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feat(typetraits): add TypeTraits/CompositeType.h and the corresponding testing

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This commit is contained in:
_Redstone_c_ 2021-12-12 10:32:22 +08:00
parent 60b4ec6f58
commit 29c01baf63
2 changed files with 65 additions and 0 deletions
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41
Redcraft.Utility/Source/Private/Testing/TypeTraitsTesting.cpp
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@ -2,6 +2,7 @@
#include "Misc/AssertionMacros.h"
#include "TypeTraits/HelperClasses.h"
#include "TypeTraits/PrimaryType.h"
#include "TypeTraits/CompositeType.h"
NAMESPACE_REDCRAFT_BEGIN
NAMESPACE_MODULE_BEGIN(Redcraft)
@ -106,6 +107,46 @@ void TestTypeTraits()
always_check(!TypeTraits::TIsEnumClass<ETestEnum>::Value);
always_check(TypeTraits::TIsEnumClass<ETestEnumClass>::Value);
// CompositeType.h
always_check(!TypeTraits::TIsFundamental<FTestStruct>::Value);
always_check(TypeTraits::TIsFundamental<int32>::Value);
always_check(TypeTraits::TIsFundamental<float>::Value);
always_check(!TypeTraits::TIsFundamental<int32*>::Value);
always_check(TypeTraits::TIsFundamental<void>::Value);
always_check(!TypeTraits::TIsArithmetic<FTestStruct>::Value);
always_check(TypeTraits::TIsArithmetic<int32>::Value);
always_check(TypeTraits::TIsArithmetic<float>::Value);
always_check(!TypeTraits::TIsArithmetic<int32*>::Value);
always_check(!TypeTraits::TIsArithmetic<void>::Value);
always_check(!TypeTraits::TIsScalar<FTestStruct>::Value);
always_check(TypeTraits::TIsScalar<int32>::Value);
always_check(TypeTraits::TIsScalar<float>::Value);
always_check(TypeTraits::TIsScalar<int32*>::Value);
always_check(!TypeTraits::TIsScalar<void>::Value);
always_check(TypeTraits::TIsObject<FTestStruct>::Value);
always_check(!TypeTraits::TIsObject<FTestStruct&>::Value);
always_check(TypeTraits::TIsObject<int32>::Value);
always_check(TypeTraits::TIsObject<int32*>::Value);
always_check(!TypeTraits::TIsObject<int32&>::Value);
always_check(TypeTraits::TIsCompound<FTestStruct>::Value);
always_check(TypeTraits::TIsCompound<FTestStruct&>::Value);
always_check(!TypeTraits::TIsCompound<int32>::Value);
always_check(TypeTraits::TIsCompound<int32*>::Value);
always_check(TypeTraits::TIsCompound<int32&>::Value);
always_check(!TypeTraits::TIsReference<int32>::Value);
always_check(!TypeTraits::TIsReference<int32*>::Value);
always_check(TypeTraits::TIsReference<int32&>::Value);
always_check(TypeTraits::TIsReference<int32&&>::Value);
always_check(!TypeTraits::TIsMemberPointer<FTestStruct>::Value);
always_check(TypeTraits::TIsMemberPointer<int32(FTestStruct::*)>::Value);
}
NAMESPACE_MODULE_END(Utility)

24
Redcraft.Utility/Source/Public/TypeTraits/CompositeType.h Normal file
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@ -0,0 +1,24 @@
#pragma once
#include "CoreTypes.h"
#include "TypeTraits/HelperClasses.h"
#include <type_traits>
NAMESPACE_REDCRAFT_BEGIN
NAMESPACE_MODULE_BEGIN(Redcraft)
NAMESPACE_MODULE_BEGIN(Utility)
NAMESPACE_BEGIN(TypeTraits)
template <typename T> struct TIsReference : TBoolConstant<NAMESPACE_STD::is_reference_v<T>> { };
template <typename T> struct TIsArithmetic : TBoolConstant<NAMESPACE_STD::is_arithmetic_v<T>> { };
template <typename T> struct TIsFundamental : TBoolConstant<NAMESPACE_STD::is_fundamental_v<T>> { };
template <typename T> struct TIsObject : TBoolConstant<NAMESPACE_STD::is_object_v<T>> { };
template <typename T> struct TIsScalar : TBoolConstant<NAMESPACE_STD::is_scalar_v<T>> { };
template <typename T> struct TIsCompound : TBoolConstant<NAMESPACE_STD::is_compound_v<T>> { };
template <typename T> struct TIsMemberPointer : TBoolConstant<NAMESPACE_STD::is_member_pointer_v<T>> { };
NAMESPACE_END(TypeTraits)
NAMESPACE_MODULE_END(Utility)
NAMESPACE_MODULE_END(Redcraft)
NAMESPACE_REDCRAFT_END