}
    }
  }

  @GwtIncompatible // DoubleMath.log2(double, RoundingMode)
  public void testRoundLog2Half() {
    // We don't expect perfect rounding accuracy.
    for (int exp : asList(-1022, -50, -1, 0, 1, 2, 3, 4, 100, 1022, 1023)) {
      for (RoundingMode mode : asList(HALF_EVEN, HALF_UP, HALF_DOWN)) {
        double x = Math.scalb(Math.sqrt(2) + 0.001, exp);
        double y = Math.scalb(Math.sqrt(2) - 0.001, exp);

            36896, 21508, 26131, 35835, 3236, 35486, 2335, 24517, 21035, 21029, 44172, 21453, 29699,
            12378, 44396, 30149, 39321, 3638, 46041, 7883, 1711, 29694, 12423, 3364, 4140, 32032,
            3616, 8222, 3250, 27835, 59179, 36229, 3093, 23627, 25506, 7907, 27468, 54868, 22836,
            941, 8594, 22826, 23550, 20491, 23460, 30707, 3256, 27454, 32467, 9679, 20581, 27668,

      }
    }
  }

  @GwtIncompatible // DoubleMath.log2(double, RoundingMode)
  public void testRoundLog2Half() {
    // We don't expect perfect rounding accuracy.
    for (int exp : asList(-1022, -50, -1, 0, 1, 2, 3, 4, 100, 1022, 1023)) {
      for (RoundingMode mode : asList(HALF_EVEN, HALF_UP, HALF_DOWN)) {
        double x = Math.scalb(Math.sqrt(2) + 0.001, exp);
        double y = Math.scalb(Math.sqrt(2) - 0.001, exp);

            36896, 21508, 26131, 35835, 3236, 35486, 2335, 24517, 21035, 21029, 44172, 21453, 29699,
            12378, 44396, 30149, 39321, 3638, 46041, 7883, 1711, 29694, 12423, 3364, 4140, 32032,
            3616, 8222, 3250, 27835, 59179, 36229, 3093, 23627, 25506, 7907, 27468, 54868, 22836,
            941, 8594, 22826, 23550, 20491, 23460, 30707, 3256, 27454, 32467, 9679, 20581, 27668,

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

  /*
   * This matches the same characters as linear-white-space from RFC 822, but we make no effort to
   * enforce any particular rules with regards to line folding as stated in the class docs.
   */
  private static final CharMatcher LINEAR_WHITE_SPACE = CharMatcher.anyOf(" \t\r\n");