/*

* Copyright (c) 1997-2005 Nokia Corporation and/or its subsidiary(-ies). 

* All rights reserved.

* This component and the accompanying materials are made available

* 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:      

*

*/

#include <e32std.h>

#include <e32base.h>

#include <e32test.h>

#include <f32file.h>

#include <charconv.h>

///////////////////////////////////////////////////////////////////////////////////////

RTest TheTest(_L("TGBK"));

///////////////////////////////////////////////////////////////////////////////////////

///////////////////////////////////////////////////////////////////////////////////////

//Tests macroses and functions.

//If (!aValue) then the test will be panicked, the test data files will be deleted.

static void Check(TInt aValue, TInt aLine)

	{

	if(!aValue)

		{

		TheTest(EFalse, aLine);

		}

	}

//If (aValue != aExpected) then the test will be panicked, the test data files will be deleted.

static void Check(TInt aValue, TInt aExpected, TInt aLine)

	{

	if(aValue != aExpected)

		{

		RDebug::Print(_L("*** Expected error: %d, got: %d\r\n"), aExpected, aValue);

		TheTest(EFalse, aLine);

		}

	}

//Use these to test conditions.

#define TEST(arg) ::Check((arg), __LINE__)

#define TEST2(aValue, aExpected) ::Check(aValue, aExpected, __LINE__)

///////////////////////////////////////////////////////////////////////////////////////

///////////////////////////////////////////////////////////////////////////////////////

const TInt KMibValue = 113;

const TInt KBufferLength=100;

/**

@SYMTestCaseID          SYSLIB-CHARCONV-CT-0509

@SYMTestCaseDesc        Tests for truncated conversion from Unicode to GBK

@SYMTestPriority        Medium

@SYMTestActions         Tests for truncated conversion from Unicode to Gbk and back to Unicode.

                        Tests for the generated Unicode with original Unicode 

@SYMTestExpectedResults Test must not fail

@SYMREQ                 REQ0000

*/

LOCAL_C void TestTruncatedConversionFromUnicodeToGbk(CCnvCharacterSetConverter& aCharacterSetConverter, const TDesC16& aOriginalUnicode)

	{

	for (TInt i=aOriginalUnicode.Length(); i>=0; --i)

		{

		TBuf8<KBufferLength> generatedGbk;

		const TInt returnValue=aCharacterSetConverter.ConvertFromUnicode(generatedGbk, aOriginalUnicode.Left(i));

		TEST(returnValue>=0);

		TBuf8<KBufferLength> generatedsecondPartOfGbk;

		TEST(aCharacterSetConverter.ConvertFromUnicode(generatedsecondPartOfGbk, aOriginalUnicode.Mid(i-returnValue))==0);

		generatedGbk.Append(generatedsecondPartOfGbk);

		TInt state=CCnvCharacterSetConverter::KStateDefault;

		TBuf16<KBufferLength> generatedUnicode;

		TEST(aCharacterSetConverter.ConvertToUnicode(generatedUnicode, generatedGbk, state)==0);

		TEST(generatedUnicode==aOriginalUnicode);

		}

	}

/**

@SYMTestCaseID          SYSLIB-CHARCONV-CT-0510

@SYMTestCaseDesc        Splitting and converting from Unicode to GBK test

@SYMTestPriority        Medium

@SYMTestActions         Tests for conversion after splitting from Unicode to Gbk and back to Unicode

						Tests for the generated Unicode with original Unicode

@SYMTestExpectedResults Test must not fail

@SYMREQ                 REQ0000

*/

LOCAL_C void TestSplittingConvertingFromUnicodeToGbk(CCnvCharacterSetConverter& aCharacterSetConverter, TInt aMaximumLengthLowerLimit, TInt aMaximumLengthUpperLimit, TInt aExpectedNumberOfUnicodeCharactersNotConvertedAtSplit, TInt aExpectedLengthOfFirstPartOfGbk, const TDesC8& aExpectedGbk, const TDesC16& aOriginalUnicode)

	{

	TEST(aMaximumLengthLowerLimit<=aMaximumLengthUpperLimit);

	TEST(aMaximumLengthUpperLimit<=KBufferLength);

	TUint8 gbkBuffer[KBufferLength];

	for (TInt i=aMaximumLengthLowerLimit; i<=aMaximumLengthUpperLimit; ++i)

		{

		TPtr8 generatedFirstPartOfGbk(gbkBuffer, i);

		TEST(aCharacterSetConverter.ConvertFromUnicode(generatedFirstPartOfGbk, aOriginalUnicode)==aExpectedNumberOfUnicodeCharactersNotConvertedAtSplit);

		TEST(generatedFirstPartOfGbk==aExpectedGbk.Left(aExpectedLengthOfFirstPartOfGbk));

		TBuf8<KBufferLength> generatedSecondPartOfGbk;

		TEST(aCharacterSetConverter.ConvertFromUnicode(generatedSecondPartOfGbk, aOriginalUnicode.Right(aExpectedNumberOfUnicodeCharactersNotConvertedAtSplit))==0);

		TEST(generatedSecondPartOfGbk==aExpectedGbk.Mid(aExpectedLengthOfFirstPartOfGbk));

		TInt state=CCnvCharacterSetConverter::KStateDefault;

		TBuf16<KBufferLength> generatedUnicode;

		TEST(aCharacterSetConverter.ConvertToUnicode(generatedUnicode, generatedFirstPartOfGbk, state)==0);

		TEST(state==CCnvCharacterSetConverter::KStateDefault);

		TBuf16<KBufferLength> generatedSecondPartOfUnicode;

		TEST(aCharacterSetConverter.ConvertToUnicode(generatedSecondPartOfUnicode, generatedSecondPartOfGbk, state)==0);

		TEST(state==CCnvCharacterSetConverter::KStateDefault);

		generatedUnicode.Append(generatedSecondPartOfUnicode);

		TEST(generatedUnicode==aOriginalUnicode);

		}

	}

/**

@SYMTestCaseID          SYSLIB-CHARCONV-CT-0511

@SYMTestCaseDesc        Tests for truncated conversion from GBK to Unicode

@SYMTestPriority        Medium

@SYMTestActions         Tests for conversion after truncation from Unicode to Hz and back to Unicode

@SYMTestExpectedResults Test must not fail

@SYMREQ                 REQ0000

*/

LOCAL_C void TestTruncatedConversionToUnicodeFromGbk(CCnvCharacterSetConverter& aCharacterSetConverter, const TDesC16& aExpectedUnicode, const TDesC8& aOriginalGbk)

	{

	for (TInt i=aOriginalGbk.Length(); i>=2; --i) // 2 is the length of GBK's longest multi-byte characters

		{

		TInt state=CCnvCharacterSetConverter::KStateDefault;

		TBuf16<KBufferLength> generatedUnicode;

		const TInt returnValue=aCharacterSetConverter.ConvertToUnicode(generatedUnicode, aOriginalGbk.Left(i), state);

		TEST(returnValue>=0);

		TBuf16<KBufferLength> generatedsecondPartOfUnicode;

		TEST(aCharacterSetConverter.ConvertToUnicode(generatedsecondPartOfUnicode, aOriginalGbk.Mid(i-returnValue), state)==0);

		generatedUnicode.Append(generatedsecondPartOfUnicode);

		TEST(generatedUnicode==aExpectedUnicode);

		}

	}

/**

@SYMTestCaseID          SYSLIB-CHARCONV-CT-0512

@SYMTestCaseDesc        Splitting and converting from GBK to Unicode test

@SYMTestPriority        Medium

@SYMTestActions         Tests for conversion after splitting from Hz to Unicode and back to Hz

@SYMTestExpectedResults Test must not fail

@SYMREQ                 REQ0000

*/

LOCAL_C void TestSplittingConvertingToUnicodeFromGbk(CCnvCharacterSetConverter& aCharacterSetConverter, TInt aMaximumLengthLowerLimit, TInt aMaximumLengthUpperLimit, TInt aExpectedNumberOfGbkBytesNotConvertedAtSplit, TInt aExpectedLengthOfFirstPartOfUnicode, const TDesC16& aExpectedUnicode, const TDesC8& aOriginalGbk)

	{

	TEST(aMaximumLengthLowerLimit<=aMaximumLengthUpperLimit);

	TEST(aMaximumLengthUpperLimit<=KBufferLength);

	TUint16 unicodeBuffer[KBufferLength];

	for (TInt i=aMaximumLengthLowerLimit; i<=aMaximumLengthUpperLimit; ++i)

		{

		TPtr16 generatedFirstPartOfUnicode(unicodeBuffer, i);

		TInt state=CCnvCharacterSetConverter::KStateDefault;

		TEST(aCharacterSetConverter.ConvertToUnicode(generatedFirstPartOfUnicode, aOriginalGbk, state)==aExpectedNumberOfGbkBytesNotConvertedAtSplit);

		TEST(generatedFirstPartOfUnicode==aExpectedUnicode.Left(aExpectedLengthOfFirstPartOfUnicode));

		TEST(state==CCnvCharacterSetConverter::KStateDefault);

		TBuf16<KBufferLength> generatedSecondPartOfUnicode;

		TEST(aCharacterSetConverter.ConvertToUnicode(generatedSecondPartOfUnicode, aOriginalGbk.Right(aExpectedNumberOfGbkBytesNotConvertedAtSplit), state)==0);

		TEST(generatedSecondPartOfUnicode==aExpectedUnicode.Mid(aExpectedLengthOfFirstPartOfUnicode));

		TEST(state==CCnvCharacterSetConverter::KStateDefault);

		TBuf8<KBufferLength> generatedGbk;

		TEST(aCharacterSetConverter.ConvertFromUnicode(generatedGbk, generatedFirstPartOfUnicode)==0);

		TBuf8<KBufferLength> generatedSecondPartOfGbk;

		TEST(aCharacterSetConverter.ConvertFromUnicode(generatedSecondPartOfGbk, generatedSecondPartOfUnicode)==0);

		generatedGbk.Append(generatedSecondPartOfGbk);

		TEST(generatedGbk==aOriginalGbk);

		}

	}

/**

Tests retreiving the MIB value from the GBK UID

Tests retreiving the GBK UID from the MIB value 

@SYMTestCaseID          SYSLIB-CHARCONV-CT-0513

@SYMTestCaseDesc        Tests for conversion from MIB to UID and UID to MIB

@SYMTestPriority        Medium

@SYMTestActions         Tests CCnvCharacterSetConverter::ConvertMibEnumOfCharacterSetToIdentifierL(),

                        CCnvCharacterSetConverter::ConvertCharacterSetIdentifierToMibEnumL() functions 

@SYMTestExpectedResults Test must not fail

@SYMREQ                 REQ0000

*/

LOCAL_C void CharacterSetValueAndMIBTests(CCnvCharacterSetConverter& aCharacterSetConverter, RFs& aFileServerSession)

{

	// check that the character set value of '113' is converted to the GBK UID (0x10003ecb)

	TEST(aCharacterSetConverter.ConvertMibEnumOfCharacterSetToIdentifierL(KMibValue,aFileServerSession)==KCharacterSetIdentifierGbk);

	TheTest.Printf(_L("\nMIB->Char Set UID - OK"));

	// check that the UCS2 GUID (0x10003ecb) is converted to the character set value of '113'

	TEST(aCharacterSetConverter.ConvertCharacterSetIdentifierToMibEnumL(KCharacterSetIdentifierGbk,aFileServerSession)==KMibValue);

	TheTest.Printf(_L("\nChar Set UID->MIB - OK"));

}

/**

@SYMTestCaseID          SYSLIB-CHARCONV-CT-0514

@SYMTestCaseDesc        Conversion tests for GBK to Unicode 

@SYMTestPriority        Medium

@SYMTestActions         Tests for conversion from GBK to Unicode and vice versa.

@SYMTestExpectedResults Test must not fail

@SYMREQ                 REQ0000

*/

LOCAL_C void DoE32MainL()

	{

	RFs fileServerSession;

	CleanupClosePushL(fileServerSession);

	User::LeaveIfError(fileServerSession.Connect());

	CCnvCharacterSetConverter* characterSetConverter=CCnvCharacterSetConverter::NewLC();

	CArrayFix<CCnvCharacterSetConverter::SCharacterSet>* arrayOfCharacterSetsAvailable=CCnvCharacterSetConverter::CreateArrayOfCharacterSetsAvailableLC(fileServerSession);

	TheTest.Printf(_L("Available:\n"));

	for (TInt i=arrayOfCharacterSetsAvailable->Count()-1; i>=0; --i)

		{

		const CCnvCharacterSetConverter::SCharacterSet& charactersSet=(*arrayOfCharacterSetsAvailable)[i];

		characterSetConverter->PrepareToConvertToOrFromL(charactersSet.Identifier(), *arrayOfCharacterSetsAvailable, fileServerSession);

		TPtrC charactersSetName(charactersSet.Name());

		if (charactersSet.NameIsFileName())

			{

			charactersSetName.Set(TParsePtrC(charactersSetName).Name());

			}

		TheTest.Printf(_L("    %S\n"), &charactersSetName);

		}

	TPtrC8 originalGbk;

	TBuf16<KBufferLength> originalUnicode;

	TBuf8<KBufferLength> generatedGbk;

	TBuf16<KBufferLength> generatedUnicode;

	TInt state=CCnvCharacterSetConverter::KStateDefault;

	// test that we can get MIB and Charset values

	CharacterSetValueAndMIBTests(*characterSetConverter, fileServerSession);

	characterSetConverter->PrepareToConvertToOrFromL(KCharacterSetIdentifierGbk, *arrayOfCharacterSetsAvailable, fileServerSession);

	TheTest.Start(_L("Testing characters shared with GB 2312-80 and characters only in GBK"));

	originalGbk.Set(_L8("A\xfd\x7d\xdd\xb6\xb1\xc9\xe9\x8e\xe8\x9d""E b\xd3\x59\xd2\x40\x95\xc0"));

	originalUnicode.Format(_L16("A%c%c%c%c%cE b%c%c%c"), 0x9f77, 0x837b, 0x9119, 0x95b9, 0x94e6, 0x89bb, 0x8938, 0x66b2);

	TestTruncatedConversionFromUnicodeToGbk(*characterSetConverter, originalUnicode);

	TestSplittingConvertingFromUnicodeToGbk(*characterSetConverter, 0, 0, 12, 0, originalGbk, originalUnicode);

	TestSplittingConvertingFromUnicodeToGbk(*characterSetConverter, 1, 2, 11, 1, originalGbk, originalUnicode);

	TestSplittingConvertingFromUnicodeToGbk(*characterSetConverter, 3, 4, 10, 3, originalGbk, originalUnicode);

	TestSplittingConvertingFromUnicodeToGbk(*characterSetConverter, 5, 6, 9, 5, originalGbk, originalUnicode);

	TestSplittingConvertingFromUnicodeToGbk(*characterSetConverter, 7, 8, 8, 7, originalGbk, originalUnicode);

	TestSplittingConvertingFromUnicodeToGbk(*characterSetConverter, 9, 10, 7, 9, originalGbk, originalUnicode);

	TestSplittingConvertingFromUnicodeToGbk(*characterSetConverter, 11, 11, 6, 11, originalGbk, originalUnicode);

	TestSplittingConvertingFromUnicodeToGbk(*characterSetConverter, 12, 12, 5, 12, originalGbk, originalUnicode);

	TestSplittingConvertingFromUnicodeToGbk(*characterSetConverter, 13, 13, 4, 13, originalGbk, originalUnicode);

	TestSplittingConvertingFromUnicodeToGbk(*characterSetConverter, 14, 15, 3, 14, originalGbk, originalUnicode);

	TestSplittingConvertingFromUnicodeToGbk(*characterSetConverter, 16, 17, 2, 16, originalGbk, originalUnicode);

	TestSplittingConvertingFromUnicodeToGbk(*characterSetConverter, 18, 19, 1, 18, originalGbk, originalUnicode);

	TestSplittingConvertingFromUnicodeToGbk(*characterSetConverter, 20, 40, 0, 20, originalGbk, originalUnicode);

	TestTruncatedConversionToUnicodeFromGbk(*characterSetConverter, originalUnicode, originalGbk);

	TestTruncatedConversionToUnicodeFromGbk(*characterSetConverter, originalUnicode.Mid(1, 2), originalGbk.Mid(1, 4));

	TestSplittingConvertingToUnicodeFromGbk(*characterSetConverter, 0, 0, 20, 0, originalUnicode, originalGbk);

	TestSplittingConvertingToUnicodeFromGbk(*characterSetConverter, 1, 1, 19, 1, originalUnicode, originalGbk);

	TestSplittingConvertingToUnicodeFromGbk(*characterSetConverter, 2, 2, 17, 2, originalUnicode, originalGbk);

	TestSplittingConvertingToUnicodeFromGbk(*characterSetConverter, 3, 3, 15, 3, originalUnicode, originalGbk);

	TestSplittingConvertingToUnicodeFromGbk(*characterSetConverter, 4, 4, 13, 4, originalUnicode, originalGbk);

	TestSplittingConvertingToUnicodeFromGbk(*characterSetConverter, 5, 5, 11, 5, originalUnicode, originalGbk);

	TestSplittingConvertingToUnicodeFromGbk(*characterSetConverter, 6, 6, 9, 6, originalUnicode, originalGbk);

	TestSplittingConvertingToUnicodeFromGbk(*characterSetConverter, 7, 7, 8, 7, originalUnicode, originalGbk);

	TestSplittingConvertingToUnicodeFromGbk(*characterSetConverter, 8, 8, 7, 8, originalUnicode, originalGbk);

	TestSplittingConvertingToUnicodeFromGbk(*characterSetConverter, 9, 9, 6, 9, originalUnicode, originalGbk);

	TestSplittingConvertingToUnicodeFromGbk(*characterSetConverter, 10, 10, 4, 10, originalUnicode, originalGbk);

	TestSplittingConvertingToUnicodeFromGbk(*characterSetConverter, 11, 11, 2, 11, originalUnicode, originalGbk);

	TestSplittingConvertingToUnicodeFromGbk(*characterSetConverter, 12, 30, 0, 12, originalUnicode, originalGbk);

	TheTest.Next(_L("Testing GBK characters where the first byte has the high-bit set and the second byte doesn't"));

	originalGbk.Set(_L8("\x20\x5d\xa0\x5d\xa0\xdd"));

	originalUnicode.Format(_L16(" ]%c%c"), 0x71f7, 0x72a6);

	TestTruncatedConversionFromUnicodeToGbk(*characterSetConverter, originalUnicode);

	TestSplittingConvertingFromUnicodeToGbk(*characterSetConverter, 0, 0, 4, 0, originalGbk, originalUnicode);

	TestSplittingConvertingFromUnicodeToGbk(*characterSetConverter, 1, 1, 3, 1, originalGbk, originalUnicode);

	TestSplittingConvertingFromUnicodeToGbk(*characterSetConverter, 2, 3, 2, 2, originalGbk, originalUnicode);

	TestSplittingConvertingFromUnicodeToGbk(*characterSetConverter, 4, 5, 1, 4, originalGbk, originalUnicode);

	TestSplittingConvertingFromUnicodeToGbk(*characterSetConverter, 6, 20, 0, 6, originalGbk, originalUnicode);

	TestTruncatedConversionToUnicodeFromGbk(*characterSetConverter, originalUnicode, originalGbk);

	TestSplittingConvertingToUnicodeFromGbk(*characterSetConverter, 0, 0, 6, 0, originalUnicode, originalGbk);

	TestSplittingConvertingToUnicodeFromGbk(*characterSetConverter, 1, 1, 5, 1, originalUnicode, originalGbk);

	TestSplittingConvertingToUnicodeFromGbk(*characterSetConverter, 2, 2, 4, 2, originalUnicode, originalGbk);

	TestSplittingConvertingToUnicodeFromGbk(*characterSetConverter, 3, 3, 2, 3, originalUnicode, originalGbk);

	TestSplittingConvertingToUnicodeFromGbk(*characterSetConverter, 4, 20, 0, 4, originalUnicode, originalGbk);

	TheTest.Next(_L("Testing the many-to-many mapping in GBK"));

	originalGbk.Set(_L8("\xa8\x44\xa1\xaa"));

	TEST(characterSetConverter->ConvertToUnicode(generatedUnicode, originalGbk, state)==0);

	TEST(state==CCnvCharacterSetConverter::KStateDefault);

	TEST(generatedUnicode.Length()==2);

	TEST(generatedUnicode[0]==0x2015);

	TEST(generatedUnicode[1]==0x2015);

	originalUnicode.SetLength(2);

	originalUnicode[0]=0x2014;

	originalUnicode[1]=0x2015;

	TEST(characterSetConverter->ConvertFromUnicode(generatedGbk, originalUnicode)==0);

	TEST(generatedGbk==_L8("\xa1\xaa\xa1\xaa"));

	TheTest.Next(_L("Testing truncated GBK sequences"));

	originalGbk.Set(_L8("qwe\xb5"));

	TEST(characterSetConverter->ConvertToUnicode(generatedUnicode, originalGbk, state)==1);

	TEST(state==CCnvCharacterSetConverter::KStateDefault);

	TEST(generatedUnicode==_L16("qwe"));

	originalGbk.Set(_L8("qwe\x80"));

	TEST(characterSetConverter->ConvertToUnicode(generatedUnicode, originalGbk, state)==1);

	TEST(state==CCnvCharacterSetConverter::KStateDefault);

	TEST(generatedUnicode==_L16("qwe"));

	CleanupStack::PopAndDestroy(3); // arrayOfCharacterSetsAvailable and characterSetConverter and fileServerSession

	}

GLDEF_C TInt E32Main()

	{

	__UHEAP_MARK;

	TheTest.Title();

	CTrapCleanup* trapCleanup=CTrapCleanup::New();

	TEST(trapCleanup != NULL);

	TRAPD(error, DoE32MainL());

	TEST2(error, KErrNone);

	delete trapCleanup;

	TheTest.End();

	TheTest.Close();

	__UHEAP_MARKEND;

	return KErrNone;

	}