@Test
public void testGetOverLaps() throws CDKException {

    IAtom atomSource = new Atom("R");
    IAtom atomTarget = new Atom("R");
    IAtomContainer source = new AtomContainer();
    source.addAtom(atomSource);
    IAtomContainer target = new AtomContainer();
    target.addAtom(atomTarget);
    boolean removeHydrogen = false;
    SingleMapping instance = new SingleMapping();
    assertNotNull(instance.getOverLaps(source, target, removeHydrogen));
}