Method test_func_16

Lib/test/test_coroutines.py:789–818

(self)

            reader(spammer_coro).send(None)

    def test_func_16(self):
        # See http://bugs.python.org/issue25887 for details

        @types.coroutine
        def nop():
            yield
        async def send():
            await nop()
            return 'spam'
        async def read(coro):
            await nop()
            return await coro

        spammer = send()

        reader = read(spammer)
        reader.send(None)
        reader.send(None)
        with self.assertRaisesRegex(Exception, 'ham'):
            reader.throw(Exception('ham'))

        reader = read(spammer)
        reader.send(None)
        with self.assertRaisesRegex(RuntimeError,
                                    'cannot reuse already awaited coroutine'):
            reader.send(None)

        with self.assertRaisesRegex(RuntimeError,
                                    'cannot reuse already awaited coroutine'):
            reader.throw(Exception('wat'))

    def test_func_17(self):
        # See http://bugs.python.org/issue25887 for details