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diff --git a/tests/auto/qnetworkaccessmanager_and_qprogressdialog/tst_qnetworkaccessmanager_and_qprogressdialog.cpp b/tests/auto/qnetworkaccessmanager_and_qprogressdialog/tst_qnetworkaccessmanager_and_qprogressdialog.cpp
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+++ b/tests/auto/qnetworkaccessmanager_and_qprogressdialog/tst_qnetworkaccessmanager_and_qprogressdialog.cpp
@@ -0,0 +1,153 @@
+/****************************************************************************
+**
+** 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>
+#include <QtGui>
+#include <QtCore>
+#include <QtNetwork/QNetworkAccessManager>
+#include <QtNetwork/QNetworkRequest>
+#include <QtNetwork/QNetworkReply>
+#include <qdebug.h>
+
+#include "../network-settings.h"
+
+
+class tst_QNetworkAccessManager_And_QProgressDialog : public QObject
+{
+    Q_OBJECT
+public:
+    tst_QNetworkAccessManager_And_QProgressDialog();
+private slots:
+    void downloadCheck();
+    void downloadCheck_data();
+};
+
+class DownloadCheckWidget : public QWidget
+{
+    Q_OBJECT
+public:
+    DownloadCheckWidget(QWidget *parent = 0) : QWidget(parent)
+                                    , progressDlg(this), netmanager(this)
+                                    , lateReadyRead(true)
+    {
+        progressDlg.setRange(1, 100);
+        QMetaObject::invokeMethod(this, "go", Qt::QueuedConnection);
+    }
+    bool lateReadyRead;
+    bool zeroCopy;
+public slots:
+    void go()
+    {
+        QNetworkRequest request(QUrl("http://" + QtNetworkSettings::serverName() + "/qtest/bigfile"));
+        if (zeroCopy)
+            request.setAttribute(QNetworkRequest::MaximumDownloadBufferSizeAttribute, 10*1024*1024);
+                
+        QNetworkReply *reply = netmanager.get(
+                QNetworkRequest(
+                QUrl("http://" + QtNetworkSettings::serverName() + "/qtest/bigfile")
+                ));
+        connect(reply, SIGNAL(downloadProgress(qint64, qint64)),
+                this, SLOT(dataReadProgress(qint64, qint64)));
+        connect(reply, SIGNAL(readyRead()),
+                this, SLOT(dataReadyRead()));
+        connect(reply, SIGNAL(finished()), this, SLOT(finishedFromReply()));
+
+        progressDlg.exec();
+    }
+    void dataReadProgress(qint64 done, qint64 total)
+    {
+        QNetworkReply *reply = qobject_cast<QNetworkReply *>(sender());
+        progressDlg.setMaximum(total);
+        progressDlg.setValue(done);
+    }
+    void dataReadyRead()
+    {
+        QNetworkReply *reply = qobject_cast<QNetworkReply *>(sender());
+        lateReadyRead = true;
+    }
+    void finishedFromReply()
+    {
+        QNetworkReply *reply = qobject_cast<QNetworkReply *>(sender());
+        lateReadyRead = false;
+        reply->deleteLater();
+        QTestEventLoop::instance().exitLoop();
+    }
+
+private:
+    QProgressDialog progressDlg;
+    QNetworkAccessManager netmanager;
+};
+
+
+tst_QNetworkAccessManager_And_QProgressDialog::tst_QNetworkAccessManager_And_QProgressDialog()
+{
+    Q_SET_DEFAULT_IAP
+}
+
+void tst_QNetworkAccessManager_And_QProgressDialog::downloadCheck_data()
+{
+    QTest::addColumn<bool>("useZeroCopy");
+    QTest::newRow("with-zeroCopy") << true;
+    QTest::newRow("without-zeroCopy") << false;
+}
+
+void tst_QNetworkAccessManager_And_QProgressDialog::downloadCheck()
+{
+    QFETCH(bool, useZeroCopy);
+
+    DownloadCheckWidget widget;
+    widget.zeroCopy = useZeroCopy;
+    widget.show();
+    // run and exit on finished()
+    QTestEventLoop::instance().enterLoop(10);
+    QVERIFY(!QTestEventLoop::instance().timeout());
+    // run some more to catch the late readyRead() (or: to not catch it)
+    QTestEventLoop::instance().enterLoop(1);
+    QVERIFY(QTestEventLoop::instance().timeout());
+    // the following fails when a readyRead() was received after finished()
+    QVERIFY(!widget.lateReadyRead);
+}
+
+
+
+QTEST_MAIN(tst_QNetworkAccessManager_And_QProgressDialog)
+#include "tst_qnetworkaccessmanager_and_qprogressdialog.moc"