qt5base-lts/tests/auto/concurrent/qtconcurrentmedian/tst_qtconcurrentmedian.cpp

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/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
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** This file is part of the test suite of the Qt Toolkit.
**
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** GNU Lesser General Public License Usage
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** 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
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** 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
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#include <qtconcurrentmedian.h>
#include <QtTest/QtTest>
class tst_QtConcurrentMedian: public QObject
{
Q_OBJECT
private slots:
void median_data();
void median();
};
void tst_QtConcurrentMedian::median_data()
{
QTest::addColumn<QList<int> >("values");
QTest::addColumn<int>("expectedMedian");
QTest::newRow("size=1")
<< (QList<int>() << 1)
<< 1;
QTest::newRow("size=2")
<< (QList<int>() << 3 << 2)
<< 3;
QTest::newRow("size=3")
<< (QList<int>() << 3 << 1 << 2)
<< 2;
QTest::newRow("gcc bug 58800 (nth_element)")
<< (QList<int>() << 207089 << 202585 << 180067 << 157549 << 211592 << 216096 << 207089)
<< 207089;
}
void tst_QtConcurrentMedian::median()
{
QFETCH(QList<int> , values);
QFETCH(int, expectedMedian);
QtConcurrent::Median<int> m(values.size());
foreach (int value, values)
m.addValue(value);
QCOMPARE(m.median(), expectedMedian);
}
QTEST_MAIN(tst_QtConcurrentMedian)
#include "tst_qtconcurrentmedian.moc"