@Test public void remap2() 
{

    ColumnMap x = new ColumnMap("SPO->POS", 2,0,1) ;
    Integer[] array = { 0,1,2 } ;
    assertEquals(Integer.valueOf(1), x.fetchSlot(0, array)) ;   // The index 1 comes from position 0.
    assertEquals(Integer.valueOf(2), x.fetchSlot(1, array)) ;
    assertEquals(Integer.valueOf(0), x.fetchSlot(2, array)) ;
}