Issue #20452: test_asyncio checks also the granularity
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@ -1179,6 +1179,14 @@ class EventLoopTestsMixin:
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calls.append(self.loop._run_once_counter)
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self.assertEqual(calls, [1, 3, 5, 6])
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def test_granularity(self):
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granularity = self.loop._granularity
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self.assertGreater(granularity, 0.0)
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# Worst expected granularity: 1 ms on Linux (limited by poll/epoll
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# resolution), 15.6 ms on Windows (limited by time.monotonic
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# resolution)
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self.assertLess(granularity, 0.050)
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class SubprocessTestsMixin:
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