@Test
public void testUprightAttribute() throws Exception {
assertFalse(l.isUpright());
l.setUpright(true);
assertTrue(l.isUpright());
assertEquals("upright", l.getAttribute("upright"));
l.removeAttribute("upright");
assertFalse(l.isUpright());
l.setAttribute("upright", "Doesn't matter");
assertTrue(l.isUpright());
assertEquals("upright", l.getAttribute("upright"));
l.setUpright(false);
assertFalse(l.isUpright());
assertEquals("", l.getAttribute("upright"));
}
