1 files changed, 81 insertions, 0 deletions
diff --git a/src/test/test-sched-prio.c b/src/test/test-sched-prio.c
new file mode 100644
index 0000000..721c4b6
--- /dev/null
+++ b/src/test/test-sched-prio.c
@@ -0,0 +1,81 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+/***
+  Copyright © 2012 Holger Hans Peter Freyther
+***/
+
+#include <sched.h>
+
+#include "all-units.h"
+#include "macro.h"
+#include "manager.h"
+#include "rm-rf.h"
+#include "tests.h"
+
+int main(int argc, char *argv[]) {
+        _cleanup_(rm_rf_physical_and_freep) char *runtime_dir = NULL;
+        _cleanup_(manager_freep) Manager *m = NULL;
+        Unit *idle_ok, *idle_bad, *rr_ok, *rr_bad, *rr_sched;
+        Service *ser;
+        int r;
+
+        test_setup_logging(LOG_INFO);
+
+        r = enter_cgroup_subroot(NULL);
+        if (r == -ENOMEDIUM)
+                return log_tests_skipped("cgroupfs not available");
+
+        /* prepare the test */
+        _cleanup_free_ char *unit_dir = NULL;
+        assert_se(get_testdata_dir("units", &unit_dir) >= 0);
+        assert_se(set_unit_path(unit_dir) >= 0);
+        assert_se(runtime_dir = setup_fake_runtime_dir());
+
+        r = manager_new(LOOKUP_SCOPE_USER, MANAGER_TEST_RUN_BASIC, &m);
+        if (manager_errno_skip_test(r))
+                return log_tests_skipped_errno(r, "manager_new");
+        assert_se(r >= 0);
+        assert_se(manager_startup(m, NULL, NULL, NULL) >= 0);
+
+        /* load idle ok */
+        assert_se(manager_load_startable_unit_or_warn(m, "sched_idle_ok.service", NULL, &idle_ok) >= 0);
+        ser = SERVICE(idle_ok);
+        assert_se(ser->exec_context.cpu_sched_policy == SCHED_OTHER);
+        assert_se(ser->exec_context.cpu_sched_priority == 0);
+
+        /*
+         * load idle bad. This should print a warning but we have no way to look at it.
+         */
+        assert_se(manager_load_startable_unit_or_warn(m, "sched_idle_bad.service", NULL, &idle_bad) >= 0);
+        ser = SERVICE(idle_ok);
+        assert_se(ser->exec_context.cpu_sched_policy == SCHED_OTHER);
+        assert_se(ser->exec_context.cpu_sched_priority == 0);
+
+        /*
+         * load rr ok.
+         * Test that the default priority is moving from 0 to 1.
+         */
+        assert_se(manager_load_startable_unit_or_warn(m, "sched_rr_ok.service", NULL, &rr_ok) >= 0);
+        ser = SERVICE(rr_ok);
+        assert_se(ser->exec_context.cpu_sched_policy == SCHED_RR);
+        assert_se(ser->exec_context.cpu_sched_priority == 1);
+
+        /*
+         * load rr bad.
+         * Test that the value of 0 and 100 is ignored.
+         */
+        assert_se(manager_load_startable_unit_or_warn(m, "sched_rr_bad.service", NULL, &rr_bad) >= 0);
+        ser = SERVICE(rr_bad);
+        assert_se(ser->exec_context.cpu_sched_policy == SCHED_RR);
+        assert_se(ser->exec_context.cpu_sched_priority == 1);
+
+        /*
+         * load rr change.
+         * Test that anything between 1 and 99 can be set.
+         */
+        assert_se(manager_load_startable_unit_or_warn(m, "sched_rr_change.service", NULL, &rr_sched) >= 0);
+        ser = SERVICE(rr_sched);
+        assert_se(ser->exec_context.cpu_sched_policy == SCHED_RR);
+        assert_se(ser->exec_context.cpu_sched_priority == 99);
+
+        return EXIT_SUCCESS;
+}