@Test
public void testSerialization4() throws IOException, ClassNotFoundException {
final MutableRoaringBitmap rr = new MutableRoaringBitmap();
for (int k = 1; k <= 10000000; k += 10) rr.add(k);
final ByteArrayOutputStream bos = new ByteArrayOutputStream();
// Note: you could use a file output steam instead of
// ByteArrayOutputStream
int howmuch = rr.serializedSizeInBytes();
final DataOutputStream oo = new DataOutputStream(bos);
rr.serialize(oo);
oo.close();
Assert.assertEquals(howmuch, bos.toByteArray().length);
final MutableRoaringBitmap rrback = new MutableRoaringBitmap();
final ByteArrayInputStream bis = new ByteArrayInputStream(bos.toByteArray());
rrback.deserialize(new DataInputStream(bis));
Assert.assertEquals(rr.getCardinality(), rrback.getCardinality());
Assert.assertTrue(rr.equals(rrback));
}
@Test
public void testContains() throws IOException {
System.out.println("test contains");
MutableRoaringBitmap rbm1 = new MutableRoaringBitmap();
for (int k = 0; k < 1000; ++k) {
rbm1.add(17 * k);
}
for (int k = 0; k < 17 * 1000; ++k) {
Assert.assertTrue(rbm1.contains(k) == (k / 17 * 17 == k));
}
ByteArrayOutputStream bos = new ByteArrayOutputStream();
DataOutputStream dos = new DataOutputStream(bos);
rbm1.serialize(dos);
dos.close();
ByteBuffer bb = ByteBuffer.allocateDirect(bos.size());
bb.put(bos.toByteArray());
bb.flip();
ImmutableRoaringBitmap rrback1 = new ImmutableRoaringBitmap(bb);
for (int k = 0; k < 17 * 1000; ++k) {
Assert.assertTrue(rrback1.contains(k) == (k / 17 * 17 == k));
}
}
