https://github.com/python/cpython/commit/636e9dd23f88c701eecf91156835fe0fc8b... commit: 636e9dd23f88c701eecf91156835fe0fc8b1feb6 branch: main author: tqxia <44689929+tqxia@users.noreply.github.com> committer: methane <songofacandy@gmail.com> date: 2022-12-31T18:15:30+09:00 summary: gh-94808: Improve coverage of dictresize (GH-100619) files: M Lib/test/test_dict.py diff --git a/Lib/test/test_dict.py b/Lib/test/test_dict.py index 5b8baaf9e6e2..79638340059f 100644 --- a/Lib/test/test_dict.py +++ b/Lib/test/test_dict.py @@ -1094,6 +1094,21 @@ def __init__(self, order): d.update(o.__dict__) self.assertEqual(list(d), ["c", "b", "a"]) + @support.cpython_only + def test_splittable_to_generic_combinedtable(self): + """split table must be correctly resized and converted to generic combined table""" + class C: + pass + + a = C() + a.x = 1 + d = a.__dict__ + before_resize = sys.getsizeof(d) + d[2] = 2 # split table is resized to a generic combined table + + self.assertGreater(sys.getsizeof(d), before_resize) + self.assertEqual(list(d), ['x', 2]) + def test_iterator_pickling(self): for proto in range(pickle.HIGHEST_PROTOCOL + 1): data = {1:"a", 2:"b", 3:"c"}