@Test
public void testVdWRadiusDescriptor() throws ClassNotFoundException, CDKException, java.lang.Exception {

    double[] testResult = {1.7};
    IAtomicDescriptor descriptor = new VdWRadiusDescriptor();
    SmilesParser sp = new SmilesParser(DefaultChemObjectBuilder.getInstance());
    IAtomContainer mol = sp.parseSmiles("NCCN(C)(C)");
    double retval = ((DoubleResult) descriptor.calculate(mol.getAtom(1), mol).getValue()).doubleValue();
    Assert.assertEquals(testResult[0], retval, 0.01);
}