assertEquals(3, itemList1.size());
        assertEquals(3, itemList1.getAllRecordCount());
        assertEquals(1, itemList1.getCurrentPageNumber());
        assertEquals(20, itemList1.getPageSize());

        final PagingList<KuromojiItem> itemList2 = kuromojiFile.selectList(2, 2);
        assertEquals(1, itemList2.size());
        assertEquals(3, itemList2.getAllRecordCount());

    public void test_formatNumber() {
        assertEquals("0", FessFunctions.formatNumber(0, "###,###"));
        assertEquals("1,000", FessFunctions.formatNumber(1000, "###,###"));
        assertEquals("1,000,000", FessFunctions.formatNumber(1000000, "###,###"));
    }

    public void test_formatFileSize() {
        assertEquals("0", FessFunctions.formatFileSize(0));
        assertEquals("1000", FessFunctions.formatFileSize(1000));

    in.readFully(actual);
    assertEquals('r', actual[0]);
    assertEquals(0, actual[1]);
    assertEquals((byte) 0xC9, actual[2]);
    assertEquals(0, actual[3]);
    assertEquals('s', actual[4]);
    assertEquals(0, actual[5]);
    assertEquals('u', actual[6]);
    assertEquals(0, actual[7]);
    assertEquals('m', actual[8]);
    assertEquals(0, actual[9]);
    assertEquals((byte) 0xC9, actual[10]);

    in.readFully(actual);
    assertEquals('r', actual[0]);
    assertEquals(0, actual[1]);
    assertEquals((byte) 0xC9, actual[2]);
    assertEquals(0, actual[3]);
    assertEquals('s', actual[4]);
    assertEquals(0, actual[5]);
    assertEquals('u', actual[6]);
    assertEquals(0, actual[7]);
    assertEquals('m', actual[8]);
    assertEquals(0, actual[9]);
    assertEquals((byte) 0xC9, actual[10]);

        final String virtualHost = "aaa";

        assertEquals(1, indexingHelper.deleteByVirtualHost(virtualHost));
        assertEquals("fess.update", resultMap.get("index"));
        assertEquals("virtual_host", resultMap.get("field"));
        assertEquals(virtualHost, resultMap.get("value"));
    }

    public void test_calculateDocumentSize() {
        assertEquals(0, indexingHelper.calculateDocumentSize(Collections.emptyMap()));

        value = "";
        assertEquals("", ResourceUtil.resolve(value));

        value = "a";
        assertEquals(value, ResourceUtil.resolve(value));

        value = "${a}";
        assertEquals(value, ResourceUtil.resolve(value));

        value = "$a";
        assertEquals(value, ResourceUtil.resolve(value));

        value = "${a";
        assertEquals(value, ResourceUtil.resolve(value));

        dataconfigpager.clear();
        assertEquals(0, dataconfigpager.getAllRecordCount());
        assertEquals(0, dataconfigpager.getAllPageCount());
        assertEquals(false, dataconfigpager.isExistPrePage());
        assertEquals(false, dataconfigpager.isExistNextPage());
        assertEquals(25, dataconfigpager.getPageSize());
        assertEquals(1, dataconfigpager.getCurrentPageNumber());

    assertEquals(3, binarySearch(0, 5) { index -> 7.compareTo(table[index]) })
    assertEquals(4, binarySearch(0, 5) { index -> 9.compareTo(table[index]) })

    // Search for misses.
    assertEquals(-1, binarySearch(0, 5) { index -> 0.compareTo(table[index]) })
    assertEquals(-2, binarySearch(0, 5) { index -> 2.compareTo(table[index]) })
    assertEquals(-3, binarySearch(0, 5) { index -> 4.compareTo(table[index]) })

            }
        };

        assertEquals(Locale.ROOT, fessConfig.getQueryLocaleFromName(null));
        assertEquals(Locale.ROOT, fessConfig.getQueryLocaleFromName(""));
        assertEquals(Locale.ROOT, fessConfig.getQueryLocaleFromName("ja"));
        assertEquals(Locale.JAPANESE, fessConfig.getQueryLocaleFromName("test_ja"));
        assertEquals(Locale.CHINESE, fessConfig.getQueryLocaleFromName("test_zh"));

    assertEquals(written, out.size());
    assertEquals(written, counter.getCount());

    counter.write(0);
    written += 1;
    assertEquals(written, out.size());
    assertEquals(written, counter.getCount());

    byte[] data = new byte[10];
    counter.write(data);
    written += 10;
    assertEquals(written, out.size());
    assertEquals(written, counter.getCount());