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diff --git a/tests/auto/qaudiodeviceinfo/tst_qaudiodeviceinfo.cpp b/tests/auto/qaudiodeviceinfo/tst_qaudiodeviceinfo.cpp
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+++ b/tests/auto/qaudiodeviceinfo/tst_qaudiodeviceinfo.cpp
@@ -0,0 +1,159 @@
+/****************************************************************************
+**
+** 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.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+
+#include <QtTest/QtTest>
+#include <QtCore/qlocale.h>
+#include <qaudiodeviceinfo.h>
+
+#include <QStringList>
+#include <QList>
+
+
+class tst_QAudioDeviceInfo : public QObject
+{
+    Q_OBJECT
+public:
+    tst_QAudioDeviceInfo(QObject* parent=0) : QObject(parent) {}
+
+private slots:
+    void checkAvailableDefaultInput();
+    void checkAvailableDefaultOutput();
+    void outputList();
+    void codecs();
+    void channels();
+    void sampleSizes();
+    void byteOrders();
+    void sampleTypes();
+    void frequencies();
+    void isformat();
+    void preferred();
+    void nearest();
+
+private:
+    QAudioDeviceInfo* device;
+};
+
+void tst_QAudioDeviceInfo::checkAvailableDefaultInput()
+{
+    QVERIFY(!QAudioDeviceInfo::defaultInputDevice().isNull());
+}
+
+void tst_QAudioDeviceInfo::checkAvailableDefaultOutput()
+{
+    QVERIFY(!QAudioDeviceInfo::defaultOutputDevice().isNull());
+}
+
+void tst_QAudioDeviceInfo::outputList()
+{
+    QList<QAudioDeviceId> devices = QAudioDeviceInfo::deviceList(QAudio::AudioOutput);
+    QVERIFY(devices.size() > 0);
+    device = new QAudioDeviceInfo(devices.at(0), this);
+}
+
+void tst_QAudioDeviceInfo::codecs()
+{
+    QStringList avail = device->supportedCodecs();
+    QVERIFY(avail.size() > 0);
+}
+
+void tst_QAudioDeviceInfo::channels()
+{
+    QList<int> avail = device->supportedChannels();
+    QVERIFY(avail.size() > 0);
+}
+
+void tst_QAudioDeviceInfo::sampleSizes()
+{
+    QList<int> avail = device->supportedSampleSizes();
+    QVERIFY(avail.size() > 0);
+}
+
+void tst_QAudioDeviceInfo::byteOrders()
+{
+    QList<QAudioFormat::Endian> avail = device->supportedByteOrders();
+    QVERIFY(avail.size() > 0);
+}
+
+void tst_QAudioDeviceInfo::sampleTypes()
+{
+    QList<QAudioFormat::SampleType> avail = device->supportedSampleTypes();
+    QVERIFY(avail.size() > 0);
+}
+
+void tst_QAudioDeviceInfo::frequencies()
+{
+    QList<int> avail = device->supportedFrequencies();
+    QVERIFY(avail.size() > 0);
+}
+
+void tst_QAudioDeviceInfo::isformat()
+{
+    QAudioFormat     format;
+    format.setFrequency(44100);
+    format.setChannels(2);
+    format.setSampleType(QAudioFormat::SignedInt);
+    format.setByteOrder(QAudioFormat::LittleEndian);
+    format.setSampleSize(16);
+    format.setCodec("audio/pcm");
+
+    // Should always be true for these format
+    QVERIFY(device->isFormatSupported(format));
+}
+
+void tst_QAudioDeviceInfo::preferred()
+{
+    QAudioFormat format = device->preferredFormat();
+    QVERIFY(format.frequency() == 44100);
+    QVERIFY(format.channels() == 2);
+}
+
+void tst_QAudioDeviceInfo::nearest()
+{
+    QAudioFormat format1, format2;
+    format1.setFrequency(8000);
+    format2 = device->nearestFormat(format1);
+    QVERIFY(format2.frequency() == 44100);
+}
+
+QTEST_MAIN(tst_QAudioDeviceInfo)
+
+#include "tst_qaudiodeviceinfo.moc"