qBittorrent/test/testutilsnumber.cpp

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/*
* Bittorrent Client using Qt and libtorrent.
* Copyright (C) 2024 Mike Tzou (Chocobo1)
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU 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.
*
* In addition, as a special exception, the copyright holders give permission to
* link this program with the OpenSSL project's "OpenSSL" library (or with
* modified versions of it that use the same license as the "OpenSSL" library),
* and distribute the linked executables. You must obey the GNU General Public
* License in all respects for all of the code used other than "OpenSSL". If you
* modify file(s), you may extend this exception to your version of the file(s),
* but you are not obligated to do so. If you do not wish to do so, delete this
* exception statement from your version.
*/
#include <limits>
#include <QTest>
#include "base/utils/number.h"
class TestUtilsNumber final : public QObject
{
Q_OBJECT
Q_DISABLE_COPY_MOVE(TestUtilsNumber)
public:
TestUtilsNumber() = default;
private slots:
void testClampingAdd() const
{
const int intMin = std::numeric_limits<int>::min();
const int intMax = std::numeric_limits<int>::max();
QCOMPARE(Utils::Number::clampingAdd(1, 2), 3);
QCOMPARE(Utils::Number::clampingAdd(-1, -2), -3);
QCOMPARE(Utils::Number::clampingAdd((intMax - 1), 1), intMax);
QCOMPARE(Utils::Number::clampingAdd(intMax, 1), intMax);
QCOMPARE(Utils::Number::clampingAdd(intMax, intMax), intMax);
QCOMPARE(Utils::Number::clampingAdd((intMin + 1), -1), intMin);
QCOMPARE(Utils::Number::clampingAdd(intMin, -1), intMin);
QCOMPARE(Utils::Number::clampingAdd(intMin, intMin), intMin);
}
};
QTEST_APPLESS_MAIN(TestUtilsNumber)
#include "testutilsnumber.moc"