+static void test_u64log2(void) {
+ assert(u64log2(0) == 0);
+ assert(u64log2(8) == 3);
+ assert(u64log2(9) == 3);
+ assert(u64log2(15) == 3);
+ assert(u64log2(16) == 4);
+ assert(u64log2(1024*1024) == 20);
+ assert(u64log2(1024*1024+5) == 20);
+}
+
+static void test_get_process_comm(void) {
+ _cleanup_free_ char *a = NULL, *c = NULL, *d = NULL, *f = NULL, *i = NULL;
+ unsigned long long b;
+ pid_t e;
+ uid_t u;
+ gid_t g;
+ dev_t h;
+ int r;
+
+ assert_se(get_process_comm(1, &a) >= 0);
+ log_info("pid1 comm: '%s'", a);
+
+ assert_se(get_starttime_of_pid(1, &b) >= 0);
+ log_info("pid1 starttime: '%llu'", b);
+
+ assert_se(get_process_cmdline(1, 0, true, &c) >= 0);
+ log_info("pid1 cmdline: '%s'", c);
+
+ assert_se(get_process_cmdline(1, 8, false, &d) >= 0);
+ log_info("pid1 cmdline truncated: '%s'", d);
+
+ assert_se(get_parent_of_pid(1, &e) >= 0);
+ log_info("pid1 ppid: '%llu'", (unsigned long long) e);
+ assert_se(e == 0);
+
+ assert_se(is_kernel_thread(1) == 0);
+
+ r = get_process_exe(1, &f);
+ assert_se(r >= 0 || r == -EACCES);
+ log_info("pid1 exe: '%s'", strna(f));
+
+ assert_se(get_process_uid(1, &u) == 0);
+ log_info("pid1 uid: '%llu'", (unsigned long long) u);
+ assert_se(u == 0);
+
+ assert_se(get_process_gid(1, &g) == 0);
+ log_info("pid1 gid: '%llu'", (unsigned long long) g);
+ assert_se(g == 0);
+
+ assert(get_ctty_devnr(1, &h) == -ENOENT);
+
+ getenv_for_pid(1, "PATH", &i);
+ log_info("pid1 $PATH: '%s'", strna(i));
+}
+
+static void test_protect_errno(void) {
+ errno = 12;
+ {
+ PROTECT_ERRNO;
+ errno = 11;
+ }
+ assert(errno == 12);
+}
+
+static void test_parse_bytes(void) {
+ off_t bytes;
+
+ assert_se(parse_bytes("111", &bytes) == 0);
+ assert_se(bytes == 111);
+
+ assert_se(parse_bytes(" 112 B", &bytes) == 0);
+ assert_se(bytes == 112);
+
+ assert_se(parse_bytes("3 K", &bytes) == 0);
+ assert_se(bytes == 3*1024);
+
+ assert_se(parse_bytes(" 4 M 11K", &bytes) == 0);
+ assert_se(bytes == 4*1024*1024 + 11 * 1024);
+
+ assert_se(parse_bytes("3B3G", &bytes) == 0);
+ assert_se(bytes == 3ULL*1024*1024*1024 + 3);
+
+ assert_se(parse_bytes("3B3G4T", &bytes) == 0);
+ assert_se(bytes == (4ULL*1024 + 3)*1024*1024*1024 + 3);
+
+ assert_se(parse_bytes("12P", &bytes) == 0);
+ assert_se(bytes == 12ULL * 1024*1024*1024*1024*1024);
+
+ assert_se(parse_bytes("3E 2P", &bytes) == 0);
+ assert_se(bytes == (3 * 1024 + 2ULL) * 1024*1024*1024*1024*1024);
+
+ assert_se(parse_bytes("12X", &bytes) == -EINVAL);
+
+ assert_se(parse_bytes("1024E", &bytes) == -ERANGE);
+ assert_se(parse_bytes("-1", &bytes) == -ERANGE);
+ assert_se(parse_bytes("-1024E", &bytes) == -ERANGE);
+
+ assert_se(parse_bytes("-1024P", &bytes) == -ERANGE);
+
+ assert_se(parse_bytes("-10B 20K", &bytes) == -ERANGE);
+}
+