feat add EventBus

3party/EventBus

@@ -0,0 +1 @@
+Subproject commit 62046399d423b74fd2612c85ef287bc6d309e0b4

3party/nonstd/optional.h

@@ -2500,7 +2500,7 @@ template<typename T>
 using hash = std::hash<tl::optional<T>>;
 
 // if <= C++14
-#if __cplusplus < 201703L
+// #if __cplusplus < 201703L
 template<typename T>
 using optional = tl::optional<T>;
 
@@ -2530,7 +2530,7 @@ make_optional(std::initializer_list<U> il, Args &&...args)
 }
 
 constexpr tl::nullopt_t nullopt{tl::nullopt};
-#endif
+// #endif
 
 }// namespace ulib
 #endif

CMakeLists.txt

@@ -80,6 +80,8 @@ set(FMT_USE_CPP11
     CACHE BOOL "Use C++11" FORCE)
 add_subdirectory(${CMAKE_CURRENT_SOURCE_DIR}/3party/fmt)
 add_subdirectory(${CMAKE_CURRENT_SOURCE_DIR}/3party/sqlpp11)
+set(ENABLE_TEST OFF)
+add_subdirectory(${CMAKE_CURRENT_SOURCE_DIR}/3party/EventBus)
 
 set(JSONCPP_WITH_TESTS OFF)
 set(JSONCPP_WITH_POST_BUILD_UNITTEST OFF)
@@ -92,7 +94,7 @@ target_sources(
   ${PROJECT_NAME} PRIVATE src/ulib/empty.cpp src/ulib/log/logger.cpp
                           src/ulib/log/log.cpp src/ulib/log/level.cpp)
 target_link_libraries(${PROJECT_NAME} PUBLIC fmt::fmt jsoncpp_static
-                                             sqlpp11::sqlpp11)
+                                             sqlpp11::sqlpp11 Dexode::EventBus)
 target_compile_definitions(${PROJECT_NAME} PRIVATE ULIB_LIBRARY_IMPL)
 target_include_directories(
   ${PROJECT_NAME}

tests/3party/EventBus/EventBus_unittest.cpp

@@ -0,0 +1,22 @@
+#include <gtest/gtest.h>
+#include <dexode/EventBus.hpp>
+
+TEST(EventBus, BaseTest)
+{
+    struct TestEvent {
+        int value;
+    };
+
+    dexode::EventBus bus;
+    auto listener = dexode::EventBus::Listener::createNotOwning(bus);
+    int callCount = 0;
+    {
+        listener.listen([&](const TestEvent &event) {
+            EXPECT_EQ(1, event.value);
+            ++callCount;
+        });
+        bus.postpone(TestEvent{1});
+        EXPECT_EQ(bus.process(), 1);
+        EXPECT_EQ(callCount, 1);
+    }
+}

tests/CMakeLists.txt

@@ -13,6 +13,7 @@ add_executable(
   ulib/system/thread_unittest.cpp
   ulib/system/thread_pool_unittest.cpp
   ulib/system/timer_unittest.cpp
+  3party/EventBus/EventBus_unittest.cpp
   3party/inja/inja_unittest.cpp
   3party/optional/optional_unittest.cpp
   3party/sqlpp11/sqlpp11_unittest.cpp