Added Catch2 tests, moved Age-class to own library

test/Age.cpp

@@ -0,0 +1,17 @@
+#include <catch2/catch.hpp>
+
+#include "Age.h"
+
+TEST_CASE("default initialization")
+{
+	Age age;
+	REQUIRE(age.years() == 0);
+	REQUIRE(age.months() == 0);
+	REQUIRE(age.toString() == "0;0");
+
+	Age age2;
+	REQUIRE(!(age < age));
+	REQUIRE(!(age < age2));
+}
+
+

test/CMakeLists.txt

@@ -0,0 +1,21 @@
+cmake_minimum_required(VERSION 3.5)
+project(run-tests)
+
+find_package(Catch2 REQUIRED)
+
+add_executable(${PROJECT_NAME}
+	main.cpp
+	dummy.cpp
+	Age.cpp
+)
+
+target_link_libraries(${PROJECT_NAME}
+	PRIVATE
+		Catch2::Catch2
+		Age
+)
+
+include(CTest)
+include(Catch)
+catch_discover_tests(${PROJECT_NAME})
+

test/dummy.cpp

@@ -0,0 +1,7 @@
+#include <catch2/catch.hpp>
+
+TEST_CASE("Dummy")
+{
+	REQUIRE(true == true);
+}
+

test/main.cpp

@@ -0,0 +1,2 @@
+#define CATCH_CONFIG_MAIN
+#include <catch2/catch.hpp>