public void testSerialization() {
        LegendItemCollection c1 = new LegendItemCollection();
        c1.add(new LegendItem("Item", "Description", "ToolTip", "URL",
                new Rectangle2D.Double(1.0, 2.0, 3.0, 4.0), Color.red));
        LegendItemCollection c2 = null;
        try {
            ByteArrayOutputStream buffer = new ByteArrayOutputStream();
            ObjectOutput out = new ObjectOutputStream(buffer);
            out.writeObject(c1);
            out.close();

            ObjectInput in = new ObjectInputStream(new ByteArrayInputStream(
                    buffer.toByteArray()));
            c2 = (LegendItemCollection) in.readObject();
            in.close();
        }
        catch (Exception e) {
            e.printStackTrace();
        }
        assertEquals(c1, c2);