147     def assert_del_calls(self, ids):  argument
148         self.assertEqual(sorted(SimpleBase.del_calls), sorted(ids))
150     def assert_tp_del_calls(self, ids):  argument
151         self.assertEqual(sorted(SimpleBase.tp_del_calls), sorted(ids))
153     def assert_survivors(self, ids):  argument
154         self.assertEqual(sorted(id(x) for x in SimpleBase.survivors), sorted(ids))
156     def assert_garbage(self, ids):  argument
157         self.assertEqual(sorted(id(x) for x in gc.garbage), sorted(ids))
171             ids = [id(s)]
175             self.assert_del_calls(ids)
179             self.assert_del_calls(ids)
185             ids = [id(s)]
189             self.assert_del_calls(ids)
190             self.assert_survivors(ids)
194             self.assert_del_calls(ids)
203             ids = [id(s)]
206             self.assert_del_calls(ids)
209             self.assert_del_calls(ids)
217             ids = [id(s)]
220             self.assert_del_calls(ids)
221             self.assert_survivors(ids)
224             self.assert_del_calls(ids * 2)
225             self.assert_survivors(ids)
262             ids = [id(s)]
266             self.assert_del_calls(ids)
270             self.assert_del_calls(ids)
277             ids = [id(s)]
281             self.assert_del_calls(ids)
282             self.assert_survivors(ids)
289             self.assert_del_calls(ids)
298             ids = [id(s)]
302             self.assert_del_calls(ids)
306             self.assert_del_calls(ids)
369             ids = [id(s) for s in nodes]
373             self.assert_del_calls(ids)
377             self.assert_del_calls(ids)
384             ids = [id(s) for s in nodes]
389             self.assert_del_calls(ids)
395             self.assert_del_calls(ids)
487             ids = [id(s)]
491             self.assert_del_calls(ids)
492             self.assert_tp_del_calls(ids)
496             self.assert_del_calls(ids)
497             self.assert_tp_del_calls(ids)
502             ids = [id(s)]
506             self.assert_del_calls(ids)
507             self.assert_tp_del_calls(ids)
508             self.assert_survivors(ids)
513             self.assert_del_calls(ids)
514             self.assert_tp_del_calls(ids * 2)
515             self.assert_survivors(ids)
522             ids = [id(s)]
529             self.assert_garbage(ids)