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tests: Add basic error handling to callbacks, for reference

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Many users look at both examples *and* unit tests to learn how to use a
library.  We should pride ourselves in that we have not just working but
also correct and readable tests.

Signed-off-by: Joachim Nilsson <troglobit@gmail.com>
This commit is contained in:
Joachim Nilsson committed 2017-11-14 12:17:41 +01:00
1 parent 9df7cbfc52
commit 505a7214a8
4 files changed
+29 -6
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tests/active.c
+4 -1
View File
@@ -12,8 +12,11 @@ uev_t timer3;
uev_t cron1;
uev_t cron2;
static void cb(uev_t *w, void *UNUSED(arg), int UNUSED(events))
static void cb(uev_t *w, void *UNUSED(arg), int events)
{
if (UEV_ERROR == events)
fprintf(stderr, "timer watcher failed, ignoring ...\n");
fail_unless(w == &timer1);
fail_unless(uev_timer_active(&timer2));
tests/complete.c
+17 -3
View File
@@ -33,15 +33,21 @@ static int in, out;
static int period = 0;
static uev_t *watchdog;
static void lifetime_cb(uev_t *w, void *arg, int UNUSED(events))
static void lifetime_cb(uev_t *w, void *arg, int events)
{
if (UEV_ERROR == events)
fprintf(stderr, "timer watcher failed, ignoring ...\n");
fprintf(stderr, "\nLifetime exceeded, program completed successfully! (arg:%p)\n", arg);
uev_exit(w->ctx);
}
/* The pipe watchdog, if it triggers we haven't received data in time. */
static void timeout_cb(uev_t *w, void *arg, int UNUSED(events))
static void timeout_cb(uev_t *w, void *arg, int events)
{
if (UEV_ERROR == events)
fprintf(stderr, "timer watcher failed, ignoring ...\n");
watchdog = NULL;
fprintf(stderr, "\nTimeout exceeded %p\n", arg);
@@ -54,8 +60,13 @@ static void periodic_task(uev_t UNUSED(*w), void UNUSED(*arg), int UNUSED(events
fprintf(stderr, "|");
}
static void signal_cb(uev_t *w, void *UNUSED(arg), int UNUSED(events))
static void signal_cb(uev_t *w, void *UNUSED(arg), int events)
{
if (UEV_ERROR == events) {
fprintf(stderr, "Signal watcher failed, unrecoverable error.\n");
return;
}
fprintf(stderr, w->signo == SIGINT ? "^Cv" : "^\v");
}
@@ -78,6 +89,9 @@ static void pipe_write_cb(uev_t *w, void *arg, int UNUSED(events))
my_t *my = arg;
char *msg = "TESTING";
if (UEV_ERROR == events)
fprintf(stderr, "timer watcher failed, ignoring ...\n");
if (write(out, msg, my->counter) < 0) {
perror("\nFailed writing to pipe");
return;
tests/cronrun.c
+4 -1
View File
@@ -30,11 +30,14 @@
struct timeval tv;
static void cron_job(uev_t *w, void *UNUSED(arg), int UNUSED(events))
static void cron_job(uev_t *w, void *UNUSED(arg), int events)
{
static int laps = 3;
struct timeval now;
if (UEV_ERROR == events)
fprintf(stderr, "cron watcher failed, ignoring ...\n");
/* Update timer every lap */
tv.tv_sec += TIMEOUT;
tests/timer.c
+4 -1
View File
@@ -5,10 +5,13 @@
#define TIMEOUT 2 /* 2 sec */
struct timeval start;
static void cb(uev_t *w, void *UNUSED(arg), int UNUSED(events))
static void cb(uev_t *w, void *UNUSED(arg), int events)
{
struct timeval now;
if (UEV_ERROR == events)
fprintf(stderr, "timer watcher failed, ignoring ...\n");
gettimeofday(&now, NULL);
fail_unless(now.tv_sec == start.tv_sec + TIMEOUT);