Ejemplo n.º 1
0
  @Test
  public void flipTestBigA() {
    final int numCases = 1000;
    final BitSet bs = new BitSet();
    final Random r = new Random(3333);
    int checkTime = 2;
    MutableRoaringBitmap rb1 = new MutableRoaringBitmap(), rb2 = null; // alternate
    // between
    // them

    for (int i = 0; i < numCases; ++i) {
      final int start = r.nextInt(65536 * 20);
      int end = r.nextInt(65536 * 20);
      if (r.nextDouble() < 0.1) end = start + r.nextInt(100);

      if ((i & 1) == 0) {
        rb2 = MutableRoaringBitmap.flip(rb1, start, end);
        // tweak the other, catch bad sharing
        rb1.flip(r.nextInt(65536 * 20), r.nextInt(65536 * 20));
      } else {
        rb1 = MutableRoaringBitmap.flip(rb2, start, end);
        rb2.flip(r.nextInt(65536 * 20), r.nextInt(65536 * 20));
      }

      if (start < end) bs.flip(start, end); // throws exception
      // otherwise
      // insert some more ANDs to keep things sparser
      if (r.nextDouble() < 0.2 && (i & 1) == 0) {
        final MutableRoaringBitmap mask = new MutableRoaringBitmap();
        final BitSet mask1 = new BitSet();
        final int startM = r.nextInt(65536 * 20);
        final int endM = startM + 100000;
        mask.flip(startM, endM);
        mask1.flip(startM, endM);
        mask.flip(0, 65536 * 20 + 100000);
        mask1.flip(0, 65536 * 20 + 100000);
        rb2.and(mask);
        bs.and(mask1);
      }

      if (i > checkTime) {
        System.out.println("check after " + i + ", card = " + rb2.getCardinality());
        final MutableRoaringBitmap rb = (i & 1) == 0 ? rb2 : rb1;
        final boolean status = equals(bs, rb);
        Assert.assertTrue(status);
        checkTime *= 1.5;
      }
    }
  }
Ejemplo n.º 2
0
  @Test
  public void flipTestBig() {
    final int numCases = 1000;
    System.out.println("flipTestBig for " + numCases + " tests");
    final MutableRoaringBitmap rb = new MutableRoaringBitmap();
    final BitSet bs = new BitSet();
    final Random r = new Random(3333);
    int checkTime = 2;

    for (int i = 0; i < numCases; ++i) {
      final int start = r.nextInt(65536 * 20);
      int end = r.nextInt(65536 * 20);
      if (r.nextDouble() < 0.1) end = start + r.nextInt(100);
      rb.flip(start, end);
      if (start < end) bs.flip(start, end); // throws exception
      // otherwise
      // insert some more ANDs to keep things sparser
      if (r.nextDouble() < 0.2) {
        final MutableRoaringBitmap mask = new MutableRoaringBitmap();
        final BitSet mask1 = new BitSet();
        final int startM = r.nextInt(65536 * 20);
        final int endM = startM + 100000;
        mask.flip(startM, endM);
        mask1.flip(startM, endM);
        mask.flip(0, 65536 * 20 + 100000);
        mask1.flip(0, 65536 * 20 + 100000);
        rb.and(mask);
        bs.and(mask1);
      }
      // see if we can detect incorrectly shared containers
      if (r.nextDouble() < 0.1) {
        final MutableRoaringBitmap irrelevant = MutableRoaringBitmap.flip(rb, 10, 100000);
        irrelevant.flip(5, 200000);
        irrelevant.flip(190000, 260000);
      }
      if (i > checkTime) {
        Assert.assertTrue(equals(bs, rb));
        checkTime *= 1.5;
      }
    }
  }
Ejemplo n.º 3
0
  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");
        }
      }
    }
  }