Long live Qt 4.5!

10 files changed, 2171 insertions, 0 deletions

diff --git a/tests/auto/qtextedit/.gitignore b/tests/auto/qtextedit/.gitignore
new file mode 100644
index 0000000..8665a3a
--- /dev/null
+++ b/tests/auto/qtextedit/.gitignore
@@ -0,0 +1,2 @@
+tst_qtextedit
+foo.png
diff --git a/tests/auto/qtextedit/fullWidthSelection/centered-fully-selected.png b/tests/auto/qtextedit/fullWidthSelection/centered-fully-selected.png
new file mode 100644
index 0000000..7467478
--- /dev/null
+++ b/tests/auto/qtextedit/fullWidthSelection/centered-fully-selected.png
diff --git a/tests/auto/qtextedit/fullWidthSelection/centered-partly-selected.png b/tests/auto/qtextedit/fullWidthSelection/centered-partly-selected.png
new file mode 100644
index 0000000..7a10e63
--- /dev/null
+++ b/tests/auto/qtextedit/fullWidthSelection/centered-partly-selected.png
diff --git a/tests/auto/qtextedit/fullWidthSelection/last-char-on-line.png b/tests/auto/qtextedit/fullWidthSelection/last-char-on-line.png
new file mode 100644
index 0000000..df5b92e
--- /dev/null
+++ b/tests/auto/qtextedit/fullWidthSelection/last-char-on-line.png
diff --git a/tests/auto/qtextedit/fullWidthSelection/last-char-on-parag.png b/tests/auto/qtextedit/fullWidthSelection/last-char-on-parag.png
new file mode 100644
index 0000000..d58d4cc
--- /dev/null
+++ b/tests/auto/qtextedit/fullWidthSelection/last-char-on-parag.png
diff --git a/tests/auto/qtextedit/fullWidthSelection/multiple-full-width-lines.png b/tests/auto/qtextedit/fullWidthSelection/multiple-full-width-lines.png
new file mode 100644
index 0000000..c5c3c22
--- /dev/null
+++ b/tests/auto/qtextedit/fullWidthSelection/multiple-full-width-lines.png
diff --git a/tests/auto/qtextedit/fullWidthSelection/nowrap_long.png b/tests/auto/qtextedit/fullWidthSelection/nowrap_long.png
new file mode 100644
index 0000000..7ded254
--- /dev/null
+++ b/tests/auto/qtextedit/fullWidthSelection/nowrap_long.png
diff --git a/tests/auto/qtextedit/fullWidthSelection/single-full-width-line.png b/tests/auto/qtextedit/fullWidthSelection/single-full-width-line.png
new file mode 100644
index 0000000..d2fd629
--- /dev/null
+++ b/tests/auto/qtextedit/fullWidthSelection/single-full-width-line.png
diff --git a/tests/auto/qtextedit/qtextedit.pro b/tests/auto/qtextedit/qtextedit.pro
new file mode 100644
index 0000000..142dd47
--- /dev/null
+++ b/tests/auto/qtextedit/qtextedit.pro
@@ -0,0 +1,17 @@
+load(qttest_p4)
+
+INCLUDEPATH += ../
+
+HEADERS +=  
+SOURCES += tst_qtextedit.cpp 
+
+wince* {
+    DEFINES += SRCDIR=\\\"./\\\"
+    addImages.sources = fullWidthSelection/*
+    addImages.path = fullWidthSelection
+    DEPLOYMENT += addImages
+} else {
+    DEFINES += SRCDIR=\\\"$$PWD/\\\"
+}
+
+contains(QT_CONFIG, qt3support): QT += qt3support
diff --git a/tests/auto/qtextedit/tst_qtextedit.cpp b/tests/auto/qtextedit/tst_qtextedit.cpp
new file mode 100644
index 0000000..e61ff7b
--- /dev/null
+++ b/tests/auto/qtextedit/tst_qtextedit.cpp
@@ -0,0 +1,2152 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the test suite of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+
+#include <QtTest/QtTest>
+
+
+#include <qtextedit.h>
+#include <qtextcursor.h>
+#include <qtextlist.h>
+#include <qdebug.h>
+#include <qapplication.h>
+#include <qclipboard.h>
+#include <qtextbrowser.h>
+#include <private/qtextcontrol_p.h>
+#include <qscrollbar.h>
+#include <qtextobject.h>
+#include <qtexttable.h>
+#include <qpainter.h>
+#include <qimagereader.h>
+#include <qimagewriter.h>
+#include <qcommonstyle.h>
+
+#include <qabstracttextdocumentlayout.h>
+#include <qtextdocumentfragment.h>
+
+//Used in copyAvailable
+typedef QPair<Qt::Key, Qt::KeyboardModifier> keyPairType;
+typedef QList<keyPairType> pairListType;
+Q_DECLARE_METATYPE(pairListType);
+Q_DECLARE_METATYPE(keyPairType);
+Q_DECLARE_METATYPE(QList<bool>);
+
+#ifdef Q_WS_MAC
+#include <Carbon/Carbon.h>
+#endif
+
+
+bool nativeClipboardWorking()
+{
+#ifdef Q_WS_MAC
+    PasteboardRef pasteboard;
+    OSStatus status = PasteboardCreate(0, &pasteboard);
+    if (status == noErr)
+        CFRelease(pasteboard);
+    return status == noErr;
+#endif
+    return true;
+}
+
+
+QT_FORWARD_DECLARE_CLASS(QTextEdit)
+
+//TESTED_CLASS=
+//TESTED_FILES=
+
+class tst_QTextEdit : public QObject
+{
+    Q_OBJECT
+public:
+    tst_QTextEdit();
+
+public slots:
+    void init();
+    void cleanup();
+private slots:
+    void getSetCheck();
+    void inlineAttributesOnInsert();
+    void inlineAttributesOnSelection();
+    void inlineAttributeSymmetry();
+    void inlineAttributeSymmetryWithSelection();
+    void autoBulletList1();
+    void autoBulletList2();
+    void preserveCharFormatAfterNewline();
+    void clearMustNotChangeClipboard();
+    void clearMustNotResetRootFrameMarginToDefault();
+    void clearShouldPreserveTheCurrentCharFormat();
+    void clearShouldClearExtraSelections();
+    void paragSeparatorOnPlaintextAppend();
+    void layoutingLoop();
+    void selectAllSetsNotSelection();
+    void asciiTab();
+    void setDocument();
+    void setDocument_shared();
+    void mergeCurrentCharFormat();
+    void mergeCurrentBlockCharFormat();
+    void emptyAppend();
+    void appendOnEmptyDocumentShouldReuseInitialParagraph();
+#ifdef QT3_SUPPORT
+    void textSemantics();
+#endif
+    void cursorPositionChanged();
+    void setTextCursor();
+    void undoAvailableAfterPaste();
+    void undoRedoAvailableRepetition();
+    void appendShouldUseCurrentFormat();
+    void appendShouldNotTouchTheSelection();
+    void backspace();
+    void shiftBackspace();
+    void undoRedo();
+    void preserveCharFormatInAppend();
+    void copyAndSelectAllInReadonly();
+    void ctrlAltInput();
+    void noPropertiesOnDefaultTextEditCharFormat();
+    void setPlainTextShouldUseCurrentCharFormat();
+    void setPlainTextShouldEmitTextChangedOnce();
+    void overwriteMode();
+    void shiftDownInLineLastShouldSelectToEnd_data();
+    void shiftDownInLineLastShouldSelectToEnd();
+    void undoRedoShouldRepositionTextEditCursor();
+    void lineWrapModes();
+    void mouseCursorShape();
+    void implicitClear();
+    void undoRedoAfterSetContent();
+    void numPadKeyNavigation();
+    void moveCursor();
+    void mimeDataReimplementations();
+    void ctrlEnterShouldInsertLineSeparator_NOT();
+    void shiftEnterShouldInsertLineSeparator();
+    void selectWordsFromStringsContainingSeparators_data();
+    void selectWordsFromStringsContainingSeparators();
+    void canPaste();
+    void copyAvailable_data();
+    void copyAvailable();
+    void ensureCursorVisibleOnInitialShow();
+    void setHtmlInsideResizeEvent();
+    void colorfulAppend();
+    void ensureVisibleWithRtl();
+    void preserveCharFormatAfterSetPlainText();
+    void extraSelections();
+    void adjustScrollbars();
+    void currentCharFormatChanged();
+    void textObscuredByScrollbars();
+    void setTextPreservesUndoRedoEnabled();
+    void wordWrapProperty();
+    void lineWrapProperty();
+    void selectionChanged();
+    void copyPasteBackgroundImage();
+    void setText();
+    void fullWidthSelection_data();
+    void fullWidthSelection();
+    void fullWidthSelection2();
+    void cursorRect();
+    void setDocumentPreservesPalette();
+    void pasteFromQt3RichText();
+    void noWrapBackgrounds();
+    void preserveCharFormatAfterUnchangingSetPosition();
+
+private:
+    void createSelection();
+    int blockCount() const;
+    bool nativeClipboardWorking();
+    void compareWidgetAndImage(QTextEdit &widget, const QString &imageFileName);
+
+    QTextEdit *ed;
+    qreal rootFrameMargin;
+};
+
+bool tst_QTextEdit::nativeClipboardWorking()
+{
+#ifdef Q_WS_MAC
+    PasteboardRef pasteboard;
+    OSStatus status = PasteboardCreate(0, &pasteboard);
+    if (status == noErr)
+        CFRelease(pasteboard);
+    return status == noErr;
+#endif
+    return true;
+}
+
+// Testing get/set functions
+void tst_QTextEdit::getSetCheck()
+{
+    QTextEdit obj1;
+    // QTextDocument * QTextEdit::document()
+    // void QTextEdit::setDocument(QTextDocument *)
+    QTextDocument *var1 = new QTextDocument;
+    obj1.setDocument(var1);
+    QCOMPARE(var1, obj1.document());
+    obj1.setDocument((QTextDocument *)0);
+    QVERIFY(var1 != obj1.document()); // QTextEdit creates a new document when setting 0
+    QVERIFY((QTextDocument *)0 != obj1.document());
+    delete var1;
+
+    // AutoFormatting QTextEdit::autoFormatting()
+    // void QTextEdit::setAutoFormatting(AutoFormatting)
+    obj1.setAutoFormatting(QTextEdit::AutoFormatting(QTextEdit::AutoNone));
+    QCOMPARE(QTextEdit::AutoFormatting(QTextEdit::AutoNone), obj1.autoFormatting());
+    obj1.setAutoFormatting(QTextEdit::AutoFormatting(QTextEdit::AutoBulletList));
+    QCOMPARE(QTextEdit::AutoFormatting(QTextEdit::AutoBulletList), obj1.autoFormatting());
+    obj1.setAutoFormatting(QTextEdit::AutoFormatting(QTextEdit::AutoAll));
+    QCOMPARE(QTextEdit::AutoFormatting(QTextEdit::AutoAll), obj1.autoFormatting());
+
+    // bool QTextEdit::tabChangesFocus()
+    // void QTextEdit::setTabChangesFocus(bool)
+    obj1.setTabChangesFocus(false);
+    QCOMPARE(false, obj1.tabChangesFocus());
+    obj1.setTabChangesFocus(true);
+    QCOMPARE(true, obj1.tabChangesFocus());
+
+    // LineWrapMode QTextEdit::lineWrapMode()
+    // void QTextEdit::setLineWrapMode(LineWrapMode)
+    obj1.setLineWrapMode(QTextEdit::LineWrapMode(QTextEdit::NoWrap));
+    QCOMPARE(QTextEdit::LineWrapMode(QTextEdit::NoWrap), obj1.lineWrapMode());
+    obj1.setLineWrapMode(QTextEdit::LineWrapMode(QTextEdit::WidgetWidth));
+    QCOMPARE(QTextEdit::LineWrapMode(QTextEdit::WidgetWidth), obj1.lineWrapMode());
+    obj1.setLineWrapMode(QTextEdit::LineWrapMode(QTextEdit::FixedPixelWidth));
+    QCOMPARE(QTextEdit::LineWrapMode(QTextEdit::FixedPixelWidth), obj1.lineWrapMode());
+    obj1.setLineWrapMode(QTextEdit::LineWrapMode(QTextEdit::FixedColumnWidth));
+    QCOMPARE(QTextEdit::LineWrapMode(QTextEdit::FixedColumnWidth), obj1.lineWrapMode());
+
+    // int QTextEdit::lineWrapColumnOrWidth()
+    // void QTextEdit::setLineWrapColumnOrWidth(int)
+    obj1.setLineWrapColumnOrWidth(0);
+    QCOMPARE(0, obj1.lineWrapColumnOrWidth());
+    obj1.setLineWrapColumnOrWidth(INT_MIN);
+    QCOMPARE(INT_MIN, obj1.lineWrapColumnOrWidth());
+    obj1.setLineWrapColumnOrWidth(INT_MAX);
+    QCOMPARE(INT_MAX, obj1.lineWrapColumnOrWidth());
+
+    // bool QTextEdit::overwriteMode()
+    // void QTextEdit::setOverwriteMode(bool)
+    obj1.setOverwriteMode(false);
+    QCOMPARE(false, obj1.overwriteMode());
+    obj1.setOverwriteMode(true);
+    QCOMPARE(true, obj1.overwriteMode());
+
+    // int QTextEdit::tabStopWidth()
+    // void QTextEdit::setTabStopWidth(int)
+    obj1.setTabStopWidth(0);
+    QCOMPARE(0, obj1.tabStopWidth());
+    obj1.setTabStopWidth(INT_MIN);
+    QCOMPARE(0, obj1.tabStopWidth()); // Makes no sense to set a negative tabstop value
+#if defined(QT_ARCH_WINDOWSCE)
+    // due to rounding error in qRound when qreal==float
+    // we cannot use INT_MAX for this check
+    obj1.setTabStopWidth(SHRT_MAX*2);
+    QCOMPARE(SHRT_MAX*2, obj1.tabStopWidth());
+#else
+    obj1.setTabStopWidth(INT_MAX);
+    QCOMPARE(INT_MAX, obj1.tabStopWidth());
+#endif
+
+    // bool QTextEdit::acceptRichText()
+    // void QTextEdit::setAcceptRichText(bool)
+    obj1.setAcceptRichText(false);
+    QCOMPARE(false, obj1.acceptRichText());
+    obj1.setAcceptRichText(true);
+    QCOMPARE(true, obj1.acceptRichText());
+
+    // qreal QTextEdit::fontPointSize()
+    // void QTextEdit::setFontPointSize(qreal)
+    obj1.setFontPointSize(qreal(1.1));
+    QCOMPARE(qreal(1.1), obj1.fontPointSize());
+    // we currently Q_ASSERT_X in QFont::setPointSizeF for that
+    //obj1.setFontPointSize(0.0);
+    //QCOMPARE(1.1, obj1.fontPointSize()); // Should not accept 0.0 => keep old
+
+    // int QTextEdit::fontWeight()
+    // void QTextEdit::setFontWeight(int)
+    obj1.setFontWeight(1);
+    QCOMPARE(1, obj1.fontWeight()); // Range<1, 99>
+    obj1.setFontWeight(99);
+    QCOMPARE(99, obj1.fontWeight()); // Range<1, 99>
+    /* Q_ASSERT_X in qfont.cpp
+    obj1.setFontWeight(INT_MIN);
+    QCOMPARE(1, obj1.fontWeight()); // Range<1, 99>
+    obj1.setFontWeight(INT_MAX);
+    QCOMPARE(99, obj1.fontWeight()); // Range<1, 99>
+    */
+
+    // bool QTextEdit::fontUnderline()
+    // void QTextEdit::setFontUnderline(bool)
+    obj1.setFontUnderline(false);
+    QCOMPARE(false, obj1.fontUnderline());
+    obj1.setFontUnderline(true);
+    QCOMPARE(true, obj1.fontUnderline());
+
+    // bool QTextEdit::fontItalic()
+    // void QTextEdit::setFontItalic(bool)
+    obj1.setFontItalic(false);
+    QCOMPARE(false, obj1.fontItalic());
+    obj1.setFontItalic(true);
+    QCOMPARE(true, obj1.fontItalic());
+}
+
+class QtTestDocumentLayout : public QAbstractTextDocumentLayout
+{
+    Q_OBJECT
+public:
+    inline QtTestDocumentLayout(QTextEdit *edit, QTextDocument *doc, int &itCount)
+        : QAbstractTextDocumentLayout(doc), useBiggerSize(false), ed(edit), iterationCounter(itCount) {}
+
+    virtual void draw(QPainter *, const QAbstractTextDocumentLayout::PaintContext &)  {}
+
+    virtual int hitTest(const QPointF &, Qt::HitTestAccuracy ) const { return 0; }
+
+    virtual void documentChanged(int, int, int) {}
+
+    virtual int pageCount() const { return 1; }
+
+    virtual QSizeF documentSize() const { return usedSize; }
+
+    virtual QRectF frameBoundingRect(QTextFrame *) const { return QRectF(); }
+    virtual QRectF blockBoundingRect(const QTextBlock &) const { return QRectF(); }
+
+    bool useBiggerSize;
+    QSize usedSize;
+
+    QTextEdit *ed;
+
+    int &iterationCounter;
+};
+
+tst_QTextEdit::tst_QTextEdit()
+{}
+
+void tst_QTextEdit::init()
+{
+#ifdef Q_OS_WINCE //disable magic for WindowsCE
+    qApp->setAutoMaximizeThreshold(-1);
+#endif
+
+    ed = new QTextEdit(0);
+    rootFrameMargin = ed->document()->documentMargin();
+}
+
+void tst_QTextEdit::cleanup()
+{
+    delete ed;
+    ed = 0;
+}
+
+void tst_QTextEdit::inlineAttributesOnInsert()
+{
+    QVERIFY(ed->textCursor().charFormat().foreground().color() != Qt::blue);
+
+    ed->setTextColor(Qt::blue);
+    QTest::keyClick(ed, Qt::Key_A);
+
+    QVERIFY(ed->textCursor().charFormat().foreground().color() == Qt::blue);
+}
+
+void tst_QTextEdit::inlineAttributesOnSelection()
+{
+    createSelection();
+
+    ed->setFontItalic(true);
+
+    QVERIFY(ed->textCursor().charFormat().fontItalic());
+}
+
+void tst_QTextEdit::inlineAttributeSymmetry()
+{
+    ed->setFontPointSize(42.0);
+    QCOMPARE(double(ed->fontPointSize()), 42.0);
+
+    ed->setFontFamily("Test");
+    QCOMPARE(ed->fontFamily(), QString("Test"));
+
+    ed->setFontWeight(QFont::Bold);
+    QCOMPARE((int)ed->fontWeight(), (int)QFont::Bold);
+
+    ed->setFontUnderline(true);
+    QCOMPARE(ed->fontUnderline(), true);
+
+    ed->setFontItalic(true);
+    QCOMPARE(ed->fontItalic(), true);
+
+    ed->setTextColor(Qt::blue);
+    QCOMPARE(ed->textColor(), QColor(Qt::blue));
+
+    ed->setTextBackgroundColor(Qt::red);
+    QCOMPARE(ed->textBackgroundColor(), QColor(Qt::red));
+
+    ed->setAlignment(Qt::AlignRight);
+    QCOMPARE((int)ed->alignment(), (int)Qt::AlignRight);
+}
+
+void tst_QTextEdit::inlineAttributeSymmetryWithSelection()
+{
+    createSelection();
+
+    inlineAttributeSymmetry();
+}
+
+void tst_QTextEdit::autoBulletList1()
+{
+    ed->setAutoFormatting(QTextEdit::AutoBulletList);
+
+    QTest::keyClick(ed, Qt::Key_Return);
+    QTest::keyClicks(ed, "*This should become a list");
+
+    QVERIFY(ed->textCursor().currentList());
+    QVERIFY(ed->textCursor().currentList()->format().style() == QTextListFormat::ListDisc);
+}
+
+void tst_QTextEdit::autoBulletList2()
+{
+    ed->setAutoFormatting(QTextEdit::AutoNone);
+    QTest::keyClick(ed, Qt::Key_Return);
+    QTest::keyClicks(ed, "*This should NOT become a list");
+
+    QVERIFY(!ed->textCursor().currentList());
+}
+
+void tst_QTextEdit::preserveCharFormatAfterNewline()
+{
+    ed->setTextColor(Qt::blue);
+    QTest::keyClicks(ed, "Hello");
+
+    QTest::keyClick(ed, Qt::Key_Return);
+
+    QCOMPARE(ed->textColor(), QColor(Qt::blue));
+}
+
+void tst_QTextEdit::createSelection()
+{
+    QTest::keyClicks(ed, "Hello World");
+    /* go to start */
+#ifndef Q_WS_MAC
+    QTest::keyClick(ed, Qt::Key_Home, Qt::ControlModifier);
+#else
+    QTest::keyClick(ed, Qt::Key_Home);
+#endif
+    QCOMPARE(ed->textCursor().position(), 0);
+    /* select until end of text */
+#ifndef Q_WS_MAC
+    QTest::keyClick(ed, Qt::Key_End, Qt::ControlModifier | Qt::ShiftModifier);
+#else
+    QTest::keyClick(ed, Qt::Key_End, Qt::ShiftModifier);
+#endif
+    QCOMPARE(ed->textCursor().position(), 11);
+}
+
+void tst_QTextEdit::clearMustNotChangeClipboard()
+{
+    if (!nativeClipboardWorking())
+        QSKIP("Clipboard not working with cron-started unit tests", SkipAll);
+    ed->textCursor().insertText("Hello World");
+    QString txt("This is different text");
+    QApplication::clipboard()->setText(txt);
+    ed->clear();
+    QCOMPARE(QApplication::clipboard()->text(), txt);
+}
+
+void tst_QTextEdit::clearMustNotResetRootFrameMarginToDefault()
+{
+    QCOMPARE(ed->document()->rootFrame()->frameFormat().margin(), rootFrameMargin);
+    ed->clear();
+    QCOMPARE(ed->document()->rootFrame()->frameFormat().margin(), rootFrameMargin);
+}
+
+void tst_QTextEdit::clearShouldPreserveTheCurrentCharFormat()
+{
+    ed->setFontUnderline(true);
+    QVERIFY(ed->fontUnderline());
+    ed->clear();
+    QVERIFY(ed->fontUnderline());
+}
+
+void tst_QTextEdit::clearShouldClearExtraSelections()
+{
+    QTextEdit::ExtraSelection sel;
+    sel.cursor = ed->textCursor();
+    sel.format.setProperty(QTextFormat::FullWidthSelection, true);
+    ed->setExtraSelections(QList<QTextEdit::ExtraSelection>() << sel);
+    QCOMPARE(ed->extraSelections().count(), 1);
+    ed->clear();
+    QCOMPARE(ed->extraSelections().count(), 0);
+}
+
+void tst_QTextEdit::paragSeparatorOnPlaintextAppend()
+{
+    ed->append("Hello\nWorld");
+    int cnt = 0;
+    QTextBlock blk = ed->document()->begin();
+    while (blk.isValid()) {
+        ++cnt;
+        blk = blk.next();
+    }
+    QCOMPARE(cnt, 2);
+}
+
+void tst_QTextEdit::layoutingLoop()
+{
+    QPointer<QTextEdit> ed = new QTextEdit(0);
+    // this is a testcase for an ugly layouting problem, causing an infinite loop.
+    // QTextEdit's resizeEvent has a long comment about what and why it can happen.
+
+    int callsToSetPageSize = 0;
+
+    QTextDocument *doc = new QTextDocument;
+    QtTestDocumentLayout *lout = new QtTestDocumentLayout(ed, doc, callsToSetPageSize);
+    doc->setDocumentLayout(lout);
+    ed->setDocument(doc);
+
+    ed->show();
+    ed->resize(100, 100);
+
+    qApp->processEvents();
+    delete doc;
+    delete ed;
+
+    // ###### should need less!
+    QVERIFY(callsToSetPageSize < 10);
+}
+
+void tst_QTextEdit::selectAllSetsNotSelection()
+{
+    if (!QApplication::clipboard()->supportsSelection()) {
+        QSKIP("Test only relevant for systems with selection", SkipAll);
+        return;
+    }
+
+    QApplication::clipboard()->setText(QString("foobar"), QClipboard::Selection);
+    QVERIFY(QApplication::clipboard()->text(QClipboard::Selection) == QString("foobar"));
+
+    ed->insertPlainText("Hello World");
+    ed->selectAll();
+
+    QCOMPARE(QApplication::clipboard()->text(QClipboard::Selection), QString::fromAscii("foobar"));
+}
+
+void tst_QTextEdit::asciiTab()
+{
+    QTextEdit edit;
+    edit.setPlainText("\t");
+    edit.show();
+    qApp->processEvents();
+    QCOMPARE(edit.toPlainText().at(0), QChar('\t'));
+}
+
+void tst_QTextEdit::setDocument()
+{
+    QTextDocument *document = new QTextDocument(ed);
+    QCOMPARE(document->isModified(), false);
+    QCOMPARE(document->isUndoAvailable(), false);
+    QTextCursor(document).insertText("Test");
+    QCOMPARE(document->isUndoAvailable(), true);
+    QCOMPARE(document->isModified(), true);
+    ed->setDocument(document);
+    QCOMPARE(ed->toPlainText(), QString("Test"));
+    QCOMPARE(document->isUndoAvailable(), true);
+    QCOMPARE(document->isModified(), true);
+}
+
+void tst_QTextEdit::setDocument_shared()
+{
+    QTextDocument *document = new QTextDocument(ed);
+    QCOMPARE(document->isModified(), false);
+    QCOMPARE(document->isUndoAvailable(), false);
+    QTextCursor(document).insertText("Test");
+    QCOMPARE(document->isUndoAvailable(), true);
+    document->setModified(false);
+    ed->setDocument(document);
+    QCOMPARE(ed->toPlainText(), QString("Test"));
+    QCOMPARE(document->isUndoAvailable(), true);
+    QCOMPARE(document->isModified(), false);
+    QTextCursor(document).insertText("Test2");
+    QCOMPARE(document->isModified(), true);
+    QTextEdit editor2;
+    editor2.setDocument(document);
+    QCOMPARE(document->isUndoAvailable(), true);
+    QCOMPARE(document->isModified(), true);
+}
+
+void tst_QTextEdit::mergeCurrentCharFormat()
+{
+    ed->setPlainText("Hello Test World");
+    QTextCursor cursor = ed->textCursor();
+    cursor.setPosition(7);
+    ed->setTextCursor(cursor);
+
+    QTextCharFormat mod;
+    mod.setFontItalic(true);
+    mod.setForeground(Qt::red);
+    ed->mergeCurrentCharFormat(mod);
+
+    cursor.movePosition(QTextCursor::Right);
+    cursor.movePosition(QTextCursor::Right);
+    // do NOT select the current word under the cursor, /JUST/
+    // call mergeCharFormat on the cursor
+    QVERIFY(!cursor.charFormat().fontItalic());
+    QVERIFY(cursor.charFormat().foreground().color() != Qt::red);
+}
+
+void tst_QTextEdit::mergeCurrentBlockCharFormat()
+{
+    ed->setPlainText("FirstLine\n\nThirdLine");
+    QTextCursor cursor = ed->textCursor();
+    cursor.movePosition(QTextCursor::Start);
+    cursor.movePosition(QTextCursor::Down);
+
+    // make sure we're in the empty second line
+    QVERIFY(cursor.atBlockStart());
+    QVERIFY(cursor.atBlockEnd());
+
+    ed->setTextCursor(cursor);
+
+    QTextCharFormat mod;
+    mod.setForeground(Qt::red);
+    ed->mergeCurrentCharFormat(mod);
+
+    QVERIFY(cursor.blockCharFormat().foreground().color() != Qt::red);
+    cursor.movePosition(QTextCursor::Up);
+    QVERIFY(cursor.blockCharFormat().foreground().color() != Qt::red);
+    cursor.movePosition(QTextCursor::Down);
+    cursor.movePosition(QTextCursor::Down);
+    QVERIFY(cursor.blockCharFormat().foreground().color() != Qt::red);
+}
+
+int tst_QTextEdit::blockCount() const
+{
+    int blocks = 0;
+    for (QTextBlock block = ed->document()->begin(); block.isValid(); block = block.next())
+        ++blocks;
+    return blocks;
+}
+
+// Supporter issue #56783
+void tst_QTextEdit::emptyAppend()
+{
+    ed->append("Blah");
+    QCOMPARE(blockCount(), 1);
+    ed->append(QString::null);
+    QCOMPARE(blockCount(), 2);
+    ed->append(QString("   "));
+    QCOMPARE(blockCount(), 3);
+}
+
+void tst_QTextEdit::appendOnEmptyDocumentShouldReuseInitialParagraph()
+{
+    QCOMPARE(blockCount(), 1);
+    ed->append("Blah");
+    QCOMPARE(blockCount(), 1);
+}
+
+#ifdef QT3_SUPPORT
+void tst_QTextEdit::textSemantics()
+{
+    ed->setTextFormat(Qt::AutoText);
+
+    ed->setPlainText("Hello World");
+    QVERIFY(!Qt::mightBeRichText(ed->text()));
+
+    ed->setHtml("<b>Hey</b>");
+    QVERIFY(Qt::mightBeRichText(ed->text()));
+}
+#endif
+
+class CursorPositionChangedRecorder : public QObject
+{
+    Q_OBJECT
+public:
+    inline CursorPositionChangedRecorder(QTextEdit *ed)
+        : editor(ed)
+    {
+        connect(editor, SIGNAL(cursorPositionChanged()), this, SLOT(recordCursorPos()));
+    }
+
+    QList<int> cursorPositions;
+
+private slots:
+    void recordCursorPos()
+    {
+        cursorPositions.append(editor->textCursor().position());
+    }
+
+private:
+    QTextEdit *editor;
+};
+
+void tst_QTextEdit::cursorPositionChanged()
+{
+    QSignalSpy spy(ed, SIGNAL(cursorPositionChanged()));
+    ed->show();
+
+    spy.clear();
+    QTest::keyClick(ed, Qt::Key_A);
+    QCOMPARE(spy.count(), 1);
+
+    QTextCursor cursor = ed->textCursor();
+    cursor.movePosition(QTextCursor::Start);
+    ed->setTextCursor(cursor);
+    cursor.movePosition(QTextCursor::End);
+    spy.clear();
+    cursor.insertText("Test");
+    QCOMPARE(spy.count(), 0);
+
+    cursor.movePosition(QTextCursor::End);
+    ed->setTextCursor(cursor);
+    cursor.movePosition(QTextCursor::Start);
+    spy.clear();
+    cursor.insertText("Test");
+    QCOMPARE(spy.count(), 1);
+
+    spy.clear();
+    QTest::keyClick(ed, Qt::Key_Left);
+    QCOMPARE(spy.count(), 1);
+
+    cursor.movePosition(QTextCursor::Start);
+    ed->setTextCursor(cursor);
+    spy.clear();
+    QVERIFY(!ed->textCursor().hasSelection());
+    QTest::mouseDClick(ed->viewport(), Qt::LeftButton, 0, ed->cursorRect().center());
+    QVERIFY(ed->textCursor().hasSelection());
+
+    QCOMPARE(spy.count(), 1);
+
+    CursorPositionChangedRecorder spy2(ed);
+    QVERIFY(ed->textCursor().position() > 0);
+    ed->setPlainText("Hello World");
+    QCOMPARE(spy2.cursorPositions.count(), 1);
+    QCOMPARE(spy2.cursorPositions.at(0), 0);
+    QCOMPARE(ed->textCursor().position(), 0);
+}
+
+void tst_QTextEdit::setTextCursor()
+{
+    QSignalSpy spy(ed, SIGNAL(cursorPositionChanged()));
+
+    ed->setPlainText("Test");
+    QTextCursor cursor = ed->textCursor();
+    cursor.movePosition(QTextCursor::Start);
+    cursor.movePosition(QTextCursor::NextCharacter);
+
+    spy.clear();
+
+    ed->setTextCursor(cursor);
+    QCOMPARE(spy.count(), 1);
+}
+
+void tst_QTextEdit::undoAvailableAfterPaste()
+{
+    if (!nativeClipboardWorking())
+        QSKIP("Clipboard not working with cron-started unit tests", SkipAll);
+
+    QSignalSpy spy(ed->document(), SIGNAL(undoAvailable(bool)));
+
+    const QString txt("Test");
+    QApplication::clipboard()->setText(txt);
+    ed->paste();
+    QVERIFY(spy.count() >= 1);
+    QCOMPARE(ed->toPlainText(), txt);
+}
+
+class UndoRedoRecorder : public QObject
+{
+    Q_OBJECT
+public:
+    UndoRedoRecorder(QTextDocument *doc)
+        : undoRepetitions(false)
+        , redoRepetitions(false)
+        , undoCount(0)
+        , redoCount(0)
+    {
+        connect(doc, SIGNAL(undoAvailable(bool)), this, SLOT(undoAvailable(bool)));
+        connect(doc, SIGNAL(redoAvailable(bool)), this, SLOT(redoAvailable(bool)));
+    }
+
+    bool undoRepetitions;
+    bool redoRepetitions;
+
+private slots:
+    void undoAvailable(bool enabled) {
+        if (undoCount > 0 && enabled == lastUndoEnabled)
+            undoRepetitions = true;
+
+        ++undoCount;
+        lastUndoEnabled = enabled;
+    }
+
+    void redoAvailable(bool enabled) {
+        if (redoCount > 0 && enabled == lastRedoEnabled)
+            redoRepetitions = true;
+
+        ++redoCount;
+        lastRedoEnabled = enabled;
+    }
+
+private:
+    bool lastUndoEnabled;
+    bool lastRedoEnabled;
+
+    int undoCount;
+    int redoCount;
+};
+
+void tst_QTextEdit::undoRedoAvailableRepetition()
+{
+    UndoRedoRecorder spy(ed->document());
+
+    ed->textCursor().insertText("ABC\n\nDEF\n\nGHI\n");
+    ed->textCursor().insertText("foo\n");
+    ed->textCursor().insertText("bar\n");
+    ed->undo(); ed->undo(); ed->undo();
+    ed->redo(); ed->redo(); ed->redo();
+
+    QVERIFY(!spy.undoRepetitions);
+    QVERIFY(!spy.redoRepetitions);
+}
+
+void tst_QTextEdit::appendShouldUseCurrentFormat()
+{
+    ed->textCursor().insertText("A");
+    QTextCharFormat fmt;
+    fmt.setForeground(Qt::blue);
+    fmt.setFontItalic(true);
+    ed->setCurrentCharFormat(fmt);
+    ed->append("Hello");
+
+    QTextCursor cursor(ed->document());
+
+    QVERIFY(cursor.movePosition(QTextCursor::NextCharacter));
+    QVERIFY(cursor.charFormat().foreground().color() != Qt::blue);
+    QVERIFY(!cursor.charFormat().fontItalic());
+
+    QVERIFY(cursor.movePosition(QTextCursor::NextBlock));
+
+    {
+        QTextCursor tmp = cursor;
+        tmp.movePosition(QTextCursor::End, QTextCursor::KeepAnchor);
+        QCOMPARE(tmp.selectedText(), QString::fromLatin1("Hello"));
+    }
+
+    QVERIFY(cursor.movePosition(QTextCursor::NextCharacter));
+    QVERIFY(cursor.charFormat().foreground().color() == Qt::blue);
+    QVERIFY(cursor.charFormat().fontItalic());
+}
+
+void tst_QTextEdit::appendShouldNotTouchTheSelection()
+{
+    QTextCursor cursor(ed->document());
+    QTextCharFormat fmt;
+    fmt.setForeground(Qt::blue);
+    cursor.insertText("H", fmt);
+    fmt.setForeground(Qt::red);
+    cursor.insertText("ey", fmt);
+
+    cursor.insertText("some random text inbetween");
+
+    cursor.movePosition(QTextCursor::Start);
+    cursor.movePosition(QTextCursor::NextCharacter, QTextCursor::KeepAnchor);
+    QCOMPARE(cursor.charFormat().foreground().color(), QColor(Qt::blue));
+    cursor.movePosition(QTextCursor::NextCharacter, QTextCursor::KeepAnchor);
+    QCOMPARE(cursor.charFormat().foreground().color(), QColor(Qt::red));
+    cursor.movePosition(QTextCursor::NextCharacter, QTextCursor::KeepAnchor);
+    QCOMPARE(cursor.charFormat().foreground().color(), QColor(Qt::red));
+    QCOMPARE(cursor.selectedText(), QString("Hey"));
+
+    ed->setTextCursor(cursor);
+    QVERIFY(ed->textCursor().hasSelection());
+
+    ed->append("<b>Some Bold Text</b>");
+    cursor.movePosition(QTextCursor::Start);
+    cursor.movePosition(QTextCursor::NextCharacter);
+    QCOMPARE(cursor.charFormat().foreground().color(), QColor(Qt::blue));
+}
+
+void tst_QTextEdit::backspace()
+{
+    QTextCursor cursor = ed->textCursor();
+
+    QTextListFormat listFmt;
+    listFmt.setStyle(QTextListFormat::ListDisc);
+    listFmt.setIndent(1);
+    cursor.insertList(listFmt);
+    cursor.insertText("A");
+
+    ed->setTextCursor(cursor);
+
+    // delete 'A'
+    QTest::keyClick(ed, Qt::Key_Backspace);
+    QVERIFY(ed->textCursor().currentList());
+    // delete list
+    QTest::keyClick(ed, Qt::Key_Backspace);
+    QVERIFY(!ed->textCursor().currentList());
+    QCOMPARE(ed->textCursor().blockFormat().indent(), 1);
+    // outdent paragraph
+    QTest::keyClick(ed, Qt::Key_Backspace);
+    QCOMPARE(ed->textCursor().blockFormat().indent(), 0);
+}
+
+void tst_QTextEdit::shiftBackspace()
+{
+    QTextCursor cursor = ed->textCursor();
+
+    QTextListFormat listFmt;
+    listFmt.setStyle(QTextListFormat::ListDisc);
+    listFmt.setIndent(1);
+    cursor.insertList(listFmt);
+    cursor.insertText("A");
+
+    ed->setTextCursor(cursor);
+
+    // delete 'A'
+    QTest::keyClick(ed, Qt::Key_Backspace, Qt::ShiftModifier);
+    QVERIFY(ed->textCursor().currentList());
+    // delete list
+    QTest::keyClick(ed, Qt::Key_Backspace, Qt::ShiftModifier);
+    QVERIFY(!ed->textCursor().currentList());
+    QCOMPARE(ed->textCursor().blockFormat().indent(), 1);
+    // outdent paragraph
+    QTest::keyClick(ed, Qt::Key_Backspace, Qt::ShiftModifier);
+    QCOMPARE(ed->textCursor().blockFormat().indent(), 0);
+}
+
+void tst_QTextEdit::undoRedo()
+{
+    ed->clear();
+    QTest::keyClicks(ed, "abc d");
+    QCOMPARE(ed->toPlainText(), QString("abc d"));
+    ed->undo();
+    QCOMPARE(ed->toPlainText(), QString());
+    ed->redo();
+    QCOMPARE(ed->toPlainText(), QString("abc d"));
+#ifdef Q_WS_WIN
+    // shortcut for undo
+    QTest::keyClick(ed, Qt::Key_Backspace, Qt::AltModifier);
+    QCOMPARE(ed->toPlainText(), QString());
+    // shortcut for redo
+    QTest::keyClick(ed, Qt::Key_Backspace, Qt::ShiftModifier|Qt::AltModifier);
+    QCOMPARE(ed->toPlainText(), QString("abc d"));
+#endif
+}
+
+// Task #70465
+void tst_QTextEdit::preserveCharFormatInAppend()
+{
+    ed->append("First para");
+    ed->append("<b>Second para</b>");
+    ed->append("third para");
+
+    QTextCursor cursor(ed->textCursor());
+
+    cursor.movePosition(QTextCursor::Start);
+    cursor.movePosition(QTextCursor::NextCharacter);
+    QCOMPARE(cursor.charFormat().fontWeight(), (int)QFont::Normal);
+    QCOMPARE(cursor.block().text(), QString("First para"));
+
+    cursor.movePosition(QTextCursor::NextBlock);
+    cursor.movePosition(QTextCursor::NextCharacter);
+    QCOMPARE(cursor.charFormat().fontWeight(), (int)QFont::Bold);
+    QCOMPARE(cursor.block().text(), QString("Second para"));
+
+    cursor.movePosition(QTextCursor::NextBlock);
+    cursor.movePosition(QTextCursor::NextCharacter);
+    QCOMPARE(cursor.charFormat().fontWeight(), (int)QFont::Normal);
+    QCOMPARE(cursor.block().text(), QString("third para"));
+}
+
+void tst_QTextEdit::copyAndSelectAllInReadonly()
+{
+    if (!nativeClipboardWorking())
+        QSKIP("Clipboard not working with cron-started unit tests", SkipAll);
+
+    ed->setReadOnly(true);
+    ed->setPlainText("Hello World");
+
+    QTextCursor cursor = ed->textCursor();
+    cursor.clearSelection();
+    ed->setTextCursor(cursor);
+    QVERIFY(!ed->textCursor().hasSelection());
+
+    QCOMPARE(ed->toPlainText(), QString("Hello World"));
+
+    // shouldn't do anything
+    QTest::keyClick(ed, Qt::Key_A);
+
+    QCOMPARE(ed->toPlainText(), QString("Hello World"));
+
+    QTest::keyClick(ed, Qt::Key_A, Qt::ControlModifier);
+
+    QVERIFY(ed->textCursor().hasSelection());
+
+    QApplication::clipboard()->setText(QString());
+    QVERIFY(QApplication::clipboard()->text().isEmpty());
+
+    QTest::keyClick(ed, Qt::Key_C, Qt::ControlModifier);
+    QCOMPARE(QApplication::clipboard()->text(), QString("Hello World"));
+}
+
+void tst_QTextEdit::ctrlAltInput()
+{
+    QTest::keyClick(ed, Qt::Key_At, Qt::ControlModifier | Qt::AltModifier);
+    QCOMPARE(ed->toPlainText(), QString("@"));
+}
+
+void tst_QTextEdit::noPropertiesOnDefaultTextEditCharFormat()
+{
+    // there should be no properties set on the default/initial char format
+    // on a text edit. Font properties instead should be taken from the
+    // widget's font (in sync with defaultFont property in document) and the
+    // foreground color should be taken from the palette.
+    QCOMPARE(ed->currentCharFormat().properties().count(), 0);
+}
+
+void tst_QTextEdit::setPlainTextShouldUseCurrentCharFormat()
+{
+    ed->setFontUnderline(true);
+    ed->setPlainText("Hello World");
+    QTextCursor cursor(ed->document());
+    cursor.movePosition(QTextCursor::NextCharacter);
+    QCOMPARE(cursor.charFormat().fontUnderline(), true);
+
+    ed->setHtml("<p style=\"color:blue\">Foo</p>");
+    ed->setPlainText("Hello World");
+    cursor = QTextCursor(ed->document());
+    cursor.movePosition(QTextCursor::NextCharacter);
+    QCOMPARE(cursor.charFormat().fontUnderline(), true);
+}
+
+void tst_QTextEdit::setPlainTextShouldEmitTextChangedOnce()
+{
+    QSignalSpy spy(ed, SIGNAL(textChanged()));
+    ed->setPlainText("Yankee Doodle");
+    QCOMPARE(spy.count(), 1);
+    ed->setPlainText("");
+    QCOMPARE(spy.count(), 2);
+}
+
+void tst_QTextEdit::overwriteMode()
+{
+    QVERIFY(!ed->overwriteMode());
+    QTest::keyClicks(ed, "Some first text");
+
+    QCOMPARE(ed->toPlainText(), QString("Some first text"));
+
+    ed->setOverwriteMode(true);
+
+    QTextCursor cursor = ed->textCursor();
+    cursor.setPosition(5);
+    ed->setTextCursor(cursor);
+
+    QTest::keyClicks(ed, "shiny");
+    QCOMPARE(ed->toPlainText(), QString("Some shiny text"));
+
+    cursor.movePosition(QTextCursor::End);
+    ed->setTextCursor(cursor);
+
+    QTest::keyClick(ed, Qt::Key_Enter);
+
+    ed->setOverwriteMode(false);
+    QTest::keyClicks(ed, "Second paragraph");
+
+    QCOMPARE(blockCount(), 2);
+
+    cursor.movePosition(QTextCursor::Start);
+    cursor.movePosition(QTextCursor::EndOfBlock);
+
+    QCOMPARE(cursor.position(), 15);
+    ed->setTextCursor(cursor);
+
+    ed->setOverwriteMode(true);
+
+    QTest::keyClicks(ed, " blah");
+
+    QCOMPARE(blockCount(), 2);
+
+    QTextBlock block = ed->document()->begin();
+    QCOMPARE(block.text(), QString("Some shiny text blah"));
+    block = block.next();
+    QCOMPARE(block.text(), QString("Second paragraph"));
+}
+
+void tst_QTextEdit::shiftDownInLineLastShouldSelectToEnd_data()
+{
+    // shift cursor-down in the last line should select to the end of the document
+
+    QTest::addColumn<QString>("input");
+    QTest::addColumn<int>("totalLineCount");
+
+    QTest::newRow("1") << QString("Foo\nBar") << 2;
+    QTest::newRow("2") << QString("Foo\nBar") + QChar(QChar::LineSeparator) + QString("Baz") << 3;
+}
+
+void tst_QTextEdit::shiftDownInLineLastShouldSelectToEnd()
+{
+    QFETCH(QString, input);
+    QFETCH(int, totalLineCount);
+
+    ed->setPlainText(input);
+    ed->show();
+
+    // ensure we're layouted
+    ed->document()->documentLayout()->documentSize();
+
+    QCOMPARE(blockCount(), 2);
+
+    int lineCount = 0;
+    for (QTextBlock block = ed->document()->begin(); block.isValid(); block = block.next())
+        lineCount += block.layout()->lineCount();
+    QCOMPARE(lineCount, totalLineCount);
+
+    QTextCursor cursor = ed->textCursor();
+    cursor.movePosition(QTextCursor::Start);
+    ed->setTextCursor(cursor);
+
+    for (int i = 0; i < lineCount; ++i) {
+        QTest::keyClick(ed, Qt::Key_Down, Qt::ShiftModifier);
+    }
+
+    input.replace(QLatin1Char('\n'), QChar(QChar::ParagraphSeparator));
+    QCOMPARE(ed->textCursor().selectedText(), input);
+    QVERIFY(ed->textCursor().atEnd());
+
+    // also test that without shift modifier the cursor does not move to the end
+    // for Key_Down in the last line
+    cursor.movePosition(QTextCursor::Start);
+    ed->setTextCursor(cursor);
+    for (int i = 0; i < lineCount; ++i) {
+        QTest::keyClick(ed, Qt::Key_Down);
+    }
+    QVERIFY(!ed->textCursor().atEnd());
+}
+
+void tst_QTextEdit::undoRedoShouldRepositionTextEditCursor()
+{
+    ed->setPlainText("five\nlines\nin\nthis\ntextedit");
+    QTextCursor cursor = ed->textCursor();
+    cursor.movePosition(QTextCursor::Start);
+
+    ed->setUndoRedoEnabled(false);
+    ed->setUndoRedoEnabled(true);
+
+    QVERIFY(!ed->document()->isUndoAvailable());
+    QVERIFY(!ed->document()->isRedoAvailable());
+
+    cursor.insertText("Blah");
+
+    QVERIFY(ed->document()->isUndoAvailable());
+    QVERIFY(!ed->document()->isRedoAvailable());
+
+    cursor.movePosition(QTextCursor::End);
+    ed->setTextCursor(cursor);
+
+    QVERIFY(QMetaObject::invokeMethod(ed, "undo"));
+
+    QVERIFY(!ed->document()->isUndoAvailable());
+    QVERIFY(ed->document()->isRedoAvailable());
+
+    QCOMPARE(ed->textCursor().position(), 0);
+
+    cursor.movePosition(QTextCursor::End);
+    ed->setTextCursor(cursor);
+
+    QVERIFY(QMetaObject::invokeMethod(ed, "redo"));
+
+    QVERIFY(ed->document()->isUndoAvailable());
+    QVERIFY(!ed->document()->isRedoAvailable());
+
+    QCOMPARE(ed->textCursor().position(), 4);
+}
+
+void tst_QTextEdit::lineWrapModes()
+{
+    ed->setLineWrapMode(QTextEdit::NoWrap);
+    // NoWrap at the same time as having all lines that are all left aligned means we optimize to only layout once. The effect is that the width is always 0
+    QVERIFY(ed->document()->pageSize().width() == qreal(0));
+
+    QTextCursor cursor = QTextCursor(ed->document());
+    cursor.insertText(QString("A simple line"));
+    cursor.insertBlock();
+    QTextBlockFormat fmt;
+    fmt.setAlignment(Qt::AlignRight);
+    cursor.mergeBlockFormat(fmt);
+    cursor.insertText(QString("Another line"));
+    ed->show(); // relayout;
+    QVERIFY(ed->document()->pageSize().width() > qreal(0));
+
+    ed->setLineWrapColumnOrWidth(10);
+    ed->setLineWrapMode(QTextEdit::FixedColumnWidth);
+    QVERIFY(!qIsNull(ed->document()->pageSize().width()));
+
+    ed->setLineWrapColumnOrWidth(1000);
+    ed->setLineWrapMode(QTextEdit::FixedPixelWidth);
+    QCOMPARE(ed->document()->pageSize().width(), qreal(1000));
+}
+
+void tst_QTextEdit::mouseCursorShape()
+{
+#ifndef QT_NO_CURSOR
+    // always show an IBeamCursor, see change 170146
+    QVERIFY(!ed->isReadOnly());
+    QVERIFY(ed->viewport()->cursor().shape() == Qt::IBeamCursor);
+
+    ed->setReadOnly(true);
+    QVERIFY(ed->viewport()->cursor().shape() == Qt::IBeamCursor);
+
+    ed->setPlainText("Foo");
+    QVERIFY(ed->viewport()->cursor().shape() == Qt::IBeamCursor);
+#endif
+}
+
+void tst_QTextEdit::implicitClear()
+{
+    // test that QTextEdit::setHtml, etc. avoid calling clear() but instead call
+    // QTextDocument::setHtml/etc. instead, which also clear the contents and
+    // cached resource but preserve manually added resources. setHtml on a textedit
+    // should behave the same as on a document with respect to that.
+    // see also clearResources() autotest in qtextdocument
+
+    // regular resource for QTextDocument
+    QUrl testUrl(":/foobar");
+    QVariant testResource("hello world");
+
+    ed->document()->addResource(QTextDocument::ImageResource, testUrl, testResource);
+    QVERIFY(ed->document()->resource(QTextDocument::ImageResource, testUrl) == testResource);
+
+    ed->setPlainText("Blah");
+    QVERIFY(ed->document()->resource(QTextDocument::ImageResource, testUrl) == testResource);
+
+    ed->setPlainText("<b>Blah</b>");
+    QVERIFY(ed->document()->resource(QTextDocument::ImageResource, testUrl) == testResource);
+
+    ed->clear();
+    QVERIFY(!ed->document()->resource(QTextDocument::ImageResource, testUrl).isValid());
+    QVERIFY(ed->toPlainText().isEmpty());
+}
+
+void tst_QTextEdit::copyAvailable_data()
+{
+    QTest::addColumn<pairListType>("keystrokes");
+    QTest::addColumn<QList<bool> >("copyAvailable");
+    QTest::addColumn<QString>("function");
+
+    pairListType keystrokes;
+    QList<bool> copyAvailable;
+
+    keystrokes << qMakePair(Qt::Key_B, Qt::NoModifier) <<  qMakePair(Qt::Key_B, Qt::NoModifier)
+               << qMakePair(Qt::Key_Left, Qt::ShiftModifier);
+    copyAvailable << true ;
+    QTest::newRow(QString("Case1 B,B, <- + shift | signals: true").toLatin1())
+        << keystrokes << copyAvailable << QString();
+
+    keystrokes.clear();
+    copyAvailable.clear();
+
+    keystrokes << qMakePair(Qt::Key_T, Qt::NoModifier) << qMakePair(Qt::Key_A, Qt::NoModifier)
+               <<  qMakePair(Qt::Key_A, Qt::NoModifier) << qMakePair(Qt::Key_Left, Qt::ShiftModifier);
+    copyAvailable << true << false;
+    QTest::newRow(QString("Case2 T,A,A, <- + shift, cut() | signals: true, false").toLatin1())
+        << keystrokes << copyAvailable << QString("cut");
+
+    keystrokes.clear();
+    copyAvailable.clear();
+
+    keystrokes << qMakePair(Qt::Key_T, Qt::NoModifier) << qMakePair(Qt::Key_A, Qt::NoModifier)
+               <<  qMakePair(Qt::Key_A, Qt::NoModifier) << qMakePair(Qt::Key_Left, Qt::ShiftModifier)
+               << qMakePair(Qt::Key_Left, Qt::ShiftModifier)  << qMakePair(Qt::Key_Left, Qt::ShiftModifier);
+    copyAvailable << true;
+    QTest::newRow(QString("Case3 T,A,A, <- + shift, <- + shift, <- + shift, copy() | signals: true").toLatin1())
+        << keystrokes << copyAvailable << QString("copy");
+
+    keystrokes.clear();
+    copyAvailable.clear();
+
+    keystrokes << qMakePair(Qt::Key_T, Qt::NoModifier) << qMakePair(Qt::Key_A, Qt::NoModifier)
+               <<  qMakePair(Qt::Key_A, Qt::NoModifier) << qMakePair(Qt::Key_Left, Qt::ShiftModifier)
+               << qMakePair(Qt::Key_Left, Qt::ShiftModifier)  << qMakePair(Qt::Key_Left, Qt::ShiftModifier)
+               << qMakePair(Qt::Key_X, Qt::ControlModifier);
+    copyAvailable << true << false;
+    QTest::newRow(QString("Case4 T,A,A, <- + shift, <- + shift, <- + shift, ctrl + x, paste() | signals: true, false").toLatin1())
+        << keystrokes << copyAvailable << QString("paste");
+
+    keystrokes.clear();
+    copyAvailable.clear();
+
+    keystrokes << qMakePair(Qt::Key_B, Qt::NoModifier) <<  qMakePair(Qt::Key_B, Qt::NoModifier)
+               << qMakePair(Qt::Key_Left, Qt::ShiftModifier) << qMakePair(Qt::Key_Left, Qt::NoModifier);
+    copyAvailable << true << false;
+    QTest::newRow(QString("Case5 B,B, <- + shift, <- | signals: true, false").toLatin1())
+        << keystrokes << copyAvailable << QString();
+
+    keystrokes.clear();
+    copyAvailable.clear();
+
+    keystrokes << qMakePair(Qt::Key_B, Qt::NoModifier) <<  qMakePair(Qt::Key_A, Qt::NoModifier)
+               << qMakePair(Qt::Key_Left, Qt::ShiftModifier) << qMakePair(Qt::Key_Left, Qt::NoModifier)
+               << qMakePair(Qt::Key_Right, Qt::ShiftModifier);
+    copyAvailable << true << false << true << false;
+    QTest::newRow(QString("Case6 B,A, <- + shift, ->, <- + shift | signals: true, false, true, false").toLatin1())
+        << keystrokes << copyAvailable << QString("cut");
+
+    keystrokes.clear();
+    copyAvailable.clear();
+
+    keystrokes << qMakePair(Qt::Key_T, Qt::NoModifier) << qMakePair(Qt::Key_A, Qt::NoModifier)
+               <<  qMakePair(Qt::Key_A, Qt::NoModifier) << qMakePair(Qt::Key_Left, Qt::ShiftModifier)
+               << qMakePair(Qt::Key_Left, Qt::ShiftModifier)  << qMakePair(Qt::Key_Left, Qt::ShiftModifier)
+               << qMakePair(Qt::Key_X, Qt::ControlModifier);
+    copyAvailable << true << false << true;
+    QTest::newRow(QString("Case7 T,A,A, <- + shift, <- + shift, <- + shift, ctrl + x, undo() | signals: true, false, true").toLatin1())
+        << keystrokes << copyAvailable << QString("undo");
+}
+
+//Tests the copyAvailable slot for several cases
+void tst_QTextEdit::copyAvailable()
+{
+    QFETCH(pairListType,keystrokes);
+    QFETCH(QList<bool>, copyAvailable);
+    QFETCH(QString, function);
+
+#ifdef Q_WS_MAC
+    QSKIP("copyAvailable has never passed on Mac, task to fix is 132482", SkipAll);
+#endif
+    ed->clear();
+    QApplication::clipboard()->clear();
+    QVERIFY(!ed->canPaste());
+    QSignalSpy spyCopyAvailabe(ed, SIGNAL(copyAvailable(bool)));
+
+    //Execute Keystrokes
+    foreach(keyPairType keyPair, keystrokes) {
+        QTest::keyClick(ed, keyPair.first, keyPair.second );
+    }
+
+    //Execute ed->"function"
+    if (function == "cut")
+        ed->cut();
+    else if (function == "copy")
+        ed->copy();
+    else if (function == "paste")
+        ed->paste();
+    else if (function == "undo")
+        ed->paste();
+    else if (function == "redo")
+        ed->paste();
+
+    //Compare spied signals
+    QEXPECT_FAIL("Case7 T,A,A, <- + shift, <- + shift, <- + shift, ctrl + x, undo() | signals: true, false, true",
+        "Wrong undo selection behaviour. Should be fixed in some future release. (See task: 132482)", Abort);
+    QCOMPARE(spyCopyAvailabe.count(), copyAvailable.count());
+    for (int i=0;i<spyCopyAvailabe.count(); i++) {
+        QVariant variantSpyCopyAvailable = spyCopyAvailabe.at(i).at(0);
+        QVERIFY2(variantSpyCopyAvailable.toBool() == copyAvailable.at(i), QString("Spied singnal: %1").arg(i).toLatin1());
+    }
+}
+
+void tst_QTextEdit::undoRedoAfterSetContent()
+{
+    QVERIFY(!ed->document()->isUndoAvailable());
+    QVERIFY(!ed->document()->isRedoAvailable());
+    ed->setPlainText("Foobar");
+    QVERIFY(!ed->document()->isUndoAvailable());
+    QVERIFY(!ed->document()->isRedoAvailable());
+    ed->setHtml("<p>bleh</p>");
+    QVERIFY(!ed->document()->isUndoAvailable());
+    QVERIFY(!ed->document()->isRedoAvailable());
+}
+
+void tst_QTextEdit::numPadKeyNavigation()
+{
+    ed->setText("Hello World");
+    QCOMPARE(ed->textCursor().position(), 0);
+    QTest::keyClick(ed, Qt::Key_Right, Qt::KeypadModifier);
+    QCOMPARE(ed->textCursor().position(), 1);
+}
+
+void tst_QTextEdit::moveCursor()
+{
+    ed->setText("Test");
+
+    QSignalSpy cursorMovedSpy(ed, SIGNAL(cursorPositionChanged()));
+
+    QCOMPARE(ed->textCursor().position(), 0);
+    ed->moveCursor(QTextCursor::NextCharacter);
+    QCOMPARE(ed->textCursor().position(), 1);
+    QCOMPARE(cursorMovedSpy.count(), 1);
+    ed->moveCursor(QTextCursor::NextCharacter, QTextCursor::KeepAnchor);
+    QCOMPARE(ed->textCursor().position(), 2);
+    QCOMPARE(cursorMovedSpy.count(), 2);
+    QCOMPARE(ed->textCursor().selectedText(), QString("e"));
+}
+
+class MyTextEdit : public QTextEdit
+{
+public:
+    inline MyTextEdit()
+        : createMimeDataCallCount(0),
+          canInsertCallCount(0),
+          insertCallCount(0)
+    {}
+
+    mutable int createMimeDataCallCount;
+    mutable int canInsertCallCount;
+    mutable int insertCallCount;
+
+    virtual QMimeData *createMimeDataFromSelection() const {
+        createMimeDataCallCount++;
+        return QTextEdit::createMimeDataFromSelection();
+    }
+    virtual bool canInsertFromMimeData(const QMimeData *source) const {
+        canInsertCallCount++;
+        return QTextEdit::canInsertFromMimeData(source);
+    }
+    virtual void insertFromMimeData(const QMimeData *source) {
+        insertCallCount++;
+        QTextEdit::insertFromMimeData(source);
+    }
+
+};
+
+void tst_QTextEdit::mimeDataReimplementations()
+{
+    MyTextEdit ed;
+    ed.setPlainText("Hello World");
+
+    QCOMPARE(ed.createMimeDataCallCount, 0);
+    QCOMPARE(ed.canInsertCallCount, 0);
+    QCOMPARE(ed.insertCallCount, 0);
+
+    ed.selectAll();
+
+    QCOMPARE(ed.createMimeDataCallCount, 0);
+    QCOMPARE(ed.canInsertCallCount, 0);
+    QCOMPARE(ed.insertCallCount, 0);
+
+    ed.copy();
+
+    QCOMPARE(ed.createMimeDataCallCount, 1);
+    QCOMPARE(ed.canInsertCallCount, 0);
+    QCOMPARE(ed.insertCallCount, 0);
+
+    QTextControl *control = qFindChild<QTextControl *>(&ed);
+    QVERIFY(control);
+
+    control->canInsertFromMimeData(QApplication::clipboard()->mimeData());
+
+    QCOMPARE(ed.createMimeDataCallCount, 1);
+    QCOMPARE(ed.canInsertCallCount, 1);
+    QCOMPARE(ed.insertCallCount, 0);
+
+    ed.paste();
+
+    QCOMPARE(ed.createMimeDataCallCount, 1);
+    QCOMPARE(ed.canInsertCallCount, 1);
+    QCOMPARE(ed.insertCallCount, 1);
+}
+
+void tst_QTextEdit::ctrlEnterShouldInsertLineSeparator_NOT()
+{
+    QTest::keyClick(ed, Qt::Key_A);
+    QTest::keyClick(ed, Qt::Key_Enter, Qt::ControlModifier);
+    QTest::keyClick(ed, Qt::Key_B);
+    QString expected;
+    expected += 'a';
+//    expected += QChar::LineSeparator; // do NOT insert
+    expected += 'b';
+    QCOMPARE(ed->textCursor().block().text(), expected);
+}
+
+void tst_QTextEdit::shiftEnterShouldInsertLineSeparator()
+{
+    QTest::keyClick(ed, Qt::Key_A);
+    QTest::keyClick(ed, Qt::Key_Enter, Qt::ShiftModifier);
+    QTest::keyClick(ed, Qt::Key_B);
+    QString expected;
+    expected += 'a';
+    expected += QChar::LineSeparator;
+    expected += 'b';
+    QCOMPARE(ed->textCursor().block().text(), expected);
+}
+
+void tst_QTextEdit::selectWordsFromStringsContainingSeparators_data()
+{
+    QTest::addColumn<QString>("testString");
+    QTest::addColumn<QString>("selectedWord");
+
+    QStringList wordSeparators;
+    wordSeparators << "." << "," << "?" << "!" << ":" << ";" << "-" << "<" << ">" << "["
+                   << "]" << "(" << ")" << "{" << "}" << "=" << "\t"<< QString(QChar::Nbsp);
+
+    foreach (QString s, wordSeparators)
+        QTest::newRow(QString("separator: " + s).toLocal8Bit()) << QString("foo") + s + QString("bar") << QString("foo");
+}
+
+void tst_QTextEdit::selectWordsFromStringsContainingSeparators()
+{
+    QFETCH(QString, testString);
+    QFETCH(QString, selectedWord);
+    ed->setText(testString);
+    QTextCursor cursor = ed->textCursor();
+    cursor.movePosition(QTextCursor::StartOfLine);
+    cursor.select(QTextCursor::WordUnderCursor);
+    QVERIFY(cursor.hasSelection());
+    QCOMPARE(cursor.selection().toPlainText(), selectedWord);
+    cursor.clearSelection();
+}
+
+void tst_QTextEdit::canPaste()
+{
+    if (!nativeClipboardWorking())
+        QSKIP("Clipboard not working with cron-started unit tests", SkipAll);
+
+    QApplication::clipboard()->setText(QString());
+    QVERIFY(!ed->canPaste());
+    QApplication::clipboard()->setText("Test");
+    QVERIFY(ed->canPaste());
+    ed->setTextInteractionFlags(Qt::NoTextInteraction);
+    QVERIFY(!ed->canPaste());
+}
+
+void tst_QTextEdit::ensureCursorVisibleOnInitialShow()
+{
+    QString manyPagesOfPlainText;
+    for (int i = 0; i < 800; ++i)
+        manyPagesOfPlainText += QLatin1String("Blah blah blah blah blah blah\n");
+
+    ed->setPlainText(manyPagesOfPlainText);
+    QCOMPARE(ed->textCursor().position(), 0);
+
+    ed->moveCursor(QTextCursor::End);
+    ed->show();
+    QVERIFY(ed->verticalScrollBar()->value() > 10);
+
+    ed->moveCursor(QTextCursor::Start);
+    QVERIFY(ed->verticalScrollBar()->value() < 10);
+    ed->hide();
+    ed->verticalScrollBar()->setValue(ed->verticalScrollBar()->maximum());
+    ed->show();
+    QCOMPARE(ed->verticalScrollBar()->value(), ed->verticalScrollBar()->maximum());
+}
+
+class TestEdit : public QTextEdit
+{
+public:
+    TestEdit() : resizeEventCalled(false) {}
+
+    bool resizeEventCalled;
+
+protected:
+    virtual void resizeEvent(QResizeEvent *e)
+    {
+        QTextEdit::resizeEvent(e);
+        setHtml("<img src=qtextbrowser-resizeevent.png width=" + QString::number(size().width()) + "><br>Size is " + QString::number(size().width()) + " x " + QString::number(size().height()));
+        resizeEventCalled = true;
+    }
+};
+
+void tst_QTextEdit::setHtmlInsideResizeEvent()
+{
+    TestEdit edit;
+    edit.show();
+    edit.resize(800, 600);
+    QVERIFY(edit.resizeEventCalled);
+}
+
+void tst_QTextEdit::colorfulAppend()
+{
+    ed->setTextColor(Qt::red);
+    ed->append("Red");
+    ed->setTextColor(Qt::blue);
+    ed->append("Blue");
+    ed->setTextColor(Qt::green);
+    ed->append("Green");
+
+    QCOMPARE(ed->document()->blockCount(), 3);
+    QTextBlock block = ed->document()->begin();
+    QCOMPARE(block.begin().fragment().text(), QString("Red"));
+    QVERIFY(block.begin().fragment().charFormat().foreground().color() == Qt::red);
+    block = block.next();
+    QCOMPARE(block.begin().fragment().text(), QString("Blue"));
+    QVERIFY(block.begin().fragment().charFormat().foreground().color() == Qt::blue);
+    block = block.next();
+    QCOMPARE(block.begin().fragment().text(), QString("Green"));
+    QVERIFY(block.begin().fragment().charFormat().foreground().color() == Qt::green);
+}
+
+void tst_QTextEdit::ensureVisibleWithRtl()
+{
+    ed->setLayoutDirection(Qt::RightToLeft);
+    ed->setLineWrapMode(QTextEdit::NoWrap);
+    QString txt(500, QChar(QLatin1Char('a')));
+    QCOMPARE(txt.length(), 500);
+    ed->setPlainText(txt);
+    ed->resize(100, 100);
+    ed->show();
+
+    qApp->processEvents();
+
+    QVERIFY(ed->horizontalScrollBar()->maximum() > 0);
+
+    ed->moveCursor(QTextCursor::Start);
+    QCOMPARE(ed->horizontalScrollBar()->value(), ed->horizontalScrollBar()->maximum());
+    ed->moveCursor(QTextCursor::End);
+    QCOMPARE(ed->horizontalScrollBar()->value(), 0);
+    ed->moveCursor(QTextCursor::Start);
+    QCOMPARE(ed->horizontalScrollBar()->value(), ed->horizontalScrollBar()->maximum());
+    ed->moveCursor(QTextCursor::End);
+    QCOMPARE(ed->horizontalScrollBar()->value(), 0);
+}
+
+void tst_QTextEdit::preserveCharFormatAfterSetPlainText()
+{
+    ed->setTextColor(Qt::blue);
+    ed->setPlainText("This is blue");
+    ed->append("This should still be blue");
+    QTextBlock block = ed->document()->begin();
+    block = block.next();
+    QCOMPARE(block.text(), QString("This should still be blue"));
+    QVERIFY(block.begin().fragment().charFormat().foreground().color() == QColor(Qt::blue));
+}
+
+void tst_QTextEdit::extraSelections()
+{
+    ed->setPlainText("Hello World");
+
+    QTextCursor c = ed->textCursor();
+    c.movePosition(QTextCursor::Start);
+    c.movePosition(QTextCursor::End, QTextCursor::KeepAnchor);
+    const int endPos = c.position();
+
+    QTextEdit::ExtraSelection sel;
+    sel.cursor = c;
+    ed->setExtraSelections(QList<QTextEdit::ExtraSelection>() << sel);
+
+    c.movePosition(QTextCursor::Start);
+    c.movePosition(QTextCursor::NextWord);
+    const int wordPos = c.position();
+    c.movePosition(QTextCursor::End, QTextCursor::KeepAnchor);
+    sel.cursor = c;
+    ed->setExtraSelections(QList<QTextEdit::ExtraSelection>() << sel);
+
+    QList<QTextEdit::ExtraSelection> selections = ed->extraSelections();
+    QCOMPARE(selections.count(), 1);
+    QCOMPARE(selections.at(0).cursor.position(), endPos);
+    QCOMPARE(selections.at(0).cursor.anchor(), wordPos);
+}
+
+void tst_QTextEdit::adjustScrollbars()
+{
+// For some reason ff is defined to be << on Mac Panther / gcc 3.3
+#undef ff
+    QFont ff(ed->font());
+    ff.setFamily("Tahoma");
+    ff.setPointSize(11);
+    ed->setFont(ff);
+    ed->setMinimumSize(140, 100);
+    ed->setMaximumSize(140, 100);
+    ed->show();
+    QLatin1String txt("\nabc def ghi jkl mno pqr stu vwx");
+    ed->setText(txt + txt + txt + txt);
+
+    QVERIFY(ed->verticalScrollBar()->maximum() > 0);
+
+    ed->moveCursor(QTextCursor::End);
+    int oldMaximum = ed->verticalScrollBar()->maximum();
+    QTextCursor cursor = ed->textCursor();
+    cursor.insertText(QLatin1String("\n"));
+    cursor.deletePreviousChar();
+    QCOMPARE(ed->verticalScrollBar()->maximum(), oldMaximum);
+}
+
+class SignalReceiver : public QObject
+{
+    Q_OBJECT
+public:
+    SignalReceiver() : received(0) {}
+
+    int receivedSignals() const { return received; }
+    QTextCharFormat charFormat() const { return format; }
+
+public slots:
+    void charFormatChanged(const QTextCharFormat &tcf) { ++received; format = tcf; }
+
+private:
+    QTextCharFormat format;
+    int received;
+};
+
+void tst_QTextEdit::currentCharFormatChanged()
+{
+    QFont ff(ed->font());
+    ff.setFamily("Tahoma");
+    ff.setPointSize(11);
+
+    SignalReceiver receiver;
+    QObject::connect(ed, SIGNAL(currentCharFormatChanged(const QTextCharFormat &)) , &receiver, SLOT(charFormatChanged(const QTextCharFormat &)));
+
+    ed->show();
+    ed->setCurrentFont(ff);
+
+    QVERIFY(receiver.receivedSignals() > 0);
+    QCOMPARE(receiver.charFormat().font(), ff);
+}
+
+void tst_QTextEdit::textObscuredByScrollbars()
+{
+    ed->textCursor().insertText(
+            "ab cab cab c abca kjsdf lka sjd lfk jsal df j kasdf abc ab abc "
+            "a b c d e f g h i j k l m n o p q r s t u v w x y z "
+            "abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc "
+            "ab ab ab ab ab ab ab ab ab ab ab ab ab ab ab ab ab ab ab ab ab"
+            "abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc "
+            "ab ab ab ab ab ab ab ab ab ab ab ab ab ab ab ab ab ab ab ab ab"
+            "abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc "
+            "ab ab ab ab ab ab ab ab ab ab ab ab ab ab ab ab ab ab ab ab ab"
+            "abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc "
+            "ab ab ab ab ab ab ab ab ab ab ab ab ab ab ab ab ab ab ab ab ab"
+            "abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc "
+            "ab ab ab ab ab ab ab ab ab ab ab ab ab ab ab ab ab ab ab ab ab"
+    );
+    ed->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
+    ed->show();
+
+    QSize documentSize = ed->document()->documentLayout()->documentSize().toSize();
+    QSize viewportSize = ed->viewport()->size();
+
+    QVERIFY(documentSize.width() <= viewportSize.width());
+}
+
+void tst_QTextEdit::setTextPreservesUndoRedoEnabled()
+{
+    QVERIFY(ed->isUndoRedoEnabled());
+
+    ed->setPlainText("Test");
+
+    QVERIFY(ed->isUndoRedoEnabled());
+
+    ed->setUndoRedoEnabled(false);
+    QVERIFY(!ed->isUndoRedoEnabled());
+    ed->setPlainText("Test2");
+    QVERIFY(!ed->isUndoRedoEnabled());
+
+    ed->setHtml("<p>hello");
+    QVERIFY(!ed->isUndoRedoEnabled());
+}
+
+void tst_QTextEdit::wordWrapProperty()
+{
+    {
+        QTextEdit edit;
+        QTextDocument *doc = new QTextDocument(&edit);
+        edit.setDocument(doc);
+        edit.setWordWrapMode(QTextOption::NoWrap);
+        QVERIFY(doc->defaultTextOption().wrapMode() == QTextOption::NoWrap);
+    }
+    {
+        QTextEdit edit;
+        QTextDocument *doc = new QTextDocument(&edit);
+        edit.setWordWrapMode(QTextOption::NoWrap);
+        edit.setDocument(doc);
+        QVERIFY(doc->defaultTextOption().wrapMode() == QTextOption::NoWrap);
+    }
+}
+
+void tst_QTextEdit::lineWrapProperty()
+{
+    QVERIFY(ed->wordWrapMode() == QTextOption::WrapAtWordBoundaryOrAnywhere);
+    QVERIFY(ed->lineWrapMode() == QTextEdit::WidgetWidth);
+    ed->setLineWrapMode(QTextEdit::NoWrap);
+    QVERIFY(ed->lineWrapMode() == QTextEdit::NoWrap);
+    QVERIFY(ed->wordWrapMode() == QTextOption::WrapAtWordBoundaryOrAnywhere);
+    QVERIFY(ed->document()->defaultTextOption().wrapMode() == QTextOption::NoWrap);
+}
+
+void tst_QTextEdit::selectionChanged()
+{
+    ed->setPlainText("Hello World");
+
+    ed->moveCursor(QTextCursor::Start);
+
+    QSignalSpy selectionChangedSpy(ed, SIGNAL(selectionChanged()));
+
+    QTest::keyClick(ed, Qt::Key_Right);
+    QCOMPARE(ed->textCursor().position(), 1);
+    QCOMPARE(selectionChangedSpy.count(), 0);
+
+    QTest::keyClick(ed, Qt::Key_Right, Qt::ShiftModifier);
+    QCOMPARE(ed->textCursor().position(), 2);
+    QCOMPARE(selectionChangedSpy.count(), 1);
+
+    QTest::keyClick(ed, Qt::Key_Right, Qt::ShiftModifier);
+    QCOMPARE(ed->textCursor().position(), 3);
+    QCOMPARE(selectionChangedSpy.count(), 2);
+
+    QTest::keyClick(ed, Qt::Key_Right, Qt::ShiftModifier);
+    QCOMPARE(ed->textCursor().position(), 4);
+    QCOMPARE(selectionChangedSpy.count(), 3);
+
+    QTest::keyClick(ed, Qt::Key_Right);
+    QCOMPARE(ed->textCursor().position(), 5);
+    QCOMPARE(selectionChangedSpy.count(), 4);
+
+    QTest::keyClick(ed, Qt::Key_Right);
+    QCOMPARE(ed->textCursor().position(), 6);
+    QCOMPARE(selectionChangedSpy.count(), 4);
+}
+
+void tst_QTextEdit::copyPasteBackgroundImage()
+{
+#ifndef QT_NO_CLIPBOARD
+    if (!nativeClipboardWorking())
+        QSKIP("Native clipboard not working in this setup", SkipAll);
+
+    QImage foo(16, 16, QImage::Format_ARGB32_Premultiplied);
+    foo.save("foo.png");
+    ed->setHtml("<body><table><tr><td background=\"foo.png\">Foo</td></tr></table></body>");
+
+    ed->moveCursor(QTextCursor::Start);
+    ed->moveCursor(QTextCursor::End, QTextCursor::KeepAnchor);
+
+    ed->copy();
+
+    ed->moveCursor(QTextCursor::End, QTextCursor::MoveAnchor);
+    ed->paste();
+
+    ed->moveCursor(QTextCursor::Start);
+
+    ed->moveCursor(QTextCursor::NextBlock);
+    QTextTable *a = ed->textCursor().currentTable();
+
+    ed->moveCursor(QTextCursor::End);
+    ed->moveCursor(QTextCursor::PreviousBlock);
+    QTextTable *b = ed->textCursor().currentTable();
+
+    QVERIFY(a);
+    QVERIFY(b);
+    QVERIFY(a != b);
+
+    QBrush ba = a->cellAt(0, 0).format().background();
+    QBrush bb = b->cellAt(0, 0).format().background();
+
+    QCOMPARE(ba.style(), Qt::TexturePattern);
+    QCOMPARE(ba.style(), bb.style());
+
+    // we don't want a copy/paste of the background image to cause
+    // a new image/pixmap to be created, it should use the cached resource
+    // already in the document
+    QVERIFY(ba.textureImage().cacheKey() == bb.textureImage().cacheKey() ||
+            ba.texture().cacheKey() == bb.texture().cacheKey());
+    QFile::remove(QLatin1String("foo.png"));
+#endif
+}
+
+void tst_QTextEdit::setText()
+{
+    QTextEdit browser;
+    browser.setText(QLatin1String("hello"));
+    QCOMPARE(browser.toPlainText(), QLatin1String("hello"));
+    browser.setText(QLatin1String("<b>bold   bold</b>"));
+    QCOMPARE(browser.toPlainText(), QLatin1String("bold bold"));
+    browser.setText(QLatin1String("with   space"));
+    QCOMPARE(browser.toPlainText(), QLatin1String("with   space"));
+}
+
+QT_BEGIN_NAMESPACE
+extern Q_GUI_EXPORT bool qt_enable_test_font;
+QT_END_NAMESPACE
+
+void tst_QTextEdit::fullWidthSelection_data()
+{
+    QTest::addColumn<int>("cursorFrom");
+    QTest::addColumn<int>("cursorTo");
+    QTest::addColumn<QString>("imageFileName");
+
+    QTest::newRow("centered fully selected") << 0 << 15 << QString("fullWidthSelection/centered-fully-selected.png");
+    QTest::newRow("centered partly selected") << 2 << 15 << QString("fullWidthSelection/centered-partly-selected.png");
+    QTest::newRow("last char on line") << 42 << 44 << QString("fullWidthSelection/last-char-on-line.png");
+    QTest::newRow("last char on parag") << 545 << 548 << QString("fullWidthSelection/last-char-on-parag.png");
+    QTest::newRow("multiple full width lines") << 20 << 60 << QString("fullWidthSelection/multiple-full-width-lines.png");
+    QTest::newRow("single full width line") << 20 << 30 << QString("fullWidthSelection/single-full-width-line.png");
+}
+
+void tst_QTextEdit::fullWidthSelection()
+{
+    QFETCH(int, cursorFrom);
+    QFETCH(int, cursorTo);
+    QFETCH(QString, imageFileName);
+
+    // enable full-width-selection for our test widget.
+    class FullWidthStyle : public QCommonStyle {
+        int styleHint(StyleHint stylehint, const QStyleOption *opt, const QWidget *widget, QStyleHintReturn *returnData) const {
+            if (stylehint == QStyle::SH_RichText_FullWidthSelection)
+                return 1;
+            return QCommonStyle::styleHint(stylehint, opt, widget, returnData);
+        };
+    };
+    FullWidthStyle myStyle;
+
+    QPalette myPalette = myStyle.standardPalette();
+    myPalette.setColor(QPalette::All, QPalette::HighlightedText, QColor(0,0,0,0));
+    myPalette.setColor(QPalette::All, QPalette::Highlight, QColor(239,221,85));
+
+    QTextEdit widget;
+    widget.document()->setDocumentMargin(2);
+    widget.setPalette(myPalette);
+    widget.setStyle(&myStyle);
+    QTextCursor cursor = widget.textCursor();
+    QTextBlockFormat bf1;
+    bf1.setAlignment(Qt::AlignCenter);
+    cursor.setBlockFormat(bf1);
+
+    // use the test font so we always know where stuff will end up.
+    qt_enable_test_font = true;
+    QFont testFont;
+    testFont.setFamily("__Qt__Box__Engine__");
+    testFont.setPixelSize(12);
+    testFont.setWeight(QFont::Normal);
+    QTextCharFormat cf;
+    cf.setFont(testFont);
+    cf.setForeground(QColor(0,0,0,0)); // tricky bit, this :)
+    cursor.setCharFormat(cf);
+
+    // populate with some demo text.
+    cursor.insertText("centered");
+    QTextBlockFormat bf;
+    cursor.insertBlock(bf, cf);
+    cursor.insertText("Duis autem vel eum iriure dolor in hendrerit in vulputate velit esse molestie consequat, vel illum dolore eu feugiat nulla facilisis at vero eros et accumsan et iusto odio dignissim qui blandit praesent luptatum zzril delenit augue duis dolore te feugait nulla facilisi. Lorem ipsum dolor sit amet, consectetuer adipiscing elit, sed diam nonummy nibh euismod tincidunt ut laoreet dolore magna aliquam erat volutpat. Ut wisi enim ad minim veniam, quis nostrud exerci tation ullamcorper suscipit lobortis nisl ut aliquip ex ea commodo cons.\nfoo\n");
+
+    // Usecase 1 for full-width-selections; the 'show-cursor-position' one.
+    QList<QTextEdit::ExtraSelection> selections;
+    QTextCursor cursor2(widget.document());
+    QTextEdit::ExtraSelection es;
+    cursor2.setPosition(300);
+    es.cursor = cursor2;
+    es.format.setProperty( QTextFormat::FullWidthSelection, true );
+    es.format.setBackground(QColor(255, 0, 0));
+    selections.append(es);
+    widget.setExtraSelections(selections);
+
+    // Usecase 2; show it based on the style.
+    // Select part of the centered text and part of the next; which means we should show the part right of the centered text.
+    cursor.setPosition(cursorFrom);
+    cursor.setPosition(cursorTo, QTextCursor::KeepAnchor);
+    widget.setTextCursor(cursor);
+
+    compareWidgetAndImage(widget, imageFileName);
+}
+
+void tst_QTextEdit::fullWidthSelection2()
+{
+    QPalette myPalette;
+    myPalette.setColor(QPalette::All, QPalette::HighlightedText, QColor(0,0,0,0));
+    myPalette.setColor(QPalette::All, QPalette::Highlight, QColor(239,221,85));
+
+    QTextEdit widget;
+    widget.setPalette(myPalette);
+    widget.setLineWrapMode(QTextEdit::NoWrap);
+    QTextCursor cursor = widget.textCursor();
+
+    // use the test font so we always know where stuff will end up.
+    qt_enable_test_font = true;
+    QFont testFont;
+    testFont.setFamily("__Qt__Box__Engine__");
+    testFont.setPixelSize(12);
+    testFont.setWeight(QFont::Normal);
+    QTextCharFormat cf;
+    cf.setFont(testFont);
+    cf.setForeground(QColor(0,0,0,0)); // tricky bit, this :)
+    cursor.setCharFormat(cf);
+    cursor.insertText("foo");
+
+    QList<QTextEdit::ExtraSelection> selections;
+    QTextCursor cursor2(widget.document());
+    QTextEdit::ExtraSelection es;
+    cursor2.setPosition(1);
+    es.cursor = cursor2;
+    es.format.setProperty( QTextFormat::FullWidthSelection, true );
+    es.format.setBackground(QColor(255, 0, 0));
+    selections.append(es);
+    widget.setExtraSelections(selections);
+
+    compareWidgetAndImage(widget, "fullWidthSelection/nowrap_long.png");
+
+    QTextLine line = widget.document()->begin().layout()->lineAt(0);
+    // qDebug() << line.width();
+}
+
+void tst_QTextEdit::compareWidgetAndImage(QTextEdit &widget, const QString &imageFileName)
+{
+    widget.setGeometry(0, 0, 300, 390);
+    widget.setFrameShape(QFrame::NoFrame);
+
+    QImage image(300, 390, QImage::Format_RGB32);
+    QPainter painter(&image);
+    widget.viewport()->render(&painter);
+    painter.end();
+    // qDebug() << "file: " << QString(SRCDIR) + imageFileName;
+    QImageReader reader(QString(SRCDIR) + imageFileName, "PNG");
+    QImage original = reader.read();
+
+    QCOMPARE(original.isNull(), false);
+    QCOMPARE(original.size(), image.size());
+    Q_ASSERT(image.depth() == 32);
+    QCOMPARE(original.depth(), image.depth());
+
+    const int bytesPerLine = image.bytesPerLine();
+    const int width = image.width();
+    const int height = image.height();
+
+    for (int y = 0; y < height; ++y) {
+        const QRgb * const firstLine = reinterpret_cast<const QRgb *>(image.scanLine(y));
+        const QRgb * const secondLine = reinterpret_cast<const QRgb *>(original.scanLine(y));
+
+        if (memcmp(firstLine, secondLine, bytesPerLine) != 0) {
+            for (int x = 0; x < width; ++x) {
+                const QRgb a = firstLine[x];
+                const QRgb b = secondLine[x];
+                const bool same = qAbs(qRed(a) - qRed(b)) <= 20
+                    && qAbs(qGreen(a) - qGreen(b)) <= 20
+                    && qAbs(qBlue(a) - qBlue(b)) <= 20;
+                if (!same) {
+                    QString fileName = imageFileName;
+                    QImageWriter writer("failed_"+ fileName.replace('/','_'), "PNG");
+                    writer.write(image);
+                }
+                QVERIFY(same);
+            }
+        }
+    }
+}
+
+void tst_QTextEdit::cursorRect()
+{
+    ed->show();
+    ed->setPlainText("Hello Test World");
+    ed->setCursorWidth(1);
+    QCOMPARE(ed->cursorRect().width(), 1);
+    ed->setCursorWidth(2);
+    QCOMPARE(ed->cursorRect().width(), 2);
+    ed->setCursorWidth(4);
+    QCOMPARE(ed->cursorRect().width(), 4);
+    ed->setCursorWidth(10);
+    QCOMPARE(ed->cursorRect().width(), 10);
+}
+
+void tst_QTextEdit::setDocumentPreservesPalette()
+{
+    QTextControl *control = qFindChild<QTextControl *>(ed);
+    QVERIFY(control);
+
+    QPalette defaultPal = ed->palette();
+    QPalette whitePal = ed->palette();
+    whitePal.setColor(QPalette::Active, QPalette::Text, "white");
+
+    QVERIFY(whitePal != ed->palette());
+    ed->setPalette(whitePal);
+    QVERIFY(whitePal.color(QPalette::Active, QPalette::Text)
+            == ed->palette().color(QPalette::Active, QPalette::Text));
+    QVERIFY(whitePal.color(QPalette::Active, QPalette::Text)
+            == control->palette().color(QPalette::Active, QPalette::Text));
+
+    QTextDocument *newDoc = new QTextDocument(ed);
+    ed->setDocument(newDoc);
+    QVERIFY(control->document() == newDoc);
+    QVERIFY(whitePal.color(QPalette::Active, QPalette::Text)
+            == control->palette().color(QPalette::Active, QPalette::Text));
+}
+
+class PublicTextEdit : public QTextEdit
+{
+public:
+    void publicInsertFromMimeData(const QMimeData *source)
+    { insertFromMimeData(source); }
+};
+
+void tst_QTextEdit::pasteFromQt3RichText()
+{
+    QByteArray richtext("<!--StartFragment--><p>  QTextEdit is an  ");
+
+    QMimeData mimeData;
+    mimeData.setData("application/x-qrichtext", richtext);
+
+    static_cast<PublicTextEdit *>(ed)->publicInsertFromMimeData(&mimeData);
+
+    QCOMPARE(ed->toPlainText(), QString::fromLatin1("  QTextEdit is an  "));
+    ed->clear();
+
+    richtext = "<!--StartFragment-->  QTextEdit is an  ";
+    mimeData.setData("application/x-qrichtext", richtext);
+
+    static_cast<PublicTextEdit *>(ed)->publicInsertFromMimeData(&mimeData);
+
+    QCOMPARE(ed->toPlainText(), QString::fromLatin1("  QTextEdit is an  "));
+}
+
+void tst_QTextEdit::noWrapBackgrounds()
+{
+    QTextEdit edit;
+    edit.setLineWrapMode(QTextEdit::NoWrap);
+
+    QTextFrame *root = edit.document()->rootFrame();
+    QTextFrameFormat frameFormat = root->frameFormat();
+    frameFormat.setLeftMargin(2);
+    frameFormat.setRightMargin(2);
+    root->setFrameFormat(frameFormat);
+
+    QTextBlockFormat format;
+    format.setBackground(Qt::red);
+    edit.textCursor().setBlockFormat(format);
+    edit.insertPlainText(QLatin1String(" \n  \n   \n    \n"));
+    edit.setFixedSize(100, 200);
+
+    QImage img = QPixmap::grabWidget(edit.viewport()).toImage();
+    QCOMPARE(img, img.mirrored(true, false));
+}
+
+void tst_QTextEdit::preserveCharFormatAfterUnchangingSetPosition()
+{
+    QColor color(Qt::yellow);
+    QTextEdit edit;
+    edit.setTextColor(color);
+
+    QTextCursor c = edit.textCursor();
+    c.setPosition(c.position());
+    edit.setTextCursor(c);
+
+    QCOMPARE(edit.textColor(), color);
+}
+
+QTEST_MAIN(tst_QTextEdit)
+#include "tst_qtextedit.moc"