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     2 **

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

     4 ** All rights reserved.

     5 ** Contact: Nokia Corporation (qt-info@nokia.com)

     6 **

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

     8 **

     9 ** $QT_BEGIN_LICENSE:LGPL$

    10 ** No Commercial Usage

    11 ** This file contains pre-release code and may not be distributed.

    12 ** You may use this file in accordance with the terms and conditions

    13 ** contained in the Technology Preview License Agreement accompanying

    14 ** this package.

    15 **

    16 ** GNU Lesser General Public License Usage

    17 ** Alternatively, this file may be used under the terms of the GNU Lesser

    18 ** General Public License version 2.1 as published by the Free Software

    19 ** Foundation and appearing in the file LICENSE.LGPL included in the

    20 ** packaging of this file.  Please review the following information to

    21 ** ensure the GNU Lesser General Public License version 2.1 requirements

    22 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.

    23 **

    24 ** In addition, as a special exception, Nokia gives you certain additional

    25 ** rights.  These rights are described in the Nokia Qt LGPL Exception

    26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.

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    28 ** If you have questions regarding the use of this file, please contact

    29 ** Nokia at qt-info@nokia.com.

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    38 ** $QT_END_LICENSE$

    39 **

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

    41 #include <QDebug>

    42 #include <QIODevice>

    43 #include <QFile>

    44 #include <QString>

    45 

    46 #include <qtest.h>

    47 

    48 

    49 class tst_qiodevice : public QObject

    50 {

    51     Q_OBJECT

    52 private slots:

    53     void read_old();

    54     void read_old_data() { read_data(); }

    55     //void read_new();

    56     //void read_new_data() { read_data(); }

    57 private:

    58     void read_data();

    59 };

    60 

    61 

    62 void tst_qiodevice::read_data()

    63 {

    64     QTest::addColumn<qint64>("size");

    65     QTest::newRow("10k")      << qint64(10 * 1024);

    66     QTest::newRow("100k")     << qint64(100 * 1024);

    67     QTest::newRow("1000k")    << qint64(1000 * 1024);

    68     QTest::newRow("10000k")   << qint64(10000 * 1024);

    69 #ifndef Q_OS_SYMBIAN // Symbian devices don't (yet) have enough available RAM to run these

    70     QTest::newRow("100000k")  << qint64(100000 * 1024);

    71     QTest::newRow("1000000k") << qint64(1000000 * 1024);

    72 #endif

    73 }

    74 

    75 void tst_qiodevice::read_old()

    76 {

    77     QFETCH(qint64, size);

    78 

    79     QString name = "tmp" + QString::number(size);

    80 

    81     {

    82         QFile file(name);

    83         file.open(QIODevice::WriteOnly);

    84         file.seek(size);

    85         file.write("x", 1);

    86         file.close();

    87     }

    88 

    89     QBENCHMARK {

    90         QFile file(name);

    91         file.open(QIODevice::ReadOnly);

    92         QByteArray ba;

    93         qint64 s = size - 1024;

    94         file.seek(512);

    95         ba = file.read(s);  // crash happens during this read / assignment operation

    96     }

    97 

    98     {

    99         QFile file(name);

   100         file.remove();

   101     }

   102 }

   103 

   104 

   105 QTEST_MAIN(tst_qiodevice)

   106 

   107 #include "main.moc"