diff options
| -rw-r--r-- | Lib/test/test_dbm.py | 17 | ||||
| -rw-r--r-- | Lib/test/test_dbm_ndbm.py | 14 |
2 files changed, 29 insertions, 2 deletions
diff --git a/Lib/test/test_dbm.py b/Lib/test/test_dbm.py index fb89807..78c32c4 100644 --- a/Lib/test/test_dbm.py +++ b/Lib/test/test_dbm.py @@ -38,8 +38,7 @@ def delete_files(): class AnyDBMTestCase: - _dict = {'0': b'', - 'a': b'Python:', + _dict = {'a': b'Python:', 'b': b'Programming', 'c': b'the', 'd': b'way', @@ -109,6 +108,20 @@ class AnyDBMTestCase: keys = self.keys_helper(f) f.close() + def test_empty_value(self): + if getattr(dbm._defaultmod, 'library', None) == 'Berkeley DB': + self.skipTest("Berkeley DB doesn't distinguish the empty value " + "from the absent one") + f = dbm.open(_fname, 'c') + self.assertEqual(f.keys(), []) + f[b'empty'] = b'' + self.assertEqual(f.keys(), [b'empty']) + self.assertIn(b'empty', f) + self.assertEqual(f[b'empty'], b'') + self.assertEqual(f.get(b'empty'), b'') + self.assertEqual(f.setdefault(b'empty'), b'') + f.close() + def test_anydbm_access(self): self.init_db() f = dbm.open(_fname, 'r') diff --git a/Lib/test/test_dbm_ndbm.py b/Lib/test/test_dbm_ndbm.py index f921167..49b88f5 100644 --- a/Lib/test/test_dbm_ndbm.py +++ b/Lib/test/test_dbm_ndbm.py @@ -36,6 +36,20 @@ class DbmTestCase(unittest.TestCase): self.assertEqual(self.d[b'xxx'], b'foo') self.d.close() + def test_empty_value(self): + if dbm.ndbm.library == 'Berkeley DB': + self.skipTest("Berkeley DB doesn't distinguish the empty value " + "from the absent one") + self.d = dbm.ndbm.open(self.filename, 'c') + self.assertEqual(self.d.keys(), []) + self.d['empty'] = '' + self.assertEqual(self.d.keys(), [b'empty']) + self.assertIn(b'empty', self.d) + self.assertEqual(self.d[b'empty'], b'') + self.assertEqual(self.d.get(b'empty'), b'') + self.assertEqual(self.d.setdefault(b'empty'), b'') + self.d.close() + def test_modes(self): for mode in ['r', 'rw', 'w', 'n']: try: |