Method test_result

Lib/test/test_asyncio/test_futures.py:275–286

(self)

        self.assertFalse(f.cancel())

    def test_result(self):
        f = self._new_future(loop=self.loop)
        self.assertRaises(asyncio.InvalidStateError, f.result)

        f.set_result(42)
        self.assertFalse(f.cancelled())
        self.assertTrue(f.done())
        self.assertEqual(f.result(), 42)
        self.assertEqual(f.exception(), None)
        self.assertRaises(asyncio.InvalidStateError, f.set_result, None)
        self.assertRaises(asyncio.InvalidStateError, f.set_exception, None)
        self.assertFalse(f.cancel())

    def test_exception(self):
        exc = RuntimeError()