Method axisFormat

tests/cartesianplot/CartesianPlotTest.cpp:361–439

}

void CartesianPlotTest::axisFormat() {
	// testing #74

	QString savePath;
	{
		Project project;

		Spreadsheet* sheet = new Spreadsheet(QStringLiteral("Spreadsheet"), false);
		project.addChild(sheet);

		sheet->setColumnCount(2);
		sheet->setRowCount(3);

		sheet->column(0)->setColumnMode(AbstractColumn::ColumnMode::DateTime);
		sheet->column(1)->setColumnMode(AbstractColumn::ColumnMode::Integer);

		sheet->column(0)->setDateTimeAt(0, QDateTime::fromString(QStringLiteral("2022-02-03 12:23:00"), Qt::ISODate));
		sheet->column(0)->setDateTimeAt(1, QDateTime::fromString(QStringLiteral("2022-02-04 12:23:00"), Qt::ISODate));
		sheet->column(0)->setDateTimeAt(2, QDateTime::fromString(QStringLiteral("2022-02-05 12:23:00"), Qt::ISODate));

		QCOMPARE(sheet->column(0)->dateTimeAt(0), QDateTime::fromString(QStringLiteral("2022-02-03 12:23:00"), Qt::ISODate));

		sheet->column(1)->setValueAt(0, 0);
		sheet->column(1)->setValueAt(1, 1);
		sheet->column(1)->setValueAt(2, 2);

		auto* worksheet = new Worksheet(QStringLiteral("Worksheet"));
		project.addChild(worksheet);

		auto* plot = new CartesianPlot(QStringLiteral("plot"));
		worksheet->addChild(plot);
		plot->setType(CartesianPlot::Type::TwoAxes); // Otherwise no axis are created

		auto* curve = new XYCurve(QStringLiteral("curve"));
		plot->addChild(curve);

		curve->setXColumn(sheet->column(0));
		curve->setYColumn(sheet->column(1));

		auto* xAxis = static_cast<Axis*>(plot->child<Axis>(0));
		QVERIFY(xAxis);
		QCOMPARE(xAxis->name(), QStringLiteral("x"));

		const auto original = xAxis->labelsDateTimeFormat();
		const auto newFormat = QStringLiteral("yyyy-MM-dd hh:mm");
		QVERIFY(original != newFormat);
		xAxis->setLabelsDateTimeFormat(newFormat);

		SAVE_PROJECT("TestAxisDateTimeFormat.lml");
	}

	{
		Project project;
		project.load(savePath);

		/* check the project tree for the imported project */
		/* Spreadsheet */
		auto* aspect = project.child<AbstractAspect>(0);