assertEquals(
        "Modifying the builder should not have changed any already" + " built sets",
        216,
        webSafeColors.size());
    assertEquals("the new array should be one bigger than webSafeColors", 217, addedColor.size());
    Integer[] appendColorArray = addedColor.toArray(new Integer[addedColor.size()]);
    assertEquals(0x00BFFF, (int) appendColorArray[216]);
  }

              || !fitsInLong(BigIntegerMath.binomial(LongMath.biggestBinomials[k] + 1, k)));
      // In the first case, any long is valid; in the second, we want to test that the next-bigger
      // long overflows.
    }
    int k = LongMath.biggestBinomials.length;
    assertFalse(fitsInLong(BigIntegerMath.binomial(2 * k, k)));
    // 2 * k is the smallest value for which we don't replace k with (n-k).

   *
   * @param file the file to read from
   * @return a byte array containing all the bytes from file
   * @throws IllegalArgumentException if the file is bigger than the largest possible byte array
   *     (2^31 - 1)
   * @throws IOException if an I/O error occurs
   */
  public static byte[] toByteArray(File file) throws IOException {
    return asByteSource(file).read();

              || !fitsInInt(BigIntegerMath.binomial(IntMath.biggestBinomials[k] + 1, k)));
      // In the first case, any int is valid; in the second, we want to test that the next-bigger
      // int overflows.
    }
    assertFalse(
        fitsInInt(
            BigIntegerMath.binomial(
                2 * IntMath.biggestBinomials.length, IntMath.biggestBinomials.length)));
  }

    checkHashCode(Sets.cartesianProduct(set(1, num), set(2, num - 1)));
    checkHashCode(Sets.cartesianProduct(set(1, num), set(2, num - 1), set(3, num + 1)));

    // a bigger one
    checkHashCode(
        Sets.cartesianProduct(set(1, num, num + 1), set(2), set(3, num + 2), set(4, 5, 6, 7, 8)));
  }

  public void testPowerSetEmpty() {

          "nesec--nx??at?b?c!cul??dv?i&blo&-oipmet?oipmet??cserb?drabmol?g&gof?urep??l&gup?i&cis?me&-oigger?oigger???uig&-&aizenev&-iluirf?iluirf??ev&-iluirf?iluirf??v&-iluirf?iluirf???aizenev&-iluirf?iluirf??ev&-iluirf?iluirf??v&-iluirf?iluirf????n&a&brev?cul?pmac?tac??idras?obrac&-saiselgi?saiselgi??resi??otsip?r&b&alac!-oigger?oigger??mu??dna&-&attelrab-inart?inart-attelrab??attelrabinart?inartattelrab?ssela??epmi?ugil??tnelav&-obiv?obiv??vap?z&e&nev?ps&-al?al???...

    assertEquals(
        "Modifying the builder should not have changed any already" + " built sets",
        216,
        webSafeColors.size());
    assertEquals("the new array should be one bigger than webSafeColors", 217, addedColor.size());
    Integer[] appendColorArray = addedColor.toArray(new Integer[addedColor.size()]);
    assertEquals(0x00BFFF, (int) appendColorArray[216]);
  }

              || !fitsInLong(BigIntegerMath.binomial(LongMath.biggestBinomials[k] + 1, k)));
      // In the first case, any long is valid; in the second, we want to test that the next-bigger
      // long overflows.
    }
    int k = LongMath.biggestBinomials.length;
    assertFalse(fitsInLong(BigIntegerMath.binomial(2 * k, k)));
    // 2 * k is the smallest value for which we don't replace k with (n-k).