/* * The MIT License (MIT) * * Copyright (c) 2014-2017 [email protected] * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. */ package com.github.pagehelper.test.basic; import com.github.pagehelper.Page; import com.github.pagehelper.PageHelper; import com.github.pagehelper.PageInfo; import com.github.pagehelper.mapper.UserMapper; import com.github.pagehelper.model.User; import com.github.pagehelper.util.MybatisHelper; import org.apache.ibatis.session.SqlSession; import org.junit.Test; import java.util.List; import static org.junit.Assert.assertEquals; public class OffsetTest { @Test public void testOffset() { SqlSession sqlSession = MybatisHelper.getSqlSession(); UserMapper userMapper = sqlSession.getMapper(UserMapper.class); try { PageHelper.startPage(1, 6); List<User> list = userMapper.selectAll(); assertEquals(6, list.size()); assertEquals(183, ((Page<?>) list).getTotal()); PageHelper.offsetPage(6, 20); list = userMapper.selectAll(); PageInfo<User> pageInfo = new PageInfo<User>(list); System.out.println(pageInfo.toString()); assertEquals(2, ((Page<?>) list).getPageNum()); assertEquals(20, list.size()); assertEquals(183, ((Page<?>) list).getTotal()); } finally { sqlSession.close(); } } @Test public void testPageNum() { SqlSession sqlSession = MybatisHelper.getSqlSession(); UserMapper userMapper = sqlSession.getMapper(UserMapper.class); try { PageHelper.offsetPage(5, 5); List<User> list = userMapper.selectAll(); assertEquals(2, ((Page<?>) list).getPageNum()); assertEquals(5, list.size()); assertEquals(183, ((Page<?>) list).getTotal()); PageHelper.offsetPage(15, 5); list = userMapper.selectAll(); assertEquals(4, ((Page<?>) list).getPageNum()); assertEquals(5, list.size()); assertEquals(183, ((Page<?>) list).getTotal()); } finally { sqlSession.close(); } } }