diff options
Diffstat (limited to 'Lib')
| -rw-r--r-- | Lib/test/test_epoll.py | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/Lib/test/test_epoll.py b/Lib/test/test_epoll.py index 6459fba..22e9896 100644 --- a/Lib/test/test_epoll.py +++ b/Lib/test/test_epoll.py @@ -47,6 +47,17 @@ class TestEPoll(unittest.TestCase): self.serverSocket.listen(1) self.connections = [self.serverSocket] + def test_timeout_rounding(self): + # epoll_wait() has a resolution of 1 millisecond, check if the timeout + # is correctly rounded to the upper bound + epoll = select.epoll() + self.addCleanup(epoll.close) + for timeout in (1e-2, 1e-3, 1e-4): + t0 = time.perf_counter() + epoll.poll(timeout) + dt = time.perf_counter() - t0 + self.assertGreaterEqual(dt, timeout) + def tearDown(self): for skt in self.connections: |