@Test
public void testChloroform() {

    IChemObjectBuilder builder = SilentChemObjectBuilder.getInstance();
    IAtomContainer chloroform = builder.newInstance(IAtomContainer.class);
    chloroform.addAtom(builder.newInstance(IAtom.class, "C"));
    for (int i = 0; i < 3; i++) {
        chloroform.addAtom(builder.newInstance(IAtom.class, "Cl"));
        chloroform.addBond(0, (i + 1), IBond.Order.SINGLE);
    }
    IDescriptorResult result = descriptor.calculate(chloroform).getValue();
    Assert.assertTrue(result instanceof DoubleResult);
    Assert.assertEquals(1.24, ((DoubleResult) result).doubleValue(), 0.01);
}