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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 org.apache.commons.logging.Log;
    34  import org.apache.commons.logging.LogFactory;
    35  import org.junit.After;
    36  import org.junit.Before;
    37  import org.junit.Test;
    38  import org.slf4j.impl.JDK14LoggerFactory;
    39  import org.slf4j.spi.LocationAwareLogger;
    40
    41  public class SerializationTest {
    42
    43      ObjectInputStream ois;
    44      ByteArrayOutputStream baos = new ByteArrayOutputStream();
    45      ObjectOutputStream oos;
    46
    47      @Before
    48      public void setUp() throws Exception {
    49          oos = new ObjectOutputStream(baos);
    50      }
    51
    52      @After
    53      public void tearDown() throws Exception {
    54          oos.close();
    55      }
    56
    57      public void verify() throws IOException, ClassNotFoundException {
    58          ByteArrayInputStream bis = new ByteArrayInputStream(baos.toByteArray());
    59          ois = new ObjectInputStream(bis);
    60
    61          Log resuscitatedLog = (Log) ois.readObject();
    62          // tests that the "private transient Logger logger" field is non-null
    63          resuscitatedLog.debug("");
    64          resuscitatedLog.isDebugEnabled();
    65      }
    66
    67      @Test
    68      public void testSLF4JLog() throws Exception {
    69          JDK14LoggerFactory factory = new JDK14LoggerFactory();
    70          SLF4JLog log = new SLF4JLog(factory.getLogger("x"));
    71          oos.writeObject(log);
    72          verify();
    73      }
    74
    75      @Test
    76      public void testSmoke() throws Exception {
    77          Log log = LogFactory.getLog("testing");
    78          oos.writeObject(log);
    79          verify();
    80      }
    81
    82      @Test
    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  }