public void TestGetAtomCount_IRingSet()
{
IRingSet rs = builder.NewRingSet();
IRing ac1 = builder.NewRing();
ac1.Atoms.Add(builder.NewAtom("O"));
rs.Add(ac1);
IRing ac2 = builder.NewRing();
ac2.Atoms.Add(builder.NewAtom("C"));
ac2.Atoms.Add(builder.NewAtom("C"));
ac2.AddBond(ac2.Atoms[0], ac2.Atoms[1], BondOrder.Double);
rs.Add(ac2);
Assert.AreEqual(3, RingSetManipulator.GetAtomCount(rs));
Assert.AreEqual(1, RingSetManipulator.GetBondCount(rs));
}