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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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    36 **

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    38 ** $QT_END_LICENSE$

    39 **

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

    41 #include <QApplication>

    42 #include <QProcess>

    43 

    44 #include <qtest.h>

    45 

    46 

    47 class tst_qapplication : public QObject

    48 {

    49     Q_OBJECT

    50 private slots:

    51     void ctor();

    52 };

    53 

    54 /*

    55     Test the performance of the QApplication constructor.

    56 

    57     This test creates a new process and thus includes process creation overhead.

    58     Callgrind results are meaningless since the child process is not traced.

    59 */

    60 void tst_qapplication::ctor()

    61 {

    62     QProcess proc;

    63     const QString program       = QCoreApplication::applicationFilePath();

    64     const QStringList arguments = QStringList() << QLatin1String("--exit-now");

    65 

    66     QBENCHMARK {

    67         proc.start(program, arguments);

    68         QVERIFY(proc.waitForStarted());

    69         QVERIFY(proc.waitForFinished());

    70         QCOMPARE(proc.exitStatus(), QProcess::NormalExit);

    71         QCOMPARE(proc.exitCode(), 0);

    72     }

    73 }

    74 

    75 int main(int argc, char** argv)

    76 {

    77     QApplication app(argc, argv);

    78 

    79     if (argc == 2 && QLatin1String("--exit-now") == QLatin1String(argv[1])) {

    80         return 0;

    81     }

    82 

    83     tst_qapplication test;

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

    85 }

    86 

    87 #include "main.moc"