xref: /openbmc/sdbusplus/test/vtable/vtable.cpp (revision 3baa3045)
1 #include <sdbusplus/vtable.hpp>
2 
3 #include <gtest/gtest.h>
4 
5 extern "C"
6 {
7 int test_handler(sd_bus_message* m, void* userdata, sd_bus_error* ret_error);
8 int test_get(sd_bus* bus, const char* path, const char* interface,
9              const char* property, sd_bus_message* reply, void* userdata,
10              sd_bus_error* ret_error);
11 int test_set(sd_bus* bus, const char* path, const char* interface,
12              const char* property, sd_bus_message* value, void* userdata,
13              sd_bus_error* ret_error);
14 
15 extern const sd_bus_vtable example2[];
16 extern const size_t example2_size;
17 }
18 
19 static const sdbusplus::vtable_t example[] = {
20     sdbusplus::vtable::start(),
21     sdbusplus::vtable::method("1", "2", "3", &test_handler, 0),
22     sdbusplus::vtable::signal("5", "6"),
23     sdbusplus::vtable::property("7", "8", &test_get,
24                                 sdbusplus::vtable::property_::const_),
25     sdbusplus::vtable::property("10", "11", &test_get, &test_set),
26     sdbusplus::vtable::property_o("14", "15", &test_get, 16),
27     sdbusplus::vtable::end()};
28 
29 TEST(VtableTest, SameSize)
30 {
31     ASSERT_EQ(sizeof(example), example2_size);
32 }
33 
34 constexpr bool operator==(const sd_bus_vtable& t1, const sd_bus_vtable& t2)
35 {
36     if (t1.type != t2.type || t1.flags != t2.flags)
37     {
38         return false;
39     }
40 
41     switch (t1.type)
42     {
43         case _SD_BUS_VTABLE_START:
44             return t1.x.start.element_size == t2.x.start.element_size &&
45                    t1.x.start.features == t2.x.start.features;
46             // FIXME: In systemd 243, there is the new vtable_format_reference
47             // member, but current CI is using libsystemd 242, so we can not
48             // check it yet.
49             // && t1.x.start.vtable_format_reference
50             //      == t2.x.start.vtable_format_reference;
51         case _SD_BUS_VTABLE_END:
52         {
53             // The union x shall be all zeros for END
54             constexpr uint8_t allZeors[sizeof(t1.x)] = {0};
55             return memcmp(&t1.x, allZeors, sizeof(t1.x)) == 0 &&
56                    memcmp(&t2.x, allZeors, sizeof(t2.x)) == 0;
57         }
58         case _SD_BUS_VTABLE_METHOD:
59             return strcmp(t1.x.method.member, t2.x.method.member) == 0 &&
60                    strcmp(t1.x.method.signature, t2.x.method.signature) == 0 &&
61                    strcmp(t1.x.method.result, t2.x.method.result) == 0 &&
62                    t1.x.method.handler == t2.x.method.handler &&
63                    t1.x.method.offset == t2.x.method.offset &&
64                    strcmp(t1.x.method.names, t2.x.method.names) == 0;
65         case _SD_BUS_VTABLE_SIGNAL:
66             return strcmp(t1.x.signal.member, t2.x.signal.member) == 0 &&
67                    strcmp(t1.x.signal.signature, t2.x.signal.signature) == 0 &&
68                    strcmp(t1.x.signal.names, t2.x.signal.names) == 0;
69         case _SD_BUS_VTABLE_PROPERTY:
70         case _SD_BUS_VTABLE_WRITABLE_PROPERTY:
71             return strcmp(t1.x.property.member, t2.x.property.member) == 0 &&
72                    strcmp(t1.x.property.signature, t2.x.property.signature) ==
73                        0 &&
74                    t1.x.property.get == t2.x.property.get &&
75                    t1.x.property.set == t2.x.property.set &&
76                    t1.x.property.offset == t2.x.property.offset;
77     }
78     return false;
79 }
80 
81 TEST(VtableTest, SameContent)
82 {
83     for (size_t i = 0; i < sizeof(example) / sizeof(example[0]); ++i)
84     {
85         EXPECT_EQ(example[i], example2[i]);
86     }
87 }
88