1 files changed, 22 insertions, 0 deletions
diff --git a/src/nspawn/test-nspawn-util.c b/src/nspawn/test-nspawn-util.c
new file mode 100644
index 0000000..08c8050
--- /dev/null
+++ b/src/nspawn/test-nspawn-util.c
@@ -0,0 +1,22 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
+#include "nspawn-util.h"
+#include "string-util.h"
+#include "strv.h"
+#include "tests.h"
+
+TEST(systemd_installation_has_version) {
+        int r;
+
+        FOREACH_STRING(version, "0", "231", STRINGIFY(PROJECT_VERSION), "999") {
+                r = systemd_installation_has_version(saved_argv[1], version);
+                assert_se(r >= 0);
+                log_info("%s has systemd >= %s: %s",
+                         saved_argv[1] ?: "Current installation", version, yes_no(r));
+        }
+}
+
+/* This program can be called with a path to an installation root.
+ * For example: build/test-nspawn-util /var/lib/machines/rawhide
+ */
+DEFINE_TEST_MAIN(LOG_DEBUG);