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#include <QtTest/QtTest>
#include <QtCore/qlocale.h>
#include <qaudiodeviceid.h>
#include <qaudiodeviceinfo.h>

#include <QStringList>
#include <QList>


class tst_QAudioDeviceId : public QObject
{
    Q_OBJECT

public:
    tst_QAudioDeviceId(QObject* parent=0) : QObject(parent) {}

private slots:
    void initTestCase();
    void checkNull();
    void checkEquality();

private:
    bool available;
};

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

void tst_QAudioDeviceId::checkNull()
{
    if(available) {
        // Default constructed is null.
        QAudioDeviceId deviceId0;
        QVERIFY(deviceId0.isNull());

        // Null is transferred
        QAudioDeviceId deviceId1(deviceId0);
        QVERIFY(deviceId1.isNull());
    }
}

void tst_QAudioDeviceId::checkEquality()
{
    if(available) {
        QAudioDeviceId  deviceId0;
        QAudioDeviceId  deviceId1;

        // Null ids are equivalent
        QVERIFY(deviceId0 == deviceId1);
        QVERIFY(!(deviceId0 != deviceId1));

        deviceId1 = QAudioDeviceInfo::defaultOutputDevice();

        // Different
        QVERIFY(deviceId0 != deviceId1);
        QVERIFY(!(deviceId0 == deviceId1));

        // Same
        deviceId0 = deviceId1;

        QVERIFY(deviceId0 == deviceId1);
        QVERIFY(!(deviceId0 != deviceId1));
    }
}

QTEST_MAIN(tst_QAudioDeviceId)

#include "tst_qaudiodeviceid.moc"