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New tests for event_base_foreach_event()

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Our dump-events code had exercised this a bit, but only via the
nonlocking backend. Also, nothing was checking the "Search for a
specific event" code.
This commit is contained in:
Nick Mathewson 2013-04-26 13:50:22 -04:00
parent a153874d18
commit 0b096efee5
1 changed files with 82 additions and 0 deletions
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82
test/regress.c
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@ -2635,6 +2635,86 @@ end:
;
}
struct foreach_helper {
int count;
const struct event *ev;
};
static int
foreach_count_cb(const struct event_base *base, const struct event *ev, void *arg)
{
struct foreach_helper *h = event_get_callback_arg(ev);
struct timeval *tv = arg;
tt_ptr_op(event_get_base(ev), ==, base);
tt_int_op(tv->tv_sec, ==, 10);
h->ev = ev;
h->count++;
return 0;
end:
return -1;
}
static int
foreach_find_cb(const struct event_base *base, const struct event *ev, void *arg)
{
const struct event **ev_out = arg;
struct foreach_helper *h = event_get_callback_arg(ev);
if (h->count == 99) {
*ev_out = ev;
return 101;
}
return 0;
}
static void
test_event_foreach(void *arg)
{
struct basic_test_data *data = arg;
struct event_base *base = data->base;
struct event *ev[5];
struct foreach_helper visited[5];
int i;
struct timeval ten_sec = {10,0};
const struct event *ev_found = NULL;
tt_int_op(-1, ==, event_base_foreach_event(NULL, foreach_count_cb, NULL));
tt_int_op(-1, ==, event_base_foreach_event(base, NULL, NULL));
for (i = 0; i < 5; ++i) {
visited[i].count = 0;
visited[i].ev = NULL;
ev[i] = event_new(base, -1, 0, timeout_cb, &visited[i]);
}
event_add(ev[0], &ten_sec);
event_add(ev[1], &ten_sec);
event_active(ev[1], EV_TIMEOUT, 1);
event_active(ev[2], EV_TIMEOUT, 1);
event_add(ev[3], &ten_sec);
/* Don't touch ev[4]. */
tt_int_op(0, ==, event_base_foreach_event(base, foreach_count_cb,
&ten_sec));
tt_int_op(1, ==, visited[0].count);
tt_int_op(1, ==, visited[1].count);
tt_int_op(1, ==, visited[2].count);
tt_int_op(1, ==, visited[3].count);
tt_ptr_op(ev[0], ==, visited[0].ev);
tt_ptr_op(ev[1], ==, visited[1].ev);
tt_ptr_op(ev[2], ==, visited[2].ev);
tt_ptr_op(ev[3], ==, visited[3].ev);
visited[2].count = 99;
tt_int_op(101, ==, event_base_foreach_event(base, foreach_find_cb,
&ev_found));
tt_ptr_op(ev_found, ==, ev[2]);
end:
for (i=0; i<5; ++i) {
event_free(ev[i]);
}
}
struct testcase_t main_testcases[] = {
/* Some converted-over tests */
{ "methods", test_methods, TT_FORK, NULL, NULL },
@ -2693,6 +2773,8 @@ struct testcase_t main_testcases[] = {
{ "struct_event_size", test_struct_event_size, 0, NULL, NULL },
BASIC(event_foreach, TT_FORK|TT_NEED_BASE),
#ifndef _WIN32
LEGACY(fork, TT_ISOLATED),
#endif