* {@link org.richfaces.model.ArrangeableModel#getDataModelListeners()}.
*/
@Test
public void testDataModelListener() {
Assert.assertEquals(0, extendedDataModel.getDataModelListeners().length);
DataModelListener listener = new DataModelListener() {
public void rowSelected(DataModelEvent event) {
}
};
arrangeableModel.addDataModelListener(listener);