@Test
public void tetrahedral_match() {

    IAtomContainer query = dimethylpropane();
    IAtomContainer target = dimethylpropane();
    query.addStereoElement(new TetrahedralChirality(query.getAtom(0), new IAtom[]{query.getAtom(1),
            query.getAtom(2), query.getAtom(3), query.getAtom(4)}, ITetrahedralChirality.Stereo.CLOCKWISE));
    target.addStereoElement(new TetrahedralChirality(target.getAtom(0), new IAtom[]{target.getAtom(1),
            target.getAtom(2), target.getAtom(3), target.getAtom(4)}, ITetrahedralChirality.Stereo.CLOCKWISE));
    assertTrue(new StereoMatch(query, target).apply(new int[]{0, 1, 2, 3, 4}));
}