Spring Framework example source code file (CollectionsWithDefaultTypesTests.java)

This example Spring Framework source code file (CollectionsWithDefaultTypesTests.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Spring Framework tags/keywords

classpathresource, exception, exception, iterator, key, list, object, testbean, testbean, testcase, util, value, value, xmlbeanfactory, xmlbeanfactory

The Spring Framework CollectionsWithDefaultTypesTests.java source code

package org.springframework.beans.factory.xml;

import junit.framework.TestCase;
import org.springframework.core.io.ClassPathResource;
import org.springframework.beans.TestBean;

import java.util.List;
import java.util.Set;
import java.util.Iterator;
import java.util.Map;

/**
 * @author Rob Harrop
 */
public class CollectionsWithDefaultTypesTests extends TestCase {

	private XmlBeanFactory beanFactory;

	protected void setUp() throws Exception {
		this.beanFactory = new XmlBeanFactory(new ClassPathResource("collectionsWithDefaultTypes.xml", getClass()));
	}

	public void testListHasDefaultType() throws Exception {
		TestBean bean = (TestBean) this.beanFactory.getBean("testBean");
		List list = bean.getSomeList();
		for (int i = 0; i < list.size(); i++) {
			Object o = list.get(i);
			assertEquals("Value type is incorrect", Integer.class, o.getClass());
		}
	}

	public void testSetHasDefaultType() throws Exception {
		TestBean bean = (TestBean) this.beanFactory.getBean("testBean");
		Set set = bean.getSomeSet();
		Iterator iterator = set.iterator();
		while (iterator.hasNext()) {
			Object o =  iterator.next();
			assertEquals("Value type is incorrect", Integer.class, o.getClass());
		}
	}

	public void testMapHasDefaultKeyAndValueType() throws Exception {
		TestBean bean = (TestBean) this.beanFactory.getBean("testBean");
		assertMap(bean.getSomeMap());
	}

	public void testMapWithNestedElementsHasDefaultKeyAndValueType() throws Exception {
		TestBean bean = (TestBean) this.beanFactory.getBean("testBean2");
		assertMap(bean.getSomeMap());
	}

	private void assertMap(Map map) {
		for (Iterator iterator = map.entrySet().iterator(); iterator.hasNext();) {
			Map.Entry entry = (Map.Entry) iterator.next();
			assertEquals("Key type is incorrect", Integer.class, entry.getKey().getClass());
			assertEquals("Value type is incorrect", Boolean.class, entry.getValue().getClass());
		}
	}
}