Method testSortDateTime2

tests/spreadsheet/SpreadsheetTest.cpp:1126–1163

* check sorting datetimes with invalid entries descending as leading column */

 * check sorting datetimes with invalid entries descending as leading column
 */
void SpreadsheetTest::testSortDateTime2() {
	const QVector<QDateTime> xData{
		QDateTime(QDate(2020, 02, 29), QTime(12, 12, 12)),
		QDateTime(QDate(2020, 02, 28), QTime(12, 12, 12)),
		QDateTime(QDate(2019, 02, 28), QTime(12, 12, 12)),
		QDateTime(QDate(2019, 02, 29), QTime(12, 12, 12)), // invalid
		QDateTime(QDate(2020, 02, 29), QTime(12, 12, 13)),
		QDateTime(QDate(2020, 02, 29), QTime(11, 12, 12)),
	};
	const QVector<int> yData = {1, 2, 3, 4, 5, 6, 7};

	Spreadsheet sheet(QStringLiteral("test"), false);
	sheet.setColumnCount(2);
	sheet.setRowCount(8);
	auto* col0{sheet.column(0)};
	auto* col1{sheet.column(1)};
	col0->setColumnMode(AbstractColumn::ColumnMode::DateTime);
	col0->replaceDateTimes(0, xData);
	col1->setColumnMode(AbstractColumn::ColumnMode::Integer);
	col1->replaceInteger(0, yData);

	// sort
	sheet.sortColumns(col0, {col0, col1}, false);

	// values
	QCOMPARE(col0->dateTimeAt(4), QDateTime(QDate(2019, 02, 28), QTime(12, 12, 12)));
	QCOMPARE(col0->dateTimeAt(3), QDateTime(QDate(2020, 02, 28), QTime(12, 12, 12)));
	QCOMPARE(col0->dateTimeAt(2), QDateTime(QDate(2020, 02, 29), QTime(11, 12, 12)));
	QCOMPARE(col0->dateTimeAt(1), QDateTime(QDate(2020, 02, 29), QTime(12, 12, 12)));
	QCOMPARE(col0->dateTimeAt(0), QDateTime(QDate(2020, 02, 29), QTime(12, 12, 13)));
	QCOMPARE(col1->integerAt(4), 3);
	QCOMPARE(col1->integerAt(3), 2);
	QCOMPARE(col1->integerAt(2), 6);
	QCOMPARE(col1->integerAt(1), 1);
	QCOMPARE(col1->integerAt(0), 5);
	QCOMPARE(col1->integerAt(5), 4);
	QCOMPARE(col1->integerAt(6), 7);
}

// performance