_test_multiprocessing.py 文件源码

def test_getobj_getlock(self):
        val1 = self.Value('i', 5)
        lock1 = val1.get_lock()
        obj1 = val1.get_obj()

        val2 = self.Value('i', 5, lock=None)
        lock2 = val2.get_lock()
        obj2 = val2.get_obj()

        lock = self.Lock()
        val3 = self.Value('i', 5, lock=lock)
        lock3 = val3.get_lock()
        obj3 = val3.get_obj()
        self.assertEqual(lock, lock3)

        arr4 = self.Value('i', 5, lock=False)
        self.assertFalse(hasattr(arr4, 'get_lock'))
        self.assertFalse(hasattr(arr4, 'get_obj'))

        self.assertRaises(AttributeError, self.Value, 'i', 5, lock='navalue')

        arr5 = self.RawValue('i', 5)
        self.assertFalse(hasattr(arr5, 'get_lock'))
        self.assertFalse(hasattr(arr5, 'get_obj'))