@Test
public void testBondMutation() {
Fragment frag = new Fragment(mock(Element.class));
Atom a1 = new Atom(1, ChemEl.C, frag);
Atom a2 = new Atom(2, ChemEl.C, frag);
Atom a3 = new Atom(3, ChemEl.C, frag);
Atom a4 = new Atom(4, ChemEl.C, frag);
frag.addAtom(a1);
frag.addAtom(a2);
frag.addAtom(a3);
frag.addAtom(a4);
Bond bond = new Bond(a2, a3, 1);
bond.setOrder(2);
assertEquals("Order = 2", 2, bond.getOrder());
BondStereo bondStereo = new BondStereo(new Atom[] {a1, a2, a3, a4}, BondStereoValue.TRANS);
bond.setBondStereo(bondStereo);
assertEquals(bondStereo, bond.getBondStereo());
bond.setSmilesStereochemistry(SMILES_BOND_DIRECTION.LSLASH);
assertEquals(SMILES_BOND_DIRECTION.LSLASH, bond.getSmilesStereochemistry());
}
