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[3.11] gh-109401: Fix threading barrier test_default_timeout() (GH-109875) (#109877)

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gh-109401: Fix threading barrier test_default_timeout() (GH-109875)

Increase timeouts. Barrier default timeout should be long enough to
spawn 4 threads on a slow CI.
(cherry picked from commit e5186c3de4)

Co-authored-by: Victor Stinner <vstinner@python.org>
This commit is contained in:
Miss Islington (bot) 2023-09-25 17:34:00 -07:00 • committed by GitHub
parent 358282e965
commit 95e616aee0
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1 changed files with 6 additions and 4 deletions
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10
Lib/test/lock_tests.py
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@ -1015,13 +1015,15 @@ def test_default_timeout(self):
"""
Test the barrier's default timeout
"""
# create a barrier with a low default timeout
barrier = self.barriertype(self.N, timeout=0.3)
# gh-109401: Barrier timeout should be long enough
# to create 4 threads on a slow CI.
timeout = 1.0
barrier = self.barriertype(self.N, timeout=timeout)
def f():
i = barrier.wait()
if i == self.N // 2:
# One thread is later than the default timeout of 0.3s.
time.sleep(1.0)
# One thread is later than the default timeout.
time.sleep(timeout * 2)
self.assertRaises(threading.BrokenBarrierError, barrier.wait)
self.run_threads(f)