ListenableScheduledFuture<?> future = executorService.schedule(command, Duration.ofSeconds(12));

    assertThat(future.get()).isEqualTo("schedule");
    assertThat(recordedCommand).isSameInstanceAs(command);
    assertThat(recordedTimeUnit).isEqualTo(TimeUnit.NANOSECONDS);
    assertThat(Duration.ofNanos(recordedDelay)).isEqualTo(Duration.ofSeconds(12));
  }

  public void testScheduleCallable() throws Exception {

    when(backingMap.isEmpty()).thenReturn(true);

    multiset = new ConcurrentHashMultiset<>(backingMap);
  }

  public void testCount_elementPresent() {
    final int COUNT = 12;
    when(backingMap.get(KEY)).thenReturn(new AtomicInteger(COUNT));

    assertEquals(COUNT, multiset.count(KEY));
  }

  public void testCount_elementAbsent() {
    when(backingMap.get(KEY)).thenReturn(null);

        multimap.putAll("foo", asList(6));
        multimap.putAll("baz", asList(7, 8));
        multimap.putAll("dog", asList(9));
        multimap.putAll("bar", asList(10, 11));
        multimap.putAll("cat", asList(12, 13, 14));
        return multimap.keySet().iterator();
      }

      @Override
      protected void verify(List<String> elements) {
        assertEquals(newHashSet(elements), multimap.keySet());
      }

    MinMaxPriorityQueue<Integer> mmHeap = MinMaxPriorityQueue.create();
    mmHeap.addAll(
        Lists.newArrayList(1, 20, 1000, 2, 3, 30, 40, 10, 11, 12, 13, 300, 400, 500, 600));
    assertEquals(15, mmHeap.size());
    assertTrue("Heap is not intact initially", mmHeap.isIntact());
    mmHeap.remove(12);
    assertEquals(14, mmHeap.size());
    assertTrue("Heap is not intact after remove()", mmHeap.isIntact());
  }

        multimap.putAll("foo", asList(6));
        multimap.putAll("baz", asList(7, 8));
        multimap.putAll("dog", asList(9));
        multimap.putAll("bar", asList(10, 11));
        multimap.putAll("cat", asList(12, 13, 14));
        return multimap.keySet().iterator();
      }

      @Override
      protected void verify(List<String> elements) {
        assertEquals(newHashSet(elements), multimap.keySet());
      }

    return ((0xFL << 4) | (codePoint >>> 18))
        | ((0x80L | (0x3F & (codePoint >>> 12))) << 8)
        | ((0x80L | (0x3F & (codePoint >>> 6))) << 16)
        | ((0x80L | (0x3F & codePoint)) << 24);
  }

  private static long charToThreeUtf8Bytes(char c) {
    return ((0x7L << 5) | (c >>> 12))
        | ((0x80 | (0x3F & (c >>> 6))) << 8)
        | ((0x80 | (0x3F & c)) << 16);
  }

    byte[] data = baos.toByteArray();

    /* Setup input streams */
    DataInput in = new DataInputStream(new ByteArrayInputStream(data));

    /* Read in various values NORMALLY */
    byte[] actual = new byte[12];
    in.readFully(actual);
    assertEquals('r', actual[0]);
    assertEquals(0, actual[1]);
    assertEquals((byte) 0xC9, actual[2]);
    assertEquals(0, actual[3]);
    assertEquals('s', actual[4]);

            1,
            Range.closed(7, 9),
            4,
            Range.openClosed(9, 10),
            2,
            Range.closed(12, 16),
            3),
        rangeMap.asMapOfRanges());

    assertThrows(IllegalArgumentException.class, () -> sub.put(Range.open(9, 12), 5));

    RangeMap<Integer, Integer> subSub = sub.subRangeMap(Range.closedOpen(5, 5));
    subSub.put(Range.closedOpen(5, 5), 6); // should be a no-op

    // evict 3, 4, 5
    getAll(cache, asList(10, 11, 12));
    CacheTesting.drainRecencyQueues(cache);
    assertThat(keySet).containsExactly(6, 7, 8, 9, 0, 1, 2, 10, 11, 12);

    // re-order
    getAll(cache, asList(6, 7, 8));
    CacheTesting.drainRecencyQueues(cache);
    assertThat(keySet).containsExactly(9, 0, 1, 2, 10, 11, 12, 6, 7, 8);

    // evict 9, 0, 1
    getAll(cache, asList(13, 14, 15));

      ArrayListMultimap<K, V> create(Multimap<? extends K, ? extends V> multimap) {
    return new ArrayListMultimap<>(multimap);
  }

  private ArrayListMultimap() {
    this(12, DEFAULT_VALUES_PER_KEY);
  }

  private ArrayListMultimap(int expectedKeys, int expectedValuesPerKey) {
    super(Platform.<K, Collection<V>>newHashMapWithExpectedSize(expectedKeys));