/*
* Copyright (c) 1997-2005 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:      
*
*/








#include <e32std.h>
#include <e32test.h>
#include <utf.h>
#include <UTF8.H>

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

RTest TheTest(_L("TComp8"));
	
///////////////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////////////
//Tests macroses and functions.
static void Check(TInt aValue, TInt aLine)
	{
	if(!aValue)
		{
		TheTest(EFalse, aLine);
		}
	}
#define TEST(arg) ::Check((arg), __LINE__)

///////////////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////////////
	
enum TPanic
	{
	EPanicNoFreeSpaceAtEndOfBuffer1=1,
	EPanicNoFreeSpaceAtEndOfBuffer2
	};

LOCAL_C void Panic(TPanic aPanic)
	{
	User::Panic(_L("TCOMP8"), aPanic);
	}
/**
@SYMTestCaseID          SYSLIB-CHARCONV-CT-0566
@SYMTestCaseDesc        Comparing behaviour with the Unicode CD-ROM UTF-8 sample code
@SYMTestPriority        Medium
@SYMTestActions        	Tests for CnvUtfConverter::ConvertToUnicodeFromUtf8() function
@SYMTestExpectedResults Test must not fail
@SYMREQ                 REQ0000
*/
GLDEF_C TInt E32Main()
	{
	TheTest.Start(_L("Comparing behaviour with the Unicode CD-ROM UTF-8 sample code"));
	TDes16* originalUnicode=new TBuf16<512>;
	TDes8* generatedUtf8=new TBuf8<1024>;
	TDes8* otherGeneratedUtf8=new TBuf8<1024>;
	TDes16* generatedUnicode=new TBuf16<512>;
	TDes16* otherGeneratedUnicode=new TBuf16<512>;
	//
	*originalUnicode=_L16("");
	originalUnicode->AppendFormat(_L16("Here are some European letters: %c%c%c%c%c%c%c%c%c%c. "), 0x0117, 0x010d, 0x00f1, 0x00df, 0x00d8, 0x0142, 0x0151, 0x016f, 0x0131, 0x00c9);
	originalUnicode->AppendFormat(_L16("Here are some Greek letters: %c%c%c%c%c%c%c%c%c%c. "),    0x03a3, 0x03bf, 0x03bc, 0x03b4, 0x03b5, 0x0345, 0x03a9, 0x0392, 0x0395, 0x03a1);
	originalUnicode->AppendFormat(_L16("Here are some Cyrillic letters: %c%c%c%c%c%c%c%c%c%c. "), 0x0437, 0x0430, 0x0440, 0x0435, 0x0438, 0x0306, 0x0411, 0x041e, 0x0423, 0x0416);
	originalUnicode->AppendFormat(_L16("Here are some Georgian letters: %c%c%c%c%c%c%c%c%c%c. "), 0x10da, 0x10e0, 0x10e9, 0x10ef, 0x10d2, 0x10d7, 0x10e2, 0x10d0, 0x10ed, 0x10e8);
	originalUnicode->AppendFormat(_L16("Here are some Japanese kana: %c%c%c%c%c%c%c%c%c%c. "),    0x30a2, 0x30c0, 0x30d5, 0x30b7, 0x30ba, 0x3091, 0x3093, 0x3055, 0x3074, 0x3080);
	originalUnicode->AppendFormat(_L16("Here are some Han characters: %c%c%c%c%c%c%c%c%c%c. "),   0x7f0c, 0x7a92, 0x6d90, 0x6272, 0x5934, 0x5973, 0x55ce, 0x516c, 0x4ec0, 0x4e00);
	originalUnicode->AppendFormat(_L16("Here are some surrogate pairs: %c%c%c%c%c%c%c%c%c%c. "),   0xd800, 0xdc00, 0xdbff, 0xdfff, 0xdb80, 0xdddd, 0xdbff, 0xdcba, 0xdbeb, 0xdeb0);
	originalUnicode->AppendFormat(_L16("Here are some odd bits and pieces: =+-/*?#~'@!\"$%%^&\\|()[]{}<>_;:,. "));
	TheTest.Next(_L("Round-trips via UTF-8"));
	TEST(CnvUtfConverter::ConvertFromUnicodeToUtf8(*generatedUtf8, *originalUnicode)==0);
	{__ASSERT_ALWAYS(originalUnicode->Length()<originalUnicode->MaxLength(), Panic(EPanicNoFreeSpaceAtEndOfBuffer1));
	TUint16* sourceStart=CONST_CAST(TUint16*, originalUnicode->Ptr());
	TUint16* sourceEnd=sourceStart+originalUnicode->Length();
	TUint8* targetStart=CONST_CAST(TUint8*, otherGeneratedUtf8->Ptr());
	TUint8* targetEnd=targetStart+(otherGeneratedUtf8->MaxLength()-1);
	TEST(ConvertUTF16toUTF8(&sourceStart, sourceEnd, &targetStart, targetEnd)==ok);
	otherGeneratedUtf8->SetLength(targetStart-otherGeneratedUtf8->Ptr());}
	TEST(*generatedUtf8==*otherGeneratedUtf8);
	TEST(CnvUtfConverter::ConvertToUnicodeFromUtf8(*generatedUnicode, *generatedUtf8)==0);
	{__ASSERT_ALWAYS(otherGeneratedUtf8->Length()<otherGeneratedUtf8->MaxLength(), Panic(EPanicNoFreeSpaceAtEndOfBuffer2));
	TUint8* sourceStart=CONST_CAST(TUint8*, otherGeneratedUtf8->Ptr());
	TUint8* sourceEnd=sourceStart+otherGeneratedUtf8->Length();
	TUint16* targetStart=CONST_CAST(TUint16*, otherGeneratedUnicode->Ptr());
	TUint16* targetEnd=targetStart+(otherGeneratedUnicode->MaxLength()-1);
	TEST(ConvertUTF8toUTF16(&sourceStart, sourceEnd, &targetStart, targetEnd)==ok);
	otherGeneratedUnicode->SetLength(targetStart-otherGeneratedUnicode->Ptr());}
	TEST(*generatedUnicode==*originalUnicode);
	TEST(*generatedUnicode==*otherGeneratedUnicode);
	//
	delete originalUnicode;
	delete generatedUtf8;
	delete otherGeneratedUtf8;
	delete generatedUnicode;
	delete otherGeneratedUnicode;
	TheTest.End();
	TheTest.Close();
	return KErrNone;
	}