simple regex and test

test/CMakeLists.txt

@@ -0,0 +1,16 @@
+cmake_minimum_required(VERSION 3.9...3.24 FATAL_ERROR)
+
+project(solanaceae)
+
+add_executable(solanaceae_factorio_test1
+	./test1.cpp
+)
+
+target_compile_features(solanaceae_factorio_test1 PUBLIC cxx_std_17)
+target_link_libraries(solanaceae_factorio_test1 PUBLIC
+	solanaceae_factorio
+)
+
+add_test(NAME solanaceae_factorio_test1 COMMAND solanaceae_factorio_test1)
+
+########################################

test/test1.cpp

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+#include "log_parse.hpp"
+
+#include <cassert>
+
+int main(void) {
+
+	{
+		const auto parse_res = log_parse_line(" 442.539 Script @__Factorio-Event-Logger__/logger.lua:65: [RESEARCH CANCELLED] worker-robots-speed");
+		assert(parse_res.has_value());
+		assert(parse_res.value().event == "RESEARCH CANCELLED");
+		assert(parse_res.value().info == "worker-robots-speed");
+	}
+
+	{
+		const auto parse_res = log_parse_line(" 224.089 Info ServerMultiplayerManager.cpp:944: updateTick(38228812) received stateChanged peerID(2) oldState(ConnectedLoadingMap) newState(TryingToCatchUp)");
+		assert(!parse_res.has_value());
+	}
+
+	return 0;
+}
+