qt5base-lts/tests/auto/gui/text/qtextblock/tst_qtextblock.cpp

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/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/
**
** This file is part of the test suite of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** 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.
**
** 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.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtTest/QTest>
#include <qtextdocument.h>
#include <qdebug.h>
#ifndef Q_OS_WIN
# include <private/qtextdocument_p.h>
#endif
#include <qtextobject.h>
#include <qtextcursor.h>
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();
void previousBlock_qtbug18026();
void removedBlock_qtbug18500();
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_OS_WIN)
2011-05-23 14:49:06 +00:00
QVERIFY(doc->docHandle()->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);
}
void tst_QTextBlock::previousBlock_qtbug18026()
{
QTextBlock last = doc->end().previous();
QVERIFY(last.isValid());
}
void tst_QTextBlock::removedBlock_qtbug18500()
{
cursor.insertText("line 1\nline 2\nline 3 \nline 4\n");
cursor.setPosition(7);
QTextBlock block = cursor.block();
cursor.setPosition(21, QTextCursor::KeepAnchor);
cursor.removeSelectedText();
QVERIFY(!block.isValid());
}
QTEST_MAIN(tst_QTextBlock)
#include "tst_qtextblock.moc"