DebugRingSet extends RingSet implements IRingSet { public DebugRingSet() { super(); } DebugRingSet(); @Override IRingSet getRings(IBond bond); @Override IRingSet getRings(IAtom atom); @Override IRingSet getConnectedRings(IRing ring); @Override void add(IRingSet ringSet); @Override boolean contains(IAtom atom);  }
@Test public void testDebugRingSet() { IRingSet rs = new DebugRingSet(); Assert.assertNotNull(rs); }