/*
* Copyright (C) 2009 eXo Platform SAS.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.exoplatform.commons.utils;
import junit.framework.AssertionFailedError;
import org.exoplatform.component.test.AbstractGateInTest;
import java.io.*;
import java.util.List;
/**
* @author <a href="mailto:julien.viet@exoplatform.com">Julien Viet</a>
* @version $Revision$
*/
public class TestPageListAccess extends AbstractGateInTest
{
private final String[] l = {"0", "1", "2", "3", "4", "5", "6"};
public void testPageList() throws Exception
{
StringPageListAccess pageList = new StringPageListAccess(3, l);
//
assertState1(pageList);
//
pageList = clone(pageList);
assertState1(pageList);
//
List<String> list = pageList.getPage(1);
assertListState1(list);
assertState1(pageList);
//
pageList = clone(pageList);
list = pageList.getPage(1);
assertListState1(list);
assertState1(pageList);
//
list = pageList.getPage(2);
assertListState2(list);
assertState2(pageList);
//
pageList = clone(pageList);
list = pageList.getPage(2);
assertListState2(list);
assertState2(pageList);
//
list = pageList.getPage(3);
assertListState3(list);
assertState3(pageList);
//
pageList = clone(pageList);
list = pageList.getPage(3);
assertListState3(list);
assertState3(pageList);
}
private void assertListState3(List<String> list)
{
assertNotNull(list);
assertEquals(1, list.size());
assertEquals("6", list.get(0));
}
private void assertState3(PageList<String> list)
{
assertEquals(6, list.getFrom());
assertEquals(7, list.getTo());
assertEquals(3, list.getCurrentPage());
assertEquals(3, list.getAvailablePage());
assertEquals(7, list.getAvailable());
}
private void assertState2(PageList<String> list)
{
assertEquals(3, list.getFrom());
assertEquals(6, list.getTo());
assertEquals(2, list.getCurrentPage());
assertEquals(3, list.getAvailablePage());
assertEquals(7, list.getAvailable());
}
private void assertListState2(List<String> s)
{
assertNotNull(s);
assertEquals(3, s.size());
assertEquals("3", s.get(0));
assertEquals("4", s.get(1));
assertEquals("5", s.get(2));
}
private void assertListState1(List<String> s)
{
assertNotNull(s);
assertEquals(3, s.size());
assertEquals("0", s.get(0));
assertEquals("1", s.get(1));
assertEquals("2", s.get(2));
}
private void assertState1(PageList<String> list)
{
assertEquals(0, list.getFrom());
assertEquals(3, list.getTo());
assertEquals(1, list.getCurrentPage());
assertEquals(3, list.getAvailablePage());
assertEquals(7, list.getAvailable());
}
private StringPageListAccess clone(StringPageListAccess pageList)
{
try
{
ByteArrayOutputStream baos = new ByteArrayOutputStream();
ObjectOutputStream oos = new ObjectOutputStream(baos);
oos.writeObject(pageList);
oos.close();
ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray());
ObjectInputStream ois = new ObjectInputStream(bais);
return (StringPageListAccess)ois.readObject();
}
catch (Exception e)
{
AssertionFailedError afe = new AssertionFailedError();
afe.initCause(e);
throw afe;
}
}
}