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| author | Erlend Egeberg Aasland <erlend.aasland@innova.no> | 2021-04-30 16:04:57 +0200 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2021-04-30 16:04:57 +0200 |
| commit | 9746cda705decebc0ba572d95612796afd06dcd4 (patch) | |
| tree | d21d7082061099687919b8e744250bb39cf5613d /Lib/test/test_zlib.py | |
| parent | 387397f8a4244c983f4568c16a28842e3268fe5d (diff) | |
| download | cpython-9746cda705decebc0ba572d95612796afd06dcd4.tar.gz cpython-9746cda705decebc0ba572d95612796afd06dcd4.zip | |
bpo-43916: Apply Py_TPFLAGS_DISALLOW_INSTANTIATION to selected types (GH-25748)
Apply Py_TPFLAGS_DISALLOW_INSTANTIATION to the following types:
* _dbm.dbm
* _gdbm.gdbm
* _multibytecodec.MultibyteCodec
* _sre..SRE_Scanner
* _thread._localdummy
* _thread.lock
* _winapi.Overlapped
* array.arrayiterator
* functools.KeyWrapper
* functools._lru_list_elem
* pyexpat.xmlparser
* re.Match
* re.Pattern
* unicodedata.UCD
* zlib.Compress
* zlib.Decompress
Diffstat (limited to 'Lib/test/test_zlib.py')
| -rw-r--r-- | Lib/test/test_zlib.py | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/Lib/test/test_zlib.py b/Lib/test/test_zlib.py index 7f30cac64f7..694ef6e4875 100644 --- a/Lib/test/test_zlib.py +++ b/Lib/test/test_zlib.py @@ -129,6 +129,14 @@ class ExceptionTestCase(unittest.TestCase): with self.assertRaisesRegex(OverflowError, 'int too large'): zlib.decompressobj().flush(sys.maxsize + 1) + @support.cpython_only + def test_disallow_instantiation(self): + # Ensure that the type disallows instantiation (bpo-43916) + comp_type = type(zlib.compressobj()) + decomp_type = type(zlib.decompressobj()) + self.assertRaises(TypeError, comp_type) + self.assertRaises(TypeError, decomp_type) + class BaseCompressTestCase(object): def check_big_compress_buffer(self, size, compress_func): |