https://github.com/python/cpython/commit/019c315a8e52978da67a3108e441ed5ee376f504
commit: 019c315a8e52978da67a3108e441ed5ee376f504
branch: main
author: Cody Maloney <[email protected]>
committer: kumaraditya303 <[email protected]>
date: 2025-11-21T23:42:22+05:30
summary:
gh-129559: add `bytearray.resize` thread safety test for free-threading
(#141739)
files:
M Lib/test/test_bytes.py
diff --git a/Lib/test/test_bytes.py b/Lib/test/test_bytes.py
index 7ca38bb8c8421e..a6cf899fa51e75 100644
--- a/Lib/test/test_bytes.py
+++ b/Lib/test/test_bytes.py
@@ -2655,6 +2655,10 @@ def zfill(b, a):
c = a.zfill(0x400000)
assert not c or c[-1] not in (0xdd, 0xcd)
+ def resize(b, a): # MODIFIES!
+ b.wait()
+ a.resize(10)
+
def take_bytes(b, a): # MODIFIES!
b.wait()
c = a.take_bytes()
@@ -2728,6 +2732,8 @@ def check(funcs, a=None, *args):
check([clear] + [startswith] * 10)
check([clear] + [strip] * 10)
+ check([clear] + [resize] * 10)
+
check([clear] + [take_bytes] * 10)
check([take_bytes_n] * 10, bytearray(b'0123456789' * 0x400))
check([take_bytes_n] * 10, bytearray(b'0123456789' * 5))
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