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| author | Ma Lin <animalize@users.noreply.github.com> | 2021-06-22 15:04:23 +0800 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2021-06-22 10:04:23 +0300 |
| commit | bc6c12c72a9536acc96e7b9355fd69d1083a43c1 (patch) | |
| tree | 6037ba6a1f6d777581124df4395a0b8a13472706 /Lib/test/test_lzma.py | |
| parent | 92c2e91580521ba5c85aa3205a0211df5b48689b (diff) | |
| download | cpython-git-bc6c12c72a9536acc96e7b9355fd69d1083a43c1.tar.gz | |
bpo-44439: BZ2File.write() / LZMAFile.write() handle buffer protocol correctly (GH-26764)
No longer use len() to get the length of the input data. For some buffer protocol objects,
the length obtained by using len() is wrong.
Diffstat (limited to 'Lib/test/test_lzma.py')
| -rw-r--r-- | Lib/test/test_lzma.py | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/Lib/test/test_lzma.py b/Lib/test/test_lzma.py index db20300056..1e2066b891 100644 --- a/Lib/test/test_lzma.py +++ b/Lib/test/test_lzma.py @@ -1,4 +1,5 @@ import _compression +import array from io import BytesIO, UnsupportedOperation, DEFAULT_BUFFER_SIZE import os import pathlib @@ -1231,6 +1232,14 @@ class FileTestCase(unittest.TestCase): self.assertTrue(d2.eof) self.assertEqual(out1 + out2, entire) + def test_issue44439(self): + q = array.array('Q', [1, 2, 3, 4, 5]) + LENGTH = len(q) * q.itemsize + + with LZMAFile(BytesIO(), 'w') as f: + self.assertEqual(f.write(q), LENGTH) + self.assertEqual(f.tell(), LENGTH) + class OpenTestCase(unittest.TestCase): |