@Test
public void getBondPartitionTest() {

    String acpString = "C0C1C2C3O4 0:1(2),0:4(1),1:2(1),2:3(2),3:4(1)";
    IAtomContainer ac = AtomContainerPrinter.fromString(acpString, builder);
    BondRefinable refinable = new BondRefinable(ac);
    Partition bondPartition = refinable.getInitialPartition();
    Partition expected = Partition.fromString("0,3|1,4|2");
    assertEquals(expected, bondPartition);
}