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/*
* qtmaildir - a Qt6 mail client for notmuch-indexed Maildirs
* Copyright (C) 2026 Danilo M. <danix@danix.xyz>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* 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.
*/
#include <QtTest>
#include "monthlayout.h"
class TestMonthLayout : public QObject
{
Q_OBJECT
private slots:
void theGridStartsOnTheLocalesFirstDay();
void cellsTileTheAreaWithNoGapOrOverlap();
void chipsThatDoNotFitBecomeMore();
void aPointFindsItsCell();
};
void TestMonthLayout::theGridStartsOnTheLocalesFirstDay()
{
// 2026-09-01 is a Tuesday.
QCOMPARE(MonthLayout::gridStart(2026, 9, Qt::Monday), QDate(2026, 8, 31));
QCOMPARE(MonthLayout::gridStart(2026, 9, Qt::Sunday), QDate(2026, 8, 30));
// A month starting ON the first weekday starts on its own first day.
QCOMPARE(MonthLayout::gridStart(2026, 6, Qt::Monday), QDate(2026, 6, 1));
const MonthLayout layout(QRect(0, 0, 700, 600), 2026, 9, Qt::Monday, 20, 16);
QCOMPARE(layout.dateAt(0), QDate(2026, 8, 31));
QCOMPARE(layout.dateAt(41), QDate(2026, 10, 11));
}
void TestMonthLayout::cellsTileTheAreaWithNoGapOrOverlap()
{
// 703 does not divide by 7: the remainder must go somewhere, not vanish
// as a gap down the right edge.
const QRect area(0, 0, 703, 605);
const MonthLayout layout(area, 2026, 9, Qt::Monday, 20, 16);
QCOMPARE(layout.cellRect(0).left(), area.left());
QCOMPARE(layout.cellRect(6).right(), area.right());
QCOMPARE(layout.cellRect(41).bottom(), area.bottom());
for (int i = 0; i < 6; ++i)
QCOMPARE(layout.cellRect(i).right() + 1, layout.cellRect(i + 1).left());
QCOMPARE(layout.cellRect(0).bottom() + 1, layout.cellRect(7).top());
}
void TestMonthLayout::chipsThatDoNotFitBecomeMore()
{
// 600 / 6 rows = 100 px a cell; 20 px of day number; 16 px chips: 5 fit.
const MonthLayout layout(QRect(0, 0, 700, 600), 2026, 9, Qt::Monday, 20, 16);
QCOMPARE(layout.capacity(), 5);
QCOMPARE(layout.visibleChips(3), 3);
QCOMPARE(layout.visibleChips(5), 5);
// Six do not fit: four chips and a "+2 more" line in the fifth slot.
QCOMPARE(layout.visibleChips(6), 4);
QCOMPARE(layout.chipRect(0, 0).top(), layout.cellRect(0).top() + 20);
QVERIFY(layout.cellRect(0).contains(layout.chipRect(0, 4)));
}
void TestMonthLayout::aPointFindsItsCell()
{
const MonthLayout layout(QRect(0, 0, 700, 600), 2026, 9, Qt::Monday, 20, 16);
QCOMPARE(layout.cellAt(layout.cellRect(17).center()), 17);
QCOMPARE(layout.cellAt(QPoint(-5, 10)), -1);
}
QTEST_MAIN(TestMonthLayout)
#include "test_monthlayout.moc"
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