    001/**
    002 * Copyright (c) 2004-2011 QOS.ch
    003 * All rights reserved.
    004 *
    005 * Permission is hereby granted, free  of charge, to any person obtaining
    006 * a  copy  of this  software  and  associated  documentation files  (the
    007 * "Software"), to  deal in  the Software without  restriction, including
    008 * without limitation  the rights to  use, copy, modify,  merge, publish,
    009 * distribute,  sublicense, and/or sell  copies of  the Software,  and to
    010 * permit persons to whom the Software  is furnished to do so, subject to
    011 * the following conditions:
    012 *
    013 * The  above  copyright  notice  and  this permission  notice  shall  be
    014 * included in all copies or substantial portions of the Software.
    015 *
    016 * THE  SOFTWARE IS  PROVIDED  "AS  IS", WITHOUT  WARRANTY  OF ANY  KIND,
    017 * EXPRESS OR  IMPLIED, INCLUDING  BUT NOT LIMITED  TO THE  WARRANTIES OF
    018 * MERCHANTABILITY,    FITNESS    FOR    A   PARTICULAR    PURPOSE    AND
    019 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
    020 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
    021 * OF CONTRACT, TORT OR OTHERWISE,  ARISING FROM, OUT OF OR IN CONNECTION
    022 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
    023 *
    024 */
    025package org.apache.commons.logging.impl;
    026
    027import java.io.ByteArrayInputStream;
    028import java.io.ByteArrayOutputStream;
    029import java.io.IOException;
    030import java.io.ObjectInputStream;
    031import java.io.ObjectOutputStream;
    032
    033import org.apache.commons.logging.Log;
    034import org.apache.commons.logging.LogFactory;
    035import org.junit.After;
    036import org.junit.Before;
    037import org.junit.Test;
    038import org.slf4j.impl.JDK14LoggerFactory;
    039import org.slf4j.spi.LocationAwareLogger;
    040
    041public class SerializationTest {
    042
    043    ObjectInputStream ois;
    044    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    045    ObjectOutputStream oos;
    046
    047    @Before
    048    public void setUp() throws Exception {
    049        oos = new ObjectOutputStream(baos);
    050    }
    051
    052    @After
    053    public void tearDown() throws Exception {
    054        oos.close();
    055    }
    056
    057    public void verify() throws IOException, ClassNotFoundException {
    058        ByteArrayInputStream bis = new ByteArrayInputStream(baos.toByteArray());
    059        ois = new ObjectInputStream(bis);
    060
    061        Log resuscitatedLog = (Log) ois.readObject();
    062        // tests that the "private transient Logger logger" field is non-null
    063        resuscitatedLog.debug("");
    064        resuscitatedLog.isDebugEnabled();
    065    }
    066
    067    @Test
    068    public void testSLF4JLog() throws Exception {
    069        JDK14LoggerFactory factory = new JDK14LoggerFactory();
    070        SLF4JLog log = new SLF4JLog(factory.getLogger("x"));
    071        oos.writeObject(log);
    072        verify();
    073    }
    074
    075    @Test
    076    public void testSmoke() throws Exception {
    077        Log log = LogFactory.getLog("testing");
    078        oos.writeObject(log);
    079        verify();
    080    }
    081
    082    @Test
    083    public void testLocationAware() throws Exception {
    084        JDK14LoggerFactory factory = new JDK14LoggerFactory();
    085        SLF4JLocationAwareLog log = new SLF4JLocationAwareLog((LocationAwareLogger) factory.getLogger("x"));
    086        oos.writeObject(log);
    087        verify();
    088    }
    089}