Method TestZoom

tests/backend/Retransform/RetransformTest.cpp:757–822

}

void RetransformTest::TestZoom() {
	RetransformCallCounter c;
	Project project;

	auto* sheet = new Spreadsheet(QStringLiteral("Spreadsheet"), false);
	sheet->setColumnCount(2);
	sheet->setRowCount(100);

	QVector<int> xData;
	QVector<double> yData;
	for (int i = 0; i < 100; i++) {
		xData.append(i);
		yData.append(i);
	}
	auto* xColumn = sheet->column(0);
	xColumn->setColumnMode(AbstractColumn::ColumnMode::Integer);
	xColumn->replaceInteger(0, xData);
	auto* yColumn = sheet->column(1);
	yColumn->setColumnMode(AbstractColumn::ColumnMode::Double);
	yColumn->replaceValues(0, yData);

	project.addChild(sheet);

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

	auto* p = new CartesianPlot(QStringLiteral("Plot - Spreadsheet"));
	p->setType(CartesianPlot::Type::FourAxes); // Otherwise no axis are created
	worksheet->addChild(p);

	auto* curve = new XYCurve(QStringLiteral("curve"));
	p->addChild(curve);
	curve->setXColumn(xColumn);
	curve->setYColumn(yColumn);

	auto children = project.children(AspectType::AbstractAspect, AbstractAspect::ChildIndexFlag::Recursive);

	// Spreadsheet "Spreadsheet"
	// Column "1"
	// Column "2"
	// Worksheet "Worksheet-Spreadsheet"
	// CartesianPlot "Plot-Spreadsheet"
	// Axis "x"
	// Axis "x2"
	// Axis "y"
	// Axis "y2"
	// XYCurve "curve"
	QCOMPARE(children.length(), 10);
	for (const auto& child : children)
		connect(child, &AbstractAspect::retransformCalledSignal, &c, &RetransformCallCounter::aspectRetransformed);

	auto plots = project.children(AspectType::CartesianPlot, AbstractAspect::ChildIndexFlag::Recursive);
	QCOMPARE(plots.length(), 1);
	auto* plot = static_cast<CartesianPlot*>(plots[0]);
	connect(static_cast<CartesianPlot*>(plot), &CartesianPlot::scaleRetransformed, &c, &RetransformCallCounter::retransformScaleCalled);

	plot->zoomInX();