assertThrows(RuntimeException.class, () -> {
            smb.readString(buffer, 0, 10, false);
        });
    }

    @Test
    void testEncodeDecode() {
        // Setup SMB with some data
        smb.command = ServerMessageBlock.SMB_COM_ECHO;
        smb.mid = 123;
        smb.pid = 456;
        smb.tid = 789;
        smb.uid = 101;