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Add a couple more evdns tests. Libevent is now, for me, at 80.02% coverage.

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svn:r1409
This commit is contained in:
Nick Mathewson 2009-08-03 20:50:56 +00:00
parent 94e8f9b901
commit 0c09fe5ada
1 changed files with 56 additions and 2 deletions
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58
test/regress_dns.c
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@ -713,8 +713,6 @@ dns_reissue_test(void *arg)
struct event_base *base = data->base;
struct evdns_server_port *port1 = NULL, *port2 = NULL;
struct evdns_base *dns = NULL;
int drop_count = 100;
struct generic_dns_callback_result r1;
port1 = get_generic_server(base, 53900, generic_dns_server_cb,
@ -758,6 +756,61 @@ end:
evdns_close_server_port(port2);
}
static void
dumb_bytes_fn(char *p, size_t n)
{
unsigned i;
/* This gets us 6 bits of entropy per transaction ID, which means we
* will have probably have collisions and need to pick again. */
for(i=0;i<n;++i)
p[i] = (char)(rand() & 7);
}
static void
dns_inflight_test(void *arg)
{
struct basic_test_data *data = arg;
struct event_base *base = data->base;
struct evdns_server_port *port = NULL;
struct evdns_base *dns = NULL;
struct generic_dns_callback_result r[20];
int i;
port = get_generic_server(base, 53900, generic_dns_server_cb,
reissue_table);
tt_assert(port);
/* Make sure that having another (very bad!) RNG doesn't mess us
* up. */
evdns_set_random_bytes_fn(dumb_bytes_fn);
dns = evdns_base_new(base, 0);
tt_assert(!evdns_base_nameserver_ip_add(dns, "127.0.0.1:53900"));
tt_assert(! evdns_base_set_option(dns, "max-inflight:", "3", DNS_OPTIONS_ALL));
tt_assert(! evdns_base_set_option(dns, "randomize-case:", "0", DNS_OPTIONS_ALL));
for(i=0;i<20;++i)
evdns_base_resolve_ipv4(dns, "foof.example.com", 0, generic_dns_callback, &r[i]);
n_replies_left = 20;
exit_base = base;
event_base_dispatch(base);
for (i=0;i<20;++i) {
tt_int_op(r[i].type, ==, DNS_IPv4_A);
tt_int_op(r[i].count, ==, 1);
tt_int_op(((ev_uint32_t*)r[i].addrs)[0], ==, htonl(0xf00ff00f));
}
end:
if (dns)
evdns_base_free(dns, 0);
if (port)
evdns_close_server_port(port);
}
#define DNS_LEGACY(name, flags) \
{ #name, run_legacy_test_fn, flags|TT_LEGACY, &legacy_setup, \
dns_##name }
@ -771,6 +824,7 @@ struct testcase_t dns_testcases[] = {
{ "search", dns_search_test, TT_FORK|TT_NEED_BASE, &basic_setup, NULL },
{ "retry", dns_retry_test, TT_FORK|TT_NEED_BASE, &basic_setup, NULL },
{ "reissue", dns_reissue_test, TT_FORK|TT_NEED_BASE, &basic_setup, NULL },
{ "inflight", dns_inflight_test, TT_FORK|TT_NEED_BASE, &basic_setup, NULL },
END_OF_TESTCASES
};