/**
     * @throws Exception
     */
    @Test
    public void test() throws Exception {
        final ClassIterator it = new ClassIterator(Integer.class);
        assertThat(it.hasNext(), is(true));
        assertThat(it.next(), is(sameClass(Integer.class)));

        assertThat(it.hasNext(), is(true));
        assertThat(it.next(), is(sameClass(Number.class)));

        assertThat(it.hasNext(), is(true));

        assertThat(new CopyOptions().convertValue(new Integer(1), "aaa", null), is((Object) 1));
    }

    /**
     * @throws Exception
     */
    @Test
    public void testConvertValue_propertyConverter_asString() throws Exception {
        assertThat(new CopyOptions().converter(new NumberConverter("##0"), "aaa").convertValue(new Integer(1), "aaa", null),
                is((Object) "1"));
    }

        assertThat(hoge.getValueClassOfMap(), is(sameClass(Integer.class)));
    }

    /**
     *
     */
    @SuppressWarnings("unused")
    public static class MyBean {
        /** */
        public static final String HOGE = "hoge";

        private Class<?> aaa;

        private List<String> list;

        private Map<String, Integer> map;
    }

        final MyBean myBean = new MyBean();
        final BeanDesc beanDesc = new BeanDescImpl(MyBean.class);
        final PropertyDesc propDesc = beanDesc.getPropertyDesc("ggg");
        propDesc.setValue(myBean, new Integer(1));
        assertThat(myBean.getGgg(), is(new BigDecimal(1)));
    }

    /**
     * @throws Exception
     */
    @Test
    public void testSetTimestampValue() throws Exception {

                break;
            case '\r':
                buf.append("\\r");
                break;
            default:
                if (c < ' ') {
                    final String hex = Integer.toHexString(c);
                    buf.append("\\u");
                    for (int j = 0; j < 4 - hex.length(); j++) {
                        buf.append('0');

                    }
                    buf.append(hex);

     *            数値
     */
    public static void appendHex(final StringBuilder buf, final int i) {
        buf.append(Integer.toHexString(i >> 24 & 0xff));
        buf.append(Integer.toHexString(i >> 16 & 0xff));
        buf.append(Integer.toHexString(i >> 8 & 0xff));
        buf.append(Integer.toHexString(i & 0xff));
    }

    /**
     * _記法をキャメル記法に変換します。
     * <p>
     * 次のように使います．
     * </p>
     *

    String INDEXER_LANGUAGE_FIELDS = "indexer.language.fields";

    /** The key of the configuration. e.g. 1000 */
    String INDEXER_LANGUAGE_DETECT_LENGTH = "indexer.language.detect.length";

    /** The key of the configuration. e.g. 10000 */
    String INDEXER_MAX_RESULT_WINDOW_SIZE = "indexer.max.result.window.size";

    /** The key of the configuration. e.g. 50000 */

     * @throws Exception
     */
    @Test
    public void testGet() throws Exception {
        final Field field = getClass().getField("objectField");
        final Integer testData = new Integer(123);
        FieldUtil.set(field, this, testData);
        assertThat((Integer) FieldUtil.get(field, this), is(testData));
    }

    /**
     * @throws Exception
     */
    @Test
    public void testGetIntField() throws Exception {

        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();

        final BeanDesc beanDesc = new BeanDescImpl(Integer.class);
        assertThat((Integer) beanDesc.newInstance(10), is(10));
        assertThat((Integer) beanDesc.newInstance("10"), is(10));
    }

    /**
     * @throws Exception
     */
    @Test
    public void testNewInstance2() throws Exception {
        final BeanDesc beanDesc = new BeanDescImpl(Integer.class);