Tests for entity cloning

src/tests/EntityCloneTest.cpp

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+#include <boost/test/unit_test.hpp>
+#include "Core/EventBroker.h"
+#include "Core/World.h"
+#include "Core/CTemplate.h"
+using namespace dd;
+
+struct TestComponent : public Component
+{
+	int Int = 5;
+	float Float = 1.33333f;
+	double Double = 1.33333;
+	std::string String = "Hello World";
+};
+
+BOOST_AUTO_TEST_CASE(EntityCloneTest)
+{
+	// Setup world
+	std::shared_ptr<EventBroker> eventBroker = std::make_shared<EventBroker>();
+	World world(eventBroker);
+	world.ComponentFactory.Register<Components::Template>();
+	world.ComponentFactory.Register<TestComponent>();
+
+	// Create our original entity
+	EntityID entOriginal = world.CreateEntity();
+	world.AddComponent<Components::Template>(entOriginal);
+	world.AddComponent<TestComponent>(entOriginal);
+
+	// Clone it
+	EntityID entClone = world.CloneEntity(entOriginal);
+
+	// Check
+	// EntityID of clone should not be same as original (obviously)
+	BOOST_CHECK(entOriginal != entClone);
+	// Template component SHOULD be in clone
+	auto templateComponentClone = world.GetComponent<Components::Template>(entClone);
+	BOOST_REQUIRE(templateComponentClone != nullptr);
+	// Values should be the same across the clone
+	auto testComponentOriginal = world.GetComponent<TestComponent>(entOriginal);
+	BOOST_REQUIRE(testComponentOriginal != nullptr);
+	auto testComponentClone = world.GetComponent<TestComponent>(entClone);
+	BOOST_REQUIRE(testComponentClone != nullptr);
+	BOOST_CHECK(testComponentClone->Int == testComponentOriginal->Int);
+	BOOST_CHECK(testComponentClone->Float == testComponentOriginal->Float);
+	BOOST_CHECK(testComponentClone->Double == testComponentOriginal->Double);
+	BOOST_CHECK(testComponentClone->String == testComponentOriginal->String);
+}