diff --git a/tests/active.c b/tests/active.c
index 63c9033..f464f34 100644
--- a/tests/active.c
+++ b/tests/active.c
@@ -52,3 +52,10 @@ int main(void)
 
 	return uev_run(&ctx, 0);
 }
+
+/**
+ * Local Variables:
+ *  indent-tabs-mode: t
+ *  c-file-style: "linux"
+ * End:
+ */
diff --git a/tests/cronrun.c b/tests/cronrun.c
index 668fbef..855efd3 100644
--- a/tests/cronrun.c
+++ b/tests/cronrun.c
@@ -28,6 +28,7 @@
 #define TIMEOUT  2
 #define INTERVAL 2
 
+int result = -1;
 struct timeval tv;
 
 static void cron_job(uev_t *w, void *UNUSED(arg), int events)
@@ -45,12 +46,15 @@ static void cron_job(uev_t *w, void *UNUSED(arg), int events)
 	printf("Cron job HELO %s", ctime(&now.tv_sec));
 	fail_unless(now.tv_sec == tv.tv_sec);
 
-	if (!laps--)
+	if (!laps--) {
+		result = 0;
 		uev_exit(w->ctx);
+	}
 }
 
 int main(void)
 {
+	int rc;
 	uev_t cron_watcher;
 	uev_ctx_t ctx;
 	time_t when, interval;
@@ -66,7 +70,10 @@ int main(void)
 	interval = INTERVAL;
 	uev_cron_init(&ctx, &cron_watcher, cron_job, NULL, when, interval);
 
-	return uev_run(&ctx, 0);
+	rc = uev_run(&ctx, 0);
+	fail_unless(result == 0);
+
+	return rc;
 }
 
 /**
diff --git a/tests/timer.c b/tests/timer.c
index 79d06cc..b287ea8 100644
--- a/tests/timer.c
+++ b/tests/timer.c
@@ -3,6 +3,8 @@
 #include <sys/time.h>
 
 #define TIMEOUT 2		/* 2 sec */
+
+int result = -1;
 struct timeval start;
 
 static void cb(uev_t *w, void *UNUSED(arg), int events)
@@ -15,11 +17,13 @@ static void cb(uev_t *w, void *UNUSED(arg), int events)
 	gettimeofday(&now, NULL);
 	fail_unless(now.tv_sec == start.tv_sec + TIMEOUT);
 
+	result = 0;
 	uev_exit(w->ctx);
 }
 
 int main(void)
 {
+	int rc;
 	uev_t w;
 	uev_ctx_t ctx;
 
@@ -27,5 +31,15 @@ int main(void)
 	uev_timer_init(&ctx, &w, cb, NULL, TIMEOUT * 1000, 0);
 	gettimeofday(&start, NULL);
 
-	return uev_run(&ctx, 0);
+	rc = uev_run(&ctx, 0);
+	fail_unless(result == 0);
+
+	return rc;
 }
+
+/**
+ * Local Variables:
+ *  indent-tabs-mode: t
+ *  c-file-style: "linux"
+ * End:
+ */