@Test
public void testOverlapDomain() {
BDDFactory factory = BDDFactory.init("cudd", 10000, 10000);
BDDDomain[] doms = factory.extDomain(new long[] {8, 8});
Assert.assertEquals(8, doms[0].size().longValue());
Assert.assertEquals(8, doms[1].size().longValue());
BDD bdd = doms[0].ithVar(5);
Assert.assertEquals(5, bdd.scanVar(doms[0]).intValue());
doms[0] = factory.overlapDomain(doms[0], doms[1]);
Assert.assertEquals(64, doms[0].size().longValue());
// Corrupted
Assert.assertEquals(5, bdd.scanVar(doms[0]).intValue());
}
static Set<Integer> setOf(BDD bdd, BDDDomain dom) {
if (bdd == null) return null;
Set<Integer> set = new HashSet<Integer>();
if (bdd.isZero()) return set;
BDDIterator itr = bdd.iterator(dom.set());
while (itr.hasNext()) {
BDD a = itr.nextBDD();
set.add(a.scanVar(dom).intValue());
a.free();
}
return set;
}
/** Bug in JavaBDD. The method varRange does not work correctly. */
@Test
public void testVarRange() {
BDDFactory factory = BDDFactory.init("cudd", 10000, 10000);
BDDDomain[] doms = factory.extDomain(new long[] {8});
BDD bdd = doms[0].varRange(2, 5);
System.out.println(bdd.toStringWithDomains());
HashSet<Integer> set = new HashSet<Integer>(Arrays.asList(2, 3, 4, 5));
BDDIterator itr = bdd.iterator(doms[0].var);
while (itr.hasNext()) {
BDD tmp = itr.nextBDD();
Assert.assertTrue(set.contains(tmp.scanVar(doms[0]).longValue()));
}
bdd.free();
factory.done();
}