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/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2011 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Nokia Corporation (info@qt.nokia.com)
**
**
** GNU Lesser General Public License Usage
**
** 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 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** Other Usage
**
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
** If you have questions regarding the use of this file, please contact
** Nokia at info@qt.nokia.com.
**
**************************************************************************/

#include "mainwindow.h"

#include <utils/synchronousprocess.h>
#include <QtGui/QApplication>
#include <QtCore/QDebug>
#include <QtCore/QTimer>

#include <cstdio>

static const char usage[] =
"Tests timeout behaviour of Utils:SynchronousProcess.\n"
"Usage:\n"
"   1) Test Utils:SynchronousProcess (graphically)\n"
"   process <cmd> <args>\n"
"   2) Test synchronous helpers of Utils:SynchronousProcess (tty)\n"
"   process -s <cmd> <args>\n\n"
"slowprocess.sh is provided as an example script that produces slow\n"
"output. It takes an option -e to switch to stderr\n"
"No timeout should occur.\n";

static int testSynchronous(const QString &cmd, const QStringList &args)
{
    std::fprintf(stdout, "testSynchronous %s %s\n", qPrintable(cmd),
                 qPrintable(args.join(QLatin1String(" "))));
    QProcess p;
    p.start(cmd, args);
    if (!p.waitForStarted())
        return -2;
    p.closeWriteChannel();

    QByteArray stdOut;
    QByteArray stdErr;
    if (!Utils::SynchronousProcess::readDataFromProcess(p, 2000, &stdOut, &stdErr)) {
        std::fputs("Timeout", stderr);
        return -3;
    }
    std::fputs(stdOut, stdout);
    std::fputs(stdErr, stderr);
    return p.exitCode();
}

int main(int argc, char *argv[])
{
    if (argc < 2) {
        std::fputs(usage, stdout);
        return -1;
    }
    const bool synchronous = argc > 1 && !qstrcmp(argv[1], "-s");
    int ex = 0;
    if (synchronous) {
        const QString cmd = QString::fromLocal8Bit(argv[2]);
        QStringList args;
        for (int i = 3; i < argc; i++)
            args += QString::fromLocal8Bit(argv[i]);
        ex = testSynchronous(cmd, args);
    } else {
        QApplication app(argc, argv);
        MainWindow mw;
        mw.show();
        ex = app.exec();
    }
    return ex;
}