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delegatesizehelpertest.cpp
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// SPDX-FileCopyrightText: 2023 James Graham <[email protected]>
// SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
#include <QObject>
#include <QTest>
#include "delegatesizehelper.h"
class DelegateSizeHelperTest : public QObject
{
Q_OBJECT
private Q_SLOTS:
void risingPercentage_data();
void risingPercentage();
void fallingPercentage_data();
void fallingPercentage();
void equalPercentage_data();
void equalPercentage();
void equalBreakpoint_data();
void equalBreakpoint();
};
void DelegateSizeHelperTest::risingPercentage_data()
{
QTest::addColumn<qreal>("parentWidth");
QTest::addColumn<int>("currentPercentageWidth");
QTest::addColumn<qreal>("currentWidth");
QTest::newRow("zero") << qreal(0) << int(0) << qreal(0);
QTest::newRow("one hundred") << qreal(100) << int(0) << qreal(0);
QTest::newRow("one fifty") << qreal(150) << int(50) << qreal(75);
QTest::newRow("two hundred") << qreal(200) << int(100) << qreal(200);
QTest::newRow("three hundred") << qreal(300) << int(100) << qreal(300);
}
void DelegateSizeHelperTest::risingPercentage()
{
QFETCH(qreal, parentWidth);
QFETCH(int, currentPercentageWidth);
QFETCH(qreal, currentWidth);
DelegateSizeHelper delegateSizeHelper;
delegateSizeHelper.setStartBreakpoint(100);
delegateSizeHelper.setEndBreakpoint(200);
delegateSizeHelper.setStartPercentWidth(0);
delegateSizeHelper.setEndPercentWidth(100);
delegateSizeHelper.setParentWidth(parentWidth);
QCOMPARE(delegateSizeHelper.currentPercentageWidth(), currentPercentageWidth);
QCOMPARE(delegateSizeHelper.currentWidth(), currentWidth);
}
void DelegateSizeHelperTest::fallingPercentage_data()
{
QTest::addColumn<qreal>("parentWidth");
QTest::addColumn<int>("currentPercentageWidth");
QTest::addColumn<qreal>("currentWidth");
QTest::newRow("zero") << qreal(0) << int(100) << qreal(0);
QTest::newRow("one hundred") << qreal(100) << int(100) << qreal(100);
QTest::newRow("one fifty") << qreal(150) << int(50) << qreal(75);
QTest::newRow("two hundred") << qreal(200) << int(0) << qreal(0);
QTest::newRow("three hundred") << qreal(300) << int(0) << qreal(0);
}
void DelegateSizeHelperTest::fallingPercentage()
{
QFETCH(qreal, parentWidth);
QFETCH(int, currentPercentageWidth);
QFETCH(qreal, currentWidth);
DelegateSizeHelper delegateSizeHelper;
delegateSizeHelper.setStartBreakpoint(100);
delegateSizeHelper.setEndBreakpoint(200);
delegateSizeHelper.setStartPercentWidth(100);
delegateSizeHelper.setEndPercentWidth(0);
delegateSizeHelper.setParentWidth(parentWidth);
QCOMPARE(delegateSizeHelper.currentPercentageWidth(), currentPercentageWidth);
QCOMPARE(delegateSizeHelper.currentWidth(), currentWidth);
}
void DelegateSizeHelperTest::equalPercentage_data()
{
QTest::addColumn<qreal>("parentWidth");
QTest::addColumn<int>("currentPercentageWidth");
QTest::addColumn<qreal>("currentWidth");
QTest::newRow("zero") << qreal(0) << int(50) << qreal(0);
QTest::newRow("one hundred") << qreal(100) << int(50) << qreal(50);
QTest::newRow("one fifty") << qreal(150) << int(50) << qreal(75);
QTest::newRow("two hundred") << qreal(200) << int(50) << qreal(100);
QTest::newRow("three hundred") << qreal(300) << int(50) << qreal(150);
}
void DelegateSizeHelperTest::equalPercentage()
{
QFETCH(qreal, parentWidth);
QFETCH(int, currentPercentageWidth);
QFETCH(qreal, currentWidth);
DelegateSizeHelper delegateSizeHelper;
delegateSizeHelper.setStartBreakpoint(100);
delegateSizeHelper.setEndBreakpoint(200);
delegateSizeHelper.setStartPercentWidth(50);
delegateSizeHelper.setEndPercentWidth(50);
delegateSizeHelper.setParentWidth(parentWidth);
QCOMPARE(delegateSizeHelper.currentPercentageWidth(), currentPercentageWidth);
QCOMPARE(delegateSizeHelper.currentWidth(), currentWidth);
}
void DelegateSizeHelperTest::equalBreakpoint_data()
{
QTest::addColumn<int>("startPercentageWidth");
QTest::addColumn<int>("endPercentageWidth");
QTest::addColumn<int>("currentPercentageWidth");
QTest::addColumn<qreal>("currentWidth");
QTest::newRow("start higher") << int(100) << int(0) << int(-1) << qreal(0);
QTest::newRow("equal") << int(50) << int(50) << int(50) << qreal(500);
QTest::newRow("end higher") << int(0) << int(100) << int(-1) << qreal(0);
}
/**
* We expect a default return except in the case where the two percentages are
* equal as that case can be calculated without dividing by zero.
*/
void DelegateSizeHelperTest::equalBreakpoint()
{
QFETCH(int, startPercentageWidth);
QFETCH(int, endPercentageWidth);
QFETCH(int, currentPercentageWidth);
QFETCH(qreal, currentWidth);
DelegateSizeHelper delegateSizeHelper;
delegateSizeHelper.setStartBreakpoint(100);
delegateSizeHelper.setEndBreakpoint(100);
delegateSizeHelper.setStartPercentWidth(startPercentageWidth);
delegateSizeHelper.setEndPercentWidth(endPercentageWidth);
delegateSizeHelper.setParentWidth(1000);
QCOMPARE(delegateSizeHelper.currentPercentageWidth(), currentPercentageWidth);
QCOMPARE(delegateSizeHelper.currentWidth(), currentWidth);
}
QTEST_GUILESS_MAIN(DelegateSizeHelperTest)
#include "delegatesizehelpertest.moc"