diff options
| -rw-r--r-- | Lib/test/test_time.py | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/Lib/test/test_time.py b/Lib/test/test_time.py index eda3885..1ebe0cf 100644 --- a/Lib/test/test_time.py +++ b/Lib/test/test_time.py @@ -529,19 +529,24 @@ class TimeTestCase(unittest.TestCase): # on Windows self.assertLess(stop - start, 0.020) + # bpo-33723: A busy loop of 100 ms should increase thread_time() + # by at least 15 ms + min_time = 0.015 + busy_time = 0.100 + # thread_time() should include CPU time spent in current thread... start = time.thread_time() - busy_wait(0.100) + busy_wait(busy_time) stop = time.thread_time() - self.assertGreaterEqual(stop - start, 0.020) # machine busy? + self.assertGreaterEqual(stop - start, min_time) # ...but not in other threads - t = threading.Thread(target=busy_wait, args=(0.100,)) + t = threading.Thread(target=busy_wait, args=(busy_time,)) start = time.thread_time() t.start() t.join() stop = time.thread_time() - self.assertLess(stop - start, 0.020) + self.assertLess(stop - start, min_time) info = time.get_clock_info('thread_time') self.assertTrue(info.monotonic) |