@Test
public void testFreezeHideShowRowViewportRegionEdge() {
// freeze
this.compositeFreezeLayer.doCommand(
new FreezeRowCommand(this.compositeFreezeLayer, 1));
assertEquals(0, this.freezeLayer.getColumnCount());
assertEquals(2, this.freezeLayer.getRowCount());
assertEquals(-1, this.freezeLayer.getBottomRightPosition().columnPosition);
assertEquals(1, this.freezeLayer.getBottomRightPosition().rowPosition);