/*

 * Copyright (c) 2002-2010 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: 

 *

 */

 // Test code for GetNextVisualCursorPos functionality

 #include <e32test.h>

 #include "TGraphicsContext.h"

 #include <gdi.h>

 #include "TAGMA.H"

 #include "TmLayoutImp.h"

 #include "TMINTERP.H"

 #include "tbidicursorpos.h"

 namespace LocalToTBidiCursorPos

 {

 CTBidiCursorPosStep* TestStep;

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

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

 }

 using namespace LocalToTBidiCursorPos;

 class CTestSource : public CBase, public MTmSource

 	{

 public:

 	static CTestSource* NewLC();

 	~CTestSource();

 	void ConstructL();

 	// from MTmSource

 	MGraphicsDeviceMap& FormatDevice() const { return *iScreenDevice; }

 	MGraphicsDeviceMap& InterpretDevice() const { return *iScreenDevice; }

 	TInt DocumentLength() const

 		{

 		return iText->Length();

 		}

 	void GetText(TInt aPos,TPtrC& aText, TTmCharFormat& aFormat) const

 		{

 		TTmCharFormat f;

 		aFormat = f;

 		aText.Set(iText->Mid(aPos));

 		}

 	void GetParagraphFormatL(TInt, RTmParFormat& aFormat) const

 		{

 		aFormat.CopyL(iParFormat);

 		}

 	TInt ParagraphStart(TInt) const { return 0; }

 	void SetText(HBufC* aText) { iText = aText; }

 private:

 	CTestSource() {}

 public:

 	RTmParFormat iParFormat;

 private:

 	CTestGraphicsDevice* iScreenDevice;

 	CWindowGc* iGc;

 	HBufC* iText;

 	};

 // static

 CTestSource* CTestSource::NewLC()

 	{

 	CTestSource* self = new(ELeave) CTestSource();

 	CleanupStack::PushL(self);

 	self->ConstructL();

 	return self;

 	}

 void CTestSource::ConstructL()

 	{

 	TSize size(100, 100);

 	iScreenDevice = CTestGraphicsDevice::NewL(size, 0);

 	User::LeaveIfError(iScreenDevice->CreateContext(iGc));

 	}

 CTestSource::~CTestSource()

 	{

 	delete iScreenDevice;

 	delete iGc;

 	}

 #define NO_OF_TEST_CASES 8

 class TPos

 	{

 public:

 	TInt iPos;

 	TBool iLeading;

 	};

 class TAugmentedPos

 	{

 public:

 	TInt iPos;

 	TBool iLeading;

 	TBool iOptional;

 	};

 const TAugmentedPos expectedCursorPos[NO_OF_TEST_CASES][40] = {

 	{ {1, 0, 0}, {2, 0, 0}, {3, 0, 0}, {5, 1, 0},

 		{4, 1, 0}, {3, 1, 0}, {7, 0, 0}, {8, 0, 0},

 		{9, 0, 0} },

 	{ {1, 0, 0}, {2, 0, 0}, {10, 1, 0}, {9, 1, 0},

 		{8, 1, 0}, {7, 1, 0}, {6, 0, 0}, {7, 0, 0},

 		{4, 1, 0}, {3, 1, 0}, {2, 1, 0}, {12, 0, 0},

 		{13, 0, 0} },

 	{ {1, 0, 0}, {2, 0, 0}, {5, 1, 1}, {4, 1, 0},

 		{3, 1, 1}, {2, 1, 1}, {7, 0, 0}, {8, 0, 0},

 		{9, 0, 0} },

 	{ {1, 0, 0}, {2, 0, 0}, {3, 0, 0}, {5, 1, 0},

 		{4, 1, 0}, {3, 1, 0}, {7, 0, 0}, {8, 0, 0},

 		{9, 0, 0}, {11, 1, 0}, {10, 1, 0}, {9, 1, 0},

 		{13, 0, 0}, {14, 0, 0}, {15, 0, 0} },

 	{ {2, 0, 0}, {3, 0, 0}, {4, 0, 0} },

 	{ {3, 0, 0}, {4, 0, 0} },

 	{ {1, 0, 0}, {2, 0, 0}, {6, 1, 0}, {5, 1, 0},

 		{4, 1, 0}, {3, 1, 0}, {2, 1, 0}, {8, 0, 0},

 		{9, 0, 0} },

 	{ {1, 0, 0}, {2, 0, 0}, {8, 1, 0}, {7, 1, 0},

 		{6, 1, 0}, {5, 1, 0}, {4, 1, 0}, {3, 1, 0},

 		{2, 1, 0}, {10, 0, 0}, {11, 0, 0} }

 	};

 const TPos startPos[NO_OF_TEST_CASES] = { {0, 1}, {0, 1}, {0, 1}, {0, 1}, {0, 1}, {0, 1}, {0, 1}, {0, 1} };

 const TInt numberOfCursorPositionsToCheck[NO_OF_TEST_CASES] = {9, 13, 9, 15, 3, 2, 9, 11};

 const TBool moveToLeft[NO_OF_TEST_CASES] = {EFalse, EFalse, EFalse, ETrue, ETrue, EFalse, ETrue, ETrue};

 const TBool rightToLeftPara[NO_OF_TEST_CASES] = {EFalse, EFalse, EFalse, ETrue, EFalse, EFalse, ETrue, ETrue};

 void GetNextVisualCursorPosTestsL(CTmTextLayout* aLayout, CTestSource* aSource)

 	{

 	// Testcase 1

 	_LIT(KBidi1, "abc\x644\x644\x644zzz\x2029");

 	// Testcase 2 (0x32 and 0x39 changed to 0x6F2 and 0x0F9, see note below)

 	_LIT(KBidi2, "ab\x644\x644\x644\x6F2\x6F9\x644\x644\x644\x644zy\x2029");

 	// Testcase 3

 	_LIT(KBidi3, "ab\x202ejk\x202cjkl\x2029");

 	// Testcase 4

 	_LIT(KBidi4, "\x644\x644\x644xyz\x644\x644\x644xyz\x644\x644\x644\x2029");

 	// Testcase 5

 	_LIT(KBidi5, "\x647\x64b\x647\x647\x2029");

 	// Testcase 6

 	_LIT(KBidi6, "a\x302\x317z\x2029");

 	// Testcase 7 (0x31 and 0x32 changed to 0x6F1 and 0x0F2, see note below)

 	_LIT(KBidi7, "\x644\x644\x6F1\x6F2\x2e\x33\x34\x644\x644\x2029");

 	// Testcase 8 (0x31 - 0x35 changed to 0x6F1 - 0x0F5, see note below)

 	_LIT(KBidi8, "\x644\x644\x6F1\x2c\x6F2\x6F3\x2e\x6F4\x6F5\x644\x644\x2029");

 // Note: Test cases 2 and 7 have been changed to use \x6F0-\x6F9, Extended Arabic Digits,

 // These have the bidirectional class "EN",the same as ASCII digits.

 // These have been used in preference to ASCII digits

 // to work around a CodeWarrior preprocessor/C-Cover problem.

 // For more detils see DEF042186

 	HBufC* logicalText[NO_OF_TEST_CASES];

 	logicalText[0] = KBidi1().AllocLC();

 	logicalText[1] = KBidi2().AllocLC();

 	logicalText[2] = KBidi3().AllocLC();

 	logicalText[3] = KBidi4().AllocLC();

 	logicalText[4] = KBidi5().AllocLC();

 	logicalText[5] = KBidi6().AllocLC();

 	logicalText[6] = KBidi7().AllocLC();

 	logicalText[7] = KBidi8().AllocLC();

 	TTmFormatParam format;

 	format.iStartChar = 0;

 	format.iEndChar = 0;

 	format.iLineInPar = 0;

 	TTmDocPos pos(0, ETrue);

 	TTmPosInfo2 info;

 	int charIndex;

 	TBuf<40> msg;

 	for (TInt ii = 0; ii < NO_OF_TEST_CASES; ii++)

 		{

 		msg.Format(_L("GetNextVisualCursorPos test case %d\n"), ii + 1);

 		TESTPRINT(msg);

 		aSource->SetText(logicalText[ii]);

 		format.iEndChar = logicalText[ii]->Length();

 		if (rightToLeftPara[ii])

 			aSource->iParFormat.iFlags |= RTmParFormat::ERightToLeft;

 		aLayout->SetTextL(*aSource, format);

 		charIndex = 0;

 		pos.iPos = startPos[ii].iPos;

 		pos.iLeadingEdge = startPos[ii].iLeading;

 		while (aLayout->GetNextVisualCursorPos(pos, info, moveToLeft[ii]))

 			{

 			while (info.iDocPos.iPos != expectedCursorPos[ii][charIndex].iPos

 				|| info.iDocPos.iLeadingEdge != expectedCursorPos[ii][charIndex].iLeading)

 				{

                 TESTPOINT(expectedCursorPos[ii][charIndex].iOptional);

 				++charIndex;

 				TESTPOINT(charIndex != numberOfCursorPositionsToCheck[ii]);

 				}

 			pos = info.iDocPos;

 			++charIndex;

 			TESTPOINT(charIndex <= numberOfCursorPositionsToCheck[ii]);

 			}

 		TESTPOINT(charIndex == numberOfCursorPositionsToCheck[ii]);

 		aSource->iParFormat.iFlags &= ~(RTmParFormat::ERightToLeft); // reset back to default of LeftToRight

 		}

 	CleanupStack::PopAndDestroy(NO_OF_TEST_CASES); // cleanup all HBufC* stored in logicalText array

 	}

 /**

 @SYMTestCaseID 			SYSLIB-FORM-UT-3610

 @SYMTestCaseDesc  		Testing behaviour of r2l text when wrapping occurs and bidirectional text allowed

 @SYMTestPriority  		High

 @SYMTestActions 		1. Have some arabic text

 						2. Set wrap width to 10 chars

 						3. Set alignment to NormalBidirectional

 						4. Call CTmTextLayout::SetTextL

 						5. Retrieve the cursor position

 						6. Check the lineinfo to ensure that the innerRect TL.iX parameter is positive.

 @SYMTestExpectedResults	The innerRect that holds text top left x position is positive.

 @SYMDEF					DEF109737,PDEF110819,PDEF110820,PDEF110821

 */

 void DEF109737(CTmTextLayout* aLayout, CTestSource* aSource)

 	{

 	//R2L paragraph wrapping

 	_LIT(KLllHahHah1, "lll\x62D\x62D\x2029\x62D\x62D\x2029");

 	HBufC* buf = HBufC::NewLC(KLllHahHah1().Length());

 	*buf = KLllHahHah1;

 	aSource->SetText(buf);

 	aSource->iParFormat.iFlags = 1;

 	aSource->iParFormat.iAlignment = RTmParFormat::EAlignNormalBidirectional;

 	TTmFormatParam format;

 	format.iStartChar = 0;

 	format.iEndChar = buf->Length();

 	format.iLineInPar = 0;

 	format.iWrapWidth = 10;

 	aLayout->SetTextL(*aSource, format);

 	TTmLineInfo lineInfo;

 	TPoint position;

 	TInt width;

 	TInt ascent;

 	TInt descent;

 	TInt type = 0;

 	TInt pos = 0;

 	TTmDocPosSpec posSpec(pos,static_cast<TTmDocPosSpec::TType>(type));

 	TBool result = aLayout->GetCursor(posSpec, ECursorVertical,

 									lineInfo, position, width, ascent, descent);

 	TESTPOINT(result);

 	//Test that the LHS is non negative. Because we are allowing bidirectional text the

 	//text shouldnt wrap to next line but instead the cursor can scroll left or right to see the text.

 	TESTPOINT(lineInfo.iInnerRect.iTl.iX >= 0);

 	CleanupStack::PopAndDestroy(buf);

 	}

 /** INC041367 - Cursor in wrong position when it is one char before the

 beginning of RTL text.

 Tests that the cursor is always hanging to the right in a left to right

 paragraph. This prevents the cursor from being confusingly positioned on top of

 a little L, for example.

 */

 void INC041367(CTmTextLayout* aLayout, CTestSource* aSource)

 	{

 	_LIT(KLllHahHah, "lll\x62D\x62D\x2029");

 	HBufC* buf = HBufC::NewLC(KLllHahHah().Length());

 	*buf = KLllHahHah;

 	aSource->SetText(buf);

 	aSource->iParFormat.iFlags = 0;

 	TTmFormatParam format;

 	format.iStartChar = 0;

 	format.iEndChar = buf->Length();

 	format.iLineInPar = 0;

 	aLayout->SetTextL(*aSource, format);

 	TTmLineInfo lineInfo;

 	for (TInt pos = 0; pos != 6; ++pos)

 		{

 		for (TInt type = 0; type != 4; ++type)

 			{

 			TPoint position;

 			TInt width;

 			TInt ascent;

 			TInt descent;

 			TTmDocPosSpec posSpec(pos,

 				static_cast<TTmDocPosSpec::TType>(type));

 			TBool result = aLayout->GetCursor(posSpec, ECursorVertical,

 				lineInfo, position, width, ascent, descent);

 			TESTPOINT(result);

 			TESTPOINT(0 < width);

 			}

 		}

 	CleanupStack::PopAndDestroy(buf);

 	}

 TVerdict CTBidiCursorPosStep::doTestStepL()

 	{

     SetTestStepResult(EPass);

     TestStep = this;

     TESTPRINT(_L("TBidiCursorPos - GetNextVisualCursorPos tests"));

 	CTmTextLayout* layout = new(ELeave) CTmTextLayout;

 	CleanupStack::PushL(layout);

 	CTestSource* source = CTestSource::NewLC();

 	TESTPRINT(_L(" @SYMTestCaseID:SYSLIB-FORM-UT-3610 GetNextVisualCursorPos tests "));

 	GetNextVisualCursorPosTestsL(layout, source);

 	TESTPRINT(_L("INC041367"));

 	INC041367(layout, source);

 	TESTPRINT(_L("DEF109737"));

 	DEF109737(layout, source);

 	CleanupStack::PopAndDestroy(source);

 	CleanupStack::PopAndDestroy(layout);

 	return TestStepResult();

 	}