/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.apache.wicket.page.persistent.disk;
import org.apache.wicket.pageStore.PageWindowManager;
import org.apache.wicket.pageStore.PageWindowManager.PageWindow;
import org.junit.Assert;
import org.junit.Test;
/**
* @author Matej Knopp
*/
public class PageWindowManagerTest extends Assert
{
/**
*
*/
@Test
public void addRemove()
{
PageWindowManager manager = new PageWindowManager(300);
PageWindow window;
window = manager.createPageWindow(1, 50);
assertWindow(window, 1, 0, 50);
window = manager.createPageWindow(2, 40);
assertWindow(window, 2, 50, 40);
assertEquals(manager.getTotalSize(), 90);
window = manager.createPageWindow(2, 30);
assertWindow(window, 2, 50, 30);
assertEquals(manager.getTotalSize(), 80);
manager.removePage(2);
assertEquals(manager.getTotalSize(), 50);
window = manager.createPageWindow(3, 30);
assertWindow(window, 3, 50, 30);
assertEquals(manager.getTotalSize(), 80);
}
/**
*
*/
@Test
public void pageWindowCycle()
{
PageWindowManager manager = new PageWindowManager(100);
PageWindow window;
window = manager.createPageWindow(1, 30);
window = manager.createPageWindow(2, 30);
window = manager.createPageWindow(3, 30);
assertWindow(window, 3, 60, 30);
window = manager.createPageWindow(4, 30);
assertWindow(window, 4, 90, 30);
// should start at the beginging
window = manager.createPageWindow(5, 20);
assertWindow(window, 5, 0, 20);
assertNull(manager.getPageWindow(1));
window = manager.getPageWindow(2);
assertWindow(window, 2, 30, 30);
window = manager.createPageWindow(6, 10);
assertWindow(window, 6, 20, 10);
window = manager.getPageWindow(2);
assertWindow(window, 2, 30, 30);
window = manager.createPageWindow(6, 30);
assertWindow(window, 6, 20, 30);
assertNull(manager.getPageWindow(2));
assertNotNull(manager.getPageWindow(3));
window = manager.createPageWindow(6, 60);
assertWindow(window, 6, 20, 60);
assertNull(manager.getPageWindow(3));
window = manager.createPageWindow(7, 20);
assertWindow(window, 7, 80, 20);
assertNotNull(manager.getPageWindow(7));
// should start at the beginning again
window = manager.createPageWindow(8, 10);
assertWindow(window, 8, 0, 10);
assertNull(manager.getPageWindow(5));
assertNotNull(manager.getPageWindow(6));
window = manager.createPageWindow(9, 20);
assertWindow(window, 9, 10, 20);
assertNull(manager.getPageWindow(6));
assertNotNull(manager.getPageWindow(7));
window = manager.createPageWindow(10, 20);
assertWindow(window, 10, 30, 20);
assertNull(manager.getPageWindow(6));
assertNotNull(manager.getPageWindow(7));
// make sure when replacing a page that's not last the old "instance" is
// not valid anymore
manager.createPageWindow(8, 10);
window = manager.getPageWindow(8);
assertWindow(window, 8, 50, 10);
}
private void assertWindow(PageWindow window, int pageId, int filePartOffset, int filePartSize)
{
assertTrue(window.getPageId() == pageId && window.getFilePartOffset() == filePartOffset &&
window.getFilePartSize() == filePartSize);
}
}