/*

 * Copyright (c) 2008-2010 Nokia Corporation and/or its subsidiary(-ies).

 * All rights reserved.

 * This component and the accompanying materials are made available

 * under the terms of "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 "TCustomWrap.h"

 #include "TGraphicsContext.h"

 #include <e32std.h>

 #include <e32test.h>

 #include <frmtlay.h>

 #include <frmtview.h>

 #include <txtlaydc.h>

 #include <fbs.h>

 #include <w32std.h>

 #include <txtrich.h>

 #include <e32math.h>

 #include <f32file.h>

 #include <flogger.h>

 #ifdef SYMBIAN_ENABLE_SPLIT_HEADERS

 #include "TAGMA_INTERNAL.H"

 #endif

 #include "tformbenchmark.h"

 namespace LocalToTFormBenchmark

 {

 CTFormBenchmarkStep* TestStep = NULL;

 #define TESTPOINT(p) TestStep->testpoint(p,(TText8*)__FILE__,__LINE__)

 #define TESTPRINT(p) TestStep->print(p,(TText8*)__FILE__,__LINE__)

 }

 using namespace LocalToTFormBenchmark;

 RFs fs;

 RFile fileTimeStamps;

 _LIT(KFormBenchmark, "TFormBenchmark");

 #if ((defined (__WINS__)) || (defined (__X86GCC__)))

 	_LIT(KLogTimeStampsName, "c:\\formtimestamps.csv");

 #else

 	_LIT(KLogTimeStampsName, "e:\\formtimestamps.csv");

 #endif

 _LIT(KEnglish, "Whereas recognition of the inherent dignity and of the equal \

 and inalienable rights of all members of the human family is the foundation \

 of freedom, justice and peace in the world, ");

 const TInt KEnglishRepeats = 119;

 _LIT(KArabic, "\x644\x645\x651\x627 \x643\x627\x646 \x627\x644\x627\x639\x62A\

 \x631\x627\x641 \x628\x627\x644\x643\x631\x627\x645\x629 \x627\x644\x645\x62A\

 \x623\x635\x644\x629 \x641\x64A \x62C\x645\x64A\x639 \x623\x639\x636\x627\

 \x621 \x627\x644\x623\x633\x631\x629 \x627\x644\x628\x634\x631\x64A\x629\

  \x648\x628\x62D\x642\x648\x642\x647\x645 \x627\x644\x645\x62A\x633\x627\

 \x648\x64A\x629 \x627\x644\x62B\x627\x628\x62A\x629 \x647\x648 \x623\x633\

 \x627\x633 \x627\x644\x62D\x631\x64A\x629 \x648\x627\x644\x639\x62F\x644\

  \x648\x627\x644\x633\x644\x627\x645 \x641\x64A \x627\x644\x639\x627\x644\

 \x645. ");

 const TInt KArabicRepeats = 156;

 _LIT(KJapanese, "\x4EBA\x985E\x793E\x4F1A\x306E\x3059\x3079\x3066\x306E\x69CB\

 \x6210\x54E1\x306E\x56FA\x6709\x306E\x5C0A\x53B3\x3068\x5E73\x7B49\x3067\x8B72\

 \x308B\x3053\x3068\x306E\x3067\x304D\x306A\x3044\x6A29\x5229\x3068\x3092\

 \x627F\x8A8D\x3059\x308B\x3053\x3068\x306F\x3001\x4E16\x754C\x306B\x304A\

 \x3051\x308B\x81EA\x7531\x3001\x6B63\x7FA9\x53CA\x3073\x5E73\x548C\x306E\

 \x57FA\x790E\x3067\x3042\x308B\x306E\x3067\x3001 ");

 const TInt KJapaneseRepeats = 357;

 const TInt KDisplayWidth = 100;

 const TInt KDisplayHeight = 120;

 const TInt KInsertDisplayWidth = 200;

 const TInt KChangedDisplayWidth = 150;

 _LIT(KEnglishToInsert1, "Whereas recognition of the inherent dignity");

 _LIT(KEnglishToInsert2, " and of the equal and inalienable rights of all... and so on");

 const TInt KEnglishInsertRepeats = 400;

 const TInt KEnglishScrollRepeats = 100;

 const TInt KDeleteTextInterval = 10;//we measure delete text once for each 10 deletes, to make the output smaller

 _LIT8(KDeleteTextFromStart, "Delete text from start\r\n");

 _LIT8(KInsertTextAtStart, "Insert text at start\r\n");

 _LIT8(KScrollingUp, "Scrolling up\r\n");

 _LIT8(KScrollingDown, "Scrolling down\r\n");

 struct TDocInfo

 	{

 	TDocInfo():iDocLength(0), iDocParaCount(0), iLineCount(0){}

 	TInt iDocLength;

 	TInt iDocParaCount;

 	TInt iLineCount;

 	};

 struct TTFTimeStamp

 	{

 	TInt64 iTime;

 	TInt iIteration;

 	};

 struct TFormattingObjects

 	{

 	TRect* iDisplayRect;

 	CParaFormatLayer* iParFormat;

 	CCharFormatLayer* iCharFormat;

 	CRichText* iRichText;

 	CTextLayout* iLayout;

 	CTestGraphicsDevice* iDevice;

 	CTextView* iView;

 	};

 /*

 Functions for writing benchmarking data to the CSV

 */

 void WriteSampleDocInfo(TDocInfo aDocInfo, RFile aDest)

 	{

 	TBuf8<128> buf;

 	buf.Format(_L8("Sample text: %d characters: %d paras: %d lines\r\n"), aDocInfo.iDocLength, aDocInfo.iDocParaCount, aDocInfo.iLineCount);

 	aDest.Write(buf);

 	}

 void WriteTimeStampsL(const TDesC8& aTitle, RArray<TTFTimeStamp>& aTimeStamps)

 	{

 	fileTimeStamps.Write(aTitle);

 	for (TInt i = 0; i < aTimeStamps.Count(); i++)

 		{

 		TTFTimeStamp timestamp = aTimeStamps[i];

 		TBuf8<128> buf;

 		buf.Format(_L8("%d, %Ld\r\n"), timestamp.iIteration, timestamp.iTime/1000);

 		fileTimeStamps.Write(buf);

 		}

 	}

 TDocInfo GetSampleDocInfoL(TFormattingObjects& aFormattingObjects)

 	{

 	TDocInfo docInfo;

 	const CTmTextLayout& layout = aFormattingObjects.iView->Layout()->TagmaTextLayout();

 	docInfo.iDocLength = layout.Source()->DocumentLength();

 	docInfo.iDocParaCount = aFormattingObjects.iRichText->ParagraphCount();

 //very peculiar way to count the lines...

 	TCursorPosition::TMovementType move = TCursorPosition::EFLineDown;

 	while (move == TCursorPosition::EFLineDown)

 		{

 		aFormattingObjects.iView->MoveCursorL(move, EFalse);

 		}

 	move = TCursorPosition::EFLineUp;

 	while (move == TCursorPosition::EFLineUp)

 		{

 		docInfo.iLineCount++;

 		aFormattingObjects.iView->MoveCursorL(move, EFalse);

 		}

 	return docInfo;

 	}

 /*

 Set up the test document

 */

 void SetTextL(CRichText& aText, const TDesC& aSample, TInt aRepeats, TInt aRepeatsPerPara)

 	{

 	TInt repeatsInThisPar = 0;

 	aText.Reset();

 	for (; aRepeats != 0; --aRepeats)

 		{

 		aText.InsertL(0, aSample);

 		repeatsInThisPar ++;

 		if (repeatsInThisPar > aRepeatsPerPara)

 			{

 			TChar paragraphDelimiter(0x2029);

 			aText.InsertL(0, paragraphDelimiter);

 			repeatsInThisPar = 0;

 			}

 		}

 	}

 _LIT(KOneWord, "blahblahblahblahblahblahblahblah");

 void BigBufLC(RBuf& aBigBuf)

 	{

 	aBigBuf.CreateL(16384);

 	aBigBuf.CleanupClosePushL();

 	while(aBigBuf.Length()+KOneWord().Length() < aBigBuf.MaxLength())

 		{

 		aBigBuf.Append(KOneWord);

 		}

 	}

 TTimeIntervalMicroSeconds MeasureOpeningL(CTextView& aView)

 	{

 	TCursorSelection zero(0, 0);

 	aView.SetPendingSelection(zero);

 	TTime start;

 	TTime end;

 	start.UniversalTime();

 	aView.HandleGlobalChangeL();

 	end.UniversalTime();

 	return end.MicroSecondsFrom(start);

 	}

 TTimeIntervalMicroSeconds MeasureRmsCursorDownL(CTextView& aView)

 	{

 	TInt mem;

 	TInt cells = User::AllocSize(mem);

 	TReal totalOfSquares = 0;

 	TTime start;

 	TTime end;

 	TCursorPosition::TMovementType move = TCursorPosition::EFLineDown;

 	while (move == TCursorPosition::EFLineDown)

 		{

 		start.UniversalTime();

 		aView.MoveCursorL(move, EFalse);

 		end.UniversalTime();

 		TReal us = end.MicroSecondsFrom(start).Int64();

 		totalOfSquares += us*us;

 		}

 	TReal rms;

 	Math::Sqrt(rms, totalOfSquares);

 	cells = User::AllocSize(mem);

 	return TTimeIntervalMicroSeconds(static_cast<TInt64>(rms));

 	}

 TInt NumberOfLines(CTextLayout& aLayout)

 	{

 	TTmDocPosSpec dp(aLayout.DocumentLength(), TTmDocPosSpec::ETrailing);

 	TTmPosInfo2 posInfo;

 	TTmLineInfo lineInfo;

 	aLayout.FindDocPos(dp, posInfo, &lineInfo);

 	return lineInfo.iLineNumber;

 	}

 TTimeIntervalMicroSeconds MeasureFormattingL(CTextView& aView)

 	{

 	// This looks to me like a defect.

 	// We have to set the actual doc pos to prevent a crash, even

 	// though we are setting a pending selection.

 	// Probably not too serious, though.

 	aView.SetDocPosL(0, ETrue);

 	TCursorSelection zero(0, 0);

 	aView.SetPendingSelection(zero);

 	TTime start;

 	TTime end;

 	start.UniversalTime();

 	aView.HandleGlobalChangeL();

 	aView.FinishBackgroundFormattingL();

 	end.UniversalTime();

 	end.UniversalTime();

 	return end.MicroSecondsFrom(start);

 	}

 void MeasureDeleteTextFromStartL(RArray<TTFTimeStamp>& aTimeStamps,

 	TFormattingObjects& aFormattingObjects, TInt64& aSlowest)

 	{

 	const CTmTextLayout& tmLayout = aFormattingObjects.iLayout->TagmaTextLayout();

 	aTimeStamps.Close();

 	TTime start;

 	TTime end;

 	TInt iteration = 0;

 	TInt64 total = 0;

 	TInt step = 0;

 	while(aFormattingObjects.iRichText->DocumentLength() > 0)

 		{

 		aFormattingObjects.iRichText->DeleteL(0, 1);

 		TCursorSelection cursor(0,0);

 		start.UniversalTime();

 		aFormattingObjects.iView->HandleInsertDeleteL(cursor, 1, EFalse);

 		end.UniversalTime();

 		TInt64 us = end.MicroSecondsFrom(start).Int64();

 		if(us > aSlowest)

 			{

 			aSlowest = us;

 			}

 		total += us;

 		step++;

 		if(step == KDeleteTextInterval)

 			{

 			TInt64 average = total/KDeleteTextInterval;

 			TTFTimeStamp timestamp;

 			timestamp.iTime = average;

 			timestamp.iIteration = iteration;

 			User::LeaveIfError(aTimeStamps.Append(timestamp));

 			iteration++;

 			step = 0;

 			total = 0;

 			}

 		}

 	}

 void MeasureInsertTextAtStartL(TInt aRepeats, TInt aRepeatsPerPara, RArray<TTFTimeStamp>& aTimeStamps,

 	TFormattingObjects& aFormattingObjects, TInt64& aSlowest)

 	{

 	aTimeStamps.Close();

 	TTime start;

 	TTime end;

 	TInt repeatsInThisPar = 0;

 	TViewRectChanges changes;

 	aFormattingObjects.iRichText->Reset();

 	for (TInt i = 0; i < aRepeats; i++)

 		{

 		TBuf<128> sample;

 		if ((i%2)==0)

 			{

 			sample = KEnglishToInsert1;

 			}

 		else

 			{

 			sample = KEnglishToInsert2;

 			}

 		aFormattingObjects.iRichText->InsertL(0, sample);

 		TCursorSelection cursor(0, sample.Length());

 		start.UniversalTime();

 		aFormattingObjects.iLayout->HandleBlockChangeL(cursor, 0, changes, 0);

 		end.UniversalTime();

 		TInt64 us = end.MicroSecondsFrom(start).Int64();

 		repeatsInThisPar ++;

 		TTFTimeStamp timestamp;

 		timestamp.iTime = us;

 		timestamp.iIteration = i;

 		User::LeaveIfError(aTimeStamps.Append(timestamp));

 		if(us > aSlowest)

 			{

 			aSlowest = us;

 			}

 		if (repeatsInThisPar > aRepeatsPerPara)

 			{

 			TChar paragraphDelimiter(0x2029);

 			aFormattingObjects.iRichText->InsertL(0, paragraphDelimiter);

 			repeatsInThisPar = 0;

 			}

 		}

 	}

 void MeasureCursorL(RArray<TTFTimeStamp>& aTimeStamps, TCursorPosition::TMovementType aType,

 	TFormattingObjects& aFormattingObjects, TInt64& aSlowest)

 	{

 	aTimeStamps.Close();

 	TTime start;

 	TTime end;

 	TInt lines = 0;

 	TCursorPosition::TMovementType move = aType;

 	while (move == aType)

 		{

 		lines++;

 		start.UniversalTime();

 		aFormattingObjects.iView->MoveCursorL(move, EFalse);

 		end.UniversalTime();

 		TInt64 us = end.MicroSecondsFrom(start).Int64();

 		TTFTimeStamp timestamp;

 		timestamp.iTime = us;

 		timestamp.iIteration = lines;

 		User::LeaveIfError(aTimeStamps.Append(timestamp));

 		if(us > aSlowest)

 			{

 			aSlowest = us;

 			}

 		const CTmTextLayout& tmLayout = aFormattingObjects.iLayout->TagmaTextLayout();

 		}

 	}

 void CreateFormattingObjectsLC(TFormattingObjects& aFormattingObjects)

 	{

 	TRect* displayRect = new(ELeave) TRect(0, 0, KDisplayWidth, KDisplayHeight);

 	CleanupStack::PushL(displayRect);

 	CParaFormatLayer* paraFormat = CParaFormatLayer::NewL();

 	CleanupStack::PushL(paraFormat);

 	CCharFormatLayer* charFormat = CCharFormatLayer::NewL();

 	CleanupStack::PushL(charFormat);

 	CRichText* text = CRichText::NewL(paraFormat, charFormat);

 	CleanupStack::PushL(text);

 	CTextLayout* layout = CTextLayout::NewL(text, displayRect->Width());

 	CleanupStack::PushL(layout);

 	CTestGraphicsDevice* device = CTestGraphicsDevice::NewL(displayRect->Size(), 0);

 	CleanupStack::PushL(device);

 	// Prevent the line array from using up the memory

 	device->LineArray().Disable();

 	CTextView* view = CTextView::NewL(layout, *displayRect,

 		device, device, 0, 0, 0);

 	CleanupStack::PushL(view);

 	// must disable flicker-free redraw or Form will try to use

 	// the test font with an off-screen (i.e. real) graphics context,

 	// which will panic.

 	view->DisableFlickerFreeRedraw();

 	aFormattingObjects.iDisplayRect = displayRect;

 	aFormattingObjects.iParFormat = paraFormat;

 	aFormattingObjects.iCharFormat = charFormat;

 	aFormattingObjects.iRichText = text;

 	aFormattingObjects.iLayout = layout;

 	aFormattingObjects.iDevice = device;

 	aFormattingObjects.iView = view;

 	}

 void DestroyFormattingObjects(TFormattingObjects& aFormattingObjects)

 	{

 	CleanupStack::PopAndDestroy(aFormattingObjects.iView);

 	CleanupStack::PopAndDestroy(aFormattingObjects.iDevice);

 	CleanupStack::PopAndDestroy(aFormattingObjects.iLayout);

 	CleanupStack::PopAndDestroy(aFormattingObjects.iRichText);

 	CleanupStack::PopAndDestroy(aFormattingObjects.iCharFormat);

 	CleanupStack::PopAndDestroy(aFormattingObjects.iParFormat);

 	CleanupStack::PopAndDestroy(aFormattingObjects.iDisplayRect);

 	}

 /**

 @SYMTestCaseID SYSLIB-FORMA-UT-1897

 @SYMTestCaseDesc Benchmarks scrolling text

 @SYMTestPriority High

 @SYMTestActions creates document and scrolls it

 @SYMTestExpectedResults The test must not fail or panic .

 @SYMDEF DEF092140, DEF092139

 */

 void RunScrollingTestL(TInt aRepeats, TInt aRepeatsPerParagraph,

 	RArray<TTFTimeStamp>& aTimeStampsDown, RArray<TTFTimeStamp>& aTimeStampsUp,

 	TDocInfo& aDocInfo)

 	{

     TESTPRINT(_L(" @SYMTestCaseID:SYSLIB-FORMA-UT-1897 "));

 	TInt docLength = KEnglish().Length() * aRepeats;

 	TInt paragraphs = aRepeats/aRepeatsPerParagraph;

 	TFormattingObjects o;

 	CreateFormattingObjectsLC(o);

 	o.iLayout->SetWrapWidth(KInsertDisplayWidth);

 	o.iLayout->SetAmountToFormat(CTextLayout::EFFormatBand);

 	SetTextL(*(o.iRichText), KEnglish, aRepeats, aRepeatsPerParagraph);

 	TTimeIntervalMicroSeconds opening = MeasureOpeningL(*(o.iView));

 	TInt64 slowest = 0;

 	MeasureCursorL(aTimeStampsDown, TCursorPosition::EFLineDown, o, slowest);

 	MeasureCursorL(aTimeStampsUp, TCursorPosition::EFLineUp, o, slowest);

 	TBuf<256> buf;

 	buf.AppendFormat(_L("PERFORMANCE: Syslibs;Form_Scrolling_Slowest_Doc_with_%d_characters_%d_paragraphs;microseconds: %Ld"), docLength, paragraphs, slowest);

 	TESTPRINT(buf);

 	aDocInfo = GetSampleDocInfoL(o);

 	DestroyFormattingObjects(o);

 	}

 /**

 @SYMTestCaseID SYSLIB-FORMA-UT-1898

 @SYMTestCaseDesc Benchmarks inserting, deleting and formatting text

 @SYMTestPriority High

 @SYMTestActions creates documents in each language and performs edits and reformats

 @SYMTestExpectedResults The test must not fail or panic .

 @SYMDEF DEF092140, DEF092139

 */

 void RunEnglishArabicJapaneseBenchmarksL(TFormattingObjects& aFormattingObjects)

 	{

     TESTPRINT(_L(" @SYMTestCaseID:SYSLIB-FORMA-UT-1898 "));

 	SetTextL(*aFormattingObjects.iRichText, KEnglish, KEnglishRepeats, KEnglishRepeats);

 	TTimeIntervalMicroSeconds opening = MeasureOpeningL(*aFormattingObjects.iView);

 	TTimeIntervalMicroSeconds rmsCursorDown = MeasureRmsCursorDownL(*aFormattingObjects.iView);

 	TTimeIntervalMicroSeconds englishFormatting = MeasureFormattingL(*aFormattingObjects.iView);

 	TInt englishLines = NumberOfLines(*aFormattingObjects.iLayout);

 	SetTextL(*aFormattingObjects.iRichText, KArabic, KArabicRepeats, KArabicRepeats);

 	TTimeIntervalMicroSeconds arabicFormatting = MeasureFormattingL(*aFormattingObjects.iView);

 	TInt arabicLines = NumberOfLines(*aFormattingObjects.iLayout);

 	SetTextL(*aFormattingObjects.iRichText, KJapanese, KJapaneseRepeats, KJapaneseRepeats);

 	TTimeIntervalMicroSeconds japaneseFormatting = MeasureFormattingL(*aFormattingObjects.iView);

 	TInt japaneseLines = NumberOfLines(*aFormattingObjects.iLayout);

 	// Check that the results are fair

 	TInt minLines;

 	TInt maxLines;

 	if (arabicLines < englishLines)

 		{

 		minLines = arabicLines;

 		maxLines = englishLines;

 		}

 	else

 		{

 		minLines = englishLines;

 		maxLines = arabicLines;

 		}

 	if (japaneseLines < minLines)

 		minLines = japaneseLines;

 	else if (maxLines < japaneseLines)

 		maxLines = japaneseLines;

 	//Tests that the number of lines in each test is more or less balanced

 	TESTPOINT(maxLines * 100 <= minLines * 105);

 	TBuf<256> buf;

 	buf.AppendFormat(_L("PERFORMANCE: Syslibs;Form_OpeningLargeParagraph;microseconds: %d"),

 		static_cast<TInt>(opening.Int64()));

 	TESTPRINT(buf);

 	buf.Zero();

 	buf.AppendFormat(_L("PERFORMANCE: Syslibs;Form_RmsCursorDown;microseconds: %d"),

 		static_cast<TInt>(rmsCursorDown.Int64()));

 	TESTPRINT(buf);

 	buf.Zero();

 	buf.AppendFormat(_L("PERFORMANCE: Syslibs;Form_FormattingEnglish;microseconds: %d"),

 		static_cast<TInt>(englishFormatting.Int64()));

 	TESTPRINT(buf);

 	buf.Zero();

 	buf.AppendFormat(_L("PERFORMANCE: Syslibs;Form_FormattingArabic;microseconds: %d"),

 		static_cast<TInt>(arabicFormatting.Int64()));

 	TESTPRINT(buf);

 	buf.Zero();

 	buf.AppendFormat(_L("PERFORMANCE: Syslibs;Form_FormattingJapanese;microseconds: %d"),

 		static_cast<TInt>(japaneseFormatting.Int64()));

 	TESTPRINT(buf);	

 	}

 /**

 @SYMTestCaseID SYSLIB-FORMA-UT-1896

 @SYMTestCaseDesc Benchmarks inserting text from the beginning of a paragraph

 @SYMTestPriority High

 @SYMTestActions creates a large paragraph containg just one word and inserts text iteratively from

 the beginning

 @SYMTestExpectedResults The test must not fail or panic .

 @SYMDEF DEF092140, DEF092139

 */

 void RunInsertTextTestsL(TInt aRepeats, TInt aRepeatsPerParagraph,

 	RArray<TTFTimeStamp>& aTimeStamps, TDocInfo& aDocInfo)

 	{

     TESTPRINT(_L(" @SYMTestCaseID:SYSLIB-FORMA-UT-1896 "));

 	TFormattingObjects o;

 	CreateFormattingObjectsLC(o);

 	TInt64 slowest = 0;

 	o.iLayout->SetWrapWidth(KInsertDisplayWidth);

 	o.iLayout->SetAmountToFormat(CTextLayout::EFFormatBand);

 	MeasureInsertTextAtStartL(aRepeats, aRepeatsPerParagraph, aTimeStamps, o, slowest);

 	aDocInfo = GetSampleDocInfoL(o);

 	TBuf<256> buf;

 	buf.AppendFormat(_L("PERFORMANCE: Syslibs;Form_InsertText_Slowest;microseconds: %Ld"), slowest);

 	TESTPRINT(buf);

 	DestroyFormattingObjects(o);

 	}

 /**

 @SYMTestCaseID SYSLIB-FORMA-UT-1895

 @SYMTestCaseDesc Benchmarks deleting text from the beginning of a paragraph

 @SYMTestPriority High

 @SYMTestActions creates a large paragraph containg just one word and deletes text iteratively from

 the beginning

 @SYMTestExpectedResults The test must not fail or panic .

 @SYMDEF DEF092140, DEF092139

 */

 void RunDeleteTextFromStartTest(RArray<TTFTimeStamp>& aTimeStamps, TDocInfo& aDocInfo)

 	{

     TESTPRINT(_L(" @SYMTestCaseID:SYSLIB-FORMA-UT-1895 "));

 	TFormattingObjects o;

 	CreateFormattingObjectsLC(o);

 	TInt64 slowest = 0;

 	o.iLayout->SetWrapWidth(KInsertDisplayWidth);

 	o.iLayout->SetAmountToFormat(CTextLayout::EFFormatBand);

 	RBuf bigbuf;

 	BigBufLC(bigbuf);

 	SetTextL(*o.iRichText, bigbuf, 1, 1);

 	TTimeIntervalMicroSeconds opening = MeasureOpeningL(*o.iView);

 	MeasureDeleteTextFromStartL(aTimeStamps, o, slowest);

 	aDocInfo = GetSampleDocInfoL(o);

 	TBuf<256> buf;	

 	buf.AppendFormat(_L("PERFORMANCE: Syslibs;Form_DeleteText_Slowest;microseconds: %Ld"), slowest);

 	TESTPRINT(buf);	

 	CleanupStack::PopAndDestroy();//bigbuf

 	DestroyFormattingObjects(o);

 	}

 void GetFormattingBenchmarkL(TInt aNumberOfIterations, TInt& aNumberOfCharacters, TInt64& aNormalisedBenchmark)

 	{

     TESTPRINT(_L(" @SYMTestCaseID:SYSLIB-FORMA-UT-1895 "));

 	TFormattingObjects o;

 	CreateFormattingObjectsLC(o);

 	o.iLayout->SetWrapWidth(KInsertDisplayWidth);

 	o.iLayout->SetAmountToFormat(CTextLayout::EFFormatBand);

 	SetTextL(*(o.iRichText), KEnglish, aNumberOfIterations, aNumberOfIterations);

 	TTimeIntervalMicroSeconds ignore = MeasureOpeningL(*(o.iView));

 	o.iView->SetDocPosL(o.iRichText->DocumentLength());

 	//make a global change

 	o.iLayout->SetWrapWidth(KChangedDisplayWidth);

 	//measure time to reformat for it

 	TTime start;

 	TTime end;

 	start.UniversalTime();

 	o.iView->HandleGlobalChangeL();

 	end.UniversalTime();

 	TTimeIntervalMicroSeconds formattingTime = end.MicroSecondsFrom(start);

 	aNumberOfCharacters = o.iRichText->DocumentLength();

 	aNormalisedBenchmark = formattingTime.Int64()/aNumberOfIterations;

 	DestroyFormattingObjects(o);

 	}

 /**

 @SYMTestCaseID SYSLIB-FORMA-UT-1894

 @SYMTestCaseDesc Benchmarks formatting text

 @SYMTestPriority High

 @SYMTestActions for a series of documents of increasing size consisting of a single paragraph,

 sets the cursor position to the end of the document, makes a global change and formats it.

 @SYMTestExpectedResults The test must not fail or panic. The increase in time taken should be

 roughly linear with the document size.

 @SYMDEF DEF095401

 */

 void RunFormattingBenchmarksL()

 	{

     TESTPRINT(_L(" @SYMTestCaseID:SYSLIB-FORMA-UT-1894 "));

 	TInt numberOfCharacters = 0;

 	TInt numberOfIterations;

 	TInt64 normalisedBenchmark = 0;

 	TBuf<256> buf;

 	numberOfIterations = 1;

 	GetFormattingBenchmarkL(numberOfIterations, numberOfCharacters, normalisedBenchmark);

 	buf.AppendFormat(_L("PERFORMANCE: Syslibs;Form_FormatText;document contains %d characters: %Ld microseconds per iteration"), numberOfCharacters, normalisedBenchmark);

 	TESTPRINT(buf);

 	buf.Zero();

 	numberOfIterations = 5;

 	GetFormattingBenchmarkL(numberOfIterations, numberOfCharacters, normalisedBenchmark);

 	buf.AppendFormat(_L("PERFORMANCE: Syslibs;Form_FormatText;document contains %d characters: %Ld microseconds per iteration"), numberOfCharacters, normalisedBenchmark);

 	TESTPRINT(buf);

 	buf.Zero();

 	numberOfIterations = 10;

 	GetFormattingBenchmarkL(numberOfIterations, numberOfCharacters, normalisedBenchmark);

 	buf.AppendFormat(_L("PERFORMANCE: Syslibs;Form_FormatText;document contains %d characters: %Ld microseconds per iteration"), numberOfCharacters, normalisedBenchmark);

 	TESTPRINT(buf);

 	buf.Zero();

 	numberOfIterations = 50;

 	GetFormattingBenchmarkL(numberOfIterations, numberOfCharacters, normalisedBenchmark);

 	buf.AppendFormat(_L("PERFORMANCE: Syslibs;Form_FormatText;document contains %d characters: %Ld microseconds per iteration"), numberOfCharacters, normalisedBenchmark);

 	TESTPRINT(buf);

 	buf.Zero();

 	numberOfIterations = 100;

 	GetFormattingBenchmarkL(numberOfIterations, numberOfCharacters, normalisedBenchmark);

 	buf.AppendFormat(_L("PERFORMANCE: Syslibs;Form_FormatText;document contains %d characters: %Ld microseconds per iteration"), numberOfCharacters, normalisedBenchmark);

 	TESTPRINT(buf);

 	buf.Zero();

 	numberOfIterations = 250;

 	GetFormattingBenchmarkL(numberOfIterations, numberOfCharacters, normalisedBenchmark);

 	buf.AppendFormat(_L("PERFORMANCE: Syslibs;Form_FormatText;document contains %d characters: %Ld microseconds per iteration"), numberOfCharacters, normalisedBenchmark);

 	TESTPRINT(buf);

 	buf.Zero();

 	numberOfIterations = 500;

 	GetFormattingBenchmarkL(numberOfIterations, numberOfCharacters, normalisedBenchmark);

 	buf.AppendFormat(_L("PERFORMANCE: Syslibs;Form_FormatText;document contains %d characters: %Ld microseconds per iteration"), numberOfCharacters, normalisedBenchmark);

 	TESTPRINT(buf);

 	buf.Zero();

 	numberOfIterations = 750;

 	GetFormattingBenchmarkL(numberOfIterations, numberOfCharacters, normalisedBenchmark);

 	buf.AppendFormat(_L("PERFORMANCE: Syslibs;Form_FormatText;document contains %d characters: %Ld microseconds per iteration"), numberOfCharacters, normalisedBenchmark);

 	TESTPRINT(buf);

 	buf.Zero();

 	numberOfIterations = 1000;

 	GetFormattingBenchmarkL(numberOfIterations, numberOfCharacters, normalisedBenchmark);

 	buf.AppendFormat(_L("PERFORMANCE: Syslibs;Form_FormatText;document contains %d characters: %Ld microseconds per iteration"), numberOfCharacters, normalisedBenchmark);

 	TESTPRINT(buf);

 	}

 void RunBenchmarksL()

 	{

 	CActiveScheduler* scheduler = new(ELeave) CActiveScheduler;

 	CleanupStack::PushL(scheduler);

 	CActiveScheduler::Install(scheduler);

 	RunFormattingBenchmarksL();

 	TDocInfo docInfo;

 	RArray<TTFTimeStamp> timestampsDown;

 	RArray<TTFTimeStamp> timestampsUp;

 	CleanupClosePushL(timestampsDown);

 	CleanupClosePushL(timestampsUp);

 	RunDeleteTextFromStartTest(timestampsUp, docInfo);

 	WriteSampleDocInfo(docInfo, fileTimeStamps);

 	WriteTimeStampsL(KDeleteTextFromStart, timestampsUp);

 	RunInsertTextTestsL(KEnglishInsertRepeats, KEnglishInsertRepeats, timestampsUp, docInfo);

 	WriteSampleDocInfo(docInfo, fileTimeStamps);

 	WriteTimeStampsL(KInsertTextAtStart, timestampsUp);

 	RunScrollingTestL(KEnglishScrollRepeats, KEnglishScrollRepeats, timestampsDown, timestampsUp, docInfo);

 	WriteSampleDocInfo(docInfo, fileTimeStamps);

 	WriteTimeStampsL(KScrollingDown, timestampsDown);

 	WriteTimeStampsL(KScrollingUp, timestampsUp);

 	RunScrollingTestL(KEnglishScrollRepeats, KEnglishScrollRepeats/2, timestampsDown, timestampsUp, docInfo);

 	WriteSampleDocInfo(docInfo, fileTimeStamps);

 	WriteTimeStampsL(KScrollingDown, timestampsDown);

 	WriteTimeStampsL(KScrollingUp, timestampsUp);

 	RunScrollingTestL(KEnglishScrollRepeats, KEnglishScrollRepeats/10, timestampsDown, timestampsUp, docInfo);

 	WriteSampleDocInfo(docInfo, fileTimeStamps);

 	WriteTimeStampsL(KScrollingDown, timestampsDown);

 	WriteTimeStampsL(KScrollingUp, timestampsUp);

 	TFormattingObjects o;

 	CreateFormattingObjectsLC(o);

 	RunEnglishArabicJapaneseBenchmarksL(o);

 	DestroyFormattingObjects(o);

 	CleanupStack::PopAndDestroy(2);

 	CleanupStack::PopAndDestroy(scheduler);

 	}

 TVerdict CTFormBenchmarkStep::doTestStepL()

 	{

     SetTestStepResult(EPass);

     TestStep = this;

     TESTPRINT(KFormBenchmark);

     TESTPRINT(_L("Start Font/Bitmap Server"));

 	TInt error = RFbsSession::Connect();

 	if (error == KErrNotFound)

 		{

 		FbsStartup();

 		error = RFbsSession::Connect();

 		}

 	// Tests that FBServ actually starts

 	TESTPOINT(error == KErrNone);

 	error = fs.Connect();

 	TESTPOINT(error == KErrNone);

 	error = fileTimeStamps.Replace(fs, KLogTimeStampsName, EFileWrite);

 	TBuf<256> buf;

 	buf.AppendFormat(_L("> fileTimeStamps.Replace %d"), error);

 	TESTPRINT(buf);

 	TESTPOINT(error == KErrNone);

 	TESTPRINT(_L("Run Benchmarks"));

 	TRAP(error, RunBenchmarksL());

 	// Tests that the Benchmarks did not run out of memory

 	// or otherwise leave

 	TESTPOINT(error == KErrNone);

 	fileTimeStamps.Close();

 	fs.Close();

 	RFbsSession::Disconnect();

 	return TestStepResult();

 	}