TriggerDelta extends Trigger { @Override public Optional<Integer> icon() { return Optional.of(R.drawable.icon_auto_delta); } TriggerDelta(); private  TriggerDelta(TriggerDelta triggerDelta); double getValue(); DeltaType getType(); String getUnits(); Comparator getComparator(); @Override synchronized boolean shouldRun(); @Override synchronized String toJSON(); @Override int friendlyName(); @Override String friendlyDescription(); @Override Optional<Integer> icon(); @Override Trigger duplicate(); @Override void generateDialog(LinearLayout root, FragmentManager fragmentManager);  }
@Test public void iconTest() { Assert.assertEquals(Optional.of(R.drawable.icon_auto_delta), new TriggerDelta().icon()); }