long seed = insertRandomly(elements, q);
      while (!q.isEmpty()) {
        elements.add(0, q.pollLast());
      }
      assertEqualsUsingSeed(seed, expected, elements);
    }
  }

  public void testCorrectOrdering_randomAccess() {
    long seed = new Random().nextLong();
    Random random = new Random(seed);
    PriorityQueue<Integer> control = new PriorityQueue<>();

     */
    public List<String> getWordList(final SearchRequestType searchRequestType, final String seed, final String[] tags, final String[] roles,
            final String[] fields, final String[] excludes) {
        final String baseSeed = seed != null ? seed : fessConfig.getSuggestPopularWordSeed();
        final String[] baseTags = tags != null ? tags : fessConfig.getSuggestPopularWordTagsAsArray();

  }

  private final boolean hasSeed;
  private final long seed;

  public SpecialRandom() {
    this.hasSeed = false;
    this.seed = 0;
  }

  public SpecialRandom(long seed) {
    super(seed);
    this.hasSeed = true;
    this.seed = seed;
  }

  @Override
  public String toString() {
    return hasSeed ? "(seed:" + seed : "(default seed)";
  }

  private static final long serialVersionUID = 0;

  private final int seed;

  Murmur3_128HashFunction(int seed) {
    this.seed = seed;
  }

  @Override
  public int bits() {
    return 128;
  }

  @Override
  public Hasher newHasher() {
    return new Murmur3_128Hasher(seed);
  }

  @Override
  public String toString() {
    return "Hashing.murmur3_128(" + seed + ")";
  }

  @Override

  private final int seed;
  private final boolean supplementaryPlaneFix;

  Murmur3_32HashFunction(int seed, boolean supplementaryPlaneFix) {
    this.seed = seed;
    this.supplementaryPlaneFix = supplementaryPlaneFix;
  }

  @Override
  public int bits() {
    return 32;
  }

  @Override
  public Hasher newHasher() {
    return new Murmur3_32Hasher(seed);
  }

  @Override

    hashFunctions[0] = Murmur3_128HashFunction.GOOD_FAST_HASH_128;
    int seed = GOOD_FAST_HASH_SEED;
    for (int i = 1; i < hashFunctionsNeeded; i++) {
      seed += 1500450271; // a prime; shouldn't matter
      hashFunctions[i] = murmur3_128(seed);
    }
    return new ConcatenatedHashFunction(hashFunctions);
  }

  /**

  }

  private static void assertHash(int seed, long expected1, long expected2, String stringInput) {
    HashCode expected = toHashCode(expected1, expected2);
    byte[] input = HashTestUtils.ascii(stringInput);
    assertEquals(expected, murmur3_128(seed).hashBytes(input));
    assertEquals(expected, murmur3_128(seed).newHasher().putBytes(input).hash());
  }

        assertEquals(result1, result2);
    }

    public void test_getCacheKey_nullSeed() {
        String seed = null;
        String[] tags = { "tag1" };
        String[] roles = { "role1" };
        String[] fields = { "field1" };
        String[] excludes = { "exclude1" };

        String result = popularWordHelper.getCacheKey(seed, tags, roles, fields, excludes);

    hashFunctions[0] = Murmur3_128HashFunction.GOOD_FAST_HASH_128;
    int seed = GOOD_FAST_HASH_SEED;
    for (int i = 1; i < hashFunctionsNeeded; i++) {
      seed += 1500450271; // a prime; shouldn't matter
      hashFunctions[i] = murmur3_128(seed);
    }
    return new ConcatenatedHashFunction(hashFunctions);
  }

  /**

  private final int seed;
  private final boolean supplementaryPlaneFix;

  Murmur3_32HashFunction(int seed, boolean supplementaryPlaneFix) {
    this.seed = seed;
    this.supplementaryPlaneFix = supplementaryPlaneFix;
  }

  @Override
  public int bits() {
    return 32;
  }

  @Override
  public Hasher newHasher() {
    return new Murmur3_32Hasher(seed);
  }

  @Override