assertThat(i.next(), is("bbb"));
        assertThat(i.next(), is("ccc"));
        assertThat(i.next(), is("aaa"));
        lru.put("ddd", "444");
        assertThat(lru.size(), is(3));
        assertThat(lru.get("bbb"), is(nullValue()));
        i = lru.keySet().iterator();
        assertThat(i.next(), is("ccc"));
        assertThat(i.next(), is("aaa"));
        assertThat(i.next(), is("ddd"));

        Entry<TypeVariable<?>, Type> entry = it.next();
        assertThat(entry.getKey().getName(), is("T1"));
        assertThat(entry.getValue(), is(sameClass(Integer.class)));
        entry = it.next();
        assertThat(entry.getKey().getName(), is("T2"));
        assertThat(entry.getValue(), is(sameClass(Long.class)));
        entry = it.next();
        assertThat(entry.getKey().getName(), is("T1"));

     */
    @Test
    public void testEntrySet() throws Exception {
        Iterator<Map.Entry<String, String>> i = map.entrySet().iterator();
        assertThat(i.next().getKey(), is(nullValue()));
        assertThat(i.next().getKey(), is("1"));
        assertThat(i.next().getKey(), is("2"));
    }

    /**
     * Test method for {@link org.seasar.util.collection.ArrayIterator#remove()}
     * .
     */
    @Test

        throw new ClUnsupportedOperationException("remove");
    }

    @Override
    public boolean hasNext() {
        return false;
    }

    @Override
    public T next() {
        throw new ClUnsupportedOperationException("next");
    }

                // care performance for List that the most frequent pattern
                final Object first = coll instanceof List<?> ? ((List<?>) coll).get(0) : coll.iterator().next();
                if (first instanceof Entity) {
                    data.register(key, coll.stream().map(BeanUtil::copyBeanToNewMap).collect(Collectors.toList()));
                    return;
                }
            }

        text = "";
        assertEquals("", viewHelper.escapeHighlight(text));

        text = "aaa";
        assertEquals("aaa", viewHelper.escapeHighlight(text));

        text = viewHelper.originalHighlightTagPre + "aaa" + viewHelper.originalHighlightTagPost;

     * @param text
     *            テキスト
     * @param suffix
     *            サフィックス
     * @return 結果の文字列
     */
    public static final String trimSuffix(final String text, final String suffix) {
        if (text == null) {
            return null;
        }
        if (suffix == null) {
            return text;
        }
        if (text.endsWith(suffix)) {

        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        if (text == null || text.length() != 1
                || (!fessConfig.getIndexFieldTitle().equals(f) && !fessConfig.getIndexFieldContent().equals(f))) {
            return QueryBuilders.matchPhraseQuery(f, text);
        }

        final UnicodeBlock block = UnicodeBlock.of(text.codePointAt(0));

        buf.append('\"');
    }

    /**
     * {@link Text}の文字列表現を追加します。
     *
     * @param text
     *            テキストノード。{@literal null}であってはいけません
     * @param buf
     *            文字列バッファ。{@literal null}であってはいけません
     */
    public static void appendText(final Text text, final StringBuilder buf) {
        assertArgumentNotNull("text", text);
        assertArgumentNotNull("buf", buf);

        }
    }

    private void assertQueryBuilder(final String expect, final String text) throws Exception {
        QueryContext queryContext = assertQueryBuilder(null, null, text);
        List<SortBuilder<?>> sortBuilders = queryContext.sortBuilders();
        assertEquals(1, sortBuilders.size());
        logger.info("{} => {}", text, sortBuilders.get(0).toString());