@Test
public void testSparseVectorRowInput(){

    Vector vec = new SparseVector(10, new int[]{1, 2}, new double[]{1.0, 1.0});
    EuclideanDistance distance = new EuclideanDistance();
    FastDistanceVectorData vectorData = distance.prepareVectorData(Row.of(vec, 0, "a"), 0, 1, 2);
    assertVectorInput(vectorData, vec, Row.of(0, "a"));
}