// check case where number of data items matches number of columns
DefaultTableModel m1 = new DefaultTableModel(
new Object[] {"C1", "C2", "C3"}, 0);
MyTableModelListener listener1 = new MyTableModelListener();
m1.addTableModelListener(listener1);
m1.addRow(new Object[] {"V1", "V2", "V3"});
harness.check(m1.getColumnCount(), 3);
harness.check(m1.getRowCount(), 1);
TableModelEvent event = listener1.getEvent();
harness.check(event.getType(), TableModelEvent.INSERT);
harness.check(event.getColumn(), TableModelEvent.ALL_COLUMNS);