@Test
public void nonNullAtomicNumbers() throws CDKException {

    InChIToStructure parser = new InChIToStructure("InChI=1S/CH4/h1H4", DefaultChemObjectBuilder.getInstance());
    IAtomContainer container = parser.getAtomContainer();
    for (IAtom atom : container.atoms()) {
        assertNotNull(atom.getAtomicNumber());
    }
    assertNotNull(container);
    Assert.assertEquals(1, container.getAtomCount());
}