}

    @Override
    public E getFirst() {
      assertTrue(Thread.holdsLock(mutex));
      return delegate.getFirst();
    }

    @Override
    public E getLast() {
      assertTrue(Thread.holdsLock(mutex));
      return delegate.getLast();
    }

    @Override
    public @Nullable E peekFirst() {
      assertTrue(Thread.holdsLock(mutex));
      return delegate.peekFirst();
    }

     * @throws Exception
     */
    @Test
    public void testGetLast() throws Exception {
        try {
            list.getLast();
            fail();
        } catch (final NoSuchElementException ex) {
            System.out.println(ex);
        }
        list.addLast("1");
        assertThat(list.getLast(), is("1"));
    }

    /**
     * @throws Exception
     */
    @Test

  }

  @Override
  @ParametricNullness
  public E getFirst() {
    return delegate().getFirst();
  }

  @Override
  @ParametricNullness
  public E getLast() {
    return delegate().getLast();
  }

  @CanIgnoreReturnValue // TODO(cpovirk): Consider removing this?
  @Override
  public boolean offerFirst(@ParametricNullness E e) {
    return delegate().offerFirst(e);
  }

    }

    /**
     * @throws Exception
     */
    @Test
    public void testReadUTF8() throws Exception {
        assertThat(FileUtil.readUTF8(getPath("hoge_utf8.txt")), is("あ"));
    }

    private String getPath(final String fileName) {
        return getClass().getName().replace('.', '/').replaceFirst(getClass().getSimpleName(), fileName);
    }

  private static class BadLengthFile extends File {

    private final long badLength;

    BadLengthFile(File delegate, long badLength) {
      super(delegate.getPath());
      this.badLength = badLength;
    }

    @Override
    public long length() {
      return badLength;
    }

    private static final long serialVersionUID = 0;
  }

                form.dictId = dictId;
            });
        }).renderWith(data -> {
            stopwordsService.getStopwordsFile(dictId).ifPresent(file -> {
                RenderDataUtil.register(data, "path", file.getPath());
            }).orElse(() -> {
                throwValidationError(messages -> messages.addErrorsFailedToDownloadStopwordsFile(GLOBAL), this::asDictIndexHtml);
            });
        });
    }

    /**

                    throw new DictionaryException("Failed to update " + dictFile.getPath());
                }
            } catch (final IOException e) {
                throw new DictionaryException("Failed to update " + dictFile.getPath(), e);
            }

        }).orElse(() -> {
            throw new DictionaryException(dictFile.getPath() + " does not exist.");
        });
    }

    /**

    assertEquals("c", Iterables.getLast(list));
  }

  public void testGetLast_emptyList() {
    List<String> list = emptyList();
    assertThrows(NoSuchElementException.class, () -> Iterables.getLast(list));
  }

  public void testGetLast_sortedSet() {
    SortedSet<String> sortedSet = ImmutableSortedSet.of("b", "c", "a");
    assertEquals("c", Iterables.getLast(sortedSet));
  }

   * consider using {@code collection.getLast()} instead.
   *
   * @return the last element of {@code iterable}
   * @throws NoSuchElementException if the iterable is empty
   */
  @ParametricNullness
  public static <T extends @Nullable Object> T getLast(Iterable<T> iterable) {
    // TODO(kevinb): Support a concurrently modified collection?

                form.dictId = dictId;
            });
        }).renderWith(data -> {
            charMappingService.getCharMappingFile(dictId).ifPresent(file -> {
                RenderDataUtil.register(data, "path", file.getPath());
            }).orElse(() -> {
                throwValidationError(messages -> messages.addErrorsFailedToDownloadMappingFile(GLOBAL), this::asDictIndexHtml);
            });
        });
    }

    /**