1 // Copyright 2020 The Pigweed Authors
3 // Licensed under the Apache License, Version 2.0 (the "License"); you may not
4 // use this file except in compliance with the License. You may obtain a copy of
7 // https://www.apache.org/licenses/LICENSE-2.0
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
11 // WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
12 // License for the specific language governing permissions and limitations under
15 #include "pw_rpc/service.h"
17 #include "gtest/gtest.h"
18 #include "pw_rpc/internal/method.h"
22 class ServiceTestHelper {
24 static const internal::Method* FindMethod(Service& service, uint32_t id) {
25 return service.FindMethod(id);
31 void InvokeIt(const internal::Method&,
32 internal::ServerCall&,
33 const internal::Packet&) {}
35 class ServiceTestMethod : public internal::Method {
37 constexpr ServiceTestMethod(uint32_t id, char the_value)
38 : internal::Method(id, InvokeIt), value(the_value) {}
40 char value; // Add a member so the class is larger than the base Method.
43 class ServiceTestMethodUnion : public internal::MethodUnion {
45 constexpr ServiceTestMethodUnion(ServiceTestMethod&& method)
46 : impl_({.service_test = method}) {}
48 constexpr const internal::Method& method() const { return impl_.method; }
52 internal::Method method;
53 ServiceTestMethod service_test;
57 class TestService : public Service {
59 constexpr TestService() : Service(0xabcd, kMethods) {}
61 static constexpr std::array<ServiceTestMethodUnion, 3> kMethods = {
62 ServiceTestMethod(123, 'a'),
63 ServiceTestMethod(456, 'b'),
64 ServiceTestMethod(789, 'c'),
68 TEST(Service, MultipleMethods_FindMethod_Present) {
70 EXPECT_EQ(ServiceTestHelper::FindMethod(service, 123),
71 &TestService::kMethods[0].method());
72 EXPECT_EQ(ServiceTestHelper::FindMethod(service, 456),
73 &TestService::kMethods[1].method());
74 EXPECT_EQ(ServiceTestHelper::FindMethod(service, 789),
75 &TestService::kMethods[2].method());
78 TEST(Service, MultipleMethods_FindMethod_NotPresent) {
80 EXPECT_EQ(ServiceTestHelper::FindMethod(service, 0), nullptr);
81 EXPECT_EQ(ServiceTestHelper::FindMethod(service, 457), nullptr);
82 EXPECT_EQ(ServiceTestHelper::FindMethod(service, 999), nullptr);
85 class EmptyTestService : public Service {
87 constexpr EmptyTestService() : Service(0xabcd, kMethods) {}
88 static constexpr std::array<ServiceTestMethodUnion, 0> kMethods = {};
91 TEST(Service, NoMethods_FindMethod_NotPresent) {
92 EmptyTestService service;
93 EXPECT_EQ(ServiceTestHelper::FindMethod(service, 123), nullptr);
94 EXPECT_EQ(ServiceTestHelper::FindMethod(service, 456), nullptr);
95 EXPECT_EQ(ServiceTestHelper::FindMethod(service, 789), nullptr);
99 } // namespace pw::rpc