+}
+
+extern const sd_bus_error_map __start_BUS_ERROR_MAP[];
+extern const sd_bus_error_map __stop_BUS_ERROR_MAP[];
+
+static void dump_mapping_table(void) {
+ const sd_bus_error_map *m;
+
+ printf("----- errno mappings ------\n");
+ m = __start_BUS_ERROR_MAP;
+ while (m < __stop_BUS_ERROR_MAP) {
+
+ if (m->code == BUS_ERROR_MAP_END_MARKER) {
+ m = ALIGN8_PTR(m+1);
+ continue;
+ }
+
+ printf("%s -> %i/%s\n", strna(m->name), m->code, strna(errno_to_name(m->code)));
+ m ++;
+ }
+ printf("---------------------------\n");
+}
+
+static void test_errno_mapping_standard(void) {
+ assert_se(sd_bus_error_set(NULL, "System.Error.EUCLEAN", NULL) == -EUCLEAN);
+ assert_se(sd_bus_error_set(NULL, "System.Error.EBUSY", NULL) == -EBUSY);
+ assert_se(sd_bus_error_set(NULL, "System.Error.EINVAL", NULL) == -EINVAL);
+ assert_se(sd_bus_error_set(NULL, "System.Error.WHATSIT", NULL) == -EIO);
+}
+
+BUS_ERROR_MAP_ELF_REGISTER const sd_bus_error_map test_errors[] = {
+ SD_BUS_ERROR_MAP("org.freedesktop.custom-dbus-error", 5),
+ SD_BUS_ERROR_MAP("org.freedesktop.custom-dbus-error-2", 52),
+ SD_BUS_ERROR_MAP_END
+};
+
+BUS_ERROR_MAP_ELF_REGISTER const sd_bus_error_map test_errors2[] = {
+ SD_BUS_ERROR_MAP("org.freedesktop.custom-dbus-error-3", 33),
+ SD_BUS_ERROR_MAP("org.freedesktop.custom-dbus-error-4", 44),
+ SD_BUS_ERROR_MAP("org.freedesktop.custom-dbus-error-33", 333),
+ SD_BUS_ERROR_MAP_END
+};
+
+static const sd_bus_error_map test_errors3[] = {
+ SD_BUS_ERROR_MAP("org.freedesktop.custom-dbus-error-88", 888),
+ SD_BUS_ERROR_MAP("org.freedesktop.custom-dbus-error-99", 999),
+ SD_BUS_ERROR_MAP_END
+};
+
+static const sd_bus_error_map test_errors4[] = {
+ SD_BUS_ERROR_MAP("org.freedesktop.custom-dbus-error-77", 777),
+ SD_BUS_ERROR_MAP("org.freedesktop.custom-dbus-error-78", 778),
+ SD_BUS_ERROR_MAP_END
+};
+
+static void test_errno_mapping_custom(void) {
+ assert_se(sd_bus_error_set(NULL, "org.freedesktop.custom-dbus-error", NULL) == -5);
+ assert_se(sd_bus_error_set(NULL, "org.freedesktop.custom-dbus-error-2", NULL) == -52);
+ assert_se(sd_bus_error_set(NULL, "org.freedesktop.custom-dbus-error-x", NULL) == -EIO);
+ assert_se(sd_bus_error_set(NULL, "org.freedesktop.custom-dbus-error-33", NULL) == -333);
+
+ assert_se(sd_bus_error_set(NULL, "org.freedesktop.custom-dbus-error-88", NULL) == -EIO);
+ assert_se(sd_bus_error_set(NULL, "org.freedesktop.custom-dbus-error-99", NULL) == -EIO);
+ assert_se(sd_bus_error_set(NULL, "org.freedesktop.custom-dbus-error-77", NULL) == -EIO);
+
+ assert_se(sd_bus_error_add_map(test_errors3) > 0);
+ assert_se(sd_bus_error_set(NULL, "org.freedesktop.custom-dbus-error-88", NULL) == -888);
+ assert_se(sd_bus_error_add_map(test_errors4) > 0);
+ assert_se(sd_bus_error_add_map(test_errors4) == 0);
+ assert_se(sd_bus_error_add_map(test_errors3) == 0);
+
+ assert_se(sd_bus_error_set(NULL, "org.freedesktop.custom-dbus-error-99", NULL) == -999);
+ assert_se(sd_bus_error_set(NULL, "org.freedesktop.custom-dbus-error-77", NULL) == -777);
+ assert_se(sd_bus_error_set(NULL, "org.freedesktop.custom-dbus-error-78", NULL) == -778);
+ assert_se(sd_bus_error_set(NULL, "org.freedesktop.custom-dbus-error-2", NULL) == -52);
+ assert_se(sd_bus_error_set(NULL, "org.freedesktop.custom-dbus-error-y", NULL) == -EIO);
+
+ assert_se(sd_bus_error_set(NULL, BUS_ERROR_NO_SUCH_UNIT, NULL) == -ENOENT);
+}
+
+int main(int argc, char *argv[]) {
+ dump_mapping_table();
+
+ test_error();
+ test_errno_mapping_standard();
+ test_errno_mapping_custom();