test_socket.py 文件源码

def test_unusable_closed_socketio(self):
        with socket.socket() as sock:
            fp = sock.makefile("rb", buffering=0)
            self.assertTrue(fp.readable())
            self.assertFalse(fp.writable())
            self.assertFalse(fp.seekable())
            fp.close()
            self.assertRaises(ValueError, fp.readable)
            self.assertRaises(ValueError, fp.writable)
            self.assertRaises(ValueError, fp.seekable)