* @throws Exception
     */
    @Test
    public void testBar() throws Exception {
        final BeanDesc beanDesc = new BeanDescImpl(MyBean.class);
        final MethodDesc bar = beanDesc.getMethodDesc("bar", String.class);
        assertThat(bar, is(notNullValue()));
        assertThat(bar.getBeanDesc(), is(sameInstance(beanDesc)));
        assertThat(bar.getMethod(), is(MyBean.class.getDeclaredMethod("bar", String.class)));

        final PropertyDesc propDesc = beanDesc.getPropertyDesc("URL");
        propDesc.setValue(myBean, "http://www.seasar.org");
        assertThat(myBean.getURL(), is(notNullValue()));
    }

    /**
     *
     */
    public void testConvertWithString() {
        final BeanDesc beanDesc = BeanDescFactory.getBeanDesc(MyDto.class);

     * アノテーションの要素の値を返します。
     *
     * @param beanDesc
     *            アノテーションを表す{@link BeanDesc}
     * @param annotation
     *            アノテーション
     * @param name
     *            要素の名前
     * @return アノテーションの要素の値
     */
    protected static Object getProperty(final BeanDesc beanDesc, final Annotation annotation, final String name) {
        final MethodDesc methodDesc = beanDesc.getMethodDescNoException(name);

    /**
     * インスタンスを構築します。
     *
     * @param beanDesc
     *            このメソッドを所有するクラスの{@link BeanDesc}。{@literal null}であってはいけません
     * @param constructor
     *            コンストラクタ。{@literal null}であってはいけません
     */
    public ConstructorDescImpl(final BeanDesc beanDesc, final Constructor<?> constructor) {
        assertArgumentNotNull("beanDesc", beanDesc);
        assertArgumentNotNull("constructor", constructor);

    @Test
    public void test1ArgConstructor() throws Exception {
        final BeanDesc beanDesc = new BeanDescImpl(MyBean.class);
        final ConstructorDesc ctor = beanDesc.getConstructorDesc(String.class);
        assertThat(ctor, is(notNullValue()));
        assertThat(ctor.getBeanDesc(), is(sameInstance(beanDesc)));
        assertThat(ctor.getConstructor(), is((Constructor) MyBean.class.getConstructor(String.class)));

     * インスタンスを構築します。
     *
     * @param beanDesc
     *            このメソッドを所有するクラスの{@link BeanDesc}。{@literal null}であってはいけません
     * @param method
     *            メソッド。{@literal null}であってはいけません
     */
    public MethodDescImpl(final BeanDesc beanDesc, final Method method) {
        assertArgumentNotNull("beanDesc", beanDesc);
        assertArgumentNotNull("method", method);

        this.beanDesc = beanDesc;
        this.method = method;

        protected T get() {
            return instance;
        }

        protected void destroy() {
            final BeanDesc beanDesc = BeanDescFactory.getBeanDesc(instance.getClass());
            for (final String methodName : beanDesc.getMethodNames()) {
                final MethodDesc methodDesc = beanDesc.getMethodDescNoException(methodName);
                if (methodDesc != null) {

     *            setterメソッド
     * @param beanDesc
     *            {@link BeanDesc}。{@literal null}であってはいけません
     */
    public PropertyDescImpl(final String propertyName, final Class<?> propertyType, final Method readMethod, final Method writeMethod,
            final BeanDesc beanDesc) {
        this(propertyName, propertyType, readMethod, writeMethod, null, beanDesc);
    }

    /**

    }

    /**
     * @throws Exception
     */
    @Test
    public void testClear() throws Exception {
        final BeanDesc beanDesc = BeanDescFactory.getBeanDesc(MyBean.class);
        BeanDescFactory.clear();
        assertThat(BeanDescFactory.getBeanDesc(MyBean.class), is(not(sameInstance(beanDesc))));
    }

    /**
     *
     */
    public static class MyBean {

        /**

        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);