+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);
+}
+