13 files changed, 600 insertions, 12 deletions

diff --git a/src/test/AudioTest.cpp b/src/test/AudioTest.cpp
new file mode 100644
index 0000000..48bba1b
--- /dev/null
+++ b/src/test/AudioTest.cpp
@@ -0,0 +1,161 @@
+#include <gmock/gmock.h>
+#include <gtest/gtest.h>
+
+#include <crepe/api/AudioSource.h>
+#include <crepe/api/GameObject.h>
+#include <crepe/manager/ComponentManager.h>
+#include <crepe/manager/ResourceManager.h>
+#include <crepe/system/AudioSystem.h>
+
+using namespace std;
+using namespace std::chrono_literals;
+using namespace crepe;
+using namespace testing;
+
+class AudioTest : public Test {
+private:
+	class TestSoundContext : public SoundContext {
+	public:
+		MOCK_METHOD(SoundHandle, play, (Sound & resource), (override));
+		MOCK_METHOD(void, stop, (const SoundHandle &), (override));
+		MOCK_METHOD(void, set_volume, (const SoundHandle &, float), (override));
+		MOCK_METHOD(void, set_loop, (const SoundHandle &, bool), (override));
+	};
+
+	class TestAudioSystem : public AudioSystem {
+	public:
+		using AudioSystem::AudioSystem;
+		StrictMock<TestSoundContext> context;
+		virtual SoundContext & get_context() { return this->context; }
+	};
+
+private:
+	Mediator mediator;
+	ComponentManager component_manager{mediator};
+	ResourceManager resource_manager{mediator};
+
+public:
+	TestAudioSystem system{mediator};
+	TestSoundContext & context = system.context;
+
+private:
+	GameObject entity = component_manager.new_object("name");
+
+public:
+	AudioSource & component = entity.add_component<AudioSource>("mwe/audio/bgm.ogg");
+};
+
+TEST_F(AudioTest, Default) {
+	EXPECT_CALL(context, play(_)).Times(0);
+	EXPECT_CALL(context, stop(_)).Times(0);
+	EXPECT_CALL(context, set_volume(_, _)).Times(0);
+	EXPECT_CALL(context, set_loop(_, _)).Times(0);
+	system.update();
+}
+
+TEST_F(AudioTest, Play) {
+	system.update();
+
+	{
+		InSequence seq;
+
+		EXPECT_CALL(context, play(_)).Times(0);
+		component.play();
+	}
+
+	{
+		InSequence seq;
+
+		EXPECT_CALL(context, play(_)).Times(1);
+		system.update();
+	}
+}
+
+TEST_F(AudioTest, Stop) {
+	system.update();
+
+	{
+		InSequence seq;
+
+		EXPECT_CALL(context, stop(_)).Times(0);
+		component.stop();
+	}
+
+	{
+		InSequence seq;
+
+		EXPECT_CALL(context, stop(_)).Times(1);
+		system.update();
+	}
+}
+
+TEST_F(AudioTest, Volume) {
+	system.update();
+
+	{
+		InSequence seq;
+
+		EXPECT_CALL(context, set_volume(_, _)).Times(0);
+		component.volume += 0.2;
+	}
+
+	{
+		InSequence seq;
+
+		EXPECT_CALL(context, set_volume(_, component.volume)).Times(1);
+		system.update();
+	}
+}
+
+TEST_F(AudioTest, Looping) {
+	system.update();
+
+	{
+		InSequence seq;
+
+		EXPECT_CALL(context, set_loop(_, _)).Times(0);
+		component.loop = !component.loop;
+	}
+
+	{
+		InSequence seq;
+
+		EXPECT_CALL(context, set_loop(_, component.loop)).Times(1);
+		system.update();
+	}
+}
+
+TEST_F(AudioTest, StopOnDeactivate) {
+	system.update();
+
+	{
+		InSequence seq;
+
+		EXPECT_CALL(context, stop(_)).Times(1);
+		component.active = false;
+		system.update();
+	}
+}
+
+TEST_F(AudioTest, PlayOnActive) {
+	component.active = false;
+	component.play_on_awake = true;
+	system.update();
+
+	{
+		InSequence seq;
+
+		EXPECT_CALL(context, play(_)).Times(1);
+		component.active = true;
+		system.update();
+	}
+}
+
+TEST_F(AudioTest, PlayImmediately) {
+	component.play_on_awake = false;
+	component.play();
+
+	EXPECT_CALL(context, play(_)).Times(1);
+
+	system.update();
+}
diff --git a/src/test/CMakeLists.txt b/src/test/CMakeLists.txt
index c9cbac5..7196404 100644
--- a/src/test/CMakeLists.txt
+++ b/src/test/CMakeLists.txt
@@ -4,7 +4,9 @@ target_sources(test_main PUBLIC
 	PhysicsTest.cpp
 	ScriptTest.cpp
 	ParticleTest.cpp
+	AudioTest.cpp
 	AssetTest.cpp
+	ResourceManagerTest.cpp
 	OptionalRefTest.cpp
 	RenderSystemTest.cpp
 	EventTest.cpp
@@ -17,4 +19,7 @@ target_sources(test_main PUBLIC
 	ScriptEventTest.cpp
 	ScriptSceneTest.cpp
 	Profiling.cpp
+	SaveManagerTest.cpp
+	ScriptSaveManagerTest.cpp
+	ScriptECSTest.cpp
 )
diff --git a/src/test/ECSTest.cpp b/src/test/ECSTest.cpp
index 3e6c61c..af2b7b0 100644
--- a/src/test/ECSTest.cpp
+++ b/src/test/ECSTest.cpp
@@ -1,6 +1,7 @@
 #include <gtest/gtest.h>
 
 #define protected public
+#define private public
 
 #include <crepe/api/GameObject.h>
 #include <crepe/api/Metadata.h>
@@ -16,6 +17,10 @@ class ECSTest : public ::testing::Test {
 
 public:
 	ComponentManager mgr{m};
+
+	class TestComponent : public Component {
+		using Component::Component;
+	};
 };
 
 TEST_F(ECSTest, createGameObject) {
@@ -387,3 +392,77 @@ TEST_F(ECSTest, resetPersistent) {
 	EXPECT_EQ(metadata.size(), 0);
 	EXPECT_EQ(transform.size(), 0);
 }
+
+TEST_F(ECSTest, IDByName) {
+	GameObject foo = mgr.new_object("foo");
+	GameObject bar = mgr.new_object("bar");
+
+	{
+		auto objects = mgr.get_objects_by_name("");
+		EXPECT_EQ(objects.size(), 0);
+	}
+
+	{
+		auto objects = mgr.get_objects_by_name("foo");
+		EXPECT_EQ(objects.size(), 1);
+		EXPECT_TRUE(objects.contains(foo.id));
+	}
+}
+
+TEST_F(ECSTest, IDByTag) {
+	GameObject foo = mgr.new_object("foo", "common tag");
+	GameObject bar = mgr.new_object("bar", "common tag");
+
+	{
+		auto objects = mgr.get_objects_by_tag("");
+		EXPECT_EQ(objects.size(), 0);
+	}
+
+	{
+		auto objects = mgr.get_objects_by_tag("common tag");
+		EXPECT_EQ(objects.size(), 2);
+		EXPECT_TRUE(objects.contains(foo.id));
+		EXPECT_TRUE(objects.contains(bar.id));
+	}
+}
+
+TEST_F(ECSTest, ComponentsByName) {
+	GameObject foo = mgr.new_object("foo");
+	foo.add_component<TestComponent>();
+	GameObject bar = mgr.new_object("bar");
+	bar.add_component<TestComponent>();
+	bar.add_component<TestComponent>();
+
+	{
+		auto objects = mgr.get_components_by_name<TestComponent>("");
+		EXPECT_EQ(objects.size(), 0);
+	}
+
+	{
+		auto objects = mgr.get_components_by_name<TestComponent>("foo");
+		EXPECT_EQ(objects.size(), 1);
+	}
+
+	{
+		auto objects = mgr.get_components_by_name<TestComponent>("bar");
+		EXPECT_EQ(objects.size(), 2);
+	}
+}
+
+TEST_F(ECSTest, ComponentsByTag) {
+	GameObject foo = mgr.new_object("foo", "common tag");
+	foo.add_component<TestComponent>();
+	GameObject bar = mgr.new_object("bar", "common tag");
+	bar.add_component<TestComponent>();
+	bar.add_component<TestComponent>();
+
+	{
+		auto objects = mgr.get_components_by_tag<TestComponent>("");
+		EXPECT_EQ(objects.size(), 0);
+	}
+
+	{
+		auto objects = mgr.get_components_by_tag<TestComponent>("common tag");
+		EXPECT_EQ(objects.size(), 3);
+	}
+}
diff --git a/src/test/ResourceManagerTest.cpp b/src/test/ResourceManagerTest.cpp
new file mode 100644
index 0000000..44a5921
--- /dev/null
+++ b/src/test/ResourceManagerTest.cpp
@@ -0,0 +1,81 @@
+#include <gtest/gtest.h>
+
+#define private public
+#define protected public
+
+#include <crepe/api/GameObject.h>
+#include <crepe/manager/ResourceManager.h>
+#include <crepe/util/Log.h>
+
+using namespace std;
+using namespace crepe;
+using namespace testing;
+
+class ResourceManagerTest : public Test {
+	Mediator mediator;
+
+public:
+	ResourceManager resource_manager{mediator};
+
+	class Unrelated : public Resource {
+		using Resource::Resource;
+	};
+
+	Asset asset_a{"asset/texture/img.png"};
+	Asset asset_b{"asset/texture/ERROR.png"};
+
+	class TestResource : public Resource {
+	public:
+		static unsigned instances;
+
+	public:
+		const unsigned instance;
+		TestResource(const Asset & src) : Resource(src), instance(this->instances++) {}
+		~TestResource() { this->instances--; }
+		bool operator==(const TestResource & other) const {
+			return this->instance == other.instance;
+		}
+	};
+
+private:
+	void SetUp() override { TestResource::instances = 0; }
+};
+unsigned ResourceManagerTest::TestResource::instances = 0;
+
+TEST_F(ResourceManagerTest, Default) {
+	TestResource & res_1 = resource_manager.get<TestResource>(asset_a);
+	TestResource & res_2 = resource_manager.get<TestResource>(asset_a);
+	TestResource & res_3 = resource_manager.get<TestResource>(asset_b);
+	TestResource & res_4 = resource_manager.get<TestResource>(asset_b);
+
+	ASSERT_EQ(res_1, res_2);
+	ASSERT_EQ(res_3, res_4);
+	EXPECT_NE(res_1, res_3);
+
+	EXPECT_EQ(TestResource::instances, 2);
+
+	resource_manager.clear();
+}
+
+TEST_F(ResourceManagerTest, Persistent) {
+	resource_manager.set_persistent(asset_a, true);
+	EXPECT_EQ(TestResource::instances, 0);
+
+	resource_manager.get<TestResource>(asset_a);
+	resource_manager.get<TestResource>(asset_a);
+	resource_manager.get<TestResource>(asset_b);
+	resource_manager.get<TestResource>(asset_b);
+	EXPECT_EQ(TestResource::instances, 2);
+
+	resource_manager.clear();
+	EXPECT_EQ(TestResource::instances, 1);
+
+	resource_manager.clear_all();
+	EXPECT_EQ(TestResource::instances, 0);
+}
+
+TEST_F(ResourceManagerTest, UnmatchedType) {
+	EXPECT_NO_THROW({ resource_manager.get<TestResource>(asset_a); });
+
+	EXPECT_THROW({ resource_manager.get<Unrelated>(asset_a); }, runtime_error);
+}
diff --git a/src/test/SaveManagerTest.cpp b/src/test/SaveManagerTest.cpp
new file mode 100644
index 0000000..e9b0c29
--- /dev/null
+++ b/src/test/SaveManagerTest.cpp
@@ -0,0 +1,40 @@
+#include <gtest/gtest.h>
+
+#include <crepe/ValueBroker.h>
+#include <crepe/facade/DB.h>
+#include <crepe/manager/SaveManager.h>
+
+using namespace std;
+using namespace crepe;
+using namespace testing;
+
+class SaveManagerTest : public Test {
+	Mediator m;
+	class TestSaveManager : public SaveManager {
+		using SaveManager::SaveManager;
+
+		// in-memory database for testing
+		DB db{};
+		virtual DB & get_db() override { return this->db; }
+	};
+
+public:
+	TestSaveManager mgr{m};
+};
+
+TEST_F(SaveManagerTest, ReadWrite) {
+	ASSERT_FALSE(mgr.has("foo"));
+	mgr.set<string>("foo", "bar");
+	ASSERT_TRUE(mgr.has("foo"));
+
+	ValueBroker value = mgr.get<string>("foo");
+	EXPECT_EQ(value.get(), "bar");
+}
+
+TEST_F(SaveManagerTest, DefaultValue) {
+	ValueBroker value = mgr.get<int>("foo", 3);
+
+	ASSERT_EQ(value.get(), 3);
+	value.set(5);
+	ASSERT_EQ(value.get(), 5);
+}
diff --git a/src/test/ScriptECSTest.cpp b/src/test/ScriptECSTest.cpp
new file mode 100644
index 0000000..1ec33ba
--- /dev/null
+++ b/src/test/ScriptECSTest.cpp
@@ -0,0 +1,41 @@
+#include <gtest/gtest.h>
+
+#define protected public
+
+#include <crepe/api/BehaviorScript.h>
+#include <crepe/api/GameObject.h>
+#include <crepe/api/Metadata.h>
+#include <crepe/api/Script.h>
+#include <crepe/manager/ComponentManager.h>
+#include <crepe/system/ScriptSystem.h>
+
+#include "ScriptTest.h"
+
+using namespace std;
+using namespace crepe;
+using namespace testing;
+
+class ScriptECSTest : public ScriptTest {
+public:
+	class TestComponent : public Component {
+		using Component::Component;
+	};
+};
+
+TEST_F(ScriptECSTest, GetOwnComponent) {
+	MyScript & script = this->script;
+	Metadata & metadata = script.get_component<Metadata>();
+
+	EXPECT_EQ(metadata.name, OBJ_NAME);
+}
+
+TEST_F(ScriptECSTest, GetOwnComponents) {
+	const unsigned COUNT = 4;
+
+	for (unsigned i = 0; i < COUNT; i++) entity.add_component<TestComponent>();
+
+	MyScript & script = this->script;
+	RefVector<TestComponent> components = script.get_components<TestComponent>();
+
+	EXPECT_EQ(components.size(), COUNT);
+}
diff --git a/src/test/ScriptEventTest.cpp b/src/test/ScriptEventTest.cpp
index 5da31e7..c1b4028 100644
--- a/src/test/ScriptEventTest.cpp
+++ b/src/test/ScriptEventTest.cpp
@@ -26,7 +26,7 @@ public:
 	class MyEvent : public Event {};
 };
 
-TEST_F(ScriptEventTest, Inactive) {
+TEST_F(ScriptEventTest, Default) {
 	BehaviorScript & behaviorscript = this->behaviorscript;
 	MyScript & script = this->script;
 	EventManager & evmgr = this->event_manager;
diff --git a/src/test/ScriptSaveManagerTest.cpp b/src/test/ScriptSaveManagerTest.cpp
new file mode 100644
index 0000000..64403c4
--- /dev/null
+++ b/src/test/ScriptSaveManagerTest.cpp
@@ -0,0 +1,35 @@
+#include <gtest/gtest.h>
+
+// stupid hack to allow access to private/protected members under test
+#define private public
+#define protected public
+
+#include <crepe/facade/DB.h>
+#include <crepe/manager/SaveManager.h>
+
+#include "ScriptTest.h"
+
+using namespace std;
+using namespace crepe;
+using namespace testing;
+
+class ScriptSaveManagerTest : public ScriptTest {
+public:
+	class TestSaveManager : public SaveManager {
+		using SaveManager::SaveManager;
+
+		// in-memory database for testing
+		DB db{};
+		virtual DB & get_db() override { return this->db; }
+	};
+
+	TestSaveManager save_mgr{mediator};
+};
+
+TEST_F(ScriptSaveManagerTest, GetSaveManager) {
+	MyScript & script = this->script;
+
+	SaveManager & mgr = script.get_save_manager();
+
+	EXPECT_EQ(&mgr, &save_mgr);
+}
diff --git a/src/test/ScriptSceneTest.cpp b/src/test/ScriptSceneTest.cpp
index 9ee1e52..2568049 100644
--- a/src/test/ScriptSceneTest.cpp
+++ b/src/test/ScriptSceneTest.cpp
@@ -18,7 +18,7 @@ public:
 	class MyScene : public Scene {};
 };
 
-TEST_F(ScriptSceneTest, Inactive) {
+TEST_F(ScriptSceneTest, Default) {
 	BehaviorScript & behaviorscript = this->behaviorscript;
 	MyScript & script = this->script;
 
diff --git a/src/test/ScriptTest.cpp b/src/test/ScriptTest.cpp
index 1d2d6dd..acdae70 100644
--- a/src/test/ScriptTest.cpp
+++ b/src/test/ScriptTest.cpp
@@ -6,7 +6,6 @@
 #define protected public
 
 #include "ScriptTest.h"
-#include <crepe/api/GameObject.h>
 
 using namespace std;
 using namespace crepe;
@@ -14,7 +13,6 @@ using namespace testing;
 
 void ScriptTest::SetUp() {
 	auto & mgr = this->component_manager;
-	GameObject entity = mgr.new_object("name");
 	BehaviorScript & component = entity.add_component<BehaviorScript>();
 
 	this->behaviorscript = component;
diff --git a/src/test/ScriptTest.h b/src/test/ScriptTest.h
index 1bbfdd3..309e016 100644
--- a/src/test/ScriptTest.h
+++ b/src/test/ScriptTest.h
@@ -11,10 +11,12 @@
 class ScriptTest : public testing::Test {
 protected:
 	crepe::Mediator mediator;
+	static constexpr const char * OBJ_NAME = "foo";
 
 public:
 	crepe::ComponentManager component_manager{mediator};
 	crepe::ScriptSystem system{mediator};
+	crepe::GameObject entity = component_manager.new_object(OBJ_NAME);
 
 	class MyScript : public crepe::Script {
 		// NOTE: explicitly stating `public:` is not required on actual scripts
diff --git a/src/test/Vector2Test.cpp b/src/test/Vector2Test.cpp
index 17bca41..1e21af9 100644
--- a/src/test/Vector2Test.cpp
+++ b/src/test/Vector2Test.cpp
@@ -382,3 +382,151 @@ TEST_F(Vector2Test, NotEquals) {
 	EXPECT_FALSE(long_vec1 != long_vec1);
 	EXPECT_TRUE(long_vec1 != long_vec2);
 }
+
+TEST_F(Vector2Test, Truncate) {
+	Vector2<int> vec = {3, 4};
+	vec.truncate(3);
+	EXPECT_EQ(vec.x, 0);
+	EXPECT_EQ(vec.y, 0);
+
+	Vector2<double> vec2 = {3.0, 4.0};
+	vec2.truncate(3.0);
+	EXPECT_FLOAT_EQ(vec2.x, 1.8);
+	EXPECT_FLOAT_EQ(vec2.y, 2.4);
+
+	Vector2<long> vec3 = {3, 4};
+	vec3.truncate(3);
+	EXPECT_EQ(vec3.x, 0);
+	EXPECT_EQ(vec3.y, 0);
+
+	Vector2<float> vec4 = {3.0f, 4.0f};
+	vec4.truncate(3.0f);
+	EXPECT_FLOAT_EQ(vec4.x, 1.8f);
+	EXPECT_FLOAT_EQ(vec4.y, 2.4f);
+}
+
+TEST_F(Vector2Test, Normalize) {
+	Vector2<int> vec = {3, 4};
+	vec.normalize();
+	EXPECT_EQ(vec.x, 0);
+	EXPECT_EQ(vec.y, 0);
+
+	Vector2<double> vec2 = {3.0, 4.0};
+	vec2.normalize();
+	EXPECT_FLOAT_EQ(vec2.x, 0.6);
+	EXPECT_FLOAT_EQ(vec2.y, 0.8);
+
+	Vector2<long> vec3 = {3, 4};
+	vec3.normalize();
+	EXPECT_EQ(vec3.x, 0);
+	EXPECT_EQ(vec3.y, 0);
+
+	Vector2<float> vec4 = {3.0f, 4.0f};
+	vec4.normalize();
+	EXPECT_FLOAT_EQ(vec4.x, 0.6f);
+	EXPECT_FLOAT_EQ(vec4.y, 0.8f);
+}
+
+TEST_F(Vector2Test, Length) {
+	Vector2<int> vec = {3, 4};
+	EXPECT_EQ(vec.length(), 5);
+
+	Vector2<double> vec2 = {3.0, 4.0};
+	EXPECT_FLOAT_EQ(vec2.length(), 5.0);
+
+	Vector2<long> vec3 = {3, 4};
+	EXPECT_EQ(vec3.length(), 5);
+
+	Vector2<float> vec4 = {3.0f, 4.0f};
+	EXPECT_FLOAT_EQ(vec4.length(), 5.0f);
+}
+
+TEST_F(Vector2Test, LengthSquared) {
+	Vector2<int> vec = {3, 4};
+	EXPECT_EQ(vec.length_squared(), 25);
+
+	Vector2<double> vec2 = {3.0, 4.0};
+	EXPECT_FLOAT_EQ(vec2.length_squared(), 25.0);
+
+	Vector2<long> vec3 = {3, 4};
+	EXPECT_EQ(vec3.length_squared(), 25);
+
+	Vector2<float> vec4 = {3.0f, 4.0f};
+	EXPECT_FLOAT_EQ(vec4.length_squared(), 25.0f);
+}
+
+TEST_F(Vector2Test, Dot) {
+	Vector2<int> vec1 = {3, 4};
+	Vector2<int> vec2 = {5, 6};
+	EXPECT_EQ(vec1.dot(vec2), 39);
+
+	Vector2<double> vec3 = {3.0, 4.0};
+	Vector2<double> vec4 = {5.0, 6.0};
+	EXPECT_FLOAT_EQ(vec3.dot(vec4), 39.0);
+
+	Vector2<long> vec5 = {3, 4};
+	Vector2<long> vec6 = {5, 6};
+	EXPECT_EQ(vec5.dot(vec6), 39);
+
+	Vector2<float> vec7 = {3.0f, 4.0f};
+	Vector2<float> vec8 = {5.0f, 6.0f};
+	EXPECT_FLOAT_EQ(vec7.dot(vec8), 39.0f);
+}
+
+TEST_F(Vector2Test, Distance) {
+	Vector2<int> vec1 = {1, 1};
+	Vector2<int> vec2 = {4, 5};
+	EXPECT_EQ(vec1.distance(vec2), 5);
+
+	Vector2<double> vec3 = {1.0, 1.0};
+	Vector2<double> vec4 = {4.0, 5.0};
+	EXPECT_FLOAT_EQ(vec3.distance(vec4), 5.0);
+
+	Vector2<long> vec5 = {1, 1};
+	Vector2<long> vec6 = {4, 5};
+	EXPECT_EQ(vec5.distance(vec6), 5);
+
+	Vector2<float> vec7 = {1.0f, 1.0f};
+	Vector2<float> vec8 = {4.0f, 5.0f};
+	EXPECT_FLOAT_EQ(vec7.distance(vec8), 5.0f);
+}
+
+TEST_F(Vector2Test, DistanceSquared) {
+	Vector2<int> vec1 = {3, 4};
+	Vector2<int> vec2 = {5, 6};
+	EXPECT_EQ(vec1.distance_squared(vec2), 8);
+
+	Vector2<double> vec3 = {3.0, 4.0};
+	Vector2<double> vec4 = {5.0, 6.0};
+	EXPECT_FLOAT_EQ(vec3.distance_squared(vec4), 8.0);
+
+	Vector2<long> vec5 = {3, 4};
+	Vector2<long> vec6 = {5, 6};
+	EXPECT_EQ(vec5.distance_squared(vec6), 8);
+
+	Vector2<float> vec7 = {3.0f, 4.0f};
+	Vector2<float> vec8 = {5.0f, 6.0f};
+	EXPECT_FLOAT_EQ(vec7.distance_squared(vec8), 8.0f);
+}
+
+TEST_F(Vector2Test, Perpendicular) {
+	Vector2<int> vec = {3, 4};
+	Vector2<int> result = vec.perpendicular();
+	EXPECT_EQ(result.x, -4);
+	EXPECT_EQ(result.y, 3);
+
+	Vector2<double> vec2 = {3.0, 4.0};
+	Vector2<double> result2 = vec2.perpendicular();
+	EXPECT_FLOAT_EQ(result2.x, -4.0);
+	EXPECT_FLOAT_EQ(result2.y, 3.0);
+
+	Vector2<long> vec3 = {3, 4};
+	Vector2<long> result3 = vec3.perpendicular();
+	EXPECT_EQ(result3.x, -4);
+	EXPECT_EQ(result3.y, 3);
+
+	Vector2<float> vec4 = {3.0f, 4.0f};
+	Vector2<float> result4 = vec4.perpendicular();
+	EXPECT_FLOAT_EQ(result4.x, -4.0f);
+	EXPECT_FLOAT_EQ(result4.y, 3.0f);
+}
diff --git a/src/test/main.cpp b/src/test/main.cpp
index aece72d..ed2aed5 100644
--- a/src/test/main.cpp
+++ b/src/test/main.cpp
@@ -1,9 +1,5 @@
-#include <gtest/gtest.h>
-
-#define protected public
-#define private public
-
 #include <crepe/api/Config.h>
+#include <gtest/gtest.h>
 
 using namespace crepe;
 using namespace testing;
@@ -11,12 +7,14 @@ using namespace testing;
 class GlobalConfigReset : public EmptyTestEventListener {
 public:
 	Config & cfg = Config::get_instance();
-	Config cfg_default = Config();
 
 	// This function is called before each test
 	void OnTestStart(const TestInfo &) override {
-		cfg = cfg_default;
-		cfg.log.level = Log::Level::WARNING;
+		cfg = {
+			.log = {
+				.level = Log::Level::WARNING,
+			},
+		};
 	}
 };