@Test
public void ANDNOTtest() {
final MutableRoaringBitmap rr = new MutableRoaringBitmap();
for (int k = 4000; k < 4256; ++k) rr.add(k);
for (int k = 65536; k < 65536 + 4000; ++k) rr.add(k);
for (int k = 3 * 65536; k < 3 * 65536 + 9000; ++k) rr.add(k);
for (int k = 4 * 65535; k < 4 * 65535 + 7000; ++k) rr.add(k);
for (int k = 6 * 65535; k < 6 * 65535 + 10000; ++k) rr.add(k);
for (int k = 8 * 65535; k < 8 * 65535 + 1000; ++k) rr.add(k);
for (int k = 9 * 65535; k < 9 * 65535 + 30000; ++k) rr.add(k);
final MutableRoaringBitmap rr2 = new MutableRoaringBitmap();
for (int k = 4000; k < 4256; ++k) {
rr2.add(k);
}
for (int k = 65536; k < 65536 + 4000; ++k) {
rr2.add(k);
}
for (int k = 3 * 65536 + 2000; k < 3 * 65536 + 6000; ++k) {
rr2.add(k);
}
for (int k = 6 * 65535; k < 6 * 65535 + 1000; ++k) {
rr2.add(k);
}
for (int k = 7 * 65535; k < 7 * 65535 + 1000; ++k) {
rr2.add(k);
}
for (int k = 10 * 65535; k < 10 * 65535 + 5000; ++k) {
rr2.add(k);
}
final MutableRoaringBitmap correct = MutableRoaringBitmap.andNot(rr, rr2);
rr.andNot(rr2);
Assert.assertTrue(correct.equals(rr));
}
@Test
public void andnottest4() {
final MutableRoaringBitmap rb = new MutableRoaringBitmap();
final MutableRoaringBitmap rb2 = new MutableRoaringBitmap();
for (int i = 0; i < 200000; i += 4) rb2.add(i);
for (int i = 200000; i < 400000; i += 14) rb2.add(i);
rb2.getCardinality();
// check or against an empty bitmap
final MutableRoaringBitmap andNotresult = MutableRoaringBitmap.andNot(rb, rb2);
final MutableRoaringBitmap off = MutableRoaringBitmap.andNot(rb2, rb);
Assert.assertEquals(rb, andNotresult);
Assert.assertEquals(rb2, off);
rb2.andNot(rb);
Assert.assertEquals(rb2, off);
}
public void rTest(final int N) {
System.out.println("rtest N=" + N);
for (int gap = 1; gap <= 65536; gap *= 2) {
final BitSet bs1 = new BitSet();
final MutableRoaringBitmap rb1 = new MutableRoaringBitmap();
for (int x = 0; x <= N; x += gap) {
bs1.set(x);
rb1.add(x);
}
if (bs1.cardinality() != rb1.getCardinality()) throw new RuntimeException("different card");
if (!equals(bs1, rb1)) throw new RuntimeException("basic bug");
for (int offset = 1; offset <= gap; offset *= 2) {
final BitSet bs2 = new BitSet();
final MutableRoaringBitmap rb2 = new MutableRoaringBitmap();
for (int x = 0; x <= N; x += gap) {
bs2.set(x + offset);
rb2.add(x + offset);
}
if (bs2.cardinality() != rb2.getCardinality()) throw new RuntimeException("different card");
if (!equals(bs2, rb2)) throw new RuntimeException("basic bug");
BitSet clonebs1;
// testing AND
clonebs1 = (BitSet) bs1.clone();
clonebs1.and(bs2);
if (!equals(clonebs1, MutableRoaringBitmap.and(rb1, rb2)))
throw new RuntimeException("bug and");
{
final MutableRoaringBitmap t = rb1.clone();
t.and(rb2);
if (!equals(clonebs1, t)) throw new RuntimeException("bug inplace and");
if (!t.equals(MutableRoaringBitmap.and(rb1, rb2))) {
System.out.println(
t.highLowContainer.getContainerAtIndex(0).getClass().getCanonicalName());
System.out.println(
MutableRoaringBitmap.and(rb1, rb2)
.highLowContainer
.getContainerAtIndex(0)
.getClass()
.getCanonicalName());
throw new RuntimeException("bug inplace and");
}
}
// testing OR
clonebs1 = (BitSet) bs1.clone();
clonebs1.or(bs2);
if (!equals(clonebs1, MutableRoaringBitmap.or(rb1, rb2)))
throw new RuntimeException("bug or");
{
final MutableRoaringBitmap t = rb1.clone();
t.or(rb2);
if (!equals(clonebs1, t)) throw new RuntimeException("bug or");
if (!t.equals(MutableRoaringBitmap.or(rb1, rb2))) throw new RuntimeException("bug or");
if (!t.toString().equals(MutableRoaringBitmap.or(rb1, rb2).toString()))
throw new RuntimeException("bug or");
}
// testing XOR
clonebs1 = (BitSet) bs1.clone();
clonebs1.xor(bs2);
if (!equals(clonebs1, MutableRoaringBitmap.xor(rb1, rb2))) {
throw new RuntimeException("bug xor");
}
{
final MutableRoaringBitmap t = rb1.clone();
t.xor(rb2);
if (!equals(clonebs1, t)) throw new RuntimeException("bug xor");
if (!t.equals(MutableRoaringBitmap.xor(rb1, rb2))) {
System.out.println(t);
System.out.println(MutableRoaringBitmap.xor(rb1, rb2));
System.out.println(
Arrays.equals(t.toArray(), MutableRoaringBitmap.xor(rb1, rb2).toArray()));
throw new RuntimeException("bug xor");
}
}
// testing NOTAND
clonebs1 = (BitSet) bs1.clone();
clonebs1.andNot(bs2);
if (!equals(clonebs1, MutableRoaringBitmap.andNot(rb1, rb2))) {
throw new RuntimeException("bug andnot");
}
clonebs1 = (BitSet) bs2.clone();
clonebs1.andNot(bs1);
if (!equals(clonebs1, MutableRoaringBitmap.andNot(rb2, rb1))) {
throw new RuntimeException("bug andnot");
}
{
final MutableRoaringBitmap t = rb2.clone();
t.andNot(rb1);
if (!equals(clonebs1, t)) {
throw new RuntimeException("bug inplace andnot");
}
final MutableRoaringBitmap g = MutableRoaringBitmap.andNot(rb2, rb1);
if (!equals(clonebs1, g)) {
throw new RuntimeException("bug andnot");
}
if (!t.equals(g)) throw new RuntimeException("bug");
}
clonebs1 = (BitSet) bs1.clone();
clonebs1.andNot(bs2);
if (!equals(clonebs1, MutableRoaringBitmap.andNot(rb1, rb2))) {
throw new RuntimeException("bug andnot");
}
{
final MutableRoaringBitmap t = rb1.clone();
t.andNot(rb2);
if (!equals(clonebs1, t)) {
throw new RuntimeException("bug andnot");
}
final MutableRoaringBitmap g = MutableRoaringBitmap.andNot(rb1, rb2);
if (!equals(clonebs1, g)) {
throw new RuntimeException("bug andnot");
}
if (!t.equals(g)) throw new RuntimeException("bug");
}
}
}
}