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textrendering/textformatting/test/src/TGraphemeIterator.cpp
branchRCL_3
changeset 17 336bee5c2d35
parent 16 748ec5531811
equal deleted inserted replaced
16:748ec5531811 17:336bee5c2d35 
     1 /*
 
     1 /*
 
     2 * Copyright (c) 2003-2010 Nokia Corporation and/or its subsidiary(-ies).
 
     2 * Copyright (c) 2003-2009 Nokia Corporation and/or its subsidiary(-ies).
 
     3 * All rights reserved.
 
     3 * All rights reserved.
 
     4 * This component and the accompanying materials are made available
 
     4 * This component and the accompanying materials are made available
 
     5 * under the terms of "Eclipse Public License v1.0"
 
     5 * under the terms of "Eclipse Public License v1.0"
 
     6 * which accompanies this distribution, and is available
 
     6 * which accompanies this distribution, and is available
 
     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".
 
     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".
 
    19 
    19 
    20 #include "TestLayout.h"
 
    20 #include "TestLayout.h"
 
    21 #include "TGraphicsContext.h"
 
    21 #include "TGraphicsContext.h"
 
    22 #include "TMINTERP.H"
 
    22 #include "TMINTERP.H"
 
    23 
    23 
    24 #include "tgraphemeiterator.h"
 
    24 #include <e32test.h>
 
    25 
       
    26 namespace LocalToTGraphemeIterator
 
       
    27 {
 
       
    28 CTGraphemeIteratorStep* TestStep;
 
       
    29 #define TESTPOINT(p) TestStep->testpoint(p,(TText8*)__FILE__,__LINE__)
 
       
    30 #define TESTPRINT(p) TestStep->print(p,(TText8*)__FILE__,__LINE__)
 
       
    31 
    25 
    32 struct TTransliteration
 
    26 struct TTransliteration
 
    33     {
 
    27 	{
 
    34     const TText* iString;
 
    28 	const TText* iString;
 
    35     TInt iChar;
 
    29 	TInt iChar;
 
    36     };
 
    30 	};
 
    37 static const TTransliteration KArabicTransliteration[] =
 
    31 static const TTransliteration KArabicTransliteration[] =
 
    38     {
 
    32 	{
 
    39     { reinterpret_cast<const TText*>(L"?"), 0x61F },
 
    33 	{ reinterpret_cast<const TText*>(L"?"), 0x61F },
 
    40     { reinterpret_cast<const TText*>(L"`"), 0x621 },    // in-line hamza
 
    34 	{ reinterpret_cast<const TText*>(L"`"), 0x621 },	// in-line hamza
 
    41     { reinterpret_cast<const TText*>(L"a"), 0x627 },    // alif
 
    35 	{ reinterpret_cast<const TText*>(L"a"), 0x627 },	// alif
 
    42     { reinterpret_cast<const TText*>(L"b"), 0x628 },
 
    36 	{ reinterpret_cast<const TText*>(L"b"), 0x628 },
 
    43     { reinterpret_cast<const TText*>(L"A"), 0x629 },    // teh marbuta
 
    37 	{ reinterpret_cast<const TText*>(L"A"), 0x629 },	// teh marbuta
 
    44     { reinterpret_cast<const TText*>(L"t"), 0x62A },
 
    38 	{ reinterpret_cast<const TText*>(L"t"), 0x62A },
 
    45     { reinterpret_cast<const TText*>(L"th"), 0x62B },
 
    39 	{ reinterpret_cast<const TText*>(L"th"), 0x62B },
 
    46     { reinterpret_cast<const TText*>(L"j"), 0x62C },
 
    40 	{ reinterpret_cast<const TText*>(L"j"), 0x62C },
 
    47     { reinterpret_cast<const TText*>(L"H"), 0x62D },    // hah
 
    41 	{ reinterpret_cast<const TText*>(L"H"), 0x62D },	// hah
 
    48     { reinterpret_cast<const TText*>(L"kh"), 0x62E },
 
    42 	{ reinterpret_cast<const TText*>(L"kh"), 0x62E },
 
    49     { reinterpret_cast<const TText*>(L"d"), 0x62F },
 
    43 	{ reinterpret_cast<const TText*>(L"d"), 0x62F },
 
    50     { reinterpret_cast<const TText*>(L"dh"), 0x630 },
 
    44 	{ reinterpret_cast<const TText*>(L"dh"), 0x630 },
 
    51     { reinterpret_cast<const TText*>(L"r"), 0x631 },
 
    45 	{ reinterpret_cast<const TText*>(L"r"), 0x631 },
 
    52     { reinterpret_cast<const TText*>(L"z"), 0x632 },
 
    46 	{ reinterpret_cast<const TText*>(L"z"), 0x632 },
 
    53     { reinterpret_cast<const TText*>(L"s"), 0x633 },
 
    47 	{ reinterpret_cast<const TText*>(L"s"), 0x633 },
 
    54     { reinterpret_cast<const TText*>(L"sh"), 0x634 },
 
    48 	{ reinterpret_cast<const TText*>(L"sh"), 0x634 },
 
    55     { reinterpret_cast<const TText*>(L"S"), 0x635 },
 
    49 	{ reinterpret_cast<const TText*>(L"S"), 0x635 },
 
    56     { reinterpret_cast<const TText*>(L"D"), 0x636 },
 
    50 	{ reinterpret_cast<const TText*>(L"D"), 0x636 },
 
    57     { reinterpret_cast<const TText*>(L"T"), 0x637 },
 
    51 	{ reinterpret_cast<const TText*>(L"T"), 0x637 },
 
    58     { reinterpret_cast<const TText*>(L"Z"), 0x638 },    // zah
 
    52 	{ reinterpret_cast<const TText*>(L"Z"), 0x638 },	// zah
 
    59     { reinterpret_cast<const TText*>(L"'"), 0x639 },    // ain
 
    53 	{ reinterpret_cast<const TText*>(L"'"), 0x639 },	// ain
 
    60     { reinterpret_cast<const TText*>(L"g"), 0x63A },
 
    54 	{ reinterpret_cast<const TText*>(L"g"), 0x63A },
 
    61     { reinterpret_cast<const TText*>(L"_"), 0x640 },    // kashida
 
    55 	{ reinterpret_cast<const TText*>(L"_"), 0x640 },	// kashida
 
    62     { reinterpret_cast<const TText*>(L"f"), 0x641 },
 
    56 	{ reinterpret_cast<const TText*>(L"f"), 0x641 },
 
    63     { reinterpret_cast<const TText*>(L"q"), 0x642 },
 
    57 	{ reinterpret_cast<const TText*>(L"q"), 0x642 },
 
    64     { reinterpret_cast<const TText*>(L"k"), 0x643 },
 
    58 	{ reinterpret_cast<const TText*>(L"k"), 0x643 },
 
    65     { reinterpret_cast<const TText*>(L"l"), 0x644 },    // lam
 
    59 	{ reinterpret_cast<const TText*>(L"l"), 0x644 },	// lam
 
    66     { reinterpret_cast<const TText*>(L"m"), 0x645 },
 
    60 	{ reinterpret_cast<const TText*>(L"m"), 0x645 },
 
    67     { reinterpret_cast<const TText*>(L"n"), 0x646 },
 
    61 	{ reinterpret_cast<const TText*>(L"n"), 0x646 },
 
    68     { reinterpret_cast<const TText*>(L"h"), 0x647 },    // heh
 
    62 	{ reinterpret_cast<const TText*>(L"h"), 0x647 },	// heh
 
    69     { reinterpret_cast<const TText*>(L"w"), 0x648 },
 
    63 	{ reinterpret_cast<const TText*>(L"w"), 0x648 },
 
    70     { reinterpret_cast<const TText*>(L"y"), 0x64A },
 
    64 	{ reinterpret_cast<const TText*>(L"y"), 0x64A },
 
    71     { reinterpret_cast<const TText*>(L"^F"), 0x64B },   // fathatan
 
    65 	{ reinterpret_cast<const TText*>(L"^F"), 0x64B },	// fathatan
 
    72     { reinterpret_cast<const TText*>(L"^D"), 0x64C },   // dammatan
 
    66 	{ reinterpret_cast<const TText*>(L"^D"), 0x64C },	// dammatan
 
    73     { reinterpret_cast<const TText*>(L"^K"), 0x64D },   // kasratan
 
    67 	{ reinterpret_cast<const TText*>(L"^K"), 0x64D },	// kasratan
 
    74     { reinterpret_cast<const TText*>(L"^f"), 0x64E },   // fatha
 
    68 	{ reinterpret_cast<const TText*>(L"^f"), 0x64E },	// fatha
 
    75     { reinterpret_cast<const TText*>(L"^d"), 0x64F },   // damma
 
    69 	{ reinterpret_cast<const TText*>(L"^d"), 0x64F },	// damma
 
    76     { reinterpret_cast<const TText*>(L"^k"), 0x650 },   // kasra
 
    70 	{ reinterpret_cast<const TText*>(L"^k"), 0x650 },	// kasra
 
    77     { reinterpret_cast<const TText*>(L"^s"), 0x651 },   // shadda
 
    71 	{ reinterpret_cast<const TText*>(L"^s"), 0x651 },	// shadda
 
    78     { reinterpret_cast<const TText*>(L"^h"), 0x652 },   // sukun
 
    72 	{ reinterpret_cast<const TText*>(L"^h"), 0x652 },	// sukun
 
    79     { reinterpret_cast<const TText*>(L"^~"), 0x653 },   // maddah
 
    73 	{ reinterpret_cast<const TText*>(L"^~"), 0x653 },	// maddah
 
    80     { reinterpret_cast<const TText*>(L"^`"), 0x654 },   // hamza above
 
    74 	{ reinterpret_cast<const TText*>(L"^`"), 0x654 },	// hamza above
 
    81     { reinterpret_cast<const TText*>(L"_`"), 0x653 },   // hamza below
 
    75 	{ reinterpret_cast<const TText*>(L"_`"), 0x653 },	// hamza below
 
    82     { reinterpret_cast<const TText*>(L"0"), 0x660 },
 
    76 	{ reinterpret_cast<const TText*>(L"0"), 0x660 },
 
    83     { reinterpret_cast<const TText*>(L"1"), 0x661 },
 
    77 	{ reinterpret_cast<const TText*>(L"1"), 0x661 },
 
    84     { reinterpret_cast<const TText*>(L"2"), 0x662 },
 
    78 	{ reinterpret_cast<const TText*>(L"2"), 0x662 },
 
    85     { reinterpret_cast<const TText*>(L"3"), 0x663 },
 
    79 	{ reinterpret_cast<const TText*>(L"3"), 0x663 },
 
    86     { reinterpret_cast<const TText*>(L"4"), 0x664 },
 
    80 	{ reinterpret_cast<const TText*>(L"4"), 0x664 },
 
    87     { reinterpret_cast<const TText*>(L"5"), 0x665 },
 
    81 	{ reinterpret_cast<const TText*>(L"5"), 0x665 },
 
    88     { reinterpret_cast<const TText*>(L"6"), 0x666 },
 
    82 	{ reinterpret_cast<const TText*>(L"6"), 0x666 },
 
    89     { reinterpret_cast<const TText*>(L"7"), 0x667 },
 
    83 	{ reinterpret_cast<const TText*>(L"7"), 0x667 },
 
    90     { reinterpret_cast<const TText*>(L"8"), 0x668 },
 
    84 	{ reinterpret_cast<const TText*>(L"8"), 0x668 },
 
    91     { reinterpret_cast<const TText*>(L"9"), 0x669 }
 
    85 	{ reinterpret_cast<const TText*>(L"9"), 0x669 }
 
    92     };
 
    86 	};
 
    93 }
 
       
    94 using namespace LocalToTGraphemeIterator;
 
       
    95 
    87 
    96 TText TransliterateSingle(const TText*& aInput, const TText* aEnd)
 
    88 TText TransliterateSingle(const TText*& aInput, const TText* aEnd)
 
    97 	{
 
    89 	{
 
    98 	const TInt tableSize =
 
    90 	const TInt tableSize =
 
    99 		sizeof(KArabicTransliteration)/sizeof(KArabicTransliteration[0]);
 
    91 		sizeof(KArabicTransliteration)/sizeof(KArabicTransliteration[0]);
 
   153 
   145 
   154 /**
 
   146 /**
 
   155 Tests RTmGraphemeEdgeIterator::DocPosMatches for this document position and
 
   147 Tests RTmGraphemeEdgeIterator::DocPosMatches for this document position and
 
   156 edge.
 
   148 edge.
 
   157 */
 
   149 */
 
   158 void TestDocPosMatchesCase(const TTmGraphemeEdgeInfo& aEdgeInfo,
 
   150 void TestDocPosMatchesCase(RTest& aTest,
 
       
   151 	const TTmGraphemeEdgeInfo& aEdgeInfo,
 
   159 	TTmDocPosSpec& aPosSpec,
 
   152 	TTmDocPosSpec& aPosSpec,
 
   160 	RTmGraphemeEdgeIterator::TGraphemeMatch aExpectedMatchType)
 
   153 	RTmGraphemeEdgeIterator::TGraphemeMatch aExpectedMatchType)
 
   161 	{
 
   154 	{
 
   162 	TInt start = aEdgeInfo.iPos.iDocPos.iPos;
 
   155 	TInt start = aEdgeInfo.iPos.iDocPos.iPos;
 
   163 	TInt end = start;
 
   156 	TInt end = start;
 
   167 		{
 
   160 		{
 
   168 		start -= aEdgeInfo.iCodePoints - 1;
 
   161 		start -= aEdgeInfo.iCodePoints - 1;
 
   169 		++end;
 
   162 		++end;
 
   170 		}
 
   163 		}
 
   171 	aPosSpec.iPos = start - 1;
 
   164 	aPosSpec.iPos = start - 1;
 
   172 	TESTPOINT(RTmGraphemeEdgeIterator::DocPosMatches(aPosSpec, aEdgeInfo)
 
   165 	aTest(RTmGraphemeEdgeIterator::DocPosMatches(aPosSpec, aEdgeInfo)
 
   173 		== RTmGraphemeEdgeIterator::ENoMatch);
 
   166 		== RTmGraphemeEdgeIterator::ENoMatch);
 
   174 	for (TInt i = start; i != end; ++i)
 
   167 	for (TInt i = start; i != end; ++i)
 
   175 		{
 
   168 		{
 
   176 		aPosSpec.iPos = i;
 
   169 		aPosSpec.iPos = i;
 
   177 		TESTPOINT(RTmGraphemeEdgeIterator::DocPosMatches(aPosSpec, aEdgeInfo)
 
   170 		aTest(RTmGraphemeEdgeIterator::DocPosMatches(aPosSpec, aEdgeInfo)
 
   178 			== aExpectedMatchType);
 
   171 			== aExpectedMatchType);
 
   179 		}
 
   172 		}
 
   180 	aPosSpec.iPos = end;
 
   173 	aPosSpec.iPos = end;
 
   181 	TESTPOINT(RTmGraphemeEdgeIterator::DocPosMatches(aPosSpec, aEdgeInfo)
 
   174 	aTest(RTmGraphemeEdgeIterator::DocPosMatches(aPosSpec, aEdgeInfo)
 
   182 		== RTmGraphemeEdgeIterator::ENoMatch);
 
   175 		== RTmGraphemeEdgeIterator::ENoMatch);
 
   183 	}
 
   176 	}
 
   184 
   177 
   185 /**
 
   178 /**
 
   186 Tests RTmGraphemeEdgeIterator::DocPosMatches for this edge and all relevant
 
   179 Tests RTmGraphemeEdgeIterator::DocPosMatches for this edge and all relevant
 
   187 document position specifications.
 
   180 document position specifications.
 
   188 */
 
   181 */
 
   189 void TestDocPosMatchesAllSpecs(const TTmGraphemeEdgeInfo& aEdgeInfo)
 
   182 void TestDocPosMatchesAllSpecs(RTest& aTest,
 
       
   183 	const TTmGraphemeEdgeInfo& aEdgeInfo)
 
   190 	{
 
   184 	{
 
   191 	TTmDocPosSpec posSpec;
 
   185 	TTmDocPosSpec posSpec;
 
   192 	RTmGraphemeEdgeIterator::TGraphemeMatch expected;
 
   186 	RTmGraphemeEdgeIterator::TGraphemeMatch expected;
 
   193 	posSpec.iType = TTmDocPosSpec::ELeftToRight;
 
   187 	posSpec.iType = TTmDocPosSpec::ELeftToRight;
 
   194 	expected = aEdgeInfo.iPos.iRightToLeft?
 
   188 	expected = aEdgeInfo.iPos.iRightToLeft?
 
   195 		RTmGraphemeEdgeIterator::EPositionOnly
 
   189 		RTmGraphemeEdgeIterator::EPositionOnly
 
   196 		: RTmGraphemeEdgeIterator::ETotalMatch;
 
   190 		: RTmGraphemeEdgeIterator::ETotalMatch;
 
   197 	TestDocPosMatchesCase(aEdgeInfo, posSpec, expected);
 
   191 	TestDocPosMatchesCase(aTest, aEdgeInfo, posSpec, expected);
 
   198 	posSpec.iType = TTmDocPosSpec::ERightToLeft;
 
   192 	posSpec.iType = TTmDocPosSpec::ERightToLeft;
 
   199 	expected = aEdgeInfo.iPos.iRightToLeft?
 
   193 	expected = aEdgeInfo.iPos.iRightToLeft?
 
   200 		RTmGraphemeEdgeIterator::ETotalMatch
 
   194 		RTmGraphemeEdgeIterator::ETotalMatch
 
   201 		: RTmGraphemeEdgeIterator::EPositionOnly;
 
   195 		: RTmGraphemeEdgeIterator::EPositionOnly;
 
   202 	TestDocPosMatchesCase(aEdgeInfo, posSpec, expected);
 
   196 	TestDocPosMatchesCase(aTest, aEdgeInfo, posSpec, expected);
 
   203 	posSpec.iType = TTmDocPosSpec::ETrailing;
 
   197 	posSpec.iType = TTmDocPosSpec::ETrailing;
 
   204 	expected = aEdgeInfo.iPos.iDocPos.iLeadingEdge?
 
   198 	expected = aEdgeInfo.iPos.iDocPos.iLeadingEdge?
 
   205 		RTmGraphemeEdgeIterator::ENoMatch
 
   199 		RTmGraphemeEdgeIterator::ENoMatch
 
   206 		: RTmGraphemeEdgeIterator::ETotalMatch;
 
   200 		: RTmGraphemeEdgeIterator::ETotalMatch;
 
   207 	TestDocPosMatchesCase(aEdgeInfo, posSpec, expected);
 
   201 	TestDocPosMatchesCase(aTest, aEdgeInfo, posSpec, expected);
 
   208 	posSpec.iType = TTmDocPosSpec::ELeading;
 
   202 	posSpec.iType = TTmDocPosSpec::ELeading;
 
   209 	expected = aEdgeInfo.iPos.iDocPos.iLeadingEdge?
 
   203 	expected = aEdgeInfo.iPos.iDocPos.iLeadingEdge?
 
   210 		RTmGraphemeEdgeIterator::ETotalMatch
 
   204 		RTmGraphemeEdgeIterator::ETotalMatch
 
   211 		: RTmGraphemeEdgeIterator::ENoMatch;
 
   205 		: RTmGraphemeEdgeIterator::ENoMatch;
 
   212 	TestDocPosMatchesCase(aEdgeInfo, posSpec, expected);
 
   206 	TestDocPosMatchesCase(aTest, aEdgeInfo, posSpec, expected);
 
   213 	}
 
   207 	}
 
   214 
   208 
   215 /**
 
   209 /**
 
   216 Tests RTmGraphemeEdgeIterator::DocPosMatches for a variety of edges and
 
   210 Tests RTmGraphemeEdgeIterator::DocPosMatches for a variety of edges and
 
   217 positions.
 
   211 positions.
 
   218 */
 
   212 */
 
   219 void TestDocPosMatches()
 
   213 void TestDocPosMatches(RTest& aTest)
 
   220 	{
 
   214 	{
 
   221 	TTmGraphemeEdgeInfo edgeInfo;
 
   215 	TTmGraphemeEdgeInfo edgeInfo;
 
   222 	edgeInfo.iPos.iDocPos.iPos = 5;
 
   216 	edgeInfo.iPos.iDocPos.iPos = 5;
 
   223 	for (edgeInfo.iCodePoints = 1; edgeInfo.iCodePoints <= 3;
 
   217 	for (edgeInfo.iCodePoints = 1; edgeInfo.iCodePoints <= 3;
 
   224 		++edgeInfo.iCodePoints)
 
   218 		++edgeInfo.iCodePoints)
 
   225 		{
 
   219 		{
 
   226 		edgeInfo.iPos.iDocPos.iLeadingEdge = ETrue;
 
   220 		edgeInfo.iPos.iDocPos.iLeadingEdge = ETrue;
 
   227 		edgeInfo.iPos.iRightToLeft = EFalse;
 
   221 		edgeInfo.iPos.iRightToLeft = EFalse;
 
   228 		TestDocPosMatchesAllSpecs(edgeInfo);
 
   222 		TestDocPosMatchesAllSpecs(aTest, edgeInfo);
 
   229 		edgeInfo.iPos.iDocPos.iLeadingEdge = EFalse;
 
   223 		edgeInfo.iPos.iDocPos.iLeadingEdge = EFalse;
 
   230 		TestDocPosMatchesAllSpecs(edgeInfo);
 
   224 		TestDocPosMatchesAllSpecs(aTest, edgeInfo);
 
   231 		edgeInfo.iPos.iRightToLeft = ETrue;
 
   225 		edgeInfo.iPos.iRightToLeft = ETrue;
 
   232 		TestDocPosMatchesAllSpecs(edgeInfo);
 
   226 		TestDocPosMatchesAllSpecs(aTest, edgeInfo);
 
   233 		edgeInfo.iPos.iDocPos.iLeadingEdge = ETrue;
 
   227 		edgeInfo.iPos.iDocPos.iLeadingEdge = ETrue;
 
   234 		TestDocPosMatchesAllSpecs(edgeInfo);
 
   228 		TestDocPosMatchesAllSpecs(aTest, edgeInfo);
 
   235 		}
 
   229 		}
 
   236 	}
 
   230 	}
 
   237 
   231 
   238 enum TEdgeType { ETrail, ELead };
 
   232 enum TEdgeType { ETrail, ELead };
 
   239 enum TEdgeRelationship { EEdgeDifferent, EEdgeSame, EEdgeNewline };
 
   233 enum TEdgeRelationship { EEdgeDifferent, EEdgeSame, EEdgeNewline };
 
   555 	}
 
   549 	}
 
   556 
   550 
   557 /**
 
   551 /**
 
   558 Tests that the edge information matches the expected edge.
 
   552 Tests that the edge information matches the expected edge.
 
   559 */
 
   553 */
 
   560 void TestExpectedEdge(const TTmPosInfo2& aEdgeInfo,
 
   554 void TestExpectedEdge(RTest& aTest, const TTmPosInfo2& aEdgeInfo,
 
   561 	const TEdge* aExpected)
 
   555 	const TEdge* aExpected)
 
   562 	{
 
   556 	{
 
   563 	TESTPOINT(aEdgeInfo.iRightToLeft?
 
   557 	aTest(aEdgeInfo.iRightToLeft?
 
   564 		aExpected->iRightToLeft : !aExpected->iRightToLeft);
 
   558 		aExpected->iRightToLeft : !aExpected->iRightToLeft);
 
   565 	TESTPOINT(aEdgeInfo.iDocPos.iPos == aExpected->iPos);
 
   559 	aTest(aEdgeInfo.iDocPos.iPos == aExpected->iPos);
 
   566 	TESTPOINT(aEdgeInfo.iDocPos.iLeadingEdge?
 
   560 	aTest(aEdgeInfo.iDocPos.iLeadingEdge?
 
   567 		aExpected->iLeading : !aExpected->iLeading);
 
   561 		aExpected->iLeading : !aExpected->iLeading);
 
   568 	}
 
   562 	}
 
   569 
   563 
   570 /**
 
   564 /**
 
   571 Tests that the edge information matches one of the expected edges.
 
   565 Tests that the edge information matches one of the expected edges.
 
   572 */
 
   566 */
 
   573 void TestEdgeExists(const TTmPosInfo2& aEdgeInfo,
 
   567 void TestEdgeExists(RTest& aTest, const TTmPosInfo2& aEdgeInfo,
 
   574 	const TEdge* aExpected, TInt aNumExpected)
 
   568 	const TEdge* aExpected, TInt aNumExpected)
 
   575 	{
 
   569 	{
 
   576 	TTmDocPos pos(aEdgeInfo.iDocPos);
 
   570 	TTmDocPos pos(aEdgeInfo.iDocPos);
 
   577 	const TEdge* edge = FindExpectedEdge(pos, aExpected, aNumExpected);
 
   571 	const TEdge* edge = FindExpectedEdge(pos, aExpected, aNumExpected);
 
   578 	TESTPOINT(edge != 0);
 
   572 	aTest(edge != 0);
 
   579 	TestExpectedEdge(aEdgeInfo, edge);
 
   573 	TestExpectedEdge(aTest, aEdgeInfo, edge);
 
   580 	}
 
   574 	}
 
   581 
   575 
   582 /**
 
   576 /**
 
   583 Tests that the visual position matches one of the expected edges.
 
   577 Tests that the visual position matches one of the expected edges.
 
   584 */
 
   578 */
 
   585 void TestVisualPositionExists(const TTmVisualDocPos& aPos,
 
   579 void TestVisualPositionExists(RTest& aTest, const TTmVisualDocPos& aPos,
 
   586 	const TEdge* aExpected, TInt aNumExpected)
 
   580 	const TEdge* aExpected, TInt aNumExpected)
 
   587 	{
 
   581 	{
 
   588     TESTPOINT(aPos.Ambiguity() != TTmVisualDocPos::ENotFound);
 
   582 	aTest(aPos.Ambiguity() != TTmVisualDocPos::ENotFound);
 
   589 	TTmDocPos posLeft(aPos.LeftEdge().iDocPos);
 
   583 	TTmDocPos posLeft(aPos.LeftEdge().iDocPos);
 
   590 	const TEdge* left = FindExpectedEdge(posLeft, aExpected, aNumExpected);
 
   584 	const TEdge* left = FindExpectedEdge(posLeft, aExpected, aNumExpected);
 
   591 	TestExpectedEdge(aPos.LeftEdge(), left);
 
   585 	TestExpectedEdge(aTest, aPos.LeftEdge(), left);
 
   592 	TTmDocPos posRight(aPos.RightEdge().iDocPos);
 
   586 	TTmDocPos posRight(aPos.RightEdge().iDocPos);
 
   593 	const TEdge* right = FindExpectedEdge(posRight, aExpected, aNumExpected);
 
   587 	const TEdge* right = FindExpectedEdge(posRight, aExpected, aNumExpected);
 
   594 	TestExpectedEdge(aPos.RightEdge(), right);
 
   588 	TestExpectedEdge(aTest, aPos.RightEdge(), right);
 
   595 	TESTPOINT( (aPos.Ambiguity() == TTmVisualDocPos::EAmbiguous
 
   589 	aTest( (aPos.Ambiguity() == TTmVisualDocPos::EAmbiguous
 
   596 			&& left->iAmbiguity && right->iAmbiguity)
 
   590 			&& left->iAmbiguity && right->iAmbiguity)
 
   597 		|| (aPos.Ambiguity() != TTmVisualDocPos::EAmbiguous
 
   591 		|| (aPos.Ambiguity() != TTmVisualDocPos::EAmbiguous
 
   598 			&& !left->iAmbiguity && !right->iAmbiguity) );
 
   592 			&& !left->iAmbiguity && !right->iAmbiguity) );
 
   599 	TESTPOINT(ExpectedEdgesCoincide(left, right));
 
   593 	aTest(ExpectedEdgesCoincide(left, right));
 
   600 	}
 
   594 	}
 
   601 
   595 
   602 /**
 
   596 /**
 
   603 Tests that a RTmGraphemeEdgeIterator iterates through all the positions in a
 
   597 Tests that a RTmGraphemeEdgeIterator iterates through all the positions in a
 
   604 line from left to right.
 
   598 line from left to right.
 
   605 */
 
   599 */
 
   606 void TestLayoutSimplePass(CTestTmTextLayout& aLayout,
 
   600 void TestLayoutSimplePass(RTest& aTest, CTestTmTextLayout& aLayout,
 
   607 	const TEdge* aExpected, TInt aNumExpected)
 
   601 	const TEdge* aExpected, TInt aNumExpected)
 
   608 	{
 
   602 	{
 
   609 	CTmTextLayout& layout = aLayout.Layout();
 
   603 	CTmTextLayout& layout = aLayout.Layout();
 
   610 	TTmInterpreterParam interpParam(layout);
 
   604 	TTmInterpreterParam interpParam(layout);
 
   611 	RTmGeneralInterpreter interp(aLayout.Source(), interpParam);
 
   605 	RTmGeneralInterpreter interp(aLayout.Source(), interpParam);
 
   614 	it.Begin(interp);
 
   608 	it.Begin(interp);
 
   615 	TTmPosInfo2 last = it.GetInfo();
 
   609 	TTmPosInfo2 last = it.GetInfo();
 
   616 	for (TInt i = 0; i != aNumExpected; ++i)
 
   610 	for (TInt i = 0; i != aNumExpected; ++i)
 
   617 		{
 
   611 		{
 
   618 		const TEdge& expected = aExpected[i];
 
   612 		const TEdge& expected = aExpected[i];
 
   619 		TESTPOINT(expected.iPos == last.iDocPos.iPos);
 
   613 		aTest(expected.iPos == last.iDocPos.iPos);
 
   620 		TESTPOINT(expected.iLeading == last.iDocPos.iLeadingEdge);
 
   614 		aTest(expected.iLeading == last.iDocPos.iLeadingEdge);
 
   621 		it.Next();
 
   615 		it.Next();
 
   622 		if (it.AtEnd())
 
   616 		if (it.AtEnd())
 
   623 			{
 
   617 			{
 
   624             TESTPOINT(expected.iNext == EEdgeNewline);
 
   618 			aTest(expected.iNext == EEdgeNewline);
 
   625 			while (interp.Op() != TTmInterpreter::EOpLine && interp.Next())
 
   619 			while (interp.Op() != TTmInterpreter::EOpLine && interp.Next())
 
   626 				{}
 
   620 				{}
 
   627 			if (i + 1 != aNumExpected)
 
   621 			if (i + 1 != aNumExpected)
 
   628 				{
 
   622 				{
 
   629 				it.Begin(interp);
 
   623 				it.Begin(interp);
 
   631 				}
 
   625 				}
 
   632 			}
 
   626 			}
 
   633 		else
 
   627 		else
 
   634 			{
 
   628 			{
 
   635 			TTmPosInfo2 thisOne = it.GetInfo();
 
   629 			TTmPosInfo2 thisOne = it.GetInfo();
 
   636 			TestEdgeExists(thisOne, aExpected, aNumExpected);
 
   630 			TestEdgeExists(aTest, thisOne, aExpected, aNumExpected);
 
   637 			TESTPOINT(expected.iNext != EEdgeNewline);
 
   631 			aTest(expected.iNext != EEdgeNewline);
 
   638 			if (expected.iNext == EEdgeSame)
 
   632 			if (expected.iNext == EEdgeSame)
 
   639 			    TESTPOINT(last.iEdge.iX == thisOne.iEdge.iX);
 
   633 				aTest(last.iEdge.iX == thisOne.iEdge.iX);
 
   640 			else if (expected.iNext == EEdgeDifferent)
 
   634 			else if (expected.iNext == EEdgeDifferent)
 
   641 			    TESTPOINT(last.iEdge.iX != thisOne.iEdge.iX);
 
   635 				aTest(last.iEdge.iX != thisOne.iEdge.iX);
 
   642 			last = thisOne;
 
   636 			last = thisOne;
 
   643 			}
 
   637 			}
 
   644 		}
 
   638 		}
 
   645 	it.Close();
 
   639 	it.Close();
 
   646 	interp.Close();
 
   640 	interp.Close();
 
   648 
   642 
   649 /**
 
   643 /**
 
   650 Tests that FindXPos returns the edge 'closest' to the input co-ordinate
 
   644 Tests that FindXPos returns the edge 'closest' to the input co-ordinate
 
   651 where there is no ambiguity.
 
   645 where there is no ambiguity.
 
   652 */
 
   646 */
 
   653 void TestLayoutFindXPosEdges(TInt aLine,
 
   647 void TestLayoutFindXPosEdges(RTest& aTest, TInt aLine,
 
   654 	CTestTmTextLayout& aLayout,
 
   648 	CTestTmTextLayout& aLayout,
 
   655 	const TEdge* aExpected, TInt aNumExpected)
 
   649 	const TEdge* aExpected, TInt aNumExpected)
 
   656 	{
 
   650 	{
 
   657 	CTmTextLayout& layout = aLayout.Layout();
 
   651 	CTmTextLayout& layout = aLayout.Layout();
 
   658 	TTmInterpreterParam interpParam(layout);
 
   652 	TTmInterpreterParam interpParam(layout);
 
   676 				RTmGeneralInterpreter interp(aLayout.Source(), interpParam);
 
   670 				RTmGeneralInterpreter interp(aLayout.Source(), interpParam);
 
   677 				interp.LineNumberToLine(aLine);
 
   671 				interp.LineNumberToLine(aLine);
 
   678 				RTmGraphemeEdgeIterator it;
 
   672 				RTmGraphemeEdgeIterator it;
 
   679 				it.Begin(interp);
 
   673 				it.Begin(interp);
 
   680 				it.FindXPos(posInfo.iEdge.iX, visPos);
 
   674 				it.FindXPos(posInfo.iEdge.iX, visPos);
 
   681 				TESTPOINT(visPos.Ambiguity() != TTmVisualDocPos::EAmbiguous);
 
   675 				aTest(visPos.Ambiguity() != TTmVisualDocPos::EAmbiguous);
 
   682 				TESTPOINT(visPos.Ambiguity() != TTmVisualDocPos::ENotFound);
 
   676 				aTest(visPos.Ambiguity() != TTmVisualDocPos::ENotFound);
 
   683 				TESTPOINT(visPos.LeftEdge().iDocPos.iPos == expectedL.iPos);
 
   677 				aTest(visPos.LeftEdge().iDocPos.iPos == expectedL.iPos);
 
   684 				TESTPOINT(visPos.LeftEdge().iDocPos.iLeadingEdge?
 
   678 				aTest(visPos.LeftEdge().iDocPos.iLeadingEdge?
 
   685 					expectedL.iLeading : !expectedL.iLeading);
 
   679 					expectedL.iLeading : !expectedL.iLeading);
 
   686 				it.Close();
 
   680 				it.Close();
 
   687 				interp.Close();
 
   681 				interp.Close();
 
   688 				}
 
   682 				}
 
   689 			if (!expectedR.iAmbiguity)
 
   683 			if (!expectedR.iAmbiguity)
 
   695 				RTmGeneralInterpreter interp(aLayout.Source(), interpParam);
 
   689 				RTmGeneralInterpreter interp(aLayout.Source(), interpParam);
 
   696 				interp.LineNumberToLine(aLine);
 
   690 				interp.LineNumberToLine(aLine);
 
   697 				RTmGraphemeEdgeIterator it;
 
   691 				RTmGraphemeEdgeIterator it;
 
   698 				it.Begin(interp);
 
   692 				it.Begin(interp);
 
   699 				it.FindXPos(posInfo.iEdge.iX - 1, visPos);
 
   693 				it.FindXPos(posInfo.iEdge.iX - 1, visPos);
 
   700 				TESTPOINT(visPos.Ambiguity() != TTmVisualDocPos::EAmbiguous);
 
   694 				aTest(visPos.Ambiguity() != TTmVisualDocPos::EAmbiguous);
 
   701 				TESTPOINT(visPos.Ambiguity() != TTmVisualDocPos::ENotFound);
 
   695 				aTest(visPos.Ambiguity() != TTmVisualDocPos::ENotFound);
 
   702 				TESTPOINT(visPos.LeftEdge().iDocPos.iPos == expectedR.iPos);
 
   696 				aTest(visPos.LeftEdge().iDocPos.iPos == expectedR.iPos);
 
   703 				TESTPOINT(visPos.LeftEdge().iDocPos.iLeadingEdge?
 
   697 				aTest(visPos.LeftEdge().iDocPos.iLeadingEdge?
 
   704 					expectedR.iLeading : !expectedR.iLeading);
 
   698 					expectedR.iLeading : !expectedR.iLeading);
 
   705 				it.Close();
 
   699 				it.Close();
 
   706 				interp.Close();
 
   700 				interp.Close();
 
   707 				}
 
   701 				}
 
   708 			}
 
   702 			}
 
   711 
   705 
   712 /**
 
   706 /**
 
   713 Tests that RTmGraphemeEdgeIterator::FindXPos finds document positions that
 
   707 Tests that RTmGraphemeEdgeIterator::FindXPos finds document positions that
 
   714 match the positions they are supposed to be in.
 
   708 match the positions they are supposed to be in.
 
   715 */
 
   709 */
 
   716 void TestLayoutFindXPos(TInt aLine,
 
   710 void TestLayoutFindXPos(RTest& aTest, TInt aLine,
 
   717 	CTestTmTextLayout& aLayout,
 
   711 	CTestTmTextLayout& aLayout,
 
   718 	const TEdge* aExpected, TInt aNumExpected)
 
   712 	const TEdge* aExpected, TInt aNumExpected)
 
   719 	{
 
   713 	{
 
   720 	TInt lastLeftX = KMinTInt;
 
   714 	TInt lastLeftX = KMinTInt;
 
   721 	TInt lastRightX = KMinTInt;
 
   715 	TInt lastRightX = KMinTInt;
 
   728 		RTmGeneralInterpreter interp(aLayout.Source(), interpParam);
 
   722 		RTmGeneralInterpreter interp(aLayout.Source(), interpParam);
 
   729 		interp.LineNumberToLine(aLine);
 
   723 		interp.LineNumberToLine(aLine);
 
   730 		RTmGraphemeEdgeIterator it;
 
   724 		RTmGraphemeEdgeIterator it;
 
   731 		it.Begin(interp);
 
   725 		it.Begin(interp);
 
   732 		it.FindXPos(x, visPos);
 
   726 		it.FindXPos(x, visPos);
 
   733 		TestVisualPositionExists(visPos, aExpected, aNumExpected);
 
   727 		TestVisualPositionExists(aTest, visPos, aExpected, aNumExpected);
 
   734 		TESTPOINT(visPos.Ambiguity() != TTmVisualDocPos::ENotFound);
 
   728 		aTest(visPos.Ambiguity() != TTmVisualDocPos::ENotFound);
 
   735 		TESTPOINT(visPos.LeftEdge().iEdge.iX <= visPos.RightEdge().iEdge.iX);
 
   729 		aTest(visPos.LeftEdge().iEdge.iX <= visPos.RightEdge().iEdge.iX);
 
   736 		TESTPOINT(visPos.Ambiguity() == TTmVisualDocPos::EAmbiguous
 
   730 		aTest(visPos.Ambiguity() == TTmVisualDocPos::EAmbiguous
 
   737 			|| visPos.LeftEdge().iEdge.iX == visPos.RightEdge().iEdge.iX);
 
   731 			|| visPos.LeftEdge().iEdge.iX == visPos.RightEdge().iEdge.iX);
 
   738 		TESTPOINT(lastLeftX <= visPos.LeftEdge().iEdge.iX);
 
   732 		aTest(lastLeftX <= visPos.LeftEdge().iEdge.iX);
 
   739 		if (lastLeftX == visPos.LeftEdge().iEdge.iX)
 
   733 		if (lastLeftX == visPos.LeftEdge().iEdge.iX)
 
   740 			{
 
   734 			{
 
   741             TESTPOINT(lastRightX == visPos.RightEdge().iEdge.iX);
 
   735 			aTest(lastRightX == visPos.RightEdge().iEdge.iX);
 
   742 			while (aExpected->iPos != visPos.LeftEdge().iDocPos.iPos
 
   736 			while (aExpected->iPos != visPos.LeftEdge().iDocPos.iPos
 
   743 				|| aExpected->iLeading != visPos.LeftEdge().iDocPos.iLeadingEdge)
 
   737 				|| aExpected->iLeading != visPos.LeftEdge().iDocPos.iLeadingEdge)
 
   744 				{
 
   738 				{
 
   745                 TESTPOINT(aExpected->iNext == EEdgeSame);
 
   739 				aTest(aExpected->iNext == EEdgeSame);
 
   746                 TESTPOINT(0 < aNumExpected);
 
   740 				aTest(0 < aNumExpected);
 
   747 				++aExpected;
 
   741 				++aExpected;
 
   748 				--aNumExpected;
 
   742 				--aNumExpected;
 
   749 				}
 
   743 				}
 
   750 			}
 
   744 			}
 
   751 		else
 
   745 		else
 
   752 			{
 
   746 			{
 
   753             TESTPOINT(lastRightX <= visPos.LeftEdge().iEdge.iX);
 
   747 			aTest(lastRightX <= visPos.LeftEdge().iEdge.iX);
 
   754 			while (aExpected->iPos != visPos.LeftEdge().iDocPos.iPos
 
   748 			while (aExpected->iPos != visPos.LeftEdge().iDocPos.iPos
 
   755 				|| aExpected->iLeading != visPos.LeftEdge().iDocPos.iLeadingEdge)
 
   749 				|| aExpected->iLeading != visPos.LeftEdge().iDocPos.iLeadingEdge)
 
   756 				{
 
   750 				{
 
   757                 TESTPOINT(0 < aNumExpected);
 
   751 				aTest(0 < aNumExpected);
 
   758 				++aExpected;
 
   752 				++aExpected;
 
   759 				--aNumExpected;
 
   753 				--aNumExpected;
 
   760 				}
 
   754 				}
 
   761 			}
 
   755 			}
 
   762 		if (interp.LineInfo().iInnerRect.iBr.iX + 120 < x)
 
   756 		if (interp.LineInfo().iInnerRect.iBr.iX + 120 < x)
 
   764 		it.Close();
 
   758 		it.Close();
 
   765 		interp.Close();
 
   759 		interp.Close();
 
   766 		}
 
   760 		}
 
   767 	while (aExpected->iNext != EEdgeNewline)
 
   761 	while (aExpected->iNext != EEdgeNewline)
 
   768 		{
 
   762 		{
 
   769         TESTPOINT(aExpected->iNext == EEdgeSame);
 
   763 		aTest(aExpected->iNext == EEdgeSame);
 
   770         TESTPOINT(0 < aNumExpected);
 
   764 		aTest(0 < aNumExpected);
 
   771 		++aExpected;
 
   765 		++aExpected;
 
   772 		--aNumExpected;
 
   766 		--aNumExpected;
 
   773 		}
 
   767 		}
 
   774 	}
 
   768 	}
 
   775 
   769 
   794 
   788 
   795 /**
 
   789 /**
 
   796 Tests that RTmGraphemeEdgeIterator::FindEdge finds the edges in the layout with
 
   790 Tests that RTmGraphemeEdgeIterator::FindEdge finds the edges in the layout with
 
   797 specifications of leading or trailing edges.
 
   791 specifications of leading or trailing edges.
 
   798 */
 
   792 */
 
   799 void TestLayoutFindEdgesInVisualOrder(TInt aLine,
 
   793 void TestLayoutFindEdgesInVisualOrder(RTest& aTest, TInt aLine,
 
   800 	CTestTmTextLayout& aLayout,
 
   794 	CTestTmTextLayout& aLayout,
 
   801 	const TEdge* aExpected, TInt aNumExpected)
 
   795 	const TEdge* aExpected, TInt aNumExpected)
 
   802 	{
 
   796 	{
 
   803 	TInt lastX = KMinTInt;
 
   797 	TInt lastX = KMinTInt;
 
   804 	TBool sameExpected = EFalse;
 
   798 	TBool sameExpected = EFalse;
 
   806 	while (aNumExpected != 0)
 
   800 	while (aNumExpected != 0)
 
   807 		{
 
   801 		{
 
   808 		TTmDocPosSpec posSpec(aExpected->iPos, aExpected->iLeading?
 
   802 		TTmDocPosSpec posSpec(aExpected->iPos, aExpected->iLeading?
 
   809 			TTmDocPosSpec::ELeading : TTmDocPosSpec::ETrailing);
 
   803 			TTmDocPosSpec::ELeading : TTmDocPosSpec::ETrailing);
 
   810 		FindEdgeFromLayout(aLayout, aLine, posSpec, posInfo);
 
   804 		FindEdgeFromLayout(aLayout, aLine, posSpec, posInfo);
 
   811 		TestEdgeExists(posInfo, aExpected, aNumExpected);
 
   805 		TestEdgeExists(aTest, posInfo, aExpected, aNumExpected);
 
   812 		TESTPOINT(aExpected->iLeading?
 
   806 		aTest(aExpected->iLeading?
 
   813 			posInfo.iDocPos.iLeadingEdge : !posInfo.iDocPos.iLeadingEdge);
 
   807 			posInfo.iDocPos.iLeadingEdge : !posInfo.iDocPos.iLeadingEdge);
 
   814 		TESTPOINT(aExpected->iPos == posInfo.iDocPos.iPos);
 
   808 		aTest(aExpected->iPos == posInfo.iDocPos.iPos);
 
   815 		TESTPOINT(sameExpected || posInfo.iEdge.iX != lastX);
 
   809 		aTest(sameExpected || posInfo.iEdge.iX != lastX);
 
   816 		TESTPOINT(!sameExpected || posInfo.iEdge.iX == lastX);
 
   810 		aTest(!sameExpected || posInfo.iEdge.iX == lastX);
 
   817 		lastX = posInfo.iEdge.iX;
 
   811 		lastX = posInfo.iEdge.iX;
 
   818 		sameExpected = aExpected->iNext == EEdgeSame? ETrue : EFalse;
 
   812 		sameExpected = aExpected->iNext == EEdgeSame? ETrue : EFalse;
 
   819 		++aExpected;
 
   813 		++aExpected;
 
   820 		--aNumExpected;
 
   814 		--aNumExpected;
 
   821 		}
 
   815 		}
 
   823 
   817 
   824 /**
 
   818 /**
 
   825 Tests that RTmGraphemeEdgeIterator::FindEdge finds the edges in the layout with
 
   819 Tests that RTmGraphemeEdgeIterator::FindEdge finds the edges in the layout with
 
   826 specifications of directionality.
 
   820 specifications of directionality.
 
   827 */
 
   821 */
 
   828 void TestLayoutFindEdgesByDirectionality(TInt aLine,
 
   822 void TestLayoutFindEdgesByDirectionality(RTest& aTest, TInt aLine,
 
   829 	CTestTmTextLayout& aLayout,
 
   823 	CTestTmTextLayout& aLayout,
 
   830 	const TEdge* aExpected, TInt aNumExpected)
 
   824 	const TEdge* aExpected, TInt aNumExpected)
 
   831 	{
 
   825 	{
 
   832 	TInt lineStart;
 
   826 	TInt lineStart;
 
   833 	TInt lineEnd;
 
   827 	TInt lineEnd;
 
   840 		TBool rToLFound = FindEdgeFromLayout(aLayout, aLine, rToLPosSpec, rToLPosInfo);
 
   834 		TBool rToLFound = FindEdgeFromLayout(aLayout, aLine, rToLPosSpec, rToLPosInfo);
 
   841 		TTmDocPosSpec lToRPosSpec(pos, TTmDocPosSpec::ELeftToRight);
 
   835 		TTmDocPosSpec lToRPosSpec(pos, TTmDocPosSpec::ELeftToRight);
 
   842 		TBool lToRFound = FindEdgeFromLayout(aLayout, aLine, lToRPosSpec, lToRPosInfo);
 
   836 		TBool lToRFound = FindEdgeFromLayout(aLayout, aLine, lToRPosSpec, lToRPosInfo);
 
   843 		if (!lToRFound)
 
   837 		if (!lToRFound)
 
   844 			{
 
   838 			{
 
   845             TESTPOINT(!rToLFound);
 
   839 			aTest(!rToLFound);
 
   846             TESTPOINT(pos < lineStart || lineEnd <= pos);
 
   840 			aTest(pos < lineStart || lineEnd <= pos);
 
   847 			}
 
   841 			}
 
   848 		else
 
   842 		else
 
   849 			{
 
   843 			{
 
   850             TESTPOINT(rToLFound);
 
   844 			aTest(rToLFound);
 
   851 			TestEdgeExists(rToLPosInfo, aExpected, aNumExpected);
 
   845 			TestEdgeExists(aTest, rToLPosInfo, aExpected, aNumExpected);
 
   852 			TestEdgeExists(lToRPosInfo, aExpected, aNumExpected);
 
   846 			TestEdgeExists(aTest, lToRPosInfo, aExpected, aNumExpected);
 
   853 			// Now find the nearest edges in the expected range
 
   847 			// Now find the nearest edges in the expected range
 
   854 			TTmDocPosSpec trailingPosSpec(pos, TTmDocPosSpec::ETrailing);
 
   848 			TTmDocPosSpec trailingPosSpec(pos, TTmDocPosSpec::ETrailing);
 
   855 			const TEdge* trailingExpected
 
   849 			const TEdge* trailingExpected
 
   856 				= FindExpectedEdge(trailingPosSpec, aExpected, aNumExpected);
 
   850 				= FindExpectedEdge(trailingPosSpec, aExpected, aNumExpected);
 
   857 			TTmDocPosSpec leadingPosSpec(pos, TTmDocPosSpec::ELeading);
 
   851 			TTmDocPosSpec leadingPosSpec(pos, TTmDocPosSpec::ELeading);
 
   863 				leadingExpected = trailingExpected;
 
   857 				leadingExpected = trailingExpected;
 
   864 			const TEdge* rToLPosEdge
 
   858 			const TEdge* rToLPosEdge
 
   865 				= FindExpectedEdge(rToLPosInfo.iDocPos, aExpected, aNumExpected);
 
   859 				= FindExpectedEdge(rToLPosInfo.iDocPos, aExpected, aNumExpected);
 
   866 			const TEdge* lToRPosEdge
 
   860 			const TEdge* lToRPosEdge
 
   867 				= FindExpectedEdge(lToRPosInfo.iDocPos, aExpected, aNumExpected);
 
   861 				= FindExpectedEdge(lToRPosInfo.iDocPos, aExpected, aNumExpected);
 
   868 			TESTPOINT(leadingExpected != 0);
 
   862 			aTest(leadingExpected != 0);
 
   869 			TESTPOINT(trailingExpected != 0);
 
   863 			aTest(trailingExpected != 0);
 
   870 			TESTPOINT(ExpectedEdgesCoincide(leadingExpected, rToLPosEdge)
 
   864 			aTest(ExpectedEdgesCoincide(leadingExpected, rToLPosEdge)
 
   871 				|| ExpectedEdgesCoincide(trailingExpected, rToLPosEdge));
 
   865 				|| ExpectedEdgesCoincide(trailingExpected, rToLPosEdge));
 
   872 			TESTPOINT(ExpectedEdgesCoincide(leadingExpected, lToRPosEdge)
 
   866 			aTest(ExpectedEdgesCoincide(leadingExpected, lToRPosEdge)
 
   873 				|| ExpectedEdgesCoincide(trailingExpected, lToRPosEdge));
 
   867 				|| ExpectedEdgesCoincide(trailingExpected, lToRPosEdge));
 
   874 			// Also check that the "found" ones are at least as good as the
 
   868 			// Also check that the "found" ones are at least as good as the
 
   875 			// "expected" ones.
 
   869 			// "expected" ones.
 
   876 			TESTPOINT(rToLPosInfo.iRightToLeft
 
   870 			aTest(rToLPosInfo.iRightToLeft
 
   877 				|| (!leadingExpected->iRightToLeft && !trailingExpected->iRightToLeft));
 
   871 				|| (!leadingExpected->iRightToLeft && !trailingExpected->iRightToLeft));
 
   878 			TESTPOINT(!lToRPosInfo.iRightToLeft
 
   872 			aTest(!lToRPosInfo.iRightToLeft
 
   879 				|| (leadingExpected->iRightToLeft && trailingExpected->iRightToLeft));
 
   873 				|| (leadingExpected->iRightToLeft && trailingExpected->iRightToLeft));
 
   880 			}
 
   874 			}
 
   881 		}
 
   875 		}
 
   882 	}
 
   876 	}
 
   883 
   877 
   884 /**
 
   878 /**
 
   885 Tests RTmGraphemeEdgeIterator::FindEdgeRightwards or
 
   879 Tests RTmGraphemeEdgeIterator::FindEdgeRightwards or
 
   886 RTmGraphemeEdgeIterator::FindEdgeLeftwards.
 
   880 RTmGraphemeEdgeIterator::FindEdgeLeftwards.
 
   887 */
 
   881 */
 
   888 void TestLayoutFindEdgesLeftRight(TInt aLine,
 
   882 void TestLayoutFindEdgesLeftRight(RTest& aTest, TInt aLine,
 
   889 	CTestTmTextLayout& aLayout, TBool aRightwards,
 
   883 	CTestTmTextLayout& aLayout, TBool aRightwards,
 
   890 	const TEdge* aExpected, TInt aNumExpected)
 
   884 	const TEdge* aExpected, TInt aNumExpected)
 
   891 	{
 
   885 	{
 
   892 	TInt lineStart;
 
   886 	TInt lineStart;
 
   893 	TInt lineEnd;
 
   887 	TInt lineEnd;
 
   966 			interp.Close();
 
   960 			interp.Close();
 
   967 
   961 
   968 			// Does what we got match what we expect?
 
   962 			// Does what we got match what we expect?
 
   969 			if (!leadingExpected)
 
   963 			if (!leadingExpected)
 
   970 				{
 
   964 				{
 
   971                 TESTPOINT(result == RTmGraphemeEdgeIterator::ENone);
 
   965 				aTest(result == RTmGraphemeEdgeIterator::ENone);
 
   972 				}
 
   966 				}
 
   973 			else
 
   967 			else
 
   974 				{
 
   968 				{
 
   975                 TESTPOINT(result == RTmGraphemeEdgeIterator::ENearestOnly
 
   969 				aTest(result == RTmGraphemeEdgeIterator::ENearestOnly
 
   976 					|| result == RTmGraphemeEdgeIterator::ENearestAndNext);
 
   970 					|| result == RTmGraphemeEdgeIterator::ENearestAndNext);
 
   977 				TTmDocPosSpec nearestPos(nearest.iDocPos);
 
   971 				TTmDocPosSpec nearestPos(nearest.iDocPos);
 
   978 				const TEdge* nearestEdge
 
   972 				const TEdge* nearestEdge
 
   979 					= FindExpectedEdge(nearestPos, aExpected, aNumExpected);
 
   973 					= FindExpectedEdge(nearestPos, aExpected, aNumExpected);
 
   980 				TestExpectedEdge(nearest, nearestEdge);
 
   974 				TestExpectedEdge(aTest, nearest, nearestEdge);
 
   981 				const TEdge* matchingEdge = leadingExpected;
 
   975 				const TEdge* matchingEdge = leadingExpected;
 
   982 				if (posSpec.iType == TTmDocPosSpec::ELeading)
 
   976 				if (posSpec.iType == TTmDocPosSpec::ELeading)
 
   983 				    TESTPOINT(ExpectedEdgesCoincide(leadingExpected, nearestEdge));
 
   977 					aTest(ExpectedEdgesCoincide(leadingExpected, nearestEdge));
 
   984 				else if (posSpec.iType == TTmDocPosSpec::ETrailing)
 
   978 				else if (posSpec.iType == TTmDocPosSpec::ETrailing)
 
   985 					{
 
   979 					{
 
   986                     TESTPOINT(ExpectedEdgesCoincide(trailingExpected, nearestEdge));
 
   980 					aTest(ExpectedEdgesCoincide(trailingExpected, nearestEdge));
 
   987 					matchingEdge = trailingExpected;
 
   981 					matchingEdge = trailingExpected;
 
   988 					}
 
   982 					}
 
   989 				else
 
   983 				else
 
   990 					{
 
   984 					{
 
   991                     TESTPOINT(ExpectedEdgesCoincide(leadingExpected, nearestEdge)
 
   985 					aTest(ExpectedEdgesCoincide(leadingExpected, nearestEdge)
 
   992 						|| ExpectedEdgesCoincide(trailingExpected, nearestEdge));
 
   986 						|| ExpectedEdgesCoincide(trailingExpected, nearestEdge));
 
   993 					if (ExpectedEdgesCoincide(trailingExpected, nearestEdge))
 
   987 					if (ExpectedEdgesCoincide(trailingExpected, nearestEdge))
 
   994 						matchingEdge = trailingExpected;
 
   988 						matchingEdge = trailingExpected;
 
   995 					TBool directionalitiesMatch = leadingExpected->iRightToLeft?
 
   989 					TBool directionalitiesMatch = leadingExpected->iRightToLeft?
 
   996 						trailingExpected->iRightToLeft : !trailingExpected->iRightToLeft;
 
   990 						trailingExpected->iRightToLeft : !trailingExpected->iRightToLeft;
 
   997 					TBool foundCorrectDirectionality
 
   991 					TBool foundCorrectDirectionality
 
   998 						= posSpec.iType == TTmDocPosSpec::ERightToLeft?
 
   992 						= posSpec.iType == TTmDocPosSpec::ERightToLeft?
 
   999 							nearest.iRightToLeft : !nearest.iRightToLeft;
 
   993 							nearest.iRightToLeft : !nearest.iRightToLeft;
 
  1000 					TESTPOINT(foundCorrectDirectionality || directionalitiesMatch);
 
   994 					aTest(foundCorrectDirectionality || directionalitiesMatch);
 
  1001 					}
 
   995 					}
 
  1002 
   996 
  1003 				// Find next edge in expected list
 
   997 				// Find next edge in expected list
 
  1004 				const TEdge* e = matchingEdge;
 
   998 				const TEdge* e = matchingEdge;
 
  1005 				const TEdge* end = aRightwards?
 
   999 				const TEdge* end = aRightwards?
 
  1012 					if (!ExpectedEdgesCoincide(e, matchingEdge))
 
  1006 					if (!ExpectedEdgesCoincide(e, matchingEdge))
 
  1013 						nextExpected = e;
 
  1007 						nextExpected = e;
 
  1014 					}
 
  1008 					}
 
  1015 				}
 
  1009 				}
 
  1016 			if (!nextExpected)
 
  1010 			if (!nextExpected)
 
  1017 			    TESTPOINT(result == RTmGraphemeEdgeIterator::ENone
 
  1011 				aTest(result == RTmGraphemeEdgeIterator::ENone
 
  1018 					|| result == RTmGraphemeEdgeIterator::ENearestOnly);
 
  1012 					|| result == RTmGraphemeEdgeIterator::ENearestOnly);
 
  1019 			else
 
  1013 			else
 
  1020 				{
 
  1014 				{
 
  1021                 TESTPOINT(result == RTmGraphemeEdgeIterator::ENearestAndNext);
 
  1015 				aTest(result == RTmGraphemeEdgeIterator::ENearestAndNext);
 
  1022 				TestVisualPositionExists(next, aExpected, aNumExpected);
 
  1016 				TestVisualPositionExists(aTest, next, aExpected, aNumExpected);
 
  1023 				TESTPOINT(next.Ambiguity() != TTmVisualDocPos::ENotFound);
 
  1017 				aTest(next.Ambiguity() != TTmVisualDocPos::ENotFound);
 
  1024 				TTmDocPosSpec nextPosLeft(next.LeftEdge().iDocPos);
 
  1018 				TTmDocPosSpec nextPosLeft(next.LeftEdge().iDocPos);
 
  1025 				TESTPOINT(ExpectedEdgesCoincide(nextExpected,
 
  1019 				aTest(ExpectedEdgesCoincide(nextExpected,
 
  1026 					FindExpectedEdge(nextPosLeft, aExpected, aNumExpected)));
 
  1020 					FindExpectedEdge(nextPosLeft, aExpected, aNumExpected)));
 
  1027 				TTmDocPosSpec nextPosRight(next.RightEdge().iDocPos);
 
  1021 				TTmDocPosSpec nextPosRight(next.RightEdge().iDocPos);
 
  1028 				TESTPOINT(ExpectedEdgesCoincide(nextExpected,
 
  1022 				aTest(ExpectedEdgesCoincide(nextExpected,
 
  1029 					FindExpectedEdge(nextPosRight, aExpected, aNumExpected)));
 
  1023 					FindExpectedEdge(nextPosRight, aExpected, aNumExpected)));
 
  1030 				}
 
  1024 				}
 
  1031 			it.Close();
 
  1025 			it.Close();
 
  1032 			}
 
  1026 			}
 
  1033 		}
 
  1027 		}
 
  1034 	}
 
  1028 	}
 
  1035 
  1029 
  1036 /**
 
  1030 /**
 
  1037 Tests RTmGraphemeEdgeIterator::FindEdgeRightwards.
 
  1031 Tests RTmGraphemeEdgeIterator::FindEdgeRightwards.
 
  1038 */
 
  1032 */
 
  1039 void TestLayoutFindEdgesRightwards(TInt aLine,
 
  1033 void TestLayoutFindEdgesRightwards(RTest& aTest, TInt aLine,
 
  1040 	CTestTmTextLayout& aLayout,
 
  1034 	CTestTmTextLayout& aLayout,
 
  1041 	const TEdge* aExpected, TInt aNumExpected)
 
  1035 	const TEdge* aExpected, TInt aNumExpected)
 
  1042 	{
 
  1036 	{
 
  1043 	TestLayoutFindEdgesLeftRight(aLine, aLayout, ETrue,
 
  1037 	TestLayoutFindEdgesLeftRight(aTest, aLine, aLayout, ETrue,
 
  1044 		aExpected, aNumExpected);
 
  1038 		aExpected, aNumExpected);
 
  1045 	}
 
  1039 	}
 
  1046 
  1040 
  1047 /**
 
  1041 /**
 
  1048 Tests RTmGraphemeEdgeIterator::FindEdgeLeftwards.
 
  1042 Tests RTmGraphemeEdgeIterator::FindEdgeLeftwards.
 
  1049 */
 
  1043 */
 
  1050 void TestLayoutFindEdgesLeftwards(TInt aLine,
 
  1044 void TestLayoutFindEdgesLeftwards(RTest& aTest, TInt aLine,
 
  1051 	CTestTmTextLayout& aLayout,
 
  1045 	CTestTmTextLayout& aLayout,
 
  1052 	const TEdge* aExpected, TInt aNumExpected)
 
  1046 	const TEdge* aExpected, TInt aNumExpected)
 
  1053 	{
 
  1047 	{
 
  1054 	TestLayoutFindEdgesLeftRight(aLine, aLayout, EFalse,
 
  1048 	TestLayoutFindEdgesLeftRight(aTest, aLine, aLayout, EFalse,
 
  1055 		aExpected, aNumExpected);
 
  1049 		aExpected, aNumExpected);
 
  1056 	}
 
  1050 	}
 
  1057 
  1051 
  1058 /**
 
  1052 /**
 
  1059 Tests RTmGraphemeEdgeIterator::NextPosition. Expected behaviour is to find the
 
  1053 Tests RTmGraphemeEdgeIterator::NextPosition. Expected behaviour is to find the
 
  1060 smallest number 'n' that is a position in the same line greater than the input 'i',
 
  1054 smallest number 'n' that is a position in the same line greater than the input 'i',
 
  1061 where the positions <i, leading> and <n, trailing> are not coincident.
 
  1055 where the positions <i, leading> and <n, trailing> are not coincident.
 
  1062 */
 
  1056 */
 
  1063 void TestLayoutFindEdgesForwards(TInt aLine,
 
  1057 void TestLayoutFindEdgesForwards(RTest& aTest, TInt aLine,
 
  1064 	CTestTmTextLayout& aLayout,
 
  1058 	CTestTmTextLayout& aLayout,
 
  1065 	const TEdge* aExpected, TInt aNumExpected)
 
  1059 	const TEdge* aExpected, TInt aNumExpected)
 
  1066 	{
 
  1060 	{
 
  1067 	TInt lineStart;
 
  1061 	TInt lineStart;
 
  1068 	TInt lineEnd;
 
  1062 	TInt lineEnd;
 
  1087 				aExpected, aNumExpected);
 
  1081 				aExpected, aNumExpected);
 
  1088 			TTmDocPosSpec out(result, TTmDocPosSpec::ETrailing);
 
  1082 			TTmDocPosSpec out(result, TTmDocPosSpec::ETrailing);
 
  1089 			const TEdge* outEdge = FindExpectedEdge(out,
 
  1083 			const TEdge* outEdge = FindExpectedEdge(out,
 
  1090 				aExpected, aNumExpected);
 
  1084 				aExpected, aNumExpected);
 
  1091 			// ...and test that we failed.
 
  1085 			// ...and test that we failed.
 
  1092 			TESTPOINT(!inEdge || inEdge->iPos <= i);
 
  1086 			aTest(!inEdge || inEdge->iPos <= i);
 
  1093 			TESTPOINT(!outEdge || outEdge->iPos <= i);
 
  1087 			aTest(!outEdge || outEdge->iPos <= i);
 
  1094 			}
 
  1088 			}
 
  1095 		else
 
  1089 		else
 
  1096 			{
 
  1090 			{
 
  1097             TESTPOINT(i < result);
 
  1091 			aTest(i < result);
 
  1098 			TTmDocPosSpec in(i, TTmDocPosSpec::ELeading);
 
  1092 			TTmDocPosSpec in(i, TTmDocPosSpec::ELeading);
 
  1099 			const TEdge* inEdge = FindExpectedEdge(in,
 
  1093 			const TEdge* inEdge = FindExpectedEdge(in,
 
  1100 				aExpected, aNumExpected);
 
  1094 				aExpected, aNumExpected);
 
  1101 			TTmDocPosSpec out(result, TTmDocPosSpec::ETrailing);
 
  1095 			TTmDocPosSpec out(result, TTmDocPosSpec::ETrailing);
 
  1102 			const TEdge* outEdge = FindExpectedEdge(out,
 
  1096 			const TEdge* outEdge = FindExpectedEdge(out,
 
  1103 				aExpected, aNumExpected);
 
  1097 				aExpected, aNumExpected);
 
  1104 			TESTPOINT(outEdge != 0);
 
  1098 			aTest(outEdge != 0);
 
  1105 			if (inEdge)
 
  1099 			if (inEdge)
 
  1106 				{
 
  1100 				{
 
  1107                 TESTPOINT(lineStart <= i);
 
  1101 				aTest(lineStart <= i);
 
  1108                 TESTPOINT(!ExpectedEdgesCoincide(inEdge, outEdge));
 
  1102 				aTest(!ExpectedEdgesCoincide(inEdge, outEdge));
 
  1109 				for (TInt j = i + 1; j != result; ++j)
 
  1103 				for (TInt j = i + 1; j != result; ++j)
 
  1110 					{
 
  1104 					{
 
  1111 					TTmDocPosSpec between(j, TTmDocPosSpec::ETrailing);
 
  1105 					TTmDocPosSpec between(j, TTmDocPosSpec::ETrailing);
 
  1112 					const TEdge* betweenEdge = FindExpectedEdge(between,
 
  1106 					const TEdge* betweenEdge = FindExpectedEdge(between,
 
  1113 						aExpected, aNumExpected);
 
  1107 						aExpected, aNumExpected);
 
  1114 					TESTPOINT(betweenEdge != 0);
 
  1108 					aTest(betweenEdge != 0);
 
  1115 					// Test that, if there actually is a <j, trailing> edge, it is
 
  1109 					// Test that, if there actually is a <j, trailing> edge, it is
 
  1116 					// coincident with <i, leading>. If the edge does not exist
 
  1110 					// coincident with <i, leading>. If the edge does not exist
 
  1117 					// it does not matter. We can find out if it exists by checking
 
  1111 					// it does not matter. We can find out if it exists by checking
 
  1118 					// whether the returned expected edge has the same position
 
  1112 					// whether the returned expected edge has the same position
 
  1119 					// we asked for.
 
  1113 					// we asked for.
 
  1120 					TESTPOINT(ExpectedEdgesCoincide(inEdge, betweenEdge)
 
  1114 					aTest(ExpectedEdgesCoincide(inEdge, betweenEdge)
 
  1121 						|| j != betweenEdge->iPos);
 
  1115 						|| j != betweenEdge->iPos);
 
  1122 					}
 
  1116 					}
 
  1123 				}
 
  1117 				}
 
  1124 			else
 
  1118 			else
 
  1125 				{
 
  1119 				{
 
  1126 				// before the start means finding the first trailing edge
 
  1120 				// before the start means finding the first trailing edge
 
  1127 				TESTPOINT (i < lineStart);
 
  1121 				aTest (i < lineStart);
 
  1128 				TInt leastTrailingEdge = KMaxTInt;
 
  1122 				TInt leastTrailingEdge = KMaxTInt;
 
  1129 				for (const TEdge* e = aExpected; e != aExpected + aNumExpected;
 
  1123 				for (const TEdge* e = aExpected; e != aExpected + aNumExpected;
 
  1130 					++e)
 
  1124 					++e)
 
  1131 					{
 
  1125 					{
 
  1132 					if (!e->iLeading && e->iPos < leastTrailingEdge)
 
  1126 					if (!e->iLeading && e->iPos < leastTrailingEdge)
 
  1133 						leastTrailingEdge = e->iPos;
 
  1127 						leastTrailingEdge = e->iPos;
 
  1134 					}
 
  1128 					}
 
  1135 				TESTPOINT(leastTrailingEdge == result);
 
  1129 				aTest(leastTrailingEdge == result);
 
  1136 				}
 
  1130 				}
 
  1137 			}
 
  1131 			}
 
  1138 		it.Close();
 
  1132 		it.Close();
 
  1139 		}
 
  1133 		}
 
  1140 	}
 
  1134 	}
 
  1142 /**
 
  1136 /**
 
  1143 Tests RTmGraphemeEdgeIterator::PreviousPosition. Expected behaviour is to find the
 
  1137 Tests RTmGraphemeEdgeIterator::PreviousPosition. Expected behaviour is to find the
 
  1144 largest number 'n' that is a position in the same line smaller than the input 'i',
 
  1138 largest number 'n' that is a position in the same line smaller than the input 'i',
 
  1145 where the positions <i, trailing> and <n, leading> are not coincident.
 
  1139 where the positions <i, trailing> and <n, leading> are not coincident.
 
  1146 */
 
  1140 */
 
  1147 void TestLayoutFindEdgesBackwards(TInt aLine,
 
  1141 void TestLayoutFindEdgesBackwards(RTest& aTest, TInt aLine,
 
  1148 	CTestTmTextLayout& aLayout,
 
  1142 	CTestTmTextLayout& aLayout,
 
  1149 	const TEdge* aExpected, TInt aNumExpected)
 
  1143 	const TEdge* aExpected, TInt aNumExpected)
 
  1150 	{
 
  1144 	{
 
  1151 	TInt lineStart;
 
  1145 	TInt lineStart;
 
  1152 	TInt lineEnd;
 
  1146 	TInt lineEnd;
 
  1165 		if (result == KErrNotFound)
 
  1159 		if (result == KErrNotFound)
 
  1166 			{
 
  1160 			{
 
  1167 			// Must be at or before the line's beginning.
 
  1161 			// Must be at or before the line's beginning.
 
  1168 			// Could possibly be that there are no leading edges in the line, but
 
  1162 			// Could possibly be that there are no leading edges in the line, but
 
  1169 			// we'll ignore that possibility.
 
  1163 			// we'll ignore that possibility.
 
  1170 			TESTPOINT(i <= lineStart);
 
  1164 			aTest(i <= lineStart);
 
  1171 			}
 
  1165 			}
 
  1172 		else
 
  1166 		else
 
  1173 			{
 
  1167 			{
 
  1174 			TESTPOINT(result < i);
 
  1168 			aTest(result < i);
 
  1175 			TTmDocPosSpec out(result, TTmDocPosSpec::ELeading);
 
  1169 			TTmDocPosSpec out(result, TTmDocPosSpec::ELeading);
 
  1176 			const TEdge* outEdge = FindExpectedEdge(out,
 
  1170 			const TEdge* outEdge = FindExpectedEdge(out,
 
  1177 				aExpected, aNumExpected);
 
  1171 				aExpected, aNumExpected);
 
  1178 			TESTPOINT(outEdge != 0);
 
  1172 			aTest(outEdge != 0);
 
  1179 			TTmDocPosSpec in(i, TTmDocPosSpec::ETrailing);
 
  1173 			TTmDocPosSpec in(i, TTmDocPosSpec::ETrailing);
 
  1180 			const TEdge* inEdge = FindExpectedEdge(in,
 
  1174 			const TEdge* inEdge = FindExpectedEdge(in,
 
  1181 				aExpected, aNumExpected);
 
  1175 				aExpected, aNumExpected);
 
  1182 			// if we could not find a trailing edge at this number, then we
 
  1176 			// if we could not find a trailing edge at this number, then we
 
  1183 			// were beyond the end of the line.
 
  1177 			// were beyond the end of the line.
 
  1184 			if (inEdge && !inEdge->iLeading)
 
  1178 			if (inEdge && !inEdge->iLeading)
 
  1185 				{
 
  1179 				{
 
  1186 				TESTPOINT(inEdge != 0);
 
  1180 				aTest(inEdge != 0);
 
  1187 				TESTPOINT(!ExpectedEdgesCoincide(inEdge, outEdge));
 
  1181 				aTest(!ExpectedEdgesCoincide(inEdge, outEdge));
 
  1188 				for (TInt j = result + 1; j != i; ++j)
 
  1182 				for (TInt j = result + 1; j != i; ++j)
 
  1189 					{
 
  1183 					{
 
  1190 					TTmDocPosSpec between(j, TTmDocPosSpec::ELeading);
 
  1184 					TTmDocPosSpec between(j, TTmDocPosSpec::ELeading);
 
  1191 					const TEdge* betweenEdge = FindExpectedEdge(between,
 
  1185 					const TEdge* betweenEdge = FindExpectedEdge(between,
 
  1192 						aExpected, aNumExpected);
 
  1186 						aExpected, aNumExpected);
 
  1193 					TESTPOINT(betweenEdge != 0);
 
  1187 					aTest(betweenEdge != 0);
 
  1194 					// Test that, if there actually is a <j, trailing> edge, it is
 
  1188 					// Test that, if there actually is a <j, trailing> edge, it is
 
  1195 					// coincident with <i, leading>. If the edge does not exist
 
  1189 					// coincident with <i, leading>. If the edge does not exist
 
  1196 					// it does not matter. We can find out if it exists by checking
 
  1190 					// it does not matter. We can find out if it exists by checking
 
  1197 					// whether the returned expected edge has the same position
 
  1191 					// whether the returned expected edge has the same position
 
  1198 					// we asked for.
 
  1192 					// we asked for.
 
  1199 					TESTPOINT(ExpectedEdgesCoincide(inEdge, betweenEdge)
 
  1193 					aTest(ExpectedEdgesCoincide(inEdge, betweenEdge)
 
  1200 						|| j != betweenEdge->iPos);
 
  1194 						|| j != betweenEdge->iPos);
 
  1201 					}
 
  1195 					}
 
  1202 				}
 
  1196 				}
 
  1203 			else
 
  1197 			else
 
  1204 				{
 
  1198 				{
 
  1208 					++e)
 
  1202 					++e)
 
  1209 					{
 
  1203 					{
 
  1210 					if (e->iLeading && greatestLeadingEdge < e->iPos)
 
  1204 					if (e->iLeading && greatestLeadingEdge < e->iPos)
 
  1211 						greatestLeadingEdge = e->iPos;
 
  1205 						greatestLeadingEdge = e->iPos;
 
  1212 					}
 
  1206 					}
 
  1213 				TESTPOINT(greatestLeadingEdge == result);
 
  1207 				aTest(greatestLeadingEdge == result);
 
  1214 				}
 
  1208 				}
 
  1215 			}
 
  1209 			}
 
  1216 		it.Close();
 
  1210 		it.Close();
 
  1217 		}
 
  1211 		}
 
  1218 	}
 
  1212 	}
 
  1219 
  1213 
  1220 typedef void FTestLine(TInt aLine,
 
  1214 typedef void FTestLine(RTest& aTest, TInt aLine,
 
  1221 	CTestTmTextLayout& aLayout,
 
  1215 	CTestTmTextLayout& aLayout,
 
  1222 	const TEdge* aExpected, TInt aNumExpected);
 
  1216 	const TEdge* aExpected, TInt aNumExpected);
 
  1223 
  1217 
  1224 /**
 
  1218 /**
 
  1225 Runs a particular test for each line in the input data.
 
  1219 Runs a particular test for each line in the input data.
 
  1226 */
 
  1220 */
 
  1227 void TestEachLine(FTestLine* aFn,
 
  1221 void TestEachLine(RTest& aTest, FTestLine* aFn,
 
  1228 	CTestTmTextLayout& aLayout, const TEdge* aExpected, TInt aNumExpected)
 
  1222 	CTestTmTextLayout& aLayout, const TEdge* aExpected, TInt aNumExpected)
 
  1229 	{
 
  1223 	{
 
  1230 	TInt line = 0;
 
  1224 	TInt line = 0;
 
  1231 	TInt start = 0;
 
  1225 	TInt start = 0;
 
  1232 	for (TInt end = 1; end != aNumExpected; ++end)
 
  1226 	for (TInt end = 1; end != aNumExpected; ++end)
 
  1233 		{
 
  1227 		{
 
  1234 		if (aExpected[end - 1].iNext == EEdgeNewline)
 
  1228 		if (aExpected[end - 1].iNext == EEdgeNewline)
 
  1235 			{
 
  1229 			{
 
  1236 			aFn(line, aLayout, aExpected + start, end - start);
 
  1230 			aFn(aTest, line, aLayout, aExpected + start, end - start);
 
  1237 			start = end;
 
  1231 			start = end;
 
  1238 			++line;
 
  1232 			++line;
 
  1239 			}
 
  1233 			}
 
  1240 		}
 
  1234 		}
 
  1241 	}
 
  1235 	}
 
  1242 
  1236 
  1243 /**
 
  1237 /**
 
  1244 Tests TTmGraphemeIterator and supporting functionality for the specified
 
  1238 Tests TTmGraphemeIterator and supporting functionality for the specified
 
  1245 layout.
 
  1239 layout.
 
  1246 */
 
  1240 */
 
  1247 void TestLayoutL(CTestTmTextLayout& aLayout,
 
  1241 void TestLayoutL(RTest& aTest, CTestTmTextLayout& aLayout,
 
  1248 	const TEdge* aExpected, TInt aNumExpected)
 
  1242 	const TEdge* aExpected, TInt aNumExpected)
 
  1249 	{
 
  1243 	{
 
  1250 	TESTPRINT(_L("Simple iteration"));
 
  1244 	aTest.Start(_L("Simple iteration"));
 
  1251 	TestLayoutSimplePass(aLayout, aExpected, aNumExpected);
 
  1245 	TestLayoutSimplePass(aTest, aLayout, aExpected, aNumExpected);
 
  1252 	TESTPRINT(_L("FindXPos"));
 
  1246 	aTest.Next(_L("FindXPos"));
 
  1253 	TestEachLine(TestLayoutFindXPos,
 
  1247 	TestEachLine(aTest, TestLayoutFindXPos,
 
  1254 		aLayout, aExpected, aNumExpected);
 
  1248 		aLayout, aExpected, aNumExpected);
 
  1255 	TESTPRINT(_L("FindXPos (unambiguous edges)"));
 
  1249 	aTest.Next(_L("FindXPos (unambiguous edges)"));
 
  1256 	TestEachLine(TestLayoutFindXPosEdges,
 
  1250 	TestEachLine(aTest, TestLayoutFindXPosEdges,
 
  1257 		aLayout, aExpected, aNumExpected);
 
  1251 		aLayout, aExpected, aNumExpected);
 
  1258 	TESTPRINT(_L("FindEdge"));
 
  1252 	aTest.Next(_L("FindEdge"));
 
  1259 	TestEachLine(TestLayoutFindEdgesInVisualOrder,
 
  1253 	TestEachLine(aTest, TestLayoutFindEdgesInVisualOrder,
 
  1260 		aLayout, aExpected, aNumExpected);
 
  1254 		aLayout, aExpected, aNumExpected);
 
  1261 	TestEachLine(TestLayoutFindEdgesByDirectionality,
 
  1255 	TestEachLine(aTest, TestLayoutFindEdgesByDirectionality,
 
  1262 		aLayout, aExpected, aNumExpected);
 
  1256 		aLayout, aExpected, aNumExpected);
 
  1263 	TESTPRINT(_L("FindEdgeRightwards"));
 
  1257 	aTest.Next(_L("FindEdgeRightwards"));
 
  1264 	TestEachLine(TestLayoutFindEdgesRightwards,
 
  1258 	TestEachLine(aTest, TestLayoutFindEdgesRightwards,
 
  1265 		aLayout, aExpected, aNumExpected);
 
  1259 		aLayout, aExpected, aNumExpected);
 
  1266 	TESTPRINT(_L("FindEdgeLeftwards"));
 
  1260 	aTest.Next(_L("FindEdgeLeftwards"));
 
  1267 	TestEachLine(TestLayoutFindEdgesLeftwards,
 
  1261 	TestEachLine(aTest, TestLayoutFindEdgesLeftwards,
 
  1268 		aLayout, aExpected, aNumExpected);
 
  1262 		aLayout, aExpected, aNumExpected);
 
  1269 	TESTPRINT(_L("NextPosition"));
 
  1263 	aTest.Next(_L("NextPosition"));
 
  1270 	TestEachLine(TestLayoutFindEdgesForwards,
 
  1264 	TestEachLine(aTest, TestLayoutFindEdgesForwards,
 
  1271 		aLayout, aExpected, aNumExpected);
 
  1265 		aLayout, aExpected, aNumExpected);
 
  1272 	TESTPRINT(_L("PreviousPosition"));
 
  1266 	aTest.Next(_L("PreviousPosition"));
 
  1273 	TestEachLine(TestLayoutFindEdgesBackwards,
 
  1267 	TestEachLine(aTest, TestLayoutFindEdgesBackwards,
 
  1274 		aLayout, aExpected, aNumExpected);
 
  1268 		aLayout, aExpected, aNumExpected);
 
       
  1269 	aTest.End();
 
  1275 	}
 
  1270 	}
 
  1276 
  1271 
  1277 /**
 
  1272 /**
 
  1278 Tests TTmGraphemeIterator and supporting functionality for each piece of text.
 
  1273 Tests TTmGraphemeIterator and supporting functionality for each piece of text.
 
  1279 */
 
  1274 */
 
  1280 TVerdict CTGraphemeIteratorStep::doTestStepL()
 
  1275 void RunTestsL(RTest& aTest)
 
  1281 	{
 
  1276 	{
 
  1282     SetTestStepResult(EPass);
 
  1277 	aTest.Start(_L(" @SYMTestCaseID:SYSLIB-FORM-LEGACY-GRAPHEMEITERATOR-0001 DocPosMatches "));
 
  1283     TestStep = this;
 
  1278 	TestDocPosMatches(aTest);
 
  1284     TESTPRINT(_L("RTmGraphemeEdgeIterator unit"));
 
  1279 	aTest.Next(_L("Simple Latin"));
 
  1285     
       
  1286     TESTPRINT(_L(" @SYMTestCaseID:SYSLIB-FORM-LEGACY-GRAPHEMEITERATOR-0001 DocPosMatches "));
 
       
  1287 	TestDocPosMatches();
 
       
  1288 	TESTPRINT(_L("Simple Latin"));
 
       
  1289 	CTestTmTextLayout* latin1 = CTestTmTextLayout::NewLC(
 
  1280 	CTestTmTextLayout* latin1 = CTestTmTextLayout::NewLC(
 
  1290 		KLatin1, 100, Transliterate);
 
  1281 		KLatin1, 100, Transliterate);
 
  1291 	TestLayoutL( *latin1, KLatin1Edges,
 
  1282 	TestLayoutL(aTest, *latin1, KLatin1Edges,
 
  1292 		sizeof(KLatin1Edges)/sizeof(KLatin1Edges[0]));
 
  1283 		sizeof(KLatin1Edges)/sizeof(KLatin1Edges[0]));
 
  1293 	CleanupStack::PopAndDestroy(latin1);
 
  1284 	CleanupStack::PopAndDestroy(latin1);
 
  1294 
  1285 
  1295 	TESTPRINT(_L("Simple Arabic"));
 
  1286 	aTest.Next(_L("Simple Arabic"));
 
  1296 	CTestTmTextLayout* arabic1 = CTestTmTextLayout::NewLC(
 
  1287 	CTestTmTextLayout* arabic1 = CTestTmTextLayout::NewLC(
 
  1297 		KArabic1, 100, Transliterate);
 
  1288 		KArabic1, 100, Transliterate);
 
  1298 	TestLayoutL(*arabic1, KArabic1Edges,
 
  1289 	TestLayoutL(aTest, *arabic1, KArabic1Edges,
 
  1299 		sizeof(KArabic1Edges)/sizeof(KArabic1Edges[0]));
 
  1290 		sizeof(KArabic1Edges)/sizeof(KArabic1Edges[0]));
 
  1300 	CleanupStack::PopAndDestroy(arabic1);
 
  1291 	CleanupStack::PopAndDestroy(arabic1);
 
  1301 
  1292 
  1302 	TESTPRINT(_L("Latin with combining marks and zero width characters"));
 
  1293 	aTest.Next(_L("Latin with combining marks and zero width characters"));
 
  1303 	CTestTmTextLayout* combiners1 = CTestTmTextLayout::NewLC(
 
  1294 	CTestTmTextLayout* combiners1 = CTestTmTextLayout::NewLC(
 
  1304 		KCombiners1, 20, Transliterate);
 
  1295 		KCombiners1, 20, Transliterate);
 
  1305 	TestLayoutL(*combiners1, KCombiners1Edges,
 
  1296 	TestLayoutL(aTest, *combiners1, KCombiners1Edges,
 
  1306 		sizeof(KCombiners1Edges)/sizeof(KCombiners1Edges[0]));
 
  1297 		sizeof(KCombiners1Edges)/sizeof(KCombiners1Edges[0]));
 
  1307 	CleanupStack::PopAndDestroy(combiners1);
 
  1298 	CleanupStack::PopAndDestroy(combiners1);
 
  1308 
  1299 
  1309 	TESTPRINT(_L("Bidirectional text with combining marks"));
 
  1300 	aTest.Next(_L("Bidirectional text with combining marks"));
 
  1310 	CTestTmTextLayout* bidi1 = CTestTmTextLayout::NewLC(
 
  1301 	CTestTmTextLayout* bidi1 = CTestTmTextLayout::NewLC(
 
  1311 		KBidi1, 60, Transliterate);
 
  1302 		KBidi1, 60, Transliterate);
 
  1312 	TestLayoutL( *bidi1, KBidi1Edges,
 
  1303 	TestLayoutL(aTest, *bidi1, KBidi1Edges,
 
  1313 		sizeof(KBidi1Edges)/sizeof(KBidi1Edges[0]));
 
  1304 		sizeof(KBidi1Edges)/sizeof(KBidi1Edges[0]));
 
  1314 	CleanupStack::PopAndDestroy(bidi1);
 
  1305 	CleanupStack::PopAndDestroy(bidi1);
 
  1315 
  1306 
  1316 	TESTPRINT(_L("Bidirectional text with combining marks and 'amtriguity'"));
 
  1307 	aTest.Next(_L("Bidirectional text with combining marks and 'amtriguity'"));
 
  1317 	CTestTmTextLayout* bidi2 = CTestTmTextLayout::NewLC(
 
  1308 	CTestTmTextLayout* bidi2 = CTestTmTextLayout::NewLC(
 
  1318 		KBidi2, 60, Transliterate);
 
  1309 		KBidi2, 60, Transliterate);
 
  1319 	TestLayoutL(*bidi2, KBidi2Edges,
 
  1310 	TestLayoutL(aTest, *bidi2, KBidi2Edges,
 
  1320 		sizeof(KBidi2Edges)/sizeof(KBidi2Edges[0]));
 
  1311 		sizeof(KBidi2Edges)/sizeof(KBidi2Edges[0]));
 
  1321 	CleanupStack::PopAndDestroy(bidi2);
 
  1312 	CleanupStack::PopAndDestroy(bidi2);
 
  1322 
  1313 
  1323 	TESTPRINT(_L("Small paragraphs of alternating directionality"));
 
  1314 	aTest.Next(_L("Small paragraphs of alternating directionality"));
 
  1324 	CTestTmTextLayout* paragraphs1 = CTestTmTextLayout::NewLC(
 
  1315 	CTestTmTextLayout* paragraphs1 = CTestTmTextLayout::NewLC(
 
  1325 		KParagraphs1, 20, Transliterate);
 
  1316 		KParagraphs1, 20, Transliterate);
 
  1326 	TestLayoutL(*paragraphs1, KParagraphs1Edges,
 
  1317 	TestLayoutL(aTest, *paragraphs1, KParagraphs1Edges,
 
  1327 		sizeof(KParagraphs1Edges)/sizeof(KParagraphs1Edges[0]));
 
  1318 		sizeof(KParagraphs1Edges)/sizeof(KParagraphs1Edges[0]));
 
  1328 	CleanupStack::PopAndDestroy(paragraphs1);
 
  1319 	CleanupStack::PopAndDestroy(paragraphs1);
 
  1329 
  1320 
  1330 	TESTPRINT(_L("Lines ending over or next to embedded runs"));
 
  1321 	aTest.Next(_L("Lines ending over or next to embedded runs"));
 
  1331 	CTestTmTextLayout* embedded1 = CTestTmTextLayout::NewLC(
 
  1322 	CTestTmTextLayout* embedded1 = CTestTmTextLayout::NewLC(
 
  1332 		KEmbedded1, 20, Transliterate);
 
  1323 		KEmbedded1, 20, Transliterate);
 
  1333 	TestLayoutL( *embedded1, KEmbedded1Edges,
 
  1324 	TestLayoutL(aTest, *embedded1, KEmbedded1Edges,
 
  1334 		sizeof(KEmbedded1Edges)/sizeof(KEmbedded1Edges[0]));
 
  1325 		sizeof(KEmbedded1Edges)/sizeof(KEmbedded1Edges[0]));
 
  1335 	CleanupStack::PopAndDestroy(embedded1);
 
  1326 	CleanupStack::PopAndDestroy(embedded1);
 
  1336 
  1327 
  1337 	return TestStepResult();
 
  1328 	aTest.End();
 
  1338 	}
 
  1329 	}
 
  1339 
  1330 
       
  1331 /**
 
       
  1332 Tests TTmGraphemeIterator and supporting functionality.
 
       
  1333 */
 
       
  1334 TInt E32Main()
 
       
  1335 	{
 
       
  1336 	RTest rtest(_L("RTmGraphemeEdgeIterator unit"));
 
       
  1337 	CTrapCleanup* TrapCleanup = CTrapCleanup::New();
 
       
  1338 	rtest.Title();
 
       
  1339 	TRAPD(err, RunTestsL(rtest));
 
       
  1340 	rtest.Close();
 
       
  1341 	delete TrapCleanup;
 
       
  1342 	return err;
 
       
  1343 	}
 
       
  1344
MCL/sf/os/textandloc