+}
+
+static void test_status_field(void) {
+ _cleanup_free_ char *t = NULL, *p = NULL, *s = NULL, *z = NULL;
+ unsigned long long total = 0, buffers = 0;
+ int r;
+
+ assert_se(get_status_field("/proc/self/status", "\nThreads:", &t) == 0);
+ puts(t);
+ assert_se(streq(t, "1"));
+
+ r = get_status_field("/proc/meminfo", "MemTotal:", &p);
+ if (r != -ENOENT) {
+ assert_se(r == 0);
+ puts(p);
+ assert_se(safe_atollu(p, &total) == 0);
+ }
+
+ r = get_status_field("/proc/meminfo", "\nBuffers:", &s);
+ if (r != -ENOENT) {
+ assert_se(r == 0);
+ puts(s);
+ assert_se(safe_atollu(s, &buffers) == 0);
+ }
+
+ if (p)
+ assert_se(buffers < total);
+
+ /* Seccomp should be a good test for field full of zeros. */
+ r = get_status_field("/proc/meminfo", "\nSeccomp:", &z);
+ if (r != -ENOENT) {
+ assert_se(r == 0);
+ puts(z);
+ assert_se(safe_atollu(z, &buffers) == 0);
+ }
+}
+
+static void test_capeff(void) {
+ int pid, p;
+
+ for (pid = 0; pid < 2; pid++) {
+ _cleanup_free_ char *capeff = NULL;
+ int r;
+
+ r = get_process_capeff(0, &capeff);
+ log_info("capeff: '%s' (r=%d)", capeff, r);
+
+ if (r == -ENOENT || r == -EPERM)
+ return;
+
+ assert_se(r == 0);
+ assert_se(*capeff);
+ p = capeff[strspn(capeff, DIGITS "abcdefABCDEF")];
+ assert_se(!p || isspace(p));
+ }
+}
+
+static void test_write_string_stream(void) {
+ char fn[] = "/tmp/test-write_string_stream-XXXXXX";
+ _cleanup_fclose_ FILE *f = NULL;
+ int fd;
+ char buf[64];
+
+ fd = mkostemp_safe(fn, O_RDWR);
+ assert_se(fd >= 0);
+
+ f = fdopen(fd, "r");
+ assert_se(f);
+ assert_se(write_string_stream(f, "boohoo") < 0);
+
+ f = freopen(fn, "r+", f);
+ assert_se(f);
+
+ assert_se(write_string_stream(f, "boohoo") == 0);
+ rewind(f);
+
+ assert_se(fgets(buf, sizeof(buf), f));
+ assert_se(streq(buf, "boohoo\n"));
+
+ unlink(fn);
+}
+
+static void test_write_string_file(void) {
+ char fn[] = "/tmp/test-write_string_file-XXXXXX";
+ char buf[64] = {};
+ _cleanup_close_ int fd;
+
+ fd = mkostemp_safe(fn, O_RDWR);
+ assert_se(fd >= 0);
+
+ assert_se(write_string_file(fn, "boohoo") == 0);
+
+ assert_se(read(fd, buf, sizeof(buf)) == 7);
+ assert_se(streq(buf, "boohoo\n"));
+
+ unlink(fn);
+}
+
+static void test_sendfile_full(void) {
+ char in_fn[] = "/tmp/test-sendfile_full-XXXXXX";
+ char out_fn[] = "/tmp/test-sendfile_full-XXXXXX";
+ _cleanup_close_ int in_fd, out_fd;
+ char text[] = "boohoo\nfoo\n\tbar\n";
+ char buf[64] = {0};
+
+ in_fd = mkostemp_safe(in_fn, O_RDWR);
+ assert_se(in_fd >= 0);
+ out_fd = mkostemp_safe(out_fn, O_RDWR);
+ assert_se(out_fd >= 0);
+
+ assert_se(write_string_file(in_fn, text) == 0);
+ assert_se(sendfile_full(out_fd, "/a/file/which/does/not/exist/i/guess") < 0);
+ assert_se(sendfile_full(out_fd, in_fn) == sizeof(text) - 1);
+ assert_se(lseek(out_fd, SEEK_SET, 0) == 0);
+
+ assert_se(read(out_fd, buf, sizeof(buf)) == sizeof(text) - 1);
+ assert_se(streq(buf, text));
+
+ unlink(in_fn);
+ unlink(out_fn);