harness.check(t.convertColumnIndexToView(6), -1);
harness.check(t.convertColumnIndexToView(999), -1);
TableColumnModel tcm = t.getColumnModel();
tcm.moveColumn(0, 4);
harness.check(t.convertColumnIndexToView(0), 4);
harness.check(t.convertColumnIndexToView(1), 0);
harness.check(t.convertColumnIndexToView(2), 1);
harness.check(t.convertColumnIndexToView(3), 2);
harness.check(t.convertColumnIndexToView(4), 3);
harness.check(t.convertColumnIndexToView(5), 5);