static void qnull_visit_test(void) { QObject *obj; Visitor *v; QNull *null; /* * Most tests of interactions between QObject and visitors are in * test-qmp-*-visitor; but these tests live here because they * depend on layering violations to check qnull_ refcnt. */ g_assert(qnull_.base.refcnt == 1); obj = QOBJECT(qnull()); v = qobject_input_visitor_new(obj); qobject_decref(obj); visit_type_null(v, NULL, &null, &error_abort); g_assert(obj == QOBJECT(&qnull_)); QDECREF(null); visit_free(v); null = NULL; v = qobject_output_visitor_new(&obj); visit_type_null(v, NULL, &null, &error_abort); visit_complete(v, &obj); g_assert(obj == QOBJECT(&qnull_)); QDECREF(null); qobject_decref(obj); visit_free(v); g_assert(qnull_.base.refcnt == 1); }
QObject *object_property_get_qobject(Object *obj, const char *name, Error **errp) { QObject *ret = NULL; Error *local_err = NULL; Visitor *v; v = qobject_output_visitor_new(&ret); object_property_get(obj, v, name, &local_err); if (!local_err) { visit_complete(v, &ret); } error_propagate(errp, local_err); visit_free(v); return ret; }
static void visitor_output_setup(TestOutputVisitorData *data, const void *unused) { data->ov = qobject_output_visitor_new(&data->obj); g_assert(data->ov); }