this((int) (map.size() / LOAD_FACTOR) + 1);
        putAll(map);
    }

    @Override
    public int size() {
        return size;
    }

    @Override
    public boolean isEmpty() {
        return size == 0;
    }

    @Override
    public boolean containsValue(final Object value) {
        return indexOf(value) >= 0;
    }

    /**

  public void testToArrayEmpty() {
    Iterator<String> iterator = Collections.<String>emptyList().iterator();
    String[] array = Iterators.toArray(iterator, String.class);
    assertThat(array).isEmpty();
  }

  @GwtIncompatible // Iterators.toArray(Iterator, Class)
  public void testToArraySingleton() {
    Iterator<String> iterator = singletonList("a").iterator();

          } while (stopwatch.elapsed(SECONDS) < 1);
        };

    List<Throwable> exceptions = runThreadsAndReturnExceptions(numThreads, task);

    assertThat(exceptions).isEmpty();
  }

  private static List<Throwable> runThreadsAndReturnExceptions(int numThreads, Runnable task) {
    List<Thread> threads = new ArrayList<>(numThreads);

            String description = strategy.getDescription();

            assertNotNull(description, "Description should not be null");
            assertFalse(description.trim().isEmpty(), "Description should not be empty");
            assertTrue(description.toLowerCase().contains("infer"), "Description should mention inference");
        }
    }

    assertThrows(IllegalArgumentException.class, () -> Chars.ensureCapacity(ARRAY1, 1, -1));
  }

  public void testJoin() {
    assertThat(Chars.join(",", EMPTY)).isEmpty();
    assertThat(Chars.join(",", '1')).isEqualTo("1");
    assertThat(Chars.join(",", '1', '2')).isEqualTo("1,2");
    assertThat(Chars.join("", '1', '2', '3')).isEqualTo("123");
  }

  abstract class AbstractCacheSet<T> extends AbstractSet<T> {
    @Override
    public int size() {
      return LocalCache.this.size();
    }

    @Override
    public boolean isEmpty() {
      return LocalCache.this.isEmpty();
    }

    @Override
    public void clear() {
      LocalCache.this.clear();
    }
  }

  boolean removeIf(BiPredicate<? super K, ? super V> filter) {

    // TODO(kevinb): Support a concurrently modified collection?
    Iterable<E> iterable = getDelegate();
    if (iterable instanceof List) {
      List<E> list = (List<E>) iterable;
      if (list.isEmpty()) {
        return Optional.absent();
      }
      return Optional.of(list.get(list.size() - 1));
    }
    Iterator<E> iterator = iterable.iterator();
    if (!iterator.hasNext()) {

    // TODO(kevinb): Support a concurrently modified collection?
    Iterable<E> iterable = getDelegate();
    if (iterable instanceof List) {
      List<E> list = (List<E>) iterable;
      if (list.isEmpty()) {
        return Optional.absent();
      }
      return Optional.of(list.get(list.size() - 1));
    }
    Iterator<E> iterator = iterable.iterator();
    if (!iterator.hasNext()) {

      this.array = array;
      this.start = start;
      this.end = end;
    }

    @Override
    public int size() {
      return end - start;
    }

    @Override
    public boolean isEmpty() {
      return false;
    }

    @Override
    public Character get(int index) {
      checkElementIndex(index, size());
      return array[start + index];
    }

    @Override

    assertThrows(IllegalArgumentException.class, () -> Chars.ensureCapacity(ARRAY1, 1, -1));
  }

  public void testJoin() {
    assertThat(Chars.join(",", EMPTY)).isEmpty();
    assertThat(Chars.join(",", '1')).isEqualTo("1");
    assertThat(Chars.join(",", '1', '2')).isEqualTo("1,2");
    assertThat(Chars.join("", '1', '2', '3')).isEqualTo("123");
  }