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/****************************************************************************
**
** 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.
** $QT_END_LICENSE$
**
****************************************************************************/
/*  This file is part of the KDE project
    Copyright (C) 2006-2007 Matthias Kretz <kretz@kde.org>

    This program is free software; you can redistribute it and/or
    modify it under the terms of the GNU General Public License as
    published by the Free Software Foundation; either version 2 of
    the License, or (at your option) version 3.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.

*/

#include <QtTest/QtTest>
#include <QtCore/QDate>
#include <QtCore/QDebug>
#include <QtCore/QObject>
#include <QtCore/QUrl>

#ifndef QT_NO_PHONON
#include <phonon/path.h>
#include <phonon/audiooutput.h>
#include <phonon/mediaobject.h>
#include <phonon/phononnamespace.h>
#include <phonon/audiooutput.h>
#include <phonon/seekslider.h>
#include <phonon/mediaobject.h>
#include <phonon/volumeslider.h>
#include <phonon/videowidget.h>
#include <phonon/backendcapabilities.h>

#include "qtesthelper.h"
#include <cstdlib>
#endif

#ifndef Q_WS_WIN
#include <unistd.h>
#endif

#ifdef Q_OS_WINCE
#define MEDIA_FILE "/sax.wav"
#define MEDIA_FILEPATH ":/media/sax.wav"
const qint64 SEEK_BACKWARDS = 2000;
const qint64 ALLOWED_TIME_FOR_SEEKING = 1500; // 1.5s
const qint64 SEEKING_TOLERANCE = 250;
#else 
#ifdef Q_OS_WIN
#define MEDIA_FILE "/sax.mp3"
#define MEDIA_FILEPATH ":/media/sax.mp3"
#else
#define MEDIA_FILE "/sax.ogg"
#define MEDIA_FILEPATH ":/media/sax.ogg"
#endif
const qint64 SEEK_BACKWARDS = 4000;
const qint64 ALLOWED_TIME_FOR_SEEKING = 1000; // 1s
const qint64 SEEKING_TOLERANCE = 0;
#endif //Q_OS_WINCE

class tst_MediaObject : public QObject
{
    Q_OBJECT
    public:
        tst_MediaObject()
            : m_success(false)
    {
        qputenv("PHONON_GST_AUDIOSINK", "fake");
    }

#ifndef QT_NO_PHONON

    Q_SIGNALS:
        void continueTestPlayOnFinish();

    protected Q_SLOTS:
        void enqueueMedia();
        void setMediaAndPlay();
        void stateChanged(Phonon::State, Phonon::State);
    private Q_SLOTS:
        void init();
        void cleanup();

        void testPlayFromResource();
        void testPlayIllegalFile();
        void initTestCase();
        void checkForDefaults();

        // state change tests
        void stopToStop();
        void stopToPause();
        void stopToPlay();
        void playToPlay();
        void playToPause();
        void playToStop();
        void pauseToPause();
        void pauseToPlay();
        void pauseToStop();

        void testPrefinishMark();
        void testSeek();
        void testTickSignal();
        void testJustInTimeQueuing();
        void testPlayOnFinish();
        void testPlayBeforeFinish();
        void testPauseOnFinish();
        void testReconnectBetweenTwoMediaObjects();
        void cleanupTestCase();
    private:
        void _startPlayback(Phonon::State currentState = Phonon::StoppedState);
        void _stopPlayback(Phonon::State currentState);
        void _pausePlayback();
        void _testOneSeek(qint64 seekTo);

        QUrl m_url;
        Phonon::MediaObject *m_media;
        QSignalSpy *m_stateChangedSignalSpy;
        QString m_tmpFileName;
#endif //QT_NO_PHONON
        bool m_success;
};

#ifndef QT_NO_PHONON

#define startPlayback() _startPlayback(); if (!m_success) return; m_success = false;
#define startPlayback2(currentState) _startPlayback(currentState); if (!m_success) return; m_success = false;
#define stopPlayback(currentState) _stopPlayback(currentState); if (!m_success) return; m_success = false;
#define pausePlayback() _pausePlayback(); if (!m_success) return; m_success = false;
#define testOneSeek(seekTo) _testOneSeek(seekTo); if (!m_success) return; m_success = false;

const qint64 ALLOWED_SEEK_INACCURACY = 300; // 0.3s
const qint64 ALLOWED_TICK_INACCURACY = 350; // allow +/- 350 ms inaccuracy

using namespace Phonon;

static qint64 castQVariantToInt64(const QVariant &variant)
{
    return *reinterpret_cast<const qint64 *>(variant.constData());
}

static qint32 castQVariantToInt32(const QVariant &variant)
{
    return *reinterpret_cast<const qint32 *>(variant.constData());
}

static const char *const red    = "\033[0;31m";
static const char *const green  = "\033[0;32m";
static const char *const yellow = "\033[0;33m";
static const char *const blue   = "\033[0;34m";
static const char *const purple = "\033[0;35m";
static const char *const cyan   = "\033[0;36m";
static const char *const white  = "\033[0;37m";
static const char *const normal = "\033[0m";

void tst_MediaObject::stateChanged(Phonon::State newstate, Phonon::State oldstate)
{
    if (newstate == Phonon::ErrorState) {
        QWARN(QByteArray(QByteArray(red) + ".......................................................... ") + QByteArray(QTest::toString(oldstate)) + " to " + QByteArray(QTest::toString(newstate)) + normal);
    } else {
        //qDebug() << ".........................................................." << cyan << QTest::toString(oldstate) << "to" << QTest::toString(newstate) << normal;
    }
}

void tst_MediaObject::testPlayFromResource()
{
    QFile file(MEDIA_FILEPATH);
    MediaObject media;
    media.setCurrentSource(&file);
    QVERIFY(media.state() != Phonon::ErrorState);
    if (media.state() != Phonon::StoppedState)
        QTest::waitForSignal(&media, SIGNAL(stateChanged(Phonon::State, Phonon::State)), 10000);
    QCOMPARE(media.state(), Phonon::StoppedState);
    media.play();
    if (media.state() != Phonon::PlayingState)
        QTest::waitForSignal(&media, SIGNAL(stateChanged(Phonon::State, Phonon::State)), 10000);
    QCOMPARE(media.state(), Phonon::PlayingState);
}

void tst_MediaObject::testPlayIllegalFile()
{
    QString filename = QDir::tempPath() + QString("/test.wav");
    QFile::remove(filename);
    QFile file(filename);
    file.open(QIODevice::WriteOnly);
    for (int i=0;i<0xffff;i++) {
        int r = qrand();
        file.write((const char*)&r, 2);
    }
    file.close();
    MediaObject media;
    media.setCurrentSource(filename);
    QTest::waitForSignal(&media, SIGNAL(stateChanged(Phonon::State, Phonon::State)), 10000);
    QCOMPARE(media.state(), Phonon::ErrorState);
    media.play();
    QCOMPARE(media.state(), Phonon::ErrorState);
    QFile::remove(filename);
}

void tst_MediaObject::init()
{
    QCOMPARE(m_media->outputPaths().size(), 1);
    if (m_media->state() == Phonon::ErrorState) {
        m_media->setCurrentSource(m_url);
        if (m_media->state() == Phonon::ErrorState) {
            QTest::waitForSignal(m_media, SIGNAL(stateChanged(Phonon::State, Phonon::State)));
        }
        if (m_media->state() == Phonon::LoadingState) {
            QTest::waitForSignal(m_media, SIGNAL(stateChanged(Phonon::State, Phonon::State)));
        }
        m_stateChangedSignalSpy->clear();
    }
}

void tst_MediaObject::cleanup()
{
    switch (m_media->state()) {
    case Phonon::PlayingState:
    case Phonon::BufferingState:
    case Phonon::PausedState:
        stopPlayback(m_media->state());
        break;
    default:
        break;
    }
    m_stateChangedSignalSpy->clear();
}

void tst_MediaObject::_startPlayback(Phonon::State currentState)
{
    m_stateChangedSignalSpy->clear();
    Phonon::State s = m_media->state();
    QCOMPARE(s, currentState);
    m_media->play();
    while (s != Phonon::PlayingState) {
        if (m_stateChangedSignalSpy->isEmpty()) {
            QTest::waitForSignal(m_media, SIGNAL(stateChanged(Phonon::State, Phonon::State)), 3000);
            QApplication::processEvents();
        }
        while (!m_stateChangedSignalSpy->isEmpty()) {
            QList<QVariant> args = m_stateChangedSignalSpy->takeFirst();
            Phonon::State laststate = qvariant_cast<Phonon::State>(args.at(1));
            QCOMPARE(laststate, s);
            s = qvariant_cast<Phonon::State>(args.at(0));
            QVERIFY(s == Phonon::BufferingState || s == Phonon::PlayingState);
        }
    }
    QCOMPARE(s, Phonon::PlayingState);
    QCOMPARE(m_media->state(), Phonon::PlayingState);
    m_success = true;
}

void tst_MediaObject::_stopPlayback(Phonon::State currentState)
{
    QVERIFY(currentState != Phonon::ErrorState);
    m_stateChangedSignalSpy->clear();
    Phonon::State s = m_media->state();
    QCOMPARE(s, currentState);
    m_media->stop();
    while (s != Phonon::StoppedState) {
        if (m_stateChangedSignalSpy->isEmpty()) {
            QVERIFY(QTest::waitForSignal(m_media, SIGNAL(stateChanged(Phonon::State, Phonon::State)), 4000));
        }
        while (!m_stateChangedSignalSpy->isEmpty()) {
            QList<QVariant> args = m_stateChangedSignalSpy->takeFirst();
            Phonon::State laststate = qvariant_cast<Phonon::State>(args.at(1));
            QCOMPARE(laststate, s);
            s = qvariant_cast<Phonon::State>(args.at(0));
            if (s == Phonon::StoppedState) {
                QVERIFY(m_stateChangedSignalSpy->isEmpty());
                break;
            }
            QVERIFY(s == Phonon::BufferingState || s == Phonon::PlayingState);
        }
    }
    QCOMPARE(s, Phonon::StoppedState);
    QCOMPARE(m_media->state(), Phonon::StoppedState);
    m_success = true;
}

void tst_MediaObject::_pausePlayback()
{
    m_stateChangedSignalSpy->clear();
    Phonon::State s = m_media->state();
    m_media->pause();
    while (s != Phonon::PausedState) {
        if (m_stateChangedSignalSpy->isEmpty()) {
            QTest::waitForSignal(m_media, SIGNAL(stateChanged(Phonon::State, Phonon::State)));
        }
        while (!m_stateChangedSignalSpy->isEmpty()) {
            QList<QVariant> args = m_stateChangedSignalSpy->takeFirst();
            Phonon::State laststate = qvariant_cast<Phonon::State>(args.at(1));
            QCOMPARE(laststate, s);
            s = qvariant_cast<Phonon::State>(args.at(0));
            if (s == Phonon::PausedState) {
                QVERIFY(m_stateChangedSignalSpy->isEmpty());
                break;
            }
            QVERIFY(s == Phonon::BufferingState || s == Phonon::PlayingState);
        }
    }
    QCOMPARE(s, Phonon::PausedState);
    QCOMPARE(m_media->state(), Phonon::PausedState);
    m_success = true;
}

void tst_MediaObject::initTestCase()
{
    QCoreApplication::setApplicationName("tst_MediaObject");
    m_stateChangedSignalSpy = 0;
    m_media = 0;

#ifdef Q_OS_WINCE
    QString pluginsPath = QLibraryInfo::location(QLibraryInfo::PluginsPath);
#ifdef DEBUG
    QVERIFY(QFile::exists(pluginsPath + "/phonon_backend/phonon_waveoutd4.dll") || QFile::exists(pluginsPath + "/phonon_backend/phonon_phonon_ds9d4.dll"));
#else
    QVERIFY(QFile::exists(pluginsPath + "/phonon_backend/phonon_waveout4.dll") || QFile::exists(pluginsPath + "/phonon_backend/phonon_phonon_ds94.dll"));
#endif
#endif


    m_url = qgetenv("PHONON_TESTURL");
    m_media = new MediaObject(this);
    connect(m_media, SIGNAL(stateChanged(Phonon::State, Phonon::State)), SLOT(stateChanged(Phonon::State, Phonon::State)));
    m_stateChangedSignalSpy = new QSignalSpy(m_media, SIGNAL(stateChanged(Phonon::State, Phonon::State)));
    QVERIFY(m_stateChangedSignalSpy->isValid());
    m_stateChangedSignalSpy->clear();

    if (m_url.isEmpty()) {
        m_tmpFileName = QDir::toNativeSeparators(QDir::tempPath() + MEDIA_FILE);
        QFile::remove(m_tmpFileName);
        QVERIFY(QFile::copy(MEDIA_FILEPATH, m_tmpFileName));
        QFile::Permissions p = QFile::permissions(m_tmpFileName);
        QFile::setPermissions(m_tmpFileName, p | QFile::WriteOther);
        m_url = QUrl::fromLocalFile(m_tmpFileName);
    }
    
    qDebug() << "Using url:" << m_url.toString();

    // AudioOutput is needed else the backend might have no time source
    AudioOutput *audioOutput = new AudioOutput(Phonon::MusicCategory, this);
    //audioOutput->setVolume(0.0f);

    QSignalSpy totalTimeChangedSignalSpy(m_media, SIGNAL(totalTimeChanged(qint64)));
    QVERIFY(m_media->queue().isEmpty());
    QCOMPARE(m_media->currentSource().type(), MediaSource::Empty);
    QCOMPARE(m_media->state(), Phonon::LoadingState);
    QCOMPARE(m_stateChangedSignalSpy->count(), 0);

    m_media->setCurrentSource(m_url);
    QCOMPARE(m_media->currentSource().type(), MediaSource::Url);
    QCOMPARE(m_media->currentSource().url(), m_url);

    int emits = m_stateChangedSignalSpy->count();
    Phonon::State s = m_media->state();
    if (s == Phonon::LoadingState) {
        // still in LoadingState, there should be no state change
        QCOMPARE(emits, 0);
        QTest::waitForSignal(m_media, SIGNAL(stateChanged(Phonon::State, Phonon::State)), 6000);
        emits = m_stateChangedSignalSpy->count();
        s = m_media->state();
    }
    if (s != Phonon::LoadingState) {
        // there should exactly be one state change
        QCOMPARE(emits, 1);
        QList<QVariant> args = m_stateChangedSignalSpy->takeFirst();
        Phonon::State newstate = qvariant_cast<Phonon::State>(args.at(0));
        Phonon::State oldstate = qvariant_cast<Phonon::State>(args.at(1));

        QCOMPARE(Phonon::LoadingState, oldstate);
        QCOMPARE(s, newstate);
        if (Phonon::ErrorState == s) {
#ifdef Q_WS_WIN
            if (m_media->errorString().contains(QLatin1String("no audio hardware is available")))
                QSKIP("On Windows we need an audio devide to perform the MediaObject tests", SkipAll); 
            else
#endif
            QFAIL("Loading the URL put the MediaObject into the ErrorState. Check that PHONON_TESTURL is set to a valid URL.");
        }
        QCOMPARE(Phonon::StoppedState, s);
        QCOMPARE(m_stateChangedSignalSpy->count(), 0);

        // check for totalTimeChanged signal
        QVERIFY(totalTimeChangedSignalSpy.count() > 0);
        args = totalTimeChangedSignalSpy.takeLast();
        QCOMPARE(m_media->totalTime(), castQVariantToInt64(args.at(0)));
    } else {
        QFAIL("Still in LoadingState after a stateChange signal was emitted. Cannot go on.");
    }

    Path path = createPath(m_media, audioOutput);
    QVERIFY(path.isValid());


    QCOMPARE(m_media->outputPaths().size(), 1);
    QCOMPARE(audioOutput->inputPaths().size(), 1);

}

void tst_MediaObject::checkForDefaults()
{
    QCOMPARE(m_media->tickInterval(), qint32(0));
    QCOMPARE(m_media->prefinishMark(), qint32(0));
}

void tst_MediaObject::stopToStop()
{
    QCOMPARE(m_stateChangedSignalSpy->count(), 0);
    QCOMPARE(m_media->state(), Phonon::StoppedState);
    m_media->stop();
    QTest::waitForSignal(m_media, SIGNAL(stateChanged(Phonon::State, Phonon::State)), 2000);
    QCOMPARE(m_stateChangedSignalSpy->count(), 0);
    QCOMPARE(m_media->state(), Phonon::StoppedState);
}

void tst_MediaObject::stopToPause()
{
    QCOMPARE(m_stateChangedSignalSpy->count(), 0);
    QCOMPARE(m_media->state(), Phonon::StoppedState);
    m_media->pause();
    if (m_stateChangedSignalSpy->isEmpty()) {
        QVERIFY(QTest::waitForSignal(m_media, SIGNAL(stateChanged(Phonon::State, Phonon::State)), 6000));
    }
    QCOMPARE(m_stateChangedSignalSpy->count(), 1);
    QCOMPARE(m_media->state(), Phonon::PausedState);
}

void tst_MediaObject::stopToPlay()
{
    startPlayback();
    QTest::waitForSignal(m_media, SIGNAL(finished()), 1000);
    stopPlayback(Phonon::PlayingState);
}

void tst_MediaObject::playToPlay()
{
    startPlayback();

    m_media->play();
    QCOMPARE(m_stateChangedSignalSpy->count(), 0);
    QCOMPARE(m_media->state(), Phonon::PlayingState);

    stopPlayback(Phonon::PlayingState);
}

void tst_MediaObject::playToPause()
{
    startPlayback();
    QCOMPARE(m_media->state(), Phonon::PlayingState);
    pausePlayback();
    stopPlayback(Phonon::PausedState);
}

void tst_MediaObject::playToStop()
{
    startPlayback();
    stopPlayback(Phonon::PlayingState);
}

void tst_MediaObject::pauseToPause()
{
    startPlayback();
    pausePlayback();

    m_media->pause();
    QCOMPARE(m_stateChangedSignalSpy->count(), 0);
    QCOMPARE(m_media->state(), Phonon::PausedState);

    stopPlayback(Phonon::PausedState);
}

void tst_MediaObject::pauseToPlay()
{
    startPlayback();
    pausePlayback();
    startPlayback2(Phonon::PausedState);
    stopPlayback(Phonon::PlayingState);
}

void tst_MediaObject::pauseToStop()
{
    startPlayback();
    pausePlayback();
    stopPlayback(Phonon::PausedState);
}

void tst_MediaObject::testPrefinishMark()
{
    const qint32 requestedPrefinishMarkTime = 2000;
    m_media->setPrefinishMark(requestedPrefinishMarkTime);
    QCOMPARE(m_media->prefinishMark(), requestedPrefinishMarkTime);
    QSignalSpy prefinishMarkReachedSpy(m_media, SIGNAL(prefinishMarkReached(qint32)));
    QSignalSpy finishSpy(m_media, SIGNAL(finished()));
    startPlayback();
    if (m_media->isSeekable()) {
        m_media->seek(m_media->totalTime() - SEEK_BACKWARDS - requestedPrefinishMarkTime); // give it 4 seconds
    }
    int wait = 10000;
    int total = 0;
    while (prefinishMarkReachedSpy.count() == 0 && (m_media->state() == Phonon::PlayingState ||
                m_media->state() == Phonon::BufferingState)) {
        wait = qMax(1000, wait / 2);
        QTest::waitForSignal(m_media, SIGNAL(prefinishMarkReached(qint32)), wait);
        total += wait;
        if (total >= 60*1000) // we wait 1 minute
            QFAIL("Timeout failure waiting for signal");
    }
    // at this point the media should be about to finish playing
    qint64 r = m_media->remainingTime();
    Phonon::State state = m_media->state();
    QCOMPARE(prefinishMarkReachedSpy.count(), 1);
    const qint32 prefinishMark = castQVariantToInt32(prefinishMarkReachedSpy.first().at(0));
    QVERIFY(prefinishMark <= requestedPrefinishMarkTime + 150); // allow it to be up to 150ms too early
    if (state == Phonon::PlayingState || state == Phonon::BufferingState) {
        if (r > prefinishMark) {
            qDebug() << "remainingTime =" << r;
            QFAIL("remainingTime needs to be less than or equal to prefinishMark");
        }
        QVERIFY(r <= prefinishMark);
        QTest::waitForSignal(m_media, SIGNAL(finished()), 10000);
    } else {
        QVERIFY(prefinishMark >= 0);
    }
    QCOMPARE(finishSpy.count(), 1);
}

void tst_MediaObject::enqueueMedia()
{
    m_media->enqueue(m_url);
}

Q_DECLARE_METATYPE(Phonon::MediaSource)
void tst_MediaObject::testJustInTimeQueuing()
{
#ifdef Q_OS_WINCE
    QSKIP("crashes on Windows CE", SkipAll);
#endif
    qRegisterMetaType<Phonon::MediaSource>("Phonon::MediaSource");
    QSignalSpy currentSourceChanged(m_media, SIGNAL(currentSourceChanged(const Phonon::MediaSource &)));
    QSignalSpy finished(m_media, SIGNAL(finished()));
    connect(m_media, SIGNAL(aboutToFinish()), SLOT(enqueueMedia()));

    startPlayback();
    if (m_media->isSeekable()) {
        m_media->seek(m_media->totalTime() - SEEK_BACKWARDS);
        QVERIFY(QTest::waitForSignal(m_media, SIGNAL(aboutToFinish()), 6000));
    } else {
        QVERIFY(QTest::waitForSignal(m_media, SIGNAL(aboutToFinish()), 3000 + m_media->remainingTime()));
    }
    disconnect(m_media, SIGNAL(aboutToFinish()), this, SLOT(enqueueMedia()));
    if (currentSourceChanged.isEmpty()) {
        QVERIFY(QTest::waitForSignal(m_media, SIGNAL(currentSourceChanged(const Phonon::MediaSource &)), 3000));
    }
    QCOMPARE(currentSourceChanged.size(), 1);
    QCOMPARE(finished.size(), 0);
    QVERIFY(m_media->queue().isEmpty());
    stopPlayback(m_media->state());
}

void tst_MediaObject::testPauseOnFinish()
{
    startPlayback();
    QTest::waitForSignal(m_media, SIGNAL(stateChanged(Phonon::State, Phonon::State)), 1000);
    QCOMPARE(m_media->state(), Phonon::PlayingState);
    if (m_media->isSeekable() && m_media->totalTime() > 2000)
        m_media->seek(m_media->totalTime() - 2000);
    QTest::waitForSignal(m_media, SIGNAL(finished()), 4000);
    QTest::waitForSignal(m_media, SIGNAL(stateChanged(Phonon::State, Phonon::State)), 1000);

    QCOMPARE(m_media->state(), Phonon::PausedState);
    connect(m_media, SIGNAL(finished()), m_media, SLOT(stop()));
    m_media->seek(m_media->totalTime() - 2000);
    m_media->play();

    QTest::waitForSignal(m_media, SIGNAL(stateChanged(Phonon::State, Phonon::State)), 1000);
    QCOMPARE(m_media->state(), Phonon::PlayingState);
    QTest::waitForSignal(m_media, SIGNAL(finished()), 4000);
    QTest::waitForSignal(m_media, SIGNAL(stateChanged(Phonon::State, Phonon::State)), 1000);
    stopPlayback(Phonon::StoppedState);
}

void tst_MediaObject::testReconnectBetweenTwoMediaObjects(){
    // Purpose: Test that phonon can handle swithing the same sink
    // between different media objects.

    Phonon::MediaObject obj1;
    Phonon::MediaObject obj2;
    Phonon::AudioOutput audio1;
    Phonon::Path p1 = Phonon::createPath(&obj1, &audio1);
    QVERIFY(p1.isValid());

    QVERIFY(p1.reconnect(&obj1, &audio1));
    QVERIFY(p1.isValid());
    QVERIFY(p1.reconnect(&obj2, &audio1));
    QVERIFY(p1.isValid());
    QVERIFY(p1.reconnect(&obj1, &audio1));
    QVERIFY(p1.isValid());

    // Repeat the same test while playing:
    QFile file(MEDIA_FILEPATH);
    obj1.setCurrentSource(&file);
    QFile file2(MEDIA_FILEPATH);
    obj2.setCurrentSource(&file2);
    obj1.play();
    obj2.play();
    
    QVERIFY(p1.reconnect(&obj1, &audio1));
    QVERIFY(p1.isValid());
    QVERIFY(p1.reconnect(&obj2, &audio1));
    QVERIFY(p1.isValid());
    QVERIFY(p1.reconnect(&obj1, &audio1));
    QVERIFY(p1.isValid());
}

void tst_MediaObject::testPlayOnFinish()
{
    connect(m_media, SIGNAL(finished()), SLOT(setMediaAndPlay()));
    startPlayback();
    if (m_media->isSeekable()) {
        m_media->seek(m_media->totalTime() - SEEK_BACKWARDS);
        QVERIFY(QTest::waitForSignal(this, SIGNAL(continueTestPlayOnFinish()), 6000));
    } else {
        QVERIFY(QTest::waitForSignal(this, SIGNAL(continueTestPlayOnFinish()), 3000 + m_media->remainingTime()));
    }
    QTest::waitForSignal(m_media, SIGNAL(finished()), 1000);
    stopPlayback(m_media->state());
}

void tst_MediaObject::testTickSignal()
{
    QTime start1;
    QTime start2;
#ifdef Q_OS_WINCE //On Windows CE we only provide ticks above 400ms
    for (qint32 tickInterval = 400; tickInterval <= 1000; tickInterval *= 2)
#else
    for (qint32 tickInterval = 80; tickInterval <= 500; tickInterval *= 2)
#endif
    {
        QSignalSpy tickSpy(m_media, SIGNAL(tick(qint64)));
        //qDebug() << "Test 20 ticks with an interval of" <<  tickInterval << "ms";
        m_media->setTickInterval(tickInterval);
        QVERIFY(m_media->tickInterval() <= tickInterval);
        QVERIFY(m_media->tickInterval() >= tickInterval/2);
        QVERIFY(tickSpy.isEmpty());
        m_media->seek(0); //let's go back to the beginning
        start1.start();
        startPlayback();
        start2.start();
        int lastCount = 0;
        qint64 s1, s2 = start2.elapsed();
        while (tickSpy.count() < 20 && (m_media->state() == Phonon::PlayingState || m_media->state() == Phonon::BufferingState))
        {
            if (tickSpy.count() > lastCount)
            {
                s1 = start1.elapsed();
                qint64 tickTime = castQVariantToInt64(tickSpy.last().at(0));
                lastCount = tickSpy.count();
                // s1 is the time from before the beginning of the playback to
                // after the tick signal
                // s2 is the time from after the beginning of the playback to
                // before the tick signal
                // so: s2 <= s1
                QVERIFY(tickTime <= m_media->currentTime());
                if (s1 + ALLOWED_TICK_INACCURACY < tickTime || s2 - ALLOWED_TICK_INACCURACY > tickTime) {
                    qDebug()
                        << "\n" << lastCount << "ticks have been received"
                        << "\ntime from before playback was started to after the tick signal was received:" << s1 << "ms"
                        << "\ntime from after playback was started to before the tick signal was received:" << s2 << "ms"
                        << "\nreported tick time:" << tickTime << "ms"
                        << "\nallowed inaccuracy: +/-" << ALLOWED_TICK_INACCURACY << "ms";
                    for (int i = 0; i < tickSpy.count(); ++i) {
                        qDebug() << castQVariantToInt64(tickSpy[i].at(0));
                    }
                }
                QVERIFY(s1 + ALLOWED_TICK_INACCURACY >= tickTime);
                QVERIFY(s2 - ALLOWED_TICK_INACCURACY <= tickTime);
#ifndef Q_OS_WINCE
                QVERIFY(s1 >= lastCount * m_media->tickInterval());
#else
                QVERIFY(s1 >= lastCount * m_media->tickInterval() - ALLOWED_TICK_INACCURACY);
#endif
                if (s2 > (lastCount + 1) * m_media->tickInterval())
                    QWARN(qPrintable(QString("%1. tick came too late: %2ms elapsed while this tick should have come before %3ms")
                            .arg(lastCount).arg(s2).arg((lastCount + 1) * m_media->tickInterval())));
            } else if (lastCount == 0 && s2 > 20 * m_media->tickInterval()) {
                QFAIL("no tick signals are being received");
            }
            s2 = start2.elapsed();
            QTest::waitForSignal(m_media, SIGNAL(tick(qint64)), 2000);
        }
#ifndef Q_OS_WINCE //the shorter wave file is finished on Windows CE...
        stopPlayback(Phonon::PlayingState);
#else
        stopPlayback(m_media->state());
#endif
    }
}

void tst_MediaObject::testSeek()
{
    m_media->seek(0); // let's seek back to the beginning
    startPlayback();
    QTime timer;
    timer.start();
    qint64 t = m_media->totalTime();
    qint64 c = m_media->currentTime();
    qint64 r = m_media->remainingTime();
    int elapsed = timer.elapsed();
    if (c + r > t + elapsed || c + r < t - elapsed) {
    //  qDebug() << "currentTime:" << c
    //      << "remainingTime:" << r
    //      << "totalTime:" << t;
        QFAIL("currentTime + remainingTime doesn't come close enough to totalTime");
    }

    QVERIFY(c + r <= t + elapsed);
    QVERIFY(c + r >= t - elapsed);
    if (m_media->isSeekable())
        if (r > 0)
        {
            m_media->setTickInterval(20);
            qint64 s = c + r / 2;
            testOneSeek(s);

            s /= 2;
            testOneSeek(s);
            s = s * 3 / 2;
            testOneSeek(s);

            pausePlayback();

            s = s * 3 / 2;
            testOneSeek(s);
            s /= 2;
            testOneSeek(s);

            m_media->setTickInterval(0);


            stopPlayback(Phonon::PausedState);
            return;
        }
        else
            QWARN("didn't test seeking as the MediaObject reported a remaining size <= 0");
    else
        QWARN("didn't test seeking as the MediaObject is not seekable");
    stopPlayback(Phonon::PlayingState);
}


void tst_MediaObject::setMediaAndPlay()
{
    m_stateChangedSignalSpy->clear();
    QCOMPARE(m_stateChangedSignalSpy->count(), 0);

    QSignalSpy totalTimeChangedSignalSpy(m_media, SIGNAL(totalTimeChanged(qint64)));
    QVERIFY(m_media->currentSource().type() != MediaSource::Invalid);
    Phonon::State state = m_media->state();
    QVERIFY(state == Phonon::StoppedState || state == Phonon::PlayingState || Phonon::PausedState);
    m_media->setCurrentSource(m_url);
    // before calling play() we better make sure that if play() finishes very fast that we don't get
    // called again
    disconnect(m_media, SIGNAL(finished()), this, SLOT(setMediaAndPlay()));
    state = m_media->state();
    startPlayback2(state);

    emit continueTestPlayOnFinish();
}

void tst_MediaObject::testPlayBeforeFinish()
{
    startPlayback();
    QCOMPARE(m_stateChangedSignalSpy->size(), 0);
    Phonon::State state = m_media->state();
    QCOMPARE(state, Phonon::PlayingState);
    m_media->setCurrentSource(m_url);
    m_media->play();
    if (m_stateChangedSignalSpy->isEmpty()) {
        QVERIFY(QTest::waitForSignal(m_media, SIGNAL(stateChanged(Phonon::State, Phonon::State)), 4000));
    }
    // first (optional) state to reach is StoppedState
    QList<QVariant> args = m_stateChangedSignalSpy->takeFirst();
    Phonon::State oldstate = qvariant_cast<Phonon::State>(args.at(1));
    QCOMPARE(oldstate, state);
    state = qvariant_cast<Phonon::State>(args.at(0));
    if (state == Phonon::StoppedState) {
        if (m_stateChangedSignalSpy->isEmpty()) {
            QVERIFY(QTest::waitForSignal(m_media, SIGNAL(stateChanged(Phonon::State, Phonon::State)), 4000));
        }
        args = m_stateChangedSignalSpy->takeFirst();
        oldstate = qvariant_cast<Phonon::State>(args.at(1));
        QCOMPARE(oldstate, state);
        state = qvariant_cast<Phonon::State>(args.at(0));
    }
    // next LoadingState
    QCOMPARE(state, Phonon::LoadingState);
    if (m_stateChangedSignalSpy->isEmpty()) {
        QVERIFY(QTest::waitForSignal(m_media, SIGNAL(stateChanged(Phonon::State, Phonon::State)), 4000));
    }
    // next either BufferingState or PlayingState
    args = m_stateChangedSignalSpy->takeFirst();
    oldstate = qvariant_cast<Phonon::State>(args.at(1));
    QCOMPARE(oldstate, state);
    state = qvariant_cast<Phonon::State>(args.at(0));
    if (state == Phonon::BufferingState) {
        if (m_stateChangedSignalSpy->isEmpty()) {
            QVERIFY(QTest::waitForSignal(m_media, SIGNAL(stateChanged(Phonon::State, Phonon::State)), 4000)); // buffering can take a while
        }
        args = m_stateChangedSignalSpy->takeFirst();
        oldstate = qvariant_cast<Phonon::State>(args.at(1));
        QCOMPARE(oldstate, state);
        state = qvariant_cast<Phonon::State>(args.at(0));
    }
#ifdef Q_WS_MAC
    // m_media->setCurrentSource(m_url) in phonon frontend will always call
    // 'stop' on the backend before calling 'setSource'. So the QT7 backend
    // goes into stop, and naturally remains there after setting the new source.
    // So going into playing state cannot happend when the backend is synchronized.
    // Thats the reason for the ifdef.
    QCOMPARE(state, Phonon::StoppedState);
#else
    stopPlayback(Phonon::PlayingState);
#endif
}

void tst_MediaObject::cleanupTestCase()
{
    if (m_stateChangedSignalSpy)
      delete m_stateChangedSignalSpy;
    if (m_media)
      delete m_media;
#ifdef Q_OS_WINCE
    QTest::qWait(200);
#endif
    if (!m_tmpFileName.isNull()) {
        QVERIFY(QFile::remove(m_tmpFileName));
    }
}

void tst_MediaObject::_testOneSeek(qint64 seekTo)
{
   qint64 t = m_media->totalTime();
    qint64 oldTime = m_media->currentTime();
    if (oldTime == seekTo) {
        return;
    }

    QTime seekDuration;
    seekDuration.start();
    m_media->seek(seekTo);

    QVERIFY(oldTime == 0 || seekTo == 0 || m_media->currentTime() != 0);

    int bufferingTime = 0;
    Phonon::State s = m_media->state();
    QTime timer;
    if (s == Phonon::BufferingState) {
        timer.start();
    }
    QEventLoop loop;
    connect(m_media, SIGNAL(tick(qint64)), &loop, SLOT(quit()));
    connect(m_media, SIGNAL(stateChanged(Phonon::State,Phonon::State)), &loop, SLOT(quit()));

    qint64 c = m_media->currentTime();
    qint64 r = m_media->remainingTime();
    int elapsed = 0;
    while (qAbs(c - seekTo) > ALLOWED_SEEK_INACCURACY){
        QTimer::singleShot(ALLOWED_TIME_FOR_SEEKING, &loop, SLOT(quit()));

        loop.exec();
        c = m_media->currentTime();
        r = m_media->remainingTime();
        if (s == Phonon::BufferingState) {
            bufferingTime += timer.restart();
        } else {
            timer.start();
        }
        s = m_media->state();
        elapsed = seekDuration.elapsed();
        QVERIFY(elapsed - bufferingTime < (ALLOWED_TIME_FOR_SEEKING + SEEKING_TOLERANCE));
    }

    QVERIFY(c >= seekTo - ALLOWED_SEEK_INACCURACY);
    if (s == Phonon::PausedState) {
        QVERIFY(bufferingTime == 0);
        elapsed = 0;
    }
    if (c > seekTo + ALLOWED_SEEK_INACCURACY + elapsed - bufferingTime) {
        QFAIL("currentTime is greater than the requested time + the time that elapsed since the seek started.");
    }
    if (c + r > t + 200 || c + r < t - 200) {
        QFAIL("currentTime + remainingTime doesn't come close enough to totalTime");
    }
    m_success = true;
}

#endif //QT_NO_PHONON


QTEST_MAIN(tst_MediaObject)

#include "tst_mediaobject.moc"
// vim: sw=4 ts=4