test_asyncore.py 文件源码

def test_send(self):
        d1 = b"Come again?"
        d2 = b"I want to buy some cheese."
        fd = os.open(TESTFN, os.O_WRONLY | os.O_APPEND)
        w = asyncore.file_wrapper(fd)
        os.close(fd)

        w.write(d1)
        w.send(d2)
        w.close()
        with open(TESTFN, 'rb') as file:
            self.assertEqual(file.read(), self.d + d1 + d2)