Method test_timeout

Lib/test/lock_tests.py:227–252

(self)

            pass

    def test_timeout(self):
        lock = self.locktype()
        # Can't set timeout if not blocking
        self.assertRaises(ValueError, lock.acquire, False, 1)
        # Invalid timeout values
        self.assertRaises(ValueError, lock.acquire, timeout=-100)
        self.assertRaises(OverflowError, lock.acquire, timeout=1e100)
        self.assertRaises(OverflowError, lock.acquire, timeout=TIMEOUT_MAX + 1)
        # TIMEOUT_MAX is ok
        lock.acquire(timeout=TIMEOUT_MAX)
        lock.release()
        t1 = time.monotonic()
        self.assertTrue(lock.acquire(timeout=5))
        t2 = time.monotonic()
        # Just a sanity test that it didn't actually wait for the timeout.
        self.assertLess(t2 - t1, 5)
        results = []
        def f():
            t1 = time.monotonic()
            results.append(lock.acquire(timeout=0.5))
            t2 = time.monotonic()
            results.append(t2 - t1)
        with Bunch(f, 1):
            pass
        self.assertFalse(results[0])
        self.assertTimeout(results[1], 0.5)

    def test_weakref_exists(self):
        lock = self.locktype()