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diff --git a/tests/auto/qxmlserializer/tst_qxmlserializer.cpp b/tests/auto/qxmlserializer/tst_qxmlserializer.cpp
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+/****************************************************************************
+**
+** Copyright (C) 2011 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.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** 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 Technology Preview License Agreement accompanying
+** this package.
+**
+** 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 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+
+#include <QtTest/QtTest>
+
+#ifdef QTEST_XMLPATTERNS
+#include <QtCore/QTextCodec>
+#include <QtXmlPatterns/QXmlSerializer>
+#include <QtXmlPatterns/QXmlQuery>
+
+#include "../qxmlquery/MessageSilencer.h"
+
+/*!
+ \class tst_QXmlSerializer
+ \internal
+ \since 4.4
+ \brief Tests QSourceLocation
+
+ */
+class tst_QXmlSerializer : public QObject
+{
+    Q_OBJECT
+
+private Q_SLOTS:
+    void constructorTriggerWarnings() const;
+    void objectSize() const;
+    void constCorrectness() const;
+    void setCodec() const;
+    void codec() const;
+    void outputDevice() const;
+    void serializationError() const;
+    void serializationError_data() const;
+    void cleanUpTestCase() const;
+};
+
+void tst_QXmlSerializer::constructorTriggerWarnings() const
+{
+    QXmlQuery query;
+
+    QTest::ignoreMessage(QtWarningMsg, "outputDevice cannot be null.");
+    QXmlSerializer(query, 0);
+
+    QTest::ignoreMessage(QtWarningMsg, "outputDevice must be opened in write mode.");
+    QBuffer buffer;
+    QXmlSerializer(query, &buffer);
+}
+
+void tst_QXmlSerializer::constCorrectness() const
+{
+    QXmlQuery query;
+    QFile file(QLatin1String("dummy.xml"));
+    file.open(QIODevice::WriteOnly);
+    const QXmlSerializer serializer(query, &file);
+    /* These functions must be const. */
+
+    serializer.outputDevice();
+    serializer.codec();
+}
+
+void tst_QXmlSerializer::objectSize() const
+{
+    QCOMPARE(sizeof(QXmlSerializer), sizeof(QAbstractXmlReceiver));
+}
+
+void tst_QXmlSerializer::setCodec() const
+{
+    QFile file(QLatin1String("dummy.xml"));
+    file.open(QIODevice::WriteOnly);
+
+    /* Ensure we can take a const pointer. */
+    {
+        QXmlQuery query;
+        QXmlSerializer serializer(query, &file);
+        serializer.setCodec(const_cast<const QTextCodec *>(QTextCodec::codecForName("UTF-8")));
+    }
+
+    /* Check that setting the codec has effect. */
+    {
+        QXmlQuery query;
+        QXmlSerializer serializer(query, &file);
+        serializer.setCodec(const_cast<const QTextCodec *>(QTextCodec::codecForName("UTF-16")));
+        QCOMPARE(serializer.codec()->name(), QTextCodec::codecForName("UTF-16")->name());
+
+        /* Set it back. */
+        serializer.setCodec(const_cast<const QTextCodec *>(QTextCodec::codecForName("UTF-8")));
+        QCOMPARE(serializer.codec()->name(), QTextCodec::codecForName("UTF-8")->name());
+    }
+}
+
+void tst_QXmlSerializer::codec() const
+{
+    QFile file(QLatin1String("dummy.xml"));
+    file.open(QIODevice::WriteOnly);
+
+    /* Check default value. */
+    {
+        const QXmlQuery query;
+        const QXmlSerializer serializer(query, &file);
+        QCOMPARE(serializer.codec()->name(), QTextCodec::codecForName("UTF-8")->name());
+    }
+}
+
+void tst_QXmlSerializer::outputDevice() const
+{
+    QFile file(QLatin1String("dummy.xml"));
+    file.open(QIODevice::WriteOnly);
+
+    /* Check default value. */
+    {
+        const QXmlQuery query;
+        const QXmlSerializer serializer(query, &file);
+        QCOMPARE(serializer.outputDevice(), static_cast< QIODevice *>(&file));
+    }
+}
+
+void tst_QXmlSerializer::serializationError() const
+{
+    QFETCH(QString, queryString);
+    QXmlQuery query;
+    MessageSilencer silencer;
+    query.setMessageHandler(&silencer);
+
+    query.setQuery(queryString);
+
+    QByteArray output;
+    QBuffer buffer(&output);
+    QVERIFY(buffer.open(QIODevice::WriteOnly));
+    QVERIFY(query.isValid());
+
+    QXmlSerializer serializer(query, &buffer);
+
+    QEXPECT_FAIL("Two top elements", "Bug, this is not checked for", Continue);
+    QVERIFY(!query.evaluateTo(&serializer));
+}
+
+void tst_QXmlSerializer::serializationError_data() const
+{
+    QTest::addColumn<QString>("queryString");
+
+    QTest::newRow("Two top elements")
+        << QString::fromLatin1("<e/>, <e/>");
+
+    QTest::newRow("An attribute")
+        << QString::fromLatin1("attribute name {'foo'}");
+}
+
+void tst_QXmlSerializer::cleanUpTestCase() const
+{
+    QVERIFY(QFile::remove(QLatin1String("dummy.xml")));
+}
+
+QTEST_MAIN(tst_QXmlSerializer)
+
+#include "tst_qxmlserializer.moc"
+#else
+QTEST_NOOP_MAIN
+#endif
+
+// vim: et:ts=4:sw=4:sts=4