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

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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the test suite of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#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
private slots:
void init();
void cleanup();
void fragmentOverBlockBoundaries();
void excludeParagraphSeparatorFragment();
void backwardsBlockIterator();
void previousBlock_qtbug18026();
void removedBlock_qtbug18500();
private:
QTextDocument *doc;
QTextCursor cursor;
};
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)
QCOMPARE(QTextDocumentPrivate::get(doc)->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());
QCOMPARE(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"