1 files changed, 15 insertions, 0 deletions
diff --git a/Lib/test/test_dbm_dumb.py b/Lib/test/test_dbm_dumb.py
index 21f29af..652a355 100644
--- a/Lib/test/test_dbm_dumb.py
+++ b/Lib/test/test_dbm_dumb.py
@@ -281,6 +281,21 @@ class DumbDBMTestCase(unittest.TestCase):
                 self.assertEqual(sorted(f.keys()), sorted(self._dict))
                 f.close()  # don't write
 
+    @unittest.skipUnless(support.TESTFN_NONASCII,
+                         'requires OS support of non-ASCII encodings')
+    def test_nonascii_filename(self):
+        filename = support.TESTFN_NONASCII
+        for suffix in ['.dir', '.dat', '.bak']:
+            self.addCleanup(support.unlink, filename + suffix)
+        with dumbdbm.open(filename, 'c') as db:
+            db[b'key'] = b'value'
+        self.assertTrue(os.path.exists(filename + '.dat'))
+        self.assertTrue(os.path.exists(filename + '.dir'))
+        with dumbdbm.open(filename, 'r') as db:
+            self.assertEqual(list(db.keys()), [b'key'])
+            self.assertTrue(b'key' in db)
+            self.assertEqual(db[b'key'], b'value')
+
     def tearDown(self):
         _delete_files()