Method testFixedNumberDateTime

tests/spreadsheet/SpreadsheetGenerateDataTest.cpp:119–145

! * generate equidistant DateTime values, total number of values is fixed. */

 * generate equidistant DateTime values, total number of values is fixed.
 */
void SpreadsheetGenerateDataTest::testFixedNumberDateTime() {
	Spreadsheet sheet(QStringLiteral("test"), false);
	sheet.setColumnCount(1);
	sheet.setRowCount(1);
	auto* column = sheet.column(0);
	column->setColumnMode(AbstractColumn::ColumnMode::DateTime);

	EquidistantValuesDialog dlg(&sheet);
	dlg.setColumns(QVector<Column*>{column});
	dlg.setType(EquidistantValuesDialog::Type::FixedNumber);
	dlg.setNumber(5);

	auto dateTime = QDateTime::fromString(QStringLiteral("2023-05-01T00:00:00Z"), Qt::ISODate);
	dlg.setFromDateTime(dateTime.toMSecsSinceEpoch());
	dlg.setToDateTime(dateTime.addSecs(4).toMSecsSinceEpoch());
	dlg.generate();

	// checks
	QCOMPARE(column->columnMode(), AbstractColumn::ColumnMode::DateTime);
	QCOMPARE(sheet.rowCount(), 5);
	QCOMPARE(column->rowCount(), 5);
	QCOMPARE(column->dateTimeAt(0), QDateTime::fromString(QStringLiteral("2023-05-01T00:00:00Z"), Qt::ISODate));
	QCOMPARE(column->dateTimeAt(1), QDateTime::fromString(QStringLiteral("2023-05-01T00:00:01Z"), Qt::ISODate));
	QCOMPARE(column->dateTimeAt(2), QDateTime::fromString(QStringLiteral("2023-05-01T00:00:02Z"), Qt::ISODate));
	QCOMPARE(column->dateTimeAt(3), QDateTime::fromString(QStringLiteral("2023-05-01T00:00:03Z"), Qt::ISODate));
	QCOMPARE(column->dateTimeAt(4), QDateTime::fromString(QStringLiteral("2023-05-01T00:00:04Z"), Qt::ISODate));
}

/*!
 * two columns (double and datetime) provided, generate equidistant values for both, total number of values is fixed.