blob: 5c459a8382afbf17c6885b64b51755861b66c317 (
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
|
/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Qt Software Information (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 either Technology Preview License Agreement or the
** Beta Release License Agreement.
**
** 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 1.0, included in the file LGPL_EXCEPTION.txt in this
** package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at qt-sales@nokia.com.
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QDebug>
#include <QIODevice>
#include <QFile>
#include <QString>
#include <qtest.h>
class tst_qiodevice : public QObject
{
Q_OBJECT
private slots:
void read_old();
void read_old_data() { read_data(); }
//void read_new();
//void read_new_data() { read_data(); }
private:
void read_data();
};
void tst_qiodevice::read_data()
{
QTest::addColumn<qint64>("size");
QTest::newRow("10k") << qint64(10 * 1024);
QTest::newRow("100k") << qint64(100 * 1024);
QTest::newRow("1000k") << qint64(1000 * 1024);
QTest::newRow("10000k") << qint64(10000 * 1024);
#ifndef Q_OS_SYMBIAN // Symbian devices don't (yet) have enough available RAM to run these
QTest::newRow("100000k") << qint64(100000 * 1024);
QTest::newRow("1000000k") << qint64(1000000 * 1024);
#endif
}
void tst_qiodevice::read_old()
{
QFETCH(qint64, size);
QString name = "tmp" + QString::number(size);
{
QFile file(name);
file.open(QIODevice::WriteOnly);
file.seek(size);
file.write("x", 1);
file.close();
}
QBENCHMARK {
QFile file(name);
file.open(QIODevice::ReadOnly);
QByteArray ba;
qint64 s = size - 1024;
file.seek(512);
ba = file.read(s); // crash happens during this read / assignment operation
}
{
QFile file(name);
file.remove();
}
}
QTEST_MAIN(tst_qiodevice)
#include "main.moc"
|
