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** This file is part of the test suite of the Qt Toolkit.

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#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"