vector<int> mi, mi2, mi3, mi4;
vector<Mat> mv, mv2, mv3, mv4;
Mat m(10, 9, CV_32F);
+ Mat empty;
randu(m, 0, 1);
mi3.push_back(5);
mv3.push_back(m);
fs << "mv" << mv;
fs << "mi3" << mi3;
fs << "mv3" << mv3;
+ fs << "empty" << empty;
fs.release();
fs.open("test.xml", FileStorage::READ);
fs["mi"] >> mi2;
fs["mv"] >> mv2;
fs["mi3"] >> mi4;
fs["mv3"] >> mv4;
+ fs["empty"] >> empty;
CV_Assert( mi2.empty() );
CV_Assert( mv2.empty() );
CV_Assert( norm(mi3, mi4, CV_C) == 0 );