LXR qemu/tests/unit/check-qom-interface.c

   1/*
   2 * QOM interface test.
   3 *
   4 * Copyright (C) 2013 Red Hat Inc.
   5 *
   6 * Authors:
   7 *  Igor Mammedov <imammedo@redhat.com>
   8 *
   9 * This work is licensed under the terms of the GNU LGPL, version 2.1 or later.
  10 * See the COPYING.LIB file in the top-level directory.
  11 */
  12#include "qemu/osdep.h"
  13
  14#include "qom/object.h"
  15#include "qemu/module.h"
  16
  17
  18#define TYPE_TEST_IF "test-interface"
  19typedef struct TestIfClass TestIfClass;
  20DECLARE_CLASS_CHECKERS(TestIfClass, TEST_IF,
  21                       TYPE_TEST_IF)
  22#define TEST_IF(obj) \
  23     INTERFACE_CHECK(TestIf, (obj), TYPE_TEST_IF)
  24
  25typedef struct TestIf TestIf;
  26
  27struct TestIfClass {
  28    InterfaceClass parent_class;
  29
  30    uint32_t test;
  31};
  32
  33static const TypeInfo test_if_info = {
  34    .name          = TYPE_TEST_IF,
  35    .parent        = TYPE_INTERFACE,
  36    .class_size = sizeof(TestIfClass),
  37};
  38
  39#define PATTERN 0xFAFBFCFD
  40
  41static void test_class_init(ObjectClass *oc, void *data)
  42{
  43    TestIfClass *tc = TEST_IF_CLASS(oc);
  44
  45    g_assert(tc);
  46    tc->test = PATTERN;
  47}
  48
  49#define TYPE_DIRECT_IMPL "direct-impl"
  50
  51static const TypeInfo direct_impl_info = {
  52    .name = TYPE_DIRECT_IMPL,
  53    .parent = TYPE_OBJECT,
  54    .class_init = test_class_init,
  55    .interfaces = (InterfaceInfo[]) {
  56        { TYPE_TEST_IF },
  57        { }
  58    }
  59};
  60
  61#define TYPE_INTERMEDIATE_IMPL "intermediate-impl"
  62
  63static const TypeInfo intermediate_impl_info = {
  64    .name = TYPE_INTERMEDIATE_IMPL,
  65    .parent = TYPE_DIRECT_IMPL,
  66};
  67
  68static void test_interface_impl(const char *type)
  69{
  70    Object *obj = object_new(type);
  71    TestIf *iobj = TEST_IF(obj);
  72    TestIfClass *ioc = TEST_IF_GET_CLASS(iobj);
  73
  74    g_assert(iobj);
  75    g_assert(ioc->test == PATTERN);
  76    object_unref(obj);
  77}
  78
  79static void interface_direct_test(void)
  80{
  81    test_interface_impl(TYPE_DIRECT_IMPL);
  82}
  83
  84static void interface_intermediate_test(void)
  85{
  86    test_interface_impl(TYPE_INTERMEDIATE_IMPL);
  87}
  88
  89int main(int argc, char **argv)
  90{
  91    g_test_init(&argc, &argv, NULL);
  92
  93    module_call_init(MODULE_INIT_QOM);
  94    type_register_static(&test_if_info);
  95    type_register_static(&direct_impl_info);
  96    type_register_static(&intermediate_impl_info);
  97
  98    g_test_add_func("/qom/interface/direct_impl", interface_direct_test);
  99    g_test_add_func("/qom/interface/intermediate_impl",
 100                    interface_intermediate_test);
 101
 102    return g_test_run();
 103}
 104