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
  14#include "qom/object.h"
  15#include "qemu/module.h"
  16
  17
  18#define TYPE_TEST_IF "test-interface"
  19#define TEST_IF_CLASS(klass) \
  20     OBJECT_CLASS_CHECK(TestIfClass, (klass), TYPE_TEST_IF)
  21#define TEST_IF_GET_CLASS(obj) \
  22     OBJECT_GET_CLASS(TestIfClass, (obj), TYPE_TEST_IF)
  23#define TEST_IF(obj) \
  24     INTERFACE_CHECK(TestIf, (obj), TYPE_TEST_IF)
  25
  26typedef struct TestIf {
  27    Object parent_obj;
  28} TestIf;
  29
  30typedef struct TestIfClass {
  31    InterfaceClass parent_class;
  32
  33    uint32_t test;
  34} TestIfClass;
  35
  36static const TypeInfo test_if_info = {
  37    .name          = TYPE_TEST_IF,
  38    .parent        = TYPE_INTERFACE,
  39    .class_size = sizeof(TestIfClass),
  40};
  41
  42#define PATTERN 0xFAFBFCFD
  43
  44static void test_class_init(ObjectClass *oc, void *data)
  45{
  46    TestIfClass *tc = TEST_IF_CLASS(oc);
  47
  48    g_assert(tc);
  49    tc->test = PATTERN;
  50}
  51
  52#define TYPE_DIRECT_IMPL "direct-impl"
  53
  54static const TypeInfo direct_impl_info = {
  55    .name = TYPE_DIRECT_IMPL,
  56    .parent = TYPE_OBJECT,
  57    .class_init = test_class_init,
  58    .interfaces = (InterfaceInfo[]) {
  59        { TYPE_TEST_IF },
  60        { }
  61    }
  62};
  63
  64#define TYPE_INTERMEDIATE_IMPL "intermediate-impl"
  65
  66static const TypeInfo intermediate_impl_info = {
  67    .name = TYPE_INTERMEDIATE_IMPL,
  68    .parent = TYPE_DIRECT_IMPL,
  69};
  70
  71static void test_interface_impl(const char *type)
  72{
  73    Object *obj = object_new(type);
  74    TestIf *iobj = TEST_IF(obj);
  75    TestIfClass *ioc = TEST_IF_GET_CLASS(iobj);
  76
  77    g_assert(iobj);
  78    g_assert(ioc->test == PATTERN);
  79    object_unref(obj);
  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