public BorderArrangementTests(String name) 
{
        super(name);
}

Constructs a new set of tests.

Parameters:

name - the name of the tests.

 public static Test suite() 
{
    
        return new TestSuite(BorderArrangementTests.class);
}

Returns the tests as a test suite.

 public  void testCloning() 
{
        BorderArrangement b1 = new BorderArrangement();
        assertFalse(b1 instanceof Cloneable);
}

Immutable - cloning is not necessary.

 public  void testEquals() 
{
        BorderArrangement b1 = new BorderArrangement();
        BorderArrangement b2 = new BorderArrangement();
        assertTrue(b1.equals(b2));
        assertTrue(b2.equals(b1));
        b1.add(new EmptyBlock(99.0, 99.0), null);
        assertFalse(b1.equals(b2));
        b2.add(new EmptyBlock(99.0, 99.0), null);
        assertTrue(b1.equals(b2));
        b1.add(new EmptyBlock(1.0, 1.0), RectangleEdge.LEFT);
        assertFalse(b1.equals(b2));
        b2.add(new EmptyBlock(1.0, 1.0), RectangleEdge.LEFT);
        assertTrue(b1.equals(b2));
        b1.add(new EmptyBlock(2.0, 2.0), RectangleEdge.RIGHT);
        assertFalse(b1.equals(b2));
        b2.add(new EmptyBlock(2.0, 2.0), RectangleEdge.RIGHT);
        assertTrue(b1.equals(b2));
        b1.add(new EmptyBlock(3.0, 3.0), RectangleEdge.TOP);
        assertFalse(b1.equals(b2));
        b2.add(new EmptyBlock(3.0, 3.0), RectangleEdge.TOP);
        assertTrue(b1.equals(b2));
        b1.add(new EmptyBlock(4.0, 4.0), RectangleEdge.BOTTOM);
        assertFalse(b1.equals(b2));
        b2.add(new EmptyBlock(4.0, 4.0), RectangleEdge.BOTTOM);
        assertTrue(b1.equals(b2));
}

Confirm that the equals() method can distinguish all the required fields.

 public  void testSerialization() 
{
        BorderArrangement b1 = new BorderArrangement();
        BorderArrangement b2 = null;
        try {
            ByteArrayOutputStream buffer = new ByteArrayOutputStream();
            ObjectOutput out = new ObjectOutputStream(buffer);
            out.writeObject(b1);
            out.close();
            ObjectInput in = new ObjectInputStream(
                new ByteArrayInputStream(buffer.toByteArray())
            );
            b2 = (BorderArrangement) in.readObject();
            in.close();
        }
        catch (Exception e) {
            fail(e.toString());
        }
        assertEquals(b1, b2);
}

Serialize an instance, restore it, and check for equality.

 public  void testSizing() 
{
        BlockContainer container = new BlockContainer(new BorderArrangement());
        BufferedImage image = new BufferedImage(
            200, 100, BufferedImage.TYPE_INT_RGB
        );
        Graphics2D g2 = image.createGraphics();
        // TBLRC
        // 00000 - no items
        Size2D size = container.arrange(g2);
        assertEquals(0.0, size.width, EPSILON);
        assertEquals(0.0, size.height, EPSILON);
        // TBLRC
        // 00001 - center item only
        container.add(new EmptyBlock(123.4, 567.8));
        size = container.arrange(g2);
        assertEquals(123.4, size.width, EPSILON);
        assertEquals(567.8, size.height, EPSILON);
        // TBLRC
        // 00010 - right item only
        container.clear();
        container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.RIGHT);
        size = container.arrange(g2);
        assertEquals(12.3, size.width, EPSILON);
        assertEquals(45.6, size.height, EPSILON);
        // TBLRC
        // 00011 - right and center items
        container.clear();
        container.add(new EmptyBlock(10.0, 20.0));
        container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.RIGHT);
        size = container.arrange(g2);
        assertEquals(22.3, size.width, EPSILON);
        assertEquals(45.6, size.height, EPSILON);
        // try case where right item is shorter than center item
        container.clear();
        Block rb = new EmptyBlock(12.3, 15.6);
        container.add(new EmptyBlock(10.0, 20.0));
        container.add(rb, RectangleEdge.RIGHT);
        size = container.arrange(g2);
        assertEquals(22.3, size.width, EPSILON);
        assertEquals(20.0, size.height, EPSILON);
        assertEquals(20.0, rb.getBounds().getHeight(), EPSILON);
        // TBLRC
        // 00100 - left item only
        container.clear();
        container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.LEFT);
        size = container.arrange(g2);
        assertEquals(12.3, size.width, EPSILON);
        assertEquals(45.6, size.height, EPSILON);
        // TBLRC
        // 00101 - left and center items
        container.clear();
        container.add(new EmptyBlock(10.0, 20.0));
        container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.LEFT);
        size = container.arrange(g2);
        assertEquals(22.3, size.width, EPSILON);
        assertEquals(45.6, size.height, EPSILON);
        // try case where left item is shorter than center item
        container.clear();
        Block lb = new EmptyBlock(12.3, 15.6);
        container.add(new EmptyBlock(10.0, 20.0));
        container.add(lb, RectangleEdge.LEFT);
        size = container.arrange(g2);
        assertEquals(22.3, size.width, EPSILON);
        assertEquals(20.0, size.height, EPSILON);
        assertEquals(20.0, lb.getBounds().getHeight(), EPSILON);
        // TBLRC
        // 00110 - left and right items
        container.clear();
        container.add(new EmptyBlock(10.0, 20.0), RectangleEdge.RIGHT);
        container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.LEFT);
        size = container.arrange(g2);
        assertEquals(22.3, size.width, EPSILON);
        assertEquals(45.6, size.height, EPSILON);
        // TBLRC
        // 00111 - left, right and center items
        container.clear();
        container.add(new EmptyBlock(10.0, 20.0));
        container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.LEFT);
        container.add(new EmptyBlock(5.4, 3.2), RectangleEdge.RIGHT);
        size = container.arrange(g2);
        assertEquals(27.7, size.width, EPSILON);
        assertEquals(45.6, size.height, EPSILON);
        // TBLRC
        // 01000 - bottom item only
        container.clear();
        container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.BOTTOM);
        size = container.arrange(g2);
        assertEquals(12.3, size.width, EPSILON);
        assertEquals(45.6, size.height, EPSILON);
        // TBLRC
        // 01001 - bottom and center only
        container.clear();
        container.add(new EmptyBlock(10.0, 20.0));
        container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.BOTTOM);
        size = container.arrange(g2);
        assertEquals(12.3, size.width, EPSILON);
        assertEquals(65.6, size.height, EPSILON);
        // TBLRC
        // 01010 - bottom and right only
        container.clear();
        container.add(new EmptyBlock(10.0, 20.0), RectangleEdge.RIGHT);
        container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.BOTTOM);
        size = container.arrange(g2);
        assertEquals(12.3, size.width, EPSILON);
        assertEquals(65.6, size.height, EPSILON);
        // TBLRC
        // 01011 - bottom, right and center
        container.clear();
        container.add(new EmptyBlock(21.0, 12.3));
        container.add(new EmptyBlock(10.0, 20.0), RectangleEdge.RIGHT);
        container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.BOTTOM);
        size = container.arrange(g2);
        assertEquals(31.0, size.width, EPSILON);
        assertEquals(65.6, size.height, EPSILON);
        // TBLRC
        // 01100
        container.clear();
        container.add(new EmptyBlock(10.0, 20.0), RectangleEdge.LEFT);
        container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.BOTTOM);
        size = container.arrange(g2);
        assertEquals(12.3, size.width, EPSILON);
        assertEquals(65.6, size.height, EPSILON);
        // TBLRC
        // 01101 - bottom, left and center
        container.clear();
        container.add(new EmptyBlock(21.0, 12.3));
        container.add(new EmptyBlock(10.0, 20.0), RectangleEdge.LEFT);
        container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.BOTTOM);
        size = container.arrange(g2);
        assertEquals(31.0, size.width, EPSILON);
        assertEquals(65.6, size.height, EPSILON);
        // TBLRC
        // 01110 - bottom. left and right
        container.clear();
        container.add(new EmptyBlock(21.0, 12.3), RectangleEdge.RIGHT);
        container.add(new EmptyBlock(10.0, 20.0), RectangleEdge.LEFT);
        container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.BOTTOM);
        size = container.arrange(g2);
        assertEquals(31.0, size.width, EPSILON);
        assertEquals(65.6, size.height, EPSILON);
        // TBLRC
        // 01111
        container.clear();
        container.add(new EmptyBlock(3.0, 4.0), RectangleEdge.BOTTOM);
        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);
        assertEquals(21.0, size.width, EPSILON);
        assertEquals(14.0, size.height, EPSILON);
        // TBLRC
        // 10000 - top item only
        container.clear();
        container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.TOP);
        size = container.arrange(g2);
        assertEquals(12.3, size.width, EPSILON);
        assertEquals(45.6, size.height, EPSILON);
        // TBLRC
        // 10001 - top and center only
        container.clear();
        container.add(new EmptyBlock(10.0, 20.0));
        container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.TOP);
        size = container.arrange(g2);
        assertEquals(12.3, size.width, EPSILON);
        assertEquals(65.6, size.height, EPSILON);
        // TBLRC
        // 10010 - right and top only
        container.clear();
        container.add(new EmptyBlock(10.0, 20.0), RectangleEdge.RIGHT);
        container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.TOP);
        size = container.arrange(g2);
        assertEquals(12.3, size.width, EPSILON);
        assertEquals(65.6, size.height, EPSILON);
        // TBLRC
        // 10011 - top, right and center
        container.clear();
        container.add(new EmptyBlock(21.0, 12.3));
        container.add(new EmptyBlock(10.0, 20.0), RectangleEdge.TOP);
        container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.RIGHT);
        size = container.arrange(g2);
        assertEquals(33.3, size.width, EPSILON);
        assertEquals(65.6, size.height, EPSILON);
        // TBLRC
        // 10100 - top and left only
        container.clear();
        container.add(new EmptyBlock(10.0, 20.0), RectangleEdge.LEFT);
        container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.TOP);
        size = container.arrange(g2);
        assertEquals(12.3, size.width, EPSILON);
        assertEquals(65.6, size.height, EPSILON);
        // TBLRC
        // 10101 - top, left and center
        container.clear();
        container.add(new EmptyBlock(21.0, 12.3));
        container.add(new EmptyBlock(10.0, 20.0), RectangleEdge.TOP);
        container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.LEFT);
        size = container.arrange(g2);
        assertEquals(33.3, size.width, EPSILON);
        assertEquals(65.6, size.height, EPSILON);
        // TBLRC
        // 10110 - top, left and right
        container.clear();
        container.add(new EmptyBlock(21.0, 12.3), RectangleEdge.RIGHT);
        container.add(new EmptyBlock(10.0, 20.0), RectangleEdge.TOP);
        container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.LEFT);
        size = container.arrange(g2);
        assertEquals(33.3, size.width, EPSILON);
        assertEquals(65.6, size.height, EPSILON);
        // TBLRC
        // 10111
        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);
        assertEquals(21.0, size.width, EPSILON);
        assertEquals(12.0, size.height, EPSILON);
        // TBLRC
        // 11000 - top and bottom only
        container.clear();
        container.add(new EmptyBlock(10.0, 20.0), RectangleEdge.TOP);
        container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.BOTTOM);
        size = container.arrange(g2);
        assertEquals(12.3, size.width, EPSILON);
        assertEquals(65.6, size.height, EPSILON);
        // TBLRC
        // 11001
        container.clear();
        container.add(new EmptyBlock(21.0, 12.3));
        container.add(new EmptyBlock(10.0, 20.0), RectangleEdge.TOP);
        container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.BOTTOM);
        size = container.arrange(g2);
        assertEquals(21.0, size.width, EPSILON);
        assertEquals(77.9, size.height, EPSILON);
        // TBLRC
        // 11010 - top, bottom and right
        container.clear();
        container.add(new EmptyBlock(21.0, 12.3), RectangleEdge.RIGHT);
        container.add(new EmptyBlock(10.0, 20.0), RectangleEdge.TOP);
        container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.BOTTOM);
        size = container.arrange(g2);
        assertEquals(21.0, size.width, EPSILON);
        assertEquals(77.9, size.height, EPSILON);
        // TBLRC
        // 11011
        container.clear();
        container.add(new EmptyBlock(1.0, 2.0), RectangleEdge.TOP);
        container.add(new EmptyBlock(3.0, 4.0), RectangleEdge.BOTTOM);
        container.add(new EmptyBlock(7.0, 8.0), RectangleEdge.RIGHT);
        container.add(new EmptyBlock(9.0, 10.0));
        size = container.arrange(g2);
        assertEquals(16.0, size.width, EPSILON);
        assertEquals(16.0, size.height, EPSILON);
        // TBLRC
        // 11100
        container.clear();
        container.add(new EmptyBlock(21.0, 12.3), RectangleEdge.LEFT);
        container.add(new EmptyBlock(10.0, 20.0), RectangleEdge.TOP);
        container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.BOTTOM);
        size = container.arrange(g2);
        assertEquals(21.0, size.width, EPSILON);
        assertEquals(77.9, size.height, EPSILON);
        // TBLRC
        // 11101
        container.clear();
        container.add(new EmptyBlock(1.0, 2.0), RectangleEdge.TOP);
        container.add(new EmptyBlock(3.0, 4.0), RectangleEdge.BOTTOM);
        container.add(new EmptyBlock(5.0, 6.0), RectangleEdge.LEFT);
        container.add(new EmptyBlock(9.0, 10.0));
        size = container.arrange(g2);
        assertEquals(14.0, size.width, EPSILON);
        assertEquals(16.0, size.height, EPSILON);
        // TBLRC
        // 11110
        container.clear();
        container.add(new EmptyBlock(1.0, 2.0), RectangleEdge.TOP);
        container.add(new EmptyBlock(3.0, 4.0), RectangleEdge.BOTTOM);
        container.add(new EmptyBlock(5.0, 6.0), RectangleEdge.LEFT);
        container.add(new EmptyBlock(7.0, 8.0), RectangleEdge.RIGHT);
        size = container.arrange(g2);
        assertEquals(12.0, size.width, EPSILON);
        assertEquals(14.0, size.height, EPSILON);
        // TBLRC
        // 11111 - all
        container.clear();
        container.add(new EmptyBlock(1.0, 2.0), RectangleEdge.TOP);
        container.add(new EmptyBlock(3.0, 4.0), RectangleEdge.BOTTOM);
        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);
        assertEquals(21.0, size.width, EPSILON);
        assertEquals(16.0, size.height, EPSILON);
}

Run some checks on sizing.

 public  void testSizingWithWidthConstraint() 
{
        RectangleConstraint constraint = new RectangleConstraint(
            10.0, new Range(10.0, 10.0), LengthConstraintType.FIXED,
            0.0, new Range(0.0, 0.0), LengthConstraintType.NONE
        );
        BlockContainer container = new BlockContainer(new BorderArrangement());
        BufferedImage image = new BufferedImage(
            200, 100, BufferedImage.TYPE_INT_RGB
        );
        Graphics2D g2 = image.createGraphics();
        // TBLRC
        // 00001 - center item only
        container.add(new EmptyBlock(5.0, 6.0));
        Size2D size = container.arrange(g2, constraint);
        assertEquals(10.0, size.width, EPSILON);
        assertEquals(6.0, size.height, EPSILON);
        container.clear();
        container.add(new EmptyBlock(15.0, 16.0));
        size = container.arrange(g2, constraint);
        assertEquals(10.0, size.width, EPSILON);
        assertEquals(16.0, size.height, EPSILON);
        // TBLRC
        // 00010 - right item only
        container.clear();
        container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.RIGHT);
        size = container.arrange(g2, constraint);
        assertEquals(10.0, size.width, EPSILON);
        assertEquals(45.6, size.height, EPSILON);
        // TBLRC
        // 00011 - right and center items
        container.clear();
        container.add(new EmptyBlock(7.0, 20.0));
        container.add(new EmptyBlock(8.0, 45.6), RectangleEdge.RIGHT);
        size = container.arrange(g2, constraint);
        assertEquals(10.0, size.width, EPSILON);
        assertEquals(45.6, size.height, EPSILON);
        // TBLRC
        // 00100 - left item only
        container.clear();
        container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.LEFT);
        size = container.arrange(g2, constraint);
        assertEquals(10.0, size.width, EPSILON);
        assertEquals(45.6, size.height, EPSILON);
        // TBLRC
        // 00101 - left and center items
        container.clear();
        container.add(new EmptyBlock(10.0, 20.0));
        container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.LEFT);
        size = container.arrange(g2, constraint);
        assertEquals(10.0, size.width, EPSILON);
        assertEquals(45.6, size.height, EPSILON);
        // TBLRC
        // 00110 - left and right items
        container.clear();
        container.add(new EmptyBlock(10.0, 20.0), RectangleEdge.RIGHT);
        container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.LEFT);
        size = container.arrange(g2, constraint);
        assertEquals(10.0, size.width, EPSILON);
        assertEquals(45.6, size.height, EPSILON);
        // TBLRC
        // 00111 - left, right and center items
        container.clear();
        container.add(new EmptyBlock(10.0, 20.0));
        container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.LEFT);
        container.add(new EmptyBlock(5.4, 3.2), RectangleEdge.RIGHT);
        size = container.arrange(g2, constraint);
        assertEquals(10.0, size.width, EPSILON);
        assertEquals(45.6, size.height, EPSILON);
        // TBLRC
        // 01000 - bottom item only
        container.clear();
        container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.BOTTOM);
        size = container.arrange(g2, constraint);
        assertEquals(10.0, size.width, EPSILON);
        assertEquals(45.6, size.height, EPSILON);
        // TBLRC
        // 01001 - bottom and center only
        container.clear();
        container.add(new EmptyBlock(10.0, 20.0));
        container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.BOTTOM);
        size = container.arrange(g2, constraint);
        assertEquals(10.0, size.width, EPSILON);
        assertEquals(65.6, size.height, EPSILON);
        // TBLRC
        // 01010 - bottom and right only
        container.clear();
        container.add(new EmptyBlock(10.0, 20.0), RectangleEdge.RIGHT);
        container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.BOTTOM);
        size = container.arrange(g2, constraint);
        assertEquals(10.0, size.width, EPSILON);
        assertEquals(65.6, size.height, EPSILON);
        // TBLRC
        // 01011 - bottom, right and center
        container.clear();
        container.add(new EmptyBlock(21.0, 12.3));
        container.add(new EmptyBlock(10.0, 20.0), RectangleEdge.RIGHT);
        container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.BOTTOM);
        size = container.arrange(g2, constraint);
        assertEquals(10.0, size.width, EPSILON);
        assertEquals(65.6, size.height, EPSILON);
        // TBLRC
        // 01100
        container.clear();
        container.add(new EmptyBlock(10.0, 20.0), RectangleEdge.LEFT);
        container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.BOTTOM);
        size = container.arrange(g2, constraint);
        assertEquals(10.0, size.width, EPSILON);
        assertEquals(65.6, size.height, EPSILON);
        // TBLRC
        // 01101 - bottom, left and center
        container.clear();
        container.add(new EmptyBlock(21.0, 12.3));
        container.add(new EmptyBlock(10.0, 20.0), RectangleEdge.LEFT);
        container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.BOTTOM);
        size = container.arrange(g2, constraint);
        assertEquals(10.0, size.width, EPSILON);
        assertEquals(65.6, size.height, EPSILON);
        // TBLRC
        // 01110 - bottom. left and right
        container.clear();
        container.add(new EmptyBlock(21.0, 12.3), RectangleEdge.RIGHT);
        container.add(new EmptyBlock(10.0, 20.0), RectangleEdge.LEFT);
        container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.BOTTOM);
        size = container.arrange(g2, constraint);
        assertEquals(10.0, size.width, EPSILON);
        assertEquals(65.6, size.height, EPSILON);
        // TBLRC
        // 01111
        container.clear();
        container.add(new EmptyBlock(3.0, 4.0), RectangleEdge.BOTTOM);
        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(14.0, size.height, EPSILON);
        // TBLRC
        // 10000 - top item only
        container.clear();
        container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.TOP);
        size = container.arrange(g2, constraint);
        assertEquals(10.0, size.width, EPSILON);
        assertEquals(45.6, size.height, EPSILON);
        // TBLRC
        // 10001 - top and center only
        container.clear();
        container.add(new EmptyBlock(10.0, 20.0));
        container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.TOP);
        size = container.arrange(g2, constraint);
        assertEquals(10.0, size.width, EPSILON);
        assertEquals(65.6, size.height, EPSILON);
        // TBLRC
        // 10010 - right and top only
        container.clear();
        container.add(new EmptyBlock(10.0, 20.0), RectangleEdge.RIGHT);
        container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.TOP);
        size = container.arrange(g2, constraint);
        assertEquals(10.0, size.width, EPSILON);
        assertEquals(65.6, size.height, EPSILON);
        // TBLRC
        // 10011 - top, right and center
        container.clear();
        container.add(new EmptyBlock(21.0, 12.3));
        container.add(new EmptyBlock(10.0, 20.0), RectangleEdge.TOP);
        container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.RIGHT);
        size = container.arrange(g2, constraint);
        assertEquals(10.0, size.width, EPSILON);
        assertEquals(65.6, size.height, EPSILON);
        // TBLRC
        // 10100 - top and left only
        container.clear();
        container.add(new EmptyBlock(10.0, 20.0), RectangleEdge.LEFT);
        container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.TOP);
        size = container.arrange(g2, constraint);
        assertEquals(10.0, size.width, EPSILON);
        assertEquals(65.6, size.height, EPSILON);
        // TBLRC
        // 10101 - top, left and center
        container.clear();
        container.add(new EmptyBlock(21.0, 12.3));
        container.add(new EmptyBlock(10.0, 20.0), RectangleEdge.TOP);
        container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.LEFT);
        size = container.arrange(g2, constraint);
        assertEquals(10.0, size.width, EPSILON);
        assertEquals(65.6, size.height, EPSILON);
        // TBLRC
        // 10110 - top, left and right
        container.clear();
        container.add(new EmptyBlock(21.0, 12.3), RectangleEdge.RIGHT);
        container.add(new EmptyBlock(10.0, 20.0), RectangleEdge.TOP);
        container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.LEFT);
        size = container.arrange(g2, constraint);
        assertEquals(10.0, size.width, EPSILON);
        assertEquals(65.6, size.height, EPSILON);
        // TBLRC
        // 10111
        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
        container.clear();
        container.add(new EmptyBlock(10.0, 20.0), RectangleEdge.TOP);
        container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.BOTTOM);
        size = container.arrange(g2, constraint);
        assertEquals(10.0, size.width, EPSILON);
        assertEquals(65.6, size.height, EPSILON);
        // TBLRC
        // 11001
        container.clear();
        container.add(new EmptyBlock(21.0, 12.3));
        container.add(new EmptyBlock(10.0, 20.0), RectangleEdge.TOP);
        container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.BOTTOM);
        size = container.arrange(g2, constraint);
        assertEquals(10.0, size.width, EPSILON);
        assertEquals(77.9, size.height, EPSILON);
        // TBLRC
        // 11010 - top, bottom and right
        container.clear();
        container.add(new EmptyBlock(21.0, 12.3), RectangleEdge.RIGHT);
        container.add(new EmptyBlock(10.0, 20.0), RectangleEdge.TOP);
        container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.BOTTOM);
        size = container.arrange(g2, constraint);
        assertEquals(10.0, size.width, EPSILON);
        assertEquals(77.9, size.height, EPSILON);
        // TBLRC
        // 11011
        container.clear();
        container.add(new EmptyBlock(1.0, 2.0), RectangleEdge.TOP);
        container.add(new EmptyBlock(3.0, 4.0), RectangleEdge.BOTTOM);
        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(16.0, size.height, EPSILON);
        // TBLRC
        // 11100
        container.clear();
        container.add(new EmptyBlock(21.0, 12.3), RectangleEdge.LEFT);
        container.add(new EmptyBlock(10.0, 20.0), RectangleEdge.TOP);
        container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.BOTTOM);
        size = container.arrange(g2, constraint);
        assertEquals(10.0, size.width, EPSILON);
        assertEquals(77.9, size.height, EPSILON);
        // TBLRC
        // 11101
        container.clear();
        container.add(new EmptyBlock(1.0, 2.0), RectangleEdge.TOP);
        container.add(new EmptyBlock(3.0, 4.0), RectangleEdge.BOTTOM);
        container.add(new EmptyBlock(5.0, 6.0), RectangleEdge.LEFT);
        container.add(new EmptyBlock(9.0, 10.0));
        size = container.arrange(g2, constraint);
        assertEquals(10.0, size.width, EPSILON);
        assertEquals(16.0, size.height, EPSILON);
        // TBLRC
        // 11110
        container.clear();
        container.add(new EmptyBlock(1.0, 2.0), RectangleEdge.TOP);
        container.add(new EmptyBlock(3.0, 4.0), RectangleEdge.BOTTOM);
        container.add(new EmptyBlock(5.0, 6.0), RectangleEdge.LEFT);
        container.add(new EmptyBlock(7.0, 8.0), RectangleEdge.RIGHT);
        size = container.arrange(g2, constraint);
        assertEquals(10.0, size.width, EPSILON);
        assertEquals(14.0, size.height, EPSILON);
        // TBLRC
        // 11111 - all
        container.clear();
        container.add(new EmptyBlock(1.0, 2.0), RectangleEdge.TOP);
        container.add(new EmptyBlock(3.0, 4.0), RectangleEdge.BOTTOM);
        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(16.0, size.height, EPSILON);
        // TBLRC
        // 00000 - no items
        container.clear();
        size = container.arrange(g2, constraint);
        assertEquals(10.0, size.width, EPSILON);
        assertEquals(0.0, size.height, EPSILON);
}

Run some checks on sizing when there is a fixed width constraint.