cryptoservices/certificateandkeymgmt/tasn1/testgeneralizedtime.cpp
changeset 0 2c201484c85f
child 8 35751d3474b7
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/cryptoservices/certificateandkeymgmt/tasn1/testgeneralizedtime.cpp	Wed Jul 08 11:25:26 2009 +0100
@@ -0,0 +1,337 @@
+/*
+* Copyright (c) 2001-2009 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of the License "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description: 
+* Implementation for testing generalized time object encoding/decoding
+*
+*/
+
+
+#include "testgeneralizedtime.h"
+#include "tasn1normaltest.h"
+#include <asn1enc.h>
+#include <asn1dec.h>
+
+#include <e32cons.h>
+#include <e32math.h>
+
+
+CTestGeneralizedTime* CTestGeneralizedTime::NewL(CASN1NormalTest &aASN1Action)
+	{
+	CTestGeneralizedTime* test = new (ELeave) CTestGeneralizedTime(aASN1Action);
+	return test;
+	}
+
+CTestGeneralizedTime::CTestGeneralizedTime(CASN1NormalTest &aASN1Action) : CTestBase(aASN1Action) 
+	{
+	};
+
+
+void CTestGeneralizedTime::GetName(TDes& aBuf)
+	{
+	aBuf.Copy(_L("Test Generalized Time"));
+	}
+
+
+void CTestGeneralizedTime::FillParameterArray(void)
+	{
+	iParameters->Append(CTestParameter::EString);
+	iParameters->Append(CTestParameter::EInt);
+	iParameters->Append(CTestParameter::EInt);
+	iParameters->Append(CTestParameter::EInt);
+	iParameters->Append(CTestParameter::EInt);
+	iParameters->Append(CTestParameter::EInt);
+	iParameters->Append(CTestParameter::EInt);
+	iParameters->Append(CTestParameter::EString);
+	iParameters->Append(CTestParameter::EString);
+	}
+
+TBool CTestGeneralizedTime::ValidateOutcome(CConsoleBase& aConsole, const TTime& originalTime, const TTime& decodedTime, const TInt &aTestNumber, 
+		const TInt &aTotalTests)
+	{
+	if (originalTime != decodedTime)
+		{
+		aConsole.Write(_L("ERROR!\nEncoded time = "));
+		OutputTime(aConsole, originalTime);
+		aConsole.Write(_L("Decoded time = "));
+		OutputTime(aConsole, decodedTime);
+		aConsole.Write(_L("\n"));
+		iASN1Action.ReportProgressL(KErrASN1EncodingError, aTestNumber, aTotalTests);
+		return(EFalse);
+		}
+	else
+		{
+		iASN1Action.ReportProgressL(KErrNone, aTestNumber, aTotalTests);
+		return(ETrue);
+		}
+	}
+
+TBool CTestGeneralizedTime::PerformTestWithEncoderL(CConsoleBase& aConsole, const TTime &aTest, const TInt &aTestNumber, 
+		const TInt &aTotalTests)
+	{
+		TUint writeLength;
+		TInt readLength;
+		TTime decodedTime, originalTime;
+	
+		originalTime = aTest;
+		CASN1EncGeneralizedTime* encoder = CASN1EncGeneralizedTime::NewLC(aTest);
+			
+		// Prepare a buffer
+		TInt totalLength = encoder->LengthDER();
+		HBufC8* buf = HBufC8::NewMaxLC(totalLength);
+		TPtr8 tBuf = buf->Des();
+			
+		// Write into the buffer
+		writeLength = 0;
+		encoder->WriteDERL(tBuf, writeLength);
+			
+		// Read it out again + check lengths
+		TASN1DecGeneralizedTime decoder;
+		readLength = 0;
+		decodedTime = decoder.DecodeDERL(tBuf, readLength);
+
+		CleanupStack::PopAndDestroy(2); // buf, encoder
+
+		if(writeLength != STATIC_CAST(TUint, readLength))
+			return EFalse;
+		
+		return ValidateOutcome(aConsole, originalTime, decodedTime, aTestNumber, aTotalTests);
+	}
+
+TBool CTestGeneralizedTime::PerformTestWithoutEncoderL(CConsoleBase& aConsole, const TTime &aTest, const TInt &aTestNumber,
+		const TInt &aTotalTests, const TDesC& fraction, const TDesC& offset)
+	{
+	
+	TTime decodedTime, originalTime = aTest;
+	
+	
+	//we construct the encoded time manually and pass it to decoder,
+			
+		_LIT(KTimeFormat, "%F%Y%M%D%H%T%S");
+		TBuf<32> timeString;
+		aTest.FormatL(timeString, KTimeFormat);
+		TInt fracSec = 0, i = 0;
+		if(fraction != KNullDesC)
+			{
+				timeString.Append('.');
+				timeString.Append(fraction);
+				TInt multiplier = 100000;
+			
+				// parse fraction of second
+				while(i < fraction.Length())
+					{
+												
+					fracSec += (fraction[i++]-'0') * multiplier;
+					multiplier /= 10;
+					
+					}			
+				TTimeIntervalMicroSeconds intervalMs = fracSec;
+				originalTime += intervalMs;
+			}
+		if(offset != KNullDesC)
+			{
+				timeString.Append(offset);
+				TTimeIntervalHours intervalHH = (offset[1]-'0') * 10 + (offset[2]-'0');
+				TTimeIntervalMinutes intervalMM = (offset[3]-'0') * 10 + (offset[4]-'0');
+				switch(offset[0])
+				{
+					case '+':
+						originalTime -= intervalHH;
+						originalTime -= intervalMM;
+						break;
+					case '-':
+						originalTime += intervalHH;
+						originalTime += intervalMM;
+						break;
+					default:
+					// Malformed offset
+						return EFalse;
+				}
+			}
+				
+		//convert to 8 bit
+		TBuf8<32> timeString8bit;
+		timeString8bit.Copy(timeString);
+		
+		//create a buf for storage of encoded time
+		TInt totalLength = timeString8bit.Length() + 2;
+		HBufC8* encodedTime = HBufC8::NewLC(totalLength);
+		TPtr8 encodedTimePtr = encodedTime->Des();
+
+		//construct an encoded time manually
+		encodedTimePtr.Append(STATIC_CAST(TUint8, 0) | 0x1b); //add tag
+		encodedTimePtr.Append(STATIC_CAST(TUint8, timeString8bit.Length())); //add length
+		encodedTimePtr.Append(timeString8bit); // add content
+			
+		//Decode and read it out for later test on decoder
+		TASN1DecGeneralizedTime decoder;
+	
+		TASN1DecGeneric gen(encodedTimePtr);
+		gen.InitL();
+		decodedTime = decoder.DecodeDERL(gen);
+
+		CleanupStack::PopAndDestroy(encodedTime); // buf
+						
+		
+		return ValidateOutcome(aConsole, originalTime, decodedTime, aTestNumber, aTotalTests);
+
+	}
+
+
+// Is there a built-in function to do this for us?
+void CTestGeneralizedTime::OutputTime(CConsoleBase& aConsole, const TTime& aTime)
+	{
+	TDateTime dt(aTime.DateTime());
+	aConsole.Printf(_L("Y = %d, M = %d, D = %d, H = %d, M = %d, S = %d, mS = %d\n"),
+		dt.Year(), dt.Month(), dt.Day(), dt.Hour(), dt.Minute(), dt.Second(), dt.MicroSecond());
+	}
+
+
+TBool CTestGeneralizedTime::PerformTestsL(CConsoleBase& aConsole)
+	{
+	TInt nLow = Math::Random();
+	TInt64 nHigh((TInt)Math::Random());
+	TInt64 iSeed((nHigh << 32) + nLow);
+
+	CTestParameter* test;
+	TInt totalTests, currentTest=0;
+	TInt year, month, day, hour, minute, second;
+	TBuf<3> fracSecond;
+	TBuf<5> offset;
+	TBuf<15> typeOfTest;
+	CStringTestParameter *testString;
+	
+	if(!CountTests(totalTests)) return(EFalse);
+
+	for(TInt pos = 0; pos < iValues->Count(); pos++)
+		{
+		typeOfTest.Zero();
+		test = (*iValues)[pos];
+				
+		if(test->GetType() == CTestParameter::EString)
+			{
+				//get the type of generalizedTime we are testing
+				testString = REINTERPRET_CAST(CStringTestParameter*, test);
+				testString->GetValue(typeOfTest);
+			
+				// gets year
+				test = (*iValues)[++pos];
+				if(test->GetType() != CTestParameter::EInt)
+					return(EFalse);
+				CIntTestParameter *testInt = REINTERPRET_CAST(CIntTestParameter*, test);
+				year = testInt->Value();
+
+				// gets month
+				test = (*iValues)[++pos];
+				if(test->GetType() != CTestParameter::EInt) 
+					return(EFalse);
+				testInt = REINTERPRET_CAST(CIntTestParameter*, test);
+				month = testInt->Value();
+
+				// gets day
+				test = (*iValues)[++pos];
+				if(test->GetType() != CTestParameter::EInt) 
+					return(EFalse);
+				testInt = REINTERPRET_CAST(CIntTestParameter*, test);
+				day = testInt->Value();
+
+				// gets hour
+				test = (*iValues)[++pos];
+				if(test->GetType() != CTestParameter::EInt) 
+					return(EFalse);
+				testInt = REINTERPRET_CAST(CIntTestParameter*, test);
+				hour = testInt->Value();
+
+				// gets minute
+				test = (*iValues)[++pos];
+				if(test->GetType() != CTestParameter::EInt) 
+					return(EFalse);
+				testInt = REINTERPRET_CAST(CIntTestParameter*, test);
+				minute = testInt->Value();
+
+				// gets second
+				test = (*iValues)[++pos];
+				if(test->GetType() != CTestParameter::EInt) 
+					return(EFalse);
+				testInt = REINTERPRET_CAST(CIntTestParameter*, test);
+				second = testInt->Value();
+
+				TDateTime dateTime(year, TMonth(month - 1), TMonth(day - 1), hour, minute, second, 0);
+				TTime encodedTime = dateTime;
+								
+				if(typeOfTest == KEncoder)
+				//we are testing with encoder as well as decoder
+				//Since encoder only accepts TTime as input, we could only pass
+				//in standard zulu time (asn.1 generalizedTime in 
+				//second form without optional fraction of second and offset
+				// hours and minutes)	
+					{
+						pos += 2; //ignore fraction of second and offset
+						
+						if(!PerformTestWithEncoderL(aConsole, encodedTime, currentTest, totalTests))
+							return(EFalse);
+							
+					}
+				else if(typeOfTest == KNoEncoder)	
+				// Here we test decoding asn.1 generalized Time in any forms other than standard zulu,
+				// with optional fraction of seconds and/or offset hours and minutes
+					{
+					// gets fraction of second
+					
+						test = (*iValues)[++pos];
+						testString = REINTERPRET_CAST(CStringTestParameter*, test);
+						testString->GetValue(fracSecond);
+						
+						// gets offset
+						test = (*iValues)[++pos];
+						testString = REINTERPRET_CAST(CStringTestParameter*, test);
+						testString->GetValue(offset);
+		
+						if(!PerformTestWithoutEncoderL(aConsole, encodedTime, currentTest, totalTests, fracSecond, offset))
+							return(EFalse);
+							
+					}
+				else
+					User::Leave(KErrNotSupported);
+				currentTest++;
+			}
+		else if(test->GetType() == CTestParameter::ERandom)
+			{
+			CRandomTestParameter *randomInt = REINTERPRET_CAST(CRandomTestParameter*, test);
+
+			for(TInt test = 0; test <= randomInt->Interations(); test++)
+				{
+				TInt nLow = Math::Rand(iSeed);
+				TInt64 nHigh = Math::Rand(iSeed);
+				TInt64 time64((nHigh << 32) + nLow);
+				// Set to random time, but with 4-digit year and microseconds zero
+				TTime encodedTime(time64);
+				TDateTime dateTime(encodedTime.DateTime());
+				dateTime.SetYear(dateTime.Year() % 10000);
+				dateTime.SetMicroSecond(0);
+				encodedTime = dateTime;
+				if(!PerformTestWithEncoderL(aConsole, encodedTime, currentTest, totalTests))
+					return(EFalse);
+					;
+				currentTest++;
+				}
+			}
+		else
+			return(EFalse);
+		};
+
+	
+
+	iASN1Action.ReportProgressL(KErrNone, totalTests, totalTests);
+	return(ETrue);
+	};