From: Marc-André Lureau <marcandre.lur...@redhat.com> Add a simple qdev test to check that allocated properties get free with the object. This test exhibited array leaks before the fixes.
Signed-off-by: Marc-André Lureau <marcandre.lur...@redhat.com> --- tests/unit/test-qdev.c | 96 ++++++++++++++++++++++++++++++++++++++++++ tests/unit/meson.build | 1 + 2 files changed, 97 insertions(+) create mode 100644 tests/unit/test-qdev.c diff --git a/tests/unit/test-qdev.c b/tests/unit/test-qdev.c new file mode 100644 index 0000000000..2b4c9dd643 --- /dev/null +++ b/tests/unit/test-qdev.c @@ -0,0 +1,96 @@ +#include "qemu/osdep.h" + +#include "hw/qdev-properties.h" +#include "qom/object.h" +#include "qapi/error.h" +#include "qapi/visitor.h" + + +#define TYPE_MY_DEV "my-dev" +typedef struct MyDev MyDev; +DECLARE_INSTANCE_CHECKER(MyDev, STATIC_TYPE, + TYPE_MY_DEV) + +struct MyDev { + DeviceState parent_obj; + + uint32_t prop_u32; + char *prop_string; + uint32_t *prop_array_u32; + uint32_t prop_array_u32_nb; +}; + +static const Property my_dev_props[] = { + DEFINE_PROP_UINT32("u32", MyDev, prop_u32, 100), + DEFINE_PROP_STRING("string", MyDev, prop_string), + DEFINE_PROP_ARRAY("array-u32", MyDev, prop_array_u32_nb, prop_array_u32, qdev_prop_uint32, uint32_t), +}; + +static void my_dev_class_init(ObjectClass *oc, const void *data) +{ + DeviceClass *dc = DEVICE_CLASS(oc); + + dc->realize = NULL; + device_class_set_props(dc, my_dev_props); +} + +static const TypeInfo my_dev_type_info = { + .name = TYPE_MY_DEV, + .parent = TYPE_DEVICE, + .instance_size = sizeof(MyDev), + .class_init = my_dev_class_init, +}; + +/* + * Initialize a fake machine, being prepared for future tests. + * + * Realization of anonymous qdev (with no parent object) requires both + * the machine object and its "unattached" container to be at least present. + */ +static void test_init_machine(void) +{ + /* This is a fake machine - it doesn't need to be a machine object */ + Object *machine = object_property_add_new_container( + object_get_root(), "machine"); + + /* This container must exist for anonymous qdevs to realize() */ + object_property_add_new_container(machine, "unattached"); +} + +static void test_qdev_free_properties(void) +{ + MyDev *mt; + + mt = STATIC_TYPE(object_new(TYPE_MY_DEV)); + object_set_props(OBJECT(mt), &error_fatal, + "string", "something", + "array-u32", "12,13", + NULL); + qdev_realize(DEVICE(mt), NULL, &error_fatal); + + g_assert_cmpuint(mt->prop_u32, ==, 100); + g_assert_cmpstr(mt->prop_string, ==, "something"); + g_assert_cmpuint(mt->prop_array_u32_nb, ==, 2); + g_assert_cmpuint(mt->prop_array_u32[0], ==, 12); + g_assert_cmpuint(mt->prop_array_u32[1], ==, 13); + + object_unparent(OBJECT(mt)); + object_unref(mt); +} + + +int main(int argc, char **argv) +{ + g_test_init(&argc, &argv, NULL); + + module_call_init(MODULE_INIT_QOM); + type_register_static(&my_dev_type_info); + test_init_machine(); + + g_test_add_func("/qdev/free-properties", + test_qdev_free_properties); + + g_test_run(); + + return 0; +} diff --git a/tests/unit/meson.build b/tests/unit/meson.build index d5248ae51d..99f59f4ceb 100644 --- a/tests/unit/meson.build +++ b/tests/unit/meson.build @@ -159,6 +159,7 @@ if have_system 'test-qdev-global-props': [qom, hwcore] } endif + tests += {'test-qdev': [qom, hwcore]} endif if have_ga and host_os == 'linux' -- 2.49.0