assertEquals(HashMultiset.create(asList("a", "b", "a", "c")), multiset);
  }

  public void testBuilderAddAll() {
    List<String> a = asList("a", "b");
    List<String> b = asList("c", "d");
    ImmutableMultiset<String> multiset =
        new ImmutableMultiset.Builder<String>().addAll(a).addAll(b).build();
    assertEquals(HashMultiset.create(asList("a", "b", "c", "d")), multiset);
  }

    FluentIterable<Integer> result =
        FluentIterable.<Integer>from(asList(1, 2, 3)).append(Lists.newArrayList(4, 5, 6));
    assertEquals(asList(1, 2, 3, 4, 5, 6), Lists.newArrayList(result));
    assertThat(result.toString()).isEqualTo("[1, 2, 3, 4, 5, 6]");

    result = FluentIterable.<Integer>from(asList(1, 2, 3)).append(4, 5, 6);
    assertEquals(asList(1, 2, 3, 4, 5, 6), Lists.newArrayList(result));

    assertEquals(asList("a", "b", "a", "c"), list);
  }

  public void testBuilderAddAll_iterable() {
    List<String> a = asList("a", "b");
    List<String> b = asList("c", "d");
    ImmutableList<String> list = new ImmutableList.Builder<String>().addAll(a).addAll(b).build();
    assertEquals(asList("a", "b", "c", "d"), list);
    b.set(0, "f");
    assertEquals(asList("a", "b", "c", "d"), list);
  }

    List<String> b = asList("c", "d");
    ImmutableSortedMultiset<String> multiset =
        ImmutableSortedMultiset.<String>naturalOrder().addAll(a).addAll(b).build();
    assertEquals(HashMultiset.create(asList("a", "b", "c", "d")), multiset);
  }

  public void testBuilderAddAllMultiset() {
    Multiset<String> a = HashMultiset.create(asList("a", "b", "b"));

    assertEquals(HashMultiset.create(asList("a", "b", "a", "c")), multiset);
  }

  public void testBuilderAddAll() {
    List<String> a = asList("a", "b");
    List<String> b = asList("c", "d");
    ImmutableSortedMultiset<String> multiset =
        ImmutableSortedMultiset.<String>naturalOrder().addAll(a).addAll(b).build();
    assertEquals(HashMultiset.create(asList("a", "b", "c", "d")), multiset);
  }

        multimap = LinkedHashMultimap.create();
        multimap.putAll("foo", asList(2, 3));
        multimap.putAll("bar", asList(4, 5));
        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.asMap().entrySet().iterator();
      }

    assertEquals(HashMultiset.create(asList("a", "b", "a", "c")), multiset);
  }

  public void testBuilderAddAll() {
    List<String> a = asList("a", "b");
    List<String> b = asList("c", "d");
    ImmutableMultiset<String> multiset =
        new ImmutableMultiset.Builder<String>().addAll(a).addAll(b).build();
    assertEquals(HashMultiset.create(asList("a", "b", "c", "d")), multiset);
  }

    Iterable<?> b;

    // A few elements.
    a = asList(4, 8, 15, 16, 23, 42);
    b = asList(4, 8, 15, 16, 23, 42);
    assertTrue(elementsEqual(a, b));

    // An element differs.
    a = asList(4, 8, 15, 12, 23, 42);
    b = asList(4, 8, 15, 16, 23, 42);
    assertFalse(elementsEqual(a, b));

    // null versus non-null.
    a = Arrays.<@Nullable Integer>asList(4, 8, 15, null, 23, 42);

    ServiceManager manager = new ServiceManager(asList(a, b));
    String toString = manager.toString();
    assertThat(toString).contains("NoOpService");
    assertThat(toString).contains("FailStartService");
  }

  public void testTimeouts() throws Exception {
    Service a = new NoOpDelayedService(50);
    ServiceManager manager = new ServiceManager(asList(a));
    manager.startAsync();

    assertTrue(set.containsAll(asList("b")));
    assertTrue(set.containsAll(asList("b", "b")));
    assertTrue(set.containsAll(asList("b", "f")));
    assertTrue(set.containsAll(asList("b", "f", "a")));
    assertFalse(set.containsAll(asList("d")));
    assertFalse(set.containsAll(asList("z")));
    assertFalse(set.containsAll(asList("b", "d")));
    assertFalse(set.containsAll(asList("f", "d", "a")));
  }