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     3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).

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     7 ** This file is part of the test suite of the Qt Toolkit.

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    16 ** GNU Lesser General Public License Usage

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    38 ** $QT_END_LICENSE$

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    40 ****************************************************************************/

    41 #include <QDebug>

    42 #include <qtest.h>

    43 #include <QtTest/QtTest>

    44 #include <QtNetwork/qnetworkreply.h>

    45 #include <QtNetwork/qnetworkrequest.h>

    46 #include <QtNetwork/qnetworkaccessmanager.h>

    47 #include <QtCore/QTemporaryFile>

    48 #include <QtCore/QFile>

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

    50 

    51 class qfile_vs_qnetworkaccessmanager : public QObject

    52 {

    53     Q_OBJECT

    54     // do not use on symbian.. 100 MB is too large..

    55     // but.. this is a manual test anyway, so :)

    56 protected:

    57     void qnamFileRead_iteration(QNetworkAccessManager &manager, QNetworkRequest &request);

    58     void qfileFileRead_iteration();

    59     static const int iterations = 10;

    60 

    61 private slots:

    62     void qnamFileRead();

    63     void qfileFileRead();

    64 

    65     void initTestCase();

    66     void cleanupTestCase();

    67 

    68 public:

    69     qint64 size;

    70     QTemporaryFile testFile;

    71 

    72     qfile_vs_qnetworkaccessmanager() : QObject(), size(0) {};

    73 };

    74 

    75 void qfile_vs_qnetworkaccessmanager::initTestCase()

    76 {

    77     testFile.open();

    78     QByteArray qba(1*1024*1024, 'x'); // 1 MB

    79     for (int i = 0; i < 100; i++) {

    80         testFile.write(qba);

    81         testFile.flush();

    82         size += qba.size();

    83     } // 100 MB

    84     testFile.reset();

    85 }

    86 

    87 void qfile_vs_qnetworkaccessmanager::cleanupTestCase()

    88 {

    89 

    90 }

    91 

    92 void qfile_vs_qnetworkaccessmanager::qnamFileRead_iteration(QNetworkAccessManager &manager, QNetworkRequest &request)

    93 {

    94     QNetworkReply* reply = manager.get(request);

    95     connect(reply, SIGNAL(finished()), &QTestEventLoop::instance(), SLOT(exitLoop()), Qt::QueuedConnection);

    96     QTestEventLoop::instance().enterLoop(10);

    97     QVERIFY(!QTestEventLoop::instance().timeout());

    98     QByteArray qba = reply->readAll();

    99     delete reply;

   100 }

   101 

   102 void qfile_vs_qnetworkaccessmanager::qnamFileRead()

   103 {

   104     QNetworkAccessManager manager;

   105     QTime t;

   106     QNetworkRequest request(QUrl(testFile.fileName()));

   107 

   108     // do 3 dry runs for cache warmup

   109     qnamFileRead_iteration(manager, request);

   110     qnamFileRead_iteration(manager, request);

   111     qnamFileRead_iteration(manager, request);

   112 

   113     t.start();

   114     // 10 real runs

   115     QBENCHMARK_ONCE {

   116         for (int i = 0; i < iterations; i++) {

   117             qnamFileRead_iteration(manager, request);

   118         }

   119     }

   120 

   121     qint64 elapsed = t.elapsed();

   122     qDebug() << endl << "Finished!";

   123     qDebug() << "Bytes:" << size;

   124     qDebug() << "Speed:" <<  (qreal(size*iterations) / 1024.0) / (qreal(elapsed) / 1000.0) << "KB/sec";

   125 }

   126 

   127 void qfile_vs_qnetworkaccessmanager::qfileFileRead_iteration()

   128 {

   129     testFile.reset();

   130     QByteArray qba = testFile.readAll();

   131 }

   132 

   133 void qfile_vs_qnetworkaccessmanager::qfileFileRead()

   134 {

   135     QTime t;

   136 

   137     // do 3 dry runs for cache warmup

   138     qfileFileRead_iteration();

   139     qfileFileRead_iteration();

   140     qfileFileRead_iteration();

   141 

   142     t.start();

   143     // 10 real runs

   144     QBENCHMARK_ONCE {

   145         for (int i = 0; i < iterations; i++) {

   146             qfileFileRead_iteration();

   147         }

   148     }

   149 

   150     qint64 elapsed = t.elapsed();

   151     qDebug() << endl << "Finished!";

   152     qDebug() << "Bytes:" << size;

   153     qDebug() << "Speed:" <<  (qreal(size*iterations) / 1024.0) / (qreal(elapsed) / 1000.0) << "KB/sec";

   154 }

   155 

   156 QTEST_MAIN(qfile_vs_qnetworkaccessmanager)

   157 

   158 #include "main.moc"