File indexing completed on 2024-04-28 15:30:09

 /*
     This file is part of the KDE libraries
     SPDX-FileCopyrightText: 2010-2018 Dominik Haumann <dhaumann@kde.org>
 
     SPDX-License-Identifier: LGPL-2.0-or-later
 */
 
 #include "katedocument_test.h"
 #include "moc_katedocument_test.cpp"
 
 #include <kateconfig.h>
 #include <katedocument.h>
 #include <kateglobal.h>
 #include <kateview.h>
 #include <ktexteditor/movingcursor.h>
 
 #include <QRegularExpression>
 #include <QSignalSpy>
 #include <QTemporaryFile>
 #include <QtTestWidgets>
 
 #include <stdio.h>
 
 /// TODO: is there a FindValgrind cmake command we could use to
 ///      define this automatically?
 // comment this out and run the test case with:
 //   valgrind --tool=callgrind --instr-atstart=no ./katedocument_test testSetTextPerformance
 // or similar
 //
 // #define USE_VALGRIND
 
 #ifdef USE_VALGRIND
 #include <valgrind/callgrind.h>
 #endif
 
 using namespace KTextEditor;
 
 QTEST_MAIN(KateDocumentTest)
 
 class MovingRangeInvalidator : public QObject
 {
     Q_OBJECT
 public:
     explicit MovingRangeInvalidator(QObject *parent = nullptr)
         : QObject(parent)
     {
     }
 
     void addRange(MovingRange *range)
     {
         m_ranges << range;
     }
     QList<MovingRange *> ranges() const
     {
         return m_ranges;
     }
 
 public Q_SLOTS:
     void aboutToInvalidateMovingInterfaceContent()
     {
         qDeleteAll(m_ranges);
         m_ranges.clear();
     }
 
 private:
     QList<MovingRange *> m_ranges;
 };
 
 KateDocumentTest::KateDocumentTest()
     : QObject()
 {
 }
 
 KateDocumentTest::~KateDocumentTest()
 {
 }
 
 void KateDocumentTest::initTestCase()
 {
     KTextEditor::EditorPrivate::enableUnitTestMode();
 }
 
 // tests:
 // KTextEditor::DocumentPrivate::insertText with word wrap enabled. It is checked whether the
 // text is correctly wrapped and whether the moving cursors maintain the correct
 // position.
 // see also: https://bugs.kde.org/show_bug.cgi?id=168534
 void KateDocumentTest::testWordWrap()
 {
     KTextEditor::DocumentPrivate doc(false, false);
     doc.setWordWrap(true);
     doc.setWordWrapAt(80);
 
     const QString content = QLatin1String(".........1.........2.........3.........4.........5.........6 ........7 ........8");
 
     // space after 7 is now kept
     // else we kill indentation...
     const QString firstWrap = QLatin1String(".........1.........2.........3.........4.........5.........6 ........7 \n....x....8");
 
     // space after 6 is now kept
     // else we kill indentation...
     const QString secondWrap = QLatin1String(".........1.........2.........3.........4.........5.........6 \n....ooooooooooo....7 ....x....8");
 
     doc.setText(content);
     MovingCursor *c = doc.newMovingCursor(Cursor(0, 75), MovingCursor::MoveOnInsert);
 
     QCOMPARE(doc.text(), content);
     QCOMPARE(c->toCursor(), Cursor(0, 75));
 
     // type a character at (0, 75)
     doc.insertText(c->toCursor(), QLatin1String("x"));
     QCOMPARE(doc.text(), firstWrap);
     QCOMPARE(c->toCursor(), Cursor(1, 5));
 
     // set cursor to (0, 65) and type "ooooooooooo"
     c->setPosition(Cursor(0, 65));
     doc.insertText(c->toCursor(), QLatin1String("ooooooooooo"));
     QCOMPARE(doc.text(), secondWrap);
     QCOMPARE(c->toCursor(), Cursor(1, 15));
 }
 
 void KateDocumentTest::testWrapParagraph()
 {
     // Each paragraph must be kept as an own but re-wrapped nicely
     KTextEditor::DocumentPrivate doc(false, false);
     doc.setWordWrapAt(30); // Keep needed test data small
 
     const QString before =
         QLatin1String("aaaaa a aaaa\naaaaa aaa aa aaaa aaaa \naaaa a aaa aaaaaaa a aaaa\n\nxxxxx x\nxxxx xxxxx\nxxx xx xxxx \nxxxx xxxx x xxx xxxxxxx x xxxx");
     const QString after =
         QLatin1String("aaaaa a aaaa aaaaa aaa aa aaaa \naaaa aaaa a aaa aaaaaaa a aaaa\n\nxxxxx x xxxx xxxxx xxx xx xxxx \nxxxx xxxx x xxx xxxxxxx x xxxx");
 
     doc.setWordWrap(false); // First we try with disabled hard wrap
     doc.setText(before);
     doc.wrapParagraph(0, doc.lines() - 1);
     QCOMPARE(doc.text(), after);
 
     doc.setWordWrap(true); // Test again with enabled hard wrap, that had cause trouble due to twice wrapping
     doc.setText(before);
     doc.wrapParagraph(0, doc.lines() - 1);
     QCOMPARE(doc.text(), after);
 }
 
 void KateDocumentTest::testReplaceQStringList()
 {
     KTextEditor::DocumentPrivate doc(false, false);
     doc.setWordWrap(false);
     doc.setText(
         QLatin1String("asdf\n"
                       "foo\n"
                       "foo\n"
                       "bar\n"));
     doc.replaceText(Range(1, 0, 3, 0), {"new", "text", ""}, false);
     QCOMPARE(doc.text(),
              QLatin1String("asdf\n"
                            "new\n"
                            "text\n"
                            "bar\n"));
 }
 
 void KateDocumentTest::testMovingInterfaceSignals()
 {
     KTextEditor::DocumentPrivate *doc = new KTextEditor::DocumentPrivate;
     QSignalSpy aboutToDeleteSpy(doc, &KTextEditor::DocumentPrivate::aboutToDeleteMovingInterfaceContent);
     QSignalSpy aboutToInvalidateSpy(doc, &KTextEditor::DocumentPrivate::aboutToInvalidateMovingInterfaceContent);
 
     QCOMPARE(doc->revision(), qint64(0));
 
     QCOMPARE(aboutToInvalidateSpy.count(), 0);
     QCOMPARE(aboutToDeleteSpy.count(), 0);
 
     QTemporaryFile f;
     f.open();
     doc->openUrl(QUrl::fromLocalFile(f.fileName()));
     QCOMPARE(doc->revision(), qint64(0));
     // TODO: gets emitted once in closeFile and once in openFile - is that OK?
     QCOMPARE(aboutToInvalidateSpy.count(), 2);
     QCOMPARE(aboutToDeleteSpy.count(), 0);
 
     doc->documentReload();
     QCOMPARE(doc->revision(), qint64(0));
     QCOMPARE(aboutToInvalidateSpy.count(), 4);
     // TODO: gets emitted once in closeFile and once in openFile - is that OK?
     QCOMPARE(aboutToDeleteSpy.count(), 0);
 
     delete doc;
     QCOMPARE(aboutToInvalidateSpy.count(), 4);
     QCOMPARE(aboutToDeleteSpy.count(), 1);
 }
 
 void KateDocumentTest::testSetTextPerformance()
 {
     const int lines = 150;
     const int columns = 80;
     const int rangeLength = 4;
     const int rangeGap = 1;
 
     Q_ASSERT(columns % (rangeLength + rangeGap) == 0);
 
     KTextEditor::DocumentPrivate doc;
     MovingRangeInvalidator invalidator;
     connect(&doc,
             &KTextEditor::DocumentPrivate::aboutToInvalidateMovingInterfaceContent,
             &invalidator,
             &MovingRangeInvalidator::aboutToInvalidateMovingInterfaceContent);
 
     QString text;
     QVector<Range> ranges;
     ranges.reserve(lines * columns / (rangeLength + rangeGap));
     const QString line = QString().fill('a', columns);
     for (int l = 0; l < lines; ++l) {
         text.append(line);
         text.append('\n');
         for (int c = 0; c < columns; c += rangeLength + rangeGap) {
             ranges << Range(l, c, l, c + rangeLength);
         }
     }
 
     // replace
     QBENCHMARK {
         // init
         doc.setText(text);
         for (const Range &range : std::as_const(ranges)) {
             invalidator.addRange(doc.newMovingRange(range));
         }
         QCOMPARE(invalidator.ranges().size(), ranges.size());
 
 #ifdef USE_VALGRIND
         CALLGRIND_START_INSTRUMENTATION
 #endif
 
         doc.setText(text);
 
 #ifdef USE_VALGRIND
         CALLGRIND_STOP_INSTRUMENTATION
 #endif
 
         QCOMPARE(doc.text(), text);
         QVERIFY(invalidator.ranges().isEmpty());
     }
 }
 
 void KateDocumentTest::testRemoveTextPerformance()
 {
     const int lines = 5000;
     const int columns = 80;
 
     KTextEditor::DocumentPrivate doc;
 
     QString text;
     const QString line = QString().fill('a', columns);
     for (int l = 0; l < lines; ++l) {
         text.append(line);
         text.append('\n');
     }
 
     doc.setText(text);
 
     // replace
     QBENCHMARK_ONCE {
 #ifdef USE_VALGRIND
         CALLGRIND_START_INSTRUMENTATION
 #endif
 
         doc.editStart();
 
         doc.removeText(doc.documentRange());
 
         doc.editEnd();
 
 #ifdef USE_VALGRIND
         CALLGRIND_STOP_INSTRUMENTATION
 #endif
     }
 }
 
 void KateDocumentTest::testForgivingApiUsage()
 {
     KTextEditor::DocumentPrivate doc;
 
     QVERIFY(doc.isEmpty());
     QVERIFY(doc.replaceText(Range(0, 0, 100, 100), "asdf"));
     QCOMPARE(doc.text(), QString("asdf"));
     QCOMPARE(doc.lines(), 1);
     QVERIFY(doc.replaceText(Range(2, 5, 2, 100), "asdf"));
     QCOMPARE(doc.lines(), 3);
     QCOMPARE(doc.text(), QLatin1String("asdf\n\n     asdf"));
 
     QVERIFY(doc.removeText(Range(0, 0, 1000, 1000)));
     QVERIFY(doc.removeText(Range(0, 0, 0, 100)));
     QVERIFY(doc.isEmpty());
     doc.insertText(Cursor(100, 0), "foobar");
     QCOMPARE(doc.line(100), QString("foobar"));
 
     doc.setText("nY\nnYY\n");
     QVERIFY(doc.removeText(Range(0, 0, 0, 1000)));
 }
 
 void KateDocumentTest::testAutoBrackets()
 {
     KTextEditor::DocumentPrivate doc;
     auto view = static_cast<KTextEditor::ViewPrivate *>(doc.createView(nullptr));
 
     auto reset = [&]() {
         doc.setText("");
         view->setCursorPosition(Cursor(0, 0));
     };
 
     auto typeText = [&](const QString &text) {
         for (int i = 0; i < text.size(); ++i) {
             doc.typeChars(view, text.at(i));
         }
     };
 
     doc.setHighlightingMode("Normal"); // Just to be sure
     view->config()->setValue(KateViewConfig::AutoBrackets, true);
 
     QString testInput;
 
     testInput = ("(");
     typeText(testInput);
     QCOMPARE(doc.text(), "()");
 
     reset();
     testInput = ("\"");
     typeText(testInput);
     QCOMPARE(doc.text(), "\"\"");
 
     reset();
     testInput = ("'");
     typeText(testInput);
     QCOMPARE(doc.text(), "'"); // In Normal mode there is only one quote to expect
 
     //
     // Switch over to some other mode
     //
     doc.setHighlightingMode("C++");
 
     reset();
     typeText(testInput);
     QCOMPARE(doc.text(), "''"); // Now it must be two
 
     reset();
     testInput = "('')";
     typeText(testInput);
     // Known bad behaviour in case of nested brackets
     QCOMPARE(doc.text(), testInput);
 
     reset();
     testInput = ("foo \"bar\" haz");
     typeText(testInput);
     QCOMPARE(doc.text(), testInput);
     // Simulate afterwards to add quotes, bug 405089
     doc.setText("foo \"bar");
     typeText("\" haz");
     QCOMPARE(doc.text(), testInput);
 
     // Let's check to add brackets to a selection...
     view->setBlockSelection(false);
     doc.setText("012xxx678");
     view->setSelection(Range(0, 3, 0, 6));
     typeText("[");
     QCOMPARE(doc.text(), "012[xxx]678");
     QCOMPARE(view->selectionRange(), Range(0, 4, 0, 7));
 
     // ...over multiple lines..
     doc.setText("012xxx678\n012xxx678");
     view->setSelection(Range(0, 3, 1, 6));
     typeText("[");
     QCOMPARE(doc.text(), "012[xxx678\n012xxx]678");
     QCOMPARE(view->selectionRange(), Range(0, 4, 1, 6));
 
     // ..once again in in block mode with increased complexity..
     view->setBlockSelection(true);
     doc.setText("012xxx678\n012xxx678");
     view->setSelection(Range(0, 3, 1, 6));
     typeText("[(");
     QCOMPARE(doc.text(), "012[(xxx)]678\n012[(xxx)]678");
     QCOMPARE(view->selectionRange(), Range(0, 5, 1, 8));
 
     // ..and the same with right->left selection
     view->setBlockSelection(true);
     doc.setText("012xxx678\n012xxx678");
     view->setSelection(Range(0, 6, 1, 3));
     typeText("[(");
     QCOMPARE(doc.text(), "012[(xxx)]678\n012[(xxx)]678");
     QCOMPARE(view->selectionRange(), Range(0, 8, 1, 5));
 }
 
 void KateDocumentTest::testReplaceTabs()
 {
     KTextEditor::DocumentPrivate doc;
     auto view = static_cast<KTextEditor::ViewPrivate *>(doc.createView(nullptr));
 
     auto reset = [&]() {
         doc.setText("  Hi!");
         view->setCursorPosition(Cursor(0, 0));
     };
 
     doc.setHighlightingMode("C++");
     doc.config()->setTabWidth(4);
     doc.config()->setIndentationMode("cppstyle");
 
     // no replace tabs, no indent pasted text
     doc.setConfigValue("replace-tabs", false);
     doc.setConfigValue("indent-pasted-text", false);
 
     reset();
     doc.insertText(Cursor(0, 0), "\t");
     QCOMPARE(doc.text(), QStringLiteral("\t  Hi!"));
 
     reset();
     doc.typeChars(view, "\t");
     QCOMPARE(doc.text(), QStringLiteral("\t  Hi!"));
 
     reset();
     doc.paste(view, "some\ncode\n  3\nhi\n");
     QCOMPARE(doc.text(), QStringLiteral("some\ncode\n  3\nhi\n  Hi!"));
 
     // now, enable replace tabs
     doc.setConfigValue("replace-tabs", true);
 
     reset();
     doc.insertText(Cursor(0, 0), "\t");
     // calling insertText does not replace tabs
     QCOMPARE(doc.text(), QStringLiteral("\t  Hi!"));
 
     reset();
     doc.typeChars(view, "\t");
     // typing text replaces tabs
     QCOMPARE(doc.text(), QStringLiteral("      Hi!"));
 
     reset();
     doc.paste(view, "\t");
     // pasting text does not with indent-pasted off
     QCOMPARE(doc.text(), QStringLiteral("\t  Hi!"));
 
     doc.setConfigValue("indent-pasted-text", true);
     doc.setText("int main() {\n    \n}");
     view->setCursorPosition(Cursor(1, 4));
     doc.paste(view, "\tHi");
     // ... and it still does not with indent-pasted on.
     // This behaviour is up to discussion.
     // \t survives as we don't indent in the given case anymore, see 077dfe954699c674d2c34caf380199a4af7d184a
     QCOMPARE(doc.text(), QStringLiteral("int main() {\n    \tHi\n}"));
 
     reset();
     doc.paste(view, "some\ncode\n  3\nhi");
     QCOMPARE(doc.text(), QStringLiteral("some\ncode\n3\nhi  Hi!"));
 }
 
 /**
  * Provides slots to check data sent in specific signals. Slot names are derived from corresponding test names.
  */
 class SignalHandler : public QObject
 {
     Q_OBJECT
 public Q_SLOTS:
     void slotMultipleLinesRemoved(KTextEditor::Document *, const KTextEditor::Range &, const QString &oldText)
     {
         QCOMPARE(oldText, QString("line2\nline3\n"));
     }
 
     void slotNewlineInserted(KTextEditor::Document *, const KTextEditor::Range &range)
     {
         QCOMPARE(range, Range(Cursor(1, 4), Cursor(2, 0)));
     }
 };
 
 void KateDocumentTest::testRemoveMultipleLines()
 {
     KTextEditor::DocumentPrivate doc;
 
     doc.setText(
         "line1\n"
         "line2\n"
         "line3\n"
         "line4\n");
 
     SignalHandler handler;
     connect(&doc, &KTextEditor::DocumentPrivate::textRemoved, &handler, &SignalHandler::slotMultipleLinesRemoved);
     doc.removeText(Range(1, 0, 3, 0));
 }
 
 void KateDocumentTest::testInsertNewline()
 {
     KTextEditor::DocumentPrivate doc;
 
     doc.setText(
         "this is line\n"
         "this is line2\n");
 
     SignalHandler handler;
     connect(&doc, &KTextEditor::DocumentPrivate::textInsertedRange, &handler, &SignalHandler::slotNewlineInserted);
     doc.editWrapLine(1, 4);
 }
 
 void KateDocumentTest::testInsertAfterEOF()
 {
     KTextEditor::DocumentPrivate doc;
 
     doc.setText(
         "line0\n"
         "line1");
 
     const QString input = QLatin1String(
         "line3\n"
         "line4");
 
     const QString expected = QLatin1String(
         "line0\n"
         "line1\n"
         "\n"
         "line3\n"
         "line4");
 
     doc.insertText(KTextEditor::Cursor(3, 0), input);
     QCOMPARE(doc.text(), expected);
 }
 
 // we have two different ways of creating the checksum:
 // in KateFileLoader and KTextEditor::DocumentPrivate::createDigest. Make
 // sure, these two implementations result in the same checksum.
 void KateDocumentTest::testDigest()
 {
     // we will write the test file here to avoid that any line ending conversion for git will break it
     const QByteArray fileDigest = "aa22605da164a4e4e55f4c9738cfe1e53d4467f9";
     QTemporaryFile file("testDigest");
     file.open();
     file.write("974d9ab0860c755a4f5686b3b6b429e1efd48a96\ntest\ntest\n\r\n\r\n\r\n");
     file.flush();
 
     // make sure, Kate::TextBuffer and KTextEditor::DocumentPrivate::createDigest() equal
     KTextEditor::DocumentPrivate doc;
     doc.openUrl(QUrl::fromLocalFile(file.fileName()));
     const QByteArray bufferDigest(doc.checksum().toHex());
     QVERIFY(doc.createDigest());
     const QByteArray docDigest(doc.checksum().toHex());
 
     QCOMPARE(bufferDigest, fileDigest);
     QCOMPARE(docDigest, fileDigest);
 }
 
 void KateDocumentTest::testModelines()
 {
     // honor document variable indent-width
     {
         KTextEditor::DocumentPrivate doc;
         QCOMPARE(doc.config()->indentationWidth(), 4);
         doc.readVariableLine(QStringLiteral("kate: indent-width 3;"));
         QCOMPARE(doc.config()->indentationWidth(), 3);
     }
 
     // honor document variable indent-width with * wildcard
     {
         KTextEditor::DocumentPrivate doc;
         QCOMPARE(doc.config()->indentationWidth(), 4);
         doc.readVariableLine(QStringLiteral("kate-wildcard(*): indent-width 3;"));
         QCOMPARE(doc.config()->indentationWidth(), 3);
     }
 
     // ignore document variable indent-width, since the wildcard does not match
     {
         KTextEditor::DocumentPrivate doc;
         QCOMPARE(doc.config()->indentationWidth(), 4);
         doc.readVariableLine(QStringLiteral("kate-wildcard(*.txt): indent-width 3;"));
         QCOMPARE(doc.config()->indentationWidth(), 4);
     }
 
     // document variable indent-width, since the wildcard does not match
     {
         KTextEditor::DocumentPrivate doc;
         doc.openUrl(QUrl::fromLocalFile(QLatin1String(TEST_DATA_DIR "modelines.txt")));
         QVERIFY(!doc.isEmpty());
 
         // ignore wrong wildcard
         QCOMPARE(doc.config()->indentationWidth(), 4);
         doc.readVariableLine(QStringLiteral("kate-wildcard(*.bar): indent-width 3;"));
         QCOMPARE(doc.config()->indentationWidth(), 4);
 
         // read correct wildcard
         QCOMPARE(doc.config()->indentationWidth(), 4);
         doc.readVariableLine(QStringLiteral("kate-wildcard(*.txt): indent-width 5;"));
         QCOMPARE(doc.config()->indentationWidth(), 5);
 
         // honor correct wildcard
         QCOMPARE(doc.config()->indentationWidth(), 5);
         doc.readVariableLine(QStringLiteral("kate-wildcard(*.foo;*.txt;*.bar): indent-width 6;"));
         QCOMPARE(doc.config()->indentationWidth(), 6);
 
         // ignore incorrect mimetype
         QCOMPARE(doc.config()->indentationWidth(), 6);
         doc.readVariableLine(QStringLiteral("kate-mimetype(text/unknown): indent-width 7;"));
         QCOMPARE(doc.config()->indentationWidth(), 6);
 
         // honor correct mimetype
         QCOMPARE(doc.config()->indentationWidth(), 6);
         doc.readVariableLine(QStringLiteral("kate-mimetype(text/plain): indent-width 8;"));
         QCOMPARE(doc.config()->indentationWidth(), 8);
 
         // honor correct mimetype
         QCOMPARE(doc.config()->indentationWidth(), 8);
         doc.readVariableLine(QStringLiteral("kate-mimetype(text/foo;text/plain;text/bar): indent-width 9;"));
         QCOMPARE(doc.config()->indentationWidth(), 9);
     }
 }
 
 void KateDocumentTest::testDefStyleNum()
 {
     KTextEditor::DocumentPrivate doc;
     doc.setText("foo\nbar\nasdf");
     QCOMPARE(doc.defStyleNum(0, 0), 0);
 }
 
 void KateDocumentTest::testTypeCharsWithSurrogateAndNewLine()
 {
     KTextEditor::DocumentPrivate doc;
     auto view = static_cast<KTextEditor::ViewPrivate *>(doc.createView(nullptr));
     const char32_t surrogateUcs4String[] = {0x1f346, '\n', 0x1f346, 0};
     const auto surrogateString = QString::fromUcs4(surrogateUcs4String);
     doc.typeChars(view, surrogateString);
 
     QCOMPARE(doc.text(), surrogateString);
 }
 
 void KateDocumentTest::testRemoveComposedCharacters()
 {
     KTextEditor::DocumentPrivate doc;
     auto view = static_cast<KTextEditor::ViewPrivate *>(doc.createView(nullptr));
     view->config()->setValue(KateViewConfig::BackspaceRemoveComposedCharacters, true);
     doc.setText(QString::fromUtf8("व्यक्तियों"));
     doc.del(view, Cursor(0, 0));
 
     QCOMPARE(doc.text(), QString::fromUtf8(("क्तियों")));
 
     view->setCursorPosition({0, 7});
     doc.backspace(view);
 
     QCOMPARE(doc.text(), QString::fromUtf8(("क्ति")));
 }
 
 void KateDocumentTest::testAutoReload()
 {
     // ATM fails on Windows, mark as such to be able to enforce test success in CI
 #ifdef Q_OS_WIN
     QSKIP("Fails ATM, please fix");
 #endif
 
     QTemporaryFile file("AutoReloadTestFile");
     file.open();
     file.write("Hello");
     file.flush();
 
     KTextEditor::DocumentPrivate doc;
     auto view = static_cast<KTextEditor::ViewPrivate *>(doc.createView(nullptr));
     QVERIFY(doc.openUrl(QUrl::fromLocalFile(file.fileName())));
     QCOMPARE(doc.text(), "Hello");
     // The cursor should be and stay in the last line...
     QCOMPARE(view->cursorPosition().line(), doc.documentEnd().line());
 
     doc.autoReloadToggled(true);
 
     // Some magic value. You can wait as long as you like after write to file,
     // without to wait before it doesn't work here. It mostly fails with 500,
     // it tend to work with 600, but is not guarantied to work even with 800
     QTest::qWait(1000);
 
     file.write("\nTest");
     file.flush();
 
     // Hardcoded delay m_modOnHdTimer in DocumentPrivate
     // + min val with which it looks working reliable here
     QTest::qWait(1000);
     QCOMPARE(doc.text(), "Hello\nTest");
     // ...stay in the last line after reload!
     QCOMPARE(view->cursorPosition().line(), doc.documentEnd().line());
 
     // Now we have more then one line, set the cursor to some line != last line...
     Cursor c(0, 3);
     view->setCursorPosition(c);
 
     file.write("\nWorld!");
     file.flush();
 
     QTest::qWait(1000);
     QCOMPARE(doc.text(), "Hello\nTest\nWorld!");
     // ...and ensure we have not move around
     QCOMPARE(view->cursorPosition(), c);
 }
 
 void KateDocumentTest::testSearch()
 {
     /**
      * this is the start of some new implementation of searchText that can handle multi-line regex stuff
      * just naturally and without always concatenating the full document.
      */
 
     KTextEditor::DocumentPrivate doc;
     doc.setText("foo\nbar\nzonk");
 
     const QRegularExpression pattern(QStringLiteral("ar\nzonk$"), QRegularExpression::MultilineOption | QRegularExpression::UseUnicodePropertiesOption);
     int startLine = 0;
     int endLine = 2;
     QString textToMatch;
     int partialMatchLine = -1;
     for (int currentLine = startLine; currentLine <= endLine; ++currentLine) {
         // if we had a partial match before, we need to keep the old text and append our new line
         int matchStartLine = currentLine;
         if (partialMatchLine >= 0) {
             textToMatch += doc.line(currentLine);
             textToMatch += QLatin1Char('\n');
             matchStartLine = partialMatchLine;
         } else {
             textToMatch = doc.line(currentLine);
             textToMatch += QLatin1Char('\n');
         }
 
         auto result = pattern.match(textToMatch, 0, QRegularExpression::PartialPreferFirstMatch);
         qDebug() << "match" << result.hasMatch() << result.hasPartialMatch() << result.capturedStart() << result.capturedLength();
 
         if (result.hasMatch()) {
             printf("found stuff starting in line %d\n", matchStartLine);
             break;
         }
 
         // else: remember if we need to keep text!
         if (result.hasPartialMatch()) {
             // if we had already a partial match before, keep the line!
             if (partialMatchLine >= 0) {
             } else {
                 partialMatchLine = currentLine;
             }
         } else {
             // we can forget the old text
             partialMatchLine = -1;
         }
     }
 }
 
 void KateDocumentTest::testMatchingBracket_data()
 {
     QTest::addColumn<QString>("text");
     QTest::addColumn<KTextEditor::Cursor>("cursor");
     QTest::addColumn<KTextEditor::Range>("match");
     QTest::addColumn<int>("maxLines");
 
     QTest::addRow("invalid") << "asdf\nasdf" << KTextEditor::Cursor(1, 0) << KTextEditor::Range::invalid() << 10;
     QTest::addRow("]-before") << "[\n]" << KTextEditor::Cursor(1, 0) << KTextEditor::Range({0, 0}, {1, 0}) << 10;
     QTest::addRow("]-after") << "[\n]" << KTextEditor::Cursor(1, 1) << KTextEditor::Range({0, 0}, {1, 0}) << 10;
     QTest::addRow("[-before") << "[\n]" << KTextEditor::Cursor(0, 0) << KTextEditor::Range({0, 0}, {1, 0}) << 10;
     QTest::addRow("[-after") << "[\n]" << KTextEditor::Cursor(0, 1) << KTextEditor::Range({0, 0}, {1, 0}) << 10;
     QTest::addRow("}-before") << "{\n}" << KTextEditor::Cursor(1, 0) << KTextEditor::Range({0, 0}, {1, 0}) << 10;
     QTest::addRow("}-after") << "{\n}" << KTextEditor::Cursor(1, 1) << KTextEditor::Range({0, 0}, {1, 0}) << 10;
     QTest::addRow("{-before") << "{\n}" << KTextEditor::Cursor(0, 0) << KTextEditor::Range({0, 0}, {1, 0}) << 10;
     QTest::addRow("{-after") << "{\n}" << KTextEditor::Cursor(0, 1) << KTextEditor::Range({0, 0}, {1, 0}) << 10;
     QTest::addRow(")-before") << "(\n)" << KTextEditor::Cursor(1, 0) << KTextEditor::Range({0, 0}, {1, 0}) << 10;
     QTest::addRow(")-after") << "(\n)" << KTextEditor::Cursor(1, 1) << KTextEditor::Range({0, 0}, {1, 0}) << 10;
     QTest::addRow("(-before") << "(\n)" << KTextEditor::Cursor(0, 0) << KTextEditor::Range({0, 0}, {1, 0}) << 10;
     QTest::addRow("(-after") << "(\n)" << KTextEditor::Cursor(0, 1) << KTextEditor::Range({0, 0}, {1, 0}) << 10;
     QTest::addRow("]-maxlines") << "[\n\n]" << KTextEditor::Cursor(1, 0) << KTextEditor::Range::invalid() << 1;
 }
 
 void KateDocumentTest::testMatchingBracket()
 {
     QFETCH(QString, text);
     QFETCH(KTextEditor::Cursor, cursor);
     QFETCH(KTextEditor::Range, match);
     QFETCH(int, maxLines);
 
     KTextEditor::DocumentPrivate doc;
     doc.setText(text);
     QCOMPARE(doc.findMatchingBracket(cursor, maxLines), match);
 }
 
 void KateDocumentTest::testIndentOnPaste()
 {
     KTextEditor::DocumentPrivate doc;
     auto view = static_cast<KTextEditor::ViewPrivate *>(doc.createView(nullptr));
 
     doc.setHighlightingMode("C++");
     doc.config()->setTabWidth(4);
     doc.config()->setIndentationMode("cppstyle");
 
     doc.setConfigValue("indent-pasted-text", true);
 
     /**
      * namespace ns
      * {
      * class MyClass
      */
     doc.setText(QStringLiteral("namespace ns\n{\nclass MyClass"));
     view->setCursorPosition({2, 5});
     doc.paste(view, QStringLiteral(" SOME_MACRO"));
     // We have text in the line we are pasting in so the existing indentation shouldn't be disturbed
     QCOMPARE(doc.text(), QStringLiteral("namespace ns\n{\nclass SOME_MACRO MyClass"));
 
     /**
      * namespace ns
      * {
      */
     doc.setText(QStringLiteral("namespace ns\n{\n"));
     view->setCursorPosition({2, 0});
     doc.paste(view, QStringLiteral("class MyClass"));
     // We have no text in the line we are pasting in so indentation will be adjusted
     QCOMPARE(doc.text(), QStringLiteral("namespace ns\n{\n    class MyClass"));
 }
 
 void KateDocumentTest::testAboutToSave()
 {
     KTextEditor::DocumentPrivate doc;
     const QString thisFile = QString::fromUtf8(__FILE__);
     bool opened = doc.openUrl(QUrl::fromLocalFile(thisFile));
 
     QVERIFY(opened);
 
     QSignalSpy spy(&doc, &KTextEditor::DocumentPrivate::aboutToSave);
     QSignalSpy savedSpy(&doc, &KTextEditor::DocumentPrivate::documentSavedOrUploaded);
 
     doc.documentSave();
 
     QVERIFY(spy.count() == 1 || spy.wait());
     QVERIFY(savedSpy.count() == 1 || savedSpy.wait());
 }
 
 void KateDocumentTest::testKeepUndoOverReload()
 {
     // create test document with some simple text
     KTextEditor::DocumentPrivate doc;
     const QString initialText = QStringLiteral("lala\ntest\nfoobar\n");
     doc.setText(initialText);
     QCOMPARE(doc.text(), initialText);
 
     // now: do some editing
     const QString insertedText = QStringLiteral("newfirstline\n");
     doc.insertText(KTextEditor::Cursor(0, 0), insertedText);
     QCOMPARE(doc.text(), insertedText + initialText);
 
     // test undo/redo
     doc.undo();
     QCOMPARE(doc.text(), initialText);
     doc.redo();
     QCOMPARE(doc.text(), insertedText + initialText);
 
     // save it to some local temporary file, for later reload
     QTemporaryFile tmpFile;
     tmpFile.open();
     QVERIFY(doc.saveAs(QUrl::fromLocalFile(tmpFile.fileName())));
 
     // first: try if normal reload works
     QVERIFY(doc.documentReload());
     QCOMPARE(doc.text(), insertedText + initialText);
 
     // test undo/redo AFTER reload
     doc.undo();
     QCOMPARE(doc.text(), initialText);
     doc.redo();
     QCOMPARE(doc.text(), insertedText + initialText);
 }
 
 void KateDocumentTest::testToggleComment()
 {
     { // BUG: 451471
         KTextEditor::DocumentPrivate doc;
         QVERIFY(doc.highlightingModes().contains(QStringLiteral("Python")));
         doc.setHighlightingMode(QStringLiteral("Python"));
         const QString original = QStringLiteral("import hello;\ndef method():");
         doc.setText(original);
         QVERIFY(doc.lines() == 2);
 
         doc.commentSelection(doc.documentRange(), {1, 2}, false, DocumentPrivate::ToggleComment);
         QCOMPARE(doc.text(), QStringLiteral("# import hello;\n# def method():"));
 
         doc.commentSelection(doc.documentRange(), {1, 2}, false, DocumentPrivate::ToggleComment);
         QCOMPARE(doc.text(), original);
     }
 
     { // Comment C++;
         KTextEditor::DocumentPrivate doc;
         QVERIFY(doc.highlightingModes().contains(QStringLiteral("C++")));
         doc.setHighlightingMode(QStringLiteral("C++"));
         QString original = QStringLiteral("#include<iostream>\nint main()\n{\nreturn 0;\n}\n");
         doc.setText(original);
         QVERIFY(doc.lines() == 6);
 
         doc.commentSelection(doc.documentRange(), {5, 0}, false, DocumentPrivate::ToggleComment);
         QCOMPARE(doc.text(), QStringLiteral("// #include<iostream>\n// int main()\n// {\n// return 0;\n// }\n"));
 
         doc.commentSelection(doc.documentRange(), {5, 0}, false, DocumentPrivate::ToggleComment);
         QCOMPARE(doc.text(), original);
 
         // Comment just a portion
         doc.commentSelection(Range(1, 0, 1, 3), Cursor(1, 3), false, DocumentPrivate::ToggleComment);
         QCOMPARE(doc.text(), QStringLiteral("#include<iostream>\n/*int*/ main()\n{\nreturn 0;\n}\n"));
         doc.commentSelection(Range(1, 0, 1, 7), Cursor(1, 3), false, DocumentPrivate::ToggleComment);
         QCOMPARE(doc.text(), original);
 
         // mixed, one line commented, one not => both get commented
         original = QStringLiteral(" // int main()\n{}");
         doc.setText(original);
         doc.commentSelection(doc.documentRange(), {1, 2}, false, DocumentPrivate::ToggleComment);
         QCOMPARE(doc.text(), QStringLiteral("//  // int main()\n// {}"));
         doc.commentSelection(doc.documentRange(), {1, 2}, false, DocumentPrivate::ToggleComment);
         // after uncommenting, we get original text back with one line commented
         QCOMPARE(doc.text(), original);
     }
 
     { // BUG: 458126
         KTextEditor::DocumentPrivate doc;
         doc.setText("another:\n\nanother2: hello");
         QVERIFY(doc.highlightingModes().contains(QStringLiteral("YAML")));
         doc.setHighlightingMode("YAML");
         const QString original = doc.text();
 
         doc.commentSelection(doc.documentRange(), {2, 0}, false, DocumentPrivate::ToggleComment);
         QCOMPARE(doc.text(), "# another:\n# \n# another2: hello");
 
         doc.commentSelection(doc.documentRange(), {2, 0}, false, DocumentPrivate::ToggleComment);
         QCOMPARE(doc.text(), original);
     }
 }
 
 void KateDocumentTest::testInsertTextTooLargeColumn()
 {
     KTextEditor::DocumentPrivate doc;
     const QString original = QStringLiteral("01234567\n01234567");
     doc.setText(original);
     QVERIFY(doc.lines() == 2);
     QCOMPARE(doc.text(), original);
 
     // try to insert text with initial \n at wrong column, did trigger invalid call to editWrapLine
     doc.insertText(KTextEditor::Cursor(0, 10), QStringLiteral("\nxxxx"));
     QCOMPARE(doc.text(), QStringLiteral("01234567  \nxxxx\n01234567"));
 }
 
 void KateDocumentTest::testBug468495()
 {
     // original
     const char o[] = R"(                0123456789abcdefghijkl
                 0123456789abcdefghijkl
                 012345678901234567890123456789)";
     // expected
     const char e[] = R"(                0123456789abcdefghijkl
 
                 0123456789abcdefghijkl
                 012345678901234567890123456789)";
 
     QString original = QString::fromLatin1(o);
     KTextEditor::DocumentPrivate doc;
     doc.setText(original);
     doc.config()->setIndentationMode(QStringLiteral("cstyle"));
     KTextEditor::ViewPrivate *v = static_cast<KTextEditor::ViewPrivate *>(doc.createView(nullptr));
     v->setCursorPosition({1, 0});
     v->keyReturn();
 
     QString afterIndent = doc.text();
     QCOMPARE(QString::fromLatin1(e), afterIndent);
 }
 
 #include "katedocument_test.moc"