public void testLazyInitFactoryBeanTargetSource() {
XmlBeanFactory bf = new XmlBeanFactory(new ClassPathResource("lazyInitFactoryBean.xml", getClass()));
bf.preInstantiateSingletons();
Set set1 = (Set) bf.getBean("proxy1");
assertFalse(bf.containsSingleton("target1"));
assertTrue(set1.contains("10"));
assertTrue(bf.containsSingleton("target1"));
Set set2 = (Set) bf.getBean("proxy2");
assertFalse(bf.containsSingleton("target2"));