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/****************************************************************************
**
** Copyright (C) 2017 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the test suite of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL3$
** 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 http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPLv3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or later 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 2.0 requirements will be
** met: http://www.gnu.org/licenses/gpl-2.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtTest/QtTest>
#include <QPdfDocument>
#include <QPdfPageNavigation>
class tst_QPdfPageNavigation: public QObject
{
Q_OBJECT
private slots:
void defaultValues();
void setEmptyDocument();
void setEmptyDocumentAndLoad();
void setLoadedDocument();
void unloadDocument();
void navigate();
};
void tst_QPdfPageNavigation::defaultValues()
{
QPdfPageNavigation pageNavigation;
QCOMPARE(pageNavigation.document(), nullptr);
QCOMPARE(pageNavigation.currentPage(), 0);
QCOMPARE(pageNavigation.pageCount(), 0);
QCOMPARE(pageNavigation.canGoToPreviousPage(), false);
QCOMPARE(pageNavigation.canGoToNextPage(), false);
}
void tst_QPdfPageNavigation::setEmptyDocument()
{
QPdfDocument document;
QPdfPageNavigation pageNavigation;
pageNavigation.setDocument(&document);
QCOMPARE(pageNavigation.document(), &document);
QCOMPARE(pageNavigation.currentPage(), 0);
QCOMPARE(pageNavigation.pageCount(), 0);
QCOMPARE(pageNavigation.canGoToPreviousPage(), false);
QCOMPARE(pageNavigation.canGoToNextPage(), false);
}
void tst_QPdfPageNavigation::setEmptyDocumentAndLoad()
{
QPdfDocument document;
QPdfPageNavigation pageNavigation;
pageNavigation.setDocument(&document);
QSignalSpy currentPageChangedSpy(&pageNavigation, &QPdfPageNavigation::currentPageChanged);
QSignalSpy pageCountChangedSpy(&pageNavigation, &QPdfPageNavigation::pageCountChanged);
QSignalSpy canGoToPreviousPageChangedSpy(&pageNavigation, &QPdfPageNavigation::canGoToPreviousPageChanged);
QSignalSpy canGoToNextPageChangedSpy(&pageNavigation, &QPdfPageNavigation::canGoToNextPageChanged);
QCOMPARE(document.load(QFINDTESTDATA("pdf-sample.pagenavigation.pdf")), QPdfDocument::NoError);
QCOMPARE(currentPageChangedSpy.count(), 0); // current page stays '0'
QCOMPARE(pageCountChangedSpy.count(), 1);
QCOMPARE(pageCountChangedSpy[0][0].toInt(), 3);
QCOMPARE(canGoToPreviousPageChangedSpy.count(), 0); // still no previous page available
QCOMPARE(canGoToNextPageChangedSpy.count(), 1);
QCOMPARE(canGoToNextPageChangedSpy[0][0].toBool(), true);
}
void tst_QPdfPageNavigation::setLoadedDocument()
{
QPdfDocument document;
QCOMPARE(document.load(QFINDTESTDATA("pdf-sample.pagenavigation.pdf")), QPdfDocument::NoError);
QPdfPageNavigation pageNavigation;
QSignalSpy currentPageChangedSpy(&pageNavigation, &QPdfPageNavigation::currentPageChanged);
QSignalSpy pageCountChangedSpy(&pageNavigation, &QPdfPageNavigation::pageCountChanged);
QSignalSpy canGoToPreviousPageChangedSpy(&pageNavigation, &QPdfPageNavigation::canGoToPreviousPageChanged);
QSignalSpy canGoToNextPageChangedSpy(&pageNavigation, &QPdfPageNavigation::canGoToNextPageChanged);
pageNavigation.setDocument(&document);
QCOMPARE(currentPageChangedSpy.count(), 0); // current page stays '0'
QCOMPARE(pageCountChangedSpy.count(), 1);
QCOMPARE(pageCountChangedSpy[0][0].toInt(), 3);
QCOMPARE(canGoToPreviousPageChangedSpy.count(), 0); // still no previous page available
QCOMPARE(canGoToNextPageChangedSpy.count(), 1);
QCOMPARE(canGoToNextPageChangedSpy[0][0].toBool(), true);
}
void tst_QPdfPageNavigation::unloadDocument()
{
QPdfDocument document;
QCOMPARE(document.load(QFINDTESTDATA("pdf-sample.pagenavigation.pdf")), QPdfDocument::NoError);
QPdfPageNavigation pageNavigation;
pageNavigation.setDocument(&document);
QSignalSpy currentPageChangedSpy(&pageNavigation, &QPdfPageNavigation::currentPageChanged);
QSignalSpy pageCountChangedSpy(&pageNavigation, &QPdfPageNavigation::pageCountChanged);
QSignalSpy canGoToPreviousPageChangedSpy(&pageNavigation, &QPdfPageNavigation::canGoToPreviousPageChanged);
QSignalSpy canGoToNextPageChangedSpy(&pageNavigation, &QPdfPageNavigation::canGoToNextPageChanged);
document.close();
QCOMPARE(currentPageChangedSpy.count(), 0); // current page stays '0'
QCOMPARE(pageCountChangedSpy.count(), 1);
QCOMPARE(pageCountChangedSpy[0][0].toInt(), 0);
QCOMPARE(canGoToPreviousPageChangedSpy.count(), 0); // still no previous page available
QCOMPARE(canGoToNextPageChangedSpy.count(), 1);
QCOMPARE(canGoToNextPageChangedSpy[0][0].toBool(), false);
}
void tst_QPdfPageNavigation::navigate()
{
QPdfDocument document;
QCOMPARE(document.load(QFINDTESTDATA("pdf-sample.pagenavigation.pdf")), QPdfDocument::NoError);
QPdfPageNavigation pageNavigation;
pageNavigation.setDocument(&document);
QSignalSpy currentPageChangedSpy(&pageNavigation, &QPdfPageNavigation::currentPageChanged);
QSignalSpy canGoToPreviousPageChangedSpy(&pageNavigation, &QPdfPageNavigation::canGoToPreviousPageChanged);
QSignalSpy canGoToNextPageChangedSpy(&pageNavigation, &QPdfPageNavigation::canGoToNextPageChanged);
QCOMPARE(pageNavigation.currentPage(), 0);
// try to go to previous page while there is none
QCOMPARE(pageNavigation.canGoToPreviousPage(), false);
pageNavigation.goToPreviousPage();
QCOMPARE(canGoToPreviousPageChangedSpy.count(), 0);
QCOMPARE(pageNavigation.currentPage(), 0);
QCOMPARE(pageNavigation.canGoToPreviousPage(), false);
// try to go to next page
QCOMPARE(pageNavigation.canGoToNextPage(), true);
pageNavigation.goToNextPage();
QCOMPARE(canGoToPreviousPageChangedSpy.count(), 1);
QCOMPARE(canGoToNextPageChangedSpy.count(), 0);
QCOMPARE(currentPageChangedSpy.count(), 1);
QCOMPARE(pageNavigation.currentPage(), 1);
QCOMPARE(pageNavigation.canGoToPreviousPage(), true);
currentPageChangedSpy.clear();
canGoToPreviousPageChangedSpy.clear();
canGoToNextPageChangedSpy.clear();
// try to go to last page
pageNavigation.setCurrentPage(2);
QCOMPARE(canGoToPreviousPageChangedSpy.count(), 0);
QCOMPARE(canGoToNextPageChangedSpy.count(), 1);
QCOMPARE(currentPageChangedSpy.count(), 1);
QCOMPARE(pageNavigation.currentPage(), 2);
QCOMPARE(pageNavigation.canGoToNextPage(), false);
// check that invalid requests are ignored
pageNavigation.setCurrentPage(-1);
QCOMPARE(pageNavigation.currentPage(), 2);
pageNavigation.setCurrentPage(3);
QCOMPARE(pageNavigation.currentPage(), 2);
}
QTEST_MAIN(tst_QPdfPageNavigation)
#include "tst_qpdfpagenavigation.moc"
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