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[3.14] gh-129559: add bytearray.resize thread safety test for free-threading (GH-141739) (#141835)

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[3.14] gh-129559: add `bytearray.resize` thread safety test for free-threading  (GH-141739)
(cherry picked from commit 019c315a8e52978da67a3108e441ed5ee376f504)
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Cody Maloney 2025-11-21 20:11:20 -08:00 committed by GitHub
parent 8d5cf98e45
commit cfcf7652f6
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1 changed files with 6 additions and 0 deletions
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6
Lib/test/test_bytes.py
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@ -2564,6 +2564,10 @@ class FreeThreadingTest(unittest.TestCase):
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 check(funcs, a=None, *args):
if a is None:
a = bytearray(b'0' * 0x400000)
@ -2625,6 +2629,8 @@ class FreeThreadingTest(unittest.TestCase):
check([clear] + [startswith] * 10)
check([clear] + [strip] * 10)
check([clear] + [resize] * 10)
check([clear] + [contains] * 10)
check([clear] + [subscript] * 10)
check([clear2] + [ass_subscript2] * 10, None, bytearray(b'0' * 0x400000))