Method test3

Lib/test/test_asyncgen.py:891–897

(anext)

                    g.throw(MyError())

        def test3(anext):
            agen = agenfn()
            with contextlib.closing(anext(agen, "default").__await__()) as g:
                self.assertEqual(g.send(None), 1)
                g.close()
                with self.assertRaisesRegex(RuntimeError, 'cannot reuse'):
                    self.assertEqual(g.send(None), 1)

        def test4(anext):
            @types.coroutine