protected String getSuccessfulResult() {
    return RESULT_DATA;
  }

  private class ComposeFunction implements Function<Integer, String> {
    @Override
    public String apply(Integer input) {
      if (input.intValue() == VALID_INPUT_DATA) {
        return RESULT_DATA;
      } else {
        throw WRAPPED_EXCEPTION;
      }
    }
  }

  public void testFutureGetThrowsFunctionException() throws Exception {

   * char} are hashed directly (in that order). The input must not be updated while this method is
   * in progress.
   *
   * <p><b>Warning:</b> This method will produce different output than most other languages do when
   * running the same hash function on the equivalent input. For cross-language compatibility, use

      new Function<@Nullable String, @Nullable Character>() {
        @Override
        public @Nullable Character apply(@Nullable String input) {
          return input == null ? null : input.charAt(0);
        }
      };

  @Override
  protected Table<String, Integer, Character> create(@Nullable Object... data) {
    Table<String, Integer, String> table = HashBasedTable.create();

   * Returns an output {@code Future} to use in place of the given {@code input}. The output {@code
   * Future} need not be {@linkplain Future#isDone done}, making {@code AsyncFunction} suitable for
   * asynchronous derivations.
   *
   * <p>Throwing an exception from this method is equivalent to returning a failing {@code Future}.
   */
  ListenableFuture<O> apply(@ParametricNullness I input) throws Exception;

    assertFailsToDecode(base64(), "12345", "Invalid input length 5");
    // These have a combination of invalid length, unrecognized characters and wrong padding.
    assertFailsToDecode(base64(), "AB=C", "Unrecognized character: =");
    assertFailsToDecode(base64(), "A=BCD", "Invalid input length 5");
    assertFailsToDecode(base64(), "?", "Invalid input length 1");
  }

  public void testBase64CannotUpperCase() {

      new Function<@Nullable Integer, @Nullable Integer>() {
        @Override
        public @Nullable Integer apply(@Nullable Integer input) {
          return (input == null) ? null : input / 2;
        }
      };

  abstract static class ColumnTests extends MapTests {
    ColumnTests(
        boolean allowsNullValues,
        boolean supportsPut,

                        set,
                        new Function<String, Integer>() {
                          @Override
                          public Integer apply(String input) {
                            return input.length();
                          }
                        });
                  }

                  @SuppressWarnings("unchecked")
                  @Override

  private static final class RoundToDoubleTester {
    private final BigInteger input;
    private final Map<RoundingMode, Double> expectedValues = new EnumMap<>(RoundingMode.class);
    private boolean unnecessaryShouldThrow = false;

    RoundToDoubleTester(BigInteger input) {
      this.input = input;
    }

    @CanIgnoreReturnValue

  private static final class RoundToDoubleTester {
    private final BigInteger input;
    private final Map<RoundingMode, Double> expectedValues = new EnumMap<>(RoundingMode.class);
    private boolean unnecessaryShouldThrow = false;

    RoundToDoubleTester(BigInteger input) {
      this.input = input;
    }

    @CanIgnoreReturnValue

  }

  @Override
  public HashCode hashInt(int input) {
    return hashBytes(ByteBuffer.allocate(4).order(ByteOrder.LITTLE_ENDIAN).putInt(input).array());
  }

  @Override
  public HashCode hashLong(long input) {
    return hashBytes(ByteBuffer.allocate(8).order(ByteOrder.LITTLE_ENDIAN).putLong(input).array());
  }

  @Override
  public HashCode hashUnencodedChars(CharSequence input) {
    int len = input.length();