}

    /**
     *
     */
    @Test
    public void testIsEmpty() {
        assertTrue(ArrayUtil.isEmpty((Object[]) null));
        assertTrue(ArrayUtil.isEmpty(new Object[] {}));
        assertFalse(ArrayUtil.isEmpty(new Object[] { "" }));
        assertFalse(ArrayUtil.isEmpty(new Object[] { "aaa" }));
    }

    /**
     * @throws Exception
     */
    @Test

        boolean attemptedToRemoveAnything = deleteRecursively(startTime, root, root, handling, failedPaths);
        if (!failedPaths.isEmpty()) {
            throwWithHelpMessage(startTime, root, handling, failedPaths, false);
        }
        return attemptedToRemoveAnything;
    }

        if (entityList.isEmpty()) {
            return new int[] {};
        }
        return delegateBatchRequest(entityList, esEntity -> {
            return createInsertRequest(esEntity);
        });
    }

    protected int[] delegateBatchUpdate(List<? extends Entity> entityList, UpdateOption<? extends ConditionBean> option) {
        if (entityList.isEmpty()) {
            return new int[] {};

                    String parameterForImplementation = parameter.getImplementation();
                    if ((attributeForImplementation == null || attributeForImplementation.isEmpty())
                            && ((parameterForImplementation != null) && !parameterForImplementation.isEmpty())) {
                        attributes.put("implementation", parameter.getImplementation());
                    }

                .collect(toList());

        if (!injectConstructors.isEmpty()) {
            if (injectConstructors.size() > 1) {
                throw failedImplicitBinding(key, "more than one inject constructor");
            }
            if (!injectFactoryMethods.isEmpty()) {
                throw failedImplicitBinding(key, "both inject constructor and inject factory method are present");

    assertThat(set.tailSet(2, false)).containsExactly(3).inOrder();
    assertThat(set.tailSet(3, false)).isEmpty();
  }

  public void testTailSet_tooLarge() {
    assertThat(ContiguousSet.create(Range.closed(1, 3), integers()).tailSet(4)).isEmpty();
  }

  public void testSubSet() {
    ImmutableSortedSet<Integer> set = ContiguousSet.create(Range.closed(1, 3), integers());

    if (ranges.isEmpty()) {
      return ImmutableMap.of();
    }
    RegularImmutableSortedSet<Range<K>> rangeSet =
        new RegularImmutableSortedSet<>(ranges, Range.<K>rangeLexOrdering());
    return new ImmutableSortedMap<>(rangeSet, values);
  }

  @Override
  public ImmutableMap<Range<K>, V> asDescendingMapOfRanges() {
    if (ranges.isEmpty()) {
      return ImmutableMap.of();
    }

    public static <T> BroadcastDispatch<T> empty(Class<T> type) {
        return new EmptyDispatch<T>(type);
    }

    public Class<T> getType() {
        return type;
    }

    public abstract boolean isEmpty();

    public abstract int size();

    public BroadcastDispatch<T> add(Dispatch<MethodInvocation> dispatch) {
        return add(dispatch, dispatch);
    }

    public BroadcastDispatch<T> add(T listener) {

     * 最初の要素を返します。
     *
     * @return 最初の要素
     */
    public E getFirst() {
        if (isEmpty()) {
            throw new NoSuchElementException();
        }
        return getFirstEntry().element;
    }

    /**
     * 最後の要素を返します。
     *
     * @return 最後の要素
     */
    public E getLast() {
        if (isEmpty()) {
            throw new NoSuchElementException();
        }

            } else {
                if (assertionError) {
                    placeholder = new PlaceholderAssertionError(type, message, getMessageExec, toString, toStringRuntimeExec, causes.isEmpty() ? null : causes.get(0));
                } else {