/**************************************************************************** ** ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). ** 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 either Technology Preview License Agreement or the ** Beta Release License Agreement. ** ** 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 1.0, 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. ** ** If you are unsure which license is appropriate for your use, please ** contact the sales department at http://www.qtsoftware.com/contact. ** $QT_END_LICENSE$ ** ****************************************************************************/ #include #include #include #include "theplugin/plugininterface.h" // Helper macros to let us know if some suffixes are valid #define bundle_VALID false #define dylib_VALID false #define sl_VALID false #define a_VALID false #define so_VALID false #define dll_VALID false #if defined(Q_OS_DARWIN) # undef bundle_VALID # undef dylib_VALID # undef so_VALID # define bundle_VALID true # define dylib_VALID true # define so_VALID true # define SUFFIX ".dylib" # define PREFIX "lib" #elif defined(Q_OS_HPUX) && !defined(__ia64) # undef sl_VALID # define sl_VALID true # define SUFFIX ".sl" # define PREFIX "lib" #elif defined(Q_OS_AIX) # undef a_VALID # undef so_VALID # define a_VALID true # define so_VALID true # define SUFFIX ".so" # define PREFIX "lib" #elif defined(Q_OS_WIN) # undef dll_VALID # define dll_VALID true # ifdef QT_NO_DEBUG # define SUFFIX ".dll" # else # define SUFFIX "d.dll" # endif # define PREFIX "" #else // all other Unix # undef so_VALID # define so_VALID true # define SUFFIX ".so" # define PREFIX "lib" #endif static QString sys_qualifiedLibraryName(const QString &fileName) { QString currDir = QDir::currentPath(); return currDir + "/bin/" + PREFIX + fileName + SUFFIX; } //TESTED_CLASS= //TESTED_FILES= QT_FORWARD_DECLARE_CLASS(QPluginLoader) class tst_QPluginLoader : public QObject { Q_OBJECT public: tst_QPluginLoader(); virtual ~tst_QPluginLoader(); private slots: void errorString(); void loadHints(); void deleteinstanceOnUnload(); }; tst_QPluginLoader::tst_QPluginLoader() { } tst_QPluginLoader::~tst_QPluginLoader() { } //#define SHOW_ERRORS 1 void tst_QPluginLoader::errorString() { #if defined(Q_OS_WINCE) // On WinCE we need an QCoreApplication object for current dir int argc = 0; QCoreApplication app(argc,0); #endif const QString unknown(QLatin1String("Unknown error")); { QPluginLoader loader; // default constructed bool loaded = loader.load(); #ifdef SHOW_ERRORS qDebug() << loader.errorString(); #endif QCOMPARE(loaded, false); QCOMPARE(loader.errorString(), unknown); QObject *obj = loader.instance(); #ifdef SHOW_ERRORS qDebug() << loader.errorString(); #endif QCOMPARE(obj, static_cast(0)); QCOMPARE(loader.errorString(), unknown); bool unloaded = loader.unload(); #ifdef SHOW_ERRORS qDebug() << loader.errorString(); #endif QCOMPARE(unloaded, false); QCOMPARE(loader.errorString(), unknown); } { QPluginLoader loader( sys_qualifiedLibraryName("mylib")); //not a plugin bool loaded = loader.load(); #ifdef SHOW_ERRORS qDebug() << loader.errorString(); #endif QCOMPARE(loaded, false); QVERIFY(loader.errorString() != unknown); QObject *obj = loader.instance(); #ifdef SHOW_ERRORS qDebug() << loader.errorString(); #endif QCOMPARE(obj, static_cast(0)); QVERIFY(loader.errorString() != unknown); bool unloaded = loader.unload(); #ifdef SHOW_ERRORS qDebug() << loader.errorString(); #endif QCOMPARE(unloaded, false); QVERIFY(loader.errorString() != unknown); } { QPluginLoader loader( sys_qualifiedLibraryName("nosuchfile")); //not a file bool loaded = loader.load(); #ifdef SHOW_ERRORS qDebug() << loader.errorString(); #endif QCOMPARE(loaded, false); QVERIFY(loader.errorString() != unknown); QObject *obj = loader.instance(); #ifdef SHOW_ERRORS qDebug() << loader.errorString(); #endif QCOMPARE(obj, static_cast(0)); QVERIFY(loader.errorString() != unknown); bool unloaded = loader.unload(); #ifdef SHOW_ERRORS qDebug() << loader.errorString(); #endif QCOMPARE(unloaded, false); QVERIFY(loader.errorString() != unknown); } #if !defined Q_OS_WIN && !defined Q_OS_MAC && !defined Q_OS_HPUX { QPluginLoader loader( sys_qualifiedLibraryName("almostplugin")); //a plugin with unresolved symbols loader.setLoadHints(QLibrary::ResolveAllSymbolsHint); QCOMPARE(loader.load(), false); #ifdef SHOW_ERRORS qDebug() << loader.errorString(); #endif QVERIFY(loader.errorString() != unknown); QCOMPARE(loader.instance(), static_cast(0)); #ifdef SHOW_ERRORS qDebug() << loader.errorString(); #endif QVERIFY(loader.errorString() != unknown); QCOMPARE(loader.unload(), false); #ifdef SHOW_ERRORS qDebug() << loader.errorString(); #endif QVERIFY(loader.errorString() != unknown); } #endif { QPluginLoader loader( sys_qualifiedLibraryName("theplugin")); //a plugin QCOMPARE(loader.load(), true); QCOMPARE(loader.errorString(), unknown); QVERIFY(loader.instance() != static_cast(0)); QCOMPARE(loader.errorString(), unknown); QCOMPARE(loader.unload(), true); QCOMPARE(loader.errorString(), unknown); } } void tst_QPluginLoader::loadHints() { QPluginLoader loader; QCOMPARE(loader.loadHints(), (QLibrary::LoadHints)0); //Do not crash loader.setLoadHints(QLibrary::ResolveAllSymbolsHint); loader.setFileName( sys_qualifiedLibraryName("theplugin")); //a plugin QCOMPARE(loader.loadHints(), QLibrary::ResolveAllSymbolsHint); } void tst_QPluginLoader::deleteinstanceOnUnload() { for (int pass = 0; pass < 2; ++pass) { QPluginLoader loader1; loader1.setFileName( sys_qualifiedLibraryName("theplugin")); //a plugin if (pass == 0) loader1.load(); // not recommended, instance() should do the job. PluginInterface *instance1 = qobject_cast(loader1.instance()); QVERIFY(instance1); QCOMPARE(instance1->pluginName(), QLatin1String("Plugin ok")); QPluginLoader loader2; loader2.setFileName( sys_qualifiedLibraryName("theplugin")); //a plugin if (pass == 0) loader2.load(); // not recommended, instance() should do the job. PluginInterface *instance2 = qobject_cast(loader2.instance()); QCOMPARE(instance2->pluginName(), QLatin1String("Plugin ok")); QSignalSpy spy1(loader1.instance(), SIGNAL(destroyed())); QSignalSpy spy2(loader2.instance(), SIGNAL(destroyed())); QCOMPARE(loader1.unload(), false); // refcount not reached 0, not really unloaded QCOMPARE(spy1.count(), 0); QCOMPARE(spy2.count(), 0); QCOMPARE(instance1->pluginName(), QLatin1String("Plugin ok")); QCOMPARE(instance2->pluginName(), QLatin1String("Plugin ok")); QCOMPARE(loader2.unload(), true); // refcount reached 0, did really unload QCOMPARE(spy1.count(), 1); QCOMPARE(spy2.count(), 1); } } QTEST_APPLESS_MAIN(tst_QPluginLoader) #include "tst_qpluginloader.moc"