diff options
| -rw-r--r-- | tests/check-qom-proplist.c | 159 |
1 files changed, 159 insertions, 0 deletions
diff --git a/tests/check-qom-proplist.c b/tests/check-qom-proplist.c index 1be8b9e6f2..e674c0fa89 100644 --- a/tests/check-qom-proplist.c +++ b/tests/check-qom-proplist.c @@ -152,6 +152,148 @@ static const TypeInfo dummy_info = { .class_size = sizeof(DummyObjectClass), }; + +/* + * The following 3 object classes are used to + * simulate the kind of relationships seen in + * qdev, which result in complex object + * property destruction ordering. + * + * DummyDev has a 'bus' child to a DummyBus + * DummyBus has a 'backend' child to a DummyBackend + * DummyDev has a 'backend' link to DummyBackend + * + * When DummyDev is finalized, it unparents the + * DummyBackend, which unparents the DummyDev + * which deletes the 'backend' link from DummyDev + * to DummyBackend. This illustrates that the + * object_property_del_all() method needs to + * cope with the list of properties being changed + * while it iterates over them. + */ +typedef struct DummyDev DummyDev; +typedef struct DummyDevClass DummyDevClass; +typedef struct DummyBus DummyBus; +typedef struct DummyBusClass DummyBusClass; +typedef struct DummyBackend DummyBackend; +typedef struct DummyBackendClass DummyBackendClass; + +#define TYPE_DUMMY_DEV "qemu-dummy-dev" +#define TYPE_DUMMY_BUS "qemu-dummy-bus" +#define TYPE_DUMMY_BACKEND "qemu-dummy-backend" + +#define DUMMY_DEV(obj) \ + OBJECT_CHECK(DummyDev, (obj), TYPE_DUMMY_DEV) +#define DUMMY_BUS(obj) \ + OBJECT_CHECK(DummyBus, (obj), TYPE_DUMMY_BUS) +#define DUMMY_BACKEND(obj) \ + OBJECT_CHECK(DummyBackend, (obj), TYPE_DUMMY_BACKEND) + +struct DummyDev { + Object parent_obj; + + DummyBus *bus; +}; + +struct DummyDevClass { + ObjectClass parent_class; +}; + +struct DummyBus { + Object parent_obj; + + DummyBackend *backend; +}; + +struct DummyBusClass { + ObjectClass parent_class; +}; + +struct DummyBackend { + Object parent_obj; +}; + +struct DummyBackendClass { + ObjectClass parent_class; +}; + + +static void dummy_dev_init(Object *obj) +{ + DummyDev *dev = DUMMY_DEV(obj); + DummyBus *bus = DUMMY_BUS(object_new(TYPE_DUMMY_BUS)); + DummyBackend *backend = DUMMY_BACKEND(object_new(TYPE_DUMMY_BACKEND)); + + object_property_add_child(obj, "bus", OBJECT(bus), NULL); + dev->bus = bus; + object_property_add_child(OBJECT(bus), "backend", OBJECT(backend), NULL); + bus->backend = backend; + + object_property_add_link(obj, "backend", TYPE_DUMMY_BACKEND, + (Object **)&bus->backend, NULL, 0, NULL); +} + +static void dummy_dev_unparent(Object *obj) +{ + DummyDev *dev = DUMMY_DEV(obj); + object_unparent(OBJECT(dev->bus)); +} + +static void dummy_dev_class_init(ObjectClass *klass, void *opaque) +{ + klass->unparent = dummy_dev_unparent; +} + + +static void dummy_bus_init(Object *obj) +{ +} + +static void dummy_bus_unparent(Object *obj) +{ + DummyBus *bus = DUMMY_BUS(obj); + object_property_del(obj->parent, "backend", NULL); + object_unparent(OBJECT(bus->backend)); +} + +static void dummy_bus_class_init(ObjectClass *klass, void *opaque) +{ + klass->unparent = dummy_bus_unparent; +} + +static void dummy_backend_init(Object *obj) +{ +} + + +static const TypeInfo dummy_dev_info = { + .name = TYPE_DUMMY_DEV, + .parent = TYPE_OBJECT, + .instance_size = sizeof(DummyDev), + .instance_init = dummy_dev_init, + .class_size = sizeof(DummyDevClass), + .class_init = dummy_dev_class_init, +}; + +static const TypeInfo dummy_bus_info = { + .name = TYPE_DUMMY_BUS, + .parent = TYPE_OBJECT, + .instance_size = sizeof(DummyBus), + .instance_init = dummy_bus_init, + .class_size = sizeof(DummyBusClass), + .class_init = dummy_bus_class_init, +}; + +static const TypeInfo dummy_backend_info = { + .name = TYPE_DUMMY_BACKEND, + .parent = TYPE_OBJECT, + .instance_size = sizeof(DummyBackend), + .instance_init = dummy_backend_init, + .class_size = sizeof(DummyBackendClass), +}; + + + static void test_dummy_createv(void) { Error *err = NULL; @@ -331,18 +473,35 @@ static void test_dummy_iterator(void) } +static void test_dummy_delchild(void) +{ + Object *parent = object_get_objects_root(); + DummyDev *dev = DUMMY_DEV( + object_new_with_props(TYPE_DUMMY_DEV, + parent, + "dev0", + &error_abort, + NULL)); + + object_unparent(OBJECT(dev)); +} + int main(int argc, char **argv) { g_test_init(&argc, &argv, NULL); module_call_init(MODULE_INIT_QOM); type_register_static(&dummy_info); + type_register_static(&dummy_dev_info); + type_register_static(&dummy_bus_info); + type_register_static(&dummy_backend_info); g_test_add_func("/qom/proplist/createlist", test_dummy_createlist); g_test_add_func("/qom/proplist/createv", test_dummy_createv); g_test_add_func("/qom/proplist/badenum", test_dummy_badenum); g_test_add_func("/qom/proplist/getenum", test_dummy_getenum); g_test_add_func("/qom/proplist/iterator", test_dummy_iterator); + g_test_add_func("/qom/proplist/delchild", test_dummy_delchild); return g_test_run(); } |