Method readCompressed

test/coord_xml_t.cpp:764–982

}

void CoordXmlTest::readCompressed()
{
	QFETCH(int, num_coords);
	MapCoordVector coords(num_coords, proto_coord);
	
	buffer.buffer().truncate(0);
	QBuffer header;
	{
		QXmlStreamWriter xml(&header);
		
		header.open(QBuffer::ReadWrite);
		xml.setAutoFormatting(false);
		xml.writeStartDocument();
		xml.writeStartElement(QString::fromLatin1("root"));
		xml.writeCharacters(QString{}); // flush root start element
		
		buffer.open(QBuffer::ReadWrite);
		xml.setDevice(&buffer);
		xml.writeStartElement(QString::fromLatin1("coords"));
		writeCompressed_implementation(coords, xml);
		xml.writeEndElement();
		
		xml.setDevice(nullptr);
		
		buffer.close();
		header.close();
	}
	
	header.open(QBuffer::ReadOnly);
	buffer.open(QBuffer::ReadOnly);
	QXmlStreamReader xml;
	xml.addData(header.buffer());
	
	xml.readNextStartElement();
	QCOMPARE(xml.name().toString(), QString::fromLatin1("root"));
	
	bool failed = false;
	QBENCHMARK
	{
		// benchmark iteration overhead
		coords.clear();
		xml.addData(buffer.data());
		xml.readNextStartElement();
		if (xml.name() != QLatin1String("coords"))
		{
			failed = true;
			break;
		}
		
		for( xml.readNext();
		     xml.tokenType() != QXmlStreamReader::EndElement;
		     xml.readNext() )
		{
			if (xml.error())
			{
				qDebug() << xml.errorString();
				failed = true;
				break;