sl@0: /*
sl@0: * Copyright (c) 2001-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: * All rights reserved.
sl@0: * This component and the accompanying materials are made available
sl@0: * under the terms of the License "Eclipse Public License v1.0"
sl@0: * which accompanies this distribution, and is available
sl@0: * at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: *
sl@0: * Initial Contributors:
sl@0: * Nokia Corporation - initial contribution.
sl@0: *
sl@0: * Contributors:
sl@0: *
sl@0: * Description: 
sl@0: * Implementation for testing TInt encoding/decoding
sl@0: *
sl@0: */
sl@0: 
sl@0: 
sl@0: #include "testint.h"
sl@0: #include "tasn1normaltest.h"
sl@0: #include <asn1enc.h>
sl@0: #include <asn1dec.h>
sl@0: 
sl@0: #include <e32math.h>
sl@0: #include <e32cons.h>
sl@0: 
sl@0: 
sl@0: CTestInt* CTestInt::NewL(CASN1NormalTest &aASN1Action)
sl@0: 	{
sl@0: 	CTestInt* test = new (ELeave) CTestInt(aASN1Action);
sl@0: 	return test;
sl@0: 	}
sl@0: 
sl@0: CTestInt::CTestInt(CASN1NormalTest &aASN1Action) : CTestBase(aASN1Action)
sl@0: 	{
sl@0: 	};
sl@0: 
sl@0: 
sl@0: void CTestInt::GetName(TDes& aBuf)
sl@0: 	{
sl@0: 	aBuf.Copy(_L("Test TInt"));
sl@0: 	}
sl@0: 
sl@0: void CTestInt::FillParameterArray(void)
sl@0: 	{
sl@0: 	iParameters->Append(CTestParameter::EInt);
sl@0: 	}
sl@0: 
sl@0: 
sl@0: 
sl@0: TBool CTestInt::PerformTest(CConsoleBase& aConsole, const TInt &aTest, const TInt &aTestNumber, const TInt &aTotalTests)
sl@0: 	{
sl@0: 	// Choose value to encode
sl@0: 	TInt encodedValue;
sl@0: 
sl@0: 	encodedValue = aTest;
sl@0: 
sl@0: 	// Get encoder
sl@0: 	CASN1EncInt* encoder = CASN1EncInt::NewLC(encodedValue);
sl@0: 	
sl@0: 	// Prepare a buffer
sl@0: 	TUint length = encoder->LengthDER();
sl@0: 	HBufC8* buf = HBufC8::NewMaxLC(length);
sl@0: 	TPtr8 tBuf = buf->Des();
sl@0: 
sl@0: 	// Write into the buffer
sl@0: 	TUint writeLength = 0;
sl@0: 	encoder->WriteDERL(tBuf, writeLength);
sl@0: 	
sl@0: 	// Read it out again
sl@0: 	TASN1DecInteger decoder;
sl@0: 	TInt readLength = 0;
sl@0: 	TInt decodedValue = decoder.DecodeDERShortL(tBuf, readLength);
sl@0: 	
sl@0: 	// Check lengths of reads + values
sl@0: 	if ((writeLength != STATIC_CAST(TUint, readLength)) || (decodedValue != encodedValue))
sl@0: 		{
sl@0: 		aConsole.Printf(_L("\nERROR!  Problem integer: %d\n"), encodedValue);
sl@0: 		iASN1Action.ReportProgressL(KErrASN1EncodingError, aTestNumber, aTotalTests);
sl@0: 		CleanupStack::PopAndDestroy(2); // buf, encoder
sl@0: 		return(EFalse);
sl@0: 		}
sl@0: 	else
sl@0: 		{
sl@0: 		iASN1Action.ReportProgressL(KErrNone, aTestNumber, aTotalTests);
sl@0: 		CleanupStack::PopAndDestroy(2); // buf, encoder
sl@0: 		return(ETrue);
sl@0: 		}
sl@0: 	}
sl@0: 
sl@0: TBool CTestInt::PerformTestsL(CConsoleBase& aConsole)
sl@0: 	{
sl@0: 	TInt nLow = Math::Random();
sl@0: 	TInt64 nHigh((TInt)Math::Random());
sl@0: 	TInt64 seed((nHigh << 32) + nLow);
sl@0: 	CTestParameter* test;
sl@0: 	TInt totalTests, currentTest=0;
sl@0: 
sl@0: 	if(!CountTests(totalTests)) return(EFalse);
sl@0: 
sl@0: 	for(TInt pos = 0; pos < iValues->Count(); pos++)
sl@0: 		{
sl@0: 		test = (*iValues)[pos];
sl@0: 		switch(test->GetType())
sl@0: 			{
sl@0: 			case CTestParameter::EInt :
sl@0: 				{
sl@0: 				CIntTestParameter *rangeInt = REINTERPRET_CAST(CIntTestParameter*, test);
sl@0: 
sl@0: 				if(!PerformTest(aConsole, rangeInt->Value(), currentTest, totalTests))
sl@0: 					{
sl@0: 					return(EFalse);
sl@0: 					}
sl@0: 				currentTest++;
sl@0: 				break;
sl@0: 				}
sl@0: 			case CTestParameter::EIntRange :
sl@0: 				{
sl@0: 				CIntRangeTestParameter *rangeInt = REINTERPRET_CAST(CIntRangeTestParameter*, test);
sl@0: 
sl@0: 				for(TInt test = rangeInt->Start(); test <= rangeInt->Finish(); test++)
sl@0: 					{
sl@0: 					if(!PerformTest(aConsole, test, currentTest, totalTests))
sl@0: 						{
sl@0: 						return(EFalse);
sl@0: 						}
sl@0: 					currentTest++;
sl@0: 					}
sl@0: 				break;
sl@0: 				}
sl@0: 			case CTestParameter::ERandom :
sl@0: 				{
sl@0: 				CRandomTestParameter *randomInt = REINTERPRET_CAST(CRandomTestParameter*, test);
sl@0: 				TInt encodedValue;
sl@0: 
sl@0: 				for(TInt test = 0; test <= randomInt->Interations(); test++)
sl@0: 					{
sl@0: 					encodedValue = Math::Rand(seed) >> (8 * (test % 4));
sl@0: 					if(!PerformTest(aConsole, encodedValue, currentTest, totalTests))
sl@0: 						{
sl@0: 						return(EFalse);
sl@0: 						}
sl@0: 					currentTest++;
sl@0: 					}
sl@0: 				break;
sl@0: 				}
sl@0: 			default:
sl@0: 				{
sl@0: 				return EFalse;
sl@0: 				}
sl@0: 			}
sl@0: 		}
sl@0: 	iASN1Action.ReportProgressL(KErrNone, totalTests, totalTests);
sl@0: 	return(ETrue);
sl@0: 	}
sl@0: