[{"type":"CodeBlock","activeTabIndex":0,"children":[{"type":"CodeTab","language":"cpp","name":"","children":[{"text":"enum ActionType {\n ACTION_SEND,\n ACTION_EXPECT,\n ACTION_CUSTOM,\n ACTION_SUB_MACHINE\n};\n\n// Action Base class\n\nstruct Action {\n ActionType type;\n virtual ~Action() = default;\n};\n\n\n// action which mock other modules(APP, L2, L1) send message to L3(NAS, RRC)\n\nstruct SendAction : Action {\n using SendFunc = void (*)(const void*);\n SendFunc func;\n void* args;\n SendAction(SendFunc f, void* a) : func(f), args(a) { type = ACTION_SEND; }\n};\n\n// action which L3(NAS, RRC) send message to other modules(APP, L2, L1) is expected\n\nstruct ExpectAction : Action {\n using HandlerFunc = bool (*)(InfraMessage*, sqnMsgId_t, const void*, void*);\n int msgId;\n HandlerFunc handler;\n void* expectedMsg;\n void* checkArgs;\n ExpectAction(int id, HandlerFunc h, void* exp, void* args) \n : msgId(id), handler(h), expectedMsg(exp), checkArgs(args) { type = ACTION_EXPECT; }\n};\n\n\n// Action which is defined freely\nstruct CustomAction : Action {\n using Cust＊＊＊unc = std::function;\n Cust＊＊＊unc func;\n CustomAction(Cust＊＊＊unc f) : func(f) { type = ACTION_CUSTOM; }\n};\n\nstruct TestMachine; // Forward declaration\nstruct SubMachineAction : Action {\n TestMachine& machine;\n int subState = 0;\n bool subComplete = false;\n SubMachineAction(TestMachine& m) : machine(m) { type = ACTION_SUB_MACHINE; }\n};\n\n\n// Step container\nstruct Step {\n int id;\n std::vector> actions;\n};\n\n\n// fsm builder machine\n\nstruct TestMachine \n{\n // Setup means initilize\n TestMachine& Setup(std::function func) {\n setupFunc = func;\n return *this;\n }\n // define new step (automatically allocate ID)\n\n TestMachine& NewStep() {\n int id = steps.size();\n steps.push_back({id, {}});\n currentStepIdx = id; // update index\n return *this;\n }\n\n template\n void AddAction(std::shared_ptr action) \n {\n if (currentStepIdx >= 0 && currentStepIdx < steps.size()) {\n steps[currentStepIdx].actions.push_back(action);\n }\n }\n\n // send action \n TestMachine& Send(void (*func)(const void*), void* args = nullptr) \n {\n AddAction(std::make_shared(func, args));\n return *this;\n }\n\n TestMachine& Send(void (*func)(void)) //override function, compile fail\n {\n auto wrapper = [func](const void*) { func(); }; // 手动包装成符合 SendAction 要求的签名\n AddAction(std::make_shared(wrapper, nullptr));\n return *this;\n }\n\n // send action overload for function pointer without args\n\n TestMachine& Send(void (*func)(void)) //override function, compile success\n {\n // Use non-capturing lambda which implicitly converts to function pointer\n auto wrapper = [](const void* funcPtr) { \n // 将 void* 转换回无参函数指针并调用\n auto f = reinterpret_cast(const_cast(funcPtr));\n if(f) f(); \n };\n\n // Pass the function pointer as user data (args)\n // 注意：这里将 func 强转为 void* 传入，这是兼容 posix/legacy api 的常见做法\n AddAction(std::make_shared(wrapper, reinterpret_cast(func)));\n return *this;\n } \n\n // expect action\n\n TestMachine& Expect(int msgId, bool (*handler)(InfraMessage*, sqnMsgId_t, const void*, void*) = nullptr, void* expectedMsg = nullptr, void* checkArgs = nullptr) \n {\n AddAction(std::make_shared(msgId, handler, expectedMsg, checkArgs));\n return *this;\n }\n\n // customize action\n\n TestMachine& Custom(std::function func) \n {\n AddAction(std::make_shared(func));\n return *this;\n }\n\n TestMachine& SubMachine(TestMachine& subMachine) \n {\n AddAction(std::make_shared(subMachine));\n return *this;\n }\n\n void* GetMsg() const { return currentMsg; }\n int GetMsgId() const { return currentMsgId; }\n\n // run fsm \n\n void Run(int* pState, bool* pComplete, int msgId, void* msg);\n\n std::vector steps;\n\n int currentStepIdx {-1};\n\n std::function setupFunc;\n\n bool setupExecuted {};\n\n void* currentMsg {nullptr};\n\n int currentMsgId {L3_ST_INVALID_MSG_ID}; \n\n};\n#endif"}],"slateId":"QE8aoauNvwBxS0CSk4u8x"}],"slateId":"arpxkR9Nvsg_rAnkWkbe3"},{"type":"Image","src":"https://pic.leetcode.cn/1768386542-AfOcmT-image.png","children":[{"text":""}],"slateId":"XB0f6rDMzdumFsXhZqxuc"}]