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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#include <qtconcurrentmedian.h>
#include <QTest>
class tst_QtConcurrentMedian: public QObject
{
Q_OBJECT
private slots:
void median_data();
void median();
};
void tst_QtConcurrentMedian::median_data()
{
QTest::addColumn<QList<double> >("values");
QTest::addColumn<double>("expectedMedian");
QTest::newRow("size=1")
<< (QList<double>() << 1.0)
<< 0.0; // six 0.0 in front of the actual value
QTest::newRow("size=2")
<< (QList<double>() << 3.0 << 2.0)
<< 0.0; // five 0.0 in front of the actual value
QTest::newRow("size=3")
<< (QList<double>() << 3.0 << 1.0 << 2.0)
<< 0.0; // four 0.0 in front of the actual value
QTest::newRow("size=4")
<< (QList<double>() << 3.0 << 1.0 << 2.0 << 4.0)
<< 1.0; // three 0.0 in front of the first actual value, pick 1.0
QTest::newRow("size=5")
<< (QList<double>() << 3.0 << 1.0 << 2.0 << 3.0 << 1.0)
<< 1.0; // two 0.0 in front of the first actual value, pick 1.0
QTest::newRow("size=6")
<< (QList<double>() << 3.0 << 1.0 << 2.0 << 3.0 << 1.0 << 2.0)
<< 2.0; // one 0.0 in front of the first actual value, pick 2.0
QTest::newRow("size=7")
<< QList<double> { 207089.0, 202585.0, 180067.0, 157549.0, 211592.0, 216096.0, 207089.0 }
<< 207089.0;
}
void tst_QtConcurrentMedian::median()
{
QFETCH(QList<double> , values);
QFETCH(double, expectedMedian);
QtConcurrent::Median m;
foreach (double value, values)
m.addValue(value);
QCOMPARE(m.median(), expectedMedian);
}
QTEST_MAIN(tst_QtConcurrentMedian)
#include "tst_qtconcurrentmedian.moc"
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