File indexing completed on 2024-10-06 12:24:12

0001 /*
0002     This file is part of the KDE libraries
0003     SPDX-FileCopyrightText: 2011-2018 Dominik Haumann <dhaumann@kde.org>
0004 
0005     SPDX-License-Identifier: LGPL-2.0-or-later
0006 */
0007 
0008 #include "modificationsystem_test.h"
0009 #include "moc_modificationsystem_test.cpp"
0010 
0011 #include <katedocument.h>
0012 #include <kateglobal.h>
0013 #include <kateundomanager.h>
0014 
0015 #include <QtTestWidgets>
0016 
0017 QTEST_MAIN(ModificationSystemTest)
0018 
0019 using namespace KTextEditor;
0020 
0021 void ModificationSystemTest::initTestCase()
0022 {
0023     KTextEditor::EditorPrivate::enableUnitTestMode();
0024 }
0025 
0026 void ModificationSystemTest::cleanupTestCase()
0027 {
0028 }
0029 
0030 static void clearModificationFlags(KTextEditor::DocumentPrivate *doc)
0031 {
0032     for (int i = 0; i < doc->lines(); ++i) {
0033         Kate::TextLine line = doc->plainKateTextLine(i);
0034         line->markAsModified(false);
0035         line->markAsSavedOnDisk(false);
0036     }
0037 }
0038 
0039 static void markModifiedLinesAsSaved(KTextEditor::DocumentPrivate *doc)
0040 {
0041     for (int i = 0; i < doc->lines(); ++i) {
0042         Kate::TextLine textLine = doc->plainKateTextLine(i);
0043         if (textLine->markedAsModified()) {
0044             textLine->markAsSavedOnDisk(true);
0045         }
0046     }
0047 }
0048 
0049 void ModificationSystemTest::testInsertText()
0050 {
0051     KTextEditor::DocumentPrivate doc;
0052 
0053     const QString content("first line\n");
0054     doc.setText(content);
0055 
0056     // now all lines should have state "Modified"
0057     QVERIFY(doc.isLineModified(0));
0058     QVERIFY(!doc.isLineSaved(0));
0059 
0060     // clear all modification flags, forces no flags
0061     doc.setModified(false);
0062     doc.undoManager()->updateLineModifications();
0063     clearModificationFlags(&doc);
0064 
0065     QVERIFY(!doc.isLineModified(0));
0066     QVERIFY(!doc.isLineSaved(0));
0067 
0068     // now we have an a unmodified file, start real tests
0069     // insert text in line 0, then undo and redo
0070     doc.insertText(Cursor(0, 2), "_");
0071     QVERIFY(doc.isLineModified(0));
0072     QVERIFY(!doc.isLineSaved(0));
0073 
0074     doc.undo();
0075     QVERIFY(!doc.isLineModified(0));
0076     QVERIFY(doc.isLineSaved(0));
0077 
0078     doc.redo();
0079     QVERIFY(doc.isLineModified(0));
0080     QVERIFY(!doc.isLineSaved(0));
0081 
0082     //
0083     // now simulate "save", then do the undo/redo tests again
0084     //
0085     doc.setModified(false);
0086     markModifiedLinesAsSaved(&doc);
0087     doc.undoManager()->updateLineModifications();
0088 
0089     // now no line should have state "Modified"
0090     QVERIFY(!doc.isLineModified(0));
0091     QVERIFY(doc.isLineSaved(0));
0092 
0093     // undo the text insertion
0094     doc.undo();
0095     QVERIFY(doc.isLineModified(0));
0096     QVERIFY(!doc.isLineSaved(0));
0097 
0098     doc.redo();
0099     QVERIFY(!doc.isLineModified(0));
0100     QVERIFY(doc.isLineSaved(0));
0101 }
0102 
0103 void ModificationSystemTest::testRemoveText()
0104 {
0105     KTextEditor::DocumentPrivate doc;
0106 
0107     const QString content("first line\n");
0108     doc.setText(content);
0109 
0110     // now all lines should have state "Modified"
0111     QVERIFY(doc.isLineModified(0));
0112     QVERIFY(!doc.isLineSaved(0));
0113 
0114     // clear all modification flags, forces no flags
0115     doc.setModified(false);
0116     doc.undoManager()->updateLineModifications();
0117     clearModificationFlags(&doc);
0118 
0119     QVERIFY(!doc.isLineModified(0));
0120     QVERIFY(!doc.isLineSaved(0));
0121 
0122     // now we have an a unmodified file, start real tests
0123     // remove text in line 0, then undo and redo
0124     doc.removeText(Range(Cursor(0, 1), Cursor(0, 2)));
0125     QVERIFY(doc.isLineModified(0));
0126     QVERIFY(!doc.isLineSaved(0));
0127 
0128     doc.undo();
0129     QVERIFY(!doc.isLineModified(0));
0130     QVERIFY(doc.isLineSaved(0));
0131 
0132     doc.redo();
0133     QVERIFY(doc.isLineModified(0));
0134     QVERIFY(!doc.isLineSaved(0));
0135 
0136     //
0137     // now simulate "save", then do the undo/redo tests again
0138     //
0139     doc.setModified(false);
0140     markModifiedLinesAsSaved(&doc);
0141     doc.undoManager()->updateLineModifications();
0142 
0143     // now no line should have state "Modified"
0144     QVERIFY(!doc.isLineModified(0));
0145     QVERIFY(doc.isLineSaved(0));
0146 
0147     // undo the text insertion
0148     doc.undo();
0149     QVERIFY(doc.isLineModified(0));
0150     QVERIFY(!doc.isLineSaved(0));
0151 
0152     doc.redo();
0153     QVERIFY(!doc.isLineModified(0));
0154     QVERIFY(doc.isLineSaved(0));
0155 }
0156 
0157 void ModificationSystemTest::testInsertLine()
0158 {
0159     KTextEditor::DocumentPrivate doc;
0160 
0161     const QString content(
0162         "0\n"
0163         "2");
0164     doc.setText(content);
0165 
0166     // clear all modification flags, forces no flags
0167     doc.setModified(false);
0168     doc.undoManager()->updateLineModifications();
0169     clearModificationFlags(&doc);
0170 
0171     // insert at line 1
0172     doc.insertLine(1, "1");
0173 
0174     QVERIFY(!doc.isLineModified(0));
0175     QVERIFY(doc.isLineModified(1));
0176     QVERIFY(!doc.isLineModified(2));
0177     QVERIFY(!doc.isLineSaved(0));
0178     QVERIFY(!doc.isLineSaved(1));
0179     QVERIFY(!doc.isLineSaved(2));
0180 
0181     doc.undo();
0182     QVERIFY(!doc.isLineModified(0));
0183     QVERIFY(!doc.isLineModified(1));
0184     QVERIFY(!doc.isLineSaved(0));
0185     QVERIFY(!doc.isLineSaved(1));
0186 
0187     doc.redo();
0188     QVERIFY(!doc.isLineModified(0));
0189     QVERIFY(doc.isLineModified(1));
0190     QVERIFY(!doc.isLineModified(2));
0191     QVERIFY(!doc.isLineSaved(0));
0192     QVERIFY(!doc.isLineSaved(1));
0193     QVERIFY(!doc.isLineSaved(2));
0194 
0195     //
0196     // now simulate "save", then do the undo/redo tests again
0197     //
0198     doc.setModified(false);
0199     markModifiedLinesAsSaved(&doc);
0200     doc.undoManager()->updateLineModifications();
0201 
0202     // now no line should have state "Modified"
0203     QVERIFY(!doc.isLineModified(0));
0204     QVERIFY(!doc.isLineModified(1));
0205     QVERIFY(!doc.isLineModified(2));
0206     QVERIFY(!doc.isLineSaved(0));
0207     QVERIFY(doc.isLineSaved(1));
0208     QVERIFY(!doc.isLineSaved(2));
0209 
0210     // undo the text insertion
0211     doc.undo();
0212     QVERIFY(!doc.isLineModified(0));
0213     QVERIFY(!doc.isLineModified(1));
0214     QVERIFY(!doc.isLineSaved(0));
0215     QVERIFY(!doc.isLineSaved(1));
0216 
0217     doc.redo();
0218     QVERIFY(!doc.isLineModified(0));
0219     QVERIFY(!doc.isLineModified(1));
0220     QVERIFY(!doc.isLineModified(2));
0221     QVERIFY(!doc.isLineSaved(0));
0222     QVERIFY(doc.isLineSaved(1));
0223     QVERIFY(!doc.isLineSaved(2));
0224 }
0225 
0226 void ModificationSystemTest::testRemoveLine()
0227 {
0228     KTextEditor::DocumentPrivate doc;
0229 
0230     const QString content(
0231         "0\n"
0232         "1\n"
0233         "2");
0234     doc.setText(content);
0235 
0236     // clear all modification flags, forces no flags
0237     doc.setModified(false);
0238     doc.undoManager()->updateLineModifications();
0239     clearModificationFlags(&doc);
0240 
0241     // remove at line 1
0242     doc.removeLine(1);
0243 
0244     QVERIFY(!doc.isLineModified(0));
0245     QVERIFY(!doc.isLineModified(1));
0246     QVERIFY(!doc.isLineSaved(0));
0247     QVERIFY(!doc.isLineSaved(1));
0248 
0249     doc.undo();
0250     QVERIFY(!doc.isLineModified(0));
0251     QVERIFY(!doc.isLineModified(1));
0252     QVERIFY(!doc.isLineModified(2));
0253     QVERIFY(!doc.isLineSaved(0));
0254     QVERIFY(doc.isLineSaved(1));
0255     QVERIFY(!doc.isLineSaved(2));
0256 
0257     doc.redo();
0258     QVERIFY(!doc.isLineModified(0));
0259     QVERIFY(!doc.isLineModified(1));
0260     QVERIFY(!doc.isLineSaved(0));
0261     QVERIFY(!doc.isLineSaved(1));
0262 
0263     //
0264     // now simulate "save", then do the undo/redo tests again
0265     //
0266     doc.setModified(false);
0267     markModifiedLinesAsSaved(&doc);
0268     doc.undoManager()->updateLineModifications();
0269 
0270     // now no line should have state "Modified"
0271     QVERIFY(!doc.isLineModified(0));
0272     QVERIFY(!doc.isLineModified(1));
0273     QVERIFY(!doc.isLineSaved(0));
0274     QVERIFY(!doc.isLineSaved(1));
0275 
0276     // undo the text insertion
0277     doc.undo();
0278     QVERIFY(!doc.isLineModified(0));
0279     QVERIFY(doc.isLineModified(1));
0280     QVERIFY(!doc.isLineModified(2));
0281     QVERIFY(!doc.isLineSaved(0));
0282     QVERIFY(!doc.isLineSaved(1));
0283     QVERIFY(!doc.isLineSaved(2));
0284 
0285     doc.redo();
0286     QVERIFY(!doc.isLineModified(0));
0287     QVERIFY(!doc.isLineModified(1));
0288     QVERIFY(!doc.isLineSaved(0));
0289     QVERIFY(!doc.isLineSaved(1));
0290 }
0291 
0292 void ModificationSystemTest::testWrapLineMid()
0293 {
0294     for (int i = 0; i < 2; ++i) {
0295         bool insertNewLine = (i == 1);
0296         KTextEditor::DocumentPrivate doc;
0297 
0298         const QString content(
0299             "aaaa\n"
0300             "bbbb\n"
0301             "cccc");
0302         doc.setText(content);
0303 
0304         // clear all modification flags, forces no flags
0305         doc.setModified(false);
0306         doc.undoManager()->updateLineModifications();
0307         clearModificationFlags(&doc);
0308 
0309         // wrap line 1 at |: bb|bb
0310         doc.editWrapLine(1, 2, insertNewLine);
0311 
0312         QVERIFY(!doc.isLineModified(0));
0313         QVERIFY(doc.isLineModified(1));
0314         QVERIFY(doc.isLineModified(2));
0315         QVERIFY(!doc.isLineSaved(0));
0316         QVERIFY(!doc.isLineSaved(1));
0317         QVERIFY(!doc.isLineSaved(2));
0318 
0319         doc.undo();
0320         QVERIFY(!doc.isLineModified(0));
0321         QVERIFY(!doc.isLineModified(1));
0322         QVERIFY(!doc.isLineSaved(0));
0323         QVERIFY(doc.isLineSaved(1));
0324 
0325         doc.redo();
0326         QVERIFY(!doc.isLineModified(0));
0327         QVERIFY(doc.isLineModified(1));
0328         QVERIFY(doc.isLineModified(2));
0329         QVERIFY(!doc.isLineSaved(0));
0330         QVERIFY(!doc.isLineSaved(1));
0331         QVERIFY(!doc.isLineSaved(2));
0332 
0333         //
0334         // now simulate "save", then do the undo/redo tests again
0335         //
0336         doc.setModified(false);
0337         markModifiedLinesAsSaved(&doc);
0338         doc.undoManager()->updateLineModifications();
0339 
0340         // now no line should have state "Modified"
0341         QVERIFY(!doc.isLineModified(0));
0342         QVERIFY(!doc.isLineModified(1));
0343         QVERIFY(!doc.isLineModified(2));
0344         QVERIFY(!doc.isLineSaved(0));
0345         QVERIFY(doc.isLineSaved(1));
0346         QVERIFY(doc.isLineSaved(2));
0347 
0348         // undo the text insertion
0349         doc.undo();
0350         QVERIFY(!doc.isLineModified(0));
0351         QVERIFY(doc.isLineModified(1));
0352         QVERIFY(!doc.isLineSaved(0));
0353         QVERIFY(!doc.isLineSaved(1));
0354 
0355         doc.redo();
0356         QVERIFY(!doc.isLineModified(0));
0357         QVERIFY(!doc.isLineModified(1));
0358         QVERIFY(!doc.isLineModified(2));
0359         QVERIFY(!doc.isLineSaved(0));
0360         QVERIFY(doc.isLineSaved(1));
0361         QVERIFY(doc.isLineSaved(2));
0362     }
0363 }
0364 
0365 void ModificationSystemTest::testWrapLineAtEnd()
0366 {
0367     KTextEditor::DocumentPrivate doc;
0368 
0369     const QString content(
0370         "aaaa\n"
0371         "bbbb");
0372     doc.setText(content);
0373 
0374     // clear all modification flags, forces no flags
0375     doc.setModified(false);
0376     doc.undoManager()->updateLineModifications();
0377     clearModificationFlags(&doc);
0378 
0379     // wrap line 0 at end
0380     doc.editWrapLine(0, 4);
0381 
0382     QVERIFY(!doc.isLineModified(0));
0383     QVERIFY(doc.isLineModified(1));
0384     QVERIFY(!doc.isLineModified(2));
0385     QVERIFY(!doc.isLineSaved(0));
0386     QVERIFY(!doc.isLineSaved(1));
0387     QVERIFY(!doc.isLineSaved(2));
0388 
0389     doc.undo();
0390     QVERIFY(!doc.isLineModified(0));
0391     QVERIFY(!doc.isLineModified(1));
0392     QVERIFY(!doc.isLineSaved(0));
0393     QVERIFY(!doc.isLineSaved(1));
0394 
0395     doc.redo();
0396     QVERIFY(!doc.isLineModified(0));
0397     QVERIFY(doc.isLineModified(1));
0398     QVERIFY(!doc.isLineModified(2));
0399     QVERIFY(!doc.isLineSaved(0));
0400     QVERIFY(!doc.isLineSaved(1));
0401     QVERIFY(!doc.isLineSaved(2));
0402 
0403     //
0404     // now simulate "save", then do the undo/redo tests again
0405     //
0406     doc.setModified(false);
0407     markModifiedLinesAsSaved(&doc);
0408     doc.undoManager()->updateLineModifications();
0409 
0410     // now no line should have state "Modified"
0411     QVERIFY(!doc.isLineModified(0));
0412     QVERIFY(!doc.isLineModified(1));
0413     QVERIFY(!doc.isLineModified(2));
0414     QVERIFY(!doc.isLineSaved(0));
0415     QVERIFY(doc.isLineSaved(1));
0416     QVERIFY(!doc.isLineSaved(2));
0417 
0418     // undo the text insertion
0419     doc.undo();
0420     QVERIFY(!doc.isLineModified(0));
0421     QVERIFY(!doc.isLineModified(1));
0422     QVERIFY(!doc.isLineSaved(0));
0423     QVERIFY(!doc.isLineSaved(1));
0424 
0425     doc.redo();
0426     QVERIFY(!doc.isLineModified(0));
0427     QVERIFY(!doc.isLineModified(1));
0428     QVERIFY(!doc.isLineModified(2));
0429     QVERIFY(!doc.isLineSaved(0));
0430     QVERIFY(doc.isLineSaved(1));
0431     QVERIFY(!doc.isLineSaved(2));
0432 }
0433 
0434 void ModificationSystemTest::testWrapLineAtStart()
0435 {
0436     KTextEditor::DocumentPrivate doc;
0437 
0438     const QString content(
0439         "aaaa\n"
0440         "bbbb");
0441     doc.setText(content);
0442 
0443     // clear all modification flags, forces no flags
0444     doc.setModified(false);
0445     doc.undoManager()->updateLineModifications();
0446     clearModificationFlags(&doc);
0447 
0448     // wrap line 0 at end
0449     doc.editWrapLine(0, 0);
0450 
0451     QVERIFY(doc.isLineModified(0));
0452     QVERIFY(!doc.isLineModified(1));
0453     QVERIFY(!doc.isLineModified(2));
0454     QVERIFY(!doc.isLineSaved(0));
0455     QVERIFY(!doc.isLineSaved(1));
0456     QVERIFY(!doc.isLineSaved(2));
0457 
0458     doc.undo();
0459     QVERIFY(!doc.isLineModified(0));
0460     QVERIFY(!doc.isLineModified(1));
0461     QVERIFY(!doc.isLineSaved(0));
0462     QVERIFY(!doc.isLineSaved(1));
0463 
0464     doc.redo();
0465     QVERIFY(doc.isLineModified(0));
0466     QVERIFY(!doc.isLineModified(1));
0467     QVERIFY(!doc.isLineModified(2));
0468     QVERIFY(!doc.isLineSaved(0));
0469     QVERIFY(!doc.isLineSaved(1));
0470     QVERIFY(!doc.isLineSaved(2));
0471 
0472     //
0473     // now simulate "save", then do the undo/redo tests again
0474     //
0475     doc.setModified(false);
0476     markModifiedLinesAsSaved(&doc);
0477     doc.undoManager()->updateLineModifications();
0478 
0479     // now no line should have state "Modified"
0480     QVERIFY(!doc.isLineModified(0));
0481     QVERIFY(!doc.isLineModified(1));
0482     QVERIFY(!doc.isLineModified(2));
0483     QVERIFY(doc.isLineSaved(0));
0484     QVERIFY(!doc.isLineSaved(1));
0485     QVERIFY(!doc.isLineSaved(2));
0486 
0487     // undo the text insertion
0488     doc.undo();
0489     QVERIFY(!doc.isLineModified(0));
0490     QVERIFY(!doc.isLineModified(1));
0491     QVERIFY(!doc.isLineSaved(0));
0492     QVERIFY(!doc.isLineSaved(1));
0493 
0494     doc.redo();
0495     QVERIFY(!doc.isLineModified(0));
0496     QVERIFY(!doc.isLineModified(1));
0497     QVERIFY(!doc.isLineModified(2));
0498     QVERIFY(doc.isLineSaved(0));
0499     QVERIFY(!doc.isLineSaved(1));
0500     QVERIFY(!doc.isLineSaved(2));
0501 }
0502 
0503 void ModificationSystemTest::testUnWrapLine()
0504 {
0505     KTextEditor::DocumentPrivate doc;
0506 
0507     const QString content(
0508         "aaaa\n"
0509         "bbbb\n"
0510         "cccc");
0511     doc.setText(content);
0512 
0513     // clear all modification flags, forces no flags
0514     doc.setModified(false);
0515     doc.undoManager()->updateLineModifications();
0516     clearModificationFlags(&doc);
0517 
0518     // join line 0 and 1
0519     doc.editUnWrapLine(0);
0520 
0521     QVERIFY(doc.isLineModified(0));
0522     QVERIFY(!doc.isLineModified(1));
0523     QVERIFY(!doc.isLineSaved(0));
0524     QVERIFY(!doc.isLineSaved(1));
0525 
0526     doc.undo();
0527     QVERIFY(!doc.isLineModified(0));
0528     QVERIFY(!doc.isLineModified(1));
0529     QVERIFY(!doc.isLineModified(2));
0530     QVERIFY(doc.isLineSaved(0));
0531     QVERIFY(doc.isLineSaved(1));
0532     QVERIFY(!doc.isLineSaved(2));
0533 
0534     doc.redo();
0535     QVERIFY(doc.isLineModified(0));
0536     QVERIFY(!doc.isLineModified(1));
0537     QVERIFY(!doc.isLineSaved(0));
0538     QVERIFY(!doc.isLineSaved(1));
0539 
0540     //
0541     // now simulate "save", then do the undo/redo tests again
0542     //
0543     doc.setModified(false);
0544     markModifiedLinesAsSaved(&doc);
0545     doc.undoManager()->updateLineModifications();
0546 
0547     // now no line should have state "Modified"
0548     QVERIFY(!doc.isLineModified(0));
0549     QVERIFY(!doc.isLineModified(1));
0550     QVERIFY(doc.isLineSaved(0));
0551     QVERIFY(!doc.isLineSaved(1));
0552 
0553     // undo the text insertion
0554     doc.undo();
0555     QVERIFY(doc.isLineModified(0));
0556     QVERIFY(doc.isLineModified(1));
0557     QVERIFY(!doc.isLineModified(2));
0558     QVERIFY(!doc.isLineSaved(0));
0559     QVERIFY(!doc.isLineSaved(1));
0560     QVERIFY(!doc.isLineSaved(2));
0561 
0562     doc.redo();
0563     QVERIFY(!doc.isLineModified(0));
0564     QVERIFY(!doc.isLineModified(1));
0565     QVERIFY(doc.isLineSaved(0));
0566     QVERIFY(!doc.isLineSaved(1));
0567 }
0568 
0569 void ModificationSystemTest::testUnWrapLine1Empty()
0570 {
0571     KTextEditor::DocumentPrivate doc;
0572 
0573     const QString content(
0574         "aaaa\n"
0575         "\n"
0576         "bbbb");
0577     doc.setText(content);
0578 
0579     // clear all modification flags, forces no flags
0580     doc.setModified(false);
0581     doc.undoManager()->updateLineModifications();
0582     clearModificationFlags(&doc);
0583 
0584     // join line 1 and 2
0585     doc.editUnWrapLine(1);
0586 
0587     QVERIFY(!doc.isLineModified(0));
0588     QVERIFY(!doc.isLineModified(1));
0589     QVERIFY(!doc.isLineSaved(0));
0590     QVERIFY(!doc.isLineSaved(1));
0591 
0592     doc.undo();
0593     QVERIFY(!doc.isLineModified(0));
0594     QVERIFY(!doc.isLineModified(1));
0595     QVERIFY(!doc.isLineModified(2));
0596     QVERIFY(!doc.isLineSaved(0));
0597     QVERIFY(doc.isLineSaved(1));
0598     QVERIFY(!doc.isLineSaved(2));
0599 
0600     doc.redo();
0601     QVERIFY(!doc.isLineModified(0));
0602     QVERIFY(!doc.isLineModified(1));
0603     QVERIFY(!doc.isLineSaved(0));
0604     QVERIFY(!doc.isLineSaved(1));
0605 
0606     //
0607     // now simulate "save", then do the undo/redo tests again
0608     //
0609     doc.setModified(false);
0610     markModifiedLinesAsSaved(&doc);
0611     doc.undoManager()->updateLineModifications();
0612 
0613     // now no line should have state "Modified"
0614     QVERIFY(!doc.isLineModified(0));
0615     QVERIFY(!doc.isLineModified(1));
0616     QVERIFY(!doc.isLineSaved(0));
0617     QVERIFY(!doc.isLineSaved(1));
0618 
0619     // undo the text insertion
0620     doc.undo();
0621     QVERIFY(!doc.isLineModified(0));
0622     QVERIFY(doc.isLineModified(1));
0623     QVERIFY(!doc.isLineModified(2));
0624     QVERIFY(!doc.isLineSaved(0));
0625     QVERIFY(!doc.isLineSaved(1));
0626     QVERIFY(!doc.isLineSaved(2));
0627 
0628     doc.redo();
0629     QVERIFY(!doc.isLineModified(0));
0630     QVERIFY(!doc.isLineModified(1));
0631     QVERIFY(!doc.isLineSaved(0));
0632     QVERIFY(!doc.isLineSaved(1));
0633 }
0634 
0635 void ModificationSystemTest::testUnWrapLine2Empty()
0636 {
0637     KTextEditor::DocumentPrivate doc;
0638 
0639     const QString content(
0640         "aaaa\n"
0641         "\n"
0642         "bbbb");
0643     doc.setText(content);
0644 
0645     // clear all modification flags, forces no flags
0646     doc.setModified(false);
0647     doc.undoManager()->updateLineModifications();
0648     clearModificationFlags(&doc);
0649 
0650     // join line 0 and 1
0651     doc.editUnWrapLine(0);
0652 
0653     QVERIFY(!doc.isLineModified(0));
0654     QVERIFY(!doc.isLineModified(1));
0655     QVERIFY(!doc.isLineSaved(0));
0656     QVERIFY(!doc.isLineSaved(1));
0657 
0658     doc.undo();
0659     QVERIFY(!doc.isLineModified(0));
0660     QVERIFY(!doc.isLineModified(1));
0661     QVERIFY(!doc.isLineModified(2));
0662     QVERIFY(!doc.isLineSaved(0));
0663     QVERIFY(doc.isLineSaved(1));
0664     QVERIFY(!doc.isLineSaved(2));
0665 
0666     doc.redo();
0667     QVERIFY(!doc.isLineModified(0));
0668     QVERIFY(!doc.isLineModified(1));
0669     QVERIFY(!doc.isLineSaved(0));
0670     QVERIFY(!doc.isLineSaved(1));
0671 
0672     //
0673     // now simulate "save", then do the undo/redo tests again
0674     //
0675     doc.setModified(false);
0676     markModifiedLinesAsSaved(&doc);
0677     doc.undoManager()->updateLineModifications();
0678 
0679     // now no line should have state "Modified"
0680     QVERIFY(!doc.isLineModified(0));
0681     QVERIFY(!doc.isLineModified(1));
0682     QVERIFY(!doc.isLineSaved(0));
0683     QVERIFY(!doc.isLineSaved(1));
0684 
0685     // undo the text insertion
0686     doc.undo();
0687     QVERIFY(!doc.isLineModified(0));
0688     QVERIFY(doc.isLineModified(1));
0689     QVERIFY(!doc.isLineModified(2));
0690     QVERIFY(!doc.isLineSaved(0));
0691     QVERIFY(!doc.isLineSaved(1));
0692     QVERIFY(!doc.isLineSaved(2));
0693 
0694     doc.redo();
0695     QVERIFY(!doc.isLineModified(0));
0696     QVERIFY(!doc.isLineModified(1));
0697     QVERIFY(!doc.isLineSaved(0));
0698     QVERIFY(!doc.isLineSaved(1));
0699 }
0700 
0701 void ModificationSystemTest::testNavigation()
0702 {
0703     KTextEditor::DocumentPrivate doc;
0704 
0705     const QString content(
0706         "0\n"
0707         "1\n"
0708         "2");
0709     doc.setText(content);
0710 
0711     // clear all modification flags, forces no flags
0712     doc.setModified(false);
0713     doc.undoManager()->updateLineModifications();
0714     clearModificationFlags(&doc);
0715 
0716     // touch line 0 and line 2:
0717     doc.insertText(Cursor(0, 1), QLatin1String("-"));
0718     doc.insertText(Cursor(2, 1), QLatin1String("-"));
0719 
0720     // test down navigation:
0721     const bool down = true;
0722     QCOMPARE(doc.findTouchedLine(-1, down), -1);
0723     QCOMPARE(doc.findTouchedLine(0, down), 0);
0724     QCOMPARE(doc.findTouchedLine(1, down), 2);
0725     QCOMPARE(doc.findTouchedLine(2, down), 2);
0726     QCOMPARE(doc.findTouchedLine(3, down), -1);
0727 
0728     // test up navigation
0729     const bool up = false;
0730     QCOMPARE(doc.findTouchedLine(-1, up), -1);
0731     QCOMPARE(doc.findTouchedLine(0, up), 0);
0732     QCOMPARE(doc.findTouchedLine(1, up), 0);
0733     QCOMPARE(doc.findTouchedLine(2, up), 2);
0734     QCOMPARE(doc.findTouchedLine(3, up), -1);
0735 }