108 lines
2.9 KiB
C++
108 lines
2.9 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the test suite of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** No Commercial Usage
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** This file contains pre-release code and may not be distributed.
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** You may use this file in accordance with the terms and conditions
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** contained in the Technology Preview License Agreement accompanying
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** this package.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** If you have questions regarding the use of this file, please contact
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** Nokia at qt-info@nokia.com.
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**
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**
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**
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**
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**
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**
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**
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include <QDebug>
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#include <QIODevice>
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#include <QFile>
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#include <QString>
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#include <qtest.h>
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class tst_qiodevice : public QObject
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{
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Q_OBJECT
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private slots:
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void read_old();
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void read_old_data() { read_data(); }
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//void read_new();
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//void read_new_data() { read_data(); }
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private:
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void read_data();
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};
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void tst_qiodevice::read_data()
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{
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QTest::addColumn<qint64>("size");
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QTest::newRow("10k") << qint64(10 * 1024);
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QTest::newRow("100k") << qint64(100 * 1024);
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QTest::newRow("1000k") << qint64(1000 * 1024);
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QTest::newRow("10000k") << qint64(10000 * 1024);
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#ifndef Q_OS_SYMBIAN // Symbian devices don't (yet) have enough available RAM to run these
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QTest::newRow("100000k") << qint64(100000 * 1024);
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QTest::newRow("1000000k") << qint64(1000000 * 1024);
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#endif
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}
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void tst_qiodevice::read_old()
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{
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QFETCH(qint64, size);
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QString name = "tmp" + QString::number(size);
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{
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QFile file(name);
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file.open(QIODevice::WriteOnly);
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file.seek(size);
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file.write("x", 1);
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file.close();
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}
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QBENCHMARK {
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QFile file(name);
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file.open(QIODevice::ReadOnly);
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QByteArray ba;
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qint64 s = size - 1024;
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file.seek(512);
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ba = file.read(s); // crash happens during this read / assignment operation
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}
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{
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QFile file(name);
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file.remove();
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}
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}
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QTEST_MAIN(tst_qiodevice)
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#include "main.moc"
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