Method testLoadSaveLiveDataLinkedFile_FileExists

tests/livedata/LiveDataTest.cpp:1554–1601

	curve->setYColumn(dataSource->column(1));

void LiveDataTest::testLoadSaveLiveDataLinkedFile_FileExists() {
	// create a temp file and write some data into it
	QTemporaryFile tempFile;
	if (!tempFile.open())
		QFAIL("failed to create the temp file for writing");

	QFile file(tempFile.fileName());
	if (!file.open(QIODevice::ReadWrite | QIODevice::Truncate | QIODevice::Text))
		QFAIL("failed to open the temp file for writing");

	file.write("1,2\n3,4\n");
	file.flush();

	QString savePath;
	{
		Project project;

		CREATE_DUMMY_LIVEDATA_PROJECT(project, file.fileName());
		dataSource->setFileLinked(true); // Linked file, no column data stored

		SAVE_PROJECT("testLoadSaveLiveDataSource");
	}

	Project project;
	project.load(savePath);

	const auto children = project.children<LiveDataSource>();
	QCOMPARE(children.count(), 1);
	const auto* dataSource = children.first();

	QCOMPARE(dataSource->columnCount(), 2);
	QCOMPARE(dataSource->rowCount(), 2);

	QCOMPARE(dataSource->column(0)->columnMode(), AbstractColumn::ColumnMode::Integer);
	QCOMPARE(dataSource->column(1)->columnMode(), AbstractColumn::ColumnMode::Integer);

	QCOMPARE(dataSource->column(0)->integerAt(0), 1);
	QCOMPARE(dataSource->column(1)->integerAt(0), 2);

	QCOMPARE(dataSource->column(0)->integerAt(1), 3);
	QCOMPARE(dataSource->column(1)->integerAt(1), 4);

	const auto curves = project.children<XYCurve>(AbstractAspect::ChildIndexFlag::Recursive);
	QCOMPARE(curves.count(), 1);
	const auto* curve = curves.first();
	QCOMPARE(curve->xColumn(), dataSource->column(0));
	QCOMPARE(curve->yColumn(), dataSource->column(1));
}

void LiveDataTest::testLoadSaveLiveDataLinkedFile_FileNotExists() {
	QString savePath;