assertEquals(1, restrictions.size(), CHECK_NUM_RESTRICTIONS);

        VersionRange version = VersionRange.createFromVersion("1.0");
        assertSame(version, VersionRange.createFromVersion("1.0")); // same instance from version cache
        restrictions = version.getRestrictions();
        assertEquals(0, restrictions.size(), CHECK_NUM_RESTRICTIONS);

        assertFalse(

        qrList = new QueryResponseList(null, 0, 20, 0) {
            @Override
            public int size() {
                return 20;
            }
        };
        qrList.allRecordCount = 20;
        qrList.calculatePageInfo();
        pnList = qrList.getPageNumberList();
        assertEquals(1, pnList.size());
        assertEquals("1", pnList.get(0));

        qrList = new QueryResponseList(null, 0, 20, 0) {

        header.previous = header;
        size = 0;
    }

    /**
     * Returns the entry at the specified position.
     *
     * @param index the index
     * @return the entry
     */
    public Entry getEntry(final int index) {
        assertIndex(0 <= index && index < size, "Index: " + index + ", Size: " + size);
        Entry e = header;
        if (index < size / 2) {

    }

    /**
     * Get maximum receive size
     *
     * @return maximum receive size in bytes
     */
    public int getMaxReceiveSize() {
        return maxReceiveSize;
    }

    /**
     * Set maximum receive size
     *
     * @param maxReceiveSize maximum receive size in bytes
     */
    public void setMaxReceiveSize(int maxReceiveSize) {

        assertEquals(0, crawlingConfigHelper.getExcludedUrlList("123").size());
        systemProperties.setProperty(Constants.FAILURE_COUNT_THRESHOLD_PROPERTY, "0");
        assertEquals(0, crawlingConfigHelper.getExcludedUrlList("123").size());
        errorCount.set(5);
        assertEquals(5, crawlingConfigHelper.getExcludedUrlList("123").size());

    assertEquals(1, Iterators.size(registry.getSubscribers(1)));

    registry.register(new IntegerSubscriber());
    assertEquals(3, Iterators.size(registry.getSubscribers("")));
    assertEquals(1, Iterators.size(registry.getSubscribers(new Object())));
    assertEquals(2, Iterators.size(registry.getSubscribers(1)));
  }

  public void testGetSubscribers_returnsImmutableSnapshot() {

    for (int i = 0; i < expected.size(); i++) {
      actual.add(q.pollFirst());
    }
    assertEquals(expected, actual);
  }

  public void testCorrectOrdering_smallHeapsPollFirst() {
    for (int size = 2; size < 16; size++) {
      for (int attempts = 0; attempts < size * (size - 1); attempts++) {
        ArrayList<Integer> elements = createOrderedList(size);

        assertEquals("Expected structureSize = 2", exception.getMessage());
    }

    @Test
    @DisplayName("Test readBytesWireFormat with zero structure size throws exception")
    void testReadBytesWireFormatZeroStructureSize() {
        byte[] buffer = new byte[1024];
        int bufferIndex = 0;

        // Set structure size to 0 (invalid)

      newDelegate.addAll(delegate);
      this.table = newDelegate;
      return;
    }
    int size = this.size;
    if (size < requireEntries().length) {
      resizeEntries(size);
    }
    int minimumTableSize = CompactHashing.tableSize(size);
    int mask = hashTableMask();
    if (minimumTableSize < mask) { // smaller table size will always be less than current mask

      return forwardList;
    }

    private int reverseIndex(int index) {
      int size = size();
      checkElementIndex(index, size);
      return (size - 1) - index;
    }

    private int reversePosition(int index) {
      int size = size();
      checkPositionIndex(index, size);
      return size - index;
    }

    @Override
    public void add(int index, @ParametricNullness T element) {