assertEquals(200, this.viewportLayer.getMinimumOrigin().getX());
assertEquals(0, this.viewportLayer.getMinimumOrigin().getY());
// hide
this.compositeFreezeLayer.doCommand(
new MultiColumnHideCommand(this.compositeFreezeLayer, new int[] { 0, 1, 2, 3, 4 }));
assertEquals(0, this.freezeLayer.getColumnCount());
assertEquals(0, this.freezeLayer.getRowCount());
assertEquals(-1, this.freezeLayer.getBottomRightPosition().columnPosition);
assertEquals(-1, this.freezeLayer.getBottomRightPosition().rowPosition);