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[3.11] gh-111803: Make test_deep_nesting from test_plistlib more strict (GH-114026) (GH-114407)

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It is no longer silently passed if RecursionError was raised for low
recursion depth.
(cherry picked from commit db1c18eb62)

Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
This commit is contained in:
Miss Islington (bot) 2024-01-22 16:31:21 +01:00 • committed by GitHub
parent a0f30b04fe
commit 804037ee4a
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1 changed files with 3 additions and 2 deletions
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5
Lib/test/test_plistlib.py
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@ -908,12 +908,13 @@ def test_cycles(self):
self.assertIs(b['x'], b)
def test_deep_nesting(self):
for N in [300, 100000]:
tests = [50, 100_000] if support.is_wasi else [50, 300, 100_000]
for N in tests:
chunks = [b'\xa1' + (i + 1).to_bytes(4, 'big') for i in range(N)]
try:
result = self.decode(*chunks, b'\x54seed', offset_size=4, ref_size=4)
except RecursionError:
pass
self.assertGreater(N, sys.getrecursionlimit()//3)
else:
for i in range(N):
self.assertIsInstance(result, list)