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Diffstat (limited to 'Lib/test/test_gzip.py')
| -rw-r--r-- | Lib/test/test_gzip.py | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/Lib/test/test_gzip.py b/Lib/test/test_gzip.py index 2b0ac36..5ae7467 100644 --- a/Lib/test/test_gzip.py +++ b/Lib/test/test_gzip.py @@ -323,6 +323,14 @@ class TestGzip(unittest.TestCase): self.assertEqual(f.read(100), b'') self.assertEqual(nread, len(uncompressed)) + def test_fileobj_from_fdopen(self): + # Issue #13781: Opening a GzipFile for writing fails when using a + # fileobj created with os.fdopen(). + fd = os.open(self.filename, os.O_WRONLY | os.O_CREAT) + with os.fdopen(fd, "wb") as f: + with gzip.GzipFile(fileobj=f, mode="w") as g: + pass + # Testing compress/decompress shortcut functions def test_compress(self): |