diff options
Diffstat (limited to 'Lib/test/test_csv.py')
| -rw-r--r-- | Lib/test/test_csv.py | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/Lib/test/test_csv.py b/Lib/test/test_csv.py index 834217b..05653a2 100644 --- a/Lib/test/test_csv.py +++ b/Lib/test/test_csv.py @@ -10,7 +10,7 @@ import csv import gc import pickle from test import support -from test.support import warnings_helper +from test.support import warnings_helper, import_helper, check_disallow_instantiation from itertools import permutations from textwrap import dedent from collections import OrderedDict @@ -1390,5 +1390,12 @@ class MiscTestCase(unittest.TestCase): # issue 44089 class Foo(csv.Error): ... + @support.cpython_only + def test_disallow_instantiation(self): + _csv = import_helper.import_module("_csv") + for tp in _csv.Reader, _csv.Writer: + with self.subTest(tp=tp): + check_disallow_instantiation(self, tp) + if __name__ == '__main__': unittest.main() |