/**
* Test method for {@link org.richfaces.model.ModifiableModel#walk(javax.faces.context.FacesContext, org.ajax4jsf.model.DataVisitor, org.ajax4jsf.model.Range, java.lang.Object)}.
*/
public final void testWalk() {
SequenceRange range = new SequenceRange(0, -1);
DataVisitor visitor = new DataVisitor(){
public void process(FacesContext context, Object rowKey,
Object argument) throws IOException {
Object key = model.getRowKey();
model.setRowKey(rowKey);