Redcraft/Redcraft.Utility/Source/Private/Testing/TemplatesTesting.cpp

564 lines
13 KiB
C++

#include "Testing/TemplatesTesting.h"
#include "Miscellaneous/AssertionMacros.h"
#include "Miscellaneous/Compare.h"
#include "Templates/Templates.h"
#pragma warning(disable : 4930)
#pragma warning(disable : 4101)
#pragma warning(disable : 4244)
NAMESPACE_REDCRAFT_BEGIN
NAMESPACE_MODULE_BEGIN(Redcraft)
NAMESPACE_MODULE_BEGIN(Utility)
NAMESPACE_BEGIN(Testing)
void TestTemplates()
{
TestInvoke();
TestReferenceWrapper();
TestOptional();
TestVariant();
TestAny();
TestMiscTemplates();
}
NAMESPACE_UNNAMED_BEGIN
int32 TestFunctionA(int32 A, int32 B, int32 C)
{
return A + B + C;
}
struct FTestStructA
{
int32 Num;
FTestStructA(int32 InNum) : Num(InNum) { }
int32 Add(int32 A) const { return Num + A; }
};
NAMESPACE_UNNAMED_END
void TestInvoke()
{
Invoke([=]() { });
FTestStructA TempA(123);
always_check(Invoke(TestFunctionA, 1, 2, 3) == 6);
always_check(Invoke(&FTestStructA::Add, TempA, 1) == 124);
always_check(Invoke(&FTestStructA::Add, &TempA, 1) == 124);
int32 TempB = Invoke(&FTestStructA::Num, &TempA);
int32 TempC = Invoke(&FTestStructA::Num, TempA);
always_check(TempB == 123);
always_check(TempC == 123);
int64 TempD = InvokeResult<int64>(&FTestStructA::Num, &TempA);
int64 TempE = InvokeResult<int64>(&FTestStructA::Num, TempA);
always_check(TempD == 123);
always_check(TempE == 123);
}
void TestReferenceWrapper()
{
typedef int32(*FuncType)(int32, int32, int32);
FuncType TempA = [](int32 A, int32 B, int32 C) -> int32 { return A * B * C; };
TReferenceWrapper<FuncType> TempB(TempA);
always_check(TempB(1, 1, 1) == 1);
TempB.Get() = &TestFunctionA;
always_check(TempA(1, 1, 1) == 3);
int32 ArrayA[3] = { 1, 2, 3 };
TReferenceWrapper<int32> ArrayB[3] = { ArrayA[1], ArrayA[0], ArrayA[2] };
always_check(ArrayB[0] == 2);
always_check(ArrayB[1] == 1);
always_check(ArrayB[2] == 3);
for (int32& Element : ArrayB) Element *= 2;
always_check(ArrayA[0] == 2);
always_check(ArrayA[1] == 4);
always_check(ArrayA[2] == 6);
}
void TestOptional()
{
TOptional<int32> TempA;
TOptional<int32> TempB(Invalid);
TOptional<int32> TempC(InPlace, 0);
TOptional<int32> TempD(0);
TOptional<int32> TempE(0l);
TOptional<int32> TempF(0.0);
TOptional<int32> TempG(TempA);
TOptional<int32> TempH(TempD);
TOptional<int32> TempI(MakeOptional<int32>(0));
TOptional<int32> TempJ(MakeOptional<int32>(Invalid));
TOptional<int32> TempK, TempL, TempM, TempN;
TempK = TempA;
TempL = TempD;
TempM = MakeOptional<int32>(0);
TempN = MakeOptional<int32>(Invalid);
*TempL = 303;
*TempM = 404;
TOptional<int32> TempO;
TempO.Emplace(404);
always_check(TempO);
always_check(TempO.IsValid());
always_check(*TempO == 404);
always_check(TempO.GetValue() == 404);
always_check(TempO.Get(500) == 404);
TempO.Reset();
always_check(TempO == TempO);
always_check(!(TempO != TempO));
always_check(TempO.Get(500) == 500);
int32 TempP = 200;
TempO = TempP;
TempO = 300;
always_check(TempO != TempA);
always_check(TempO != TempD);
always_check(TempO == TempO);
always_check(TempO == 300);
always_check(300 == TempO);
int16 TempQ = 1024;
TOptional<int16> TempR = TempQ;
TOptional<int32> TempS(InPlace, TempQ);
TOptional<int32> TempT(TempQ);
TOptional<int32> TempU(TempR);
TOptional<int32> TempV(MakeOptional<int16>(2048));
TOptional<int32> TempW, TempX, TempY;
TempW = TempQ;
TempX = TempR;
TempY = MakeOptional<int16>(2048);
struct FTracker
{
FTracker() { }
FTracker(const FTracker& InValue) { always_check_no_entry(); }
FTracker(FTracker&& InValue) { }
FTracker& operator=(const FTracker& InValue) { always_check_no_entry(); return *this; }
FTracker& operator=(FTracker&& InValue) { return *this; }
};
TOptional<FTracker> TempZ(MakeOptional<FTracker>());
TempZ = MakeOptional<FTracker>();
TempZ = FTracker();
}
void TestVariant()
{
TVariant<int32> TempA;
TVariant<int32> TempB(Invalid);
TVariant<int32> TempC(InPlaceType<int32>, 0);
TVariant<int32> TempD(0);
TVariant<int32> TempE(0l);
TVariant<int32> TempF(0.0);
TVariant<int32> TempG(TempA);
TVariant<int32> TempH(TempD);
TVariant<int32> TempI(TVariant<int32>(0));
TVariant<int32> TempJ(TVariant<int32>(Invalid));
TVariant<int32> TempK, TempL, TempM, TempN;
TempK = TempA;
TempL = TempD;
TempM = TVariant<int32>(0);
TempN = TVariant<int32>(Invalid);
TempL = 303;
TempM = 404;
TVariant<int32> TempO;
TempO.Emplace<int32>(202);
TempO.Emplace<0>(404);
always_check(TempO);
always_check(TempO.IsValid());
always_check(TempO == 404);
always_check(TempO.GetValue<int32>() == 404);
always_check(TempO.Get<0>(500) == 404);
TempO.Reset();
always_check(TempO == TempO);
always_check(!(TempO != TempO));
always_check(TempO.Get<int32>(500) == 500);
int32 TempP = 200;
TempO = TempP;
TempO = 300;
always_check(TempO != TempA);
always_check(TempO != TempD);
always_check(TempO == TempO);
always_check(TempO == 300);
always_check(300 == TempO);
Swap(TempD, TempA);
int16 TempQ = 1024;
TVariant<int16, int32> TempR = TempQ;
TVariant<int16, int32> TempS(InPlaceType<int32>, TempQ);
TVariant<int16, int32> TempT(TempQ);
TVariant<int16, int32> TempU(TempR);
TVariant<int16, int32> TempV(TVariant<int16, int32>(2048));
TVariant<int16, int32> TempW, TempX, TempY;
TempW = TempQ;
TempX = TempR;
TempY = TVariant<int16, int32>(2048);
Swap(TempW, TempX);
Swap(TempW, TempX);
struct FTracker
{
FTracker() { }
FTracker(const FTracker& InValue) { always_check_no_entry(); }
FTracker(FTracker&& InValue) { }
FTracker& operator=(const FTracker& InValue) { always_check_no_entry(); return *this; }
FTracker& operator=(FTracker&& InValue) { return *this; }
};
TVariant<FTracker> TempZ(Invalid);
TempZ = TVariant<FTracker>();
TempZ = FTracker();
always_check((TIsSame<int32, TVariantAlternativeType<0, TVariant<int32, float>>::Type>::Value));
always_check((TIsSame<float, TVariantAlternativeType<1, TVariant<int32, float>>::Type>::Value));
always_check((TIsSame<const int32, TVariantAlternativeType<0, const TVariant<int32, float>>::Type>::Value));
always_check((TVariantAlternativeIndex<int32, TVariant<int32, float>>::Value == 0));
always_check((TVariantAlternativeIndex<float, TVariant<int32, float>>::Value == 1));
bool bIsConst;
bool bIsLValue;
bool bIsRValue;
auto TestQualifiers = [&bIsConst, &bIsLValue, &bIsRValue](auto&& Arg) -> int32
{
using T = decltype(Arg);
always_check(Arg == 10);
always_check(TIsConst<typename TRemoveReference<T>::Type>::Value == bIsConst);
always_check(TIsLValueReference<T>::Value == bIsLValue);
always_check(TIsRValueReference<T>::Value == bIsRValue);
return 0;
};
bIsConst = false;
bIsLValue = true;
bIsRValue = false;
TVariant<int32> TempLA = 10;
auto ReturnLA = TempLA.Visit(TestQualifiers);
always_check((TIsSame<int32, decltype(ReturnLA)>::Value));
bIsConst = true;
bIsLValue = true;
bIsRValue = false;
const TVariant<int32> TempLB = TempLA;
auto ReturnLB = TempLB.Visit(TestQualifiers);
always_check((TIsSame<int32, decltype(ReturnLB)>::Value));
bIsConst = false;
bIsLValue = false;
bIsRValue = true;
TVariant<int32> TempRA = 10;
auto ReturnRA = MoveTemp(TempRA).Visit(TestQualifiers);
always_check((TIsSame<int32, decltype(ReturnRA)>::Value));
bIsConst = true;
bIsLValue = false;
bIsRValue = true;
const TVariant<int32> TempRB = TempLA;
auto ReturnRB = MoveTemp(TempRB).Visit(TestQualifiers);
always_check((TIsSame<int32, decltype(ReturnRB)>::Value));
bIsConst = false;
bIsLValue = true;
bIsRValue = false;
TVariant<int32> TempLC = 10;
auto ReturnLC = TempLC.Visit<int32>(TestQualifiers);
always_check((TIsSame<int32, decltype(ReturnLC)>::Value));
bIsConst = true;
bIsLValue = true;
bIsRValue = false;
const TVariant<int32> TempLD = TempLC;
auto ReturnLD = TempLD.Visit<int32>(TestQualifiers);
always_check((TIsSame<int32, decltype(ReturnLD)>::Value));
bIsConst = false;
bIsLValue = false;
bIsRValue = true;
TVariant<int32> TempRC = 10;
auto ReturnRC = MoveTemp(TempRC).Visit<int32>(TestQualifiers);
always_check((TIsSame<int32, decltype(ReturnRC)>::Value));
bIsConst = true;
bIsLValue = false;
bIsRValue = true;
const TVariant<int32> TempRD = TempLC;
auto ReturnRD = MoveTemp(TempRD).Visit<int32>(TestQualifiers);
always_check((TIsSame<int32, decltype(ReturnRD)>::Value));
}
void TestAny()
{
struct FIntegral
{
int32 A;
FIntegral() { }
FIntegral(int32 InA) : A(InA) { }
bool operator==(FIntegral RHS) const { return A == RHS.A; }
};
struct FFloating
{
double A;
uint8 Pad[64];
FFloating() { }
FFloating(double InA) : A(InA) { }
bool operator==(FFloating RHS) const { return A == RHS.A; }
};
struct FTracker
{
FTracker() { }
FTracker(const FTracker& InValue) { always_check_no_entry(); }
FTracker(FTracker&& InValue) { }
FTracker& operator=(const FTracker& InValue) { always_check_no_entry(); return *this; }
FTracker& operator=(FTracker&& InValue) { return *this; }
};
{
FAny TempA;
FAny TempB(Invalid);
FAny TempC(0);
FAny TempD(InPlaceType<int32>, 0);
FAny TempG(TempA);
FAny TempH(TempC);
FAny TempK, TempL, TempM, TempN;
TempK = TempA;
TempL = TempD;
TempM = FAny(0);
TempN = FAny(Invalid);
TempL = 303;
TempM = 404;
FAny TempO;
TempO.Emplace<int32>(202);
TempO.Emplace<int32>(404);
always_check(TempO);
always_check(TempO.IsValid());
always_check(TempO == 404);
always_check(TempO.GetValue<int32>() == 404);
always_check(TempO.Get<int32>(500) == 404);
TempO.Reset();
always_check(TempO.Get<int32>(500) == 500);
int32 TempP = 200;
TempO = TempP;
TempO = 300;
always_check(TempO == 300);
always_check(300 == TempO);
Swap(TempD, TempA);
always_check(!TempD.IsValid());
always_check(0 == TempA);
}
{
FAny TempA;
FAny TempB(Invalid);
FAny TempC(FIntegral(0));
FAny TempD(InPlaceType<FIntegral>, 0);
FAny TempG(TempA);
FAny TempH(TempC);
FAny TempK, TempL, TempM, TempN;
TempK = TempA;
TempL = TempD;
TempM = FAny(FIntegral(0));
TempN = FAny(Invalid);
TempL = FIntegral(303);
TempM = FIntegral(404);
FAny TempO;
TempO.Emplace<FIntegral>(202);
TempO.Emplace<FIntegral>(404);
always_check(TempO);
always_check(TempO.IsValid());
always_check(TempO == FIntegral(404));
always_check(TempO.GetValue<FIntegral>() == FIntegral(404));
always_check(TempO.Get<FIntegral>(500) == FIntegral(404));
TempO.Reset();
always_check(TempO.Get<FIntegral>(500) == FIntegral(500));
FIntegral TempP = FIntegral(200);
TempO = TempP;
TempO = FIntegral(300);
always_check(TempO == FIntegral(300));
always_check(FIntegral(300) == TempO);
Swap(TempD, TempA);
always_check(!TempD.IsValid());
always_check(FIntegral(0) == TempA);
}
{
FAny TempA;
FAny TempB(Invalid);
FAny TempC(FFloating(0.0));
FAny TempD(InPlaceType<FFloating>, 0.0);
FAny TempG(TempA);
FAny TempH(TempC);
FAny TempK, TempL, TempM, TempN;
TempK = TempA;
TempL = TempD;
TempM = FAny(FFloating(0.0));
TempN = FAny(Invalid);
TempL = FFloating(303.0);
TempM = FFloating(404.0);
FAny TempO;
TempO.Emplace<FFloating>(202.0);
TempO.Emplace<FFloating>(404.0);
always_check(TempO);
always_check(TempO.IsValid());
always_check(TempO == FFloating(404.0));
always_check(TempO.GetValue<FFloating>() == FFloating(404.0));
always_check(TempO.Get<FFloating>(500.0) == FFloating(404.0));
TempO.Reset();
always_check(TempO.Get<FFloating>(500.0) == FFloating(500.0));
FFloating TempP = FFloating(200.0);
TempO = TempP;
TempO = FFloating(300.0);
always_check(TempO == FFloating(300.0));
always_check(FFloating(300.0) == TempO);
Swap(TempD, TempA);
always_check(!TempD.IsValid());
always_check(FFloating(0.0) == TempA);
}
{
FAny TempA;
FAny TempB(InPlaceType<int32>, 0);
FAny TempC(InPlaceType<FIntegral>, 0);
FAny TempD(InPlaceType<FFloating>, 0.0);
FAny TempE(InPlaceType<FTracker>);
Swap(TempA, TempB);
Swap(TempA, TempC);
Swap(TempA, TempD);
Swap(TempA, TempE);
Swap(TempB, TempA);
Swap(TempB, TempC);
Swap(TempB, TempD);
Swap(TempB, TempE);
Swap(TempC, TempA);
Swap(TempC, TempB);
Swap(TempC, TempD);
Swap(TempC, TempE);
Swap(TempD, TempA);
Swap(TempD, TempB);
Swap(TempD, TempC);
Swap(TempD, TempE);
Swap(TempE, TempA);
Swap(TempE, TempB);
Swap(TempE, TempC);
Swap(TempE, TempD);
always_check(TempA == FIntegral(0));
always_check(TempB == FFloating(0.0));
always_check(TempC.HoldsAlternative<FTracker>());
always_check(TempD == Invalid);
always_check(TempE == int32(0));
FAny TempZ(Invalid);
TempZ = FAny();
TempZ = FTracker();
}
}
NAMESPACE_UNNAMED_BEGIN
template <typename T>
struct TTestStructA
{
T* Pad;
T* Data;
TTestStructA(T* InData) : Pad(nullptr), Data(InData) { }
~TTestStructA() { delete Data; }
T** operator&() { return &Data; }
};
template <typename T>
int32 TestFunctionB(TTestStructA<T>* Ptr)
{
return 0;
}
template <typename T>
int32 TestFunctionB(T** Ptr)
{
return 1;
}
NAMESPACE_UNNAMED_END
void TestMiscTemplates()
{
TTestStructA<int32> ObjectA(new int32(3));
always_check(TestFunctionB(&ObjectA) == 1);
always_check(TestFunctionB(AddressOf(ObjectA)) == 0);
always_check(AddressOf(TestMiscTemplates) == &TestMiscTemplates);
}
NAMESPACE_END(Testing)
NAMESPACE_MODULE_END(Utility)
NAMESPACE_MODULE_END(Redcraft)
NAMESPACE_REDCRAFT_END