commit 6af471f3944a91646db8b7ea0a915ed2f87cd705 Author: rl1987 rl1987@sdf.lonestar.org Date: Sun Feb 22 17:04:22 2015 +0200

Rework the black box test, like Yawning and nickm suggested. --- src/test/test_address.c | 53 +++++++++++++++++++++++++++-------------------- 1 file changed, 31 insertions(+), 22 deletions(-)

diff --git a/src/test/test_address.c b/src/test/test_address.c index 57bd70c..a2193e1 100644 --- a/src/test/test_address.c +++ b/src/test/test_address.c @@ -473,42 +473,51 @@ smartlist_contain_tor_addr(smartlist_t *smartlist, tor_addr_t *tor_addr) static void test_address_udp_socket_trick_blackbox(void *arg) { - smartlist_t *all_addrs; - tor_addr_t *addr4; - tor_addr_t *addr6; - int retval; + /* We want get_interface_address6_via_udp_socket_hack() to yield + * the same valid address that get_interface_address6() returns. + * If the latter is unable to find a valid address, we want + * _hack() to fail and return-1. + * + * Furthermore, we want _hack() never to crash, even if + * get_interface_addresses_raw() is returning NULL. + */ + + tor_addr_t addr4; + tor_addr_t addr4_to_check; + tor_addr_t addr6; + tor_addr_t addr6_to_check; + int retval, retval_reference;

(void)arg;

- addr4 = tor_malloc(sizeof(tor_addr_t)); - addr6 = tor_malloc(sizeof(tor_addr_t)); - - all_addrs = get_interface_addresses_raw(LOG_DEBUG); + retval_reference = get_interface_address6(LOG_DEBUG,AF_INET,&addr4); retval = get_interface_address6_via_udp_socket_hack(LOG_DEBUG, - AF_INET,addr4); - - tt_assert(all_addrs); - tt_assert(retval == 0); + AF_INET, + &addr4_to_check);

- tt_assert(smartlist_contain_tor_addr(all_addrs,addr4)); + tt_int_op(retval,==,retval_reference); + tt_assert( (retval == -1 && retval_reference == -1) || + (tor_addr_compare(&addr4,&addr4_to_check,CMP_EXACT) == 0) );

-#if 0 + retval_reference = get_interface_address6(LOG_DEBUG,AF_INET6,&addr6); retval = get_interface_address6_via_udp_socket_hack(LOG_DEBUG, - AF_INET6,addr6); + AF_INET6, + &addr6_to_check);

- tt_assert(smartlist_contain_tor_addr(all_addrs,addr6)); -#endif + tt_int_op(retval,==,retval_reference); + tt_assert( (retval == -1 && retval_reference == -1) || + (tor_addr_compare(&addr6,&addr6_to_check,CMP_EXACT) == 0) ); + + /* When family is neither AF_INET nor AF_INET6, we want _hack to + * fail and return -1. + */

retval = get_interface_address6_via_udp_socket_hack(LOG_DEBUG, - AF_CCITT,addr4); + AF_CCITT,&addr4);

tt_assert(retval == -1);

done: - tor_free(addr4); - tor_free(addr6); - SMARTLIST_FOREACH(all_addrs, tor_addr_t *, t, tor_free(t)); - smartlist_free(all_addrs); return; }