StaticMarkerBinder implements MarkerFactoryBinder { @Override public IMarkerFactory getMarkerFactory() { return factory; } private  StaticMarkerBinder(); @Override IMarkerFactory getMarkerFactory(); @Override String getMarkerFactoryClassStr(); static final StaticMarkerBinder SINGLETON; }
@Test public void instance() { assertThat(StaticMarkerBinder.SINGLETON.getMarkerFactory()).isInstanceOf(BasicMarkerFactory.class); }