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-rw-r--r--src/test/test-rlimit-util.c69
1 files changed, 69 insertions, 0 deletions
diff --git a/src/test/test-rlimit-util.c b/src/test/test-rlimit-util.c
new file mode 100644
index 0000000000..00d3ecc0de
--- /dev/null
+++ b/src/test/test-rlimit-util.c
@@ -0,0 +1,69 @@
+/***
+ This file is part of systemd
+
+ systemd is free software; you can redistribute it and/or modify it
+ under the terms of the GNU Lesser General Public License as published by
+ the Free Software Foundation; either version 2.1 of the License, or
+ (at your option) any later version.
+
+ systemd is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#include <sys/resource.h>
+
+#include "capability-util.h"
+#include "macro.h"
+#include "rlimit-util.h"
+#include "string-util.h"
+#include "util.h"
+
+int main(int argc, char *argv[]) {
+ struct rlimit old, new, high;
+ struct rlimit err = {
+ .rlim_cur = 10,
+ .rlim_max = 5,
+ };
+
+ log_parse_environment();
+ log_open();
+
+ assert_se(drop_capability(CAP_SYS_RESOURCE) == 0);
+
+ assert_se(getrlimit(RLIMIT_NOFILE, &old) == 0);
+ new.rlim_cur = MIN(5U, old.rlim_max);
+ new.rlim_max = MIN(10U, old.rlim_max);
+ assert_se(setrlimit(RLIMIT_NOFILE, &new) >= 0);
+
+ assert_se(rlimit_from_string("LimitNOFILE") == RLIMIT_NOFILE);
+ assert_se(rlimit_from_string("DefaultLimitNOFILE") == -1);
+
+ assert_se(streq_ptr(rlimit_to_string(RLIMIT_NOFILE), "LimitNOFILE"));
+ assert_se(rlimit_to_string(-1) == NULL);
+
+ assert_se(getrlimit(RLIMIT_NOFILE, &old) == 0);
+ assert_se(setrlimit_closest(RLIMIT_NOFILE, &old) == 0);
+ assert_se(getrlimit(RLIMIT_NOFILE, &new) == 0);
+ assert_se(old.rlim_cur == new.rlim_cur);
+ assert_se(old.rlim_max == new.rlim_max);
+
+ assert_se(getrlimit(RLIMIT_NOFILE, &old) == 0);
+ high = RLIMIT_MAKE_CONST(old.rlim_max + 1);
+ assert_se(setrlimit_closest(RLIMIT_NOFILE, &high) == 0);
+ assert_se(getrlimit(RLIMIT_NOFILE, &new) == 0);
+ assert_se(new.rlim_max == old.rlim_max);
+ assert_se(new.rlim_cur == new.rlim_max);
+
+ assert_se(getrlimit(RLIMIT_NOFILE, &old) == 0);
+ assert_se(setrlimit_closest(RLIMIT_NOFILE, &err) == -EINVAL);
+ assert_se(getrlimit(RLIMIT_NOFILE, &new) == 0);
+ assert_se(old.rlim_cur == new.rlim_cur);
+ assert_se(old.rlim_max == new.rlim_max);
+
+ return 0;
+}