assertTrue("Heap is not intact initially", mmHeap.isIntact());
    Iterator<Integer> it = mmHeap.iterator();
    assertEquals((Integer) 1, it.next());
    assertEquals((Integer) 20, it.next());
    assertEquals((Integer) 1000, it.next());
    assertEquals((Integer) 2, it.next());
    it.remove();
    // After this remove, 400 has moved up and 20 down past cursor

  public void testAdd_firstFewWithSuccess() {
    final int COUNT = 400;

    when(backingMap.get(KEY)).thenReturn(null);
    when(backingMap.putIfAbsent(eq(KEY), isA(AtomicInteger.class))).thenReturn(null);

    assertEquals(0, multiset.add(KEY, COUNT));
  }

  public void testAdd_laterFewWithSuccess() {
    int INITIAL_COUNT = 32;
    int COUNT_TO_ADD = 400;

    AtomicInteger initial = new AtomicInteger(INITIAL_COUNT);

        .withValueStrengths(ImmutableSet.copyOf(Strength.values()))
        .withConcurrencyLevels(ImmutableSet.of(1, 4, 16, 64))
        .withMaximumSizes(ImmutableSet.of(400, 1000))
        .withInitialCapacities(ImmutableSet.of(0, 1, 10, 100, 1000))
        .withExpireAfterWrites(
            ImmutableSet.of(
                // DurationSpec.of(500, MILLISECONDS),

    assertTrue("Heap is not intact initially", mmHeap.isIntact());
    Iterator<Integer> it = mmHeap.iterator();
    assertEquals((Integer) 1, it.next());
    assertEquals((Integer) 20, it.next());
    assertEquals((Integer) 1000, it.next());
    assertEquals((Integer) 2, it.next());
    it.remove();
    // After this remove, 400 has moved up and 20 down past cursor

  public void testAdd_firstFewWithSuccess() {
    final int COUNT = 400;

    when(backingMap.get(KEY)).thenReturn(null);
    when(backingMap.putIfAbsent(eq(KEY), isA(AtomicInteger.class))).thenReturn(null);

    assertEquals(0, multiset.add(KEY, COUNT));
  }

  public void testAdd_laterFewWithSuccess() {
    int INITIAL_COUNT = 32;
    int COUNT_TO_ADD = 400;

    AtomicInteger initial = new AtomicInteger(INITIAL_COUNT);

  }

  public void testSimpleAcquireEarliestAvailableIsInPast() {
    RateLimiter limiter = RateLimiter.create(5.0, stopwatch);
    assertEquals(0.0, limiter.acquire(), EPSILON);
    stopwatch.sleepMillis(400);
    assertEquals(0.0, limiter.acquire(), EPSILON);
    assertEquals(0.0, limiter.acquire(), EPSILON);
    assertEquals(0.2, limiter.acquire(), EPSILON);
  }

  public void testOneSecondBurst() {

        .withValueStrengths(ImmutableSet.copyOf(Strength.values()))
        .withConcurrencyLevels(ImmutableSet.of(1, 4, 16, 64))
        .withMaximumSizes(ImmutableSet.of(400, 1000))
        .withInitialCapacities(ImmutableSet.of(0, 1, 10, 100, 1000))
        .withExpireAfterWrites(
            ImmutableSet.of(
                // DurationSpec.of(500, MILLISECONDS),

  }

  public void testSimpleAcquireEarliestAvailableIsInPast() {
    RateLimiter limiter = RateLimiter.create(5.0, stopwatch);
    assertEquals(0.0, limiter.acquire(), EPSILON);
    stopwatch.sleepMillis(400);
    assertEquals(0.0, limiter.acquire(), EPSILON);
    assertEquals(0.0, limiter.acquire(), EPSILON);
    assertEquals(0.2, limiter.acquire(), EPSILON);
  }

  public void testOneSecondBurst() {

    private static final long serialVersionUID = 1;
  }

  /**
   * Writes this {@code BloomFilter} to an output stream, with a custom format (not Java
   * serialization). This has been measured to save at least 400 bytes compared to regular
   * serialization.
   *
   * <p>Use {@linkplain #readFrom(InputStream, Funnel)} to reconstruct the written BloomFilter.
   */
  public void writeTo(OutputStream out) throws IOException {