acE.addAtom(a3E);
acE.addAtom(a4E);
acE.addBond(new Bond(a1E, a2E, CDKConstants.BONDORDER_DOUBLE));
acE.addBond(new Bond(a1E, a3E, CDKConstants.BONDORDER_SINGLE));
acE.addBond(new Bond(a2E, a4E, CDKConstants.BONDORDER_SINGLE));
Assert.assertEquals(gen.generateInchi(acE).getInChI(), "InChI=1S/C2H2Cl2/c3-1-2-4/h1-2H/b2-1+");
// (Z)-1,2-dichloroethene
IAtomContainer acZ = new AtomContainer();