/*
* 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.markup.html.navigation.paging;
import org.junit.Before;
import org.junit.Test;
/**
* Testcase for the navigation increment link.
*
* @author Martijn Dashorst
*/
public class PagingNavigationIncrementLinkTest extends AbstractPagingNavigationTest
{
/** the mock pageable driver. */
private MockPageable mock;
/**
* sets up the test.
*
* @throws Exception
*/
@Before
public void before() throws Exception
{
mock = new MockPageable();
}
/**
* Performs the forward navigation by incrementing one page.
*/
@Test
public void getPageNumberPositive()
{
PagingNavigationIncrementLink<Void> link = new PagingNavigationIncrementLink<Void>("xx",
mock, 1);
assertEquals(0, link.getPageNumber());
pagecount = 1;
assertEquals(0, link.getPageNumber());
pagecount = 2;
assertEquals(1, link.getPageNumber());
currentpage = 1;
assertEquals(1, link.getPageNumber());
}
/**
* Performs the backward navigation by decrementing one page.
*/
@Test
public void getPageNumberNegative()
{
PagingNavigationIncrementLink<Void> link = new PagingNavigationIncrementLink<Void>("xx",
mock, -1);
assertEquals(0, link.getPageNumber());
pagecount = 1;
assertEquals(0, link.getPageNumber());
pagecount = 2;
assertEquals(0, link.getPageNumber());
currentpage = 1;
assertEquals(0, link.getPageNumber());
pagecount = 3;
currentpage = 2;
assertEquals(1, link.getPageNumber());
}
/**
* Performs the forward navigation by incrementing two pages.
*/
@Test
public void getPageNumberTwo()
{
PagingNavigationIncrementLink<Void> link = new PagingNavigationIncrementLink<Void>("xx",
mock, 2);
assertEquals(0, link.getPageNumber());
pagecount = 1;
assertEquals(0, link.getPageNumber());
pagecount = 2;
assertEquals(1, link.getPageNumber());
currentpage = 1;
assertEquals(1, link.getPageNumber());
currentpage = 0;
pagecount = 3;
assertEquals(2, link.getPageNumber());
currentpage = 1;
assertEquals(2, link.getPageNumber());
}
/**
* Checks the logic behind the isFirst and isLast page methods.
*/
@Test
public void isFirstLastPage()
{
PagingNavigationIncrementLink<Void> link = new PagingNavigationIncrementLink<Void>("xx",
mock, 0);
pagecount = 0;
currentpage = 0;
assertTrue(link.isFirst());
assertTrue(link.isLast());
pagecount = 1;
currentpage = 0;
assertTrue(link.isFirst());
assertTrue(link.isLast());
pagecount = 2;
currentpage = 0;
assertTrue(link.isFirst());
assertFalse(link.isLast());
pagecount = 3;
currentpage = 1;
assertFalse(link.isFirst());
assertFalse(link.isLast());
pagecount = 3;
currentpage = 2;
assertFalse(link.isFirst());
assertTrue(link.isLast());
}
}