final MethodDesc foo = beanDesc.getMethodDesc("foo");
        assertThat(foo.getParameterTypes().length, is(0));
        assertThat(foo.isStatic(), is(not(true)));
        foo.invokeStatic();
    }

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

        JavaMethod nativeServicesGetInstance = JavaMethod.ofStatic(nativeServicesClass, nativeServicesClass, "getInstance")

        when:
        nativeServicesGetInstance.invokeStatic()

        then:
        def e = thrown(IllegalStateException)
        e.message == "Cannot get an instance of NativeServices without first calling initialize()."
    }

        return MethodUtil.invoke(method, target, args);
    }

    @Override
    public <T> T invokeStatic(final Object... args) {
        if (!isStatic()) {
            throw new MethodNotStaticRuntimeException(getBeanDesc().getBeanClass(), methodName);
        }
        return MethodUtil.invokeStatic(method, args);
    }

    /**
     * staticなメソッドを呼び出してその戻り値を返します。
     *
     * @param <T>
     *            メソッドの戻り値の型
     * @param args
     *            メソッドの引数
     * @return メソッドの戻り値
     */
    <T> T invokeStatic(Object... args);