@Test
  public void bulkContains() {
    int n = 1000;
    double p = 0.01;

    String name = "loadExistingTest";
    String testString = "simpletest";

    cleanupRedis();
    BloomFilter<String> first = createFilter(name, n, p, true);

    first.add(testString);

    List<String> samples = new ArrayList<>();
    samples.add("one");
    samples.add("two");
    samples.add("three");
    samples.add("four");

    first.addAll(samples);

    samples.add("five");
    samples.add("six");
    samples.add(testString);

    List<Boolean> exists = first.contains(samples);

    assertTrue(exists.get(0)); // "one"
    assertTrue(exists.get(1)); // "two"
    assertTrue(exists.get(2)); // "three"
    assertTrue(exists.get(3)); // "four"
    assertTrue(!exists.get(4)); // "five"
    assertTrue(!exists.get(5)); // "six"
    assertTrue(exists.get(6)); // "simpleTest"
    ArrayList<String> testPositive = new ArrayList<>();
    testPositive.add("one");
    testPositive.add("two");
    testPositive.add("three");
    testPositive.add("four");
    ArrayList<String> testNegative = new ArrayList<>();
    testNegative.add("five");
    testNegative.add("six");
    assertTrue(first.containsAll(testPositive));
    assertFalse(first.containsAll(testNegative));
  }