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AddressCacheUnitTest.pas
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// --------------------------------------------------------------------------
//
// --------------------------------------------------------------------------
type
TAddressCacheUnitTest = class(TAbstractUnitTest)
private
BufferA: Pointer;
BufferB: Pointer;
BufferC: Pointer;
BufferLenA: Integer;
BufferLenB: Integer;
BufferLenC: Integer;
CacheItems: Integer;
public
constructor Create;
procedure ExecuteTest; override;
destructor Destroy; override;
end;
// --------------------------------------------------------------------------
//
// --------------------------------------------------------------------------
constructor TAddressCacheUnitTest.Create;
begin
inherited Create;
Self.BufferA := TMemoryManager.GetMemory(MAX_DNS_PACKET_LEN);
Self.BufferB := TMemoryManager.GetMemory(MAX_DNS_PACKET_LEN);
Self.BufferC := TMemoryManager.GetMemory(MAX_DNS_PACKET_LEN);
Self.CacheItems := 1000000;
end;
// --------------------------------------------------------------------------
//
// --------------------------------------------------------------------------
procedure TAddressCacheUnitTest.ExecuteTest;
var
TimeStamp: TDateTime; InitSeed: Integer; i, j: Integer;
begin
TimeStamp := Now;
InitSeed := Round(Frac(TimeStamp) * 8640000.0);
TTracer.Trace(TracePriorityInfo, Self.ClassName + ': Initializing...');
TAddressCache.Initialize;
TTracer.Trace(TracePriorityInfo, Self.ClassName + ': Done.');
TTracer.Trace(TracePriorityInfo, Self.ClassName + ': Starting massive insertion...');
RandSeed := InitSeed;
for i := 0 to (Self.CacheItems - 1) do begin
Self.BufferLenA := Random(512) + MIN_DNS_PACKET_LEN; for j := 0 to (Self.BufferLenA - 1) do PByteArray(Self.BufferA)^[j] := Random(256);
Self.BufferLenB := Random(512) + MIN_DNS_PACKET_LEN; for j := 0 to (Self.BufferLenB - 1) do PByteArray(Self.BufferB)^[j] := Random(256);
TAddressCache.AddItem(TimeStamp, TMD5.Compute(Self.BufferA, Self.BufferLenA), Self.BufferB, Self.BufferLenB, AddressCacheItemOptionsResponseTypeIsPositive);
end;
TTracer.Trace(TracePriorityInfo, Self.ClassName + ': Done.');
TTracer.Trace(TracePriorityInfo, Self.ClassName + ': Starting massive search...');
RandSeed := InitSeed;
for i := 0 to (Self.CacheItems - 1) do begin
Self.BufferLenA := Random(512) + MIN_DNS_PACKET_LEN; for j := 0 to (Self.BufferLenA - 1) do PByteArray(Self.BufferA)^[j] := Random(256);
Self.BufferLenB := Random(512) + MIN_DNS_PACKET_LEN; for j := 0 to (Self.BufferLenB - 1) do PByteArray(Self.BufferB)^[j] := Random(256);
if not((TAddressCache.FindItem(TimeStamp, TMD5.Compute(Self.BufferA, Self.BufferLenA), Self.BufferC, Self.BufferLenC) = RecentEnough)) then begin
raise FailedUnitTestException.Create;
end;
if (Self.BufferLenC <> Self.BufferLenB) and not(CompareMem(Self.BufferB, Self.BufferC, Self.BufferLenB)) then begin
raise FailedUnitTestException.Create;
end;
end;
TTracer.Trace(TracePriorityInfo, Self.ClassName + ': Done.');
TTracer.Trace(TracePriorityInfo, Self.ClassName + ': Starting saving to file...');
TAddressCache.SaveToFile(ClassName + '.tmp');
TTracer.Trace(TracePriorityInfo, Self.ClassName + ': Done.');
TTracer.Trace(TracePriorityInfo, Self.ClassName + ': Finalizing...');
TAddressCache.Finalize;
TTracer.Trace(TracePriorityInfo, Self.ClassName + ': Done.');
TTracer.Trace(TracePriorityInfo, Self.ClassName + ': Initializing...');
TAddressCache.Initialize;
TTracer.Trace(TracePriorityInfo, Self.ClassName + ': Done.');
TTracer.Trace(TracePriorityInfo, Self.ClassName + ': Starting loading from file...');
TAddressCache.LoadFromFile(ClassName + '.tmp');
TTracer.Trace(TracePriorityInfo, Self.ClassName + ': Done.');
TTracer.Trace(TracePriorityInfo, Self.ClassName + ': Starting massive search...');
RandSeed := InitSeed;
for i := 0 to (Self.CacheItems - 1) do begin
Self.BufferLenA := Random(512) + MIN_DNS_PACKET_LEN; for j := 0 to (Self.BufferLenA - 1) do PByteArray(Self.BufferA)^[j] := Random(256);
Self.BufferLenB := Random(512) + MIN_DNS_PACKET_LEN; for j := 0 to (Self.BufferLenB - 1) do PByteArray(Self.BufferB)^[j] := Random(256);
if not((TAddressCache.FindItem(TimeStamp, TMD5.Compute(Self.BufferA, Self.BufferLenA), Self.BufferC, Self.BufferLenC) = RecentEnough)) then begin
raise FailedUnitTestException.Create;
end;
if (Self.BufferLenC <> Self.BufferLenB) and not(CompareMem(Self.BufferB, Self.BufferC, Self.BufferLenB)) then begin
raise FailedUnitTestException.Create;
end;
end;
TTracer.Trace(TracePriorityInfo, Self.ClassName + ': Done.');
TTracer.Trace(TracePriorityInfo, Self.ClassName + ': Finalizing...');
TAddressCache.Finalize;
TTracer.Trace(TracePriorityInfo, Self.ClassName + ': Done.');
end;
// --------------------------------------------------------------------------
//
// --------------------------------------------------------------------------
destructor TAddressCacheUnitTest.Destroy;
begin
TMemoryManager.FreeMemory(Self.BufferC, MAX_DNS_PACKET_LEN);
TMemoryManager.FreeMemory(Self.BufferB, MAX_DNS_PACKET_LEN);
TMemoryManager.FreeMemory(Self.BufferA, MAX_DNS_PACKET_LEN);
inherited Destroy;
end;
// --------------------------------------------------------------------------
//
// --------------------------------------------------------------------------