@Test
public void test1_fluorobutadienene() throws Exception {

    IAtomContainer mol = (new SmilesParser(builder)).parseSmiles("FC=CC=C");
    AtomContainerManipulator.percieveAtomTypesAndConfigureAtoms(mol);
    addImplicitHydrogens(mol);
    lpcheck.saturate(mol);
    Aromaticity.cdkLegacy().apply(mol);
    IAtomContainerSet acSet = ConjugatedPiSystemsDetector.detect(mol);
    Assert.assertEquals(1, acSet.getAtomContainerCount());
    IAtomContainer ac1 = acSet.getAtomContainer(0);
    Assert.assertEquals(5, ac1.getAtomCount());
    Assert.assertEquals(4, ac1.getBondCount());
}