assertEquals("Hashing.crc32()", Hashing.crc32().toString());
  }

  public void testAdler32() {
    HashTestUtils.assertInvariants(Hashing.adler32());
    assertEquals("Hashing.adler32()", Hashing.adler32().toString());
  }

  public void testMurmur3_128() {
    HashTestUtils.check2BitAvalanche(Hashing.murmur3_128(), 250, 0.20);

   *
   * @since 14.0
   */
  public static HashFunction adler32() {
    return ChecksumType.ADLER_32.hashFunction;
  }

  @Immutable
  enum ChecksumType implements ImmutableSupplier<Checksum> {
    CRC_32("Hashing.crc32()") {
      @Override
      public Checksum get() {
        return new CRC32();
      }
    },
    ADLER_32("Hashing.adler32()") {
      @Override
      public Checksum get() {