assertEquals("1234567...", documentHelper.getDigest(responseData, "12345678901", dataMap, 10));
        assertEquals("1234567890", documentHelper.getDigest(responseData, "1234567890", dataMap, 10));
        assertEquals("123456789", documentHelper.getDigest(responseData, "123456789", dataMap, 10));
        assertEquals("1234567", documentHelper.getDigest(responseData, "1234567", dataMap, 10));

        assertEquals("123456789@fess.codelibs.local", fessConfig.getLdapSecurityPrincipal("123456789"));
        assertEquals("1234567890@fess.codelibs.local", fessConfig.getLdapSecurityPrincipal("1234567890"));
        assertEquals("12345678901@fess.codelibs.local", fessConfig.getLdapSecurityPrincipal("12345678901"));
    }

    public void test_maxUsernameLength10() throws IOException {

    }

    /**
     * @throws Exception
     */
    @Test
    public void testGetIntField() throws Exception {
        final Field field = getClass().getField("intField");
        final int testData = 1234567890;
        FieldUtil.set(field, this, new Integer(testData));
        assertThat(FieldUtil.getInt(field, this), is(testData));
    }

    /**
     * @throws Exception
     */
    @Test

        assertEquals(66L, MemoryUtil.sizeOf("1234567890"));
        assertEquals(76L, MemoryUtil.sizeOf("12345678901234567890"));
        assertEquals(66L, MemoryUtil.sizeOf(new String[] { "1234567890" }));
        assertEquals(132L, MemoryUtil.sizeOf(new String[] { "1234567890", "1234567890" }));
        assertEquals(132L, MemoryUtil.sizeOf(Lists.asList("1234567890", new String[] { "1234567890" })));