@Test
@Override
public void testInitiate_IAtomContainerSet_IAtomContainerSet() throws Exception {

    IReactionProcess type = new PiBondingMovementReaction();
    // C1=C(C)-C(C)=C-C=C1
    IAtomContainer molecule = builder.newInstance(IAtomContainer.class);
    molecule.addAtom(builder.newInstance(IAtom.class, "C"));
    molecule.addAtom(builder.newInstance(IAtom.class, "C"));
    molecule.addBond(0, 1, IBond.Order.DOUBLE);
    molecule.addAtom(builder.newInstance(IAtom.class, "C"));
    molecule.addBond(1, 2, IBond.Order.SINGLE);
    molecule.addAtom(builder.newInstance(IAtom.class, "C"));
    molecule.addBond(2, 3, IBond.Order.DOUBLE);
    molecule.addAtom(builder.newInstance(IAtom.class, "C"));
    molecule.addBond(3, 4, IBond.Order.SINGLE);
    molecule.addAtom(builder.newInstance(IAtom.class, "C"));
    molecule.addBond(4, 5, IBond.Order.DOUBLE);
    molecule.addBond(5, 0, IBond.Order.SINGLE);
    addExplicitHydrogens(molecule);
    AtomContainerManipulator.percieveAtomTypesAndConfigureAtoms(molecule);
    makeSureAtomTypesAreRecognized(molecule);
    IAtomContainerSet setOfReactants = DefaultChemObjectBuilder.getInstance().newInstance(IAtomContainerSet.class);
    setOfReactants.addAtomContainer(molecule);
    /* initiate */
    List<IParameterReact> paramList = new ArrayList<>();
    IParameterReact param = new SetReactionCenter();
    param.setParameter(Boolean.FALSE);
    paramList.add(param);
    type.setParameterList(paramList);
    IReactionSet setOfReactions = type.initiate(setOfReactants, null);
    Assert.assertEquals(1, setOfReactions.getReactionCount());
    Assert.assertEquals(1, setOfReactions.getReaction(0).getProductCount());
    IAtomContainer product2 = setOfReactions.getReaction(0).getProducts().getAtomContainer(0);
    IQueryAtomContainer queryAtom = QueryAtomContainerCreator.createSymbolAndChargeQueryContainer(product2);
    Assert.assertTrue(new UniversalIsomorphismTester().isIsomorph(molecule, queryAtom));
}