1 files changed, 41 insertions, 0 deletions
diff --git a/src/test/test-raw-clone.c b/src/test/test-raw-clone.c
new file mode 100644
index 0000000..23ec7d1
--- /dev/null
+++ b/src/test/test-raw-clone.c
@@ -0,0 +1,41 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
+#include <sys/wait.h>
+#include <unistd.h>
+
+#include "errno-util.h"
+#include "format-util.h"
+#include "missing_syscall.h"
+#include "raw-clone.h"
+#include "tests.h"
+
+TEST(raw_clone) {
+        pid_t parent, pid, pid2;
+
+        parent = getpid();
+        log_info("before clone: getpid()→"PID_FMT, parent);
+        assert_se(raw_getpid() == parent);
+
+        pid = raw_clone(0);
+        assert_se(pid >= 0);
+
+        pid2 = raw_getpid();
+        log_info("raw_clone: "PID_FMT" getpid()→"PID_FMT" raw_getpid()→"PID_FMT,
+                 pid, getpid(), pid2);
+        if (pid == 0) {
+                assert_se(pid2 != parent);
+                _exit(EXIT_SUCCESS);
+        } else {
+                int status;
+
+                assert_se(pid2 == parent);
+                waitpid(pid, &status, __WCLONE);
+                assert_se(WIFEXITED(status) && WEXITSTATUS(status) == EXIT_SUCCESS);
+        }
+
+        errno = 0;
+        assert_se(raw_clone(CLONE_FS|CLONE_NEWNS) == -1);
+        assert_se(errno == EINVAL || ERRNO_IS_PRIVILEGE(errno)); /* Certain container environments prohibit namespaces to us, don't fail in that case */
+}
+
+DEFINE_TEST_MAIN(LOG_INFO);