test_time.py 文件源码

def test_monotonic(self):
        t1 = time.monotonic()
        time.sleep(0.5)
        t2 = time.monotonic()
        dt = t2 - t1
        self.assertGreater(t2, t1)
        self.assertAlmostEqual(dt, 0.5, delta=0.2)

        info = time.get_clock_info('monotonic')
        self.assertTrue(info.monotonic)
        self.assertFalse(info.adjustable)