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// Copyright (C) 2022 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0+ OR GPL-3.0 WITH Qt-GPL-exception-1.0
#include "utils/mathutils.h"
#include <QtTest>
using namespace Utils;
class tst_MathUtils : public QObject
{
Q_OBJECT
private slots:
void interpolateLinear_data();
void interpolateLinear();
void interpolateTangential_data();
void interpolateTangential();
};
void tst_MathUtils::interpolateLinear_data()
{
QTest::addColumn<int>("x");
QTest::addColumn<int>("x1");
QTest::addColumn<int>("x2");
QTest::addColumn<int>("y1");
QTest::addColumn<int>("y2");
QTest::addColumn<int>("result");
QTest::newRow("x1") << 2 << 2 << 8 << 10 << 20 << 10;
QTest::newRow("middleValue") << 5 << 2 << 8 << 10 << 20 << 15;
QTest::newRow("x2") << 8 << 2 << 8 << 10 << 20 << 20;
QTest::newRow("belowX1") << -1 << 2 << 8 << 10 << 20 << 5;
QTest::newRow("aboveX2") << 11 << 2 << 8 << 10 << 20 << 25;
}
void tst_MathUtils::interpolateLinear()
{
QFETCH(int, x);
QFETCH(int, x1);
QFETCH(int, x2);
QFETCH(int, y1);
QFETCH(int, y2);
QFETCH(int, result);
const int y = MathUtils::interpolateLinear(x, x1, x2, y1, y2);
QCOMPARE(y, result);
}
void tst_MathUtils::interpolateTangential_data()
{
QTest::addColumn<int>("x");
QTest::addColumn<int>("xHalfLife");
QTest::addColumn<int>("y1");
QTest::addColumn<int>("y2");
QTest::addColumn<int>("result");
QTest::newRow("zero") << 0 << 8 << 10 << 20 << 10;
QTest::newRow("halfLife") << 8 << 8 << 10 << 20 << 15;
QTest::newRow("approxInfinity") << 1000 << 8 << 10 << 20 << 20;
}
void tst_MathUtils::interpolateTangential()
{
QFETCH(int, x);
QFETCH(int, xHalfLife);
QFETCH(int, y1);
QFETCH(int, y2);
QFETCH(int, result);
const int y = MathUtils::interpolateTangential(x, xHalfLife, y1, y2);
QCOMPARE(y, result);
}
QTEST_GUILESS_MAIN(tst_MathUtils)
#include "tst_mathutils.moc"
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