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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(
86          (LocationAwareLogger) factory.getLogger("x"));
87      oos.writeObject(log);
88      verify();
89    }
90  }