diff -r 000000000000 -r 1918ee327afb tests/auto/q3socketdevice/tst_q3socketdevice.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/auto/q3socketdevice/tst_q3socketdevice.cpp	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,143 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 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 <qapplication.h>
+
+#include <q3socketdevice.h>
+
+#include "../network-settings.h"
+
+//TESTED_CLASS=
+//TESTED_FILES=
+
+class tst_Q3SocketDevice : public QObject
+{
+    Q_OBJECT
+
+public:
+    tst_Q3SocketDevice();
+    virtual ~tst_Q3SocketDevice();
+
+public slots:
+    void initTestCase();
+    void cleanupTestCase();
+    void init();
+    void cleanup();
+
+private slots:
+    void readNull();
+};
+
+tst_Q3SocketDevice::tst_Q3SocketDevice()
+{
+}
+
+tst_Q3SocketDevice::~tst_Q3SocketDevice()
+{
+}
+
+void tst_Q3SocketDevice::initTestCase()
+{
+}
+
+void tst_Q3SocketDevice::cleanupTestCase()
+{
+}
+
+void tst_Q3SocketDevice::init()
+{
+}
+
+void tst_Q3SocketDevice::cleanup()
+{
+}
+
+void tst_Q3SocketDevice::readNull()
+{
+    Q3SocketDevice device;
+    device.setBlocking(true);
+
+    int attempts = 10;
+    while (attempts--) {
+        if (device.connect(QtNetworkSettings::serverIP(), 143))
+            break;
+    }
+
+    // some static state checking
+    QVERIFY(device.isValid());
+    QCOMPARE(device.type(), Q3SocketDevice::Stream);
+    QCOMPARE(device.protocol(), Q3SocketDevice::IPv4);
+    QVERIFY(device.socket() != -1);
+    QVERIFY(device.blocking());
+#if defined Q_OS_IRIX
+    // IRIX defaults to the opposite in Qt 3, so we won't fix
+    // this in Qt 4.
+    QVERIFY(device.addressReusable());
+#else
+    QVERIFY(!device.addressReusable());
+#endif
+    QCOMPARE(device.peerPort(), quint16(143));
+    QCOMPARE(device.peerAddress().toString(),
+            QtNetworkSettings::serverIP().toString());
+    QCOMPARE(device.error(), Q3SocketDevice::NoError);
+
+    // write a logout notice
+    QCOMPARE(device.writeBlock("X LOGOUT\r\n", Q_ULONG(10)), Q_LONG(10));
+
+    // expect three lines of response: greeting, bye-warning and
+    // logout command completion.
+    int ch;
+    for (int i = 0; i < 3; ++i) {
+        do {
+            QVERIFY((ch = device.getch()) != -1);
+        } while (char(ch) != '\n');
+    }
+
+    // here, read() will return 0.
+    char c;
+    QCOMPARE(device.readBlock(&c, 1), qint64(0));
+    QVERIFY(!device.isValid());
+}
+
+QTEST_APPLESS_MAIN(tst_Q3SocketDevice)
+#include "tst_q3socketdevice.moc"