/*
    * Copyright 2002-2014 the original author or authors.
    *
    * Licensed under the Apache License, Version 2.0 (the "License");
    * you may not use this file except in compliance with the License.
    * You may obtain a copy of the License at
    *
    *      http://www.apache.org/licenses/LICENSE-2.0
    *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  package org.springframework.context.annotation;
  
  import org.junit.Test;
  
  import org.springframework.beans.factory.FactoryBean;
  import org.springframework.beans.factory.annotation.Autowired;
  import org.springframework.beans.factory.annotation.Value;
  import org.springframework.context.ApplicationContext;
  
  import static org.junit.Assert.*;
  
  /**
   * Test case cornering the bug initially raised with SPR-8762, in which a
   * NullPointerException would be raised if a FactoryBean-returning @Bean method also
   * accepts parameters
   *
   * @author Chris Beams
   * @since 3.1
   */
  public class ConfigurationWithFactoryBeanAndParametersTests {
  
  	@Test
  	public void test() {
  		ApplicationContext ctx = new AnnotationConfigApplicationContext(Config.class, Bar.class);
  		assertNotNull(ctx.getBean(Bar.class).foo);
  	}
  
  
  	@Configuration
  	static class Config {
  
  		@Bean
  		public FactoryBean<Foo> fb(@Value("42") String answer) {
  			return new FooFactoryBean();
  		}
  	}
  
  
  	static class Foo {
  	}
  
  
  	static class Bar {
  
  		Foo foo;
  
  		@Autowired
  		public Bar(Foo foo) {
  			this.foo = foo;
  		}
  	}
  
  
  	static class FooFactoryBean implements FactoryBean<Foo> {
  
  		@Override
  		public Foo getObject() {
  			return new Foo();
  		}
  
  		@Override
  		public Class<Foo> getObjectType() {
  			return Foo.class;
  		}
  
  		@Override
  		public boolean isSingleton() {
  			return true;
  		}
  	}
  
  }