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;
}