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Issue #20452: test_asyncio checks also the granularity

This commit is contained in:
Victor Stinner 2014-02-01 02:17:54 +01:00
parent 6d300d672c
commit 1144214639
1 changed files with 8 additions and 0 deletions
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8
Lib/test/test_asyncio/test_events.py
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@ -1179,6 +1179,14 @@ class EventLoopTestsMixin:
calls.append(self.loop._run_once_counter)
self.assertEqual(calls, [1, 3, 5, 6])
def test_granularity(self):
granularity = self.loop._granularity
self.assertGreater(granularity, 0.0)
# Worst expected granularity: 1 ms on Linux (limited by poll/epoll
# resolution), 15.6 ms on Windows (limited by time.monotonic
# resolution)
self.assertLess(granularity, 0.050)
class SubprocessTestsMixin: