public void testWrappedInstanceAccessors() { SpringBeanWrapper beanWrapper; Object object; beanWrapper = new SpringBeanWrapper(beanFactory.assignBeanWrapper(object = new Object())); assertEquals(object, beanWrapper.getWrappedInstance()); beanWrapper.setWrappedInstance(object = new Object()); assertEquals(object, beanWrapper.getWrappedInstance()); try { beanWrapper.setWrappedInstance(null); fail("Object is null"); } catch (IllegalArgumentException e) { } }