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[3.12] gh-109565: Fix concurrent.futures test_future_times_out() (GH-109949) (#109952)

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gh-109565: Fix concurrent.futures test_future_times_out() (GH-109949)

as_completed() uses a timeout of 100 ms instead of 10 ms. Windows
monotonic clock resolution is around 15.6 ms.
(cherry picked from commit b1aebf1e65)

Co-authored-by: Victor Stinner <vstinner@python.org>
This commit is contained in:
Miss Islington (bot) 2023-10-02 08:40:16 -07:00 • committed by GitHub
parent 1fc25a389c
commit 73ec1e7c21
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1 changed files with 5 additions and 2 deletions
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7
Lib/test/test_concurrent_futures/test_as_completed.py
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@ -42,11 +42,14 @@ class AsCompletedTests:
EXCEPTION_FUTURE,
SUCCESSFUL_FUTURE}
for timeout in (0, 0.01):
# Windows clock resolution is around 15.6 ms
short_timeout = 0.100
for timeout in (0, short_timeout):
with self.subTest(timeout):
future = self.executor.submit(time.sleep, 0.1)
completed_futures = set()
future = self.executor.submit(time.sleep, short_timeout * 10)
try:
for f in futures.as_completed(
already_completed | {future},