@Test
public void testaddToFieldBufferNothing()
throws IllegalArgumentException, IllegalAccessException, NoSuchFieldException,
SecurityException {
String toAdd = "";
UMLArrows arrows = UMLArrows.getInstance();
Field fieldBuffer = UMLArrows.class.getDeclaredField("fieldBuffer");
fieldBuffer.setAccessible(true);
StringBuffer currentBuffer = (StringBuffer) fieldBuffer.get(arrows);
String newBuffer = (currentBuffer.toString() + toAdd);
arrows.addToFieldBuffer(toAdd);
assertEquals(newBuffer, fieldBuffer.get(arrows).toString());
}
