dthreads: add simple check that dt_online_cpus() returns a reasonable value

diff --git a/tests/knot/test_dthreads.c b/tests/knot/test_dthreads.c
index c2c9da2c0524374ebce127dae346408c78d9b15f..3bdfa3a71893811e65aa2ee839a127c15a685e1b 100644 (file)
--- a/tests/knot/test_dthreads.c
+++ b/tests/knot/test_dthreads.c
@@ -1,4 +1,4 @@
-/*  Copyright (C) 2011 CZ.NIC, z.s.p.o. <knot-dns@labs.nic.cz>
+/*  Copyright (C) 2021 CZ.NIC, z.s.p.o. <knot-dns@labs.nic.cz>
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
@@ -71,7 +71,10 @@ static void interrupt_handle(int s)
 /*! API: run tests. */
 int main(int argc, char *argv[])
 {
-       plan(8);
+       plan_lazy();
+
+       int cpus = dt_online_cpus();
+       ok(cpus > 0, "dthread: online cpus is positive value");
 
        // Register service and signal handler
        struct sigaction sa;