// operating systems.

// dangerousSlice returns a slice which is immediately
// preceded and followed by a faulting page.
func dangerousSlice(t *testing.T) []byte {
	pagesize := syscall.Getpagesize()
	b, err := syscall.Mmap(0, 0, 3*pagesize, syscall.PROT_READ|syscall.PROT_WRITE, syscall.MAP_ANONYMOUS|syscall.MAP_PRIVATE)
	if err != nil {
		t.Fatalf("mmap failed %s", err)
	}

        DictionaryFile.PagingList<StopwordsItem> result = stopwordsFile.selectList(0, 2);
        assertEquals(2, result.size());
        assertEquals(1, result.getCurrentPageNumber());
        assertEquals(2, result.getPageSize());
        assertEquals(5, result.getAllRecordCount());
        assertEquals(3, result.getAllPageCount());
        assertEquals(1, result.getCurrentPageNumber());
    }

     *
     * @return the page size
     */
    public int getPageSize() {
        if (pageSize <= 0) {
            pageSize = getDefaultPageSize();
        }
        return pageSize;
    }

    /**
     * Sets the number of records to display per page.
     *
     * @param pageSize the page size to set
     */
    public void setPageSize(final int pageSize) {
        this.pageSize = pageSize;
    }

        final PagingResultBean<RelatedContent> relatedContentList = relatedContentBhv.selectPage(cb -> {
            cb.paging(relatedContentPager.getPageSize(), relatedContentPager.getCurrentPageNumber());
            setupListCondition(cb, relatedContentPager);
        });

        // update pager

     */
    public List<Group> getGroupList(final GroupPager groupPager) {

        final PagingResultBean<Group> groupList = groupBhv.selectPage(cb -> {
            cb.paging(groupPager.getPageSize(), groupPager.getCurrentPageNumber());
            setupListCondition(cb, groupPager);
        });

        // update pager

     *
     * @return The page size.
     */
    public int getPageSize() {
        if (pageSize <= 0) {
            pageSize = getDefaultPageSize();
        }
        return pageSize;
    }

    /**
     * Sets the page size.
     *
     * @param pageSize The page size.
     */
    public void setPageSize(final int pageSize) {
        this.pageSize = pageSize;
    }

    /**

     *
     * @return The page size.
     */
    public int getPageSize() {
        if (pageSize <= 0) {
            pageSize = getDefaultPageSize();
        }
        return pageSize;
    }

    /**
     * Sets the page size.
     *
     * @param pageSize The page size.
     */
    public void setPageSize(final int pageSize) {
        this.pageSize = pageSize;
    }

    /**

     * @return The page size.
     */
    public int getPageSize() {
        if (pageSize <= 0) {
            pageSize = getDefaultPageSize();
        }
        return pageSize;
    }

    /**
     * Sets the page size for pagination.
     * @param pageSize The page size.
     */
    public void setPageSize(final int pageSize) {
        this.pageSize = pageSize;
    }

    /**

     *
     * @return The page size.
     */
    public int getPageSize() {
        if (pageSize <= 0) {
            pageSize = getDefaultPageSize();
        }
        return pageSize;
    }

    /**
     * Sets the page size.
     *
     * @param pageSize The page size.
     */
    public void setPageSize(final int pageSize) {
        this.pageSize = pageSize;
    }

    /**

     */
    public List<KuromojiItem> getKuromojiList(final String dictId, final KuromojiPager kuromojiPager) {
        return getKuromojiFile(dictId).map(file -> {
            final int pageSize = kuromojiPager.getPageSize();
            final PagingList<KuromojiItem> kuromojiList = file.selectList((kuromojiPager.getCurrentPageNumber() - 1) * pageSize, pageSize);

            // update pager