qtmobility/tests/auto/qmediaservice/tst_qmediaservice.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Wed, 23 Jun 2010 19:08:38 +0300
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permissions -rw-r--r--
Revision: 201023 Kit: 2010125
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/****************************************************************************
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**
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the Qt Mobility Components.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** No Commercial Usage
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** This file contains pre-release code and may not be distributed.
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** You may use this file in accordance with the terms and conditions
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** contained in the Technology Preview License Agreement accompanying
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** this package.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file.  Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights.  These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** If you have questions regarding the use of this file, please contact
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** Nokia at qt-info@nokia.com.
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**
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**
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**
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**
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**
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**
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**
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include <QtTest/QtTest>
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#include <qvideodevicecontrol.h>
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#include <qmediacontrol.h>
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#include <qmediaservice.h>
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#include <QtGui/qapplication.h>
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#include <QtGui/qstyle.h>
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QT_BEGIN_NAMESPACE
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class QtTestMediaService;
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class tst_QMediaService : public QObject
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{
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    Q_OBJECT
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private slots:
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    void initTestCase();
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    void control_iid();
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    void control();
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};
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class QtTestMediaControlA : public QMediaControl
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{
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    Q_OBJECT
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};
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#define QtTestMediaControlA_iid "com.nokia.QtTestMediaControlA"
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Q_MEDIA_DECLARE_CONTROL(QtTestMediaControlA, QtTestMediaControlA_iid)
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class QtTestMediaControlB : public QMediaControl
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{
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    Q_OBJECT
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};
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#define QtTestMediaControlB_iid "com.nokia.QtTestMediaControlB"
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Q_MEDIA_DECLARE_CONTROL(QtTestMediaControlB, QtTestMediaControlB_iid)
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class QtTestMediaControlC : public QMediaControl
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{
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    Q_OBJECT
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};
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#define QtTestMediaControlC_iid "com.nokia.QtTestMediaControlC"
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Q_MEDIA_DECLARE_CONTROL(QtTestMediaControlC, QtTestMediaControlA_iid) // Yes A.
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class QtTestMediaControlD : public QMediaControl
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{
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    Q_OBJECT
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};
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#define QtTestMediaControlD_iid "com.nokia.QtTestMediaControlD"
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Q_MEDIA_DECLARE_CONTROL(QtTestMediaControlD, QtTestMediaControlD_iid)
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class QtTestMediaControlE : public QMediaControl
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{
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    Q_OBJECT
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};
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class QtTestMediaService : public QMediaService
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{
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    Q_OBJECT
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public:
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    QtTestMediaService()
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        : QMediaService(0)
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        , refA(0)
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        , refB(0)
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        , refC(0)
1
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    {
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    }
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14
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    QMediaControl *requestControl(const char *name)
1
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    {
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        if (strcmp(name, QtTestMediaControlA_iid) == 0) {
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            refA += 1;
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            return &controlA;
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        } else if (strcmp(name, QtTestMediaControlB_iid) == 0) {
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            refB += 1;
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            return &controlB;
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        } else if (strcmp(name, QtTestMediaControlC_iid) == 0) {
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            refA += 1;
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            return &controlA;
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        } else {
1
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            return 0;
14
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        }
1
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    }
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    void releaseControl(QMediaControl *control)
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    {
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        if (control == &controlA)
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            refA -= 1;
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        else if (control == &controlB)
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            refB -= 1;
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        else if (control == &controlC)
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            refC -= 1;
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    }
1
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14
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    using QMediaService::requestControl;
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    int refA;
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    int refB;
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    int refC;
1
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    QtTestMediaControlA controlA;
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    QtTestMediaControlB controlB;
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    QtTestMediaControlC controlC;
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};
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void tst_QMediaService::initTestCase()
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{    
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}
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void tst_QMediaService::control_iid()
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{
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    const char *nullString = 0;
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    // Default implementation.
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    QCOMPARE(qmediacontrol_iid<QtTestMediaControlE *>(), nullString);
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    // Partial template.
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    QVERIFY(qstrcmp(qmediacontrol_iid<QtTestMediaControlA *>(), QtTestMediaControlA_iid) == 0);
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}
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void tst_QMediaService::control()
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{
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    QtTestMediaService service;
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    QtTestMediaControlA *controlA = service.requestControl<QtTestMediaControlA *>();
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    QCOMPARE(controlA, &service.controlA);
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    service.releaseControl(controlA);
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    QtTestMediaControlB *controlB = service.requestControl<QtTestMediaControlB *>();
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    QCOMPARE(controlB, &service.controlB);
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    service.releaseControl(controlB);
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    QVERIFY(!service.requestControl<QtTestMediaControlC *>());  // Faulty implementation returns A.
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    QCOMPARE(service.refA, 0);  // Verify the control was released.
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    QVERIFY(!service.requestControl<QtTestMediaControlD *>());  // No control of that type.
1
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}
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5
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QT_END_NAMESPACE
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QT_USE_NAMESPACE
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1
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QTEST_MAIN(tst_QMediaService)
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#include "tst_qmediaservice.moc"