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#include <QtTest/QtTest>
#include <QtCore/qlocale.h>
#include <qaudioinput.h>
#include <qaudiodeviceinfo.h>
#include <qaudio.h>
#include <qaudioformat.h>


class tst_QAudioInput : public QObject
{
    Q_OBJECT
public:
    tst_QAudioInput(QObject* parent=0) : QObject(parent) {}

private slots:
    void initTestCase();
    void settings();
    void notifyInterval();
    void pullFile();

private:
    bool           available;
    QAudioFormat   format;
    QAudioInput*   audio;
};

void tst_QAudioInput::initTestCase()
{
    format.setFrequency(8000);
    format.setChannels(1);
    format.setSampleSize(8);
    format.setCodec("audio/pcm");
    format.setByteOrder(QAudioFormat::LittleEndian);
    format.setSampleType(QAudioFormat::UnSignedInt);

    // Only perform tests if audio input device exists!
    QList<QAudioDeviceId> devices = QAudioDeviceInfo::deviceList(QAudio::AudioInput);
    if(devices.size() > 0)
        available = true;
    else {
        qWarning()<<"NOTE: no audio input device found, no test will be performed";
        available = false;
    }

    if(available)
        audio = new QAudioInput(format, this);
}

void tst_QAudioInput::settings()
{
    if(available) {
        QAudioFormat f = audio->format();

        QVERIFY(format.channels() == f.channels());
        QVERIFY(format.frequency() == f.frequency());
        QVERIFY(format.sampleSize() == f.sampleSize());
        QVERIFY(format.codec() == f.codec());
        QVERIFY(format.byteOrder() == f.byteOrder());
        QVERIFY(format.sampleType() == f.sampleType());
    }
}

void tst_QAudioInput::notifyInterval()
{
    if(available) {
        QVERIFY(audio->notifyInterval() == 1000);   // Default

        audio->setNotifyInterval(500);
        QVERIFY(audio->notifyInterval() == 500);    // Custom

        audio->setNotifyInterval(1000);             // reset
    }
}

void tst_QAudioInput::pullFile()
{
    if(available) {
        QFile filename(SRCDIR "test.raw");
        filename.open( QIODevice::WriteOnly | QIODevice::Truncate );

        QSignalSpy readSignal(audio, SIGNAL(notify()));
        audio->start(&filename);

        QTest::qWait(5000);

        QVERIFY(readSignal.count() > 0);
        QVERIFY(audio->totalTime() > 0);

        audio->stop();
        filename.close();
    }
}

QTEST_MAIN(tst_QAudioInput)

#include "tst_qaudioinput.moc"