// Copyright 1998-2015 Epic Games, Inc. All Rights Reserved.

#include "SerializationPrivatePCH.h"
#include "AutomationTest.h"
#include "JsonStructDeserializerBackend.h"
#include "JsonStructSerializerBackend.h"
#include "StructDeserializer.h"
#include "StructSerializer.h"
#include "StructSerializerTestTypes.h"


/* Internal helpers
 *****************************************************************************/

namespace StructSerializerTest
{
	void TestSerialization( FAutomationTestBase& Test, IStructSerializerBackend& SerializerBackend, IStructDeserializerBackend& DeserializerBackend )
	{
		// serialization
		FStructSerializerTestStruct TestStruct;
		{
			FStructSerializer::Serialize(TestStruct, SerializerBackend);
		}

		// deserialization
		FStructSerializerTestStruct TestStruct2(NoInit);
		{
			FStructDeserializerPolicies Policies;
			Policies.MissingFields = EStructDeserializerErrorPolicies::Warning;
			
			Test.TestTrue(TEXT("Deserialization must succeed"), FStructDeserializer::Deserialize(TestStruct2, DeserializerBackend, Policies));
		}

		// test for equality
		Test.TestEqual<int8>(TEXT("Numerics.Int8 value must be the same before and after de-/serialization"), TestStruct.Numerics.Int8, TestStruct2.Numerics.Int8);
		Test.TestEqual<int16>(TEXT("Numerics.Int16 value must be the same before and after de-/serialization"), TestStruct.Numerics.Int16, TestStruct2.Numerics.Int16);
		Test.TestEqual<int32>(TEXT("Numerics.Int32 value must be the same before and after de-/serialization"), TestStruct.Numerics.Int32, TestStruct2.Numerics.Int32);
		Test.TestEqual<int64>(TEXT("Numerics.Int64 value must be the same before and after de-/serialization"), TestStruct.Numerics.Int64, TestStruct2.Numerics.Int64);
		Test.TestEqual<uint8>(TEXT("Numerics.UInt8 value must be the same before and after de-/serialization"), TestStruct.Numerics.UInt8, TestStruct2.Numerics.UInt8);
		Test.TestEqual<uint16>(TEXT("Numerics.UInt16 value must be the same before and after de-/serialization"), TestStruct.Numerics.UInt16, TestStruct2.Numerics.UInt16);
		Test.TestEqual<uint32>(TEXT("Numerics.UInt32 value must be the same before and after de-/serialization"), TestStruct.Numerics.UInt32, TestStruct2.Numerics.UInt32);
		Test.TestEqual<uint64>(TEXT("Numerics.UInt64 value must be the same before and after de-/serialization"), TestStruct.Numerics.UInt64, TestStruct2.Numerics.UInt64);
		Test.TestEqual<float>(TEXT("Numerics.Float value must be the same before and after de-/serialization"), TestStruct.Numerics.Float, TestStruct2.Numerics.Float);
		Test.TestEqual<double>(TEXT("Numerics.Double value must be the same before and after de-/serialization"), TestStruct.Numerics.Double, TestStruct2.Numerics.Double);

		Test.TestEqual<bool>(TEXT("Booleans.BoolFalse must be the same before and after de-/serialization"), TestStruct.Booleans.BoolFalse, TestStruct2.Booleans.BoolFalse);
		Test.TestEqual<bool>(TEXT("Booleans.BoolTrue must be the same before and after de-/serialization"), TestStruct.Booleans.BoolTrue, TestStruct2.Booleans.BoolTrue);
		Test.TestEqual<uint32>(TEXT("Booleans.Bitfield must be the same before and after de-/serialization"), TestStruct.Booleans.Bitfield, TestStruct2.Booleans.Bitfield);

		Test.TestEqual<TSubclassOf<class UObject>>(TEXT("Objects.Class must be the same before and after de-/serialization"), TestStruct.Objects.Class, TestStruct2.Objects.Class);
		Test.TestEqual<UObject*>(TEXT("Objects.ObjectPtr must be the same before and after de-/serialization"), TestStruct.Objects.ObjectPtr, TestStruct2.Objects.ObjectPtr);

		Test.TestEqual<FGuid>(TEXT("Builtins.Guid must be the same before and after de-/serialization"), TestStruct.Builtins.Guid, TestStruct2.Builtins.Guid);
		Test.TestEqual<FName>(TEXT("Builtins.Name must be the same before and after de-/serialization"), TestStruct.Builtins.Name, TestStruct2.Builtins.Name);
		Test.TestEqual<FString>(TEXT("Builtins.String must be the same before and after de-/serialization"), TestStruct.Builtins.String, TestStruct2.Builtins.String);
		Test.TestEqual<FRotator>(TEXT("Builtins.Rotator must be the same before and after de-/serialization"), TestStruct.Builtins.Rotator, TestStruct2.Builtins.Rotator);
		Test.TestEqual<FVector>(TEXT("Builtins.Vector must be the same before and after de-/serialization"), TestStruct.Builtins.Vector, TestStruct2.Builtins.Vector);

		Test.TestEqual<TArray<int32>>(TEXT("Arrays.Int32Array must be the same before and after de-/serialization"), TestStruct.Arrays.Int32Array, TestStruct2.Arrays.Int32Array);
		Test.TestEqual<int32>(TEXT("Arrays.StaticSingleElement[0] must be the same before and after de-/serialization"), TestStruct.Arrays.StaticSingleElement[0], TestStruct2.Arrays.StaticSingleElement[0]);
		Test.TestEqual<int32>(TEXT("Arrays.StaticInt32Array[0] must be the same before and after de-/serialization"), TestStruct.Arrays.StaticInt32Array[0], TestStruct2.Arrays.StaticInt32Array[0]);
		Test.TestEqual<int32>(TEXT("Arrays.StaticInt32Array[1] must be the same before and after de-/serialization"), TestStruct.Arrays.StaticInt32Array[1], TestStruct2.Arrays.StaticInt32Array[1]);
		Test.TestEqual<int32>(TEXT("Arrays.StaticInt32Array[2] must be the same before and after de-/serialization"), TestStruct.Arrays.StaticInt32Array[2], TestStruct2.Arrays.StaticInt32Array[2]);
		Test.TestEqual<float>(TEXT("Arrays.StaticFloatArray[0] must be the same before and after de-/serialization"), TestStruct.Arrays.StaticFloatArray[0], TestStruct2.Arrays.StaticFloatArray[0]);
		Test.TestEqual<float>(TEXT("Arrays.StaticFloatArray[1] must be the same before and after de-/serialization"), TestStruct.Arrays.StaticFloatArray[1], TestStruct2.Arrays.StaticFloatArray[1]);
		Test.TestEqual<float>(TEXT("Arrays.StaticFloatArray[2] must be the same before and after de-/serialization"), TestStruct.Arrays.StaticFloatArray[2], TestStruct2.Arrays.StaticFloatArray[2]);
		Test.TestEqual<TArray<FVector>>(TEXT("Arrays.VectorArray must be the same before and after de-/serialization"), TestStruct.Arrays.VectorArray, TestStruct2.Arrays.VectorArray);
	}
}


/* Tests
 *****************************************************************************/

IMPLEMENT_SIMPLE_AUTOMATION_TEST(FJsonStructSerializerTest, "System.Core.Serialization.JsonStructSerializer", EAutomationTestFlags::ATF_Editor)


bool FJsonStructSerializerTest::RunTest( const FString& Parameters )
{
	// json
	{
		TArray<uint8> Buffer;
		FMemoryReader Reader(Buffer);
		FMemoryWriter Writer(Buffer);

		FJsonStructSerializerBackend SerializerBackend(Writer);
		FJsonStructDeserializerBackend DeserializerBackend(Reader);

		StructSerializerTest::TestSerialization(*this, SerializerBackend, DeserializerBackend);

		// uncomment this to look at the serialized data
		//uint8* Data = Buffer.GetData();
		//GLog->Logf(TEXT("%s"), (TCHAR*)Data);
	}

	return true;
}