test_multiprocessing.py 文件源码

def test_number_of_objects(self):
        EXPECTED_NUMBER = 1                # the pool object is still alive
        multiprocessing.active_children()  # discard dead process objs
        gc.collect()                       # do garbage collection
        refs = self.manager._number_of_objects()
        debug_info = self.manager._debug_info()
        if refs != EXPECTED_NUMBER:
            print self.manager._debug_info()
            print debug_info

        self.assertEqual(refs, EXPECTED_NUMBER)

#
# Test of creating a customized manager class
#