LXR qemu/tests/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#include <glib.h>
  14
  15#include "qom/object.h"
  16#include "qemu/module.h"
  17
  18
  19#define TYPE_TEST_IF "test-interface"
  20#define TEST_IF_CLASS(klass) \
  21     OBJECT_CLASS_CHECK(TestIfClass, (klass), TYPE_TEST_IF)
  22#define TEST_IF_GET_CLASS(obj) \
  23     OBJECT_GET_CLASS(TestIfClass, (obj), TYPE_TEST_IF)
  24#define TEST_IF(obj) \
  25     INTERFACE_CHECK(TestIf, (obj), TYPE_TEST_IF)
  26
  27typedef struct TestIf {
  28    Object parent_obj;
  29} TestIf;
  30
  31typedef struct TestIfClass {
  32    InterfaceClass parent_class;
  33
  34    uint32_t test;
  35} TestIfClass;
  36
  37static const TypeInfo test_if_info = {
  38    .name          = TYPE_TEST_IF,
  39    .parent        = TYPE_INTERFACE,
  40    .class_size = sizeof(TestIfClass),
  41};
  42
  43#define PATTERN 0xFAFBFCFD
  44
  45static void test_class_init(ObjectClass *oc, void *data)
  46{
  47    TestIfClass *tc = TEST_IF_CLASS(oc);
  48
  49    g_assert(tc);
  50    tc->test = PATTERN;
  51}
  52
  53#define TYPE_DIRECT_IMPL "direct-impl"
  54
  55static const TypeInfo direct_impl_info = {
  56    .name = TYPE_DIRECT_IMPL,
  57    .parent = TYPE_OBJECT,
  58    .class_init = test_class_init,
  59    .interfaces = (InterfaceInfo[]) {
  60        { TYPE_TEST_IF },
  61        { }
  62    }
  63};
  64
  65#define TYPE_INTERMEDIATE_IMPL "intermediate-impl"
  66
  67static const TypeInfo intermediate_impl_info = {
  68    .name = TYPE_INTERMEDIATE_IMPL,
  69    .parent = TYPE_DIRECT_IMPL,
  70};
  71
  72static void test_interface_impl(const char *type)
  73{
  74    Object *obj = object_new(type);
  75    TestIf *iobj = TEST_IF(obj);
  76    TestIfClass *ioc = TEST_IF_GET_CLASS(iobj);
  77
  78    g_assert(iobj);
  79    g_assert(ioc->test == PATTERN);
  80}
  81
  82static void interface_direct_test(void)
  83{
  84    test_interface_impl(TYPE_DIRECT_IMPL);
  85}
  86
  87static void interface_intermediate_test(void)
  88{
  89    test_interface_impl(TYPE_INTERMEDIATE_IMPL);
  90}
  91
  92int main(int argc, char **argv)
  93{
  94    g_test_init(&argc, &argv, NULL);
  95
  96    module_call_init(MODULE_INIT_QOM);
  97    type_register_static(&test_if_info);
  98    type_register_static(&direct_impl_info);
  99    type_register_static(&intermediate_impl_info);
 100
 101    g_test_add_func("/qom/interface/direct_impl", interface_direct_test);
 102    g_test_add_func("/qom/interface/intermediate_impl",
 103                    interface_intermediate_test);
 104
 105    return g_test_run();
 106}
 107