}
public void testSequence() {
OpenJPAEntityManager pm = getPM();
startTx(pm);
Generator seq = pm.getIdGenerator(AImplB.class);
assertNotNull(seq);
Number val = (Number) seq.next();
assertNotNull(val);
AImplB aib = new AImplB("x", val.intValue(), "y");
pm.persist(aib);
for (int i = 0; i < 100; i++)