xref: /openbmc/sdbusplus/test/vtable/vtable.cpp (revision e57c38e9)
1 #include <sdbusplus/vtable.hpp>
2 
3 #include <gtest/gtest.h>
4 
5 extern "C" {
6 int test_handler(sd_bus_message* m, void* userdata, sd_bus_error* ret_error);
7 int test_get(sd_bus* bus, const char* path, const char* interface,
8              const char* property, sd_bus_message* reply, void* userdata,
9              sd_bus_error* ret_error);
10 int test_set(sd_bus* bus, const char* path, const char* interface,
11              const char* property, sd_bus_message* value, void* userdata,
12              sd_bus_error* ret_error);
13 
14 extern const sd_bus_vtable example2[];
15 extern const size_t example2_size;
16 }
17 
18 static const sdbusplus::vtable::vtable_t example[] = {
19     sdbusplus::vtable::start(),
20     sdbusplus::vtable::method("1", "2", "3", &test_handler, 0),
21     sdbusplus::vtable::signal("5", "6"),
22     sdbusplus::vtable::property("7", "8", &test_get,
23                                 sdbusplus::vtable::property_::const_),
24     sdbusplus::vtable::property("10", "11", &test_get, &test_set),
25     sdbusplus::vtable::property_o("14", "15", 16),
26     sdbusplus::vtable::end()};
27 
28 TEST(VtableTest, SameSize)
29 {
30     ASSERT_EQ(sizeof(example), example2_size);
31 }
32 
33 constexpr bool operator==(const sd_bus_vtable& t1, const sd_bus_vtable& t2)
34 {
35     if (t1.type != t2.type || t1.flags != t2.flags)
36     {
37         return false;
38     }
39 
40     switch (t1.type)
41     {
42         case _SD_BUS_VTABLE_START:
43             return t1.x.start.element_size == t2.x.start.element_size &&
44                    t1.x.start.features == t2.x.start.features;
45             // FIXME: In systemd 243, there is the new vtable_format_reference
46             // member, but current CI is using libsystemd 242, so we can not
47             // check it yet.
48             // && t1.x.start.vtable_format_reference
49             //      == t2.x.start.vtable_format_reference;
50             break;
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             break;
58         }
59         case _SD_BUS_VTABLE_METHOD:
60             return strcmp(t1.x.method.member, t2.x.method.member) == 0 &&
61                    strcmp(t1.x.method.signature, t2.x.method.signature) == 0 &&
62                    strcmp(t1.x.method.result, t2.x.method.result) == 0 &&
63                    t1.x.method.handler == t2.x.method.handler &&
64                    t1.x.method.offset == t2.x.method.offset &&
65                    strcmp(t1.x.method.names, t2.x.method.names) == 0;
66             break;
67         case _SD_BUS_VTABLE_SIGNAL:
68             return strcmp(t1.x.signal.member, t2.x.signal.member) == 0 &&
69                    strcmp(t1.x.signal.signature, t2.x.signal.signature) == 0 &&
70                    strcmp(t1.x.signal.names, t2.x.signal.names) == 0;
71             break;
72         case _SD_BUS_VTABLE_PROPERTY:
73         case _SD_BUS_VTABLE_WRITABLE_PROPERTY:
74             return strcmp(t1.x.property.member, t2.x.property.member) == 0 &&
75                    strcmp(t1.x.property.signature, t2.x.property.signature) ==
76                        0 &&
77                    t1.x.property.get == t2.x.property.get &&
78                    t1.x.property.set == t2.x.property.set &&
79                    t1.x.property.offset == t2.x.property.offset;
80             break;
81     }
82     return false;
83 }
84 
85 TEST(VtableTest, SameContent)
86 {
87     for (size_t i = 0; i < sizeof(example) / sizeof(example[0]); ++i)
88     {
89         EXPECT_EQ(example[i], example2[i]);
90     }
91 }
92