diff --git a/Lib/test/test_time.py b/Lib/test/test_time.py index 16b48a92f327dc..381cc823014e26 100644 --- a/Lib/test/test_time.py +++ b/Lib/test/test_time.py @@ -496,7 +496,8 @@ def test_process_time(self): self.assertLess(stop - start, 0.020) # bpo-33723: A busy loop of 100 ms should increase process_time() - # by at least 15 ms + # by at least 15 ms. Tolerate 15 ms because of the bad resolution of + # the clock on Windows (around 15.6 ms). min_time = 0.015 busy_time = 0.100 @@ -534,8 +535,11 @@ def test_thread_time(self): self.assertLess(stop - start, 0.020) # bpo-33723: A busy loop of 100 ms should increase thread_time() - # by at least 15 ms + # by at least 15 ms, but less than 30 ms in other threads. + # Tolerate 15 and 30 ms because of the bad resolution + # of the clock on Windows (around 15.6 ms). min_time = 0.015 + max_time = 0.030 busy_time = 0.100 # thread_time() should include CPU time spent in current thread... @@ -550,7 +554,7 @@ def test_thread_time(self): t.start() t.join() stop = time.thread_time() - self.assertLess(stop - start, min_time) + self.assertLess(stop - start, max_time) info = time.get_clock_info('thread_time') self.assertTrue(info.monotonic)