/****************************************************************************

**

** All rights reserved.

** Contact: Nokia Corporation (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 Technology Preview License Agreement accompanying

** this package.

**

** 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 1.1, included in the file LGPL_EXCEPTION.txt in this package.

**

** If you have questions regarding the use of this file, please contact

** Nokia at qt-info@nokia.com.

**

**

**

**

**

**

**

**

** $QT_END_LICENSE$

**

****************************************************************************/

#include <QtTest/QtTest>

#define private public

#include <qtextdocument.h>

#include <qdebug.h>

#ifndef Q_WS_WIN

#include <private/qtextdocument_p.h>

#endif

#include <qtextobject.h>

#include <qtextcursor.h>

//TESTED_FILES=

QT_FORWARD_DECLARE_CLASS(QTextDocument)

class tst_QTextBlock : public QObject

{

    Q_OBJECT

public:

    tst_QTextBlock();

public slots:

    void init();

    void cleanup();

private slots:

    void fragmentOverBlockBoundaries();

    void excludeParagraphSeparatorFragment();

    void backwardsBlockIterator();

private:

    QTextDocument *doc;

    QTextCursor cursor;

};

tst_QTextBlock::tst_QTextBlock()

{}

void tst_QTextBlock::init()

{

    doc = new QTextDocument;

    cursor = QTextCursor(doc);

}

void tst_QTextBlock::cleanup()

{

    cursor = QTextCursor();

    delete doc;

    doc = 0;

}

void tst_QTextBlock::fragmentOverBlockBoundaries()

{

    /* this creates two fragments in the piecetable:

     * 1) 'hello<parag separator here>world'

     * 2) '<parag separator>'

     * (they are not united because the former was interested after the latter,

     * hence their position in the pt buffer is the other way around)

     */

    cursor.insertText("Hello");

    cursor.insertBlock();

    cursor.insertText("World");

    cursor.movePosition(QTextCursor::Start);

    const QTextDocument *doc = cursor.block().document();

    QVERIFY(doc);

    // Block separators are always a fragment of their self. Thus:

    // |Hello|\b|World|\b|

#if !defined(Q_WS_WIN) && !defined(Q_WS_S60)

    QVERIFY(doc->d_func()->fragmentMap().numNodes() == 4);

#endif

    QCOMPARE(cursor.block().text(), QString("Hello"));

    cursor.movePosition(QTextCursor::NextBlock);

    QCOMPARE(cursor.block().text(), QString("World"));

}

void tst_QTextBlock::excludeParagraphSeparatorFragment()

{

    QTextCharFormat fmt;

    fmt.setForeground(Qt::blue);

    cursor.insertText("Hello", fmt);

    QTextBlock block = doc->begin();

    QVERIFY(block.isValid());

    QTextBlock::Iterator it = block.begin();

    QTextFragment fragment = it.fragment();

    QVERIFY(fragment.isValid());

    QCOMPARE(fragment.text(), QString("Hello"));

    ++it;

    QVERIFY(it.atEnd());

    QVERIFY(it == block.end());

}

void tst_QTextBlock::backwardsBlockIterator()

{

    QTextCharFormat fmt;

    fmt.setForeground(Qt::magenta);

    cursor.insertText("A", fmt);

    fmt.setForeground(Qt::red);

    cursor.insertText("A", fmt);

    fmt.setForeground(Qt::magenta);

    cursor.insertText("A", fmt);

    QTextBlock block = doc->begin();

    QVERIFY(block.isValid());

    QTextBlock::Iterator it = block.begin();

    QCOMPARE(it.fragment().position(), 0);

    ++it;

    QCOMPARE(it.fragment().position(), 1);

    ++it;

    QCOMPARE(it.fragment().position(), 2);

    --it;

    QCOMPARE(it.fragment().position(), 1);

    --it;

    QCOMPARE(it.fragment().position(), 0);

}

QTEST_MAIN(tst_QTextBlock)

#include "tst_qtextblock.moc"