summaryrefslogtreecommitdiff
path: root/tests/auto/qnativesocketengine/tst_qnativesocketengine.cpp
blob: d6f6d3505d93b13e3479df2a4645b1bdbd648b7b (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
/****************************************************************************
**
** 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>

#ifdef Q_OS_WIN
#include <winsock2.h>
#endif

#include <qcoreapplication.h>


#include <qdatastream.h>
#include <private/qnativesocketengine_p.h>

#include <qhostaddress.h>
#include <qdatetime.h>

#ifdef Q_OS_UNIX
#include <unistd.h>
#include <sys/types.h>
#include <sys/socket.h>
#endif

#include <stddef.h>


#include <qstringlist.h>

#include "../network-settings.h"

//TESTED_FILES=network/qnativesocketengine.cpp network/qnativesocketengine_p.h network/qnativesocketengine_unix.cpp

class tst_QNativeSocketEngine : public QObject
{
    Q_OBJECT

public:
    tst_QNativeSocketEngine();
    virtual ~tst_QNativeSocketEngine();


public slots:
    void init();
    void cleanup();
private slots:
    void construction();
    void simpleConnectToIMAP();
    void udpLoopbackTest();
    void udpIPv6LoopbackTest();
    void broadcastTest();
    void serverTest();
    void udpLoopbackPerformance();
    void tcpLoopbackPerformance();
    void readWriteBufferSize();
    void tooManySockets();
    void bind();
    void networkError();
    void setSocketDescriptor();
    void invalidSend();
    void receiveUrgentData();
};

tst_QNativeSocketEngine::tst_QNativeSocketEngine()
{
    Q_SET_DEFAULT_IAP
}

tst_QNativeSocketEngine::~tst_QNativeSocketEngine()
{
}

void tst_QNativeSocketEngine::init()
{
}

void tst_QNativeSocketEngine::cleanup()
{
}

//---------------------------------------------------------------------------
void tst_QNativeSocketEngine::construction()
{
    QNativeSocketEngine socketDevice;

    QVERIFY(!socketDevice.isValid());

    // Initialize device
    QVERIFY(socketDevice.initialize(QAbstractSocket::TcpSocket, QAbstractSocket::IPv4Protocol));
    QVERIFY(socketDevice.isValid());
    QVERIFY(socketDevice.protocol() == QAbstractSocket::IPv4Protocol);
    QVERIFY(socketDevice.socketType() == QAbstractSocket::TcpSocket);
    QVERIFY(socketDevice.state() == QAbstractSocket::UnconnectedState);
    QVERIFY(socketDevice.socketDescriptor() != -1);
    QVERIFY(socketDevice.localAddress() == QHostAddress());
    QVERIFY(socketDevice.localPort() == 0);
    QVERIFY(socketDevice.peerAddress() == QHostAddress());
    QVERIFY(socketDevice.peerPort() == 0);
    QVERIFY(socketDevice.error() == QAbstractSocket::UnknownSocketError);

    QTest::ignoreMessage(QtWarningMsg, "QNativeSocketEngine::bytesAvailable() was called in QAbstractSocket::UnconnectedState");
    QVERIFY(socketDevice.bytesAvailable() == 0);

    QTest::ignoreMessage(QtWarningMsg, "QNativeSocketEngine::hasPendingDatagrams() was called in QAbstractSocket::UnconnectedState");
    QVERIFY(!socketDevice.hasPendingDatagrams());
}

//---------------------------------------------------------------------------
void tst_QNativeSocketEngine::simpleConnectToIMAP()
{
    QNativeSocketEngine socketDevice;

    // Initialize device
    QVERIFY(socketDevice.initialize(QAbstractSocket::TcpSocket, QAbstractSocket::IPv4Protocol));
    QVERIFY(socketDevice.state() == QAbstractSocket::UnconnectedState);

    const bool isConnected = socketDevice.connectToHost(QtNetworkSettings::serverIP(), 143);
    if (!isConnected) {
        QVERIFY(socketDevice.state() == QAbstractSocket::ConnectingState);
        QVERIFY(socketDevice.waitForWrite());
        QVERIFY(socketDevice.state() == QAbstractSocket::ConnectedState);
    }
    QVERIFY(socketDevice.state() == QAbstractSocket::ConnectedState);
    QVERIFY(socketDevice.peerAddress() == QtNetworkSettings::serverIP());

    // Wait for the greeting
    QVERIFY(socketDevice.waitForRead());

    // Read the greeting
    qint64 available = socketDevice.bytesAvailable();
    QVERIFY(available > 0);
    QByteArray array;
    array.resize(available);
    QVERIFY(socketDevice.read(array.data(), array.size()) == available);

    // Check that the greeting is what we expect it to be
    QCOMPARE(array.constData(), QtNetworkSettings::expectedReplyIMAP().constData());

    // Write a logout message
    QByteArray array2 = "ZZZ LOGOUT\r\n";
    QVERIFY(socketDevice.write(array2.data(),
                              array2.size()) == array2.size());

    // Wait for the response
    QVERIFY(socketDevice.waitForRead());

    available = socketDevice.bytesAvailable();
    QVERIFY(available > 0);
    array.resize(available);
    QVERIFY(socketDevice.read(array.data(), array.size()) == available);

    // Check that the greeting is what we expect it to be
    QCOMPARE(array.constData(),
             "* BYE LOGOUT received\r\n"
             "ZZZ OK Completed\r\n");

    // Wait for the response
    QVERIFY(socketDevice.waitForRead());
    char c;
    QVERIFY(socketDevice.read(&c, sizeof(c)) == -1);
    QVERIFY(socketDevice.error() == QAbstractSocket::RemoteHostClosedError);
    QVERIFY(socketDevice.state() == QAbstractSocket::UnconnectedState);
}

//---------------------------------------------------------------------------
void tst_QNativeSocketEngine::udpLoopbackTest()
{
#ifdef SYMBIAN_WINSOCK_CONNECTIVITY
    QSKIP("Not working on Emulator without WinPCAP", SkipAll);
#endif
    QNativeSocketEngine udpSocket;

    // Initialize device #1
    QVERIFY(udpSocket.initialize(QAbstractSocket::UdpSocket));
    QVERIFY(udpSocket.isValid());
    QVERIFY(udpSocket.socketDescriptor() != -1);
    QVERIFY(udpSocket.protocol() == QAbstractSocket::IPv4Protocol);
    QVERIFY(udpSocket.socketType() == QAbstractSocket::UdpSocket);
    QVERIFY(udpSocket.state() == QAbstractSocket::UnconnectedState);

    // Bind #1 to localhost
    QVERIFY(udpSocket.bind(QHostAddress("127.0.0.1"), 0));
    QVERIFY(udpSocket.state() == QAbstractSocket::BoundState);
    quint16 port = udpSocket.localPort();
    QVERIFY(port != 0);

    // Initialize device #2
    QNativeSocketEngine udpSocket2;
    QVERIFY(udpSocket2.initialize(QAbstractSocket::UdpSocket));

    // Connect device #2 to #1
    QVERIFY(udpSocket2.connectToHost(QHostAddress("127.0.0.1"), port));
    QVERIFY(udpSocket2.state() == QAbstractSocket::ConnectedState);

    // Write a message to #1
    QByteArray message1 = "hei der";
    QVERIFY(udpSocket2.write(message1.data(),
                            message1.size()) == message1.size());

    // Read the message from #2
    QVERIFY(udpSocket.waitForRead());
    QVERIFY(udpSocket.hasPendingDatagrams());
    qint64 available = udpSocket.pendingDatagramSize();
    QVERIFY(available > 0);
    QByteArray answer;
    answer.resize(available);
    QHostAddress senderAddress;
    quint16 senderPort = 0;
    QVERIFY(udpSocket.readDatagram(answer.data(), answer.size(),
                                  &senderAddress,
                                  &senderPort) == message1.size());
    QVERIFY(senderAddress == QHostAddress("127.0.0.1"));
    QVERIFY(senderPort != 0);
}

//---------------------------------------------------------------------------
void tst_QNativeSocketEngine::udpIPv6LoopbackTest()
{
#if defined(Q_OS_SYMBIAN)
    QSKIP("Symbian: IPv6 is not yet supported", SkipAll);
#endif
    QNativeSocketEngine udpSocket;

    // Initialize device #1
    bool init = udpSocket.initialize(QAbstractSocket::UdpSocket, QAbstractSocket::IPv6Protocol);

    if (!init) {
        QVERIFY(udpSocket.error() == QAbstractSocket::UnsupportedSocketOperationError);
    } else {
        QVERIFY(udpSocket.protocol() == QAbstractSocket::IPv6Protocol);

        // Bind #1 to localhost
        QVERIFY(udpSocket.bind(QHostAddress("::1"), 0));
        QVERIFY(udpSocket.state() == QAbstractSocket::BoundState);
        quint16 port = udpSocket.localPort();
        QVERIFY(port != 0);

        // Initialize device #2
        QNativeSocketEngine udpSocket2;
        QVERIFY(udpSocket2.initialize(QAbstractSocket::UdpSocket, QAbstractSocket::IPv6Protocol));

        // Connect device #2 to #1
        QVERIFY(udpSocket2.connectToHost(QHostAddress("::1"), port));
        QVERIFY(udpSocket2.state() == QAbstractSocket::ConnectedState);

        // Write a message to #1
        QByteArray message1 = "hei der";
        QVERIFY(udpSocket2.write(message1.data(),
                                message1.size()) == message1.size());

        // Read the message from #2
        QVERIFY(udpSocket.waitForRead());
        QVERIFY(udpSocket.hasPendingDatagrams());
        qint64 available = udpSocket.pendingDatagramSize();
        QVERIFY(available > 0);
        QByteArray answer;
        answer.resize(available);
        QHostAddress senderAddress;
        quint16 senderPort = 0;
        QVERIFY(udpSocket.readDatagram(answer.data(), answer.size(),
                                      &senderAddress,
                                      &senderPort) == message1.size());
        QVERIFY(senderAddress == QHostAddress("::1"));
        QVERIFY(senderPort != 0);
    }
}

//---------------------------------------------------------------------------
void tst_QNativeSocketEngine::broadcastTest()
{
#ifdef Q_OS_AIX
    QSKIP("Broadcast does not work on darko", SkipAll);
#endif
    QNativeSocketEngine broadcastSocket;

    // Initialize a regular Udp socket
    QVERIFY(broadcastSocket.initialize(QAbstractSocket::UdpSocket));

    // Bind to any port on all interfaces
    QVERIFY(broadcastSocket.bind(QHostAddress::Any, 0));
    QVERIFY(broadcastSocket.state() == QAbstractSocket::BoundState);
    quint16 port = broadcastSocket.localPort();
    QVERIFY(port > 0);

    // Broadcast an inappropriate troll message
    QByteArray trollMessage
        = "MOOT wtf is a MOOT? talk english not your sutpiD ENGLISH.";
    QVERIFY(broadcastSocket.writeDatagram(trollMessage.data(),
                                         trollMessage.size(),
                                         QHostAddress::Broadcast,
                                         port) == trollMessage.size());

    // Wait until we receive it ourselves
#if defined(Q_OS_FREEBSD)
    QEXPECT_FAIL("", "Broadcasting to 255.255.255.255 does not work on FreeBSD", Abort);
#endif
    QVERIFY(broadcastSocket.waitForRead());
    QVERIFY(broadcastSocket.hasPendingDatagrams());

    qlonglong available = broadcastSocket.pendingDatagramSize();
    QByteArray response;
    response.resize(available);
    QVERIFY(broadcastSocket.readDatagram(response.data(), response.size())
           == response.size());
    QCOMPARE(response, trollMessage);

}

//---------------------------------------------------------------------------
void tst_QNativeSocketEngine::serverTest()
{
    QNativeSocketEngine server;

    // Initialize a Tcp socket
    QVERIFY(server.initialize(QAbstractSocket::TcpSocket));

    // Bind to any port on all interfaces
    QVERIFY(server.bind(QHostAddress("0.0.0.0"), 0));
    QVERIFY(server.state() == QAbstractSocket::BoundState);
    quint16 port = server.localPort();

    // Listen for incoming connections
    QVERIFY(server.listen());
    QVERIFY(server.state() == QAbstractSocket::ListeningState);

    // Initialize a Tcp socket
    QNativeSocketEngine client;
    QVERIFY(client.initialize(QAbstractSocket::TcpSocket));
    if (!client.connectToHost(QHostAddress("127.0.0.1"), port)) {
        QVERIFY(client.state() == QAbstractSocket::ConnectingState);
        QVERIFY(client.waitForWrite());
        QVERIFY(client.state() == QAbstractSocket::ConnectedState);
    }

    // The server accepts the connection
    int socketDescriptor = server.accept();
    QVERIFY(socketDescriptor > 0);

    // A socket device is initialized on the server side, passing the
    // socket descriptor from accept(). It's pre-connected.
    QNativeSocketEngine serverSocket;
    QVERIFY(serverSocket.initialize(socketDescriptor));
    QVERIFY(serverSocket.state() == QAbstractSocket::ConnectedState);

    // The server socket sends a greeting to the clietn
    QByteArray greeting = "Greetings!";
    QVERIFY(serverSocket.write(greeting.data(),
                              greeting.size()) == greeting.size());

    // The client waits for the greeting to arrive
    QVERIFY(client.waitForRead());
    qint64 available = client.bytesAvailable();
    QVERIFY(available > 0);

    // The client reads the greeting and checks that it's correct
    QByteArray response;
    response.resize(available);
    QVERIFY(client.read(response.data(),
                       response.size()) == response.size());
    QCOMPARE(response, greeting);
}

//---------------------------------------------------------------------------
void tst_QNativeSocketEngine::udpLoopbackPerformance()
{
#ifdef SYMBIAN_WINSOCK_CONNECTIVITY
    QSKIP("Not working on Emulator without WinPCAP", SkipAll);
#endif
    QNativeSocketEngine udpSocket;

    // Initialize device #1
    QVERIFY(udpSocket.initialize(QAbstractSocket::UdpSocket));
    QVERIFY(udpSocket.isValid());
    QVERIFY(udpSocket.socketDescriptor() != -1);
    QVERIFY(udpSocket.protocol() == QAbstractSocket::IPv4Protocol);
    QVERIFY(udpSocket.socketType() == QAbstractSocket::UdpSocket);
    QVERIFY(udpSocket.state() == QAbstractSocket::UnconnectedState);

    // Bind #1 to localhost
    QVERIFY(udpSocket.bind(QHostAddress("127.0.0.1"), 0));
    QVERIFY(udpSocket.state() == QAbstractSocket::BoundState);
    quint16 port = udpSocket.localPort();
    QVERIFY(port != 0);

    // Initialize device #2
    QNativeSocketEngine udpSocket2;
    QVERIFY(udpSocket2.initialize(QAbstractSocket::UdpSocket));

    // Connect device #2 to #1
    QVERIFY(udpSocket2.connectToHost(QHostAddress("127.0.0.1"), port));
    QVERIFY(udpSocket2.state() == QAbstractSocket::ConnectedState);

    const int messageSize = 8192;
    QByteArray message1(messageSize, '@');
    QByteArray answer(messageSize, '@');

    QHostAddress localhost = QHostAddress::LocalHost;

    qlonglong readBytes = 0;
    QTime timer;
    timer.start();
    while (timer.elapsed() < 5000) {
        udpSocket2.write(message1.data(), message1.size());
        udpSocket.waitForRead();
        while (udpSocket.hasPendingDatagrams()) {
            readBytes += (qlonglong) udpSocket.readDatagram(answer.data(),
                                                             answer.size());
        }
    }

    qDebug("\t\t%.1fMB/%.1fs: %.1fMB/s",
           readBytes / (1024.0 * 1024.0),
           timer.elapsed() / 1024.0,
           (readBytes / (timer.elapsed() / 1000.0)) / (1024 * 1024));
}

//---------------------------------------------------------------------------
void tst_QNativeSocketEngine::tcpLoopbackPerformance()
{
    QNativeSocketEngine server;

    // Initialize a Tcp socket
    QVERIFY(server.initialize(QAbstractSocket::TcpSocket));

    // Bind to any port on all interfaces
    QVERIFY(server.bind(QHostAddress("0.0.0.0"), 0));
    QVERIFY(server.state() == QAbstractSocket::BoundState);
    quint16 port = server.localPort();

    // Listen for incoming connections
    QVERIFY(server.listen());
    QVERIFY(server.state() == QAbstractSocket::ListeningState);

    // Initialize a Tcp socket
    QNativeSocketEngine client;
    QVERIFY(client.initialize(QAbstractSocket::TcpSocket));

    // Connect to our server
    if (!client.connectToHost(QHostAddress("127.0.0.1"), port)) {
        QVERIFY(client.state() == QAbstractSocket::ConnectingState);
        QVERIFY(client.waitForWrite());
        QVERIFY(client.state() == QAbstractSocket::ConnectedState);
    }

    // The server accepts the connectio
    int socketDescriptor = server.accept();
    QVERIFY(socketDescriptor > 0);

    // A socket device is initialized on the server side, passing the
    // socket descriptor from accept(). It's pre-connected.
    QNativeSocketEngine serverSocket;
    QVERIFY(serverSocket.initialize(socketDescriptor));
    QVERIFY(serverSocket.state() == QAbstractSocket::ConnectedState);

    const int messageSize = 1024 * 256;
    QByteArray message1(messageSize, '@');
    QByteArray answer(messageSize, '@');

    QTime timer;
    timer.start();
    qlonglong readBytes = 0;
    while (timer.elapsed() < 5000) {
        qlonglong written = serverSocket.write(message1.data(), message1.size());
        while (written > 0) {
            client.waitForRead();
            if (client.bytesAvailable() > 0) {
                qlonglong readNow = client.read(answer.data(), answer.size());
                written -= readNow;
                readBytes += readNow;
            }
        }
    }

    qDebug("\t\t%.1fMB/%.1fs: %.1fMB/s",
           readBytes / (1024.0 * 1024.0),
           timer.elapsed() / 1024.0,
           (readBytes / (timer.elapsed() / 1000.0)) / (1024 * 1024));
}

//---------------------------------------------------------------------------
void tst_QNativeSocketEngine::readWriteBufferSize()
{
    QNativeSocketEngine device;

    QVERIFY(device.initialize(QAbstractSocket::TcpSocket));

    qint64 bufferSize = device.receiveBufferSize();
    QVERIFY(bufferSize != -1);
    device.setReceiveBufferSize(bufferSize + 1);
#if defined(Q_OS_WINCE)
    QEXPECT_FAIL(0, "Not supported by default on WinCE", Continue);
#endif
    QVERIFY(device.receiveBufferSize() > bufferSize);

    bufferSize = device.sendBufferSize();
    QVERIFY(bufferSize != -1);
    device.setSendBufferSize(bufferSize + 1);
    QVERIFY(device.sendBufferSize() > bufferSize);

}

//---------------------------------------------------------------------------
void tst_QNativeSocketEngine::tooManySockets()
{
#if defined Q_OS_WIN
    QSKIP("Certain windows machines suffocate and spend too much time in this test.", SkipAll);
#endif
    QList<QNativeSocketEngine *> sockets;
    QNativeSocketEngine *socketLayer = 0;
    for (;;) {
        socketLayer = new QNativeSocketEngine;
        sockets.append(socketLayer);

        if (!socketLayer->initialize(QAbstractSocket::TcpSocket, QAbstractSocket::IPv4Protocol))
            break;
    }

    QCOMPARE(socketLayer->error(), QAbstractSocket::SocketResourceError);

    qDeleteAll(sockets);
}

//---------------------------------------------------------------------------
void tst_QNativeSocketEngine::bind()
{
#if !defined Q_OS_WIN && !defined Q_OS_SYMBIAN
    QNativeSocketEngine binder;
    QVERIFY(binder.initialize(QAbstractSocket::TcpSocket, QAbstractSocket::IPv4Protocol));
    QVERIFY(!binder.bind(QHostAddress::Any, 82));
    QVERIFY(binder.error() == QAbstractSocket::SocketAccessError);
#endif

    QNativeSocketEngine binder2;
    QVERIFY(binder2.initialize(QAbstractSocket::TcpSocket, QAbstractSocket::IPv4Protocol));
    QVERIFY(binder2.bind(QHostAddress::Any, 31180));

    QNativeSocketEngine binder3;
    QVERIFY(binder3.initialize(QAbstractSocket::TcpSocket, QAbstractSocket::IPv4Protocol));
    QVERIFY(!binder3.bind(QHostAddress::Any, 31180));

#ifdef SYMBIAN_WINSOCK_CONNECTIVITY
    qDebug("On Symbian Emulator (WinSock) we get EADDRNOTAVAIL instead of EADDRINUSE");
    QVERIFY(binder3.error() == QAbstractSocket::SocketAddressNotAvailableError);
#else
    QVERIFY(binder3.error() == QAbstractSocket::AddressInUseError);
#endif
}

//---------------------------------------------------------------------------
void tst_QNativeSocketEngine::networkError()
{
    QNativeSocketEngine client;

    QVERIFY(client.initialize(QAbstractSocket::TcpSocket, QAbstractSocket::IPv4Protocol));

    const bool isConnected = client.connectToHost(QtNetworkSettings::serverIP(), 143);
    if (!isConnected) {
        QVERIFY(client.state() == QAbstractSocket::ConnectingState);
        QVERIFY(client.waitForWrite());
        QVERIFY(client.state() == QAbstractSocket::ConnectedState);
    }
    QVERIFY(client.state() == QAbstractSocket::ConnectedState);

    // An unexpected network error!
#ifdef Q_OS_WIN
    // could use shutdown to produce different errors
    ::closesocket(client.socketDescriptor());
#else
    ::close(client.socketDescriptor());
#endif

    QVERIFY(client.read(0, 0) == -1);
}

//---------------------------------------------------------------------------
void tst_QNativeSocketEngine::setSocketDescriptor()
{
    QNativeSocketEngine socket1;
    QVERIFY(socket1.initialize(QAbstractSocket::TcpSocket));

    QNativeSocketEngine socket2;
    QVERIFY(socket2.initialize(socket1.socketDescriptor()));
}

//---------------------------------------------------------------------------
void tst_QNativeSocketEngine::invalidSend()
{
    QNativeSocketEngine socket;
    QVERIFY(socket.initialize(QAbstractSocket::TcpSocket));

    QTest::ignoreMessage(QtWarningMsg, "QNativeSocketEngine::writeDatagram() was"
                               " called by a socket other than QAbstractSocket::UdpSocket");
    QCOMPARE(socket.writeDatagram("hei", 3, QHostAddress::LocalHost, 143),
            (qlonglong) -1);
}

//---------------------------------------------------------------------------
void tst_QNativeSocketEngine::receiveUrgentData()
{
    QNativeSocketEngine server;

    QVERIFY(server.initialize(QAbstractSocket::TcpSocket));

    // Bind to any port on all interfaces
    QVERIFY(server.bind(QHostAddress("0.0.0.0"), 0));
    QVERIFY(server.state() == QAbstractSocket::BoundState);
    quint16 port = server.localPort();

    QVERIFY(server.listen());
    QVERIFY(server.state() == QAbstractSocket::ListeningState);

    QNativeSocketEngine client;
    QVERIFY(client.initialize(QAbstractSocket::TcpSocket));

    if (!client.connectToHost(QHostAddress("127.0.0.1"), port)) {
        QVERIFY(client.state() == QAbstractSocket::ConnectingState);
        QVERIFY(client.waitForWrite());
        QVERIFY(client.state() == QAbstractSocket::ConnectedState);
    }

    int socketDescriptor = server.accept();
    QVERIFY(socketDescriptor > 0);

    QNativeSocketEngine serverSocket;
    QVERIFY(serverSocket.initialize(socketDescriptor));
    QVERIFY(serverSocket.state() == QAbstractSocket::ConnectedState);

    char msg;
    int available;
    QByteArray response;

#if defined Q_OS_HPUX
    QSKIP("Native OOB data test doesn't work on HP-UX.", SkipAll);
#elif defined (Q_OS_WINCE)
    QSKIP("Native OOB data test doesn't work on WinCE.", SkipAll);
#endif

    // The server sends an urgent message
    msg = 'Q';
    QCOMPARE(int(::send(socketDescriptor, &msg, sizeof(msg), MSG_OOB)), 1);

    // The client receives the urgent message
    QVERIFY(client.waitForRead());
    available = client.bytesAvailable();
    QCOMPARE(available, 1);
    response.resize(available);
    QCOMPARE(client.read(response.data(), response.size()), qint64(1));
    QCOMPARE(response.at(0), msg);

    // The client sends an urgent message
    msg = 'T';
    int clientDescriptor = client.socketDescriptor();
    QCOMPARE(int(::send(clientDescriptor, &msg, sizeof(msg), MSG_OOB)), 1);

    // The server receives the urgent message
    QVERIFY(serverSocket.waitForRead());
    available = serverSocket.bytesAvailable();
    QCOMPARE(available, 1);
    response.resize(available);
    QCOMPARE(serverSocket.read(response.data(), response.size()), qint64(1));
    QCOMPARE(response.at(0), msg);

}

QTEST_MAIN(tst_QNativeSocketEngine)
#include "tst_qnativesocketengine.moc"