container.clear();
container.add(new EmptyBlock(1.0, 2.0), RectangleEdge.TOP);
container.add(new EmptyBlock(5.0, 6.0), RectangleEdge.LEFT);
container.add(new EmptyBlock(7.0, 8.0), RectangleEdge.RIGHT);
container.add(new EmptyBlock(9.0, 10.0));
size = container.arrange(g2, constraint);
assertEquals(10.0, size.width, EPSILON);
assertEquals(12.0, size.height, EPSILON);
// TBLRC
// 11000 - top and bottom only