IntVar v = VariableFactory.scale(o, 2);
DisposableValueIterator vit = v.getValueIterator(true);
while (vit.hasNext()) {
Assert.assertTrue(o.contains(vit.next() / 2));
}
vit.dispose();
vit = v.getValueIterator(false);
while (vit.hasPrevious()) {
Assert.assertTrue(o.contains(vit.previous() / 2));
}
vit.dispose();