summaryrefslogtreecommitdiffstats
path: root/tests/benchmarks/qapplication/main.cpp
blob: 101d0823e9b2022467be0832e894a87b2c00c7ff (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
/****************************************************************************
**
** 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 <QApplication>
#include <QProcess>

#include <qtest.h>


class tst_qapplication : public QObject
{
    Q_OBJECT
private slots:
    void ctor();
};

/*
    Test the performance of the QApplication constructor.

    This test creates a new process and thus includes process creation overhead.
    Callgrind results are meaningless since the child process is not traced.
*/
void tst_qapplication::ctor()
{
    QProcess proc;
    const QString program       = QCoreApplication::applicationFilePath();
    const QStringList arguments = QStringList() << QLatin1String("--exit-now");

    QBENCHMARK {
        proc.start(program, arguments);
        QVERIFY(proc.waitForStarted());
        QVERIFY(proc.waitForFinished());
        QCOMPARE(proc.exitStatus(), QProcess::NormalExit);
        QCOMPARE(proc.exitCode(), 0);
    }
}

int main(int argc, char** argv)
{
    QApplication app(argc, argv);

    if (argc == 2 && QLatin1String("--exit-now") == QLatin1String(argv[1])) {
        return 0;
    }

    tst_qapplication test;
    return QTest::qExec(&test, argc, argv);
}

#include "main.moc"