xref: /openbmc/sdbusplus/test/vtable/vtable.cpp (revision e1c73d3b)
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,
8                      sd_bus_error* ret_error);
9     int test_get(sd_bus* bus, const char* path, const char* interface,
10                  const char* property, sd_bus_message* reply, void* userdata,
11                  sd_bus_error* ret_error);
12     int test_set(sd_bus* bus, const char* path, const char* interface,
13                  const char* property, sd_bus_message* value, void* userdata,
14                  sd_bus_error* ret_error);
15 
16     extern const sd_bus_vtable example2[];
17     extern const size_t example2_size;
18 }
19 
20 static const sdbusplus::vtable::vtable_t example[] = {
21     sdbusplus::vtable::start(),
22     sdbusplus::vtable::method("1", "2", "3", &test_handler, 0),
23     sdbusplus::vtable::signal("5", "6"),
24     sdbusplus::vtable::property("7", "8", &test_get,
25                                 sdbusplus::vtable::property_::const_),
26     sdbusplus::vtable::property("10", "11", &test_get, &test_set),
27     sdbusplus::vtable::property_o("14", "15", 16),
28     sdbusplus::vtable::end()};
29 
30 TEST(VtableTest, SameSize)
31 {
32     ASSERT_EQ(sizeof(example), example2_size);
33 }
34 
35 constexpr bool operator==(const sd_bus_vtable& t1, const sd_bus_vtable& t2)
36 {
37     if (t1.type != t2.type || t1.flags != t2.flags)
38     {
39         return false;
40     }
41 
42     switch (t1.type)
43     {
44         case _SD_BUS_VTABLE_START:
45             return t1.x.start.element_size == t2.x.start.element_size &&
46                    t1.x.start.features == t2.x.start.features;
47             // FIXME: In systemd 243, there is the new vtable_format_reference
48             // member, but current CI is using libsystemd 242, so we can not
49             // check it yet.
50             // && t1.x.start.vtable_format_reference
51             //      == t2.x.start.vtable_format_reference;
52             break;
53         case _SD_BUS_VTABLE_END:
54         {
55             // The union x shall be all zeros for END
56             constexpr uint8_t allZeors[sizeof(t1.x)] = {0};
57             return memcmp(&t1.x, allZeors, sizeof(t1.x)) == 0 &&
58                    memcmp(&t2.x, allZeors, sizeof(t2.x)) == 0;
59             break;
60         }
61         case _SD_BUS_VTABLE_METHOD:
62             return strcmp(t1.x.method.member, t2.x.method.member) == 0 &&
63                    strcmp(t1.x.method.signature, t2.x.method.signature) == 0 &&
64                    strcmp(t1.x.method.result, t2.x.method.result) == 0 &&
65                    t1.x.method.handler == t2.x.method.handler &&
66                    t1.x.method.offset == t2.x.method.offset &&
67                    strcmp(t1.x.method.names, t2.x.method.names) == 0;
68             break;
69         case _SD_BUS_VTABLE_SIGNAL:
70             return strcmp(t1.x.signal.member, t2.x.signal.member) == 0 &&
71                    strcmp(t1.x.signal.signature, t2.x.signal.signature) == 0 &&
72                    strcmp(t1.x.signal.names, t2.x.signal.names) == 0;
73             break;
74         case _SD_BUS_VTABLE_PROPERTY:
75         case _SD_BUS_VTABLE_WRITABLE_PROPERTY:
76             return strcmp(t1.x.property.member, t2.x.property.member) == 0 &&
77                    strcmp(t1.x.property.signature, t2.x.property.signature) ==
78                        0 &&
79                    t1.x.property.get == t2.x.property.get &&
80                    t1.x.property.set == t2.x.property.set &&
81                    t1.x.property.offset == t2.x.property.offset;
82             break;
83     }
84     return false;
85 }
86 
87 TEST(VtableTest, SameContent)
88 {
89     for (size_t i = 0; i < sizeof(example) / sizeof(example[0]); ++i)
90     {
91         EXPECT_EQ(example[i], example2[i]);
92     }
93 }
94