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
|
/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the test suite of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QDebug>
#include <qtest.h>
#include <QtTest/QtTest>
#include <QtNetwork/qnetworkreply.h>
#include <QtNetwork/qnetworkrequest.h>
#include <QtNetwork/qnetworkaccessmanager.h>
#include <QtCore/QTemporaryFile>
#include <QtCore/QFile>
class qfile_vs_qnetworkaccessmanager : public QObject
{
Q_OBJECT
protected:
void qnamFileRead_iteration(QNetworkAccessManager &manager, QNetworkRequest &request);
void qnamImmediateFileRead_iteration(QNetworkAccessManager &manager, QNetworkRequest &request);
void qfileFileRead_iteration();
static const int iterations = 10;
private slots:
void qnamFileRead();
void qnamImmediateFileRead();
void qfileFileRead();
void initTestCase();
void cleanupTestCase();
public:
qint64 size;
QTemporaryFile testFile;
qfile_vs_qnetworkaccessmanager() : QObject(), size(0) {};
};
void qfile_vs_qnetworkaccessmanager::initTestCase()
{
testFile.open();
QByteArray qba(1*1024*1024, 'x'); // 1 MB
for (int i = 0; i < 100; i++) {
testFile.write(qba);
testFile.flush();
size += qba.size();
} // 100 MB or 10 MB
testFile.reset();
}
void qfile_vs_qnetworkaccessmanager::cleanupTestCase()
{
}
void qfile_vs_qnetworkaccessmanager::qnamFileRead_iteration(QNetworkAccessManager &manager, QNetworkRequest &request)
{
QNetworkReply* reply = manager.get(request);
connect(reply, SIGNAL(finished()), &QTestEventLoop::instance(), SLOT(exitLoop()), Qt::QueuedConnection);
QTestEventLoop::instance().enterLoop(10);
QVERIFY(!QTestEventLoop::instance().timeout());
QByteArray qba = reply->readAll();
delete reply;
}
void qfile_vs_qnetworkaccessmanager::qnamFileRead()
{
QNetworkAccessManager manager;
QTime t;
QNetworkRequest request(QUrl::fromLocalFile(testFile.fileName()));
// do 3 dry runs for cache warmup
qnamFileRead_iteration(manager, request);
qnamFileRead_iteration(manager, request);
qnamFileRead_iteration(manager, request);
t.start();
// 10 real runs
QBENCHMARK_ONCE {
for (int i = 0; i < iterations; i++) {
qnamFileRead_iteration(manager, request);
}
}
qint64 elapsed = t.elapsed();
qDebug() << endl << "Finished!";
qDebug() << "Bytes:" << size;
qDebug() << "Speed:" << (qreal(size*iterations) / 1024.0) / (qreal(elapsed) / 1000.0) << "KB/sec";
}
void qfile_vs_qnetworkaccessmanager::qnamImmediateFileRead_iteration(QNetworkAccessManager &manager, QNetworkRequest &request)
{
QNetworkReply* reply = manager.get(request);
QVERIFY(reply->isFinished()); // should be like that!
QByteArray qba = reply->readAll();
delete reply;
}
void qfile_vs_qnetworkaccessmanager::qnamImmediateFileRead()
{
QNetworkAccessManager manager;
QTime t;
QNetworkRequest request(QUrl::fromLocalFile(testFile.fileName()));
// do 3 dry runs for cache warmup
qnamImmediateFileRead_iteration(manager, request);
qnamImmediateFileRead_iteration(manager, request);
qnamImmediateFileRead_iteration(manager, request);
t.start();
// 10 real runs
QBENCHMARK_ONCE {
for (int i = 0; i < iterations; i++) {
qnamImmediateFileRead_iteration(manager, request);
}
}
qint64 elapsed = t.elapsed();
qDebug() << endl << "Finished!";
qDebug() << "Bytes:" << size;
qDebug() << "Speed:" << (qreal(size*iterations) / 1024.0) / (qreal(elapsed) / 1000.0) << "KB/sec";
}
void qfile_vs_qnetworkaccessmanager::qfileFileRead_iteration()
{
testFile.reset();
QByteArray qba = testFile.readAll();
}
void qfile_vs_qnetworkaccessmanager::qfileFileRead()
{
QTime t;
// do 3 dry runs for cache warmup
qfileFileRead_iteration();
qfileFileRead_iteration();
qfileFileRead_iteration();
t.start();
// 10 real runs
QBENCHMARK_ONCE {
for (int i = 0; i < iterations; i++) {
qfileFileRead_iteration();
}
}
qint64 elapsed = t.elapsed();
qDebug() << endl << "Finished!";
qDebug() << "Bytes:" << size;
qDebug() << "Speed:" << (qreal(size*iterations) / 1024.0) / (qreal(elapsed) / 1000.0) << "KB/sec";
}
QTEST_MAIN(qfile_vs_qnetworkaccessmanager)
#include "main.moc"
|
