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