private static boolean testRectangle() {
    boolean pass = true;
    int test = 1;
    Rectangle rect;

    System.out.println("Rectangle tests...");

    rect = new Rectangle(4.3, 5.6, new Point(-99, 66), Color.cyan, false);
    pass &= test(approx(rect.getArea(), 4.3 * 5.6, 0.000001), test++);
    pass &= test(rect.getColor().equals(Color.cyan), test++);

    rect.setColor(Color.black);
    pass &= test(rect.getColor().equals(Color.black), test++);
    pass &= test(!rect.getFilled(), test++);

    rect.setFilled(true);
    pass &= test(rect.getFilled(), test++);
    pass &= test(rect.getWidth() == 4.3, test++);
    pass &= test(rect.getHeight() == 5.6, test++);

    rect.setWidth(4.321);
    pass &= test(rect.getWidth() == 4.321, test++);

    rect.setHeight(89.21);
    pass &= test(rect.getHeight() == 89.21, test++);
    pass &= test(approx(rect.getArea(), 4.321 * 89.21, 0.000001), test++);
    pass &= test(rect.getPosition().equals(new Point(-99, 66)), test++);

    rect.move(new Point(-5, -7));
    pass &= test(rect.getPosition().equals(new Point(-104, 59)), test++);

    Rectangle rect2 = new Rectangle(4.321, 89.21, new Point(-104, 59), Color.black, true);
    pass &= test(rect.equals(rect2), test++);

    Rectangle rect3 = new Rectangle(4.3219, 89.21, new Point(-104, 59), Color.black, false);
    pass &= test(!rect2.equals(rect3), test++);

    rect3 = new Rectangle(4.321, 89.219, new Point(-104, 59), Color.black, false);
    pass &= test(!rect2.equals(rect3), test++);

    rect3 = new Rectangle(4.321, 89.21, new Point(-104, 59), Color.red, false);
    pass &= test(!rect2.equals(rect3), test++);

    rect3 = new Rectangle(4.321, 89.21, new Point(104, 59), Color.black, false);
    pass &= test(!rect2.equals(rect3), test++);

    pass &= test(!rect2.equals(null), test++);
    pass &= test(!rect2.equals(new String("Whatever")), test++);

    return pass;
  }
Пример #2
0
  public static void main(String[] args) {
    Circle circle = new Circle(1);
    System.out.println("A circle (toString()):\n\t" + circle.toString());

    System.out.println("The color is " + circle.getColor());
    System.out.println("The radius is " + circle.getRadius());
    System.out.println("The area is " + circle.getArea());
    System.out.println("The diameter is " + circle.getDiameter());
    System.out.println();

    Rectangle rectangle = new Rectangle(2, 4);
    System.out.println("The color is " + rectangle.getColor());
    System.out.println("A rectangle (toString()):\n\t " + rectangle);
    System.out.println("The area is " + rectangle.getArea());
    System.out.println("The perimeter is " + rectangle.getPerimeter());
    System.out.println();

    System.exit(0);
  }
  /** tests the basic shapes. */
  public void testBasicShapes() throws Exception {
    Circle circle = new Circle();
    circle.setColor(Color.BLUE);
    circle.setId("someid");
    circle.setLineStyle(LineStyle.solid);
    circle.setPositionX(8);
    circle.setPositionY(9);
    circle.setRadius(10);

    JacksonJaxbJsonProvider provider = new JacksonJaxbJsonProvider();
    ObjectMapper circleMapper =
        provider.locateMapper(Circle.class, MediaType.APPLICATION_JSON_TYPE);
    ObjectMapper clientMapper = new ObjectMapper();

    ByteArrayOutputStream out = new ByteArrayOutputStream();
    circleMapper.writeValue(out, circle);
    ByteArrayInputStream in = new ByteArrayInputStream(out.toByteArray());

    shapes.json.Circle clientCircle = clientMapper.readValue(in, shapes.json.Circle.class);
    assertSame(shapes.json.Color.BLUE, clientCircle.getColor());
    assertEquals("someid", clientCircle.getId());
    assertEquals(shapes.json.LineStyle.solid, clientCircle.getLineStyle());
    assertEquals(8, clientCircle.getPositionX());
    assertEquals(9, clientCircle.getPositionY());
    assertEquals(10, clientCircle.getRadius());

    out = new ByteArrayOutputStream();
    clientMapper.writeValue(out, clientCircle);
    in = new ByteArrayInputStream(out.toByteArray());

    circle = circleMapper.readValue(in, Circle.class);
    assertSame(Color.BLUE, circle.getColor());
    assertEquals("someid", circle.getId());
    assertEquals(LineStyle.solid, circle.getLineStyle());
    assertEquals(8, circle.getPositionX());
    assertEquals(9, circle.getPositionY());
    assertEquals(10, circle.getRadius());

    ObjectMapper rectangleMapper =
        provider.locateMapper(Rectangle.class, MediaType.APPLICATION_JSON_TYPE);

    Rectangle rectangle = new Rectangle();
    rectangle.setColor(Color.GREEN);
    rectangle.setId("rectid");
    rectangle.setHeight(500);
    rectangle.setWidth(1000);
    rectangle.setLineStyle(LineStyle.dotted);
    rectangle.setPositionX(-100);
    rectangle.setPositionY(-300);

    out = new ByteArrayOutputStream();
    rectangleMapper.writeValue(out, rectangle);
    in = new ByteArrayInputStream(out.toByteArray());

    shapes.json.Rectangle clientRect = clientMapper.readValue(in, shapes.json.Rectangle.class);
    assertSame(shapes.json.Color.GREEN, clientRect.getColor());
    assertEquals("rectid", clientRect.getId());
    assertEquals(shapes.json.LineStyle.dotted, clientRect.getLineStyle());
    assertEquals(500, clientRect.getHeight());
    assertEquals(1000, clientRect.getWidth());
    assertEquals(-100, clientRect.getPositionX());
    assertEquals(-300, clientRect.getPositionY());

    out = new ByteArrayOutputStream();
    clientMapper.writeValue(out, clientRect);
    in = new ByteArrayInputStream(out.toByteArray());

    rectangle = rectangleMapper.readValue(in, Rectangle.class);
    assertSame(Color.GREEN, rectangle.getColor());
    assertEquals("rectid", rectangle.getId());
    assertEquals(LineStyle.dotted, rectangle.getLineStyle());
    assertEquals(500, rectangle.getHeight());
    assertEquals(1000, rectangle.getWidth());
    assertEquals(-100, rectangle.getPositionX());
    assertEquals(-300, rectangle.getPositionY());

    ObjectMapper triangleMapper =
        provider.locateMapper(Triangle.class, MediaType.APPLICATION_JSON_TYPE);

    Triangle triangle = new Triangle();
    triangle.setBase(90);
    triangle.setColor(Color.RED);
    triangle.setHeight(100);
    triangle.setId("triangleId");
    triangle.setLineStyle(LineStyle.dashed);
    triangle.setPositionX(0);
    triangle.setPositionY(-10);

    out = new ByteArrayOutputStream();
    triangleMapper.writeValue(out, triangle);
    in = new ByteArrayInputStream(out.toByteArray());

    shapes.json.Triangle clientTri = clientMapper.readValue(in, shapes.json.Triangle.class);
    assertSame(shapes.json.Color.RED, clientTri.getColor());
    assertEquals("triangleId", clientTri.getId());
    assertEquals(shapes.json.LineStyle.dashed, clientTri.getLineStyle());
    assertEquals(90, clientTri.getBase());
    assertEquals(100, clientTri.getHeight());
    assertEquals(0, clientTri.getPositionX());
    assertEquals(-10, clientTri.getPositionY());

    out = new ByteArrayOutputStream();
    clientMapper.writeValue(out, clientTri);
    in = new ByteArrayInputStream(out.toByteArray());

    triangle = triangleMapper.readValue(in, Triangle.class);
    assertSame(Color.RED, triangle.getColor());
    assertEquals(90, triangle.getBase());
    assertEquals(100, triangle.getHeight());
    assertEquals("triangleId", triangle.getId());
    assertSame(LineStyle.dashed, triangle.getLineStyle());
    assertEquals(0, triangle.getPositionX());
    assertEquals(-10, triangle.getPositionY());
  }
  /** tests house. This one has things like nillable and required properties. */
  public void testHouse() throws Exception {
    House house = new House();
    Rectangle base = new Rectangle();
    base.setColor(Color.BLUE);
    base.setHeight(80);
    base.setWidth(80);
    base.setLineStyle(LineStyle.solid);
    base.setId("baseid");
    house.setBase(base);
    Rectangle door = new Rectangle();
    door.setColor(Color.YELLOW);
    door.setHeight(35);
    door.setWidth(20);
    door.setLineStyle(LineStyle.solid);
    door.setId("doorId");
    house.setDoor(door);
    Circle knob = new Circle();
    knob.setColor(Color.RED);
    knob.setId("knobId");
    knob.setLineStyle(LineStyle.dashed);
    knob.setRadius(2);
    house.setDoorKnob(knob);
    Label label1 = new Label();
    label1.setValue("bachelor-pad");
    Label label2 = new Label();
    label2.setValue("single-family-dwelling");
    house.setLabels(Arrays.asList(label1, label2));
    Triangle roof = new Triangle();
    roof.setBase(84);
    roof.setHeight(20);
    roof.setColor(Color.YELLOW);
    roof.setLineStyle(LineStyle.solid);
    house.setRoof(roof);
    Rectangle window = new Rectangle();
    window.setColor(Color.YELLOW);
    window.setHeight(10);
    window.setWidth(10);
    window.setLineStyle(LineStyle.solid);
    house.setWindows(Arrays.asList(window));
    house.setConstructedDate(new DateTime(3L));
    house.setType(XmlQNameEnumUtil.toQName(HouseType.brick));
    house.setStyle(XmlQNameEnumUtil.toQName(HouseStyle.latin));
    house.setColor(XmlQNameEnumUtil.toURI(HouseColor.blue));

    JacksonJaxbJsonProvider provider = new JacksonJaxbJsonProvider();
    ObjectMapper houseMapper = provider.locateMapper(House.class, MediaType.APPLICATION_JSON_TYPE);
    ObjectMapper clientMapper = new ObjectMapper();
    ByteArrayOutputStream out = new ByteArrayOutputStream();
    houseMapper.writeValue(out, house);
    ByteArrayInputStream in = new ByteArrayInputStream(out.toByteArray());
    shapes.json.structures.House clientHouse =
        clientMapper.readValue(in, shapes.json.structures.House.class);

    shapes.json.Rectangle clientBase = clientHouse.getBase();
    assertSame(shapes.json.Color.BLUE, clientBase.getColor());
    assertSame(shapes.json.LineStyle.solid, clientBase.getLineStyle());
    assertEquals(80, clientBase.getHeight());
    assertEquals(80, clientBase.getWidth());
    assertEquals("baseid", clientBase.getId());
    shapes.json.Rectangle clientDoor = clientHouse.getDoor();
    assertSame(shapes.json.Color.YELLOW, clientDoor.getColor());
    assertSame(shapes.json.LineStyle.solid, clientDoor.getLineStyle());
    assertEquals(35, clientDoor.getHeight());
    assertEquals(20, clientDoor.getWidth());
    assertEquals("doorId", clientDoor.getId());
    shapes.json.Circle clientKnob = clientHouse.getDoorKnob();
    assertSame(shapes.json.Color.RED, clientKnob.getColor());
    assertSame(shapes.json.LineStyle.dashed, clientKnob.getLineStyle());
    assertEquals(2, clientKnob.getRadius());
    assertEquals("knobId", clientKnob.getId());
    List<String> labels = Arrays.asList("bachelor-pad", "single-family-dwelling");
    clientHouse.getLabels().size();
    for (Object l : clientHouse.getLabels()) {
      shapes.json.Label label = (shapes.json.Label) l;
      assertTrue(labels.contains(label.getValue()));
    }
    shapes.json.Triangle clientRoof = clientHouse.getRoof();
    assertSame(shapes.json.Color.YELLOW, clientRoof.getColor());
    assertSame(shapes.json.LineStyle.solid, clientRoof.getLineStyle());
    assertNull(clientRoof.getId());
    assertEquals(84, clientRoof.getBase());
    assertEquals(20, clientRoof.getHeight());
    assertEquals(1, clientHouse.getWindows().size());
    shapes.json.Rectangle clientWindow = (shapes.json.Rectangle) clientHouse.getWindows().get(0);
    assertSame(shapes.json.Color.YELLOW, clientWindow.getColor());
    assertSame(shapes.json.LineStyle.solid, clientWindow.getLineStyle());
    assertEquals(10, clientWindow.getHeight());
    assertEquals(10, clientWindow.getWidth());
    assertNull(clientWindow.getId());
    assertEquals(new Date(3L), clientHouse.getConstructedDate());

    out = new ByteArrayOutputStream();
    clientMapper.writeValue(out, clientHouse);
    house = houseMapper.readValue(new ByteArrayInputStream(out.toByteArray()), House.class);
    base = house.getBase();
    assertSame(Color.BLUE, base.getColor());
    assertSame(LineStyle.solid, base.getLineStyle());
    assertEquals(80, base.getHeight());
    assertEquals(80, base.getWidth());
    assertEquals("baseid", base.getId());
    door = house.getDoor();
    assertSame(Color.YELLOW, door.getColor());
    assertSame(LineStyle.solid, door.getLineStyle());
    assertEquals(35, door.getHeight());
    assertEquals(20, door.getWidth());
    assertEquals("doorId", door.getId());
    knob = house.getDoorKnob();
    assertSame(Color.RED, knob.getColor());
    assertSame(LineStyle.dashed, knob.getLineStyle());
    assertEquals(2, knob.getRadius());
    assertEquals("knobId", knob.getId());
    labels = Arrays.asList("bachelor-pad", "single-family-dwelling");
    house.getLabels().size();
    for (Object l : house.getLabels()) {
      Label label = (Label) l;
      assertTrue(labels.contains(label.getValue()));
    }
    roof = house.getRoof();
    assertSame(Color.YELLOW, roof.getColor());
    assertSame(LineStyle.solid, roof.getLineStyle());
    assertNull(roof.getId());
    assertEquals(84, roof.getBase());
    assertEquals(20, roof.getHeight());
    assertEquals(1, house.getWindows().size());
    window = house.getWindows().get(0);
    assertSame(Color.YELLOW, window.getColor());
    assertSame(LineStyle.solid, window.getLineStyle());
    assertEquals(10, window.getHeight());
    assertEquals(10, window.getWidth());
    assertNull(window.getId());
    assertEquals(new DateTime(3L), house.getConstructedDate());
    assertEquals(XmlQNameEnumUtil.toQName(HouseType.brick), house.getType());
    assertEquals(XmlQNameEnumUtil.toQName(HouseStyle.latin), house.getStyle());
    assertEquals(XmlQNameEnumUtil.toURI(HouseColor.blue), house.getColor());

    // now let's check the nillable and required stuff:

    // roof is required, but nillable.
    clientHouse.setRoof(null);
    out = new ByteArrayOutputStream();
    clientMapper.writeValue(out, clientHouse);
    house = houseMapper.readValue(new ByteArrayInputStream(out.toByteArray()), House.class);
    base = house.getBase();
    assertSame(Color.BLUE, base.getColor());
    assertSame(LineStyle.solid, base.getLineStyle());
    assertEquals(80, base.getHeight());
    assertEquals(80, base.getWidth());
    assertEquals("baseid", base.getId());
    door = house.getDoor();
    assertSame(Color.YELLOW, door.getColor());
    assertSame(LineStyle.solid, door.getLineStyle());
    assertEquals(35, door.getHeight());
    assertEquals(20, door.getWidth());
    assertEquals("doorId", door.getId());
    knob = house.getDoorKnob();
    assertSame(Color.RED, knob.getColor());
    assertSame(LineStyle.dashed, knob.getLineStyle());
    assertEquals(2, knob.getRadius());
    assertEquals("knobId", knob.getId());
    labels = Arrays.asList("bachelor-pad", "single-family-dwelling");
    house.getLabels().size();
    for (Object l : house.getLabels()) {
      Label label = (Label) l;
      assertTrue(labels.contains(label.getValue()));
    }
    roof = house.getRoof();
    assertNull(roof);
    assertEquals(1, house.getWindows().size());
    window = house.getWindows().get(0);
    assertSame(Color.YELLOW, window.getColor());
    assertSame(LineStyle.solid, window.getLineStyle());
    assertEquals(10, window.getHeight());
    assertEquals(10, window.getWidth());
    assertNull(window.getId());

    // windows are nillable...
    clientHouse.setWindows(null);
    out = new ByteArrayOutputStream();
    clientMapper.writeValue(out, clientHouse);
    house = houseMapper.readValue(new ByteArrayInputStream(out.toByteArray()), House.class);
    base = house.getBase();
    assertSame(Color.BLUE, base.getColor());
    assertSame(LineStyle.solid, base.getLineStyle());
    assertEquals(80, base.getHeight());
    assertEquals(80, base.getWidth());
    assertEquals("baseid", base.getId());
    door = house.getDoor();
    assertSame(Color.YELLOW, door.getColor());
    assertSame(LineStyle.solid, door.getLineStyle());
    assertEquals(35, door.getHeight());
    assertEquals(20, door.getWidth());
    assertEquals("doorId", door.getId());
    knob = house.getDoorKnob();
    assertSame(Color.RED, knob.getColor());
    assertSame(LineStyle.dashed, knob.getLineStyle());
    assertEquals(2, knob.getRadius());
    assertEquals("knobId", knob.getId());
    labels = Arrays.asList("bachelor-pad", "single-family-dwelling");
    house.getLabels().size();
    for (Object l : house.getLabels()) {
      Label label = (Label) l;
      assertTrue(labels.contains(label.getValue()));
    }
    roof = house.getRoof();
    assertNull(roof);
    assertNull(house.getWindows());
  }
  /** tests bus. This one has an element wrapper. */
  public void testBus() throws Exception {
    Bus bus = new Bus();
    bus.setId("some bus");
    Label cityBus = new Label();
    cityBus.setValue("city");
    Label countryBus = new Label();
    countryBus.setValue("country");
    Label longDistanceBus = new Label();
    longDistanceBus.setValue("long-distance");

    bus.setId("bus id");
    bus.setLabels(Arrays.asList(cityBus, countryBus, longDistanceBus));
    Rectangle door = new Rectangle();
    door.setColor(Color.BLUE);
    door.setWidth(2);
    door.setHeight(4);
    door.setLineStyle(LineStyle.solid);
    bus.setDoor(door);
    Rectangle frame = new Rectangle();
    frame.setHeight(10);
    frame.setWidth(50);
    frame.setColor(Color.YELLOW);
    frame.setLineStyle(LineStyle.solid);
    bus.setFrame(frame);
    Circle front = new Circle();
    front.setColor(Color.BLUE);
    front.setLineStyle(LineStyle.dotted);
    front.setRadius(6);
    Circle back = new Circle();
    back.setColor(Color.BLUE);
    back.setLineStyle(LineStyle.dotted);
    back.setRadius(7);
    bus.setWheels(new Circle[] {front, back});
    Rectangle window1 = new Rectangle();
    window1.setColor(Color.BLUE);
    window1.setWidth(2);
    window1.setHeight(2);
    window1.setLineStyle(LineStyle.solid);
    Rectangle window2 = new Rectangle();
    window2.setColor(Color.BLUE);
    window2.setWidth(2);
    window2.setHeight(2);
    window2.setLineStyle(LineStyle.solid);
    Rectangle window3 = new Rectangle();
    window3.setColor(Color.BLUE);
    window3.setWidth(2);
    window3.setHeight(2);
    window3.setLineStyle(LineStyle.solid);
    bus.setWindows(Arrays.asList(window1, window2, window3));
    Map<Integer, Circle> riders = new HashMap<Integer, Circle>();
    Circle rider3 = new Circle();
    rider3.setRadius(3);
    riders.put(3, rider3);
    Circle rider4 = new Circle();
    rider4.setRadius(4);
    riders.put(4, rider4);
    bus.setType(XmlQNameEnumUtil.toQName(BusType.charter));

    JacksonJaxbJsonProvider provider = new JacksonJaxbJsonProvider();
    ObjectMapper busMapper = provider.locateMapper(Bus.class, MediaType.APPLICATION_JSON_TYPE);
    ObjectMapper clientMapper = new ObjectMapper();

    ByteArrayOutputStream out = new ByteArrayOutputStream();
    busMapper.writeValue(out, bus);
    ByteArrayInputStream in = new ByteArrayInputStream(out.toByteArray());
    shapes.json.vehicles.Bus clientBus = clientMapper.readValue(in, shapes.json.vehicles.Bus.class);
    assertEquals("bus id", clientBus.getId());
    ArrayList<String> labels =
        new ArrayList<String>(Arrays.asList("city", "country", "long-distance"));
    for (Object l : clientBus.getLabels()) {
      shapes.json.Label label = (shapes.json.Label) l;
      assertTrue(labels.remove(label.getValue()));
    }
    shapes.json.Rectangle clientDoor = clientBus.getDoor();
    assertSame(shapes.json.Color.BLUE, clientDoor.getColor());
    assertEquals(2, clientDoor.getWidth());
    assertEquals(4, clientDoor.getHeight());
    assertSame(shapes.json.LineStyle.solid, clientDoor.getLineStyle());
    shapes.json.Rectangle clientFrame = clientBus.getFrame();
    assertEquals(10, clientFrame.getHeight());
    assertEquals(50, clientFrame.getWidth());
    assertSame(shapes.json.Color.YELLOW, clientFrame.getColor());
    assertSame(shapes.json.LineStyle.solid, clientFrame.getLineStyle());
    shapes.json.Circle[] clientWheels = clientBus.getWheels();
    assertEquals(2, clientWheels.length);
    assertEquals(6, clientWheels[0].getRadius());
    assertSame(shapes.json.Color.BLUE, clientWheels[0].getColor());
    assertSame(shapes.json.LineStyle.dotted, clientWheels[0].getLineStyle());
    assertEquals(7, clientWheels[1].getRadius());
    assertSame(shapes.json.Color.BLUE, clientWheels[1].getColor());
    assertSame(shapes.json.LineStyle.dotted, clientWheels[1].getLineStyle());
    shapes.json.Rectangle[] clientWindows =
        (shapes.json.Rectangle[]) clientBus.getWindows().toArray(new shapes.json.Rectangle[3]);
    assertEquals(2, clientWindows[0].getWidth());
    assertEquals(2, clientWindows[0].getHeight());
    assertEquals(shapes.json.Color.BLUE, clientWindows[0].getColor());
    assertEquals(shapes.json.LineStyle.solid, clientWindows[0].getLineStyle());
    assertEquals(2, clientWindows[1].getWidth());
    assertEquals(2, clientWindows[1].getHeight());
    assertEquals(shapes.json.Color.BLUE, clientWindows[1].getColor());
    assertEquals(shapes.json.LineStyle.solid, clientWindows[1].getLineStyle());
    assertEquals(2, clientWindows[2].getWidth());
    assertEquals(2, clientWindows[2].getHeight());
    assertEquals(shapes.json.Color.BLUE, clientWindows[2].getColor());
    assertEquals(shapes.json.LineStyle.solid, clientWindows[2].getLineStyle());

    out = new ByteArrayOutputStream();
    clientMapper.writeValue(out, clientBus);
    bus = busMapper.readValue(new ByteArrayInputStream(out.toByteArray()), Bus.class);
    door = bus.getDoor();
    assertSame(Color.BLUE, door.getColor());
    assertEquals(2, door.getWidth());
    assertEquals(4, door.getHeight());
    assertSame(LineStyle.solid, door.getLineStyle());
    frame = bus.getFrame();
    assertEquals(10, frame.getHeight());
    assertEquals(50, frame.getWidth());
    assertSame(Color.YELLOW, frame.getColor());
    assertSame(LineStyle.solid, frame.getLineStyle());
    Circle[] wheels = bus.getWheels();
    assertEquals(2, wheels.length);
    assertEquals(6, wheels[0].getRadius());
    assertSame(Color.BLUE, wheels[0].getColor());
    assertSame(LineStyle.dotted, wheels[0].getLineStyle());
    assertEquals(7, wheels[1].getRadius());
    assertSame(Color.BLUE, wheels[1].getColor());
    assertSame(LineStyle.dotted, wheels[1].getLineStyle());
    Rectangle[] windows = bus.getWindows().toArray(new Rectangle[3]);
    assertEquals(2, windows[0].getWidth());
    assertEquals(2, windows[0].getHeight());
    assertEquals(Color.BLUE, windows[0].getColor());
    assertEquals(LineStyle.solid, windows[0].getLineStyle());
    assertEquals(2, windows[1].getWidth());
    assertEquals(2, windows[1].getHeight());
    assertEquals(Color.BLUE, windows[1].getColor());
    assertEquals(LineStyle.solid, windows[1].getLineStyle());
    assertEquals(2, windows[2].getWidth());
    assertEquals(2, windows[2].getHeight());
    assertEquals(Color.BLUE, windows[2].getColor());
    assertEquals(LineStyle.solid, windows[2].getLineStyle());
    assertEquals(BusType.charter, XmlQNameEnumUtil.fromQName(bus.getType(), BusType.class));

    // todo: test an element wrapper around elementRefs
  }