Method test_func_10

Lib/test/test_coroutines.py:684–724

(self)

            support.gc_collect()

    def test_func_10(self):
        N = 0

        @types.coroutine
        def gen():
            nonlocal N
            try:
                a = yield
                yield (a ** 2)
            except ZeroDivisionError:
                N += 100
                raise
            finally:
                N += 1

        async def foo():
            await gen()

        coro = foo()
        aw = coro.__await__()
        self.assertIs(aw, iter(aw))
        next(aw)
        self.assertEqual(aw.send(10), 100)

        self.assertEqual(N, 0)
        aw.close()
        self.assertEqual(N, 1)

        coro = foo()
        aw = coro.__await__()
        next(aw)
        with self.assertRaises(ZeroDivisionError):
            aw.throw(ZeroDivisionError())
        self.assertEqual(N, 102)

        coro = foo()
        aw = coro.__await__()
        next(aw)
        with self.assertRaises(ZeroDivisionError):
            with self.assertWarns(DeprecationWarning):
                aw.throw(ZeroDivisionError, ZeroDivisionError(), None)

    def test_func_11(self):
        async def func(): pass