Method testSortSingleNumeric1

tests/spreadsheet/SpreadsheetTest.cpp:506–523

* check sorting single column of double values with NaN ascending */

 * check sorting single column of double values with NaN ascending
 */
void SpreadsheetTest::testSortSingleNumeric1() {
	const QVector<double> xData{0.5, -0.2, GSL_NAN, 2.0, -1.0};

	Spreadsheet sheet(QStringLiteral("test"), false);
	sheet.setColumnCount(1);
	sheet.setRowCount(7);
	auto* col = sheet.column(0);
	col->replaceValues(0, xData);

	// sort
	sheet.sortColumns(nullptr, {col}, true);

	// values
	QCOMPARE(col->valueAt(0), -1.0);
	QCOMPARE(col->valueAt(1), -0.2);
	QCOMPARE(col->valueAt(2), 0.5);
	QCOMPARE(col->valueAt(3), 2.0);
}

/*
 * check sorting single column of double values with NaN descending