}

    public static void decorateGroovyBean(bean) {
        Map values = [:]
        bean.metaClass.getDynamicGroovyProperty << {-> values.dynamicGroovyProperty }
        bean.metaClass.setDynamicGroovyProperty << {value -> values.dynamicGroovyProperty = value}
        bean.metaClass.dynamicGroovyMethod << {a, b -> "dynamicGroovy:$a.$b".toString() }
    }
}

        ExtensibleDynamicObjectTestHelper.decorateGroovyBean(bean);

        assertThat(((Bean) bean).getProperty("dynamicGroovyProperty"), equalTo(null));

        bean.setProperty("dynamicGroovyProperty", "new value");

        assertThat(((Bean) bean).getProperty("dynamicGroovyProperty"), equalTo((Object) "new value"));
    }

    @Test
    public void canGetButNotSetPropertiesOnJavaObjectFromGroovy() {