Method test_length_zero_header

Lib/test/test_tarfile.py:519–524

(self)

                    tar.extractfile(t).read()

    def test_length_zero_header(self):
        # bpo-39017 (CVE-2019-20907): reading a zero-length header should fail
        # with an exception
        with self.assertRaisesRegex(tarfile.ReadError, "file could not be opened successfully"):
            with tarfile.open(support.findfile('recursion.tar', subdir='archivetestdata')):
                pass

    def test_extractfile_attrs(self):
        # gh-74468: TarFile.name must name a file, not a parent archive.