layerListener = new LayerListenerFixture();
dataLayer.addLayerListener(layerListener);
dataLayer.setColumnWidthByPosition(2, 200);
// This is the propagated event
ColumnResizeEvent columnResizeEvent = (ColumnResizeEvent) layerListener
.getReceivedEvents().get(0);
Collection<Rectangle> actualRectangles = columnResizeEvent
.getChangedPositionRectangles();
// The affected region should have the following size
Rectangle expectedRectangle = new Rectangle(2, 0, 3, 7);
Assert.assertEquals(expectedRectangle, actualRectangles.iterator()