--- /dev/null
+/* SPDX-License-Identifier: LGPL-2.1+ */
+
+#include "tests.h"
+#include "umask-util.h"
+
+int main(int argc, char *argv[]) {
+ size_t n;
+ mode_t u;
+
+ test_setup_logging(LOG_DEBUG);
+
+ u = umask(0111);
+
+ n = 0;
+ RUN_WITH_UMASK(0123) {
+ assert_se(umask(000) == 0123);
+ n++;
+ }
+
+ assert_se(n == 1);
+ assert_se(umask(u) == 0111);
+
+ RUN_WITH_UMASK(0135) {
+ assert_se(umask(000) == 0135);
+ n++;
+ }
+
+ assert_se(n == 2);
+ assert_se(umask(0111) == u);
+
+ RUN_WITH_UMASK(0315) {
+ assert_se(umask(000) == 0315);
+ n++;
+ break;
+ }
+
+ assert_se(n == 3);
+ assert_se(umask(u) == 0111);
+
+ return EXIT_SUCCESS;
+}