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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. |
| ** |
| ** $QT_BEGIN_LICENSE:LGPL3$ |
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| ** |
| ** 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 |
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| ****************************************************************************/ |
| |
| |
| #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" |