_test_multiprocessing.py 文件源码

def test_action(self):
        """
        Test the 'action' callback
        """
        results = self.DummyList()
        barrier = self.Barrier(self.N, action=AppendTrue(results))
        self.run_threads(self._test_action_f, (barrier, results))
        self.assertEqual(len(results), 1)