feat: add event test

src/test/tests/event.cpp

@@ -0,0 +1,37 @@
+#include "tests.h"
+
+#include <seallib/events.h>
+
+#include <string>
+#include <iostream>
+
+using namespace seallib;
+
+class EventTest : ITest
+{
+    public:
+        EventTest() : ITest() {};
+
+        virtual void run() override
+        {
+            Event<std::string> testEvent;
+
+            auto listener1 = testEvent.addListener(
+                [](std::string str) { std::cout << "(Listener 1) Event has been fired with string: " << str << std::endl; });
+
+            auto listener2 = testEvent.addListener(
+                [](std::string str) { std::cout << "(Listener 2) Event has been fired, string: " << str << std::endl; });
+
+            const char* str1 = "somestring";
+            testEvent.run(str1);
+
+            std::string str2("hello world");
+            testEvent.run(str2);
+
+            testEvent.removeListener(listener2);
+
+            testEvent.run("event without listener 2");
+        };
+};
+
+static EventTest g_eventTest;