Method test_references

Lib/test/test_queue.py:999–1012

(self)

        self.assertEqual(sorted(results), inputs)

    def test_references(self):
        # The queue should lose references to each item as soon as
        # it leaves the queue.
        class C:
            pass

        N = 20
        q = self.q
        for i in range(N):
            q.put(C())
        for i in range(N):
            wr = weakref.ref(q.get())
            gc_collect()  # For PyPy or other GCs.
            self.assertIsNone(wr())


class PySimpleQueueTest(BaseSimpleQueueTest, unittest.TestCase):