@Test(expected = IllegalArgumentException.class)
public void testCalculateBounds_IChemModel() {

    IAtomContainer container = new AtomContainer();
    container.addAtom(container.getBuilder().newInstance(IAtom.class, "C"));
    container.addAtom(container.getBuilder().newInstance(IAtom.class, "C"));
    IAtomContainerSet set = container.getBuilder().newInstance(IAtomContainerSet.class);
    set.addAtomContainer(container);
    IChemModel model = container.getBuilder().newInstance(IChemModel.class);
    model.setMoleculeSet(set);
    BoundsCalculator.calculateBounds(model);
}