@Test
public void testDenseIterableTupleInput(){

    int len = 10000;
    int size = 100;
    List<Vector> vectorList = initDenseData(len, size);
    List<Tuple2<Vector, Row>> rows = new ArrayList<>();
    for(int i = 0; i < vectorList.size(); i++){
        rows.add(Tuple2.of(vectorList.get(i), Row.of(i)));
    }
    EuclideanDistance distance = new EuclideanDistance();
    List<FastDistanceData> list = distance.prepareMatrixData(rows);
    assertIterableDenseInput(list, len, size, vectorList);
}