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/*
* This file is part of KDevelop
*
* Copyright 2012 Milian Wolff <mail@milianw.de>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Library General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public
* License along with this program; if not, write to the
* Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include "test_makeoutputmodel.h"
#include "../makeoutputmodel.h"
#include <QStringList>
#include <QTest>
#include <QSignalSpy>
#include <QDebug>
QTEST_MAIN(TestMakeOutputModel)
TestMakeOutputModel::TestMakeOutputModel(QObject* parent): QObject(parent)
{
}
void TestMakeOutputModel::benchAddLines()
{
// see also: https://bugs.kde.org/show_bug.cgi?id=295361
MakeOutputModel model(KUrl("/tmp/build-foo"));
QStringList lines;
const int numLines = 1000;
const int charsPerLine = 100;
for(int i = 0; i < numLines; ++i) {
lines << (QString::number(i) + QString().fill('a', charsPerLine));
}
qRegisterMetaType<QModelIndex>("QModelIndex");
QSignalSpy spy(&model, SIGNAL(rowsAboutToBeInserted(QModelIndex, int, int)));
QElapsedTimer totalTime;
totalTime.start();
QBENCHMARK {
model.addLines(lines);
while(model.rowCount() != lines.count()) {
QCoreApplication::instance()->processEvents();
}
}
QVERIFY(model.rowCount() == lines.count());
const qint64 elapsed = totalTime.elapsed();
qDebug() << "ms elapsed to add lines: " << elapsed;
qDebug() << "total number of added lines: " << lines.count();
const double avgUiLockup = double(elapsed) / spy.count();
qDebug() << "average UI lockup in ms: " << avgUiLockup;
QVERIFY(avgUiLockup < 200);
}
#include "test_makeoutputmodel.moc"
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