● 针对以下,对于变量 c 的取值,至少需要(61)个测试用例才能够满足语句覆盖的要求。 c = ((u8_t *)q->payload)[i] switch (c) { case SLIP_END: sio_send(SLIP_ESC, netif->state) sio_send(SLIP_ESC_END, netif->state) break case SLIP_ESC: sio_send(SLIP_ESC, netif->state) sio_send(SLIP_ESC_ESC, netif->state) break default: sio_send(c, netif->state) break } (61)