XCEngine/tests/scripting/test_mono_script_runtime.cpp

#include <gtest/gtest.h>

#include <XCEngine/Components/CameraComponent.h>
#include <XCEngine/Components/LightComponent.h>
#include <XCEngine/Components/MeshFilterComponent.h>
#include <XCEngine/Components/MeshRendererComponent.h>
#include <XCEngine/Debug/ILogSink.h>
#include <XCEngine/Debug/Logger.h>
#include <XCEngine/Core/Math/Vector2.h>
#include <XCEngine/Core/Math/Vector3.h>
#include <XCEngine/Core/Math/Vector4.h>
#include <XCEngine/Input/InputManager.h>
#include <XCEngine/Input/InputTypes.h>
#include <XCEngine/Scene/Scene.h>
#include <XCEngine/Scripting/Mono/MonoScriptRuntime.h>
#include <XCEngine/Scripting/ScriptComponent.h>
#include <XCEngine/Scripting/ScriptEngine.h>

#include <algorithm>
#include <cstdint>
#include <memory>
#include <string>
#include <vector>

using namespace XCEngine::Components;
using namespace XCEngine::Scripting;

namespace {

void ExpectVector3Near(const XCEngine::Math::Vector3& actual, const XCEngine::Math::Vector3& expected, float tolerance = 0.001f) {
    EXPECT_NEAR(actual.x, expected.x, tolerance);
    EXPECT_NEAR(actual.y, expected.y, tolerance);
    EXPECT_NEAR(actual.z, expected.z, tolerance);
}

class CapturingLogSink final : public XCEngine::Debug::ILogSink {
public:
    void Log(const XCEngine::Debug::LogEntry& entry) override {
        entries.push_back(entry);
    }

    void Flush() override {
    }

    std::vector<std::string> CollectMessagesWithPrefix(const char* prefix) const {
        std::vector<std::string> messages;
        for (const XCEngine::Debug::LogEntry& entry : entries) {
            const std::string message = entry.message.CStr();
            if (message.rfind(prefix, 0) == 0) {
                messages.push_back(message);
            }
        }

        return messages;
    }

    std::vector<XCEngine::Debug::LogEntry> entries;
};

ScriptComponent* FindScriptComponentByClass(GameObject* gameObject, const std::string& namespaceName, const std::string& className) {
    if (!gameObject) {
        return nullptr;
    }

    for (ScriptComponent* component : gameObject->GetComponents<ScriptComponent>()) {
        if (!component) {
            continue;
        }

        if (component->GetNamespaceName() == namespaceName && component->GetClassName() == className) {
            return component;
        }
    }

    return nullptr;
}

MonoScriptRuntime::Settings CreateMonoSettings() {
    MonoScriptRuntime::Settings settings;
    settings.assemblyDirectory = XCENGINE_TEST_MANAGED_OUTPUT_DIR;
    settings.corlibDirectory = XCENGINE_TEST_MANAGED_OUTPUT_DIR;
    settings.coreAssemblyPath = XCENGINE_TEST_SCRIPT_CORE_DLL;
    settings.appAssemblyPath = XCENGINE_TEST_GAME_SCRIPTS_DLL;
    return settings;
}

class MonoScriptRuntimeTest : public ::testing::Test {
protected:
    void SetUp() override {
        engine = &ScriptEngine::Get();
        engine->OnRuntimeStop();
        engine->SetRuntimeFixedDeltaTime(ScriptEngine::DefaultFixedDeltaTime);
        XCEngine::Input::InputManager::Get().Shutdown();

        runtime = std::make_unique<MonoScriptRuntime>(CreateMonoSettings());
        ASSERT_TRUE(runtime->Initialize()) << runtime->GetLastError();

        engine->SetRuntime(runtime.get());
    }

    void TearDown() override {
        engine->OnRuntimeStop();
        engine->SetRuntime(nullptr);
        XCEngine::Input::InputManager::Get().Shutdown();
        runtime.reset();
        scene.reset();
    }

    Scene* CreateScene(const std::string& sceneName) {
        scene = std::make_unique<Scene>(sceneName);
        return scene.get();
    }

    ScriptComponent* AddScript(GameObject* gameObject, const std::string& namespaceName, const std::string& className) {
        ScriptComponent* component = gameObject->AddComponent<ScriptComponent>();
        component->SetScriptClass("GameScripts", namespaceName, className);
        return component;
    }

    ScriptEngine* engine = nullptr;
    std::unique_ptr<MonoScriptRuntime> runtime;
    std::unique_ptr<Scene> scene;
};

TEST_F(MonoScriptRuntimeTest, InitializesAndDiscoversConcreteMonoBehaviourClasses) {
    const std::vector<std::string> classNames = runtime->GetScriptClassNames("GameScripts");

    EXPECT_TRUE(runtime->IsInitialized());
    EXPECT_TRUE(runtime->IsClassAvailable("GameScripts", "Gameplay", "LifecycleProbe"));
    EXPECT_NE(std::find(classNames.begin(), classNames.end(), "Gameplay.LifecycleProbe"), classNames.end());
    EXPECT_EQ(std::find(classNames.begin(), classNames.end(), "Gameplay.AbstractLifecycleProbe"), classNames.end());
    EXPECT_EQ(std::find(classNames.begin(), classNames.end(), "Gameplay.UtilityHelper"), classNames.end());
}

TEST_F(MonoScriptRuntimeTest, ScriptClassDescriptorApiReturnsConcreteManagedTypes) {
    std::vector<ScriptClassDescriptor> classes;
    ASSERT_TRUE(runtime->TryGetAvailableScriptClasses(classes));
    ASSERT_FALSE(classes.empty());

    EXPECT_TRUE(std::is_sorted(
        classes.begin(),
        classes.end(),
        [](const ScriptClassDescriptor& lhs, const ScriptClassDescriptor& rhs) {
            if (lhs.assemblyName != rhs.assemblyName) {
                return lhs.assemblyName < rhs.assemblyName;
            }
            if (lhs.namespaceName != rhs.namespaceName) {
                return lhs.namespaceName < rhs.namespaceName;
            }
            return lhs.className < rhs.className;
        }));

    EXPECT_NE(
        std::find(
            classes.begin(),
            classes.end(),
            ScriptClassDescriptor{"GameScripts", "Gameplay", "LifecycleProbe"}),
        classes.end());
    EXPECT_EQ(
        std::find(
            classes.begin(),
            classes.end(),
            ScriptClassDescriptor{"GameScripts", "Gameplay", "AbstractLifecycleProbe"}),
        classes.end());
    EXPECT_EQ(
        std::find(
            classes.begin(),
            classes.end(),
            ScriptClassDescriptor{"GameScripts", "Gameplay", "UtilityHelper"}),
        classes.end());
}

TEST_F(MonoScriptRuntimeTest, ClassFieldMetadataListsSupportedPublicInstanceFields) {
    std::vector<ScriptFieldMetadata> fields;

    EXPECT_TRUE(runtime->TryGetClassFieldMetadata("GameScripts", "Gameplay", "FieldMetadataProbe", fields));

    const std::vector<ScriptFieldMetadata> expected = {
        {"Health", ScriptFieldType::Int32},
        {"Label", ScriptFieldType::String},
        {"SpawnPoint", ScriptFieldType::Vector3},
        {"Speed", ScriptFieldType::Float},
        {"Target", ScriptFieldType::GameObject},
    };

    EXPECT_EQ(fields, expected);
}

TEST_F(MonoScriptRuntimeTest, ClassFieldMetadataQueryFailsForUnknownClass) {
    std::vector<ScriptFieldMetadata> fields = {
        {"Sentinel", ScriptFieldType::Bool},
    };

    EXPECT_FALSE(runtime->TryGetClassFieldMetadata("GameScripts", "Gameplay", "MissingProbe", fields));
    EXPECT_TRUE(fields.empty());
}

TEST_F(MonoScriptRuntimeTest, ClassFieldDefaultValueQueryReturnsManagedInitializers) {
    std::vector<ScriptFieldDefaultValue> fields;

    EXPECT_TRUE(runtime->TryGetClassFieldDefaultValues("GameScripts", "Gameplay", "RuntimeGameObjectProbe", fields));

    const auto fieldIt = std::find_if(
        fields.begin(),
        fields.end(),
        [](const ScriptFieldDefaultValue& field) {
            return field.fieldName == "ObservedRootChildCountAfterDestroy";
        });

    ASSERT_NE(fieldIt, fields.end());
    EXPECT_EQ(fieldIt->type, ScriptFieldType::Int32);
    EXPECT_EQ(std::get<int32_t>(fieldIt->value), -1);
}

TEST_F(MonoScriptRuntimeTest, ScriptEngineAppliesStoredFieldsAndInvokesLifecycleMethods) {
    Scene* runtimeScene = CreateScene("MonoRuntimeScene");
    GameObject* host = runtimeScene->CreateGameObject("Host");
    GameObject* target = runtimeScene->CreateGameObject("Target");
    ScriptComponent* component = AddScript(host, "Gameplay", "LifecycleProbe");

    component->GetFieldStorage().SetFieldValue("Speed", 5.0f);
    component->GetFieldStorage().SetFieldValue("Label", "Configured");
    component->GetFieldStorage().SetFieldValue("Target", GameObjectReference{target->GetUUID()});
    component->GetFieldStorage().SetFieldValue("SpawnPoint", XCEngine::Math::Vector3(2.0f, 4.0f, 6.0f));

    engine->OnRuntimeStart(runtimeScene);
    engine->OnFixedUpdate(0.02f);
    engine->OnUpdate(0.016f);
    engine->OnLateUpdate(0.016f);

    EXPECT_TRUE(runtime->HasManagedInstance(component));
    EXPECT_EQ(runtime->GetManagedInstanceCount(), 1u);

    int32_t awakeCount = 0;
    int32_t enableCount = 0;
    int32_t startCount = 0;
    int32_t fixedUpdateCount = 0;
    int32_t updateCount = 0;
    int32_t lateUpdateCount = 0;
    bool wasAwakened = false;
    bool warningLogged = false;
    bool errorLogged = false;
    bool hasTransform = false;
    bool transformLookupSucceeded = false;
    bool hasUnsupportedComponent = true;
    bool unsupportedComponentLookupReturnedNull = false;
    bool targetResolved = false;
    bool rotationAccessed = false;
    bool scaleAccessed = false;
    bool transformAccessed = false;
    bool observedEnabled = false;
    bool observedActiveSelf = false;
    bool observedActiveInHierarchy = false;
    bool observedIsActiveAndEnabled = false;
    float speed = 0.0f;
    float observedFixedDeltaTime = 0.0f;
    float observedConfiguredFixedDeltaTime = 0.0f;
    float observedConfiguredFixedDeltaTimeInUpdate = 0.0f;
    float observedUpdateDeltaTime = 0.0f;
    float observedLateDeltaTime = 0.0f;
    std::string label;
    std::string observedGameObjectName;
    std::string observedTargetName;
    GameObjectReference targetReference;
    GameObjectReference selfReference;
    XCEngine::Math::Vector4 observedLocalRotation;
    XCEngine::Math::Vector3 observedLocalPosition;
    XCEngine::Math::Vector3 observedLocalScale;
    XCEngine::Math::Vector3 spawnPoint;

    EXPECT_TRUE(runtime->TryGetFieldValue(component, "AwakeCount", awakeCount));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "EnableCount", enableCount));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "StartCount", startCount));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "FixedUpdateCount", fixedUpdateCount));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "UpdateCount", updateCount));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "LateUpdateCount", lateUpdateCount));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "WasAwakened", wasAwakened));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "WarningLogged", warningLogged));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ErrorLogged", errorLogged));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "HasTransform", hasTransform));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "TransformLookupSucceeded", transformLookupSucceeded));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "HasUnsupportedComponent", hasUnsupportedComponent));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "UnsupportedComponentLookupReturnedNull", unsupportedComponentLookupReturnedNull));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "TargetResolved", targetResolved));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "RotationAccessed", rotationAccessed));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ScaleAccessed", scaleAccessed));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "TransformAccessed", transformAccessed));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedEnabled", observedEnabled));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedActiveSelf", observedActiveSelf));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedActiveInHierarchy", observedActiveInHierarchy));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedIsActiveAndEnabled", observedIsActiveAndEnabled));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "Speed", speed));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedFixedDeltaTime", observedFixedDeltaTime));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedConfiguredFixedDeltaTime", observedConfiguredFixedDeltaTime));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedConfiguredFixedDeltaTimeInUpdate", observedConfiguredFixedDeltaTimeInUpdate));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedUpdateDeltaTime", observedUpdateDeltaTime));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedLateDeltaTime", observedLateDeltaTime));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "Label", label));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedGameObjectName", observedGameObjectName));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedTargetName", observedTargetName));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "Target", targetReference));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "SelfReference", selfReference));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedLocalRotation", observedLocalRotation));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedLocalPosition", observedLocalPosition));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedLocalScale", observedLocalScale));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "SpawnPoint", spawnPoint));

    EXPECT_EQ(awakeCount, 1);
    EXPECT_EQ(enableCount, 1);
    EXPECT_EQ(startCount, 1);
    EXPECT_EQ(fixedUpdateCount, 1);
    EXPECT_EQ(updateCount, 1);
    EXPECT_EQ(lateUpdateCount, 1);
    EXPECT_TRUE(wasAwakened);
    EXPECT_TRUE(warningLogged);
    EXPECT_TRUE(errorLogged);
    EXPECT_TRUE(hasTransform);
    EXPECT_TRUE(transformLookupSucceeded);
    EXPECT_FALSE(hasUnsupportedComponent);
    EXPECT_TRUE(unsupportedComponentLookupReturnedNull);
    EXPECT_TRUE(targetResolved);
    EXPECT_TRUE(rotationAccessed);
    EXPECT_TRUE(scaleAccessed);
    EXPECT_TRUE(transformAccessed);
    EXPECT_TRUE(observedEnabled);
    EXPECT_TRUE(observedActiveSelf);
    EXPECT_TRUE(observedActiveInHierarchy);
    EXPECT_TRUE(observedIsActiveAndEnabled);
    EXPECT_FLOAT_EQ(speed, 6.0f);
    EXPECT_FLOAT_EQ(observedFixedDeltaTime, 0.02f);
    EXPECT_FLOAT_EQ(observedConfiguredFixedDeltaTime, 0.02f);
    EXPECT_FLOAT_EQ(observedConfiguredFixedDeltaTimeInUpdate, 0.02f);
    EXPECT_FLOAT_EQ(observedUpdateDeltaTime, 0.016f);
    EXPECT_FLOAT_EQ(observedLateDeltaTime, 0.016f);
    EXPECT_EQ(label, "Configured|Awake");
    EXPECT_EQ(observedGameObjectName, "Host_Managed");
    EXPECT_EQ(observedTargetName, "Target");
    EXPECT_EQ(targetReference, GameObjectReference{target->GetUUID()});
    EXPECT_EQ(selfReference, GameObjectReference{host->GetUUID()});
    EXPECT_EQ(observedLocalRotation, XCEngine::Math::Vector4(0.0f, 0.5f, 0.0f, 0.8660254f));
    EXPECT_EQ(observedLocalPosition, XCEngine::Math::Vector3(8.0f, 8.0f, 9.0f));
    EXPECT_EQ(observedLocalScale, XCEngine::Math::Vector3(3.0f, 3.0f, 4.0f));
    EXPECT_EQ(spawnPoint, XCEngine::Math::Vector3(3.0f, 4.0f, 6.0f));
    EXPECT_EQ(host->GetName(), "Host_Managed");
    EXPECT_EQ(host->GetTransform()->GetLocalPosition(), XCEngine::Math::Vector3(8.0f, 8.0f, 9.0f));
    EXPECT_EQ(host->GetTransform()->GetLocalScale(), XCEngine::Math::Vector3(3.0f, 3.0f, 4.0f));

    const XCEngine::Math::Quaternion& localRotation = host->GetTransform()->GetLocalRotation();
    EXPECT_FLOAT_EQ(localRotation.x, 0.0f);
    EXPECT_FLOAT_EQ(localRotation.y, 0.5f);
    EXPECT_FLOAT_EQ(localRotation.z, 0.0f);
    EXPECT_FLOAT_EQ(localRotation.w, 0.8660254f);
}

TEST_F(MonoScriptRuntimeTest, TimeFixedDeltaTimeUsesConfiguredRuntimeStepAcrossFixedAndVariableUpdates) {
    Scene* runtimeScene = CreateScene("MonoRuntimeScene");
    GameObject* host = runtimeScene->CreateGameObject("Host");
    ScriptComponent* component = AddScript(host, "Gameplay", "LifecycleProbe");

    engine->SetRuntimeFixedDeltaTime(0.05f);
    engine->OnRuntimeStart(runtimeScene);
    engine->OnFixedUpdate(0.05f);
    engine->OnUpdate(0.016f);

    float observedFixedDeltaTime = 0.0f;
    float observedConfiguredFixedDeltaTime = 0.0f;
    float observedConfiguredFixedDeltaTimeInUpdate = 0.0f;
    float observedUpdateDeltaTime = 0.0f;

    ASSERT_TRUE(runtime->TryGetFieldValue(component, "ObservedFixedDeltaTime", observedFixedDeltaTime));
    ASSERT_TRUE(runtime->TryGetFieldValue(component, "ObservedConfiguredFixedDeltaTime", observedConfiguredFixedDeltaTime));
    ASSERT_TRUE(runtime->TryGetFieldValue(component, "ObservedConfiguredFixedDeltaTimeInUpdate", observedConfiguredFixedDeltaTimeInUpdate));
    ASSERT_TRUE(runtime->TryGetFieldValue(component, "ObservedUpdateDeltaTime", observedUpdateDeltaTime));

    EXPECT_FLOAT_EQ(observedFixedDeltaTime, 0.05f);
    EXPECT_FLOAT_EQ(observedConfiguredFixedDeltaTime, 0.05f);
    EXPECT_FLOAT_EQ(observedConfiguredFixedDeltaTimeInUpdate, 0.05f);
    EXPECT_FLOAT_EQ(observedUpdateDeltaTime, 0.016f);
}

TEST_F(MonoScriptRuntimeTest, ManagedInputApiReadsCurrentNativeInputManagerState) {
    XCEngine::Input::InputManager& inputManager = XCEngine::Input::InputManager::Get();
    inputManager.Initialize(nullptr);

    Scene* runtimeScene = CreateScene("MonoRuntimeScene");
    GameObject* host = runtimeScene->CreateGameObject("Host");
    ScriptComponent* component = AddScript(host, "Gameplay", "InputProbe");

    engine->OnRuntimeStart(runtimeScene);

    inputManager.ProcessKeyDown(XCEngine::Input::KeyCode::A, false, false, false, false, false);
    inputManager.ProcessKeyDown(XCEngine::Input::KeyCode::Space, false, false, false, false, false);
    inputManager.ProcessKeyDown(XCEngine::Input::KeyCode::LeftCtrl, false, false, false, false, false);
    inputManager.ProcessMouseButton(XCEngine::Input::MouseButton::Left, true, 120, 48);
    inputManager.ProcessMouseMove(120, 48, 3, -2);
    inputManager.ProcessMouseWheel(1.0f, 120, 48);
    engine->OnUpdate(0.016f);

    int32_t updateCount = 0;
    bool observedKeyA = false;
    bool observedKeyADown = false;
    bool observedKeyAUp = false;
    bool observedKeySpace = false;
    bool observedJump = false;
    bool observedJumpDown = false;
    bool observedJumpUp = false;
    bool observedFire1 = false;
    bool observedFire1Down = false;
    bool observedFire1Up = false;
    bool observedAnyKey = false;
    bool observedAnyKeyDown = false;
    bool observedLeftMouse = false;
    bool observedLeftMouseDown = false;
    bool observedLeftMouseUp = false;
    float observedHorizontal = 0.0f;
    float observedHorizontalRaw = 0.0f;
    XCEngine::Math::Vector2 observedMouseScrollDelta;
    XCEngine::Math::Vector3 observedMousePosition;

    EXPECT_TRUE(runtime->TryGetFieldValue(component, "UpdateCount", updateCount));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedKeyA", observedKeyA));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedKeyADown", observedKeyADown));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedKeyAUp", observedKeyAUp));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedKeySpace", observedKeySpace));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedJump", observedJump));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedJumpDown", observedJumpDown));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedJumpUp", observedJumpUp));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedFire1", observedFire1));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedFire1Down", observedFire1Down));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedFire1Up", observedFire1Up));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedAnyKey", observedAnyKey));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedAnyKeyDown", observedAnyKeyDown));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedLeftMouse", observedLeftMouse));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedLeftMouseDown", observedLeftMouseDown));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedLeftMouseUp", observedLeftMouseUp));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedHorizontal", observedHorizontal));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedHorizontalRaw", observedHorizontalRaw));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedMousePosition", observedMousePosition));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedMouseScrollDelta", observedMouseScrollDelta));

    EXPECT_EQ(updateCount, 1);
    EXPECT_TRUE(observedKeyA);
    EXPECT_TRUE(observedKeyADown);
    EXPECT_FALSE(observedKeyAUp);
    EXPECT_TRUE(observedKeySpace);
    EXPECT_TRUE(observedJump);
    EXPECT_TRUE(observedJumpDown);
    EXPECT_FALSE(observedJumpUp);
    EXPECT_TRUE(observedFire1);
    EXPECT_TRUE(observedFire1Down);
    EXPECT_FALSE(observedFire1Up);
    EXPECT_TRUE(observedAnyKey);
    EXPECT_TRUE(observedAnyKeyDown);
    EXPECT_TRUE(observedLeftMouse);
    EXPECT_TRUE(observedLeftMouseDown);
    EXPECT_FALSE(observedLeftMouseUp);
    EXPECT_FLOAT_EQ(observedHorizontal, -1.0f);
    EXPECT_FLOAT_EQ(observedHorizontalRaw, -1.0f);
    EXPECT_EQ(observedMousePosition, XCEngine::Math::Vector3(120.0f, 48.0f, 0.0f));
    EXPECT_EQ(observedMouseScrollDelta, XCEngine::Math::Vector2(0.0f, 1.0f));

    inputManager.Update(0.016f);
    engine->OnUpdate(0.016f);

    EXPECT_TRUE(runtime->TryGetFieldValue(component, "UpdateCount", updateCount));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedKeyA", observedKeyA));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedKeyADown", observedKeyADown));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedKeyAUp", observedKeyAUp));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedJump", observedJump));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedJumpDown", observedJumpDown));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedJumpUp", observedJumpUp));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedFire1", observedFire1));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedFire1Down", observedFire1Down));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedFire1Up", observedFire1Up));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedAnyKey", observedAnyKey));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedAnyKeyDown", observedAnyKeyDown));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedLeftMouse", observedLeftMouse));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedLeftMouseDown", observedLeftMouseDown));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedLeftMouseUp", observedLeftMouseUp));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedHorizontalRaw", observedHorizontalRaw));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedMouseScrollDelta", observedMouseScrollDelta));

    EXPECT_EQ(updateCount, 2);
    EXPECT_TRUE(observedKeyA);
    EXPECT_FALSE(observedKeyADown);
    EXPECT_FALSE(observedKeyAUp);
    EXPECT_TRUE(observedJump);
    EXPECT_FALSE(observedJumpDown);
    EXPECT_FALSE(observedJumpUp);
    EXPECT_TRUE(observedFire1);
    EXPECT_FALSE(observedFire1Down);
    EXPECT_FALSE(observedFire1Up);
    EXPECT_TRUE(observedAnyKey);
    EXPECT_FALSE(observedAnyKeyDown);
    EXPECT_TRUE(observedLeftMouse);
    EXPECT_FALSE(observedLeftMouseDown);
    EXPECT_FALSE(observedLeftMouseUp);
    EXPECT_FLOAT_EQ(observedHorizontalRaw, -1.0f);
    EXPECT_EQ(observedMouseScrollDelta, XCEngine::Math::Vector2(0.0f, 0.0f));

    inputManager.ProcessKeyUp(XCEngine::Input::KeyCode::A, false, false, false, false);
    inputManager.ProcessKeyUp(XCEngine::Input::KeyCode::LeftCtrl, false, false, false, false);
    inputManager.ProcessMouseButton(XCEngine::Input::MouseButton::Left, false, 120, 48);
    engine->OnUpdate(0.016f);

    EXPECT_TRUE(runtime->TryGetFieldValue(component, "UpdateCount", updateCount));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedKeyA", observedKeyA));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedKeyAUp", observedKeyAUp));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedJump", observedJump));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedJumpUp", observedJumpUp));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedFire1", observedFire1));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedFire1Up", observedFire1Up));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedAnyKey", observedAnyKey));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedAnyKeyDown", observedAnyKeyDown));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedLeftMouse", observedLeftMouse));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedLeftMouseUp", observedLeftMouseUp));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedHorizontal", observedHorizontal));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedHorizontalRaw", observedHorizontalRaw));

    EXPECT_EQ(updateCount, 3);
    EXPECT_FALSE(observedKeyA);
    EXPECT_TRUE(observedKeyAUp);
    EXPECT_TRUE(observedJump);
    EXPECT_FALSE(observedJumpUp);
    EXPECT_FALSE(observedFire1);
    EXPECT_TRUE(observedFire1Up);
    EXPECT_TRUE(observedAnyKey);
    EXPECT_FALSE(observedAnyKeyDown);
    EXPECT_FALSE(observedLeftMouse);
    EXPECT_TRUE(observedLeftMouseUp);
    EXPECT_FLOAT_EQ(observedHorizontal, 0.0f);
    EXPECT_FLOAT_EQ(observedHorizontalRaw, 0.0f);

    inputManager.Update(0.016f);
    inputManager.ProcessKeyUp(XCEngine::Input::KeyCode::Space, false, false, false, false);
    engine->OnUpdate(0.016f);

    EXPECT_TRUE(runtime->TryGetFieldValue(component, "UpdateCount", updateCount));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedKeySpace", observedKeySpace));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedJump", observedJump));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedJumpUp", observedJumpUp));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedAnyKey", observedAnyKey));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedAnyKeyDown", observedAnyKeyDown));

    EXPECT_EQ(updateCount, 4);
    EXPECT_FALSE(observedKeySpace);
    EXPECT_FALSE(observedJump);
    EXPECT_TRUE(observedJumpUp);
    EXPECT_FALSE(observedAnyKey);
    EXPECT_FALSE(observedAnyKeyDown);
}

TEST_F(MonoScriptRuntimeTest, ManagedDebugLogBridgeWritesLifecycleTickMessagesToNativeLogger) {
    auto sink = std::make_unique<CapturingLogSink>();
    CapturingLogSink* sinkPtr = sink.get();
    XCEngine::Debug::Logger::Get().AddSink(std::move(sink));

    Scene* runtimeScene = CreateScene("MonoRuntimeScene");
    GameObject* host = runtimeScene->CreateGameObject("Host");
    ScriptComponent* component = AddScript(host, "Gameplay", "TickLogProbe");
    ASSERT_NE(component, nullptr);

    engine->OnRuntimeStart(runtimeScene);
    engine->OnFixedUpdate(0.02f);
    engine->OnUpdate(0.016f);
    engine->OnLateUpdate(0.016f);

    const std::vector<std::string> messages = sinkPtr->CollectMessagesWithPrefix("[TickLogProbe]");
    const std::vector<std::string> expected = {
        "[TickLogProbe] Awake",
        "[TickLogProbe] FixedUpdate 1",
        "[TickLogProbe] Start",
        "[TickLogProbe] Update 1",
        "[TickLogProbe] LateUpdate 1",
    };

    EXPECT_EQ(messages, expected);

    XCEngine::Debug::Logger::Get().RemoveSink(sinkPtr);
}

TEST_F(MonoScriptRuntimeTest, DeserializedSceneRebindsManagedScriptsAndRestoresStoredFields) {
    Scene originalScene("SerializedMonoScene");
    GameObject* hostA = originalScene.CreateGameObject("HostA");
    GameObject* hostB = originalScene.CreateGameObject("HostB");
    GameObject* targetA = originalScene.CreateGameObject("TargetA");
    GameObject* targetB = originalScene.CreateGameObject("TargetB");

    ScriptComponent* originalComponentA = AddScript(hostA, "Gameplay", "LifecycleProbe");
    ScriptComponent* originalComponentB = AddScript(hostB, "Gameplay", "LifecycleProbe");

    originalComponentA->GetFieldStorage().SetFieldValue("Speed", 2.5f);
    originalComponentA->GetFieldStorage().SetFieldValue("Label", "Alpha");
    originalComponentA->GetFieldStorage().SetFieldValue("Target", GameObjectReference{targetA->GetUUID()});
    originalComponentA->GetFieldStorage().SetFieldValue("SpawnPoint", XCEngine::Math::Vector3(1.0f, 2.0f, 3.0f));

    originalComponentB->GetFieldStorage().SetFieldValue("Speed", 9.0f);
    originalComponentB->GetFieldStorage().SetFieldValue("Label", "Beta");
    originalComponentB->GetFieldStorage().SetFieldValue("Target", GameObjectReference{targetB->GetUUID()});
    originalComponentB->GetFieldStorage().SetFieldValue("SpawnPoint", XCEngine::Math::Vector3(4.0f, 5.0f, 6.0f));

    const uint64_t originalUUIDA = originalComponentA->GetScriptComponentUUID();
    const uint64_t originalUUIDB = originalComponentB->GetScriptComponentUUID();
    const std::string serializedScene = originalScene.SerializeToString();

    scene = std::make_unique<Scene>("LoadedMonoScene");
    scene->DeserializeFromString(serializedScene);
    Scene* runtimeScene = scene.get();

    GameObject* loadedHostA = runtimeScene->Find("HostA");
    GameObject* loadedHostB = runtimeScene->Find("HostB");
    GameObject* loadedTargetA = runtimeScene->Find("TargetA");
    GameObject* loadedTargetB = runtimeScene->Find("TargetB");
    ASSERT_NE(loadedHostA, nullptr);
    ASSERT_NE(loadedHostB, nullptr);
    ASSERT_NE(loadedTargetA, nullptr);
    ASSERT_NE(loadedTargetB, nullptr);

    ScriptComponent* loadedComponentA = FindScriptComponentByClass(loadedHostA, "Gameplay", "LifecycleProbe");
    ScriptComponent* loadedComponentB = FindScriptComponentByClass(loadedHostB, "Gameplay", "LifecycleProbe");
    ASSERT_NE(loadedComponentA, nullptr);
    ASSERT_NE(loadedComponentB, nullptr);

    EXPECT_EQ(loadedComponentA->GetScriptComponentUUID(), originalUUIDA);
    EXPECT_EQ(loadedComponentB->GetScriptComponentUUID(), originalUUIDB);

    engine->OnRuntimeStart(runtimeScene);
    engine->OnFixedUpdate(0.02f);
    engine->OnUpdate(0.016f);
    engine->OnLateUpdate(0.016f);

    EXPECT_TRUE(runtime->HasManagedInstance(loadedComponentA));
    EXPECT_TRUE(runtime->HasManagedInstance(loadedComponentB));
    EXPECT_EQ(runtime->GetManagedInstanceCount(), 2u);

    int32_t awakeCountA = 0;
    int32_t startCountA = 0;
    int32_t awakeCountB = 0;
    int32_t startCountB = 0;
    bool targetResolvedA = false;
    bool targetResolvedB = false;
    float speedA = 0.0f;
    float speedB = 0.0f;
    std::string labelA;
    std::string labelB;
    std::string observedTargetNameA;
    std::string observedTargetNameB;
    GameObjectReference targetReferenceA;
    GameObjectReference targetReferenceB;
    GameObjectReference selfReferenceA;
    GameObjectReference selfReferenceB;
    XCEngine::Math::Vector3 spawnPointA;
    XCEngine::Math::Vector3 spawnPointB;

    EXPECT_TRUE(runtime->TryGetFieldValue(loadedComponentA, "AwakeCount", awakeCountA));
    EXPECT_TRUE(runtime->TryGetFieldValue(loadedComponentA, "StartCount", startCountA));
    EXPECT_TRUE(runtime->TryGetFieldValue(loadedComponentA, "TargetResolved", targetResolvedA));
    EXPECT_TRUE(runtime->TryGetFieldValue(loadedComponentA, "Speed", speedA));
    EXPECT_TRUE(runtime->TryGetFieldValue(loadedComponentA, "Label", labelA));
    EXPECT_TRUE(runtime->TryGetFieldValue(loadedComponentA, "ObservedTargetName", observedTargetNameA));
    EXPECT_TRUE(runtime->TryGetFieldValue(loadedComponentA, "Target", targetReferenceA));
    EXPECT_TRUE(runtime->TryGetFieldValue(loadedComponentA, "SelfReference", selfReferenceA));
    EXPECT_TRUE(runtime->TryGetFieldValue(loadedComponentA, "SpawnPoint", spawnPointA));

    EXPECT_TRUE(runtime->TryGetFieldValue(loadedComponentB, "AwakeCount", awakeCountB));
    EXPECT_TRUE(runtime->TryGetFieldValue(loadedComponentB, "StartCount", startCountB));
    EXPECT_TRUE(runtime->TryGetFieldValue(loadedComponentB, "TargetResolved", targetResolvedB));
    EXPECT_TRUE(runtime->TryGetFieldValue(loadedComponentB, "Speed", speedB));
    EXPECT_TRUE(runtime->TryGetFieldValue(loadedComponentB, "Label", labelB));
    EXPECT_TRUE(runtime->TryGetFieldValue(loadedComponentB, "ObservedTargetName", observedTargetNameB));
    EXPECT_TRUE(runtime->TryGetFieldValue(loadedComponentB, "Target", targetReferenceB));
    EXPECT_TRUE(runtime->TryGetFieldValue(loadedComponentB, "SelfReference", selfReferenceB));
    EXPECT_TRUE(runtime->TryGetFieldValue(loadedComponentB, "SpawnPoint", spawnPointB));

    EXPECT_EQ(awakeCountA, 1);
    EXPECT_EQ(startCountA, 1);
    EXPECT_TRUE(targetResolvedA);
    EXPECT_FLOAT_EQ(speedA, 3.5f);
    EXPECT_EQ(labelA, "Alpha|Awake");
    EXPECT_EQ(observedTargetNameA, "TargetA");
    EXPECT_EQ(targetReferenceA, GameObjectReference{loadedTargetA->GetUUID()});
    EXPECT_EQ(selfReferenceA, GameObjectReference{loadedHostA->GetUUID()});
    EXPECT_EQ(spawnPointA, XCEngine::Math::Vector3(2.0f, 2.0f, 3.0f));

    EXPECT_EQ(awakeCountB, 1);
    EXPECT_EQ(startCountB, 1);
    EXPECT_TRUE(targetResolvedB);
    EXPECT_FLOAT_EQ(speedB, 10.0f);
    EXPECT_EQ(labelB, "Beta|Awake");
    EXPECT_EQ(observedTargetNameB, "TargetB");
    EXPECT_EQ(targetReferenceB, GameObjectReference{loadedTargetB->GetUUID()});
    EXPECT_EQ(selfReferenceB, GameObjectReference{loadedHostB->GetUUID()});
    EXPECT_EQ(spawnPointB, XCEngine::Math::Vector3(5.0f, 5.0f, 6.0f));

    EXPECT_EQ(loadedHostA->GetName(), "HostA_Managed");
    EXPECT_EQ(loadedHostB->GetName(), "HostB_Managed");
}

TEST_F(MonoScriptRuntimeTest, ManagedFieldChangesWriteBackToStoredCacheAndPersistAcrossSceneRoundTrip) {
    Scene* runtimeScene = CreateScene("MonoRuntimeScene");
    GameObject* host = runtimeScene->CreateGameObject("Host");
    GameObject* target = runtimeScene->CreateGameObject("Target");
    ScriptComponent* component = AddScript(host, "Gameplay", "LifecycleProbe");

    component->GetFieldStorage().SetFieldValue("Speed", 5.0f);
    component->GetFieldStorage().SetFieldValue("Label", "Configured");
    component->GetFieldStorage().SetFieldValue("Target", GameObjectReference{target->GetUUID()});
    component->GetFieldStorage().SetFieldValue("SpawnPoint", XCEngine::Math::Vector3(2.0f, 4.0f, 6.0f));

    engine->OnRuntimeStart(runtimeScene);
    engine->OnFixedUpdate(0.02f);
    engine->OnUpdate(0.016f);
    engine->OnLateUpdate(0.016f);

    float storedSpeed = 0.0f;
    std::string storedLabel;
    GameObjectReference storedTarget;
    XCEngine::Math::Vector3 storedSpawnPoint;

    EXPECT_TRUE(component->GetFieldStorage().TryGetFieldValue("Speed", storedSpeed));
    EXPECT_TRUE(component->GetFieldStorage().TryGetFieldValue("Label", storedLabel));
    EXPECT_TRUE(component->GetFieldStorage().TryGetFieldValue("Target", storedTarget));
    EXPECT_TRUE(component->GetFieldStorage().TryGetFieldValue("SpawnPoint", storedSpawnPoint));

    EXPECT_FLOAT_EQ(storedSpeed, 6.0f);
    EXPECT_EQ(storedLabel, "Configured|Awake");
    EXPECT_EQ(storedTarget, GameObjectReference{target->GetUUID()});
    EXPECT_EQ(storedSpawnPoint, XCEngine::Math::Vector3(3.0f, 4.0f, 6.0f));
    EXPECT_FALSE(component->GetFieldStorage().Contains("AwakeCount"));

    const std::string persistedHostName = host->GetName();
    const std::string serializedScene = runtimeScene->SerializeToString();

    engine->OnRuntimeStop();

    scene = std::make_unique<Scene>("ReloadedMonoScene");
    scene->DeserializeFromString(serializedScene);
    Scene* reloadedScene = scene.get();

    GameObject* loadedHost = reloadedScene->Find(persistedHostName);
    GameObject* loadedTarget = reloadedScene->Find("Target");
    ASSERT_NE(loadedHost, nullptr);
    ASSERT_NE(loadedTarget, nullptr);

    ScriptComponent* loadedComponent = FindScriptComponentByClass(loadedHost, "Gameplay", "LifecycleProbe");
    ASSERT_NE(loadedComponent, nullptr);

    float loadedStoredSpeed = 0.0f;
    std::string loadedStoredLabel;
    GameObjectReference loadedStoredTarget;
    XCEngine::Math::Vector3 loadedStoredSpawnPoint;

    EXPECT_TRUE(loadedComponent->GetFieldStorage().TryGetFieldValue("Speed", loadedStoredSpeed));
    EXPECT_TRUE(loadedComponent->GetFieldStorage().TryGetFieldValue("Label", loadedStoredLabel));
    EXPECT_TRUE(loadedComponent->GetFieldStorage().TryGetFieldValue("Target", loadedStoredTarget));
    EXPECT_TRUE(loadedComponent->GetFieldStorage().TryGetFieldValue("SpawnPoint", loadedStoredSpawnPoint));

    EXPECT_FLOAT_EQ(loadedStoredSpeed, 6.0f);
    EXPECT_EQ(loadedStoredLabel, "Configured|Awake");
    EXPECT_EQ(loadedStoredTarget, GameObjectReference{loadedTarget->GetUUID()});
    EXPECT_EQ(loadedStoredSpawnPoint, XCEngine::Math::Vector3(3.0f, 4.0f, 6.0f));
    EXPECT_FALSE(loadedComponent->GetFieldStorage().Contains("AwakeCount"));

    engine->OnRuntimeStart(reloadedScene);
    engine->OnUpdate(0.016f);

    int32_t awakeCount = 0;
    int32_t startCount = 0;
    int32_t updateCount = 0;
    float runtimeSpeed = 0.0f;
    std::string runtimeLabel;
    std::string observedTargetName;

    EXPECT_TRUE(runtime->TryGetFieldValue(loadedComponent, "AwakeCount", awakeCount));
    EXPECT_TRUE(runtime->TryGetFieldValue(loadedComponent, "StartCount", startCount));
    EXPECT_TRUE(runtime->TryGetFieldValue(loadedComponent, "UpdateCount", updateCount));
    EXPECT_TRUE(runtime->TryGetFieldValue(loadedComponent, "Speed", runtimeSpeed));
    EXPECT_TRUE(runtime->TryGetFieldValue(loadedComponent, "Label", runtimeLabel));
    EXPECT_TRUE(runtime->TryGetFieldValue(loadedComponent, "ObservedTargetName", observedTargetName));

    EXPECT_EQ(awakeCount, 1);
    EXPECT_EQ(startCount, 1);
    EXPECT_EQ(updateCount, 1);
    EXPECT_FLOAT_EQ(runtimeSpeed, 7.0f);
    EXPECT_EQ(runtimeLabel, "Configured|Awake|Awake");
    EXPECT_EQ(observedTargetName, "Target");
}

TEST_F(MonoScriptRuntimeTest, ScriptEngineFieldApiUpdatesLiveManagedInstanceAndStoredCache) {
    Scene* runtimeScene = CreateScene("MonoRuntimeScene");
    GameObject* host = runtimeScene->CreateGameObject("Host");
    GameObject* target = runtimeScene->CreateGameObject("Target");
    ScriptComponent* component = AddScript(host, "Gameplay", "LifecycleProbe");

    engine->OnRuntimeStart(runtimeScene);

    EXPECT_TRUE(engine->TrySetScriptFieldValue(component, "Speed", 41.0f));
    EXPECT_TRUE(engine->TrySetScriptFieldValue(component, "Label", "Edited"));
    EXPECT_TRUE(engine->TrySetScriptFieldValue(component, "Target", GameObjectReference{target->GetUUID()}));
    EXPECT_TRUE(engine->TrySetScriptFieldValue(component, "SpawnPoint", XCEngine::Math::Vector3(10.0f, 20.0f, 30.0f)));

    EXPECT_FALSE(engine->TrySetScriptFieldValue(component, "DoesNotExist", int32_t(1)));
    EXPECT_FALSE(engine->TrySetScriptFieldValue(component, "Speed", std::string("wrong")));

    float storedSpeedBeforeUpdate = 0.0f;
    std::string storedLabelBeforeUpdate;
    GameObjectReference storedTargetBeforeUpdate;
    XCEngine::Math::Vector3 storedSpawnPointBeforeUpdate;

    EXPECT_TRUE(component->GetFieldStorage().TryGetFieldValue("Speed", storedSpeedBeforeUpdate));
    EXPECT_TRUE(component->GetFieldStorage().TryGetFieldValue("Label", storedLabelBeforeUpdate));
    EXPECT_TRUE(component->GetFieldStorage().TryGetFieldValue("Target", storedTargetBeforeUpdate));
    EXPECT_TRUE(component->GetFieldStorage().TryGetFieldValue("SpawnPoint", storedSpawnPointBeforeUpdate));

    EXPECT_FLOAT_EQ(storedSpeedBeforeUpdate, 41.0f);
    EXPECT_EQ(storedLabelBeforeUpdate, "Edited");
    EXPECT_EQ(storedTargetBeforeUpdate, GameObjectReference{target->GetUUID()});
    EXPECT_EQ(storedSpawnPointBeforeUpdate, XCEngine::Math::Vector3(10.0f, 20.0f, 30.0f));
    EXPECT_FALSE(component->GetFieldStorage().Contains("DoesNotExist"));

    engine->OnUpdate(0.016f);
    engine->OnLateUpdate(0.016f);

    int32_t startCount = 0;
    bool targetResolved = false;
    float runtimeSpeed = 0.0f;
    std::string runtimeLabel;
    std::string observedTargetName;
    XCEngine::Math::Vector3 runtimeSpawnPoint;

    EXPECT_TRUE(runtime->TryGetFieldValue(component, "StartCount", startCount));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "TargetResolved", targetResolved));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "Speed", runtimeSpeed));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "Label", runtimeLabel));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedTargetName", observedTargetName));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "SpawnPoint", runtimeSpawnPoint));

    EXPECT_EQ(startCount, 1);
    EXPECT_TRUE(targetResolved);
    EXPECT_FLOAT_EQ(runtimeSpeed, 42.0f);
    EXPECT_EQ(runtimeLabel, "Edited");
    EXPECT_EQ(observedTargetName, "Target");
    EXPECT_EQ(runtimeSpawnPoint, XCEngine::Math::Vector3(11.0f, 20.0f, 30.0f));

    float storedSpeedAfterUpdate = 0.0f;
    std::string storedLabelAfterUpdate;
    GameObjectReference storedTargetAfterUpdate;
    XCEngine::Math::Vector3 storedSpawnPointAfterUpdate;

    EXPECT_TRUE(component->GetFieldStorage().TryGetFieldValue("Speed", storedSpeedAfterUpdate));
    EXPECT_TRUE(component->GetFieldStorage().TryGetFieldValue("Label", storedLabelAfterUpdate));
    EXPECT_TRUE(component->GetFieldStorage().TryGetFieldValue("Target", storedTargetAfterUpdate));
    EXPECT_TRUE(component->GetFieldStorage().TryGetFieldValue("SpawnPoint", storedSpawnPointAfterUpdate));

    EXPECT_FLOAT_EQ(storedSpeedAfterUpdate, 42.0f);
    EXPECT_EQ(storedLabelAfterUpdate, "Edited");
    EXPECT_EQ(storedTargetAfterUpdate, GameObjectReference{target->GetUUID()});
    EXPECT_EQ(storedSpawnPointAfterUpdate, XCEngine::Math::Vector3(11.0f, 20.0f, 30.0f));
}

TEST_F(MonoScriptRuntimeTest, ScriptEngineFieldApiCachesValuesBeforeRuntimeStartAndAppliesThemOnFirstInstance) {
    Scene* runtimeScene = CreateScene("MonoRuntimeScene");
    GameObject* host = runtimeScene->CreateGameObject("Host");
    GameObject* target = runtimeScene->CreateGameObject("Target");
    ScriptComponent* component = AddScript(host, "Gameplay", "LifecycleProbe");

    EXPECT_FALSE(runtime->HasManagedInstance(component));
    EXPECT_TRUE(engine->TrySetScriptFieldValue(component, "Speed", 9.0f));
    EXPECT_TRUE(engine->TrySetScriptFieldValue(component, "Label", "PreStart"));
    EXPECT_TRUE(engine->TrySetScriptFieldValue(component, "Target", GameObjectReference{target->GetUUID()}));
    EXPECT_TRUE(engine->TrySetScriptFieldValue(component, "SpawnPoint", XCEngine::Math::Vector3(3.0f, 4.0f, 5.0f)));

    float storedSpeedBeforeRuntime = 0.0f;
    std::string storedLabelBeforeRuntime;
    GameObjectReference storedTargetBeforeRuntime;
    XCEngine::Math::Vector3 storedSpawnPointBeforeRuntime;

    EXPECT_TRUE(component->GetFieldStorage().TryGetFieldValue("Speed", storedSpeedBeforeRuntime));
    EXPECT_TRUE(component->GetFieldStorage().TryGetFieldValue("Label", storedLabelBeforeRuntime));
    EXPECT_TRUE(component->GetFieldStorage().TryGetFieldValue("Target", storedTargetBeforeRuntime));
    EXPECT_TRUE(component->GetFieldStorage().TryGetFieldValue("SpawnPoint", storedSpawnPointBeforeRuntime));

    EXPECT_FLOAT_EQ(storedSpeedBeforeRuntime, 9.0f);
    EXPECT_EQ(storedLabelBeforeRuntime, "PreStart");
    EXPECT_EQ(storedTargetBeforeRuntime, GameObjectReference{target->GetUUID()});
    EXPECT_EQ(storedSpawnPointBeforeRuntime, XCEngine::Math::Vector3(3.0f, 4.0f, 5.0f));

    engine->OnRuntimeStart(runtimeScene);
    EXPECT_TRUE(runtime->HasManagedInstance(component));

    engine->OnUpdate(0.016f);
    engine->OnLateUpdate(0.016f);

    int32_t awakeCount = 0;
    int32_t startCount = 0;
    bool targetResolved = false;
    float runtimeSpeed = 0.0f;
    std::string runtimeLabel;
    std::string observedTargetName;
    XCEngine::Math::Vector3 runtimeSpawnPoint;

    EXPECT_TRUE(runtime->TryGetFieldValue(component, "AwakeCount", awakeCount));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "StartCount", startCount));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "TargetResolved", targetResolved));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "Speed", runtimeSpeed));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "Label", runtimeLabel));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedTargetName", observedTargetName));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "SpawnPoint", runtimeSpawnPoint));

    EXPECT_EQ(awakeCount, 1);
    EXPECT_EQ(startCount, 1);
    EXPECT_TRUE(targetResolved);
    EXPECT_FLOAT_EQ(runtimeSpeed, 10.0f);
    EXPECT_EQ(runtimeLabel, "PreStart|Awake");
    EXPECT_EQ(observedTargetName, "Target");
    EXPECT_EQ(runtimeSpawnPoint, XCEngine::Math::Vector3(4.0f, 4.0f, 5.0f));

    float storedSpeedAfterUpdate = 0.0f;
    std::string storedLabelAfterUpdate;
    GameObjectReference storedTargetAfterUpdate;
    XCEngine::Math::Vector3 storedSpawnPointAfterUpdate;

    EXPECT_TRUE(component->GetFieldStorage().TryGetFieldValue("Speed", storedSpeedAfterUpdate));
    EXPECT_TRUE(component->GetFieldStorage().TryGetFieldValue("Label", storedLabelAfterUpdate));
    EXPECT_TRUE(component->GetFieldStorage().TryGetFieldValue("Target", storedTargetAfterUpdate));
    EXPECT_TRUE(component->GetFieldStorage().TryGetFieldValue("SpawnPoint", storedSpawnPointAfterUpdate));

    EXPECT_FLOAT_EQ(storedSpeedAfterUpdate, 10.0f);
    EXPECT_EQ(storedLabelAfterUpdate, "PreStart|Awake");
    EXPECT_EQ(storedTargetAfterUpdate, GameObjectReference{target->GetUUID()});
    EXPECT_EQ(storedSpawnPointAfterUpdate, XCEngine::Math::Vector3(4.0f, 4.0f, 5.0f));
}

TEST_F(MonoScriptRuntimeTest, ScriptEngineFieldApiCachesValuesForInactiveRuntimeScriptUntilActivation) {
    Scene* runtimeScene = CreateScene("MonoRuntimeScene");
    GameObject* host = runtimeScene->CreateGameObject("Host");
    GameObject* target = runtimeScene->CreateGameObject("Target");
    ScriptComponent* component = AddScript(host, "Gameplay", "LifecycleProbe");
    host->SetActive(false);

    engine->OnRuntimeStart(runtimeScene);

    EXPECT_FALSE(runtime->HasManagedInstance(component));
    EXPECT_TRUE(engine->TrySetScriptFieldValue(component, "Speed", 12.0f));
    EXPECT_TRUE(engine->TrySetScriptFieldValue(component, "Label", "Dormant"));
    EXPECT_TRUE(engine->TrySetScriptFieldValue(component, "Target", GameObjectReference{target->GetUUID()}));
    EXPECT_TRUE(engine->TrySetScriptFieldValue(component, "SpawnPoint", XCEngine::Math::Vector3(5.0f, 6.0f, 7.0f)));

    float storedSpeedBeforeActivation = 0.0f;
    std::string storedLabelBeforeActivation;
    GameObjectReference storedTargetBeforeActivation;
    XCEngine::Math::Vector3 storedSpawnPointBeforeActivation;

    EXPECT_TRUE(component->GetFieldStorage().TryGetFieldValue("Speed", storedSpeedBeforeActivation));
    EXPECT_TRUE(component->GetFieldStorage().TryGetFieldValue("Label", storedLabelBeforeActivation));
    EXPECT_TRUE(component->GetFieldStorage().TryGetFieldValue("Target", storedTargetBeforeActivation));
    EXPECT_TRUE(component->GetFieldStorage().TryGetFieldValue("SpawnPoint", storedSpawnPointBeforeActivation));

    EXPECT_FLOAT_EQ(storedSpeedBeforeActivation, 12.0f);
    EXPECT_EQ(storedLabelBeforeActivation, "Dormant");
    EXPECT_EQ(storedTargetBeforeActivation, GameObjectReference{target->GetUUID()});
    EXPECT_EQ(storedSpawnPointBeforeActivation, XCEngine::Math::Vector3(5.0f, 6.0f, 7.0f));

    host->SetActive(true);
    engine->OnUpdate(0.016f);
    engine->OnLateUpdate(0.016f);

    EXPECT_TRUE(runtime->HasManagedInstance(component));

    int32_t awakeCount = 0;
    int32_t startCount = 0;
    bool targetResolved = false;
    float runtimeSpeed = 0.0f;
    std::string runtimeLabel;
    std::string observedTargetName;
    XCEngine::Math::Vector3 runtimeSpawnPoint;

    EXPECT_TRUE(runtime->TryGetFieldValue(component, "AwakeCount", awakeCount));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "StartCount", startCount));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "TargetResolved", targetResolved));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "Speed", runtimeSpeed));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "Label", runtimeLabel));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedTargetName", observedTargetName));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "SpawnPoint", runtimeSpawnPoint));

    EXPECT_EQ(awakeCount, 1);
    EXPECT_EQ(startCount, 1);
    EXPECT_TRUE(targetResolved);
    EXPECT_FLOAT_EQ(runtimeSpeed, 13.0f);
    EXPECT_EQ(runtimeLabel, "Dormant|Awake");
    EXPECT_EQ(observedTargetName, "Target");
    EXPECT_EQ(runtimeSpawnPoint, XCEngine::Math::Vector3(6.0f, 6.0f, 7.0f));

    float storedSpeedAfterUpdate = 0.0f;
    std::string storedLabelAfterUpdate;
    GameObjectReference storedTargetAfterUpdate;
    XCEngine::Math::Vector3 storedSpawnPointAfterUpdate;

    EXPECT_TRUE(component->GetFieldStorage().TryGetFieldValue("Speed", storedSpeedAfterUpdate));
    EXPECT_TRUE(component->GetFieldStorage().TryGetFieldValue("Label", storedLabelAfterUpdate));
    EXPECT_TRUE(component->GetFieldStorage().TryGetFieldValue("Target", storedTargetAfterUpdate));
    EXPECT_TRUE(component->GetFieldStorage().TryGetFieldValue("SpawnPoint", storedSpawnPointAfterUpdate));

    EXPECT_FLOAT_EQ(storedSpeedAfterUpdate, 13.0f);
    EXPECT_EQ(storedLabelAfterUpdate, "Dormant|Awake");
    EXPECT_EQ(storedTargetAfterUpdate, GameObjectReference{target->GetUUID()});
    EXPECT_EQ(storedSpawnPointAfterUpdate, XCEngine::Math::Vector3(6.0f, 6.0f, 7.0f));
}

TEST_F(MonoScriptRuntimeTest, ScriptEngineFieldBatchApiUpdatesLiveManagedInstanceAndReportsPerFieldStatus) {
    Scene* runtimeScene = CreateScene("MonoRuntimeScene");
    GameObject* host = runtimeScene->CreateGameObject("Host");
    GameObject* target = runtimeScene->CreateGameObject("Target");
    ScriptComponent* component = AddScript(host, "Gameplay", "LifecycleProbe");

    component->GetFieldStorage().SetFieldValue("LegacyOnly", uint64_t(99));

    engine->OnRuntimeStart(runtimeScene);

    const std::vector<ScriptFieldWriteRequest> requests = {
        {"Speed", ScriptFieldType::Float, ScriptFieldValue(41.0f)},
        {"Label", ScriptFieldType::String, ScriptFieldValue(std::string("BatchEdited"))},
        {"Target", ScriptFieldType::GameObject, ScriptFieldValue(GameObjectReference{target->GetUUID()})},
        {"SpawnPoint", ScriptFieldType::Vector3, ScriptFieldValue(XCEngine::Math::Vector3(10.0f, 20.0f, 30.0f))},
        {"LegacyOnly", ScriptFieldType::UInt64, ScriptFieldValue(uint64_t(100))},
        {"DoesNotExist", ScriptFieldType::Int32, ScriptFieldValue(int32_t(1))},
        {"Speed", ScriptFieldType::String, ScriptFieldValue(std::string("wrong"))},
        {"Label", ScriptFieldType::String, ScriptFieldValue(int32_t(5))}
    };

    std::vector<ScriptFieldWriteResult> results;
    EXPECT_FALSE(engine->ApplyScriptFieldWrites(component, requests, results));
    ASSERT_EQ(results.size(), requests.size());

    EXPECT_EQ(results[0].status, ScriptFieldWriteStatus::Applied);
    EXPECT_EQ(results[1].status, ScriptFieldWriteStatus::Applied);
    EXPECT_EQ(results[2].status, ScriptFieldWriteStatus::Applied);
    EXPECT_EQ(results[3].status, ScriptFieldWriteStatus::Applied);
    EXPECT_EQ(results[4].status, ScriptFieldWriteStatus::StoredOnlyField);
    EXPECT_EQ(results[5].status, ScriptFieldWriteStatus::UnknownField);
    EXPECT_EQ(results[6].status, ScriptFieldWriteStatus::TypeMismatch);
    EXPECT_EQ(results[7].status, ScriptFieldWriteStatus::InvalidValue);

    engine->OnUpdate(0.016f);
    engine->OnLateUpdate(0.016f);

    int32_t startCount = 0;
    bool targetResolved = false;
    float runtimeSpeed = 0.0f;
    std::string runtimeLabel;
    std::string observedTargetName;
    XCEngine::Math::Vector3 runtimeSpawnPoint;

    EXPECT_TRUE(runtime->TryGetFieldValue(component, "StartCount", startCount));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "TargetResolved", targetResolved));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "Speed", runtimeSpeed));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "Label", runtimeLabel));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedTargetName", observedTargetName));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "SpawnPoint", runtimeSpawnPoint));

    EXPECT_EQ(startCount, 1);
    EXPECT_TRUE(targetResolved);
    EXPECT_FLOAT_EQ(runtimeSpeed, 42.0f);
    EXPECT_EQ(runtimeLabel, "BatchEdited");
    EXPECT_EQ(observedTargetName, "Target");
    EXPECT_EQ(runtimeSpawnPoint, XCEngine::Math::Vector3(11.0f, 20.0f, 30.0f));

    float storedSpeed = 0.0f;
    std::string storedLabel;
    GameObjectReference storedTarget;
    XCEngine::Math::Vector3 storedSpawnPoint;
    uint64_t storedLegacyOnly = 0;

    EXPECT_TRUE(component->GetFieldStorage().TryGetFieldValue("Speed", storedSpeed));
    EXPECT_TRUE(component->GetFieldStorage().TryGetFieldValue("Label", storedLabel));
    EXPECT_TRUE(component->GetFieldStorage().TryGetFieldValue("Target", storedTarget));
    EXPECT_TRUE(component->GetFieldStorage().TryGetFieldValue("SpawnPoint", storedSpawnPoint));
    EXPECT_TRUE(component->GetFieldStorage().TryGetFieldValue("LegacyOnly", storedLegacyOnly));

    EXPECT_FLOAT_EQ(storedSpeed, 42.0f);
    EXPECT_EQ(storedLabel, "BatchEdited");
    EXPECT_EQ(storedTarget, GameObjectReference{target->GetUUID()});
    EXPECT_EQ(storedSpawnPoint, XCEngine::Math::Vector3(11.0f, 20.0f, 30.0f));
    EXPECT_EQ(storedLegacyOnly, 99u);
}

TEST_F(MonoScriptRuntimeTest, ScriptEngineFieldModelUsesManagedClassDefaultValuesBeforeRuntimeStart) {
    Scene* runtimeScene = CreateScene("MonoRuntimeScene");
    GameObject* host = runtimeScene->CreateGameObject("Host");
    ScriptComponent* component = AddScript(host, "Gameplay", "RuntimeGameObjectProbe");

    ScriptFieldModel model;
    ASSERT_TRUE(engine->TryGetScriptFieldModel(component, model));
    EXPECT_EQ(model.classStatus, ScriptFieldClassStatus::Available);

    const auto fieldIt = std::find_if(
        model.fields.begin(),
        model.fields.end(),
        [](const ScriptFieldSnapshot& field) {
            return field.metadata.name == "ObservedRootChildCountAfterDestroy";
        });

    ASSERT_NE(fieldIt, model.fields.end());
    EXPECT_TRUE(fieldIt->declaredInClass);
    EXPECT_TRUE(fieldIt->hasDefaultValue);
    EXPECT_FALSE(fieldIt->hasValue);
    EXPECT_EQ(fieldIt->valueSource, ScriptFieldValueSource::DefaultValue);
    EXPECT_EQ(std::get<int32_t>(fieldIt->defaultValue), -1);
    EXPECT_EQ(std::get<int32_t>(fieldIt->value), -1);
}

TEST_F(MonoScriptRuntimeTest, ScriptEngineFieldClearApiRestoresManagedClassDefaultValuesAndRemovesStoredOverrides) {
    Scene* runtimeScene = CreateScene("MonoRuntimeScene");
    GameObject* host = runtimeScene->CreateGameObject("Host");
    ScriptComponent* component = AddScript(host, "Gameplay", "RuntimeGameObjectProbe");

    component->GetFieldStorage().SetFieldValue("ObservedRootChildCountAfterDestroy", int32_t(7));
    component->GetFieldStorage().SetFieldValue("LegacyOnly", uint64_t(99));

    engine->OnRuntimeStart(runtimeScene);

    const std::vector<ScriptFieldClearRequest> requests = {
        {"ObservedRootChildCountAfterDestroy"},
        {"LegacyOnly"},
        {"DoesNotExist"},
        {""}
    };

    std::vector<ScriptFieldClearResult> results;
    EXPECT_FALSE(engine->ClearScriptFieldOverrides(component, requests, results));
    ASSERT_EQ(results.size(), requests.size());

    EXPECT_EQ(results[0].status, ScriptFieldClearStatus::Applied);
    EXPECT_EQ(results[1].status, ScriptFieldClearStatus::Applied);
    EXPECT_EQ(results[2].status, ScriptFieldClearStatus::UnknownField);
    EXPECT_EQ(results[3].status, ScriptFieldClearStatus::EmptyFieldName);

    EXPECT_FALSE(component->GetFieldStorage().Contains("ObservedRootChildCountAfterDestroy"));
    EXPECT_FALSE(component->GetFieldStorage().Contains("LegacyOnly"));

    int32_t runtimeObservedCountAfterDestroy = 0;
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedRootChildCountAfterDestroy", runtimeObservedCountAfterDestroy));
    EXPECT_EQ(runtimeObservedCountAfterDestroy, -1);

    EXPECT_FALSE(component->GetFieldStorage().Contains("ObservedRootChildCountAfterDestroy"));
    EXPECT_FALSE(component->GetFieldStorage().Contains("LegacyOnly"));
}

TEST_F(MonoScriptRuntimeTest, ScriptEngineFieldReadApiReturnsManagedOnlyRuntimeValues) {
    Scene* runtimeScene = CreateScene("MonoRuntimeScene");
    GameObject* host = runtimeScene->CreateGameObject("Host");
    ScriptComponent* component = AddScript(host, "Gameplay", "LifecycleProbe");

    float speed = 0.0f;
    int32_t awakeCount = 0;

    EXPECT_FALSE(component->GetFieldStorage().Contains("Speed"));
    EXPECT_FALSE(component->GetFieldStorage().Contains("AwakeCount"));
    EXPECT_FALSE(engine->TryGetScriptFieldValue(component, "Speed", speed));
    EXPECT_FALSE(engine->TryGetScriptFieldValue(component, "AwakeCount", awakeCount));

    engine->OnRuntimeStart(runtimeScene);

    EXPECT_TRUE(engine->TryGetScriptFieldValue(component, "AwakeCount", awakeCount));
    EXPECT_EQ(awakeCount, 1);
    EXPECT_FALSE(component->GetFieldStorage().Contains("AwakeCount"));

    engine->OnUpdate(0.016f);

    EXPECT_TRUE(engine->TryGetScriptFieldValue(component, "Speed", speed));
    EXPECT_FLOAT_EQ(speed, 1.0f);
    EXPECT_FALSE(component->GetFieldStorage().Contains("Speed"));
}

TEST_F(MonoScriptRuntimeTest, ScriptEngineFieldSnapshotApiReportsMetadataAndCurrentValues) {
    Scene* runtimeScene = CreateScene("MonoRuntimeScene");
    GameObject* host = runtimeScene->CreateGameObject("Host");
    ScriptComponent* component = AddScript(host, "Gameplay", "LifecycleProbe");

    component->GetFieldStorage().SetFieldValue("AwakeCount", uint64_t(7));
    component->GetFieldStorage().SetFieldValue("Label", "Stored");
    component->GetFieldStorage().SetFieldValue("LegacyOnly", uint64_t(99));

    ScriptFieldModel model;
    ASSERT_TRUE(engine->TryGetScriptFieldModel(component, model));
    EXPECT_EQ(model.classStatus, ScriptFieldClassStatus::Available);

    std::vector<ScriptFieldSnapshot>& snapshots = model.fields;

    const auto findSnapshot = [&snapshots](const std::string& fieldName) -> const ScriptFieldSnapshot* {
        const auto it = std::find_if(
            snapshots.begin(),
            snapshots.end(),
            [&fieldName](const ScriptFieldSnapshot& snapshot) {
                return snapshot.metadata.name == fieldName;
            });
        return it != snapshots.end() ? &(*it) : nullptr;
    };

    const ScriptFieldSnapshot* awakeSnapshot = findSnapshot("AwakeCount");
    const ScriptFieldSnapshot* labelSnapshot = findSnapshot("Label");
    const ScriptFieldSnapshot* speedSnapshot = findSnapshot("Speed");
    const ScriptFieldSnapshot* legacySnapshot = findSnapshot("LegacyOnly");

    ASSERT_NE(awakeSnapshot, nullptr);
    ASSERT_NE(labelSnapshot, nullptr);
    ASSERT_NE(speedSnapshot, nullptr);
    ASSERT_NE(legacySnapshot, nullptr);

    EXPECT_EQ(awakeSnapshot->metadata.type, ScriptFieldType::Int32);
    EXPECT_TRUE(awakeSnapshot->declaredInClass);
    EXPECT_TRUE(awakeSnapshot->hasDefaultValue);
    EXPECT_FALSE(awakeSnapshot->hasValue);
    EXPECT_EQ(awakeSnapshot->valueSource, ScriptFieldValueSource::DefaultValue);
    EXPECT_EQ(awakeSnapshot->issue, ScriptFieldIssue::TypeMismatch);
    EXPECT_TRUE(awakeSnapshot->hasStoredValue);
    EXPECT_EQ(awakeSnapshot->storedType, ScriptFieldType::UInt64);
    EXPECT_EQ(std::get<int32_t>(awakeSnapshot->defaultValue), 0);
    EXPECT_EQ(std::get<int32_t>(awakeSnapshot->value), 0);
    EXPECT_EQ(std::get<uint64_t>(awakeSnapshot->storedValue), 7u);

    EXPECT_EQ(labelSnapshot->metadata.type, ScriptFieldType::String);
    EXPECT_TRUE(labelSnapshot->declaredInClass);
    EXPECT_TRUE(labelSnapshot->hasDefaultValue);
    EXPECT_TRUE(labelSnapshot->hasValue);
    EXPECT_EQ(labelSnapshot->valueSource, ScriptFieldValueSource::StoredValue);
    EXPECT_EQ(labelSnapshot->issue, ScriptFieldIssue::None);
    EXPECT_TRUE(labelSnapshot->hasStoredValue);
    EXPECT_EQ(labelSnapshot->storedType, ScriptFieldType::String);
    EXPECT_EQ(std::get<std::string>(labelSnapshot->defaultValue), "");
    EXPECT_EQ(std::get<std::string>(labelSnapshot->value), "Stored");
    EXPECT_EQ(std::get<std::string>(labelSnapshot->storedValue), "Stored");

    EXPECT_EQ(speedSnapshot->metadata.type, ScriptFieldType::Float);
    EXPECT_TRUE(speedSnapshot->declaredInClass);
    EXPECT_TRUE(speedSnapshot->hasDefaultValue);
    EXPECT_FALSE(speedSnapshot->hasValue);
    EXPECT_EQ(speedSnapshot->valueSource, ScriptFieldValueSource::DefaultValue);
    EXPECT_EQ(speedSnapshot->issue, ScriptFieldIssue::None);
    EXPECT_FLOAT_EQ(std::get<float>(speedSnapshot->defaultValue), 0.0f);
    EXPECT_FLOAT_EQ(std::get<float>(speedSnapshot->value), 0.0f);

    EXPECT_EQ(legacySnapshot->metadata.type, ScriptFieldType::UInt64);
    EXPECT_FALSE(legacySnapshot->declaredInClass);
    EXPECT_FALSE(legacySnapshot->hasDefaultValue);
    EXPECT_TRUE(legacySnapshot->hasValue);
    EXPECT_EQ(legacySnapshot->valueSource, ScriptFieldValueSource::StoredValue);
    EXPECT_EQ(legacySnapshot->issue, ScriptFieldIssue::StoredOnly);
    EXPECT_TRUE(legacySnapshot->hasStoredValue);
    EXPECT_EQ(legacySnapshot->storedType, ScriptFieldType::UInt64);
    EXPECT_EQ(std::get<uint64_t>(legacySnapshot->value), 99u);
    EXPECT_EQ(std::get<uint64_t>(legacySnapshot->storedValue), 99u);

    engine->OnRuntimeStart(runtimeScene);
    engine->OnUpdate(0.016f);

    ASSERT_TRUE(engine->TryGetScriptFieldModel(component, model));
    EXPECT_EQ(model.classStatus, ScriptFieldClassStatus::Available);
    awakeSnapshot = findSnapshot("AwakeCount");
    labelSnapshot = findSnapshot("Label");
    speedSnapshot = findSnapshot("Speed");
    legacySnapshot = findSnapshot("LegacyOnly");

    ASSERT_NE(awakeSnapshot, nullptr);
    ASSERT_NE(labelSnapshot, nullptr);
    ASSERT_NE(speedSnapshot, nullptr);
    ASSERT_NE(legacySnapshot, nullptr);

    EXPECT_TRUE(awakeSnapshot->hasValue);
    EXPECT_TRUE(awakeSnapshot->hasDefaultValue);
    EXPECT_EQ(awakeSnapshot->valueSource, ScriptFieldValueSource::ManagedValue);
    EXPECT_EQ(awakeSnapshot->issue, ScriptFieldIssue::TypeMismatch);
    EXPECT_EQ(std::get<int32_t>(awakeSnapshot->defaultValue), 0);
    EXPECT_EQ(std::get<int32_t>(awakeSnapshot->value), 1);
    EXPECT_TRUE(labelSnapshot->hasValue);
    EXPECT_TRUE(labelSnapshot->hasDefaultValue);
    EXPECT_EQ(labelSnapshot->valueSource, ScriptFieldValueSource::ManagedValue);
    EXPECT_EQ(labelSnapshot->issue, ScriptFieldIssue::None);
    EXPECT_EQ(std::get<std::string>(labelSnapshot->defaultValue), "");
    EXPECT_EQ(std::get<std::string>(labelSnapshot->value), "Stored|Awake");
    EXPECT_TRUE(speedSnapshot->hasValue);
    EXPECT_TRUE(speedSnapshot->hasDefaultValue);
    EXPECT_EQ(speedSnapshot->valueSource, ScriptFieldValueSource::ManagedValue);
    EXPECT_EQ(speedSnapshot->issue, ScriptFieldIssue::None);
    EXPECT_FLOAT_EQ(std::get<float>(speedSnapshot->defaultValue), 0.0f);
    EXPECT_FLOAT_EQ(std::get<float>(speedSnapshot->value), 1.0f);
    EXPECT_TRUE(legacySnapshot->hasValue);
    EXPECT_FALSE(legacySnapshot->hasDefaultValue);
    EXPECT_EQ(legacySnapshot->valueSource, ScriptFieldValueSource::StoredValue);
    EXPECT_EQ(legacySnapshot->issue, ScriptFieldIssue::StoredOnly);
    EXPECT_EQ(std::get<uint64_t>(legacySnapshot->value), 99u);
}

TEST_F(MonoScriptRuntimeTest, ScriptEngineFieldModelReportsMissingScriptClassAndStoredFields) {
    Scene* runtimeScene = CreateScene("MonoRuntimeScene");
    GameObject* host = runtimeScene->CreateGameObject("Host");
    ScriptComponent* component = AddScript(host, "Gameplay", "MissingLifecycleProbe");

    component->GetFieldStorage().SetFieldValue("Label", "Stored");
    component->GetFieldStorage().SetFieldValue("LegacyOnly", uint64_t(9));

    ScriptFieldModel model;
    ASSERT_TRUE(engine->TryGetScriptFieldModel(component, model));

    EXPECT_EQ(model.classStatus, ScriptFieldClassStatus::Missing);
    ASSERT_EQ(model.fields.size(), 2u);
    EXPECT_EQ(model.fields[0].metadata.name, "Label");
    EXPECT_EQ(model.fields[1].metadata.name, "LegacyOnly");

    for (const ScriptFieldSnapshot& field : model.fields) {
        EXPECT_FALSE(field.declaredInClass);
        EXPECT_FALSE(field.hasDefaultValue);
        EXPECT_TRUE(field.hasValue);
        EXPECT_EQ(field.valueSource, ScriptFieldValueSource::StoredValue);
        EXPECT_EQ(field.issue, ScriptFieldIssue::StoredOnly);
        EXPECT_TRUE(field.hasStoredValue);
        EXPECT_EQ(field.metadata.type, field.storedType);
        EXPECT_EQ(field.value, field.storedValue);
    }
}

TEST_F(MonoScriptRuntimeTest, GameObjectComponentApiResolvesTransformAndRejectsUnsupportedManagedTypes) {
    Scene* runtimeScene = CreateScene("MonoRuntimeScene");
    GameObject* host = runtimeScene->CreateGameObject("Host");
    ScriptComponent* component = AddScript(host, "Gameplay", "LifecycleProbe");

    engine->OnRuntimeStart(runtimeScene);
    engine->OnUpdate(0.016f);

    bool hasTransform = false;
    bool transformLookupSucceeded = false;
    bool hasUnsupportedComponent = true;
    bool unsupportedComponentLookupReturnedNull = false;

    EXPECT_TRUE(runtime->TryGetFieldValue(component, "HasTransform", hasTransform));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "TransformLookupSucceeded", transformLookupSucceeded));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "HasUnsupportedComponent", hasUnsupportedComponent));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "UnsupportedComponentLookupReturnedNull", unsupportedComponentLookupReturnedNull));

    EXPECT_TRUE(hasTransform);
    EXPECT_TRUE(transformLookupSucceeded);
    EXPECT_FALSE(hasUnsupportedComponent);
    EXPECT_TRUE(unsupportedComponentLookupReturnedNull);
    EXPECT_EQ(host->GetTransform()->GetLocalPosition(), XCEngine::Math::Vector3(7.0f, 8.0f, 9.0f));
}

TEST_F(MonoScriptRuntimeTest, ManagedBuiltInComponentWrappersReadAndWriteCameraAndLight) {
    Scene* runtimeScene = CreateScene("MonoRuntimeScene");
    GameObject* host = runtimeScene->CreateGameObject("Host");
    CameraComponent* camera = host->AddComponent<CameraComponent>();
    LightComponent* light = host->AddComponent<LightComponent>();
    ScriptComponent* component = AddScript(host, "Gameplay", "BuiltinComponentProbe");

    camera->SetFieldOfView(52.0f);
    camera->SetNearClipPlane(0.2f);
    camera->SetFarClipPlane(300.0f);
    camera->SetDepth(1.5f);
    camera->SetPrimary(true);

    light->SetIntensity(1.25f);
    light->SetRange(12.0f);
    light->SetSpotAngle(33.0f);
    light->SetCastsShadows(false);

    engine->OnRuntimeStart(runtimeScene);
    engine->OnUpdate(0.016f);

    bool hasCamera = false;
    bool hasLight = false;
    bool cameraLookupSucceeded = false;
    bool lightLookupSucceeded = false;
    bool observedPrimary = false;
    bool observedCastsShadows = true;
    float observedFieldOfView = 0.0f;
    float observedNearClipPlane = 0.0f;
    float observedFarClipPlane = 0.0f;
    float observedDepth = 0.0f;
    float observedIntensity = 0.0f;
    float observedRange = 0.0f;
    float observedSpotAngle = 0.0f;

    EXPECT_TRUE(runtime->TryGetFieldValue(component, "HasCamera", hasCamera));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "HasLight", hasLight));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "CameraLookupSucceeded", cameraLookupSucceeded));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "LightLookupSucceeded", lightLookupSucceeded));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedFieldOfView", observedFieldOfView));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedNearClipPlane", observedNearClipPlane));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedFarClipPlane", observedFarClipPlane));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedDepth", observedDepth));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedPrimary", observedPrimary));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedIntensity", observedIntensity));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedRange", observedRange));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedSpotAngle", observedSpotAngle));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedCastsShadows", observedCastsShadows));

    EXPECT_TRUE(hasCamera);
    EXPECT_TRUE(hasLight);
    EXPECT_TRUE(cameraLookupSucceeded);
    EXPECT_TRUE(lightLookupSucceeded);

    EXPECT_FLOAT_EQ(observedFieldOfView, 52.0f);
    EXPECT_FLOAT_EQ(observedNearClipPlane, 0.2f);
    EXPECT_FLOAT_EQ(observedFarClipPlane, 300.0f);
    EXPECT_FLOAT_EQ(observedDepth, 1.5f);
    EXPECT_TRUE(observedPrimary);
    EXPECT_FLOAT_EQ(observedIntensity, 1.25f);
    EXPECT_FLOAT_EQ(observedRange, 12.0f);
    EXPECT_FLOAT_EQ(observedSpotAngle, 33.0f);
    EXPECT_FALSE(observedCastsShadows);

    EXPECT_FLOAT_EQ(camera->GetFieldOfView(), 75.0f);
    EXPECT_FLOAT_EQ(camera->GetNearClipPlane(), 0.3f);
    EXPECT_FLOAT_EQ(camera->GetFarClipPlane(), 500.0f);
    EXPECT_FLOAT_EQ(camera->GetDepth(), 3.0f);
    EXPECT_FALSE(camera->IsPrimary());

    EXPECT_FLOAT_EQ(light->GetIntensity(), 2.5f);
    EXPECT_FLOAT_EQ(light->GetRange(), 42.0f);
    EXPECT_FLOAT_EQ(light->GetSpotAngle(), 55.0f);
    EXPECT_TRUE(light->GetCastsShadows());
}

TEST_F(MonoScriptRuntimeTest, ManagedMeshComponentWrappersReadAndWritePathsAndFlags) {
    Scene* runtimeScene = CreateScene("MonoRuntimeScene");
    GameObject* host = runtimeScene->CreateGameObject("Host");
    MeshFilterComponent* meshFilter = host->AddComponent<MeshFilterComponent>();
    MeshRendererComponent* meshRenderer = host->AddComponent<MeshRendererComponent>();
    ScriptComponent* component = AddScript(host, "Gameplay", "MeshComponentProbe");

    meshFilter->SetMeshPath("Meshes/initial.mesh");
    meshRenderer->SetMaterialPath(0, "Materials/initial.mat");
    meshRenderer->SetCastShadows(true);
    meshRenderer->SetReceiveShadows(false);
    meshRenderer->SetRenderLayer(7);

    engine->OnRuntimeStart(runtimeScene);
    engine->OnUpdate(0.016f);

    bool hasMeshFilter = false;
    bool hasMeshRenderer = false;
    bool meshFilterLookupSucceeded = false;
    bool meshRendererLookupSucceeded = false;
    std::string observedInitialMeshPath;
    std::string observedUpdatedMeshPath;
    int32_t observedInitialMaterialCount = 0;
    std::string observedInitialMaterial0Path;
    bool observedInitialCastShadows = false;
    bool observedInitialReceiveShadows = true;
    int32_t observedInitialRenderLayer = 0;
    int32_t observedUpdatedMaterialCount = 0;
    std::string observedUpdatedMaterial1Path;
    bool observedUpdatedCastShadows = true;
    bool observedUpdatedReceiveShadows = false;
    int32_t observedUpdatedRenderLayer = 0;

    EXPECT_TRUE(runtime->TryGetFieldValue(component, "HasMeshFilter", hasMeshFilter));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "HasMeshRenderer", hasMeshRenderer));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "MeshFilterLookupSucceeded", meshFilterLookupSucceeded));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "MeshRendererLookupSucceeded", meshRendererLookupSucceeded));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedInitialMeshPath", observedInitialMeshPath));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedUpdatedMeshPath", observedUpdatedMeshPath));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedInitialMaterialCount", observedInitialMaterialCount));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedInitialMaterial0Path", observedInitialMaterial0Path));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedInitialCastShadows", observedInitialCastShadows));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedInitialReceiveShadows", observedInitialReceiveShadows));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedInitialRenderLayer", observedInitialRenderLayer));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedUpdatedMaterialCount", observedUpdatedMaterialCount));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedUpdatedMaterial1Path", observedUpdatedMaterial1Path));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedUpdatedCastShadows", observedUpdatedCastShadows));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedUpdatedReceiveShadows", observedUpdatedReceiveShadows));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedUpdatedRenderLayer", observedUpdatedRenderLayer));

    EXPECT_TRUE(hasMeshFilter);
    EXPECT_TRUE(hasMeshRenderer);
    EXPECT_TRUE(meshFilterLookupSucceeded);
    EXPECT_TRUE(meshRendererLookupSucceeded);
    EXPECT_EQ(observedInitialMeshPath, "Meshes/initial.mesh");
    EXPECT_EQ(observedUpdatedMeshPath, "Meshes/runtime_override.mesh");
    EXPECT_EQ(observedInitialMaterialCount, 1);
    EXPECT_EQ(observedInitialMaterial0Path, "Materials/initial.mat");
    EXPECT_TRUE(observedInitialCastShadows);
    EXPECT_FALSE(observedInitialReceiveShadows);
    EXPECT_EQ(observedInitialRenderLayer, 7);
    EXPECT_EQ(observedUpdatedMaterialCount, 2);
    EXPECT_EQ(observedUpdatedMaterial1Path, "Materials/runtime_override.mat");
    EXPECT_FALSE(observedUpdatedCastShadows);
    EXPECT_TRUE(observedUpdatedReceiveShadows);
    EXPECT_EQ(observedUpdatedRenderLayer, 11);

    EXPECT_EQ(meshFilter->GetMeshPath(), "Meshes/runtime_override.mesh");
    ASSERT_EQ(meshRenderer->GetMaterialCount(), 2u);
    EXPECT_EQ(meshRenderer->GetMaterialPath(0), "Materials/initial.mat");
    EXPECT_EQ(meshRenderer->GetMaterialPath(1), "Materials/runtime_override.mat");
    EXPECT_FALSE(meshRenderer->GetCastShadows());
    EXPECT_TRUE(meshRenderer->GetReceiveShadows());
    EXPECT_EQ(meshRenderer->GetRenderLayer(), 11u);
}

TEST_F(MonoScriptRuntimeTest, ManagedMeshRendererWrapperHandlesClearAndBoundaryCases) {
    Scene* runtimeScene = CreateScene("MonoRuntimeScene");
    GameObject* host = runtimeScene->CreateGameObject("Host");
    MeshRendererComponent* meshRenderer = host->AddComponent<MeshRendererComponent>();
    ScriptComponent* component = AddScript(host, "Gameplay", "MeshRendererEdgeCaseProbe");

    meshRenderer->SetMaterialPath(0, "Materials/initial0.mat");
    meshRenderer->SetMaterialPath(1, "Materials/initial1.mat");
    meshRenderer->SetCastShadows(false);
    meshRenderer->SetReceiveShadows(true);
    meshRenderer->SetRenderLayer(9);

    engine->OnRuntimeStart(runtimeScene);
    engine->OnUpdate(0.016f);

    int32_t observedInitialMaterialCount = 0;
    std::string observedNegativeIndexPath;
    std::string observedOutOfRangePathBeforeClear;
    std::string observedMaterial0PathAfterNegativeWrite;
    std::string observedMaterial1PathAfterNegativeWrite;
    int32_t observedMaterialCountAfterNegativeWrite = 0;
    int32_t observedRenderLayerAfterNegativeWrite = -1;
    int32_t observedMaterialCountAfterClear = -1;
    std::string observedMaterial0PathAfterClear;
    std::string observedMaterial3PathAfterClear;
    bool observedCastShadowsAfterClear = true;
    bool observedReceiveShadowsAfterClear = false;
    int32_t observedRenderLayerAfterClear = -1;

    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedInitialMaterialCount", observedInitialMaterialCount));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedNegativeIndexPath", observedNegativeIndexPath));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedOutOfRangePathBeforeClear", observedOutOfRangePathBeforeClear));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedMaterial0PathAfterNegativeWrite", observedMaterial0PathAfterNegativeWrite));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedMaterial1PathAfterNegativeWrite", observedMaterial1PathAfterNegativeWrite));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedMaterialCountAfterNegativeWrite", observedMaterialCountAfterNegativeWrite));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedRenderLayerAfterNegativeWrite", observedRenderLayerAfterNegativeWrite));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedMaterialCountAfterClear", observedMaterialCountAfterClear));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedMaterial0PathAfterClear", observedMaterial0PathAfterClear));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedMaterial3PathAfterClear", observedMaterial3PathAfterClear));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedCastShadowsAfterClear", observedCastShadowsAfterClear));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedReceiveShadowsAfterClear", observedReceiveShadowsAfterClear));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedRenderLayerAfterClear", observedRenderLayerAfterClear));

    EXPECT_EQ(observedInitialMaterialCount, 2);
    EXPECT_EQ(observedNegativeIndexPath, "");
    EXPECT_EQ(observedOutOfRangePathBeforeClear, "");
    EXPECT_EQ(observedMaterial0PathAfterNegativeWrite, "Materials/initial0.mat");
    EXPECT_EQ(observedMaterial1PathAfterNegativeWrite, "Materials/initial1.mat");
    EXPECT_EQ(observedMaterialCountAfterNegativeWrite, 2);
    EXPECT_EQ(observedRenderLayerAfterNegativeWrite, 0);
    EXPECT_EQ(observedMaterialCountAfterClear, 0);
    EXPECT_EQ(observedMaterial0PathAfterClear, "");
    EXPECT_EQ(observedMaterial3PathAfterClear, "");
    EXPECT_FALSE(observedCastShadowsAfterClear);
    EXPECT_TRUE(observedReceiveShadowsAfterClear);
    EXPECT_EQ(observedRenderLayerAfterClear, 0);

    EXPECT_EQ(meshRenderer->GetMaterialCount(), 0u);
    EXPECT_EQ(meshRenderer->GetMaterialPath(0), "");
    EXPECT_EQ(meshRenderer->GetMaterialPath(3), "");
    EXPECT_FALSE(meshRenderer->GetCastShadows());
    EXPECT_TRUE(meshRenderer->GetReceiveShadows());
    EXPECT_EQ(meshRenderer->GetRenderLayer(), 0u);
}

TEST_F(MonoScriptRuntimeTest, GameObjectAddComponentApiCreatesBuiltinComponentsAndAvoidsDuplicates) {
    Scene* runtimeScene = CreateScene("MonoRuntimeScene");
    GameObject* host = runtimeScene->CreateGameObject("Host");
    ScriptComponent* component = AddScript(host, "Gameplay", "AddComponentProbe");

    engine->OnRuntimeStart(runtimeScene);
    engine->OnUpdate(0.016f);

    bool initialHasCamera = true;
    bool initialHasLight = true;
    bool initialHasMeshFilter = true;
    bool initialHasMeshRenderer = true;
    bool addedTransform = false;
    bool addedCamera = false;
    bool addedLight = false;
    bool addedMeshFilter = false;
    bool addedMeshRenderer = false;
    bool hasCameraAfterAdd = false;
    bool hasLightAfterAdd = false;
    bool hasMeshFilterAfterAdd = false;
    bool hasMeshRendererAfterAdd = false;
    bool cameraLookupSucceeded = false;
    bool lightLookupSucceeded = false;
    bool meshFilterLookupSucceeded = false;
    bool meshRendererLookupSucceeded = false;
    float observedCameraFieldOfView = 0.0f;
    float observedLightIntensity = 0.0f;
    std::string observedMeshPath;
    int32_t observedMaterialCount = 0;
    std::string observedMaterial0Path;
    int32_t observedRenderLayer = 0;

    EXPECT_TRUE(runtime->TryGetFieldValue(component, "InitialHasCamera", initialHasCamera));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "InitialHasLight", initialHasLight));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "InitialHasMeshFilter", initialHasMeshFilter));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "InitialHasMeshRenderer", initialHasMeshRenderer));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "AddedTransform", addedTransform));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "AddedCamera", addedCamera));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "AddedLight", addedLight));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "AddedMeshFilter", addedMeshFilter));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "AddedMeshRenderer", addedMeshRenderer));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "HasCameraAfterAdd", hasCameraAfterAdd));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "HasLightAfterAdd", hasLightAfterAdd));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "HasMeshFilterAfterAdd", hasMeshFilterAfterAdd));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "HasMeshRendererAfterAdd", hasMeshRendererAfterAdd));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "CameraLookupSucceeded", cameraLookupSucceeded));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "LightLookupSucceeded", lightLookupSucceeded));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "MeshFilterLookupSucceeded", meshFilterLookupSucceeded));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "MeshRendererLookupSucceeded", meshRendererLookupSucceeded));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedCameraFieldOfView", observedCameraFieldOfView));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedLightIntensity", observedLightIntensity));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedMeshPath", observedMeshPath));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedMaterialCount", observedMaterialCount));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedMaterial0Path", observedMaterial0Path));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedRenderLayer", observedRenderLayer));

    EXPECT_FALSE(initialHasCamera);
    EXPECT_FALSE(initialHasLight);
    EXPECT_FALSE(initialHasMeshFilter);
    EXPECT_FALSE(initialHasMeshRenderer);
    EXPECT_TRUE(addedTransform);
    EXPECT_TRUE(addedCamera);
    EXPECT_TRUE(addedLight);
    EXPECT_TRUE(addedMeshFilter);
    EXPECT_TRUE(addedMeshRenderer);
    EXPECT_TRUE(hasCameraAfterAdd);
    EXPECT_TRUE(hasLightAfterAdd);
    EXPECT_TRUE(hasMeshFilterAfterAdd);
    EXPECT_TRUE(hasMeshRendererAfterAdd);
    EXPECT_TRUE(cameraLookupSucceeded);
    EXPECT_TRUE(lightLookupSucceeded);
    EXPECT_TRUE(meshFilterLookupSucceeded);
    EXPECT_TRUE(meshRendererLookupSucceeded);
    EXPECT_FLOAT_EQ(observedCameraFieldOfView, 82.0f);
    EXPECT_FLOAT_EQ(observedLightIntensity, 4.5f);
    EXPECT_EQ(observedMeshPath, "Meshes/added.mesh");
    EXPECT_EQ(observedMaterialCount, 1);
    EXPECT_EQ(observedMaterial0Path, "Materials/added.mat");
    EXPECT_EQ(observedRenderLayer, 6);

    ASSERT_NE(host->GetTransform(), nullptr);
    EXPECT_EQ(host->GetComponents<CameraComponent>().size(), 1u);
    EXPECT_EQ(host->GetComponents<LightComponent>().size(), 1u);
    EXPECT_EQ(host->GetComponents<MeshFilterComponent>().size(), 1u);
    EXPECT_EQ(host->GetComponents<MeshRendererComponent>().size(), 1u);

    CameraComponent* camera = host->GetComponent<CameraComponent>();
    LightComponent* light = host->GetComponent<LightComponent>();
    MeshFilterComponent* meshFilter = host->GetComponent<MeshFilterComponent>();
    MeshRendererComponent* meshRenderer = host->GetComponent<MeshRendererComponent>();

    ASSERT_NE(camera, nullptr);
    ASSERT_NE(light, nullptr);
    ASSERT_NE(meshFilter, nullptr);
    ASSERT_NE(meshRenderer, nullptr);

    EXPECT_FLOAT_EQ(camera->GetFieldOfView(), 82.0f);
    EXPECT_FLOAT_EQ(light->GetIntensity(), 4.5f);
    EXPECT_EQ(meshFilter->GetMeshPath(), "Meshes/added.mesh");
    ASSERT_EQ(meshRenderer->GetMaterialCount(), 1u);
    EXPECT_EQ(meshRenderer->GetMaterialPath(0), "Materials/added.mat");
    EXPECT_EQ(meshRenderer->GetRenderLayer(), 6u);
}

TEST_F(MonoScriptRuntimeTest, GameObjectComponentApiSupportsManagedScriptTypes) {
    Scene* runtimeScene = CreateScene("MonoRuntimeScene");
    GameObject* host = runtimeScene->CreateGameObject("Host");
    ScriptComponent* component = AddScript(host, "Gameplay", "ScriptComponentApiProbe");

    engine->OnRuntimeStart(runtimeScene);
    engine->OnUpdate(0.016f);

    bool initialHasTarget = true;
    bool initialLookupReturnedNull = false;
    bool addedTarget = false;
    bool hasTargetAfterAdd = false;
    bool lookupSucceededAfterAdd = false;
    bool tryGetSucceededAfterAdd = false;
    bool returnedSameInstance = false;
    bool targetEnabledAfterAdd = false;
    int32_t observedTargetAwakeCount = 0;
    int32_t observedTargetStartCount = -1;
    int32_t observedTargetHostCallCount = 0;
    std::string observedTargetHostName;

    EXPECT_TRUE(runtime->TryGetFieldValue(component, "InitialHasTarget", initialHasTarget));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "InitialLookupReturnedNull", initialLookupReturnedNull));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "AddedTarget", addedTarget));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "HasTargetAfterAdd", hasTargetAfterAdd));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "LookupSucceededAfterAdd", lookupSucceededAfterAdd));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "TryGetSucceededAfterAdd", tryGetSucceededAfterAdd));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ReturnedSameInstance", returnedSameInstance));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "TargetEnabledAfterAdd", targetEnabledAfterAdd));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedTargetAwakeCount", observedTargetAwakeCount));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedTargetStartCount", observedTargetStartCount));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedTargetHostCallCount", observedTargetHostCallCount));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedTargetHostName", observedTargetHostName));

    EXPECT_FALSE(initialHasTarget);
    EXPECT_TRUE(initialLookupReturnedNull);
    EXPECT_TRUE(addedTarget);
    EXPECT_TRUE(hasTargetAfterAdd);
    EXPECT_TRUE(lookupSucceededAfterAdd);
    EXPECT_TRUE(tryGetSucceededAfterAdd);
    EXPECT_TRUE(returnedSameInstance);
    EXPECT_TRUE(targetEnabledAfterAdd);
    EXPECT_EQ(observedTargetAwakeCount, 1);
    EXPECT_EQ(observedTargetStartCount, 0);
    EXPECT_EQ(observedTargetHostCallCount, 1);
    EXPECT_EQ(observedTargetHostName, "Host");

    ASSERT_EQ(host->GetComponents<ScriptComponent>().size(), 2u);
    ScriptComponent* targetScript = FindScriptComponentByClass(host, "Gameplay", "ScriptComponentTargetProbe");
    ASSERT_NE(targetScript, nullptr);
    EXPECT_TRUE(runtime->HasManagedInstance(targetScript));
    EXPECT_EQ(runtime->GetManagedInstanceCount(), 2u);

    int32_t awakeCount = 0;
    int32_t startCount = -1;
    int32_t hostCallCount = 0;
    std::string hostName;

    EXPECT_TRUE(runtime->TryGetFieldValue(targetScript, "AwakeCount", awakeCount));
    EXPECT_TRUE(runtime->TryGetFieldValue(targetScript, "StartCount", startCount));
    EXPECT_TRUE(runtime->TryGetFieldValue(targetScript, "HostCallCount", hostCallCount));
    EXPECT_TRUE(runtime->TryGetFieldValue(targetScript, "HostName", hostName));

    EXPECT_EQ(awakeCount, 1);
    EXPECT_EQ(startCount, 0);
    EXPECT_EQ(hostCallCount, 1);
    EXPECT_EQ(hostName, "Host");

    engine->OnUpdate(0.016f);

    startCount = 0;
    EXPECT_TRUE(runtime->TryGetFieldValue(targetScript, "StartCount", startCount));
    EXPECT_EQ(startCount, 1);
}

TEST_F(MonoScriptRuntimeTest, GameObjectRuntimeApiCreatesFindsAndDestroysSceneObjects) {
    Scene* runtimeScene = CreateScene("MonoRuntimeScene");
    GameObject* host = runtimeScene->CreateGameObject("Host");
    ScriptComponent* component = AddScript(host, "Gameplay", "RuntimeGameObjectProbe");

    engine->OnRuntimeStart(runtimeScene);
    engine->OnUpdate(0.016f);

    bool missingBeforeCreate = false;
    bool createdRootSucceeded = false;
    bool createdChildSucceeded = false;
    bool foundRootSucceeded = false;
    bool foundChildSucceeded = false;
    std::string observedFoundRootName;
    std::string observedFoundChildParentName;
    int32_t observedRootChildCountBeforeDestroy = 0;
    bool cameraLookupSucceeded = false;
    bool meshFilterLookupSucceeded = false;
    bool meshRendererLookupSucceeded = false;
    float observedCameraFieldOfView = 0.0f;
    std::string observedMeshPath;
    int32_t observedMaterialCount = 0;
    std::string observedMaterial0Path;
    int32_t observedRenderLayer = 0;
    bool missingChildAfterDestroy = false;
    bool foundRootAfterDestroySucceeded = false;
    int32_t observedRootChildCountAfterDestroy = -1;

    EXPECT_TRUE(runtime->TryGetFieldValue(component, "MissingBeforeCreate", missingBeforeCreate));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "CreatedRootSucceeded", createdRootSucceeded));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "CreatedChildSucceeded", createdChildSucceeded));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "FoundRootSucceeded", foundRootSucceeded));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "FoundChildSucceeded", foundChildSucceeded));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedFoundRootName", observedFoundRootName));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedFoundChildParentName", observedFoundChildParentName));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedRootChildCountBeforeDestroy", observedRootChildCountBeforeDestroy));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "CameraLookupSucceeded", cameraLookupSucceeded));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "MeshFilterLookupSucceeded", meshFilterLookupSucceeded));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "MeshRendererLookupSucceeded", meshRendererLookupSucceeded));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedCameraFieldOfView", observedCameraFieldOfView));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedMeshPath", observedMeshPath));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedMaterialCount", observedMaterialCount));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedMaterial0Path", observedMaterial0Path));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedRenderLayer", observedRenderLayer));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "MissingChildAfterDestroy", missingChildAfterDestroy));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "FoundRootAfterDestroySucceeded", foundRootAfterDestroySucceeded));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedRootChildCountAfterDestroy", observedRootChildCountAfterDestroy));

    EXPECT_TRUE(missingBeforeCreate);
    EXPECT_TRUE(createdRootSucceeded);
    EXPECT_TRUE(createdChildSucceeded);
    EXPECT_TRUE(foundRootSucceeded);
    EXPECT_TRUE(foundChildSucceeded);
    EXPECT_EQ(observedFoundRootName, "RuntimeCreatedRoot");
    EXPECT_EQ(observedFoundChildParentName, "RuntimeCreatedRoot");
    EXPECT_EQ(observedRootChildCountBeforeDestroy, 1);
    EXPECT_TRUE(cameraLookupSucceeded);
    EXPECT_TRUE(meshFilterLookupSucceeded);
    EXPECT_TRUE(meshRendererLookupSucceeded);
    EXPECT_FLOAT_EQ(observedCameraFieldOfView, 68.0f);
    EXPECT_EQ(observedMeshPath, "Meshes/runtime_created.mesh");
    EXPECT_EQ(observedMaterialCount, 1);
    EXPECT_EQ(observedMaterial0Path, "Materials/runtime_created.mat");
    EXPECT_EQ(observedRenderLayer, 4);
    EXPECT_TRUE(missingChildAfterDestroy);
    EXPECT_TRUE(foundRootAfterDestroySucceeded);
    EXPECT_EQ(observedRootChildCountAfterDestroy, 0);

    GameObject* createdRoot = runtimeScene->Find("RuntimeCreatedRoot");
    ASSERT_NE(createdRoot, nullptr);
    EXPECT_EQ(runtimeScene->Find("RuntimeCreatedChild"), nullptr);
    EXPECT_EQ(createdRoot->GetParent(), nullptr);
    EXPECT_EQ(createdRoot->GetChildCount(), 0u);

    CameraComponent* camera = createdRoot->GetComponent<CameraComponent>();
    MeshFilterComponent* meshFilter = createdRoot->GetComponent<MeshFilterComponent>();
    MeshRendererComponent* meshRenderer = createdRoot->GetComponent<MeshRendererComponent>();

    ASSERT_NE(camera, nullptr);
    ASSERT_NE(meshFilter, nullptr);
    ASSERT_NE(meshRenderer, nullptr);
    EXPECT_FLOAT_EQ(camera->GetFieldOfView(), 68.0f);
    EXPECT_EQ(meshFilter->GetMeshPath(), "Meshes/runtime_created.mesh");
    ASSERT_EQ(meshRenderer->GetMaterialCount(), 1u);
    EXPECT_EQ(meshRenderer->GetMaterialPath(0), "Materials/runtime_created.mat");
    EXPECT_EQ(meshRenderer->GetRenderLayer(), 4u);
}

TEST_F(MonoScriptRuntimeTest, GameObjectTagAndLayerApiExposeUnityStylePropertiesAndCompareTag) {
    Scene* runtimeScene = CreateScene("MonoRuntimeScene");
    GameObject* host = runtimeScene->CreateGameObject("Host");
    host->SetTag("Enemy");
    host->SetLayer(7);

    ScriptComponent* component = AddScript(host, "Gameplay", "TagLayerProbe");

    engine->OnRuntimeStart(runtimeScene);
    engine->OnUpdate(0.016f);

    std::string observedInitialTag;
    int32_t observedInitialLayer = -1;
    bool observedInitialCompareTag = false;
    bool observedGameObjectRouteMatches = false;
    std::string observedUpdatedTag;
    int32_t observedUpdatedLayer = -1;
    bool observedUpdatedCompareTag = false;
    bool observedOriginalTagRejected = false;
    bool observedEmptyTagRejected = false;

    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedInitialTag", observedInitialTag));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedInitialLayer", observedInitialLayer));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedInitialCompareTag", observedInitialCompareTag));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedGameObjectRouteMatches", observedGameObjectRouteMatches));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedUpdatedTag", observedUpdatedTag));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedUpdatedLayer", observedUpdatedLayer));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedUpdatedCompareTag", observedUpdatedCompareTag));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedOriginalTagRejected", observedOriginalTagRejected));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedEmptyTagRejected", observedEmptyTagRejected));

    EXPECT_EQ(observedInitialTag, "Enemy");
    EXPECT_EQ(observedInitialLayer, 7);
    EXPECT_TRUE(observedInitialCompareTag);
    EXPECT_TRUE(observedGameObjectRouteMatches);
    EXPECT_EQ(observedUpdatedTag, "Player");
    EXPECT_EQ(observedUpdatedLayer, 31);
    EXPECT_TRUE(observedUpdatedCompareTag);
    EXPECT_TRUE(observedOriginalTagRejected);
    EXPECT_TRUE(observedEmptyTagRejected);

    EXPECT_EQ(host->GetTag(), "Player");
    EXPECT_EQ(host->GetLayer(), 31u);
    EXPECT_EQ(runtimeScene->FindGameObjectWithTag("Player"), host);
    EXPECT_EQ(runtimeScene->FindGameObjectWithTag("Enemy"), nullptr);
}

TEST_F(MonoScriptRuntimeTest, RuntimeCreatedScriptComponentCreatesManagedInstanceAfterClassAssignment) {
    Scene* runtimeScene = CreateScene("MonoRuntimeScene");

    engine->OnRuntimeStart(runtimeScene);

    GameObject* spawned = runtimeScene->CreateGameObject("RuntimeSpawned");
    ScriptComponent* component = spawned->AddComponent<ScriptComponent>();
    component->GetFieldStorage().SetFieldValue("Label", "RuntimeConfigured");
    component->SetScriptClass("GameScripts", "Gameplay", "LifecycleProbe");

    EXPECT_TRUE(runtime->HasManagedInstance(component));

    engine->OnUpdate(0.016f);

    int32_t awakeCount = 0;
    int32_t enableCount = 0;
    int32_t startCount = 0;
    int32_t updateCount = 0;
    std::string label;
    std::string observedGameObjectName;
    bool wasAwakened = false;
    bool observedEnabled = false;
    bool observedActiveSelf = false;
    bool observedActiveInHierarchy = false;
    bool observedIsActiveAndEnabled = false;

    EXPECT_TRUE(runtime->TryGetFieldValue(component, "AwakeCount", awakeCount));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "EnableCount", enableCount));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "StartCount", startCount));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "UpdateCount", updateCount));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "Label", label));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedGameObjectName", observedGameObjectName));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "WasAwakened", wasAwakened));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedEnabled", observedEnabled));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedActiveSelf", observedActiveSelf));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedActiveInHierarchy", observedActiveInHierarchy));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedIsActiveAndEnabled", observedIsActiveAndEnabled));

    EXPECT_EQ(awakeCount, 1);
    EXPECT_EQ(enableCount, 1);
    EXPECT_EQ(startCount, 1);
    EXPECT_EQ(updateCount, 1);
    EXPECT_EQ(label, "RuntimeConfigured|Awake");
    EXPECT_EQ(observedGameObjectName, "RuntimeSpawned_Managed");
    EXPECT_TRUE(wasAwakened);
    EXPECT_TRUE(observedEnabled);
    EXPECT_TRUE(observedActiveSelf);
    EXPECT_TRUE(observedActiveInHierarchy);
    EXPECT_TRUE(observedIsActiveAndEnabled);
    EXPECT_EQ(spawned->GetName(), "RuntimeSpawned_Managed");
}

TEST_F(MonoScriptRuntimeTest, TransformHierarchyApiExposesParentChildAndReparenting) {
    Scene* runtimeScene = CreateScene("MonoRuntimeScene");
    GameObject* root = runtimeScene->CreateGameObject("Root");
    GameObject* host = runtimeScene->CreateGameObject("Host", root);
    GameObject* child = runtimeScene->CreateGameObject("Child", host);
    GameObject* reparentTarget = runtimeScene->CreateGameObject("ReparentTarget");
    ScriptComponent* component = AddScript(host, "Gameplay", "HierarchyProbe");

    component->GetFieldStorage().SetFieldValue("ReparentTarget", GameObjectReference{reparentTarget->GetUUID()});

    engine->OnRuntimeStart(runtimeScene);
    engine->OnUpdate(0.016f);

    int32_t observedChildCount = 0;
    bool parentLookupSucceeded = false;
    bool childLookupSucceeded = false;
    std::string observedParentName;
    std::string observedFirstChildName;
    std::string reparentedChildParentName;

    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedChildCount", observedChildCount));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ParentLookupSucceeded", parentLookupSucceeded));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ChildLookupSucceeded", childLookupSucceeded));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedParentName", observedParentName));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedFirstChildName", observedFirstChildName));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ReparentedChildParentName", reparentedChildParentName));

    EXPECT_TRUE(parentLookupSucceeded);
    EXPECT_TRUE(childLookupSucceeded);
    EXPECT_EQ(observedChildCount, 1);
    EXPECT_EQ(observedParentName, "Root");
    EXPECT_EQ(observedFirstChildName, "Child");
    EXPECT_EQ(reparentedChildParentName, "ReparentTarget");

    EXPECT_EQ(host->GetParent(), root);
    EXPECT_EQ(host->GetChildCount(), 0u);
    EXPECT_EQ(child->GetParent(), reparentTarget);
    EXPECT_EQ(reparentTarget->GetChildCount(), 1u);
}

TEST_F(MonoScriptRuntimeTest, UnityObjectApiGetComponentsReturnsDirectComponentsAndReusesManagedInstances) {
    Scene* runtimeScene = CreateScene("MonoRuntimeScene");
    GameObject* host = runtimeScene->CreateGameObject("Host");
    GameObject* child = runtimeScene->CreateGameObject("Child", host);

    host->AddComponent<CameraComponent>();
    child->AddComponent<CameraComponent>();
    child->AddComponent<MeshRendererComponent>();

    AddScript(host, "Gameplay", "ObjectApiMarkerProbe");
    AddScript(host, "Gameplay", "ObjectApiMarkerProbe");
    ScriptComponent* hostProbe = AddScript(host, "Gameplay", "GetComponentsProbe");

    engine->OnRuntimeStart(runtimeScene);
    engine->OnUpdate(0.016f);

    int32_t observedTransformCount = -1;
    int32_t observedCameraCount = -1;
    int32_t observedCameraCountViaGameObject = -1;
    int32_t observedMarkerCount = -1;
    int32_t observedMeshRendererCount = -1;
    bool observedAllMarkersNonNull = false;
    bool observedFirstMarkerMatchesGetComponent = false;
    bool observedMarkerInstancesAreDistinct = false;
    bool observedTransformBoundToHost = false;
    std::string observedFirstMarkerHostName;

    EXPECT_TRUE(runtime->TryGetFieldValue(hostProbe, "ObservedTransformCount", observedTransformCount));
    EXPECT_TRUE(runtime->TryGetFieldValue(hostProbe, "ObservedCameraCount", observedCameraCount));
    EXPECT_TRUE(runtime->TryGetFieldValue(hostProbe, "ObservedCameraCountViaGameObject", observedCameraCountViaGameObject));
    EXPECT_TRUE(runtime->TryGetFieldValue(hostProbe, "ObservedMarkerCount", observedMarkerCount));
    EXPECT_TRUE(runtime->TryGetFieldValue(hostProbe, "ObservedMeshRendererCount", observedMeshRendererCount));
    EXPECT_TRUE(runtime->TryGetFieldValue(hostProbe, "ObservedAllMarkersNonNull", observedAllMarkersNonNull));
    EXPECT_TRUE(runtime->TryGetFieldValue(hostProbe, "ObservedFirstMarkerMatchesGetComponent", observedFirstMarkerMatchesGetComponent));
    EXPECT_TRUE(runtime->TryGetFieldValue(hostProbe, "ObservedMarkerInstancesAreDistinct", observedMarkerInstancesAreDistinct));
    EXPECT_TRUE(runtime->TryGetFieldValue(hostProbe, "ObservedTransformBoundToHost", observedTransformBoundToHost));
    EXPECT_TRUE(runtime->TryGetFieldValue(hostProbe, "ObservedFirstMarkerHostName", observedFirstMarkerHostName));

    EXPECT_EQ(observedTransformCount, 1);
    EXPECT_EQ(observedCameraCount, 1);
    EXPECT_EQ(observedCameraCountViaGameObject, 1);
    EXPECT_EQ(observedMarkerCount, 2);
    EXPECT_EQ(observedMeshRendererCount, 0);
    EXPECT_TRUE(observedAllMarkersNonNull);
    EXPECT_TRUE(observedFirstMarkerMatchesGetComponent);
    EXPECT_TRUE(observedMarkerInstancesAreDistinct);
    EXPECT_TRUE(observedTransformBoundToHost);
    EXPECT_EQ(observedFirstMarkerHostName, "Host");

    EXPECT_EQ(host->GetComponents<CameraComponent>().size(), 1u);
    EXPECT_EQ(host->GetComponents<ScriptComponent>().size(), 3u);
    EXPECT_EQ(child->GetComponents<CameraComponent>().size(), 1u);
    EXPECT_EQ(child->GetComponents<MeshRendererComponent>().size(), 1u);
    EXPECT_EQ(runtime->GetManagedInstanceCount(), 3u);
}

TEST_F(MonoScriptRuntimeTest, UnityObjectApiSupportsHierarchyLookupAndDestroy) {
    Scene* runtimeScene = CreateScene("MonoRuntimeScene");
    GameObject* root = runtimeScene->CreateGameObject("Root");
    GameObject* host = runtimeScene->CreateGameObject("Host", root);
    GameObject* child = runtimeScene->CreateGameObject("Child", host);

    root->AddComponent<CameraComponent>();
    child->AddComponent<CameraComponent>();
    child->AddComponent<MeshRendererComponent>();

    AddScript(root, "Gameplay", "ObjectApiMarkerProbe");
    AddScript(child, "Gameplay", "ObjectApiDestroyTargetProbe");
    ScriptComponent* hostProbe = AddScript(host, "Gameplay", "ObjectApiProbe");

    engine->OnRuntimeStart(runtimeScene);
    engine->OnUpdate(0.016f);

    bool foundSelfScriptViaParentLookup = false;
    bool foundSelfScriptViaGameObjectParentLookup = false;
    bool foundSelfTransformViaChildrenLookup = false;
    bool foundSelfTransformViaGameObjectChildrenLookup = false;
    bool foundCameraInParent = false;
    bool foundCameraInParentViaGameObject = false;
    bool foundMarkerInParent = false;
    bool foundMeshRendererInChildren = false;
    bool foundMeshRendererInChildrenViaGameObject = false;
    bool foundTargetScriptInChildren = false;
    bool childCameraMissingAfterDestroy = false;
    bool childScriptMissingAfterDestroy = false;
    bool childGameObjectMissingAfterDestroy = false;
    int32_t observedChildScriptDisableCount = -1;
    int32_t observedChildCountAfterDestroy = -1;
    std::string observedParentCameraHostName;
    std::string observedChildMeshRendererHostName;
    std::string observedChildScriptHostName;

    EXPECT_TRUE(runtime->TryGetFieldValue(hostProbe, "FoundSelfScriptViaParentLookup", foundSelfScriptViaParentLookup));
    EXPECT_TRUE(runtime->TryGetFieldValue(hostProbe, "FoundSelfScriptViaGameObjectParentLookup", foundSelfScriptViaGameObjectParentLookup));
    EXPECT_TRUE(runtime->TryGetFieldValue(hostProbe, "FoundSelfTransformViaChildrenLookup", foundSelfTransformViaChildrenLookup));
    EXPECT_TRUE(runtime->TryGetFieldValue(hostProbe, "FoundSelfTransformViaGameObjectChildrenLookup", foundSelfTransformViaGameObjectChildrenLookup));
    EXPECT_TRUE(runtime->TryGetFieldValue(hostProbe, "FoundCameraInParent", foundCameraInParent));
    EXPECT_TRUE(runtime->TryGetFieldValue(hostProbe, "FoundCameraInParentViaGameObject", foundCameraInParentViaGameObject));
    EXPECT_TRUE(runtime->TryGetFieldValue(hostProbe, "FoundMarkerInParent", foundMarkerInParent));
    EXPECT_TRUE(runtime->TryGetFieldValue(hostProbe, "FoundMeshRendererInChildren", foundMeshRendererInChildren));
    EXPECT_TRUE(runtime->TryGetFieldValue(hostProbe, "FoundMeshRendererInChildrenViaGameObject", foundMeshRendererInChildrenViaGameObject));
    EXPECT_TRUE(runtime->TryGetFieldValue(hostProbe, "FoundTargetScriptInChildren", foundTargetScriptInChildren));
    EXPECT_TRUE(runtime->TryGetFieldValue(hostProbe, "ChildCameraMissingAfterDestroy", childCameraMissingAfterDestroy));
    EXPECT_TRUE(runtime->TryGetFieldValue(hostProbe, "ChildScriptMissingAfterDestroy", childScriptMissingAfterDestroy));
    EXPECT_TRUE(runtime->TryGetFieldValue(hostProbe, "ChildGameObjectMissingAfterDestroy", childGameObjectMissingAfterDestroy));
    EXPECT_TRUE(runtime->TryGetFieldValue(hostProbe, "ObservedChildScriptDisableCount", observedChildScriptDisableCount));
    EXPECT_TRUE(runtime->TryGetFieldValue(hostProbe, "ObservedChildCountAfterDestroy", observedChildCountAfterDestroy));
    EXPECT_TRUE(runtime->TryGetFieldValue(hostProbe, "ObservedParentCameraHostName", observedParentCameraHostName));
    EXPECT_TRUE(runtime->TryGetFieldValue(hostProbe, "ObservedChildMeshRendererHostName", observedChildMeshRendererHostName));
    EXPECT_TRUE(runtime->TryGetFieldValue(hostProbe, "ObservedChildScriptHostName", observedChildScriptHostName));

    EXPECT_TRUE(foundSelfScriptViaParentLookup);
    EXPECT_TRUE(foundSelfScriptViaGameObjectParentLookup);
    EXPECT_TRUE(foundSelfTransformViaChildrenLookup);
    EXPECT_TRUE(foundSelfTransformViaGameObjectChildrenLookup);
    EXPECT_TRUE(foundCameraInParent);
    EXPECT_TRUE(foundCameraInParentViaGameObject);
    EXPECT_TRUE(foundMarkerInParent);
    EXPECT_TRUE(foundMeshRendererInChildren);
    EXPECT_TRUE(foundMeshRendererInChildrenViaGameObject);
    EXPECT_TRUE(foundTargetScriptInChildren);
    EXPECT_TRUE(childCameraMissingAfterDestroy);
    EXPECT_TRUE(childScriptMissingAfterDestroy);
    EXPECT_TRUE(childGameObjectMissingAfterDestroy);
    EXPECT_EQ(observedChildScriptDisableCount, 1);
    EXPECT_EQ(observedChildCountAfterDestroy, 0);
    EXPECT_EQ(observedParentCameraHostName, "Root");
    EXPECT_EQ(observedChildMeshRendererHostName, "Child");
    EXPECT_EQ(observedChildScriptHostName, "Child");

    EXPECT_EQ(runtimeScene->Find("Child"), nullptr);
    EXPECT_EQ(host->GetChildCount(), 0u);
    EXPECT_EQ(host->GetComponentInChildren<CameraComponent>(), nullptr);
    EXPECT_EQ(host->GetComponentInChildren<MeshRendererComponent>(), nullptr);
    EXPECT_EQ(host->GetComponents<ScriptComponent>().size(), 1u);
    EXPECT_EQ(root->GetComponents<ScriptComponent>().size(), 1u);
    EXPECT_EQ(runtime->GetManagedInstanceCount(), 2u);
}

TEST_F(MonoScriptRuntimeTest, TransformSpaceApiReadsAndWritesWorldAndLocalValues) {
    Scene* runtimeScene = CreateScene("MonoRuntimeScene");
    GameObject* parent = runtimeScene->CreateGameObject("Parent");
    GameObject* host = runtimeScene->CreateGameObject("Host", parent);
    ScriptComponent* component = AddScript(host, "Gameplay", "TransformSpaceProbe");

    parent->GetTransform()->SetLocalPosition(XCEngine::Math::Vector3(10.0f, 0.0f, 0.0f));
    parent->GetTransform()->SetLocalScale(XCEngine::Math::Vector3(2.0f, 2.0f, 2.0f));
    host->GetTransform()->SetLocalPosition(XCEngine::Math::Vector3(1.0f, 2.0f, 3.0f));
    host->GetTransform()->SetLocalScale(XCEngine::Math::Vector3(1.0f, 1.0f, 1.0f));

    engine->OnRuntimeStart(runtimeScene);
    engine->OnUpdate(0.016f);

    XCEngine::Math::Vector3 observedInitialWorldPosition;
    XCEngine::Math::Vector3 observedInitialWorldScale;
    XCEngine::Math::Vector3 observedInitialLocalEulerAngles;
    XCEngine::Math::Vector3 observedEulerAfterSet;
    XCEngine::Math::Vector3 observedWorldPositionAfterSet;
    XCEngine::Math::Vector3 observedWorldScaleAfterSet;

    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedInitialWorldPosition", observedInitialWorldPosition));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedInitialWorldScale", observedInitialWorldScale));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedInitialLocalEulerAngles", observedInitialLocalEulerAngles));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedEulerAfterSet", observedEulerAfterSet));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedWorldPositionAfterSet", observedWorldPositionAfterSet));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedWorldScaleAfterSet", observedWorldScaleAfterSet));

    EXPECT_EQ(observedInitialWorldPosition, XCEngine::Math::Vector3(12.0f, 4.0f, 6.0f));
    EXPECT_EQ(observedInitialWorldScale, XCEngine::Math::Vector3(2.0f, 2.0f, 2.0f));
    EXPECT_EQ(observedInitialLocalEulerAngles, XCEngine::Math::Vector3(0.0f, 0.0f, 0.0f));
    EXPECT_NEAR(observedEulerAfterSet.x, 0.0f, 0.001f);
    EXPECT_NEAR(observedEulerAfterSet.y, 45.0f, 0.001f);
    EXPECT_NEAR(observedEulerAfterSet.z, 0.0f, 0.001f);
    EXPECT_EQ(observedWorldPositionAfterSet, XCEngine::Math::Vector3(20.0f, 6.0f, 10.0f));
    EXPECT_EQ(observedWorldScaleAfterSet, XCEngine::Math::Vector3(6.0f, 8.0f, 10.0f));

    EXPECT_EQ(host->GetTransform()->GetLocalPosition(), XCEngine::Math::Vector3(5.0f, 3.0f, 5.0f));
    EXPECT_EQ(host->GetTransform()->GetPosition(), XCEngine::Math::Vector3(20.0f, 6.0f, 10.0f));
    EXPECT_EQ(host->GetTransform()->GetLocalScale(), XCEngine::Math::Vector3(3.0f, 4.0f, 5.0f));
    EXPECT_EQ(host->GetTransform()->GetScale(), XCEngine::Math::Vector3(6.0f, 8.0f, 10.0f));

    const XCEngine::Math::Quaternion& localRotation = host->GetTransform()->GetLocalRotation();
    EXPECT_FLOAT_EQ(localRotation.x, 0.0f);
    EXPECT_FLOAT_EQ(localRotation.y, 0.5f);
    EXPECT_FLOAT_EQ(localRotation.z, 0.0f);
    EXPECT_FLOAT_EQ(localRotation.w, 0.8660254f);
}

TEST_F(MonoScriptRuntimeTest, TransformMotionApiExposesDirectionVectorsAndAppliesOperations) {
    Scene* runtimeScene = CreateScene("MonoRuntimeScene");
    GameObject* host = runtimeScene->CreateGameObject("Host");
    ScriptComponent* component = AddScript(host, "Gameplay", "TransformMotionProbe");

    engine->OnRuntimeStart(runtimeScene);
    engine->OnUpdate(0.016f);

    XCEngine::Math::Vector3 observedForward;
    XCEngine::Math::Vector3 observedRight;
    XCEngine::Math::Vector3 observedUp;
    XCEngine::Math::Vector3 observedPositionAfterSelfTranslate;
    XCEngine::Math::Vector3 observedPositionAfterWorldTranslate;
    XCEngine::Math::Vector3 observedForwardAfterWorldRotate;
    XCEngine::Math::Vector3 observedForwardAfterSelfRotate;
    XCEngine::Math::Vector3 observedForwardAfterLookAt;

    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedForward", observedForward));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedRight", observedRight));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedUp", observedUp));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedPositionAfterSelfTranslate", observedPositionAfterSelfTranslate));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedPositionAfterWorldTranslate", observedPositionAfterWorldTranslate));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedForwardAfterWorldRotate", observedForwardAfterWorldRotate));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedForwardAfterSelfRotate", observedForwardAfterSelfRotate));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedForwardAfterLookAt", observedForwardAfterLookAt));

    ExpectVector3Near(observedForward, XCEngine::Math::Vector3(1.0f, 0.0f, 0.0f));
    ExpectVector3Near(observedRight, XCEngine::Math::Vector3(0.0f, 0.0f, -1.0f));
    ExpectVector3Near(observedUp, XCEngine::Math::Vector3(0.0f, 1.0f, 0.0f));
    ExpectVector3Near(observedPositionAfterSelfTranslate, XCEngine::Math::Vector3(2.0f, 0.0f, 0.0f));
    ExpectVector3Near(observedPositionAfterWorldTranslate, XCEngine::Math::Vector3(2.0f, 0.0f, 3.0f));
    ExpectVector3Near(observedForwardAfterWorldRotate, XCEngine::Math::Vector3(0.0f, 0.0f, 1.0f));
    ExpectVector3Near(observedForwardAfterSelfRotate, XCEngine::Math::Vector3(1.0f, 0.0f, 0.0f));
    ExpectVector3Near(observedForwardAfterLookAt, XCEngine::Math::Vector3(0.0f, 0.0f, 1.0f));

    ExpectVector3Near(host->GetTransform()->GetPosition(), XCEngine::Math::Vector3(2.0f, 0.0f, 3.0f));
    ExpectVector3Near(host->GetTransform()->GetForward(), XCEngine::Math::Vector3(0.0f, 0.0f, 1.0f));
}

TEST_F(MonoScriptRuntimeTest, TransformConversionApiTransformsPointsAndDirectionsBetweenSpaces) {
    Scene* runtimeScene = CreateScene("MonoRuntimeScene");
    GameObject* host = runtimeScene->CreateGameObject("Host");
    ScriptComponent* component = AddScript(host, "Gameplay", "TransformConversionProbe");

    engine->OnRuntimeStart(runtimeScene);
    engine->OnUpdate(0.016f);

    XCEngine::Math::Vector3 observedWorldPoint;
    XCEngine::Math::Vector3 observedLocalPoint;
    XCEngine::Math::Vector3 observedWorldDirection;
    XCEngine::Math::Vector3 observedLocalDirection;

    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedWorldPoint", observedWorldPoint));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedLocalPoint", observedLocalPoint));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedWorldDirection", observedWorldDirection));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedLocalDirection", observedLocalDirection));

    ExpectVector3Near(observedWorldPoint, XCEngine::Math::Vector3(7.0f, 0.0f, 1.0f));
    ExpectVector3Near(observedLocalPoint, XCEngine::Math::Vector3(0.0f, 0.0f, 2.0f));
    ExpectVector3Near(observedWorldDirection, XCEngine::Math::Vector3(1.0f, 0.0f, 0.0f));
    ExpectVector3Near(observedLocalDirection, XCEngine::Math::Vector3(0.0f, 0.0f, 1.0f));

    ExpectVector3Near(host->GetTransform()->TransformPoint(XCEngine::Math::Vector3(0.0f, 0.0f, 2.0f)), XCEngine::Math::Vector3(7.0f, 0.0f, 1.0f));
    ExpectVector3Near(host->GetTransform()->InverseTransformDirection(XCEngine::Math::Vector3(1.0f, 0.0f, 0.0f)), XCEngine::Math::Vector3(0.0f, 0.0f, 1.0f));
}

TEST_F(MonoScriptRuntimeTest, TransformOrientationOverloadsSupportAxisAngleAndCustomUpVector) {
    Scene* runtimeScene = CreateScene("MonoRuntimeScene");
    GameObject* host = runtimeScene->CreateGameObject("Host");
    ScriptComponent* component = AddScript(host, "Gameplay", "TransformOrientationProbe");

    engine->OnRuntimeStart(runtimeScene);
    engine->OnUpdate(0.016f);

    XCEngine::Math::Vector3 observedForwardAfterAxisAngleRotate;
    XCEngine::Math::Vector3 observedForwardAfterWorldAxisAngleRotate;
    XCEngine::Math::Vector3 observedForwardAfterDefaultLookAt;
    XCEngine::Math::Vector3 observedRightAfterDefaultLookAt;
    XCEngine::Math::Vector3 observedUpAfterDefaultLookAt;
    XCEngine::Math::Vector3 observedForwardAfterLookAtWithUp;
    XCEngine::Math::Vector3 observedRightAfterLookAtWithUp;
    XCEngine::Math::Vector3 observedUpAfterLookAtWithUp;

    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedForwardAfterAxisAngleRotate", observedForwardAfterAxisAngleRotate));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedForwardAfterWorldAxisAngleRotate", observedForwardAfterWorldAxisAngleRotate));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedForwardAfterDefaultLookAt", observedForwardAfterDefaultLookAt));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedRightAfterDefaultLookAt", observedRightAfterDefaultLookAt));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedUpAfterDefaultLookAt", observedUpAfterDefaultLookAt));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedForwardAfterLookAtWithUp", observedForwardAfterLookAtWithUp));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedRightAfterLookAtWithUp", observedRightAfterLookAtWithUp));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedUpAfterLookAtWithUp", observedUpAfterLookAtWithUp));

    ExpectVector3Near(observedForwardAfterAxisAngleRotate, XCEngine::Math::Vector3(1.0f, 0.0f, 0.0f));
    ExpectVector3Near(observedForwardAfterWorldAxisAngleRotate, XCEngine::Math::Vector3(1.0f, 0.0f, 0.0f));

    EXPECT_NEAR(observedForwardAfterDefaultLookAt.Magnitude(), 1.0f, 0.001f);
    EXPECT_NEAR(observedRightAfterDefaultLookAt.Magnitude(), 1.0f, 0.001f);
    EXPECT_NEAR(observedUpAfterDefaultLookAt.Magnitude(), 1.0f, 0.001f);
    EXPECT_NEAR(observedForwardAfterLookAtWithUp.Magnitude(), 1.0f, 0.001f);
    EXPECT_NEAR(observedRightAfterLookAtWithUp.Magnitude(), 1.0f, 0.001f);
    EXPECT_NEAR(observedUpAfterLookAtWithUp.Magnitude(), 1.0f, 0.001f);

    EXPECT_GT((observedRightAfterLookAtWithUp - observedRightAfterDefaultLookAt).Magnitude(), 0.5f);
    EXPECT_GT((observedUpAfterLookAtWithUp - observedUpAfterDefaultLookAt).Magnitude(), 0.5f);

    ExpectVector3Near(host->GetTransform()->GetForward(), observedForwardAfterLookAtWithUp);
    ExpectVector3Near(host->GetTransform()->GetRight(), observedRightAfterLookAtWithUp);
    ExpectVector3Near(host->GetTransform()->GetUp(), observedUpAfterLookAtWithUp);
}

TEST_F(MonoScriptRuntimeTest, ManagedBehaviourCanDisableItselfThroughEnabledProperty) {
    Scene* runtimeScene = CreateScene("MonoRuntimeScene");
    GameObject* host = runtimeScene->CreateGameObject("Host");
    ScriptComponent* component = AddScript(host, "Gameplay", "LifecycleProbe");

    component->GetFieldStorage().SetFieldValue("DisableSelfOnFirstUpdate", true);

    engine->OnRuntimeStart(runtimeScene);
    engine->OnUpdate(0.016f);
    engine->OnLateUpdate(0.016f);

    int32_t updateCount = 0;
    int32_t lateUpdateCount = 0;
    int32_t disableCount = 0;
    bool observedEnabled = false;
    bool observedIsActiveAndEnabled = false;

    EXPECT_TRUE(runtime->TryGetFieldValue(component, "UpdateCount", updateCount));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "LateUpdateCount", lateUpdateCount));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "DisableCount", disableCount));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedEnabled", observedEnabled));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedIsActiveAndEnabled", observedIsActiveAndEnabled));

    EXPECT_FALSE(component->IsEnabled());
    EXPECT_EQ(updateCount, 1);
    EXPECT_EQ(lateUpdateCount, 0);
    EXPECT_EQ(disableCount, 1);
    EXPECT_TRUE(observedEnabled);
    EXPECT_TRUE(observedIsActiveAndEnabled);

    engine->OnUpdate(0.016f);
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "UpdateCount", updateCount));
    EXPECT_EQ(updateCount, 1);
}

TEST_F(MonoScriptRuntimeTest, ManagedScriptCanDeactivateItsHostGameObject) {
    Scene* runtimeScene = CreateScene("MonoRuntimeScene");
    GameObject* host = runtimeScene->CreateGameObject("Host");
    ScriptComponent* component = AddScript(host, "Gameplay", "LifecycleProbe");

    component->GetFieldStorage().SetFieldValue("DeactivateGameObjectOnFirstUpdate", true);

    engine->OnRuntimeStart(runtimeScene);
    engine->OnUpdate(0.016f);
    engine->OnLateUpdate(0.016f);

    int32_t updateCount = 0;
    int32_t lateUpdateCount = 0;
    int32_t disableCount = 0;
    bool observedActiveSelf = false;
    bool observedActiveInHierarchy = false;

    EXPECT_TRUE(runtime->TryGetFieldValue(component, "UpdateCount", updateCount));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "LateUpdateCount", lateUpdateCount));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "DisableCount", disableCount));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedActiveSelf", observedActiveSelf));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "ObservedActiveInHierarchy", observedActiveInHierarchy));

    EXPECT_FALSE(host->IsActive());
    EXPECT_FALSE(host->IsActiveInHierarchy());
    EXPECT_TRUE(component->IsEnabled());
    EXPECT_EQ(updateCount, 1);
    EXPECT_EQ(lateUpdateCount, 0);
    EXPECT_EQ(disableCount, 1);
    EXPECT_TRUE(observedActiveSelf);
    EXPECT_TRUE(observedActiveInHierarchy);

    engine->OnUpdate(0.016f);
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "UpdateCount", updateCount));
    EXPECT_EQ(updateCount, 1);
}

TEST_F(MonoScriptRuntimeTest, DisableEnablePreservesSingleInstanceAndStartOnlyRunsOnce) {
    Scene* runtimeScene = CreateScene("MonoRuntimeScene");
    GameObject* host = runtimeScene->CreateGameObject("Host");
    ScriptComponent* component = AddScript(host, "Gameplay", "LifecycleProbe");

    engine->OnRuntimeStart(runtimeScene);
    engine->OnUpdate(0.016f);

    component->SetEnabled(false);

    int32_t disableCount = 0;
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "DisableCount", disableCount));
    EXPECT_EQ(disableCount, 1);
    EXPECT_EQ(runtime->GetManagedInstanceCount(), 1u);

    component->SetEnabled(true);
    engine->OnUpdate(0.016f);

    int32_t enableCount = 0;
    int32_t startCount = 0;
    int32_t updateCount = 0;

    EXPECT_TRUE(runtime->TryGetFieldValue(component, "EnableCount", enableCount));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "StartCount", startCount));
    EXPECT_TRUE(runtime->TryGetFieldValue(component, "UpdateCount", updateCount));

    EXPECT_EQ(enableCount, 2);
    EXPECT_EQ(startCount, 1);
    EXPECT_EQ(updateCount, 2);

    engine->OnRuntimeStop();

    EXPECT_FALSE(runtime->HasManagedInstance(component));
    EXPECT_EQ(runtime->GetManagedInstanceCount(), 0u);
}

} // namespace