+ check_p_g_u_u("/user/lennart/2/systemd-21548/foobar@.service/foobar@pie.service/pa/po", 0, "foobar@pie.service");
+}
+
+static void test_get_paths(void) {
+ _cleanup_free_ char *a = NULL, *b = NULL, *c = NULL, *d = NULL;
+
+ assert_se(cg_get_root_path(&a) >= 0);
+ log_info("Root = %s", a);
+
+ assert_se(cg_get_system_path(&b) >= 0);
+ log_info("System = %s", b);
+
+ assert_se(cg_get_user_path(&c) >= 0);
+ log_info("User = %s", c);
+
+ assert_se(cg_get_machine_path("harley", &d) >= 0);
+ log_info("Machine = %s", d);
+}
+
+static void test_proc(void) {
+ _cleanup_closedir_ DIR *d = NULL;
+ struct dirent *de;
+ int r;
+
+ d = opendir("/proc");
+ assert_se(d);
+
+ FOREACH_DIRENT(de, d, break) {
+ _cleanup_free_ char *path = NULL, *path_shifted = NULL, *session = NULL, *unit = NULL, *user_unit = NULL, *machine = NULL, *prefix = NULL;
+ pid_t pid;
+ uid_t uid = (uid_t) -1;
+
+ if (de->d_type != DT_DIR &&
+ de->d_type != DT_UNKNOWN)
+ continue;
+
+ r = parse_pid(de->d_name, &pid);
+ if (r < 0)
+ continue;
+
+ if (is_kernel_thread(pid))
+ continue;
+
+ cg_pid_get_path(SYSTEMD_CGROUP_CONTROLLER, pid, &path);
+ cg_pid_get_path_shifted(pid, &prefix, &path_shifted);
+ cg_pid_get_owner_uid(pid, &uid);
+ cg_pid_get_session(pid, &session);
+ cg_pid_get_unit(pid, &unit);
+ cg_pid_get_user_unit(pid, &user_unit);
+ cg_pid_get_machine_name(pid, &machine);
+
+ printf("%lu\t%s\t%s\t%s\t%lu\t%s\t%s\t%s\t%s\n",
+ (unsigned long) pid,
+ path,
+ prefix,
+ path_shifted,
+ (unsigned long) uid,
+ session,
+ unit,
+ user_unit,
+ machine);
+ }
+}
+
+static void test_escape_one(const char *s, const char *r) {
+ _cleanup_free_ char *b;
+
+ b = cg_escape(s);
+ assert_se(b);
+ assert_se(streq(b, r));
+
+ assert_se(streq(cg_unescape(b), s));
+}
+
+static void test_escape(void) {
+ test_escape_one("foobar", "foobar");
+ test_escape_one(".foobar", "_.foobar");
+ test_escape_one("foobar.service", "foobar.service");
+ test_escape_one("cgroup.service", "_cgroup.service");
+ test_escape_one("cpu.service", "_cpu.service");
+ test_escape_one("tasks", "_tasks");
+ test_escape_one("_foobar", "__foobar");
+ test_escape_one("", "_");
+ test_escape_one("_", "__");
+ test_escape_one(".", "_.");
+}
+
+static void test_controller_is_valid(void) {
+ assert_se(cg_controller_is_valid("foobar", false));
+ assert_se(cg_controller_is_valid("foo_bar", false));
+ assert_se(cg_controller_is_valid("name=foo", true));
+ assert_se(!cg_controller_is_valid("", false));
+ assert_se(!cg_controller_is_valid("name=", true));
+ assert_se(!cg_controller_is_valid("=", false));
+ assert_se(!cg_controller_is_valid("cpu,cpuacct", false));
+ assert_se(!cg_controller_is_valid("_", false));
+ assert_se(!cg_controller_is_valid("_foobar", false));
+ assert_se(!cg_controller_is_valid("tatü", false));
+}
+
+static void test_slice_to_path_one(const char *unit, const char *path, int error) {
+ _cleanup_free_ char *ret = NULL;
+
+ assert_se(cg_slice_to_path(unit, &ret) == error);
+ assert_se(streq_ptr(ret, path));
+}
+
+static void test_slice_to_path(void) {
+
+ test_slice_to_path_one("foobar.slice", "foobar.slice", 0);
+ test_slice_to_path_one("foobar-waldo.slice", "foobar.slice/foobar-waldo.slice", 0);
+ test_slice_to_path_one("foobar-waldo.service", NULL, -EINVAL);
+ test_slice_to_path_one("-.slice", NULL, -EINVAL);
+ test_slice_to_path_one("-foo-.slice", NULL, -EINVAL);
+ test_slice_to_path_one("-foo.slice", NULL, -EINVAL);
+ test_slice_to_path_one("a-b.slice", "a.slice/a-b.slice", 0);
+ test_slice_to_path_one("a-b-c-d-e.slice", "a.slice/a-b.slice/a-b-c.slice/a-b-c-d.slice/a-b-c-d-e.slice", 0);