assertEquals(-1, this.viewportLayer.getMinimumOriginRowPosition());
assertEquals(0, this.viewportLayer.getMinimumOrigin().getX());
assertEquals(20, this.viewportLayer.getMinimumOrigin().getY());
// show again
this.compositeFreezeLayer.doCommand(new ShowAllRowsCommand());
assertEquals(0, this.freezeLayer.getColumnCount());
assertEquals(1, this.freezeLayer.getRowCount());
assertEquals(-1, this.freezeLayer.getBottomRightPosition().columnPosition);
assertEquals(0, this.freezeLayer.getBottomRightPosition().rowPosition);