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

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_Redstone_c_
2021-12-10 21:43:57 +08:00
parent cfb53c21e0
commit 60b4ec6f58
4 changed files with 222 additions and 0 deletions
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Redcraft.Utility/Source/Private/Testing/TypeTraitsTesting.cpp Normal file
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#include "Testing/TypeTraitsTesting.h"
#include "Misc/AssertionMacros.h"
#include "TypeTraits/HelperClasses.h"
#include "TypeTraits/PrimaryType.h"
NAMESPACE_REDCRAFT_BEGIN
NAMESPACE_MODULE_BEGIN(Redcraft)
NAMESPACE_MODULE_BEGIN(Utility)
// Warning: The test here is not a complete test, it is only used to determine whether the environment supports the traits
int32 TestObject;
void TestFunction() { }
struct FTestStruct { };
enum ETestEnum { };
enum class ETestEnumClass { };
union FTestUnion { };
void TestTypeTraits()
{
// HelperClasses.h
always_check(TypeTraits::TIntegralConstant<1>::Value == 1);
always_check(static_cast<int32>(TypeTraits::TIntegralConstant<2>::Value) == 2);
always_check(TypeTraits::TIntegralConstant<3>() == 3);
always_check(!TypeTraits::FFalse::Value);
always_check(TypeTraits::FTrue::Value);
always_check(TypeTraits::TAnd<TypeTraits::FTrue>::Value);
always_check(!TypeTraits::TAnd<TypeTraits::FFalse>::Value);
always_check((TypeTraits::TAnd<TypeTraits::FTrue, TypeTraits::FTrue>::Value));
always_check(!(TypeTraits::TAnd<TypeTraits::FFalse, TypeTraits::FTrue>::Value));
always_check(!(TypeTraits::TAnd<TypeTraits::FTrue, TypeTraits::FFalse>::Value));
always_check(!(TypeTraits::TAnd<TypeTraits::FFalse, TypeTraits::FFalse>::Value));
always_check(TypeTraits::TOr<TypeTraits::FTrue>::Value);
always_check(!TypeTraits::TOr<TypeTraits::FFalse>::Value);
always_check((TypeTraits::TOr<TypeTraits::FTrue, TypeTraits::FTrue>::Value));
always_check((TypeTraits::TOr<TypeTraits::FFalse, TypeTraits::FTrue>::Value));
always_check((TypeTraits::TOr<TypeTraits::FTrue, TypeTraits::FFalse>::Value));
always_check(!(TypeTraits::TOr<TypeTraits::FFalse, TypeTraits::FFalse>::Value));
always_check(!TypeTraits::TNot<TypeTraits::FTrue>::Value);
always_check(TypeTraits::TNot<TypeTraits::FFalse>::Value);
// PrimaryType.h
always_check(!TypeTraits::TIsVoid<int32>::Value);
always_check(TypeTraits::TIsVoid<void>::Value);
always_check(TypeTraits::TIsVoid<const void>::Value);
always_check(TypeTraits::TIsVoid<const volatile void>::Value);
always_check(TypeTraits::TIsVoid<volatile void>::Value);
always_check(!TypeTraits::TIsNullPointer<int32>::Value);
always_check(TypeTraits::TIsNullPointer<nullptr_t>::Value);
always_check(TypeTraits::TIsIntegral<int32>::Value);
always_check(!TypeTraits::TIsIntegral<float>::Value);
always_check(!TypeTraits::TIsFloatingPoint<int32>::Value);
always_check(TypeTraits::TIsFloatingPoint<float>::Value);
always_check(!TypeTraits::TIsArray<int32>::Value);
always_check(TypeTraits::TIsArray<int32[]>::Value);
always_check(TypeTraits::TIsArray<int32[10]>::Value);
always_check(!TypeTraits::TIsPointer<int32>::Value);
always_check(TypeTraits::TIsPointer<int32*>::Value);
always_check(!TypeTraits::TIsLValueReference<int32>::Value);
always_check(TypeTraits::TIsLValueReference<int32&>::Value);
always_check(!TypeTraits::TIsLValueReference<int32&&>::Value);
always_check(!TypeTraits::TIsRValueReference<int32>::Value);
always_check(!TypeTraits::TIsRValueReference<int32&>::Value);
always_check(TypeTraits::TIsRValueReference<int32&&>::Value);
always_check(TypeTraits::TIsMemberObjectPointer<int32(FTestStruct::*)>::Value);
always_check(!TypeTraits::TIsMemberObjectPointer<int32(FTestStruct::*)()>::Value);
always_check(!TypeTraits::TIsMemberFunctionPointer<int32(FTestStruct::*)>::Value);
always_check(TypeTraits::TIsMemberFunctionPointer<int32(FTestStruct::*)()>::Value);
always_check(!TypeTraits::TIsEnum<int32>::Value);
always_check(!TypeTraits::TIsEnum<FTestStruct>::Value);
always_check(TypeTraits::TIsEnum<ETestEnum>::Value);
always_check(TypeTraits::TIsEnum<ETestEnumClass>::Value);
always_check(!TypeTraits::TIsUnion<int32>::Value);
always_check(!TypeTraits::TIsUnion<FTestStruct>::Value);
always_check(TypeTraits::TIsUnion<FTestUnion>::Value);
always_check(!TypeTraits::TIsUnion<int32>::Value);
always_check(!TypeTraits::TIsUnion<FTestStruct>::Value);
always_check(TypeTraits::TIsUnion<FTestUnion>::Value);
always_check(!TypeTraits::TIsFunction<int32>::Value);
always_check(!TypeTraits::TIsFunction<FTestStruct>::Value);
always_check(!TypeTraits::TIsFunction<FTestUnion>::Value);
always_check(TypeTraits::TIsFunction<int32(int32)>::Value);
always_check(!TypeTraits::TIsEnumClass<ETestEnum>::Value);
always_check(TypeTraits::TIsEnumClass<ETestEnumClass>::Value);
}
NAMESPACE_MODULE_END(Utility)
NAMESPACE_MODULE_END(Redcraft)
NAMESPACE_REDCRAFT_END