diff --git a/AttributesExtension.uplugin b/AttributesExtension.uplugin
index a35909d..aab4783 100644
--- a/AttributesExtension.uplugin
+++ b/AttributesExtension.uplugin
@@ -43,6 +43,17 @@
 				"XboxOne",
 				"Switch"
 			]
+		},
+		{
+			"Name" : "AttributesTest",
+			"Type" : "Developer",
+			"LoadingPhase" : "PreDefault",
+			"WhitelistPlatforms": [
+				"Win64",
+				"Win32",
+				"Linux",
+				"Mac"
+			]
 		}
 	]
 }
\ No newline at end of file
diff --git a/Source/Test/AttributesTest.Build.cs b/Source/Test/AttributesTest.Build.cs
new file mode 100644
index 0000000..9c137e1
--- /dev/null
+++ b/Source/Test/AttributesTest.Build.cs
@@ -0,0 +1,27 @@
+// Copyright 2015-2019 Piperift. All Rights Reserved.
+
+using UnrealBuildTool;
+using System.IO;
+
+namespace UnrealBuildTool.Rules
+{
+	public class AttributesTest : ModuleRules {
+		public AttributesTest(ReadOnlyTargetRules Target) : base(Target)
+		{
+			PCHUsage = PCHUsageMode.UseExplicitOrSharedPCHs;
+			bEnforceIWYU = true;
+
+			PublicDependencyModuleNames.AddRange(new string[]
+			{
+				"Core",
+				"Engine",
+				"CoreUObject",
+				"Attributes"
+			});
+
+			PrivateDependencyModuleNames.AddRange(new string[]
+			{
+			});
+		}
+	}
+}
\ No newline at end of file
diff --git a/Source/Test/Private/Attributes.spec.cpp b/Source/Test/Private/Attributes.spec.cpp
new file mode 100644
index 0000000..1ce4748
--- /dev/null
+++ b/Source/Test/Private/Attributes.spec.cpp
@@ -0,0 +1,54 @@
+// Copyright 2015-2019 Piperift. All Rights Reserved.
+
+#include "TestHelpers.h"
+#include "FloatAttr.h"
+#include "Int32Attr.h"
+
+namespace
+{
+	constexpr uint32 Flags_Product = EAutomationTestFlags::ApplicationContextMask | EAutomationTestFlags::ProductFilter;
+	constexpr uint32 Flags_Smoke = EAutomationTestFlags::ApplicationContextMask | EAutomationTestFlags::ProductFilter;
+}
+
+#define BASE_SPEC FAESpec
+
+TESTSPEC(FFloatAttributesSpec, "AttributesExtension.Float", Flags_Smoke)
+void FFloatAttributesSpec::Define()
+{
+	It("Attributes can be instantiated empty", [this]()
+	{
+		FFloatAttr Attr;
+		TestTrue(TEXT("Base Value is set"), Attr.GetBaseValue() == 0.0f);
+		TestTrue(TEXT("Value is set"), Attr == 0.0f);
+	});
+
+	It("Attributes can be instantiated with a base value", [this]()
+	{
+		FFloatAttr Attr { 5.f };
+		TestTrue(TEXT("Base Value is set"), Attr.GetBaseValue() == 5.0f);
+		TestTrue(TEXT("Base Value is set"), Attr == 5.0f);
+	});
+}
+
+TESTSPEC(FInt32AttributesSpec, "AttributesExtension.Int32", Flags_Smoke)
+void FInt32AttributesSpec::Define()
+{
+	It("Attributes can be instantiated empty", [this]()
+	{
+		FInt32Attr Attr;
+		TestTrue(TEXT("Base Value is set"), Attr.GetBaseValue() == 0);
+		TestTrue(TEXT("Value is set"), Attr == 0);
+	});
+
+	It("Attributes can be instantiated with a base value", [this]()
+	{
+		FInt32Attr Attr{ 5 };
+		TestTrue(TEXT("Base Value is set"), Attr.GetBaseValue() == 5);
+		TestTrue(TEXT("Base Value is set"), Attr == 5);
+	});
+}
+
+TESTSPEC(FModifiersSpec, "AttributesExtension.Modifiers", Flags_Product)
+void FModifiersSpec::Define()
+{
+}
diff --git a/Source/Test/Private/AttributesTest.cpp b/Source/Test/Private/AttributesTest.cpp
new file mode 100644
index 0000000..a8666de
--- /dev/null
+++ b/Source/Test/Private/AttributesTest.cpp
@@ -0,0 +1,3 @@
+// Copyright 2015-2019 Piperift. All Rights Reserved.
+
+#include "AttributesTest.h"
diff --git a/Source/Test/Private/TestHelpers.cpp b/Source/Test/Private/TestHelpers.cpp
new file mode 100644
index 0000000..b0196f8
--- /dev/null
+++ b/Source/Test/Private/TestHelpers.cpp
@@ -0,0 +1,41 @@
+// Copyright 2015-2019 Piperift. All Rights Reserved.
+
+#include "TestHelpers.h"
+
+#include <Engine/Engine.h>
+#include <Engine/LocalPlayer.h>
+#include <GameFramework/Actor.h>
+#include <GameFramework/PlayerController.h>
+#include <GameFramework/WorldSettings.h>
+#include <EngineUtils.h>
+
+
+UWorld* FAESpec::GetTestWorld() const
+{
+#if WITH_EDITOR
+	const TIndirectArray<FWorldContext>& WorldContexts = GEngine->GetWorldContexts();
+	for (const FWorldContext& Context : WorldContexts)
+	{
+		if (Context.World() != nullptr)
+		{
+			if (Context.WorldType == EWorldType::PIE /*&& Context.PIEInstance == 0*/)
+			{
+				return Context.World();
+			}
+
+			if (Context.WorldType == EWorldType::Game)
+			{
+				return Context.World();
+			}
+		}
+	}
+#endif
+
+	UWorld* TestWorld = GWorld;
+	if (GIsEditor)
+	{
+		UE_LOG(LogTemp, Warning, TEXT("AttributesExtension Test using GWorld. Not correct for PIE"));
+	}
+
+	return TestWorld;
+}
diff --git a/Source/Test/Public/AttributesTest.h b/Source/Test/Public/AttributesTest.h
new file mode 100644
index 0000000..1105e8f
--- /dev/null
+++ b/Source/Test/Public/AttributesTest.h
@@ -0,0 +1,24 @@
+// Copyright 2015-2019 Piperift. All Rights Reserved.
+
+#pragma once
+
+#include <Modules/ModuleManager.h>
+
+
+class FAttributesTest : public IModuleInterface
+{
+public:
+
+	virtual void StartupModule() override {}
+	virtual void ShutdownModule() override {}
+
+	static inline FAttributesTest& Get() {
+		return FModuleManager::LoadModuleChecked<FAttributesTest>("AttributesTest");
+	}
+
+	static inline bool IsAvailable() {
+		return FModuleManager::Get().IsModuleLoaded("AttributesTest");
+	}
+};
+
+IMPLEMENT_MODULE(FAttributesTest, AttributesTest);
diff --git a/Source/Test/Public/TestHelpers.h b/Source/Test/Public/TestHelpers.h
new file mode 100644
index 0000000..bb5cf75
--- /dev/null
+++ b/Source/Test/Public/TestHelpers.h
@@ -0,0 +1,76 @@
+// Copyright 2015-2019 Piperift. All Rights Reserved.
+
+#pragma once
+
+#include <CoreMinimal.h>
+#include <Misc/AutomationTest.h>
+#include <Engine/World.h>
+
+
+class FAESpec : public FAutomationSpecBase
+{
+public:
+
+	FAESpec(const FString& InName, const bool bInComplexTask)
+		: FAutomationSpecBase(InName, bInComplexTask)
+	{}
+
+protected:
+
+	void TestNotImplemented()
+	{
+		AddWarning("Test not implemented.");
+	}
+
+	UWorld* GetTestWorld() const;
+};
+
+
+#define BASE_SPEC FAESpec
+
+#define BEGIN_TESTSPEC_PRIVATE( TClass, PrettyName, TFlags, FileName, LineNumber ) \
+	class TClass : public BASE_SPEC \
+	{ \
+	using Super = BASE_SPEC; \
+	public: \
+		TClass( const FString& InName ) \
+		: Super( InName, false ) { \
+			static_assert((TFlags)&EAutomationTestFlags::ApplicationContextMask, "AutomationTest has no application flag.  It shouldn't run.  See AutomationTest.h."); \
+			static_assert(	(((TFlags)&EAutomationTestFlags::FilterMask) == EAutomationTestFlags::SmokeFilter) || \
+							(((TFlags)&EAutomationTestFlags::FilterMask) == EAutomationTestFlags::EngineFilter) || \
+							(((TFlags)&EAutomationTestFlags::FilterMask) == EAutomationTestFlags::ProductFilter) || \
+							(((TFlags)&EAutomationTestFlags::FilterMask) == EAutomationTestFlags::PerfFilter) || \
+							(((TFlags)&EAutomationTestFlags::FilterMask) == EAutomationTestFlags::StressFilter) || \
+							(((TFlags)&EAutomationTestFlags::FilterMask) == EAutomationTestFlags::NegativeFilter), \
+							"All AutomationTests must have exactly 1 filter type specified.  See AutomationTest.h."); \
+		} \
+		virtual uint32 GetTestFlags() const override { return TFlags; } \
+		using Super::GetTestSourceFileName; \
+		virtual FString GetTestSourceFileName() const override { return FileName; } \
+		using Super::GetTestSourceFileLine; \
+		virtual int32 GetTestSourceFileLine() const override { return LineNumber; } \
+	protected: \
+		virtual FString GetBeautifiedTestName() const override { return PrettyName; } \
+		virtual void Define() override;
+
+
+#if WITH_AUTOMATION_WORKER
+	#define TESTSPEC( TClass, PrettyName, TFlags ) \
+		BEGIN_TESTSPEC_PRIVATE(TClass, PrettyName, TFlags, __FILE__, __LINE__) \
+		};\
+		namespace\
+		{\
+			TClass TClass##AutomationSpecInstance( TEXT(#TClass) );\
+		}
+
+	#define BEGIN_TESTSPEC( TClass, PrettyName, TFlags ) \
+		BEGIN_TESTSPEC_PRIVATE(TClass, PrettyName, TFlags, __FILE__, __LINE__)
+
+	#define END_TESTSPEC( TClass ) \
+		};\
+		namespace\
+		{\
+			TClass TClass##AutomationSpecInstance( TEXT(#TClass) );\
+		}
+#endif
+