@Test
public void testFreezeHideShowColumnFrozenRegionMiddle() {
// freeze the first 4 columns
this.compositeFreezeLayer.doCommand(
new FreezeColumnCommand(this.compositeFreezeLayer, 3));
assertEquals(4, this.freezeLayer.getColumnCount());
assertEquals(0, this.freezeLayer.getRowCount());
assertEquals(3, this.freezeLayer.getBottomRightPosition().columnPosition);
assertEquals(-1, this.freezeLayer.getBottomRightPosition().rowPosition);