1 files changed, 41 insertions, 0 deletions
diff --git a/src/test/test-umask-util.c b/src/test/test-umask-util.c
new file mode 100644
index 0000000..df3ae98
--- /dev/null
+++ b/src/test/test-umask-util.c
@@ -0,0 +1,41 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
+#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;
+}