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UnrealEngineUWP/Engine/Source/Runtime/CoreUObject/Tests/PropertyClassTest.cpp

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// Copyright Epic Games, Inc. All Rights Reserved.
#if WITH_LOW_LEVEL_TESTS
#include "TestHarness.h"
#include "TestMacros/Assertions.h"
#include "ObjectPtrTestClass.h"
#include "UObject/Package.h"
#include "Misc/ScopeExit.h"
#include "UObject/UnrealType.h"
#include "UObject/LinkerPlaceholderExportObject.h"
#include "UObject/LinkerPlaceholderClass.h"
#include "UObject/ObjectHandleTracking.h"
#include "LowLevelTestsRunner/WarnFilterScope.h"
TEST_CASE("UE::CoreUObject::FClassProperty::Identical")
{
bool bAllowRead = false;
#if UE_WITH_OBJECT_HANDLE_TRACKING
auto CallbackHandle = UE::CoreUObject::AddObjectHandleReadCallback([&bAllowRead](TArrayView<const UObject* const> Objects)
{
if (!bAllowRead)
FAIL("Unexpected read during CheckValidObject");
});
ON_SCOPE_EXIT
{
UE::CoreUObject::RemoveObjectHandleReadCallback(CallbackHandle);
};
#endif
UClass* Class = UObjectWithClassProperty::StaticClass();
FObjectProperty* Property = CastField<FObjectProperty>(Class->FindPropertyByName(TEXT("ClassPtr")));
REQUIRE(Property != nullptr);
UPackage* TestPackage = NewObject<UPackage>(nullptr, TEXT("TestPackageName"), RF_Transient);
TestPackage->AddToRoot();
ON_SCOPE_EXIT
{
TestPackage->RemoveFromRoot();
};
UObjectWithClassProperty* Obj = NewObject<UObjectWithClassProperty>(TestPackage, TEXT("UObjectWithClassProperty"));
CHECK(Property->Identical(Obj, Obj, 0u));
}
#endif