qemu/tests/check-qom-interface.c
Igor Mammedov 14389dbd02 tests: Test QOM interface casting
Add basic regression testing for QOM Interface usage.
Test checks casting to interface type/class for following cases:
  - interface implementation in leaf class
  - interface implementation in intermediate (parent) class

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
2013-12-24 17:27:17 +01:00

106 lines
2.4 KiB
C

/*
* QOM interface test.
*
* Copyright (C) 2013 Red Hat Inc.
*
* Authors:
* Igor Mammedov <imammedo@redhat.com>
*
* This work is licensed under the terms of the GNU LGPL, version 2.1 or later.
* See the COPYING.LIB file in the top-level directory.
*/
#include <glib.h>
#include "qom/object.h"
#include "qemu/module.h"
#define TYPE_TEST_IF "test-interface"
#define TEST_IF_CLASS(klass) \
OBJECT_CLASS_CHECK(TestIfClass, (klass), TYPE_TEST_IF)
#define TEST_IF_GET_CLASS(obj) \
OBJECT_GET_CLASS(TestIfClass, (obj), TYPE_TEST_IF)
#define TEST_IF(obj) \
INTERFACE_CHECK(TestIf, (obj), TYPE_TEST_IF)
typedef struct TestIf {
Object parent_obj;
} TestIf;
typedef struct TestIfClass {
InterfaceClass parent_class;
uint32_t test;
} TestIfClass;
static const TypeInfo test_if_info = {
.name = TYPE_TEST_IF,
.parent = TYPE_INTERFACE,
.class_size = sizeof(TestIfClass),
};
#define PATTERN 0xFAFBFCFD
static void test_class_init(ObjectClass *oc, void *data)
{
TestIfClass *tc = TEST_IF_CLASS(oc);
g_assert(tc);
tc->test = PATTERN;
}
#define TYPE_DIRECT_IMPL "direct-impl"
static const TypeInfo direct_impl_info = {
.name = TYPE_DIRECT_IMPL,
.parent = TYPE_OBJECT,
.class_init = test_class_init,
.interfaces = (InterfaceInfo[]) {
{ TYPE_TEST_IF },
{ }
}
};
#define TYPE_INTERMEDIATE_IMPL "intermediate-impl"
static const TypeInfo intermediate_impl_info = {
.name = TYPE_INTERMEDIATE_IMPL,
.parent = TYPE_DIRECT_IMPL,
};
static void test_interface_impl(const char *type)
{
Object *obj = object_new(type);
TestIf *iobj = TEST_IF(obj);
TestIfClass *ioc = TEST_IF_GET_CLASS(iobj);
g_assert(iobj);
g_assert(ioc->test == PATTERN);
}
static void interface_direct_test(void)
{
test_interface_impl(TYPE_DIRECT_IMPL);
}
static void interface_intermediate_test(void)
{
test_interface_impl(TYPE_INTERMEDIATE_IMPL);
}
int main(int argc, char **argv)
{
g_test_init(&argc, &argv, NULL);
module_call_init(MODULE_INIT_QOM);
type_register_static(&test_if_info);
type_register_static(&direct_impl_info);
type_register_static(&intermediate_impl_info);
g_test_add_func("/qom/interface/direct_impl", interface_direct_test);
g_test_add_func("/qom/interface/intermediate_impl",
interface_intermediate_test);
return g_test_run();
}