.test();
  }

  @J2ktIncompatible
  @GwtIncompatible
  public void testRoundToDouble_negativeWayTooBig() {
    BigInteger bi = BigInteger.ONE.shiftLeft(2 * Double.MAX_EXPONENT).negate();
    new RoundToDoubleTester(bi)
        .setExpectation(-Double.MAX_VALUE, DOWN, CEILING, HALF_EVEN, HALF_UP, HALF_DOWN)
        .setExpectation(Double.NEGATIVE_INFINITY, UP, FLOOR)
        .roundUnnecessaryShouldThrow()

        .test();
  }

  @J2ktIncompatible
  @GwtIncompatible
  public void testRoundToDouble_negativeWayTooBig() {
    BigInteger bi = BigInteger.ONE.shiftLeft(2 * Double.MAX_EXPONENT).negate();
    new RoundToDoubleTester(bi)
        .setExpectation(-Double.MAX_VALUE, DOWN, CEILING, HALF_EVEN, HALF_UP, HALF_DOWN)
        .setExpectation(Double.NEGATIVE_INFINITY, UP, FLOOR)
        .roundUnnecessaryShouldThrow()

    return new Is(match);
  }

  /**
   * Returns a {@code char} matcher that matches any character except the BMP character specified.
   *
   * <p>To negate another {@code CharMatcher}, use {@link #negate()}.
   */
  public static CharMatcher isNot(final char match) {
    return new IsNot(match);
  }

  /**

        .roundUnnecessaryShouldThrow()
        .test();
  }

  public void testRoundToDouble_negativeWayTooBig() {
    BigDecimal bi = BigDecimal.valueOf(2).pow(2 * Double.MAX_EXPONENT).negate();
    new RoundToDoubleTester(bi)
        .setExpectation(-Double.MAX_VALUE, DOWN, CEILING, HALF_EVEN, HALF_UP, HALF_DOWN)
        .setExpectation(Double.NEGATIVE_INFINITY, UP, FLOOR)
        .roundUnnecessaryShouldThrow()

    assertEquals(expected, matcher.toString());
    assertEquals(expected, matcher.precomputed().toString());
    assertEquals(expected, matcher.negate().negate().toString());
    assertEquals(expected, matcher.negate().precomputed().negate().toString());
    assertEquals(expected, matcher.negate().precomputed().negate().precomputed().toString());
  }

    assertEquals(expected, matcher.toString());
    assertEquals(expected, matcher.precomputed().toString());
    assertEquals(expected, matcher.negate().negate().toString());
    assertEquals(expected, matcher.negate().precomputed().negate().toString());
    assertEquals(expected, matcher.negate().precomputed().negate().precomputed().toString());
  }

    return new Is(match);
  }

  /**
   * Returns a {@code char} matcher that matches any character except the BMP character specified.
   *
   * <p>To negate another {@code CharMatcher}, use {@link #negate()}.
   */
  public static CharMatcher isNot(final char match) {
    return new IsNot(match);
  }

  /**

        .roundUnnecessaryShouldThrow()
        .test();
  }

  public void testRoundToDouble_negativeWayTooBig() {
    BigDecimal bi = BigDecimal.valueOf(2).pow(2 * Double.MAX_EXPONENT).negate();
    new RoundToDoubleTester(bi)
        .setExpectation(-Double.MAX_VALUE, DOWN, CEILING, HALF_EVEN, HALF_UP, HALF_DOWN)
        .setExpectation(Double.NEGATIVE_INFINITY, UP, FLOOR)
        .roundUnnecessaryShouldThrow()

    }
    int exponent = getExponent(x);
    long significand = getSignificand(x);
    BigInteger result = BigInteger.valueOf(significand).shiftLeft(exponent - SIGNIFICAND_BITS);
    return (x < 0) ? result.negate() : result;
  }

  /**
   * Returns {@code true} if {@code x} is exactly equal to {@code 2^k} for some finite integer
   * {@code k}.
   */
  @GwtIncompatible // com.google.common.math.DoubleUtils

  /** Matcher for type, subtype and attributes. */
  private static final CharMatcher TOKEN_MATCHER =
      ascii()
          .and(javaIsoControl().negate())
          .and(CharMatcher.isNot(' '))
          .and(CharMatcher.noneOf("()<>@,;:\\\"/[]?="));

  private static final CharMatcher QUOTED_TEXT_MATCHER = ascii().and(CharMatcher.noneOf("\"\\\r"));

  /*