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dhcp: adapt unit test to ignoring packets without END

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This commit is contained in:
Simon Goldschmidt 2018-07-03 20:47:49 +02:00
parent 9b638e7c05
commit eeee2b1c55
1 changed files with 17 additions and 7 deletions
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22
test/unit/dhcp/test_dhcp.c
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@ -875,6 +875,9 @@ START_TEST(test_dhcp_nak_no_endmarker)
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
};
u32_t xid;
struct dhcp* dhcp;
u8_t tries;
u16_t request_timeout;
LWIP_UNUSED_ARG(_i);
tcase = TEST_LWIP_DHCP_NAK_NO_ENDMARKER;
@ -889,9 +892,10 @@ START_TEST(test_dhcp_nak_no_endmarker)
netif_set_up(&net_test);
dhcp_start(&net_test);
dhcp = netif_dhcp_data(&net_test);
fail_unless(txpacket == 1); /* DHCP discover sent */
xid = netif_dhcp_data(&net_test)->xid; /* Write bad xid, not using htonl! */
xid = dhcp->xid; /* Write bad xid, not using htonl! */
memcpy(&dhcp_offer[46], &xid, 4);
send_pkt(&net_test, dhcp_offer, sizeof(dhcp_offer));
@ -901,19 +905,25 @@ START_TEST(test_dhcp_nak_no_endmarker)
fail_if(memcmp(&gw, &net_test.gw, sizeof(ip4_addr_t)));
fail_unless(txpacket == 1); /* Nothing more sent */
xid = htonl(netif_dhcp_data(&net_test)->xid);
xid = htonl(dhcp->xid);
memcpy(&dhcp_offer[46], &xid, 4); /* insert correct transaction id */
send_pkt(&net_test, dhcp_offer, sizeof(dhcp_offer));
fail_unless(netif_dhcp_data(&net_test)->state == DHCP_STATE_REQUESTING);
fail_unless(dhcp->state == DHCP_STATE_REQUESTING);
fail_unless(txpacket == 2); /* No more sent */
xid = htonl(netif_dhcp_data(&net_test)->xid); /* xid updated */
xid = htonl(dhcp->xid); /* xid updated */
memcpy(&dhcp_nack_no_endmarker[46], &xid, 4); /* insert transaction id */
tries = dhcp->tries;
request_timeout = dhcp->request_timeout;
send_pkt(&net_test, dhcp_nack_no_endmarker, sizeof(dhcp_nack_no_endmarker));
/* NAK should put us in another state for a while, no other way detecting it */
fail_unless(netif_dhcp_data(&net_test)->state != DHCP_STATE_REQUESTING);
/* NAK should be ignored */
fail_unless(dhcp->state == DHCP_STATE_REQUESTING);
fail_unless(txpacket == 2); /* No more sent */
fail_unless(xid == htonl(dhcp->xid));
fail_unless(tries == dhcp->tries);
fail_unless(request_timeout == dhcp->request_timeout);
tcase = TEST_NONE;
dhcp_stop(&net_test);