclass([1, 2])), 2)
         # CRASHES size(object())
@@ -261,6 +263,7 @@ class CAPITest(unittest.TestCase):
 
         self.assertEqual(list_reverse([]), [])
         self.assertEqual(list_reverse([2, 5, 10]), [10, 5, 2])
+        self.assertEqual(list_reverse(list_reverse([2, 5, 10])), [2, 5, 10])
 
         self.assertRaises(SystemError, reverse, ())
         self.assertRaises(SystemError, reverse, object())
@@ -270,6 +273,7 @@ class CAPITest(unittest.TestCase):
         # Test PyList_AsTuple()
         astuple = _testcapi.list_astuple
         self.assertEqual(astuple([]), ())
+        self.assertEqual(astuple([[]]), ([],))
         self.assertEqual(astuple([2, 5, 10]), (2, 5, 10))
 
         self.assertRaises(SystemError, astuple, ())