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