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Diffstat (limited to 'Lib/test/test_zipfile.py')
| -rw-r--r-- | Lib/test/test_zipfile.py | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/Lib/test/test_zipfile.py b/Lib/test/test_zipfile.py index 4c6f57c..7b8922f 100644 --- a/Lib/test/test_zipfile.py +++ b/Lib/test/test_zipfile.py @@ -770,6 +770,20 @@ class StoredTestZip64InSmallFiles(AbstractTestZip64InSmallFiles, with zipfile.ZipFile(TESTFN2, "r", zipfile.ZIP_STORED) as zipfp: self.assertEqual(zipfp.namelist(), ["absolute"]) + def test_append(self): + # Test that appending to the Zip64 archive doesn't change + # extra fields of existing entries. + with zipfile.ZipFile(TESTFN2, "w", allowZip64=True) as zipfp: + zipfp.writestr("strfile", self.data) + with zipfile.ZipFile(TESTFN2, "r", allowZip64=True) as zipfp: + zinfo = zipfp.getinfo("strfile") + extra = zinfo.extra + with zipfile.ZipFile(TESTFN2, "a", allowZip64=True) as zipfp: + zipfp.writestr("strfile2", self.data) + with zipfile.ZipFile(TESTFN2, "r", allowZip64=True) as zipfp: + zinfo = zipfp.getinfo("strfile") + self.assertEqual(zinfo.extra, extra) + @requires_zlib class DeflateTestZip64InSmallFiles(AbstractTestZip64InSmallFiles, unittest.TestCase): |