wantErr: io.ErrUnexpectedEOF,
	}, {
		inputData: padInput("0\n"),
		inputHdrs: map[string]string{paxGNUSparseMajor: "1", paxGNUSparseMinor: "0"},
		wantMap:   sparseDatas{},
	}, {
		inputData: padInput("0\n")[:blockSize-1] + "#",
		inputHdrs: map[string]string{paxGNUSparseMajor: "1", paxGNUSparseMinor: "0"},
		wantMap:   sparseDatas{},
	}, {
		inputData: padInput("0"),

    for (String badInput : BAD_TRY_PARSE_INPUTS) {
      assertThat(badInput)
          .doesNotMatch(
              Pattern.compile(
                  Doubles.FLOATING_POINT_PATTERN.pattern(),
                  Doubles.FLOATING_POINT_PATTERN.flags()));
      assertThat(Doubles.tryParse(badInput)).isEqualTo(referenceTryParse(badInput));
      assertThat(Doubles.tryParse(badInput)).isNull();
    }
  }

    assertEquals(RESULT_DATA, resultFuture.get());
  }

  public void testFutureGetThrowsRuntimeException() throws Exception {
    BadFuture badInput = new BadFuture(immediateFuture(20));
    ListenableFuture<String> chain = buildChainingFuture(badInput);
    ExecutionException e = assertThrows(ExecutionException.class, () -> chain.get());
    assertThat(e.getCause()).isInstanceOf(BadFutureRuntimeException.class);
  }

    assertEquals(RESULT_DATA, resultFuture.get());
  }

  public void testFutureGetThrowsRuntimeException() throws Exception {
    BadFuture badInput = new BadFuture(immediateFuture(20));
    ListenableFuture<String> chain = buildChainingFuture(badInput);
    ExecutionException e = assertThrows(ExecutionException.class, () -> chain.get());
    assertThat(e.getCause()).isInstanceOf(BadFutureRuntimeException.class);
  }

   *     encoding.
   */
  public final byte[] decode(CharSequence chars) {
    try {
      return decodeChecked(chars);
    } catch (DecodingException badInput) {
      throw new IllegalArgumentException(badInput);
    }
  }

  /**
   * Decodes the specified character sequence, and returns the resulting {@code byte[]}. This is the
   * inverse operation to {@link #encode(byte[])}.
   *