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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Qt Software Information (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 qt-sales@nokia.com.
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtTest/QtTest>
#include <qdir.h>
#include <qpluginloader.h>
#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<QObject*>(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<QObject*>(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<QObject*>(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<QObject*>(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<QObject*>(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<PluginInterface*>(loader1.instance());
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<PluginInterface*>(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"
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