open QFile with ':' in filename

#include <QFile>
#include <QDebug>

int main(int, char *[])
{
	QFile file("./test:.txt"); //open returns true; will create file with name: ./test
	//QFile file("./test:txt"); //open returns true; will create file with name: ./test
	//QFile file("./:.txt"); //open returns false
	//QFile file("./test:."); //open returns false
	//QFile file("./:"); //open returns false
	//QFile file("./:test"); //open returns false
	if(file.open(QFile::WriteOnly)){
		qDebug() << "created";
	} else {
		qDebug() << "not created";
	}
}