@Test
public void testMove() throws Exception {

	RectangleArea rectangle = new RectangleArea(10.5d, 20.5d, 30.5d, 40.5d);
	RectangleArea result = rectangle.move(0.5d, 0d);
	assertThat(result, is(new RectangleArea(11d, 20.5d, 30.5d, 40.5d)));
}