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      1 /**
      2  * Copyright (c) 2004-2011 QOS.ch
      3  * All rights reserved.
      4  *
      5  * Permission is hereby granted, free  of charge, to any person obtaining
      6  * a  copy  of this  software  and  associated  documentation files  (the
      7  * "Software"), to  deal in  the Software without  restriction, including
      8  * without limitation  the rights to  use, copy, modify,  merge, publish,
      9  * distribute,  sublicense, and/or sell  copies of  the Software,  and to
     10  * permit persons to whom the Software  is furnished to do so, subject to
     11  * the following conditions:
     12  *
     13  * The  above  copyright  notice  and  this permission  notice  shall  be
     14  * included in all copies or substantial portions of the Software.
     15  *
     16  * THE  SOFTWARE IS  PROVIDED  "AS  IS", WITHOUT  WARRANTY  OF ANY  KIND,
     17  * EXPRESS OR  IMPLIED, INCLUDING  BUT NOT LIMITED  TO THE  WARRANTIES OF
     18  * MERCHANTABILITY,    FITNESS    FOR    A   PARTICULAR    PURPOSE    AND
     19  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
     20  * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
     21  * OF CONTRACT, TORT OR OTHERWISE,  ARISING FROM, OUT OF OR IN CONNECTION
     22  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
     23  *
     24  */
     25 package org.apache.commons.logging.impl;
     26 
     27 import java.io.ByteArrayInputStream;
     28 import java.io.ByteArrayOutputStream;
     29 import java.io.IOException;
     30 import java.io.ObjectInputStream;
     31 import java.io.ObjectOutputStream;
     32 
     33 import junit.framework.TestCase;
     34 
     35 import org.apache.commons.logging.Log;
     36 import org.apache.commons.logging.LogFactory;
     37 import org.slf4j.impl.JDK14LoggerFactory;
     38 import org.slf4j.spi.LocationAwareLogger;
     39 
     40 public class SerializationTest extends TestCase {
     41 
     42     ObjectInputStream ois;
     43     ByteArrayOutputStream baos = new ByteArrayOutputStream();
     44     ObjectOutputStream oos;
     45 
     46     public SerializationTest(String name) {
     47         super(name);
     48     }
     49 
     50     protected void setUp() throws Exception {
     51         oos = new ObjectOutputStream(baos);
     52         super.setUp();
     53     }
     54 
     55     protected void tearDown() throws Exception {
     56         super.tearDown();
     57         oos.close();
     58     }
     59 
     60     public void verify() throws IOException, ClassNotFoundException {
     61         ByteArrayInputStream bis = new ByteArrayInputStream(baos.toByteArray());
     62         ois = new ObjectInputStream(bis);
     63 
     64         Log resuscitatedLog = (Log) ois.readObject();
     65         // tests that the "private transient Logger logger" field is non-null
     66         resuscitatedLog.debug("");
     67         resuscitatedLog.isDebugEnabled();
     68     }
     69 
     70     public void testSLF4JLog() throws Exception {
     71         JDK14LoggerFactory factory = new JDK14LoggerFactory();
     72         SLF4JLog log = new SLF4JLog(factory.getLogger("x"));
     73         oos.writeObject(log);
     74         verify();
     75     }
     76 
     77     public void testSmoke() throws Exception {
     78         Log log = LogFactory.getLog("testing");
     79         oos.writeObject(log);
     80         verify();
     81     }
     82 
     83     public void testLocationAware() throws Exception {
     84         JDK14LoggerFactory factory = new JDK14LoggerFactory();
     85         SLF4JLocationAwareLog log = new SLF4JLocationAwareLog((LocationAwareLogger) factory.getLogger("x"));
     86         oos.writeObject(log);
     87         verify();
     88     }
     89 }
     90