public void testMergeWithReorderAloneDoesNotCancelReorder() throws Exception {
delta.addChange(Reorder.create(ssa, 0, 1));
remove.setChild(ssa);
remove.mergeInto(delta, NOW);
assertEquals("Remove should not have canceled anything", 2, delta.getChanges().size());
}
public void testMergeWithAddFollowedByReorderCancelsBoth() throws Exception {
delta.addChange(Add.create(ssc, 2));
Reorder.create(ssc, 2, 1).mergeInto(delta, NOW);
remove.setChild(ssc);
remove.mergeInto(delta, NOW);
assertEquals("Remove should have canceled add and reorder", 0, delta.getChanges().size());
}