test_socket.py 文件源码

def testClose(self):
        conn, addr = self.serv.accept()
        conn.close()

        sd = self.cli
        read, write, err = select.select([sd], [], [], 1.0)
        self.assertEqual(read, [sd])
        self.assertEqual(sd.recv(1), b'')

        # Calling close() many times should be safe.
        conn.close()
        conn.close()