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diff --git a/tests/auto/qaudioformat/tst_qaudioformat.cpp b/tests/auto/qaudioformat/tst_qaudioformat.cpp
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+++ b/tests/auto/qaudioformat/tst_qaudioformat.cpp
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+/****************************************************************************
+**
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the test suite of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** GNU Lesser General Public License Usage
+** 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 1.1, 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.
+**
+** Other Usage
+** Alternatively, this file may be used in accordance with the terms and
+** conditions contained in a signed written agreement between you and Nokia.
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+
+#include <QtTest/QtTest>
+#include <QtCore/qlocale.h>
+#include <qaudioformat.h>
+
+#include <QStringList>
+#include <QList>
+
+//TESTED_COMPONENT=src/multimedia
+
+class tst_QAudioFormat : public QObject
+{
+    Q_OBJECT
+
+public:
+    tst_QAudioFormat(QObject* parent=0) : QObject(parent) {}
+
+private slots:
+    void checkNull();
+    void checkFrequency();
+    void checkChannels();
+    void checkSampleSize();
+    void checkCodec();
+    void checkByteOrder();
+    void checkSampleType();
+    void checkEquality();
+    void checkAssignment();
+};
+
+void tst_QAudioFormat::checkNull()
+{
+    // Default constructed QAudioFormat is invalid.
+    QAudioFormat    audioFormat0;
+    QVERIFY(!audioFormat0.isValid());
+
+    // validity is transferred
+    QAudioFormat    audioFormat1(audioFormat0);
+    QVERIFY(!audioFormat1.isValid());
+
+    audioFormat0.setFrequency(44100);
+    audioFormat0.setChannels(2);
+    audioFormat0.setSampleSize(16);
+    audioFormat0.setCodec("audio/pcm");
+    audioFormat0.setSampleType(QAudioFormat::SignedInt);
+    QVERIFY(audioFormat0.isValid());
+}
+
+void tst_QAudioFormat::checkFrequency()
+{
+    QAudioFormat    audioFormat;
+    audioFormat.setFrequency(44100);
+    QVERIFY(audioFormat.frequency() == 44100);
+}
+
+void tst_QAudioFormat::checkChannels()
+{
+    QAudioFormat    audioFormat;
+    audioFormat.setChannels(2);
+    QVERIFY(audioFormat.channels() == 2);
+}
+
+void tst_QAudioFormat::checkSampleSize()
+{
+    QAudioFormat    audioFormat;
+    audioFormat.setSampleSize(16);
+    QVERIFY(audioFormat.sampleSize() == 16);
+}
+
+void tst_QAudioFormat::checkCodec()
+{
+    QAudioFormat    audioFormat;
+    audioFormat.setCodec(QString::fromLatin1("audio/pcm"));
+    QVERIFY(audioFormat.codec() == QString::fromLatin1("audio/pcm"));
+}
+
+void tst_QAudioFormat::checkByteOrder()
+{
+    QAudioFormat    audioFormat;
+    audioFormat.setByteOrder(QAudioFormat::LittleEndian);
+    QVERIFY(audioFormat.byteOrder() == QAudioFormat::LittleEndian);
+}
+
+void tst_QAudioFormat::checkSampleType()
+{
+    QAudioFormat    audioFormat;
+    audioFormat.setSampleType(QAudioFormat::SignedInt);
+    QVERIFY(audioFormat.sampleType() == QAudioFormat::SignedInt);
+}
+
+void tst_QAudioFormat::checkEquality()
+{
+    QAudioFormat    audioFormat0;
+    QAudioFormat    audioFormat1;
+
+    // Null formats are equivalent
+    QVERIFY(audioFormat0 == audioFormat1);
+    QVERIFY(!(audioFormat0 != audioFormat1));
+
+    // on filled formats
+    audioFormat0.setFrequency(8000);
+    audioFormat0.setChannels(1);
+    audioFormat0.setSampleSize(8);
+    audioFormat0.setCodec("audio/pcm");
+    audioFormat0.setByteOrder(QAudioFormat::LittleEndian);
+    audioFormat0.setSampleType(QAudioFormat::UnSignedInt);
+
+    audioFormat1.setFrequency(8000);
+    audioFormat1.setChannels(1);
+    audioFormat1.setSampleSize(8);
+    audioFormat1.setCodec("audio/pcm");
+    audioFormat1.setByteOrder(QAudioFormat::LittleEndian);
+    audioFormat1.setSampleType(QAudioFormat::UnSignedInt);
+
+    QVERIFY(audioFormat0 == audioFormat1);
+    QVERIFY(!(audioFormat0 != audioFormat1));
+
+    audioFormat0.setFrequency(44100);
+    QVERIFY(audioFormat0 != audioFormat1);
+    QVERIFY(!(audioFormat0 == audioFormat1));
+}
+
+void tst_QAudioFormat::checkAssignment()
+{
+    QAudioFormat    audioFormat0;
+    QAudioFormat    audioFormat1;
+
+    audioFormat0.setFrequency(8000);
+    audioFormat0.setChannels(1);
+    audioFormat0.setSampleSize(8);
+    audioFormat0.setCodec("audio/pcm");
+    audioFormat0.setByteOrder(QAudioFormat::LittleEndian);
+    audioFormat0.setSampleType(QAudioFormat::UnSignedInt);
+
+    audioFormat1 = audioFormat0;
+    QVERIFY(audioFormat1 == audioFormat0);
+
+    QAudioFormat    audioFormat2(audioFormat0);
+    QVERIFY(audioFormat2 == audioFormat0);
+}
+
+QTEST_MAIN(tst_QAudioFormat)
+
+#include "tst_qaudioformat.moc"