feat(templates): add TUniquePtr and the corresponding testing
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@ -146,7 +146,7 @@ void TestMemoryMalloc()
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always_check(Memory::IsAligned(PtrC, 1024));
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PtrC->A = 0x01234567;
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always_check(PtrC->A == 0x01234567);
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delete[] PtrC;
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delete [] PtrC;
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}
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@ -25,6 +25,7 @@ void TestTemplates()
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TestFunction();
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TestAtomic();
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TestScopeHelper();
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TestUniquePointer();
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TestMiscTemplates();
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}
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@ -1471,6 +1472,287 @@ void TestScopeHelper()
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NAMESPACE_UNNAMED_BEGIN
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struct FCounter
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{
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static int32 Num;
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FCounter() { ++Num; }
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~FCounter() { --Num; }
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};
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int32 FCounter::Num = 0;
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struct FDeleter
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{
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static int32 Num;
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void operator()(FCounter* Ptr) { delete Ptr; ++Num; }
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};
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int32 FDeleter::Num = 0;
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struct FArrayDeleter
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{
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static int32 Num;
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void operator()(FCounter* Ptr) { delete [] Ptr; ++Num; }
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};
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int32 FArrayDeleter::Num = 0;
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NAMESPACE_UNNAMED_END
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void TestUniquePointer()
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{
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{
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TUniqueRef<int32> Temp(new int32);
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*Temp = 15;
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check(*Temp.Get() = 15);
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}
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FCounter::Num = 0;
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FDeleter::Num = 0;
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{
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FCounter* PtrA = new FCounter;
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FCounter* PtrB = new FCounter;
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FCounter* PtrC = new FCounter;
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TUniqueRef<FCounter> TempA(PtrA);
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TUniqueRef<FCounter, FDeleter> TempB(PtrB);
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TUniqueRef<FCounter, FDeleter> TempC(PtrC, FDeleter());
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check(TempA == PtrA);
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check(TempC != TempB);
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check((TempA <=> PtrA) == strong_ordering::equal);
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check((TempC <=> TempB) != strong_ordering::equal);
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int32 TempNum;
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TempNum = FCounter::Num;
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TempB.Reset(new FCounter);
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check(FCounter::Num == TempNum);
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TempNum = FCounter::Num;
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TempB.Reset(new FCounter, FDeleter());
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check(FCounter::Num == TempNum);
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TempNum = FCounter::Num;
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FCounter* PtrX = TempB.ReleaseAndReset(new FCounter);
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check(FCounter::Num == TempNum + 1);
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delete PtrX;
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TempNum = FCounter::Num;
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FCounter* PtrY = TempB.ReleaseAndReset(new FCounter, FDeleter());
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check(FCounter::Num == TempNum + 1);
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delete PtrY;
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check(GetTypeHash(TempB) == GetTypeHash(TempB.Get()));
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Swap(TempB, TempC);
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check(TempC.GetDeleter().Num == 2);
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}
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check(FCounter::Num == 0);
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check(FDeleter::Num == 4);
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{
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TUniqueRef<int32[]> Temp(new int32[4]);
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Temp[0] = 15;
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check(Temp.Get()[0] = 15);
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}
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FCounter::Num = 0;
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FArrayDeleter::Num = 0;
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{
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FCounter* PtrA = new FCounter[4];
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FCounter* PtrB = new FCounter[4];
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FCounter* PtrC = new FCounter[4];
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TUniqueRef<FCounter[]> TempA(PtrA);
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TUniqueRef<FCounter[], FArrayDeleter> TempB(PtrB);
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TUniqueRef<FCounter[], FArrayDeleter> TempC(PtrC, FArrayDeleter());
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check(TempA == PtrA);
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check(TempC != TempB);
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check((TempA <=> PtrA) == strong_ordering::equal);
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check((TempC <=> TempB) != strong_ordering::equal);
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int32 TempNum;
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TempNum = FCounter::Num;
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TempB.Reset(new FCounter[4]);
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check(FCounter::Num == TempNum);
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TempNum = FCounter::Num;
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TempB.Reset(new FCounter[4], FArrayDeleter());
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check(FCounter::Num == TempNum);
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TempNum = FCounter::Num;
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FCounter* PtrX = TempB.ReleaseAndReset(new FCounter[4]);
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check(FCounter::Num == TempNum + 4);
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delete [] PtrX;
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TempNum = FCounter::Num;
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FCounter* PtrY = TempB.ReleaseAndReset(new FCounter[4], FArrayDeleter());
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check(FCounter::Num == TempNum + 4);
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delete [] PtrY;
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check(GetTypeHash(TempB) == GetTypeHash(TempB.Get()));
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Swap(TempB, TempC);
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check(TempC.GetDeleter().Num == 2);
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}
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check( FCounter::Num == 0);
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check(FArrayDeleter::Num == 4);
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{
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TUniquePtr<int32> Temp = MakeUnique<int32>(NoInit);
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*Temp = 15;
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check(*Temp.Get() = 15);
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}
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{
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TUniquePtr<int32> Temp = MakeUnique<int32>();
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*Temp = 15;
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check(*Temp.Get() = 15);
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}
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FCounter::Num = 0;
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FDeleter::Num = 0;
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{
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FCounter* PtrA = new FCounter;
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FCounter* PtrB = new FCounter;
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FCounter* PtrC = new FCounter;
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TUniquePtr<FCounter> TempA(PtrA);
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TUniquePtr<FCounter, FDeleter> TempB(PtrB);
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TUniquePtr<FCounter, FDeleter> TempC(PtrC, FDeleter());
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check(TempA == PtrA);
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check(TempC != TempB);
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check((TempA <=> PtrA) == strong_ordering::equal);
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check((TempC <=> TempB) != strong_ordering::equal);
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int32 TempNum;
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TempNum = FCounter::Num;
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TempB.Reset(new FCounter);
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check(FCounter::Num == TempNum);
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TempNum = FCounter::Num;
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TempB.Reset(new FCounter, FDeleter());
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check(FCounter::Num == TempNum);
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TempNum = FCounter::Num;
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FCounter* PtrX = TempB.ReleaseAndReset(new FCounter);
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check(FCounter::Num == TempNum + 1);
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delete PtrX;
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TempNum = FCounter::Num;
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FCounter* PtrY = TempB.ReleaseAndReset(new FCounter, FDeleter());
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check(FCounter::Num == TempNum + 1);
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delete PtrY;
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check(GetTypeHash(TempB) == GetTypeHash(TempB.Get()));
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Swap(TempB, TempC);
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check(TempC.GetDeleter().Num == 2);
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TUniquePtr<FCounter, FDeleter> TempD(MoveTemp(TempB));
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TUniquePtr<FCounter, FDeleter> TempE;
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TempE = MoveTemp(TempC);
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TempE = nullptr;
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TempB.Reset(new FCounter);
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check(!!TempB);
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check(TempB.IsValid());
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delete TempB.Release();
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}
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check(FCounter::Num == 0);
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check(FDeleter::Num == 4);
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{
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TUniquePtr<int32[]> Temp = MakeUnique<int32[]>(4, NoInit);
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Temp[0] = 15;
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check(Temp.Get()[0] = 15);
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}
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{
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TUniquePtr<int32[]> Temp = MakeUnique<int32[]>(4);
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Temp[0] = 15;
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check(Temp.Get()[0] = 15);
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}
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FCounter::Num = 0;
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FArrayDeleter::Num = 0;
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{
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FCounter* PtrA = new FCounter[4];
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FCounter* PtrB = new FCounter[4];
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FCounter* PtrC = new FCounter[4];
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TUniquePtr<FCounter[]> TempA(PtrA);
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TUniquePtr<FCounter[], FArrayDeleter> TempB(PtrB);
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TUniquePtr<FCounter[], FArrayDeleter> TempC(PtrC, FArrayDeleter());
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check(TempA == PtrA);
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check(TempC != TempB);
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check((TempA <=> PtrA) == strong_ordering::equal);
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check((TempC <=> TempB) != strong_ordering::equal);
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int32 TempNum;
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TempNum = FCounter::Num;
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TempB.Reset(new FCounter[4]);
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check(FCounter::Num == TempNum);
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TempNum = FCounter::Num;
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TempB.Reset(new FCounter[4], FArrayDeleter());
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check(FCounter::Num == TempNum);
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TempNum = FCounter::Num;
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FCounter* PtrX = TempB.ReleaseAndReset(new FCounter[4]);
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check(FCounter::Num == TempNum + 4);
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delete [] PtrX;
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TempNum = FCounter::Num;
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FCounter* PtrY = TempB.ReleaseAndReset(new FCounter[4], FArrayDeleter());
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check(FCounter::Num == TempNum + 4);
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delete [] PtrY;
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check(GetTypeHash(TempB) == GetTypeHash(TempB.Get()));
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Swap(TempB, TempC);
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check(TempC.GetDeleter().Num == 2);
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TUniquePtr<FCounter[], FArrayDeleter> TempD(MoveTemp(TempB));
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TUniquePtr<FCounter[], FArrayDeleter> TempE;
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TempE = MoveTemp(TempC);
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TempE = nullptr;
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TempB.Reset(new FCounter[4]);
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check(!!TempB);
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check(TempB.IsValid());
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delete [] TempB.Release();
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}
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check( FCounter::Num == 0);
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check(FArrayDeleter::Num == 4);
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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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